大型火力发电厂圆形煤场钢栈桥安装技术

Thermal power plant circular coal storage erection technology

在大型火力发电厂施工中,圆形煤场钢栈桥跨度、安装高度和重量均超一定规模,其安装往往成为制约工程顺利进行的关键。从吊装方案比选、钢栈桥分段位置设置、安装场地布置、吊装钢丝绳验算和分段吊装工艺等方面进行阐述,全面介绍了圆煤场栈桥的安装方法,并指出了钢栈桥分段吊装时须注意事项。

In power plant construction,the erection of circular coal storage is critical for the whole project if the steel trestle span,erection height and weight over a certain scale. Erection plan,including lifting plan,steel trestle segment,erection site arrangement,lifting steel rope calculation and sectional lifting plan,was introduced. Matters about sectional lifting needs attention was pointed out.