电渗复合地基模型试验研究

doi:10.13722/j.cnki.jrme.2020.0526

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Abstract In order to study the influence of power supply voltage，power-on time and drainage distance on the effect of electroosmotic composite foundation method improving soft soil，a model test rig was designed for electroosmotic composite foundation. According to the variable control，static loading test，direct shear test，and calculation between energy consumption and electroosmosis consolidation，the model test and corresponding parameter analysis were carried out for electroosmotic composite foundatiosn. The results show that，compared with the power-on time and the drainage distance，the voltage has the greatest impact on the drainage rate and the bearing capacity of the electroosmotic composite foundation，and that the electroosmotic energy consumption coefficient shows a significant increase trend as the power-on time exceeds 70 h and hence，it is recommended that the power-on time in the actual project should be controlled within 70 h. It is also shown that the increase of the voltage and the energization time will sharply increase the pile-soil interface resistance，which in turn reduces the effective potential，decreases the drainage rate and affects the increase of the electro-osmotic composite foundation.

Key words： foundation engineering electroosmotic composite foundation model test soft ground electroosmotic energy consumption

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	Articles by authors
	WANG Liangzhi1
	QI Changguang1
	ZHENG Jinhui1
	CUI Yunliang2
	SHAN Yanling1
	ZHENG Rongyue1

Cite this article:

WANG Liangzhi1,QI Changguang1,ZHENG Jinhui1, et al. Model test study on electroosmotic composite foundations[J]. , 2020, 39(12): 2557-2569.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2020.0526 OR https://rockmech.whrsm.ac.cn/EN/Y2020/V39/I12/2557

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