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囊式扩体锚杆在圆砾层的应用浅析
Author(s) -
芳秋 肖,
跃刚 魏
Publication year - 2019
Publication title -
地矿测绘
Language(s) - Uncategorized
Resource type - Journals
ISSN - 2630-4732
DOI - 10.32629/gmsm.v2i5.369
Subject(s) - computer science
通过岩土勘察参数设计锚杆理论抗拔值和原位试桩的基本试验测试,对比后验证囊式扩体锚杆工艺的可行性。项目地下室位于该场地的含粘性土圆砾层,地下室底板下的该地质层厚度大,采用传统的同径锚杆长度过长,砾石层施工难度大,采用囊式扩体锚杆长度可缩短至不大于9米,同时囊式扩体锚杆还可以有效的增大抗拔强度值。

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