超高变径烟囱工程无井架液压滑模施工技术  

Construction of Non-derrick Hydraulic Sliding Formwork of Super-high Variable Diameter Chimney Engineering

作　　者：王纯岩 

机构地区：[1]中国二十冶集团有限公司,上海201900

出　　处：《施工技术（下半月）》2012年第3期64-69,80,共7页Construction Technology

摘　　要：结合梅钢1780热轧项目烟囱工程实例,从施工设施、施工工艺到关键工序的质量控制,对超高变径烟囱工程施工所采用的无井架液压滑模施工技术进行了详细阐述。重点介绍了施工平台组装、荷载试验、筒身及内衬施工、航空标志施工、操作平台拆除等施工工艺。同时指出应重点控制模板收分时中心点校正、中心位移、平台扭转失稳、混凝土水平裂缝及断裂、混凝土表面缺陷等,并给出解决措施。Combining with the practice of chimney engineering in Meisteel 1780 hot rolling project,the construction technology of non-derrick hydraulic sliding formwork of super-high variable diameter chimney engineering is indicated in detail from construction facilities,construction technology and quality control for key sequence.The construction technologies of platform assembly,loading test,construction for tube body,liner and aviation mark,operation platform demolition are introduced.It is pointed out that the centre point correction while formwork closing and opening,center displacement,platform instability,horizontal cracks and surface defects of concrete should be controlled mainly,and corresponding solving methods are put forward.

关 键 词：烟囱 模板 液压滑模 无井架 平台 施工技术 

分 类 号：TU755.2[建筑科学—建筑技术科学]