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围绕某圆形煤场120.8 m跨度球面网壳结构,研究了杆件布置对结构的影响,发现增加斜杆可以明显地增加结构刚度;研究了风荷载和地震作用对网壳的影响,发现基本风压小于0.6 k N/m2或地震烈度小于8度时,二者的变化对网壳耗钢量影响较小;研究了结构布置、厚度与耗钢量的关系、结构的动力特性和抗震性能、结构的整体稳定性。涵盖了该类型结构设计需要注意的几个主要方面,并提出设计建议。
Around 120.8 m span spherical reticulated shell structure in a round coal yard, the influence of the arrangement of the bars on the structure is studied. It is found that the increase of diagonal bars can obviously increase the structural rigidity. The effects of wind load and earthquake on the reticulated shell are studied, When the wind pressure is less than 0.6 kN / m2 or the seismic intensity is less than 8 degrees, the changes of both have little effect on the steel consumption. The relationship between structure layout, thickness and consumption of steel, dynamic characteristics and seismic performance , The overall stability of the structure. It covers several main aspects to be noticed in this type of structure design and puts forward design suggestions.