免费看污黄视频软件_午夜麻豆精品无码_体育生爽擼又大又粗的雞巴的动漫_亚洲日韩av无码捆绑_了解最新91色在线观看国产_国产av美女黄网_亚州无码性生活视频_成人极品大片免费观看_91男人天堂影院_亚洲永久精品中文字幕

 
 
 
Beiganshan Mountain Gallery Bridge
Source:  Date:2015-07-29 17:20:09  Author:
 

2.jpg

Name: Beiganshan Mountain Gallery Bridge

Detail:Beiganshan Mountain gallery bridge at the eastern Beishan Park of the Tonghui Road, Xiaoshan District, is a landmark municipal structure for Xiaoshan District of Hangzhou, with a fully welded arch pipe-truss structure of its own. It is made up of five major sections, including steel arch rib, arch crown beam, advertisement truss frame, horizontal pipe connections, bridge platform and intersection platform of reinforcement concrete, in which approximate 1000 tons of steel pipes will be used. The pipe arch rib by steel pipes are structured as space truss system with regular triangle sections. It is a non-hinge arch system by 5 trusses of arch rib, with 193m net span and 40.8m of net arch height.


 
 
Copyright@2018Chao Feng Steel Group Co., Ltd.All rights reserved