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缓倾软弱夹层对顺层岩质边坡稳定性的影响

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为详细了解缓倾软弱夹层对顺层边坡稳定性的影响,以广西六宾高速K23+350~K23+550右侧挖方边坡为例,采用理论计算和数值模拟的方法开展软弱夹层对上覆弃渣体顺层岩质边坡稳定性影响的研究.研究结果表明,在最不利工况下软弱结构面处的位移相对较小,岩质顺层边坡处于稳定状态.弃渣体堆载体部分在暴雨工况下安全系数不满足规范要求,需对其进行加固.
Study on the Influence of Gently Inclined Weak Interlayers on the Stability of Bedding Rock Slopes
In order to gain a detailed understanding of the impact of weak interlayers on the stability of bedding rock slopes with gentle dipping,this paper takes the excavation slope on the right side of K23+350~K23+550 of Liubin Expressway in Guangxi as an example.Theoretical analysis and numerical simulation were used to study the stability of overlying abandoned slag bedding rock slopes with weak interlayers.The research results show that the displacement at the weak structural plane is relatively small under the most unfavorable working conditions,and the bedding rock slope with gently inclined weak interlayers is in a stable state.For the waste slag body part,the safety factor of the stacking carrier part does not meet the specification requirements under the rainstorm condition,and it needs to be reinforced.

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中铁十八局集团建筑安装工程有限公司,天津 300308

缓倾软弱夹层 顺层边坡 岩质边坡 稳定性

2024

新乡学院学报
新乡学院

新乡学院学报

影响因子:0.177
ISSN:2095-7726
年,卷(期):2024.41(3)
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