日韩人妻无码一区二区三区久久99_日韩精品一区二区三区中文在线_无码日韩精品一区二区免费_久久久91精品国产一区二区三区_亚洲精品久久久一区黄无码_精品欧美一区二区在线观看欧美熟_精品一区二区高清免费观看_国产免费一区2区3区_国产日韩精品福利视频综合一区二区三区四区

Guangzhou Steel support which requests should fit?

Guangzhou Steel support which requests should fit?

1. Guangzhou Steel components can be used to support the convergence of high-strength weld or bolt adapter;
2. Waist beam convergence node should be set at the support point adjacent to, and should not exceed 1/3 of the distance support;
3. Steel beam waist and row of piles, should choose between underground successive wall not less than C20 fine aggregate concrete infill; convergence node steel and steel support beam waist should be set stiffener.