绪言本报告的目的是评述混凝土和类似材料的性能,以便确定对坝在地震条件下的性态可能是重要的一些因素,因而在阐述分析中所用的材料性能时,需要把这些因素包括进去。为要这样做,将着重在材料性质的非线性方面,以及能量赖以耗散并 INTRODUCTION The purpose of this report is to review the performance of concrete and similar materials in order to determine certain factors that may be important to the behavior of the dam under seismic conditions. Therefore, these factors need to be included in the analysis of the material properties used in the analysis. In order to do this, the emphasis will be on the non-linearity of the nature of the material, as well as on the dissipation of energy.