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1985年12月13日晚江苏油田某厂一户家属住宅内发生天然气爆炸,建筑物遭到严重破坏,但没有倒塌和伤人。该建筑是一幢二层砖混结构、内楼梯、空心板楼盖、瓦屋面。天然气爆炸后该建筑的破坏情况大致是:绝大部分窗扇被冲开,有的飞出室外5m远;外砖墙向外倾斜,中间部位往外鼓;钢筋混凝土圈梁往外闪出约5cm,但未断裂;构造柱与纵墙锚固
On the evening of December 13, 1985, a natural gas explosion occurred in a family house of a factory in Jiangsu Oilfield. The building was severely damaged but it did not collapse or hurt. The building is a two-story brick-concrete structure, an inner staircase, a hollow slab floor, and a tile roof. After the explosion of natural gas, the destruction of the building was roughly as follows: most of the sashes were blown open, and some of the sashes were thrown out 5m away from the outside; the outer brick wall was tilted outwards, and the middle part was outwardly drummed; the reinforced concrete ring beam flashed about 5cm outward, but Unbroken; structural column and longitudinal wall anchoring