Acknowledgements |
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xi | |
Foreword |
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xvii | |
Preface |
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xix | |
Introduction |
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xxiii | |
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Strength, in Particular Rock Strength: Concepts, Definitions and Experimental Techniques |
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1 | (91) |
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Rock as a Mechanical Mixture of Phases: A Composite with History |
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1 | (2) |
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Properties of Mechanical Mixtures: Composition and Construction |
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3 | (54) |
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The Essential Distributions of Solid, Crystalline Particles in Space |
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31 | (5) |
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Porosity and Its Determination as well as Some Remarks on Pore Shapes |
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36 | (9) |
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Intergranular Materials (Cements) |
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45 | (7) |
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Strength and Notch Systems at the Sample Surface |
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52 | (5) |
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The Physical Definition of Strength: A General Measuring Instruction |
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57 | (23) |
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Experimental Methods for the Determination of Strength of Rock |
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60 | (1) |
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60 | (10) |
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A Comparison of Tensile Strength Values of Rocks Determined by Point Load and Direct Tension Tests |
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70 | (10) |
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Physico-Chemical Reactions, Suitable for a Selective Destruction of Rock Structure |
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80 | (12) |
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83 | (1) |
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The Formation of Changed Surface Structures During Weathering Reactions |
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84 | (8) |
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Physico-Chemical Elements of the Strength of Pure Phases with Ionic Linkage |
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92 | (73) |
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Force- and Energy-Distance Functions |
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96 | (28) |
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96 | (5) |
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101 | (7) |
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Force-elongation Curves for Uniform and Composed Chains |
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108 | (9) |
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Estimate of the Theoretical Strength |
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117 | (3) |
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120 | (4) |
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124 | (3) |
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Strength According to Orowan's and Griffith's Considerations |
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127 | (6) |
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The Order of Magnitude of Thermal Surface Stresses for a Central Symmetric Phase Arrangement |
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133 | (3) |
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Surface- and Interfacial-Energy |
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136 | (13) |
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Overview of the Problems of Strength in Relation to Different Bondings in Materials |
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149 | (16) |
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Strengthening of Grain Packings by Intermolecular Forces |
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165 | (19) |
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Surface Tension of Liquid Water in Selected, Simple Systems |
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167 | (7) |
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The Stresses Resulting from Wetting a Solid by a Liquid |
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170 | (1) |
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Effect of Adhesion Tension in Selected, Simple Systems |
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171 | (3) |
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Water Strengthened Grain Packings |
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174 | (10) |
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The Behaviour of Sandstone Samples under Water; Weathering Processes |
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184 | (36) |
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Definitions and Conventions |
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185 | (4) |
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Sign Conventions for Forces |
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185 | (1) |
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186 | (1) |
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System and System Changes |
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186 | (3) |
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Direct Observations and Photographic Registration of the Bunter Sandstone/Water System |
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189 | (31) |
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Averaged Reaction Temperature and Weathering Regime on the Surface of the Earth |
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191 | (2) |
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Results of Direct Observation by Photographic Registration |
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193 | (5) |
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Inorganic-chemical Brutto Analysis (EDX) of the Mechanically Distinguishable Phases |
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198 | (4) |
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Preliminary Remarks on the Morphology of the Suspended Phases |
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202 | (5) |
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Substances and Products of Lateritic Weathering Set Free when Immersing Bunter Sandstone Samples in Water |
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207 | (3) |
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Observations on Volume Changes of Bunter Sandstone Samples when Ageing in Water |
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210 | (8) |
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218 | (2) |
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Conclusions from the Ageing Experiments of Bunter Sandstone in Water and the Distribution of Substances and Forces in Samples |
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220 | (26) |
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Models for the Material and Pore Distribution in Bunter Sandstone |
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220 | (24) |
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Experimental Pore Diameter Distribution Function |
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224 | (1) |
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Diameters of Colloidal Sediments from Suspensions of Landslide Masses of Murlenbach, Eifel (1989) |
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225 | (2) |
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Diameters of the Colloidal Suspension Load of Rivers |
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227 | (1) |
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Contact Bridges and Their Load Bearing Cross Section |
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228 | (5) |
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Local and Time Dependent Influences, which Can Affect the Carrying Cross Section of Sandstone Samples |
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233 | (11) |
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Summarising Remarks in View to the Results of the Ageing Experiments |
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244 | (2) |
References |
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246 | (15) |
Index |
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261 | |