某厂一栋大型厂房,因严重腐蚀,威胁邻近厂房及过往行人安全。湘潭锰矿立新分矿与安全环保部门的工程技术人员用控制爆破进行拆除,取得了预期的效果。一、厂房概况该厂房爆破时房顶已拆除,长73m,宽20m、高15m,外侧为厚26cm 的水泥砂浆砌筑的红砖墙,内侧沿长度方向有钢筋混凝土行车梁立柱26个,沿宽度方向有两个钢筋混凝土立柱和两个砖柱,上部行车梁互相连接,红砖墙沿高度方向有三道钢筋混凝土围 A large factory in a factory was seriously corroded and threatened the safety of neighboring factories and pedestrians in the past. The project technicians of the Lixin Mine of Xiangtan Manganese Mine and the safety and environmental protection department were demolished with controlled blasting and achieved the expected results. I. Overview of the factory building The factory had been demolished when the factory was demolished, with a length of 73m, a width of 20m and a height of 15m. The outer side was a red brick wall with a thickness of 26cm of cement mortar, and there were 26 columns of reinforced concrete traffic beams along the length of the inside. There are two reinforced concrete columns and two brick columns in the width direction. The upper carriage beams are connected to each other. The red brick walls have three reinforced concrete walls along the height direction.