Design of Prestressed Concrete

Preface. Notation. Basic concepts. Introduction. Methods of prestressing . Introductory example. Transverse forces caused by draped tendons. Calculation of elastic stresses. Flexural behaviour - from initial to ultimate loads. Design procedures. Design properties of materials. Introduction. Composition of concrete. Strength of concrete. Deformation of concrete. Predictions of the creep coefficient and shrinkage. Thermal expansion. Steel used for prestressing. Steel relaxation. Non-prestressed reinforcement. Design for serviceability. Introduction. Stress limits. Determintaion of prestress and eccentricity in flexural members. Cable profiles. Short-term analysis of cross-sections. Time-dependent analysis of cross-sections. Losses of prestress. Deflection calculations. Ultimate flexural strength. Introduction. Flexural behaviour at overloads. Flexural strength theory. Approximate code-oriented procedures. Design calculations. Flanged sections. Design for shear and torsional strength. Introduction. Inclined cracking. Effect of prestress. Web reinforcement. Shear strength. Compatability torsion and equilibrium torsion. Effects of torsion. Design provisions for torsion in AS 3600-1988. Punching shear. Design procedures for punching shear in AS 3600-1988. Anchorage zones. Introduction. Pretensioned concrete - force transfer by bond. Post-tensioned concrete anchorage zones. Composite members. Types and advantages of composite construction. Behaviour of composite members. Stages of loading. Determination of prestress. Methods of analysis at service loads. Ultimate flexural strength. Horizontal shear transfer. Ultimate shear strength. Design procedures for determinate beams. Introduction. Types of section. Initial trial section. Design procedures - fully prestressed beams. Design procedures - partially prestressed beams. Statically indeterminate members. Introduction. Tendon profiles. Continuous beams. Statically indeterminate frames. Design of continuous beams. References. Two-way slabs - behaviour and design. Introduction. Effects of prestress. Design approach - general. One-way slabs. Two-way edge-supported slabs. Flat plate slabs. Flat slabs with drop panels. Band-beam and slab systems. Two-way slabs - serviceabilty. Introduction. The balanced load stage. Initial sizing of slabs. A review of simplified slab deflection models. Cracking in prestressed slabs. Long-term deflections. Worked examples. Compression and tension members. Types of compression members. Classification and behaviour of compression members. Cross-sectional analysis - compression and bending. Slenderness effects. Reinforcement requirements in compression members. Tension members. Appendix: Alternative models for creep and shrinkage. Index.