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重庆万盛区刀子岩危岩稳定性分析及防治

DOI: 10.3969/j.issn.1674-0696.2014.03.20, PP. 92-97

Keywords: 工程地质学,危岩,稳定性,geologyengineering,unstablerockblock,stability

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Abstract:

:?在裂隙切割和溶蚀作用下,万盛区刀子岩陡崖局部已演变成危岩,其破坏方式可分为滑移式、倾倒式和坠落式3种类型。对3种危岩体的稳定性进行了定性和定量分析。研究表明:天然条件下,危岩体多处于基本稳定-稳定状态;暴雨工况下,38%的危岩体处于基本稳定"稳定状态,62%处于欠稳定-不稳定,具有很大的潜在危险。提出了危岩防治方案一-采用主动防治与被动防治相结合的方式,针对具体的危岩体选用衬砌、封闭、锚固、清除、地表排水及拦石等措施。

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