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通过工程实例介绍了在排水工程施工中解决排水干管与双层暗涵连接这一难题的一种新办法———爆破法。这种方法克服了传统施工方法的许多缺点，具有显著的经济效益和社会效益。重点对这种施工方法的操作过程、技术要点和使用该方法应该注意的一些问题进行了介绍。
Through engineering examples, a new method to solve the problem of connecting the drain trunk with the double-layer hidden culvert in the construction of the drainage project is introduced—the blasting method. This method overcomes many shortcomings of traditional construction methods and has significant economic and social benefits. Focus on the operation process of this construction method, technical points and some problems that should be noted when using this method.