1、I 摘摘 要要 中国铝业中州分公司选矿拜尔法扩建工程的实施建设，无论是对地方经济的发展，还是对 行业技术的促进，都具有重要的意义。 选矿拜尔法扩建工程输煤系统，包括输煤棚、移动式煤机轨道、火车道堆取料机轨道、皮 带输送机及其他配套设施组成。其中输煤棚总长378.9米，宽24米，采用126根预制柱，柱高11.6 米，基础深4.1米，结构形式为钢筋混凝土排架，柱采用预制钢筋混凝土柱，钢吊车梁，钢屋 架，预应力钢筋混凝土大型屋面板。 本文主要研究输煤系统的土建施工设计， 文章主要从基坑开挖与施工、 脚手架搭设与拆除、 预制构件生产及钢筋混凝土工程等几个方面进行了阐述，为实际工程的施工提供依据。 关键
2、词：关键词：输煤系统 钢筋混凝土排架 预制钢筋混凝土柱 钢屋架 II AbstractAbstract Chalco Plains Branch dressing Bayer building expansion project implementation, both for local economic development, or the promotion of industry technology, are of great significance. Bayer beneficiation of Coal Handling System Expansion Project, i
3、ncluding the coal shed, portable coal track, train track road reclaimer, belt conveyor components and other supporting facilities. Total length of 378.9 meters of which coal shed, 24 meters wide, with 126 precast columns, column height 11.6 meters, 4.1 meters deep foundation. the structure of reinfo
4、rced concrete bent, column using precast reinforced concrete columns, steel beam, steel roof trusses, prestressed Large concrete roof. In this paper, the civil construction of coal handling system design, text, mainly from excavation and construction, scaffold erection and dismantling, precast reinforced concrete engineering, production and several aspects were described as provide the basis for the actual works. Keywords: coal handling system; Reinforced Concrete Bent; precast reinforced
