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观夕硐是古人地下采石活动形成的洞室群。其历史可追溯到1500年前,属于大型地下工程。为解答观夕硐长期稳定,千年不倒的原因,研究洞区的工程地质条件。此研究既为长屿洞天地质公园大型地下古采石场遗址的保护和旅游安全积累地质资料,也可为现代大型地下工程的选址和建设提供工程类比资料。
View of the cave is the ancients underground quarry formation cavern group. Its history can be traced back to 1500 years ago, belonging to a large underground project. In order to answer the long-term stability of the Andean, Millennium does not fall reasons to study the engineering geological conditions of the cave. This study not only accumulated geological data for the protection and tourism safety of the large-scale underground quarry site in Changyu-Dongtian Geopark, but also provided engineering analogy for the site selection and construction of modern large-scale underground projects.