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隧道注浆加固模型试验研究

DOI: 10.3969/j.issn.1674-0696.2014.04.09, PP. 44-46

Keywords: 隧道工程,注浆加固,模型试验,相似理论,数值模拟,应变,位移,tunnelengineering,groutingreinforcement,modeltest,similartheory,numericalsimulation,strain,displacement

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Abstract:

:?为了探讨注浆前后隧道结构及周围围岩的力学稳定性变化,根据相似原理,对一单洞隧道进行了隧道注浆加固模型试验。选择合适的试验材料,确定了隧道衬砌模型、围岩材料以及试验中所采用的注浆方法;采用YE2539高速静态应变测试系统、游标卡尺等分别量测了注浆前后隧道结构应变、位移的变化情况。结果表明:隧道的位移变化值与数值模拟结果接近,应变变化规律与数值模拟结果相同,试验方案是合理可行的。

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