软流塑地层注浆加固作用定量化研究

doi:10.13722/j.cnki.jrme.2015.1152

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Abstract Characteristics of soft fluid-plastic stratum include low load-carrying capacity，poor cementing power and rich water，which makes it much difficult to control. In order to study the relation between grouting parameters and physico-mechanical parameters of soft fluid-plastic stratum，field tests of the grouting reinforcement were carried out using cement-silicate grout with different proportions. Based on the formation macro mechanics performance，the quantitative relation of grouting influencing factor and improvement of physical and mechanical properties of the soft fluid-plastic stratum is established via analyzing the change law of elastic modulus，cohesion，internal friction angle and permeability coefficient. Moreover，the criterion on excavation of soft ground has been demonstrated based on grouting reinforcement mechanisms. The results would have certain value for developing the grouting reinforcement mechanism of soft fluid-plastic stratum.

Key words： soil mechanics soft fluid-plastic stratum grouting reinforcement cement-sodium silicate physical and mechanical characteristics quantitative

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	Articles by authors
	SUN Zizheng1
	LI Shucai1
	LIU Rentai1
	GAO Bo2
	ZHANG Qingsong1
	ZHANG Lewen1

Cite this article:

SUN Zizheng1,LI Shucai1,LIU Rentai1, et al. Quantitative research on grouting reinforcement of soft fluid-plastic stratum[J]. , 2016, 35(S1): 3385-3393.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2015.1152 OR https://rockmech.whrsm.ac.cn/EN/Y2016/V35/IS1/3385

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