Preface |
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xiii | |
Acknowledgements |
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xv | |
About the Authors |
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xvii | |
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1 Structural Analysis and Design |
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1 | (22) |
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1 | (1) |
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1 | (3) |
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1.3 Mathematical Modelling |
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4 | (5) |
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4 | (3) |
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7 | (1) |
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8 | (1) |
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9 | (2) |
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1.5 Statical Indeterminacy |
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11 | (7) |
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1.5.1 Indeterminacy of Two-Dimensional Pin-Jointed Frames |
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11 | (4) |
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1.5.2 Indeterminacy of Two-Dimensional Rigid-Jointed Frames |
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15 | (3) |
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1.6 Structural Degrees-of-Freedom |
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18 | (5) |
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1.6.1 Problems: Indeterminacy and Degrees-of-Freedom |
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21 | (1) |
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1.6.2 Solutions: Indeterminacy and Degrees-of-Freedom |
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22 | (1) |
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2 Material and Section Properties |
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23 | (39) |
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23 | (5) |
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2.1.1 Simple Stress and Strain |
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23 | (2) |
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2.1.2 Young's Modulus (Modulus of Elasticity) -- E |
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25 | (1) |
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2.1.3 Secant Modulus -- Es |
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25 | (1) |
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2.1.4 Tangent Modulus -- Et |
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25 | (1) |
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2.1.5 Shear Rigidity or Modulus (Modulus of Rigidity) -- G |
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26 | (1) |
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26 | (1) |
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2.1.7 Ultimate Tensile Strength |
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26 | (1) |
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2.1.8 Modulus of Rupture in Bending |
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26 | (1) |
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2.1.9 Modulus of Rupture in Torsion |
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26 | (1) |
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2.1.10 Poisson's Ratio -- υ |
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27 | (1) |
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2.1.11 Coefficient of Thermal Expansion -- α |
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27 | (1) |
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2.1.12 Elastic Assumptions |
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27 | (1) |
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2.2 Elastic Cross-Section Properties |
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28 | (23) |
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2.2.1 Cross-Sectional Area |
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28 | (4) |
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2.2.2 Centre of Gravity and Centroid |
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32 | (6) |
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2.2.3 Problems: Cross-Sectional Area and Position of Centroid |
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38 | (1) |
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2.2.4 Solutions: Cross-Sectional Area and Position of Centroid |
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39 | (1) |
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2.2.5 Elastic Neutral Axes |
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40 | (1) |
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2.2.6 Second Moment of Area -- I and Radius of Gyration -- i |
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41 | (1) |
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2.2.6.1 The Parallel Axis Theorem |
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41 | (2) |
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2.2.7 Elastic Section Modulus -- Wel |
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43 | (2) |
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3.2.8 Problems: Second Moments of Area and Elastic Section Moduli |
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45 | (1) |
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2.2.9 Solutions: Second Moments of Area and Elastic Section Moduli |
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45 | (6) |
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2.3 Plastic Cross-Section Properties |
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51 | (5) |
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2.3.1 Stress-Strain Relationships |
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51 | (1) |
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2.3.2 Plastic Neutral Axis |
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52 | (1) |
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2.3.3 Evaluation of Plastic Moment of Resistance and Plastic Section Modulus |
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53 | (1) |
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54 | (1) |
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2.3.5 Section Classification |
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54 | (1) |
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54 | (1) |
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55 | (1) |
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2.4 Example 2.1: Plastic Cross-Section Properties -- Section 1 |
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56 | (1) |
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2.5 Problems: Plastic Cross-Section Properties |
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57 | (1) |
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2.6 Solutions: Plastic Cross-Section Properties |
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58 | (4) |
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62 | (95) |
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62 | (1) |
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62 | (3) |
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3.2.1 Example 3.1: Pin-Jointed Truss |
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62 | (3) |
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3.3 Method of Joint Resolution |
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65 | (28) |
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3.3.1 Problems: Method of Sections and Joint Resolution |
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67 | (2) |
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3.3.2 Solutions: Method of Sections and Joint Resolution |
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69 | (24) |
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3.4 Method of Tension Coefficients |
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93 | (20) |
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3.4.1 Example 3.2: Two-Dimensional Plane Truss |
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94 | (1) |
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3.4.2 Example 3.3: Three-Dimensional Space Truss |
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95 | (3) |
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3.4.3 Problems: Method of Tension Coefficients |
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98 | (3) |
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3.4.4 Solutions: Method of Tension Coefficients |
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101 | (12) |
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3.5 Unit Load for Deflection |
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113 | (22) |
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3.5.1 Strain Energy (Axial Load Effects) |
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113 | (1) |
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3.5.2 Castigliano's 2nd Theorem |
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114 | (2) |
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3.5.3 Example 3.4: Deflection of a Pin-Jointed Truss |
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116 | (4) |
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3.5.3.1 Fabrication Errors -- Lack-of-Fit |
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120 | (1) |
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3.5.3.2 Changes in Temperature |
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120 | (1) |
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3.5.4 Example 3.5: Lack-of-Fit and Temperature Difference |
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120 | (2) |
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3.5.5 Problems: Unit Load Method for Deflection of Pin-Jointed Frames |
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122 | (1) |
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3.5.6 Solutions: Unit Load Method for Deflection of Pin-Jointed Frames |
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123 | (12) |
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3.6 Unit Load Method for Singly Redundant Pin-Jointed Frames |
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135 | (22) |
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3.6.1 Example 3.6: Singly Redundant Pin-Jointed Frame 1 |
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135 | (2) |
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3.6.2 Example 3.7: Singly Redundant Pin-Jointed Frame 2 |
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137 | (3) |
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3.6.3 Problems: Unit Load for Singly Redundant Pin-Jointed Frames |
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140 | (1) |
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3.6.4 Solutions: Unit Load for Singly Redundant Pin-Jointed Frames |
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141 | (16) |
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157 | (161) |
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4.1 Statically Determinate Beams |
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157 | (26) |
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4.1.1 Example 4.1: Beam with Point Loads |
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157 | (2) |
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4.1.2 Shear Force Diagrams |
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159 | (4) |
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4.1.3 Bending Moment Diagrams |
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163 | (4) |
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4.1.4 Example 4.2: Beam with a Uniformly Distributed Load (UDL) |
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167 | (2) |
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4.1.5 Example 4.3: Cantilever Beam |
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169 | (1) |
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4.1.6 Problems: Statically Determinate Beams -- Shear Force and Bending Moment |
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170 | (3) |
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4.1.7 Solutions: Statically Determinate Beams -- Shear Force and Bending Moment |
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173 | (10) |
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4.2 McCaulay's Method for the Deflection of Beams |
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183 | (6) |
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4.2.1 Example 4.4: Beam with Point Loads |
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184 | (2) |
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4.2.2 Example 4.5: Beam with Combined Point Loads and UDLs |
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186 | (3) |
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4.3 Equivalent Uniformly Distributed Load Method for the Deflection of Beams |
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189 | (13) |
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4.3.1 Problems: McCaulay's and Equivalent UDL Methods for Deflection of Beams |
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191 | (1) |
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4.3.2 Solutions: McCaulay's and Equivalent UDL Methods for Deflection of Beams |
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192 | (10) |
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4.4 The Principle of Superposition |
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202 | (6) |
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4.4.1 Example 4.6: Superposition -- Beam 1 |
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203 | (1) |
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4.4.2 Example 4.7: Superposition -- Beam 2 |
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204 | (1) |
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4.4.3 Example 4.8: Superposition -- Beam 3 |
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205 | (1) |
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4.4.4 Example 4.9: Superposition -- Beam 4 |
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206 | (1) |
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4.4.5 Example 4.10: Superposition -- Beam 5 |
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207 | (1) |
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4.5 Unit Load for Deflection of Beams |
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208 | (44) |
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4.5.1 Strain Energy (Bending Load Effects) |
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208 | (3) |
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4.5.2 Example 4.11: Deflection and Slope of a Uniform Cantilever |
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211 | (1) |
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4.5.3 Example 4.12: Deflection and Slope of a Non-Uniform Cantilever |
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212 | (2) |
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4.5.4 Example 4.13: Deflection and Slope of a Linearly Varying Cantilever |
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214 | (2) |
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4.5.5 Example 4.14: Deflection of a Non-Uniform Simply-Supported Beam |
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216 | (2) |
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4.5.6 Example 4.15: Deflection of a Frame and Beam Structure |
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218 | (3) |
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4.5.7 Example 4.16: Deflection of a Uniform Cantilever Using Coefficients |
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221 | (1) |
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4.5.8 Problems: Unit Load Method for Deflection of Beams and Frames |
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222 | (3) |
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4.5.9 Solutions: Unit Load Method for Deflection of Beams and Frames |
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225 | (27) |
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4.6 Statically Indeterminate Beams |
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252 | (17) |
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4.6.1 Unit Load Method for Singly Redundant Beams |
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253 | (1) |
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4.6.2 Example 4.17: Singly Redundant Beam 1 |
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253 | (2) |
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4.6.3 Example 4.18: Singly Redundant Beam 2 |
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255 | (3) |
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4.6.4 Problems: Unit Load Method for Singly Redundant Beams |
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258 | (1) |
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4.6.5 Solutions: Unit Load Method for Singly Redundant Beams |
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259 | (10) |
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4.7 Moment Distribution Method for Multi-Redundant Beams |
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269 | (45) |
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4.7.1 Bending (Rotational) Stiffness |
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269 | (1) |
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270 | (1) |
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270 | (1) |
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4.7.4 Free and Fixed Bending Moments |
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271 | (1) |
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4.7.5 Example 4.19: Single-Span Encastre Beam |
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272 | (2) |
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4.7.6 Propped Cantilevers |
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274 | (1) |
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4.7.7 Example 4.20: Propped Cantilever |
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275 | (3) |
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4.7.8 Distribution Factors |
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278 | (1) |
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4.7.9 Application of the Method |
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279 | (1) |
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4.7.10 Example 4.21: Three-Span Continuous Beam |
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280 | (9) |
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4.7.11 Problems: Moment Distribution -- Continuous Beams |
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289 | (1) |
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4.7.12 Solutions: Moment Distribution -- Continuous Beams |
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290 | (24) |
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4.8 Redistribution of Moments |
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314 | (3) |
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4.8.1 Example 4.22: Redistribution of Moments in a Two-Span Beam |
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314 | (3) |
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4.9 Shear Force and Bending Moment Envelopes |
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317 | (1) |
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318 | (144) |
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318 | (24) |
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5.1.1 Example 5.1: Statically Determinate Rigid-Jointed Frame 1 |
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319 | (4) |
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5.1.2 Example 5.2: Statically Determinate Rigid-Jointed Frame 2 |
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323 | (5) |
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5.1.3 Problems: Statically Determinate Rigid-Jointed Frames |
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328 | (2) |
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5.1.4 Solutions: Statically Determinate Rigid-Jointed Frames |
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330 | (12) |
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5.2 Unit Load Method for Singly Redundant Rigid-Jointed Frames |
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342 | (26) |
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5.2.1 Example 5.3: Singly Redundant Rigid-Jointed Frame |
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344 | (6) |
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5.2.2 Problems: Unit Load Method for Singly Redundant Rigid-Jointed Frames |
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350 | (2) |
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5.2.3 Solutions: Unit Load Method for Singly Redundant Rigid-Jointed Frames |
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352 | (16) |
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5.3 Moment Distribution for No-Sway Rigid-Jointed Frames |
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368 | (47) |
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5.3.1 Example 5.4: No-Sway Rigid-Jointed Frame 1 |
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370 | (6) |
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5.3.2 Problems: Moment Distribution -- No-Sway Rigid-Jointed Frames |
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376 | (2) |
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5.3.3 Solutions: Moment Distribution -- No-Sway Rigid-Jointed Frames |
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378 | (37) |
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5.4 Moment Distribution for Rigid-Jointed Frames with Sway |
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415 | (47) |
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5.4.1 Example 5.5: Rigid-Jointed Frame with Sway -- Frame 1 |
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417 | (10) |
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5.4.2 Problems: Moment Distribution -- Rigid-Jointed Frames with Sway |
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427 | (2) |
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5.4.3 Solutions: Moment Distribution -- Rigid-Jointed Frames with Sway |
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429 | (33) |
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462 | (54) |
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462 | (7) |
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462 | (2) |
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464 | (1) |
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465 | (1) |
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466 | (1) |
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466 | (1) |
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6.1.1.5 Section Classification |
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466 | (1) |
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467 | (1) |
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467 | (1) |
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468 | (1) |
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6.1.2.3 Intermediate Elements |
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468 | (1) |
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469 | (1) |
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6.2.1 Effect on Short Elements |
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470 | (1) |
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6.2.2 Effect on Slender Elements |
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470 | (1) |
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6.2.3 Effect on Intermediate Elements |
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470 | (1) |
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6.3 Critical Stress (σcr) |
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470 | (6) |
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6.3.1 Critical Stress for Short Columns |
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471 | (1) |
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6.3.2 Critical Stress for Slender Columns |
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471 | (1) |
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471 | (2) |
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6.3.4 Effective Buckling Length (LE) |
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473 | (2) |
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6.3.5 Critical Stress for Intermediate Columns |
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475 | (1) |
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6.3.6 Tangent Modulus Theorem |
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475 | (1) |
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6.4 Perry-Robertson Formula |
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476 | (3) |
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6.5 European Column Curves |
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479 | (8) |
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6.5.1 Non-dimensional Slenderness |
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480 | (7) |
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6.6 Example 6.1: Slenderness |
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487 | (1) |
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6.7 Example 6.2: Rolled Universal Column Section |
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487 | (3) |
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6.8 Example 6.3: Compound Column Section |
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490 | (2) |
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6.9 Built-Up Compression Members |
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492 | (4) |
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6.9.1 Shear Stiffness for Laced Columns |
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494 | (2) |
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6.10 Example 6.4: Laced Built-Up Column |
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496 | (5) |
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6.11 Problems: Buckling Instability |
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501 | (3) |
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6.12 Solutions: Buckling Instability |
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504 | (12) |
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7 Direct Stiffness Method |
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516 | (107) |
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7.1 Direct Stiffness Method of Analysis |
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516 | (1) |
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7.2 Element Stiffness Matrix [ k] |
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516 | (9) |
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7.2.1 Beam Elements with Two Degrees-of-Freedom |
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517 | (1) |
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7.2.2 Beam Elements with Four Degrees-of-Freedom |
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518 | (5) |
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7.2.3 Local Co-Ordinate System |
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523 | (1) |
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7.2.4 Beams Elements with Six Degrees-of-Freedom |
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523 | (2) |
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7.3 Structural Stiffness Matrix [ K] |
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525 | (3) |
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7.4 Structural Load Vector [ P] |
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528 | (2) |
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7.5 Structural Displacement Vector [ Δ] |
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530 | (1) |
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7.6 Element Displacement Vector [ δl] |
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530 | (1) |
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7.7 Element Force Vector [ F]Total |
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531 | (1) |
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7.8 Example 7.1: Two-Span Beam |
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531 | (6) |
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7.9 Example 7.2: Rigid-Jointed Frame 1 |
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537 | (9) |
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7.10 Transformation Matrices |
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546 | (4) |
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7.11 Example 7.3: Rigid-Jointed Frame 2 |
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550 | (14) |
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7.12 Example 7.4: Pin-Jointed Frame |
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564 | (8) |
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7.13 Problems: Direct Stiffness Method |
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572 | (2) |
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7.14 Solutions: Direct Stiffness Method |
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574 | (49) |
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623 | (133) |
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623 | (2) |
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624 | (1) |
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8.1.2 Conditions for Full Collapse |
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624 | (1) |
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8.2 Static Method for Continuous Beams |
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625 | (3) |
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8.2.1 Example 8.1: Encastre Beam |
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625 | (1) |
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8.2.2 Example 8.2: Propped Cantilever 1 |
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626 | (1) |
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8.2.3 Example 8.3: Propped Cantilever 2 |
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627 | (1) |
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8.3 Kinematic Method for Continuous Beams |
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628 | (7) |
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8.3.1 Example 8.4: Continuous Beam |
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631 | (4) |
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8.4 Problems: Plastic Analysis -- Continuous Beams |
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635 | (1) |
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8.5 Solutions: Plastic Analysis -- Continuous Beams |
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636 | (18) |
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654 | (7) |
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8.6.1 Example 8.5: Frame 1 |
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654 | (7) |
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8.7 Problems: Plastic Analysis -- Rigid-Jointed Frames 1 |
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661 | (1) |
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8.8 Solutions: Plastic Analysis -- Rigid-Jointed Frames 1 |
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662 | (17) |
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8.9 Example 8.6: Joint Mechanism |
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679 | (4) |
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8.10 Problems: Plastic Analysis -- Rigid-Jointed Frames 2 |
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683 | (2) |
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8.11 Solutions: Plastic Analysis -- Rigid-Jointed Frames 2 |
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685 | (31) |
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716 | (1) |
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8.13 Instantaneous Centre of Rotation |
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717 | (1) |
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8.14 Example 8.7: Pitched Roof Frame |
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718 | (4) |
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8.15 Problems: Plastic Analysis -- Rigid-Jointed Frames 3 |
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722 | (2) |
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8.16 Solutions: Plastic Analysis -- Rigid-Jointed Frames 3 |
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724 | (32) |
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9 Influence Lines for Beams, Pin-Jointed Trusses and Lattice Girders |
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756 | (50) |
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756 | (1) |
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9.2 Example 9.1: Influence Lines for a Simply Supported Beam |
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757 | (6) |
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9.2.1 Influence Lines for the Support Reactions |
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757 | (1) |
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9.2.2 Influence Line for the Shear Force at Point B |
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758 | (2) |
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9.2.3 Influence Line for the Bending Moment at Point B |
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760 | (3) |
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9.3 Muller-Breslau Principle for the Influence Lines for Beams |
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763 | (1) |
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9.4 Example 9.2: Influence Lines for a Statically Determinate Beam |
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763 | (2) |
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9.5 Example 9.3: Influence Line for a Statically Indeterminate Beam |
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765 | (2) |
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9.6 The Use of Influence Lines |
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767 | (4) |
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767 | (1) |
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767 | (1) |
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9.6.3 Example 9.4: Evaluation of Functions for Statically Determinate Beam 1 |
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768 | (1) |
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9.6.4 Example 9.5: Evaluation of Functions for Statically Determinate Beam 2 |
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769 | (2) |
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9.7 Example 9.6: Evaluation of Functions for a Statically Indeterminate Beam |
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771 | (3) |
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774 | (4) |
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9.8.1 Example 9.7: Evaluation of Functions for a Train of Loads |
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775 | (3) |
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9.9 Influence Lines for Pin-Jointed Trusses and Lattice Girders |
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778 | (6) |
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9.9.1 Example 9.8: Lattice Girder |
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779 | (5) |
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9.10 Problems: Influence Lines for Beams, Pin-Jointed Trusses and Lattice Girders |
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784 | (3) |
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9.11 Solutions: Influence Lines for Beams, Pin-Jointed Trusses and Lattice Girders |
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787 | (19) |
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10 Approximate Methods of Analysis |
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806 | (37) |
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806 | (1) |
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10.2 Example 10.1: Statically Indeterminate Pin-Jointed Plane Frame 1 |
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806 | (4) |
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10.3 Example 10.2: Statically Indeterminate Pin-Jointed Plane Frame 2 |
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810 | (2) |
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10.4 Example 10.3: Statically Indeterminate Single-Span Beam |
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812 | (2) |
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10.5 Example 10.4: Multi-Span Beam |
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814 | (2) |
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10.6 Rigid-Jointed Frames Subjected to Vertical Loads |
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816 | (11) |
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10.6.1 Example 10.5: Multi-Storey Rigid-Jointed Frame 1 |
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816 | (6) |
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10.6.2 Approximate Analysis of Multi-Storey Rigid-Jointed Frames Using Sub-Frames |
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822 | (1) |
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10.6.2.1 Simplification into Sub-Frames |
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822 | (1) |
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10.6.2.2 Alternative Simplification for Individual Beams and Associated Columns |
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823 | (1) |
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10.6.2.3 `Continuous Beam' Simplification |
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823 | (1) |
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10.6.2.4 Asymmetrically Loaded Columns |
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|
823 | (1) |
|
10.6.3 Simple Portal Frames with Pinned Bases Subjected to Horizontal Loads |
|
|
824 | (1) |
|
10.6.3.1 Example 10.6: Simple Rectangular Portal Frame -- Pinned Bases |
|
|
824 | (1) |
|
10.6.4 Simple Portal Frames with Fixed Bases Subjected to Horizontal Loads |
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|
825 | (1) |
|
10.6.4.1 Example 10.7: Simple Rectangular Portal Frame -- Fixed Bases |
|
|
826 | (1) |
|
10.7 Multi-Storey Rigid-Jointed Frames Subjected to Horizontal Loads |
|
|
827 | (16) |
|
|
827 | (1) |
|
10.7.1.1 Example 10.8: Multi-Storey Rigid-Jointed Frame 2 |
|
|
828 | (8) |
|
10.7.1.2 Approximate Analysis of Vierendeel Trusses Using the Portal Method |
|
|
836 | (1) |
|
10.7.1.3 Example 10.9: Vierendeel Truss |
|
|
837 | (3) |
|
|
840 | (1) |
|
10.7.2.1 Example 10.10: Multi-Storey Rigid-Jointed Frame 3 |
|
|
841 | (2) |
|
|
843 | (85) |
|
11.1 Introduction to Cables |
|
|
843 | (1) |
|
|
843 | (1) |
|
11.3 Cables Subjected to Concentrated Loads |
|
|
843 | (2) |
|
11.4 Example 11.1: Cable Subjected to Concentrated Loads |
|
|
845 | (2) |
|
11.5 Example 11.2: Cable Subjected to Concentrated Loads with Uneven Supports |
|
|
847 | (3) |
|
11.6 Problems: Cables Subjected to Concentrated Loads |
|
|
850 | (2) |
|
11.7 Solutions: Cables Subjected to Concentrated Loads |
|
|
852 | (8) |
|
11.8 Cables Subjected to Uniformly Distributed Loads |
|
|
860 | (2) |
|
11.9 Example 11.3: Cable Subjected to Uniformly Distributed Load |
|
|
862 | (2) |
|
11.10 Example 11.4: Cable Subjected to UDL from the Simply Supported Beam |
|
|
864 | (3) |
|
11.11 Problems: Cables Subjected to Uniformly Distributed Loads |
|
|
867 | (5) |
|
11.12 Solutions: Cables Subjected to Uniformly Distributed Loads |
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|
872 | (14) |
|
11.13 Introduction to Arches |
|
|
886 | (2) |
|
11.14 Example 11.5: Three-Pinned Segmental Arch |
|
|
888 | (4) |
|
11.15 Example 11.6: Two-Pinned Parabolic Arch |
|
|
892 | (5) |
|
11.16 Example 11.7: Two-Pinned Semi-Circular Arch |
|
|
897 | (6) |
|
|
903 | (3) |
|
|
906 | (22) |
Appendix 1 Elastic Section Properties of Geometric Figures |
|
928 | (5) |
Appendix 2 Beam Reactions, Bending Moments and Deflections |
|
933 | (7) |
Appendix 3 Matrix Algebra |
|
940 | (4) |
Index |
|
944 | |