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Issues and Discussion of Modern Concrete Science 2015 ed. [Kõva köide]

  • Formaat: Hardback, 279 pages, kõrgus x laius: 235x155 mm, kaal: 608 g, 116 black & white illustrations, biography
  • Ilmumisaeg: 11-Nov-2014
  • Kirjastus: Springer-Verlag Berlin and Heidelberg GmbH & Co. K
  • ISBN-10: 3662445662
  • ISBN-13: 9783662445662
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Issues and Discussion of Modern Concrete Science 2015 ed.Suurem pilt
  • Formaat: Hardback, 279 pages, kõrgus x laius: 235x155 mm, kaal: 608 g, 116 black & white illustrations, biography
  • Ilmumisaeg: 11-Nov-2014
  • Kirjastus: Springer-Verlag Berlin and Heidelberg GmbH & Co. K
  • ISBN-10: 3662445662
  • ISBN-13: 9783662445662
Teised raamatud teemal:
Püsilink: https://www.kriso.ee/db/9783662445662.html
Märksõnad:
This book is devoted to two primary objectives. The first is to present the errors, inadaptability, and mistakes arising when the current theory on concrete is applied to explaining practical construction of concrete; the second is to put forward viewpoints in modern concrete science.Taking a number of engineering cases as examples, we experimentally studied and theoretically analyzed the errors, inadaptability, and mistakes when the current theory on concrete is applied to explaining practical construction of concrete. Moreover, we investigated the use of mixing ratios, aggregates, cement, high-performance concrete and fibers, as well as the frost resistance, cracking behavior, durability, dry shrinkage and autogenous healing to address and remedy the shortcomings in today s concrete science, put forward new proposals, and make a number of innovative achievements in the field, particularly in modern theory on concrete science. The results and topics which will be of particular i

nterest to engineers and researchers include: corrections to several one-sided, even mistaken views on concrete construction in the field and a new theory that can be adopted to improve the durability of concrete projects, to control and improve the implementation quality of concrete projects, and to guide teaching in universities. Wenke Yang is a distinguished senior engineer at China Airport Construction Group Corporation, General Administration of Civil Aviation of China (CAAC).

Sole of Concrete Mix Proportion.- Important Raw Material Coarse Aggregate.- Core Raw Material Cement.- Alkali-aggregate Reaction, Where Are You .- Is air-entraining agent a panacea for solving frost resistance problem .- Breeding and False Setting, Which Is Better .- Fiber, When Is Useful .- Cancer of Modern Concrete Cracks.- Fly Ash, Really Only Advantages .- Additives All medicines have their own side-effects.- Fatal Factor for Durability Drying Shrinkage.- Doctor of Concrete Self-curing.- High Performance Concrete, Really High Performance .- Where Is the Correct Idea for Durability Research .- Scientific Foundation of Modern Concrete.- Summary report of Experimental study on dehydration cracks appearing in the construction of Turpan civil airport cement concrete pavement.
1 Sole of Concrete---Mix Proportion
1(24)
1.1 Theoretical Foundation for Past Mix Proportion
2(5)
1.1.1 Specific Surface Area Method
2(2)
1.1.2 Maximum Density Method
4(1)
1.1.3 Weymouth Grap Grading Method
5(2)
1.2 Inadaptability Between Old Mix Proportion and Modern Concrete
7(4)
1.3 Reasons and Puzzles
11(2)
1.4 Thinking About Establishing the Modern Concrete Mix Proportion Theory
13(12)
A.1 Others
19(1)
A.1.1 Different Opinions
19(4)
References
23(2)
2 Important Raw Material---Coarse Aggregate
25(10)
2.1 Aggregate Varieties and Causes Overview
25(5)
2.2 Effects of Different Rock Aggregate on Performance of Concrete
30(2)
2.2.1 Effects on Strength
30(2)
2.2.2 Effects of Rock Mechanical Property on Other Performances of Concrete
32(1)
2.3 Two Different Opinions
32(3)
2.3.1 Different Opinions About Rock Strength Requirement in Specification
32(1)
2.3.2 Utilization of Gravel
33(1)
References
34(1)
3 Core Raw Material---Cement
35(12)
3.1 Effects of Cement Property Indexes on Concrete Performance
35(4)
3.2 Overview of Cement Production Process
39(1)
3.3 Effect of Modern Cement Production Process on Quality of Concrete
40(3)
3.4 Where Is the Correct Direction of Cement Production Technology?
43(2)
3.5 Ending Words
45(2)
References
45(2)
4 Alkali-Aggregate Reaction, Where Are You?
47(6)
References
52(1)
5 Is Air-Entraining Agent a Panacea for Solving Frost Resistance Problem?
53(16)
5.1 Freeze--Thaw Damage on Engineering
53(3)
5.2 World-Recognized Measure for Enhancing Frost Resistance---Adding Air-Entraining Agent
56(3)
5.3 Overview of Freeze--Thaw Damage Theory
59(1)
5.4 Research on Method and Measure for Enhancing Frost Resistance of Practical Engineering
60(2)
5.5 What is the Correct Using Method and Range of Air-Entraining Agent (AEA)
62(5)
5.6 Ending Words
67(2)
References
68(1)
6 Breeding and False Setting, Which Is Better?
69(16)
6.1 Reasons for Breeding
70(6)
6.2 Reasons for False Setting
76(5)
6.3 Detriment of Breeding and False Setting
81(1)
6.4 Prevention Method for Breeding and False Setting
82(3)
References
83(2)
7 Fiber, When Is Useful?
85(8)
7.1 Fate and Experience with Fiber-Reinforced Concrete
85(1)
7.2 Experimental Method and Conclusion
86(3)
7.3 Reason Analyzing
89(2)
7.4 Ending Words
91(2)
References
91(2)
8 Cancer of Modern Concrete---Cracks
93(16)
8.1 General Remarks
93(3)
8.2 Cause Analysis
96(5)
8.2.1 Fine Questions Which Field Engineers Are Unable to Solve
96(2)
8.2.2 Seven Problems Which Field Engineers Are Different to Solve
98(1)
8.2.3 Eleven Problems Which Field Engineers Can Solve
99(2)
8.3 Category of Cracks
101(3)
8.3.1 Dehydration Cracks
101(1)
8.3.2 Temperature Crack
101(1)
8.3.3 Drying Shrinkage Crack
102(1)
8.3.4 Stress Cracks
102(2)
8.4 Cause, Detriment, and Prevention of Dehydration Crack
104(5)
8.4.1 Cause for Dehydration Crack
105(1)
8.4.2 Harmfulness of Dehydration Crack
105(1)
8.4.3 Prevention and Cure for Dehydration Crack
106(1)
References
107(2)
9 Fly Ash, Really Only Advantages?
109(14)
9.1 Problems Unsolved in the Utilization of Fly Ash
109(2)
9.1.1 Problems Unsolved Theoretically
109(1)
9.1.2 Unsolved Technological Problems in Engineering
110(1)
9.2 Several Practical Projects
111(10)
9.2.1 The Concrete Surface of a Parking Apron in South China
111(3)
9.2.2 The Concrete Surface of a Parking Apron in North China
114(1)
9.2.3 Universal Harmless Cracks Phenomena in the Construction of Airport
115(1)
9.2.4 The Floorslab of Terminal Buildings in an Airport in North China
115(2)
9.2.5 Floor in a Plant in Southwest China
117(2)
9.2.6 Other Cases
119(2)
9.3 Summary
121(2)
References
122(1)
10 Admixtures: All Medicines Have Their Own Side Effects
123(10)
10.1 Understanding on Negative Effects of Several Main Chemical Admixtures of the Author
123(3)
10.1.1 Water Reducer
123(1)
10.1.2 Air-Entraining Agent
124(1)
10.1.3 Expansive Agent
125(1)
10.1.4 Early-Strength Agent
125(1)
10.2 Serious Quality Accident Cause by Improper Chemical Admixture Dosage
126(4)
10.2.1 Water Reducer
126(1)
10.2.2 Retarding Agent
127(2)
10.2.3 Early-Strength Agent
129(1)
10.2.4 Others
129(1)
10.3 What Is the Correct Using Method of Chemical Admixture?
130(1)
10.4 Conclusion
130(3)
References
131(2)
11 Fatal Factor for Durability: Drying Shrinkage
133(18)
11.1 Generating Process of Drying Shrinkage Crack
133(1)
11.2 Harmfulness of Dehydration Crack
134(13)
11.2.1 Drying Shrinkage Crack has Great Effect on Flexural Strength and Directly Threatens Safety of Concrete Structure
137(2)
11.2.2 Destroying Structure Directly in Some Individual Severe Regions
139(3)
11.2.3 Reducing Frost Resistance and Impermeability of Pavement Concrete in Cold Regions
142(1)
11.2.4 Thin-Walled Structure and Reinforced Concrete Structure with Small Protection Layer Direct Impact on Their Durability and Usage Security
142(4)
11.2.5 In Partial Regions in the South and North, Drying Shrinkage Crack is also Manifested as a Kind of Shallow and Harmless Crack Which has no Practical Effect on Security and Durability of Engineering
146(1)
11.3 Cause for Drying Shrinkage Crack
147(2)
11.4 Ending Words
149(2)
References
150(1)
12 Doctor of Concrete---Self-healing
151(16)
12.1 Discovery of Self-curing Phenomenon
151(9)
12.2 Cause Analysis
160(1)
12.3 Application of Self-curing Principle During Practical Engineering
161(3)
12.4 Ending Words
164(3)
13 High-Performance Concrete, Really High Performance?
167(6)
13.1 Difference Between Normal Concrete and High-Performance Concrete
167(3)
13.2 Comparison of Application Effect During Practical Engineering
170(1)
13.3 Ending Words
171(2)
References
172(1)
14 Where Is the Correct Idea for Durability Research?
173(8)
14.1 Reason for Poorer Durability and Research Mistakes
173(2)
14.2 Correct Method to Solve Durability Problem
175(4)
14.3 Ending Words
179(2)
References
179(2)
15 Scientific Foundation of Modern Concrete
181(22)
15.1 Discovery of the Problem
182(3)
15.2 Conception of the Second-Period Concrete
185(3)
15.3 Proposing of the "Three-Stage Hypothesis"
188(7)
15.4 Cause Analysis
195(3)
15.5 Scientific Meaning of Three-Period Theory Toward Modern Concrete
198(2)
15.6 Ending Words
200(3)
References
201(2)
16 Summary Report of Experimental Study on Dehydration Crack Appearing in the Construction of Turpan Civil Airport Cement Concrete Pavement
203(62)
16.1 Experimental Meaning and Purpose
203(3)
16.1.1 Experimental Meaning
204(1)
16.1.2 Experimental Purpose
205(1)
16.2 Experimental Program
206(14)
16.2.1 Emerging Time, Size, Shape, and Character of Dehydration Crack
206(1)
16.2.2 Harmfulness of Dehydration Crack
207(2)
16.2.3 Cause for Generation of Dehydration Crack
209(3)
16.2.4 Experimental Program
212(5)
16.2.5 Formation and Labor Division of Institutional Framework
217(3)
16.3 Experimental Process
220(24)
16.3.1 Preparation of Materials, Crews, and Machines
220(1)
16.3.2 Concrete Mix Proportion
220(3)
16.3.3 Process Controlling
223(12)
16.3.4 Process of Curing and Observing
235(3)
16.3.5 Experiment on Penetration Speed
238(3)
16.3.6 Experiment on Water-to-Cement Ratio (W/C)
241(3)
16.4 Experimental Summary and Conclusion
244(15)
16.4.1 Introduction
244(1)
16.4.2 Summary on Environment Climate Influence
245(1)
16.4.3 Summary on Raw Material
246(3)
16.4.4 Summary on Concrete Mix Proportion
249(3)
16.4.5 Summary on Adding Polyester Fiber
252(2)
16.4.6 Summary on Map Crack
254(2)
16.4.7 Summary on Construction Technology
256(2)
16.4.8 General Conclusions
258(1)
16.5 Total Requirements for Construction of Concrete Used in Turpan Airport
259(6)
16.5.1 Requirements for Construction Preparation
259(1)
16.5.2 Controlling of Construction Process
260(4)
Reference
264(1)
Appendix A 265(8)
Appendix B 273(4)
Appendix C 277
Yang Wenke is a distinguished senior engineer at China Airport Construction Group Corporation, CAAC. His research areas are focused on chemical synthesis and processing of building materials, construction of airport, and development of materials. He received a number of awards for excellence in guiding the construction engineering of airport such as the National Construction Project Luban Prize (the highest construction prize in China) and Silver Award in Construction. He served as a member of China Concrete Quality Committee, a member of China Commercial Concrete Experts Committee, a member of China Concrete Durability Committee, a member of China Concrete Engineering and Technology Experts Committee, and a professor at East China Jiaotong University. His research was directed primarily to building materials, in particular construction of concrete, and published over 20 papers in Chinese well-known journals such as concrete, cement etc.