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喷锚技术是水工地下建筑中重点推广的技术革新项目,对节约三材、加快建设速度,具有重要意义。本文从喷锚支护的工作原理和设计理论、喷锚技术在无内压洞室中的应用、有压隧洞中应用喷锚衬砌的几个问题、喷锚支护的施工技术等四个方面,概括介绍了国内水电工程应用喷锚技术的情况和经验,对进一步推广喷锚技术有一定的促进作用。由于文章篇幅较长,本刊拟分两期连载。
Spray anchor technology is a key innovation in hydraulic underground construction technology innovation projects, to save three materials, speed up the construction speed, of great significance. In this paper, the working principle and design theory of shotcrete and bolt support, the application of shotcrete anchor technology in non-pressured cavern, several problems of application of shotcrete and bolt lining in pressure tunnel, construction technology of shotcrete and anchor support , Introduced the situation and experience of spray anchor technology applied in domestic hydropower projects, and promoted the application of spray anchor technology to some extent. Due to the length of the article, the article is intended to be serialized in two phases.