龙门石窟岩体裂隙防渗注浆机制及参数分析

doi:10.13722/j.cnki.jrme.2014.s2.069

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Abstract Combined with rock fracture grouting theory，through the investigation of rock fissure，the adoption of low alkali compound injection slurry，on-site rock fracture grouting test and analysis of Longmen grottoes rock fracture grouting mechanism，the Longmen grottoes fissure grouting process parameters and construction technology were put forward. According to the grouting test result analysis，pulp slurry belongs to Bingham fluid，under the condition of low pressure grouting，grout in rock fracture movement status to laminar flow. Analysis field grouting cracks opening，minimum irrigation crack width characteristic value of alpha is 0.5 mm. Test results show that the crack width and water-cement ratio approximate assumes the inverse proportion relationship. When fracture opening width less than the minimum fracture width characteristic value of alpha，even though the water cement ratio is very big，grouting is also impossible. The grouting pressure and time has a significant impact of the test hole grouting volume.

Key words： rock mechanics Longmen grottoes rock fracture grouting test grouting theory effect of detection

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	Articles by authors
	LIU Xiangyou1
	ZHAI Guolin2
	FANG Yun2
	FAN Zilong3

Cite this article:

LIU Xiangyou1,ZHAI Guolin2,FANG Yun2, et al. IMPERMEABLE GROUTING MECHANISM AND PARAMETER ANALYSIS OF FRACTURE ROCK IN LONGMEN GROTTOES[J]. , 2014, 33(S2): 3941-3947.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2014.s2.069 OR https://rockmech.whrsm.ac.cn/EN/Y2014/V33/IS2/3941

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