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笔者认为,土洞系一种环境地质问题,其形成和发展与工程建筑有密切关系,但目前尚有不少问题需要进一步研究.本文主要从工程地质角度,对土洞的概念、形成条件和分类提出一些看法,并按上洞类型对其形成与发展的机理、影响因素作了分析、探讨,还简要说明在工程地质和水文地质工作中注意查明土洞的分布及其发展的实际意义.
The author believes that the soil cave system is an environmental geological problem, and its formation and development are closely related to engineering construction. However, there are still many problems that need further study. This paper mainly focuses on the concept and formation conditions of the soil cave from the perspective of engineering geology. The classification puts forward some views, and analyzes and discusses the mechanism and influencing factors of its formation and development according to the type of the upper hole. It also briefly explains the practical significance of identifying the distribution and development of the soil holes in the engineering geology and hydrogeology work. .