Building method for mounting cantilever platform on preheating tower: Fid-Bau Portal

Building method for mounting cantilever platform on preheating tower

QI JI / WANG DONGPING

The invention discloses a construction method for mounting a cantilever platform. The construction method comprises the following steps that main inclined strut steel beams are mounted; a main body steel beam of a platform bottom frame is mounted; a pre-pulling steel wire rope is mounted; remaining components of the platform bottom frame are mounted; a platform upper frame is mounted; platform mounting is inspected; and the steel wire rope is removed. The construction method has the technical effects that the problems that in the mounting process of the cantilever platform of a preheating tower, the main body steel beam of the platform bottom frame of the cantilever platform is large in span and down-warping are solved, and the construction method is suitable for mounting of a steel structure similar to a cantilever structure, and has high practical value, and the advantages such as least input, easy and convenient operation, safety, reliability, and high applicability.

本发明一种安装悬挑平台的施工方法包括以下步骤：安装主斜撑钢梁，安装平台底部框架主体钢梁，安装预拉钢丝绳，安装平台底部框架的剩余构件，安装平台上框架，平台安装检查，移除钢丝绳。本发明的技术效果在于：解决了预热塔悬挑平台安装过程中，悬挑平台平台底部框架主体钢梁跨度较大下挠较大的问题，适用于类似悬挑结构的钢结构安装，具有较高的实用价值，和投入最少，操作简便，安全可靠，适用性强等优点。

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