A general solution for 1D consolidation induced by depth- and time-dependent changes in stress

A general solution for 1D consolidation induced by depth- and time-dependent changes in stress
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由深度和时间相关的应力变化引起的一维固结的通用解决方案

DOI:
10.1680/geot.14.p.077
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发表时间:
2015-09
期刊:
影响因子:
5.8
通讯作者:
D. V. Griffiths
D. V. Griffiths
中科院分区:
工程技术1区
文献类型:
--
作者:
J. C. Liu;D. V. Griffiths

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本文给出了求得固结层中总应力随深度和时间变化而产生的超孔隙压力的一般解析解,即随深度和时间变化函数的简单乘积。该解决方案针对先前发布的三个解决方案进行了验证,论文最后分析了一个涉及定期加载筒仓下的沉降和巩固的历史案例。在解析解和实测沉降之间观察到良好的一致性,并且瞬态响应也根据有限元解进行了验证。
The paper describes a general analytical solution for obtaining the excess pore pressure in a consolidating layer due to depth and time-dependent changes of total stress, given by a simple product of depth- and time-dependent functions. The solution is validated against three previously published solutions, and the paper ends with analysis of a case history involving settlement and consolidation beneath a periodically loaded silo. Good agreement is observed between the analytical solution and measured settlements, and the transient response is also validated against a finite-element solution.
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