钢筋混凝土的高温性能试验及其计算(精)/清华大学学术专著
出版时间 2011

内容提要
《钢筋混凝土的高温性能试验及其计算》主要论述钢筋混凝土结构及其材料在不同温度—荷载史下的受力性能。通过混凝土和钢筋材料，以及梁、柱和超静定结构试件等的系列高温试验研究讨论了主要结果，分析了一般性规律，建立了材料的耦合热—力本构关系，给出了准确的理论分析和简化的实用计算方法。本书的研究成果可应用于混凝土结构的火灾温度场分析、抗火分析和设计，以及火灾后的损伤评估和事故处理。
《钢筋混凝土的高温性能试验及其计算》可用作研究生教材，也可供相关领域研究人员和工程技术人员参考使用。
目录
Preface
Introduction
0.1 Thermal Problems in Structural Engineering
0.2 Harmfulness and Resolution of Structure After Fire
0.3 Behavior Characteristics of Reinforced Concrete Structure at Elevated Temperature
References
PART I Mechanical Behavior of Materials at Elevated Temperatures
1 Strength of Concrete at Elevated Temperatures
1.1 Testing Method and Device
1.1.1 General Testing Program
1.1.2 Design and Manufacture of the Furnace for Material Testing
1.2 Compressive Strength at Elevated Temperatures
1.2.1 General Phenomena During Heating
1.2.2 Cubic Compressive Strength at Elevated Temperatures
1.2.3 Compressive Strength After Cooling
1.3 Tensile Strength at Elevated Temperatures
Conclusions
References
2 Deformation of Concrete at Elevated Temperature
2.1 Deformation During Heating and Cooling
2.1.1 Deformation During Monotonic Heating and the Linear Expansion Coefficient
2.1.2 Deformation During the Heating-Cooling Cycle
2.2 Compressive Deformation and the Stress-Strain Curve at Elevated Temperature
2.2.1 Characteristics of Compressive Deformation
2.2.2 Prismatic Compressive Strength and Corresponding Strain
2.2.3 Equation of a Complete Stress-Strain Curve
2.2.4 Initial Elastic Modulus and Secant Modulus at Peak Stress
2.3 Stress-Strain Curves Under Repeated Loading
2.3.1 Envelope and Loci of the Common Point and the Stability Point
2.3.2 Formulas for the Unloading and Reloading Curves
2.4 Short Time Creep at Elevated Temperature
2.4.1 Creep Under Constant Temperature and Stress
2.4.2 Creep Under Variable Temperature and Stress
Conclusions
References
3 Temperature-Stress Paths and Coupling Constitutive Relation of Concrete
3.1 Temperature-Stress Paths and Deformation Components
3.1.1 Temperature-Stress Path and Its Resolution
3.1.2 Composite Components of Deformation at Elevated Temperatures
3.1.3 Testing Method and Average Temperature of the Specimen
3.2 Compressive Strength of Concrete Under Different Temperature-Stress Paths
3.2.1 Upper and Lower Bounds of Compressive Strength
3.2.2 Influence of Different Temperature-Stress Paths
3.3 Thermal Strain Under Stress and Transient Thermal Strain
3.3.1 Thermal Strain Under Stress
3.3.2 Transient Thermal Strain
3.4 Coupling Temperature-Stress Constitutive Relation
3.4.1 Comparison of Strains Under Different Temperature-Stress Paths
3.4.2 Basic Formulas of Coupling Constitutive Relation
3.4.3 Calculation Rules for Strain Increments
3.4.4 Example and Experimental Demonstration
Conclusions
References
4 Mechanical Behavior and Constitutive Relation of Reinforcement at Elevated Temperatures
PART II Temperature Field on a Cross Section of a Structural Member
5 Temperature-Time Curve of Fire and the Equation of Heat Conduction, 76
6 Theoretical Analysis of the Temperature Field, 91
7 Calculation Charts for a Temperature Field on a Cross Section,
PART III Mechanical Behavior of Members and Structures at Elevated Temperatures
8 Behavior of Flexural Members at Elevated Temperatures
9 Behavior of Compressive Members at Elevated Temperatures
10 Behavior of Statically Indeterminate Structures at Elevated Temperatures, 201
PART IV Theoretical Analysis and Practical Calculation Method
11 General Mechanical Characteristics of Inhomogeneous Sections, 230
12 Finite Element Analysis of the Loadincl History for Structures,
13 Practical Calculation Methods for the Ultimate Strength of Members and Structures at Elevated Temperature, 266
14 Fire Resistance Analysis and Damage Grade Evaluation of a Structure, 290
Index