【摘要】 介绍了一座42m高铁路桥桥墩爆破拆除的实例。为确保爆破时不对桥墩下部桥台及周边建(构)筑物造成影响,根据桥墩的结构特征和环境条件,通过采取合理布置切口、开凿定向窗和导向窗、预切割支撑区受拉钢筋等技术措施,使爆破拆除取得了圆满成功。可为同类工程提供参考。更多还原

【Abstract】 In this paper,a blasting project of demolishing a high railway bridge pier of 42m was introduced.In order to protect the abutment of the pier and the other structures nearby,some effective measures were taken based on the features of the pier structure and its surrounding,such as the proper blasting cut position,precisely orientated openings,the careful design and construction of the steel bars pre-cutting.The success of this project showed that the experience could be consulted by the engineering of the similar.更多还原