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Instability Length Determination of Bedding Rock High Slope under Unloading Condition

机译：卸载条件下床上用品岩石高坡度的不稳定长度测定

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摘要

Combined engineering practice, based on the instability phenomenon investigation of the bedding rock high slope occurring during the excavation and construction process along an expressway, the theoretic formula for calculating the excavation height and instability length of the bedding rock slope has been deduced. And according to the field actual complicated geometry conditions of slope, the corresponding modified calculation method is given. During the field checking examples, each calculation parameter is modified in the light of the practical situation of each type, then calculating the safety factor. By the aid of the examples verification, the calculation results coincide with the field investigation situation well. It is demonstrated that the instability length of the bedding rock high slope calculated by this theory is reasonable.
机译：综合工程实践，基于在沿高速公路的挖掘和施工过程中发生床上用品岩石高斜率的不稳定现象调查，推导了用于计算垫层岩斜率的挖掘高度和不稳定长度的理论公式。并且根据斜率的实际复杂几何条件，给出了相应的修改计算方法。在现场检查示例期间，根据每种类型的实际情况来修改每个计算参数，然后计算安全系数。借助于实施例验证，计算结果与现场调查情况一致。据证明，通过该理论计算的床上用品岩石高斜率的不稳定长度是合理的。

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