The roof of Nan-tong natatorium adopted the structure combined by arch and small rise/ span ratio truss and large overhanging steel-column.

• 南通游泳馆采用了弧形小矢跨比空间桁架与大悬挑钢柱共同作用的受力体系,体系新颖,外形优美,受力明确,性能优良。