土遗址裂隙注浆用SH-(C+F+CaO) 浆液耐久性试验研究

doi:10.13722/j.cnki.jrme.2016.0871

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Abstract In order to explore the the grouting material which is suitable to reinforce the soil cracks in Northwest region site，We try to use a new material which is a mixture of SH-(rammed earth clay + fly ash + CaO)(SH- (C+F+CaO)).Through a serial of tests ，learn about its Slurry shrinkage deformation and aging strength. The durability of the slurry is evaluated through the temperature and humidity cycle test，the freeze-thaw cycle test，water stability test，stability test and the alkali resistance test. The shear characteristics of slurry-soil interface is estimated through the indoor simulation fracture grouting.The test results indicate that SH-(C+F+CaO) material has less shrinkage deformation，strong aging strength and good durability，and especially suitable for the Northwest region-specific alkaline environment. However，sodium sulfate weaken the material strength，so the material should be used with caution in the area of high concentration sodium soil sites. The shear strength of slurry-soil interface is strong as well as the undisturbed samples. The study shows that this material is suitable as northwest earthen crack grouting material.

Key words： soil mechanics SH-(C+F+CaO) slurry slurry-soil interface shear properties

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	Articles by authors
	CHEN Wenwu1
	2
	LIU Jian1
	2
	GONG Shuya1
	2
	YANG Guang1
	2
	WANG Dongyang1
	2
	LIN Gaochao1
	2

Cite this article:

CHEN Wenwu1,2,LIU Jian1, et al. Researches on the durability of the SH-(C+F+CaO) slurry applied to reinforce the cracks in earthen sites[J]. , 2016, 35(S2): 4310-4317.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2016.0871 OR https://rockmech.whrsm.ac.cn/EN/Y2016/V35/IS2/4310

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