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砂卵石地层注浆加固模型及试验研究

The Model and Experiment Study of Grouting Reinforcement in Sandy Gravel Stratum
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摘要 通过现场注浆试验,分析了注浆压力、注浆时间、浆液水灰比等因素对浆液扩散半径的影响,推导黏性水泥浆液的柱面扩散模型,通过引入曲度系数来体现砂卵石地层浆液渗流路径的曲折度,并对试验结果进行拟合分析。 Through field grouting test, the influence of grouting pressure, grouting time and grouting water cement ratio on grouting diffusion radius is analyzed, and cylindrical diffusion model of viscous cement slurry is deduced. The curvature coefficient is introduced to reflect the curvature of grout seepage path in sandy gravel formation, and the test results are fitted and analyzed.
作者 王春波 韦生达 刘轶群 方华昌 田宇 WANG Chun-bo;WEI Sheng-da;LIU Yi-qun;FANG Hua-chang;TIAN Yu(China Railway Eryuan Engineering Group Co.Ltd.,Chengdu 610031,China;Zhang Haibo Innovation Studio,Chengdu 610031,China;Road and Bridge International Co.Ltd.of CCCC,Beijing 100027,China;CCCC Tunnel Engineering Company Limited,Beij ing 100102,China)
出处 《工程建设与设计》 2019年第17期47-49,共3页 Construction & Design for Engineering
关键词 砂卵石地层 注浆加固 柱面渗流模型 sandy gravel stratum grouting reinforcement cylindrical diffusion model
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