Contents
Preface .XI
CHAPTER 1 Introduction. 1
1.1 Development and features of reinforced concrete structure.1
1.2 Characteristics of this course.4
PART 1 MECHANICAL BEHAVIOR OF CONCRETE
CHAPTER 2 Basic Mechanical Behavior9
2.1 Material composition and characteristic10
2.1.1 Composition and internal structure10
2.1.2 Basic characteristics .13
2.1.3 General mechanism of failure process.17
2.2 Compressive strength.19
2.2.1 Cubic compressive strength19
2.2.2 Failure process of prism specimen.21
2.2.3 Main indices of mechanical behavior24
2.3 Complete compressive stressestrain curve.28
2.3.1 Testing method28
2.3.2 Equation for complete curve29
2.4Tensilestrengthanddeformation33
2.4.1Testingmethodandindexoftensilebehavior.33
2.4.2Tensilefailureprocessandcharacteristic39
2.4.3Equationofcompletestressestraincurve42
2.5Shearstrengthanddeformation.44
2.5.1Rationaltestingmethod44
2.5.2Failurecharacteristicandshearstrength48
2.5.3Shearstrainandmodulus.49
CHAPTER3BehaviorUnderIn.uenceofMainFactors.53
3.1Loadactedrepeatedly54
3.2Eccentriccompression.59
3.2.1Testingmethod59
3.2.2Mainexperimentalresults60
3.2.3Stressestrainrelation64
3.3Eccentricand.exuraltensions66
3.3.1Failureprocess66
3.3.2Ultimatetensilestrengthandplasticity-dependentcoef.cient67
3.3.3Themaximumtensilestrainatultimateload69
3.3.4Variationsofstrainandneutralaxisofsection69
3.3.5Equationsforcompletestressestraincurve.70
3.4 Age.71
3.4.1Compressivestrength72
3.4.2Modulusofelasticity74
3.5 Shrinkage75
3.5.1Kindandquantityofcement76
3.5.2Property,size,andquantityofaggregate.76
3.5.3Curingcondition.76
3.5.4Environmentalconditionofservicestage76
3.5.5Shapeandsizeofstructuralmember.76
3.5.6Otherfactors.76
3.6 Creep78
3.6.1Basicconcept78
3.6.2Mainin.uencefactors82
3.6.3Calculationformulas.85
CHAPTER4VariousStructuralConcrete89
4.1 High-strengthconcrete.90
4.1.1Applicationandpreparation.90
4.1.2Basicmechanicalbehavior.92
4.2 Light-weightconcrete99
4.2.1Classi.cation.99
4.2.2Basicmechanicalbehavior.101
4.3 Fiberconcrete.106
4.3.1Classi.cation.106
4.3.2Basicmechanicalbehavior.108
CHAPTER5MultiaxialStrengthandConstitutiveRelation113
5.1 Experimentalequipmentandmethod115
5.2 Generalregularitiesofmultiaxialstrengthanddeformation.118
5.2.1Biaxialstressstates.119
5.2.2Triaxialstressstates122
5.2.3Differentmaterialsandloadingpaths129
5.3 Typicalfailurepatternsandtheirboundaries132
5.3.1Breakingintension.132
5.3.2Columnarcrushing133
5.3.3Splittingintopieces134
5.3.4Inclinedshearing.134
5.3.5Extrudingandshifting135
5.4Failurecriterion137
5.4.1Shapeoffailureenvelopeanditsexpression.137
5.4.2Failurecriterion141
5.4.3Calculationchartsformultiaxialstrength146
5.5Constitutiverelation.147
5.5.1Modelsoflinearelasticity149
5.5.2Modelsofnon-linearelasticity.150