load on the chord 弦杆荷载
The ceiling system should satisfy these requirements that using lower chord ball as fixed point, adapting space change of hyperboloid steel grid, grid settlement under snow load.
其天花体系要满足以屋面网架下弦球为固定点和适应双曲面的空间变化、网架雪荷载作用下沉、热胀冷缩等变形运动。
Concrete was poured in separately from mid-span of arch slab to the supports and then from the supports to the top chord of the arch chord so as to balance the pouring load.
分两组由拱板下弦跨中同时向拱板支座浇筑混凝土，然后从拱板支座连续沿拱板上弦向中间合龙，使浇筑荷载相对均衡。
The chord and web members are all seamless steel tube. The ANSYS software is used to analyze the structure bearing capcity under main load combinations.
采用ANSYS软件，对结构在各主要荷载组合工况下的结构受力进行了分析，结果表明，结构受力合理，构件强度满足要求。
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