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1982年7月1日,在长沙拖拉机配件厂内,在相邻建筑物汉2.85米远的条件下,用控制爆破(简称“控爆”) 方法成功地爆塌了一座高19.2米、重175吨的钢筋混凝土框架。并用测震仪器和声级计对爆塌过程的地面震动和爆破噪声进行了量测。湖南省电视台采访并播放了这次控爆。一、框架环境与结构特征该框架系原型铸车间,1958年所建,位于正在改建的两跨18米车间北侧,北临城市公路,距市内通讯电缆8米,离红瓦屋面仓库2.85米;东西两侧5米是改建留用的砖墙
On July 1st, 1982, at the Changsha Tractor Fittings Factory, under the condition that the neighboring building was 2.85 meters away, a 19.2 meter high and 175 meters in height was successfully collapsed by controlled blasting (abbreviated as “controlled explosion”). Tons of reinforced concrete frame. The ground vibration and blasting noise during the collapse process were measured using a seismometer and a sound level meter. Hunan TV interviewed and broadcasted the explosion. First, the framework of the environment and structural characteristics of the framework of the prototype casting shop, built in 1958, is located in the reconstruction of the two-span 18 meters north of the workshop, north of the city highway, 8 meters away from the city’s communications cable, 2.85 from the red tile roof warehouse m; 5m on both sides of the east and west are converted bricks