Based on these research results, the supporting plan and parameters of roadway in Xieqiao coalmine in Huainan are designed.
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2. 沙坡头水利枢纽的极软岩地基处理就是工程建设必须解决的重大课题。
Treatment of very soft rock in Shapotou Water Control Project is a grave subject to be dealt with in project construction.
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3. 本文重点对极软岩中的典型代表昔格达地层路堑边坡稳定性进行研究。
This paper is focused on the studying of excavation slope stability of Xigeda strata, a typical model of dead soft rock.
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4. 结果表明，辅助锚注支护显著提高了围岩的强度和承载能力，有效地控制了深部极软岩巷道的围岩变形。
Results indicate that the bolt-grouting support helps to increase the strength and bearing capacity of the surrounding rock and to control its deformation effectively.
