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(一) 工程概况某炼钢厂位于唐山市东北角隅,1976年经受地震烈度为十度,该厂是由侧吹碱性转炉车间改建而成。浇钢跨设有两台75吨/15吨和三台30吨/5吨吊车,加料跨有两台100吨/40吨/5吨和两台15吨/3吨吊车,均属重级工作制。浇钢跨屋顶设置井式天窗。加料跨采用纵向矩形天窗。围护墙用预应力钢筋混凝土墙板和部分瓦楞铁板。钢吊车梁。钢筋混凝土斜腹杆双肢柱。钢筋混凝土单独基
(I) Project Overview A steel plant is located in the northeast corner of Tangshan City. In 1976, it suffered an earthquake intensity of ten degrees. The plant was converted from a side-blowing alkaline converter workshop. There are two 75 ton/15 ton steel cranes and three 30 ton/5 ton cranes in the steel span. There are two 100 ton/40 ton/5 ton and two 15 ton/3 ton cranes. system. Well-glazed skylights are installed across the steel roof. Vertical rectangular skylights are used for feeding. Prestressed reinforced concrete wall panels and partial corrugated iron sheets are used for the retaining wall. Steel crane beam. Reinforced concrete diagonal rod double limbs. Reinforced concrete base alone