在隧洞挖掘施工中,钻爆法施工技术的应用呈现除了经济性、安全性和高效性等特点,尤为适用于地质条件复杂的水利工程施工中。从水工隧洞挖掘施工技术的内容来看,钻爆法开挖技术可为更好的应对岩质隧道施工难题提供技术支撑,本文主要结合实例对钻爆法开挖水工隧洞的施工方法进行了简要阐述,以总结类似工程施工中钻爆法的应用经验。 In the tunnel excavation construction, the application of drilling and blasting construction technology is characterized by economy, safety and high efficiency, and is especially suitable for the construction of water conservancy projects with complex geological conditions. From the content of hydraulic tunnel excavation construction technology, drilling and blasting excavation technology can provide technical support for better coping with the difficult problems of rock tunnel construction. This paper mainly carries out the construction method of hydraulic tunnel by drilling and blasting method A brief exposition is made to summarize the application experience of similar drilling and blasting methods in construction.