The distortion process of the rock bedded slope with weak structure surface is analyzed by RFPA-slope limited element procedure.

介绍一种研究岩体软弱结构面抗剪强度的新的试验方法———梯形试体三向千斤顶直剪试验法。

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According to structure character of rock (coal) pillar of maintaining roadways, concepts of weak geometry structure roadways and weak structure body are brought forward in this paper.

根据护巷岩(煤)柱的结构特征，提出了几何弱结构巷道与弱结构体的概念。

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Based on structure features of layer rock mass which has thin layer in roadsides, the concepts of thin layer weakness structure in roadsides and weak structure body has been put forward by this paper.

根据巷道两帮存在软弱夹层的层状岩体结构特征，提出了巷帮薄层弱结构与弱结构体的概念。

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"Where we have seen certain bonds under-perform, it's normally a function of poor credit quality, weak structure or overly aggressive pricing, " he said.

WSJ: Perpetual Bond Risk Rises With US Treasury Yields

And Oregon has a weak social structure, with many recent immigrants who lack the family and community ties to weather hard times.

ECONOMIST: And, despite ever-expanding waistlines, it is not alone

Europe suffers from poor demographics and a weak currency structure.

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