利用桥自身结构,考虑周围环境,合理设计爆破方案,成功地实现了桥梁原地坍塌拆除的目的。介绍了拆除爆破方案的设计和施工过程,给出了一些有益的思路和相关技术参数。 Taking advantage of the structure of the bridge itself, considering the surrounding environment and designing a blasting scheme reasonably, the bridge has been successfully collapsed and demolished. The design and construction of demolition blasting scheme are introduced, and some useful ideas and relevant technical parameters are given.