土力学中地基变形与时间的关系  

The relationship between foundation deformation and time in soil mechanics

作　　者：吴国辉 梁立孚[1] 刘宗民[1] 

机构地区：[1]哈尔滨工程大学航天与建筑工程学院,黑龙江哈尔滨150001

出　　处：《黑龙江工程学院学报》2012年第1期17-20,共4页Journal of Heilongjiang Institute of Technology

基　　金：高等学校博士学科点专项科研基金(20060217020);中央高校基本科研业务费专项资金资助(HEUCF100205;HEUCF100209)

摘　　要：固结理论是从地基沉降计算的需要出发而建立起来的。在现代土力学及其工程实践中,固结理论仍占有非常重要的地位。文中从力学的三类基本条件对固结理论进行研究,明确固结理论的平衡条件、协调条件和本构关系。满足这三类基本关系方可求得土体固结问题的唯一解。考虑到饱和土体为二相系,明确土体固结理论存在双本构关系。最后,以一维固结问题为例讨论土体的固结度。In order to calculate ground settlement, consolidation theory was established. Consolidation the- ory is still very important in modern soil mechanics and engineering practice. Starting from three kinds of basic conditions in mechanics, consolidation theory is studied. The equilibrium condition, compatibility condition and constitutive relation of consolidation theory are made clearly. When three kinds of basic con- ditions of consolidation theory are satisfied, the unique solution of consolidation problem of soil can be ob- tained. Considering two phases of saturated soil, the double constitutive relations of consolidation theory of soil are proposed in this paper. Finally, consolidation degree of soil is studied with one-dimensional consolidation problem as an example.

关 键 词：土力学 固结理论 双本构关系 固结度 

分 类 号：TU433[建筑科学—岩土工程]