冻土动力学研究综述  

Review on dynamics of frozen soil

作　　者：陈克政 丁琳 孙剑飞[3] CHEN Kezheng;DING Lin;SUN Jianfei(College of Mechanical and Electrical Engineering,Northeast Forestry University,Harbin 150040,China;Heilongjiang Province Hydraulic Research Institute,Harbin 150050,China;School of Civil Engineering,Heilongjiang University,Harbin 150080,China)

机构地区：[1]东北林业大学机电工程学院,黑龙江哈尔滨150040 [2]黑龙江省水利科学研究院,黑龙江哈尔滨150050 [3]黑龙江大学建筑工程学院,黑龙江哈尔滨150080

出　　处：《世界地震工程》2024年第1期185-198,共14页World Earthquake Engineering

基　　金：国家自然科学资金项目(41071049);东北林业大学林业工程一流学科博士创新基金(LYGC202207);冻土工程国家重点实验室开放基金项目(SKLFSE201802,SKLFSE201919)。

摘　　要：冻土动力学是寒区岩土工程所要考虑的重要内容,是研究冻土抗震和抗长期循环荷载的理论基础。本文主要介绍了冻土动力学参数的测试方法,回顾了冻土动力学参数、冻土动强度、冻土动蠕变破坏特征和冻土动蠕变强度的研究进展,并对部分冻土动态本构模型和动蠕变模型进行了简单的介绍,最后对冻土动力学的发展趋势进行了展望。Frozen soil dynamics is an important part of geotechnical engineering in cold regions,and it is the theoretical basis for studying the earthquake resistance and long-term cyclic load resistance of frozen soil.The development of frozen soil dynamics has achieved fruitful results.This paper mainly introduces the testing methods of frozen soil dynamic parameters,and reviews the research progress of dynamic parameters,dynamic strength,failure characteristics of dynamic creep and dynamic creep strength.The dynamic constitutive model and dynamic creep model are briefly introduced,and finally the development trend of frozen soil dynamics is prospected.

关 键 词：冻土 动力学参数 动强度 动态本构模型 动蠕变 动蠕变模型 

分 类 号：TU435[建筑科学—岩土工程] P642.14[建筑科学—土工工程]