A preliminary study on the piping erosion of soils using glucose dissolution method
A preliminary study on the piping erosion of soils using glucose dissolution method
复制标题
葡萄糖溶解法对土壤管道侵蚀的初步研究
DOI:
10.1007/s12665-017-7191-7
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发表时间:
2018-01
影响因子:
2.8
通讯作者:
Chao Xu
中科院分区:
文献类型:
--
作者:
Yang Yang;Reiko Kuwano;Chao Xu
Piping erosion-induced earthen structure failures can cause catastrophic consequences and great economic loss. Experimental laboratory simulation of piping plays a key role for the study of eroded soils. Up till now, piping erosion has been simulated in different ways, such as artificial slot or drilled hole. This paper is a continuation of such efforts and presents a new method of reproducing piping erosion by dissolution of preinstalled glucose column inside the tested material. The proposed method was examined through a series of triaxial compression tests under different densities and confining pressures, aiming to identify the association between stiffness loss and particle dissolution during piping erosion. With the help of local sensors, volumetric strains during piping propagation and small strain stiffness of soil at post-erosion state were obtained. Results showed significant degradation of Young’s modulus and Poisson’s ratio in soil subjected to piping erosion, while the overall shear strength of the disturbed specimens appeared to be less affected.
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DOI:
10.1016/0148-9062(76)90851-2
发表时间:
1976
影响因子:
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作者:
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DOI:
10.3208/jgssp.jpn-127
发表时间:
2016-01
期刊:
Japanese Geotechnical Society Special Publication
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