《MILITARY ENGINEERING VOLUME XIV PART III PRESTRESSED CONCRETE DESIGN》求取 ⇩

Introduction1

CHAPTER 1.INTRODUCTION TO PRESTRESSED CONCRETE4

1.Introduction to prestressed concrete4

CHAPTER 2.THEORY AND BEHAVIOUR OF PRESTRESSEDCONCRETE BEAMS IN FLEXURE12

2.Stress conditions in prestressed concrete12

3.Moment of resistance of prestressed concrete24

4.Loading conditions32

CHAPTER 3.CHARACTERISTICS OF MATERIALS35

5.Characteristics of concrete35

6.Characteristics of high-tensile steel40

CHAPTER 4.LOSSES IN PRESTRESS45

7.Introduction to losses in prestress45

8.Elastic loss in prestress46

9.Creep,shrinkage,relaxation,and anchorages losses in prestress53

10.Friction losses in prestress56

11.Summary of losses in prestress61

12.Elongation of tendons64

CHAPTER 5.POST-TENSIONING SYSTEMS66

13.Post-tensioning systems66

CHAPTER 6.DESIGN OF BEAMS FOR FLEXURE UNDER WORKING LOAD70

14.Design of post-tensioned beams for maximum moments70

15.Layout of post-tensioned beams92

16.Design and layout of pre-tensioned beams of constant cross-section97

17.Deflections of prestressed beams101

CHAPTER 7.DESIGN OF BEAMS FOR FLEXURE UNDER ULTIMATE LOAD107

18.Ultimate strength of prestressed beams107

19.Cracking of prestressed beams116

CHAPTER 8.DESIGN OF PRESTRESSED BEAMS FOR SHEAR122

20.Design of prestressed beams for shear122

CHAPTER 9.BOND AND END-BLOCKS133

21.Bond in pre-tensioned beams133

22.End-blocks in post-tensioned beams137

CHAPTER 10.NON-PRESTRESSED REINFORCEMENT143

23.Uses and design of non-prestressed reinforcement143

CHAPTER 11.COMPOSITE PRESTRESSED BEAMS151

24.Composite T beams151

25.Composite rectangular beams163

CHAPTER 12.PRESTRESSED COLUMNS172

26.Prestressed columns172

CHAPTER 13.MILITARY USES OF PRESTRESSED CONCRETE186

27.General military uses186

28.Semi-permanent composite prestressed concrete bridges187

CHAPTER 14.CIRCULAR PRESTRESS AND WALLS OF CYLINDRICAL LIQUID-RETAINING TANKS202

29.Circular prestress202

30.Vertical prestress in cylindrical tank walls213

APPENDIXES221

A.Summary of practical rules for prestressed concrete design221

B.Location of prestressing wires in pre-tensioned beams223

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