作者：张社荣，王枭华，王超
页数：160
出版社：科学出版社
出版日期：2023
ISBN：9787030742261
电子书格式：pdf/epub/txt
内容简介
在各种基础设施中，高坝在电力、灌溉、防洪等方面具有巨大的政治和经济效益，爆炸袭击下大坝造成严重伤害、财产损失和经济破坏。因此，如何准确模拟碾压混凝土重力坝抗爆性能是一个迫切需要研究的领域。为了揭示混凝土重力坝在水下爆炸作用下的动力响应和破坏机理，本文首先研究了碾压混凝土的动力特性，特别是施工工艺中的垂直分层、层间效应对冲击波传播的影响以及不当碾压造成的初始损伤。然后在全面了解碾压混凝土应变率敏感性和尺寸依赖性的基础上，研究了碾压混凝土的动态尺寸效应。最后，建立适用于水工碾压混凝土材料的动态本构模型，以便对混凝土重力坝的抗爆性进行更合理的评估。
目录
Contents
1 Constitutive Relations of RCC: An Overview 1
1.1 Background 1
1.2 Literature Review 3
1.2.1 Dynamic Behaviors and Constitutive Models for Normal Concrete 3
1.2.2 Special Physical and Mechanical Properties of RCC 4
1.2.3 Size-Dependence of Concrete Under Dynamic Loads 6
1.2.4 Aggregate Effect on Mechanical Behaviors of Concrete 8
References 11
2 Experimental Research on Dynamic Behaviors of RCC 17
2.1 Introduction 17
2.2 Experimental Procedures 18
2.2.1 Material and RCC Mix Proportion 18
2.2.2 Specimen Preparation 21
2.2.3 Quasi-static Testing Results 22
2.2.4 Reliability Analysis of SHPB Test 23
2.3 Effect of Construction Technique on Dynamic Behaviors 26
2.3.1 Dynamic Mechanical Properties 26
2.3.2 Stratification Effect of RCC on Dynamic Mechanical Properties 29
2.4 Shock Wave Propagation Across Interlayers in RCC 31
2.4.1 Experimental Scheme 31
2.4.2 Incident and Transm
1 Constitutive Relations of RCC: An Overview 1
1.1 Background 1
1.2 Literature Review 3
1.2.1 Dynamic Behaviors and Constitutive Models for Normal Concrete 3
1.2.2 Special Physical and Mechanical Properties of RCC 4
1.2.3 Size-Dependence of Concrete Under Dynamic Loads 6
1.2.4 Aggregate Effect on Mechanical Behaviors of Concrete 8
References 11
2 Experimental Research on Dynamic Behaviors of RCC 17
2.1 Introduction 17
2.2 Experimental Procedures 18
2.2.1 Material and RCC Mix Proportion 18
2.2.2 Specimen Preparation 21
2.2.3 Quasi-static Testing Results 22
2.2.4 Reliability Analysis of SHPB Test 23
2.3 Effect of Construction Technique on Dynamic Behaviors 26
2.3.1 Dynamic Mechanical Properties 26
2.3.2 Stratification Effect of RCC on Dynamic Mechanical Properties 29
2.4 Shock Wave Propagation Across Interlayers in RCC 31
2.4.1 Experimental Scheme 31
2.4.2 Incident and Transm
