Abstract：A new type of spatial cable-strut structure called wheel-spoke crossed cable structure (WSCCS), which is originated from traditional wheel-spoke cable structure (WSCS), is proposed. WSCCS is composed of two-layer outer looped beams, two-layer inner looped cables, inner looped struts, crossed radial bearing cables, crossed radial stable cables, and linked cables (or struts). The crossed radial cables can decrease the structural height, and increase the torsional rigidity. Also spatial valley effect caused by these cables in WSCCS shall be beneficial to roof drainage. Based on different structural forms for inner looped struts, WSCCSs can be divided into two different structural types, which are, WSCCSs with vertical struts and WSCCSs with herringbone struts. Analysis on prestressing force distribution of WSCCSs is conducted based on the equilibrium equation of each nodal point, and some calculation equations are derived. Moreover, the mechanical characteristic of WSCCSs are compared with that of WSCSs under prestressing condition, considering different structural height of inner loop and different height difference between inner loop and outer loop. The results show that WSCCSs have those characteristics such as small structural height, good global structural rigidity and reasonable load carrying path, indicating that WSCCSs have broad application prospects in stadiums.
胡宗羽 王俊 赵基达 . 轮辐式交叉索结构构形研究及其预应力态分析[J]. 土木工程学报, 2017, 50(9): 8-15.
Hu Zongyu Wang Jun Zhao Jida. Study on structural types and prestressing force distribution of wheel-spoke crossed cable structures. 土木工程学报, 2017, 50(9): 8-15.
