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Prestressed Concrete Design to Eurocodes.
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[Place of publication not identified] :
CRC Press (CAM) : CRC Press,
2012.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Title; Copyright; Dedication; CONTENTS; Preface; 1. Basic concepts; 1.1 Introduction; 1.2 Prestressed concrete; 1.3 Economics of prestressed concrete; 2. Technology of prestressing; 2.1 Methods of prestressing; 2.2 Pre-tensioning; 2.2.1 Debonding/blanketing of strands; 2.2.2 Deflecting/draping/harping of strands; 2.2.3 Loss of prestress at transfer; 2.2.4 Transmission length; 2.2.4.1 Example of calculation of transmission length; 2.3 Post-tensioning; 2.3.1 Post-tensioning anchors; 2.3.2 Loss of prestress at transfer; 2.3.3 External prestressing; 2.3.4 Unbonded systems
- 3. Material properties3.1 Properties of concrete; 3.2 Compressive strength of concrete; 3.3 Tensile strength of concrete; 3.4 Deformational properties; 3.4.1 Elastic moduli; 3.4.2 Creep coefficient; 3.4.3 Shrinkage; 3.5 Stress-strain relationship; 3.5.1 Parabolic-rectangular relationship; 3.5.2 Bi-linear relationship; 3.5.3 Confined concrete; 3.6 Permissible stresses in concrete; 3.7 Prestressing steel; 3.8 Relaxation; 3.9 Maximum Stress at Jacking; 3.10 Long-term loss of prestress; 3.11 References to Eurocode 2 clauses; 4. Serviceability limit state design of pre-tensioned beams
- 4.1 Design of prestressed concrete structure4.2 Beam design based on engineers' theory of bending; 4.2.1 Sign convention; 4.2.2 Example of beam designed based on engineer's theory of bending; 4.3 Development of SLS design equations; 4.3.1 Example of SLS design equations; 4.3.2 Magnel diagram; 4.3.3 Choice of prestress and eccentricity; 4.3.4 Stress check; 4.3.5 Debonding; 4.3.6 Choice of prestress and eccentricity at different sections; 4.4 Initial sizing of section; 4.4.1 Example of preliminary sizing; 4.5 Composite beam section; 4.5.1 Magnel equations for composite beam
- 4.5.2 Shrinkage stress calculation4.5.3 Example of shrinkage stress calculation; 4.5.4 Magnel diagrams for a composite beam; 4.5.5 Choice of prestress and eccentricity at different sections; 4.6 Cracking; 4.7 Thermal stress calculation; 4.7.1 Heating; 4.7.2 Cooling; 4.7.3 Calculation of stresses due to thermal gradients; 4.7.4 Example of thermal stress calculation; 4.7.4.1 Thermal stress calculation: Heating; 4.7.4.2 Thermal stress calculation: Cooling; 4.8 Detailing; 4.9 References to Eurocode 1 and Eurocode 2 clauses; 5. Bonded post-tensioned structures; 5.1 Post-tensioned beams
- 5.2 Cable profile in a post-tensioned beam5.2.1 Example of permitted cable zone; 5.2.1.1 Magnel equations; 5.2.1.2 Determination of maximum eccentricity; 5.2.1.3 Determination of cable zone; 5.2.1.4 Detailing of post-tensioned tendons; 5.3 Concept of equivalent loads; 5.3.1 General equation for equivalent loads; 5.3.2 General equation for distributed loads for a parabolic profile; 5.3.3 Drape of the cable; 5.4 Load balancing; 5.5 Reference to Eurocode 2 clauses; 6. Statically indeterminate post-tensioned structures; 6.1 Introduction; 6.1.1 Primary and secondary moments