■ Project name: main structure project of coal shed grid structure of the first phase coal yard closed reconstruction project of Tianji Power Plant of Huaihu Coal and Electricity Co., Ltd.;

■ Project site: Tianji Power Plant, panji district, Huainan, Anhui;

■ Structure type: double-layer cylindrical shell with square pyramid bolt ball joint;

■ Project Description: The horizontal projection size of the coal shed is 200m (length) ×97m (span), the elevation of the highest point is 30.971m, and the construction area is 19,400m2.