防膨胀软岩注浆材料试验及应用研究

doi:10.13722/j.cnki.jrme.2016.0934

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Abstract A type of anti-swelling grouting material has been manufactured in order to meet the demand for the grouting reinforcement of the underground roadway in swelling soft rock. The main parameters of performance of the grouting material，such as the density，the bleeding ration，the setting time，the fluidity and the consolidating strength were studied in the laboratory tests. Meanwhile the reinforcement performance of the grouting material was researched in an in-suit experiment. The results show that the main parameters of performance of the grouting material are optimal when the water-cement ratio is 0.5：1 and the ratio of the additive is 5‰. The grouting material is confirmed to improve effectively the property of the surrounding rock and enhance the strength of the broken and swelling soft rock. Meanwhile the grouting material also prevents the swelling deformations of the soft surrounding rock during the grouting process.

Key words： rock mechanics soft rock anti-swelling grouting material reinforcement performance

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	Articles by authors
	SUN Xiaoming1
	2
	CHEN Feng1
	2
	LIANG Guangfeng3
	FU Yi4
	GUO Zhibiao1
	2
	WU Zhaoqiang1
	2

Cite this article:

SUN Xiaoming1,2,CHEN Feng1, et al. Experimental and application research on grouting material for preventing swelling of soft rock[J]. , 2017, 36(2): 457-465.

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http://www.rockmech.org/EN/10.13722/j.cnki.jrme.2016.0934 OR http://www.rockmech.org/EN/Y2017/V36/I2/457

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