华安县“五馆一中心”复杂结构设计

华安县"五馆一中心"由东、西两个单体组成,各馆之间通过2层连廊和平台连接,各馆设1层地下室。项目场地南北高差9m,北侧室外地面在建筑地上2层楼面附近,南侧室外地面在地下室底板面。本工程结构设计存在建筑高度的判定、嵌固端的选择、结构设缝、南北侧土推力不平衡等问题;由于文体建筑的功能需要,主体结构存在平面不规则、竖向不规则、斜柱、穿层柱等多个不规则项。从结构体系和概念的角度,界定了建筑高度和嵌固端,进行了计算模型的简化,对关键构件进行性能化设计,对关键节点进行有限元分析,确保结构安全可靠。研究结果可为坡地建筑的超限结构设计提供参考。

Complex structure design of the"five halls and one center"in Hua'an County

The "five halls and one center" in Hua ′an County is composed of two monomer units in the east and the west. Each hall is connected by a corridor on the second floor and a platform.Each hall has a basement on the first floor. The elevation difference between the north and south side of the project site is 9 m. The outdoor ground on the north side is near the second floor of the building, and the outdoor ground on the south side is the basement floor. There are some problems in the structural design of this project, such as the determination of building height, the selection of fixed end, the installation of structural joints, and the imbalance of thrust force between north and south soil. Due to the functional needs of the recreational and athletic architecture, the main structure has several irregular items, such as plane irregular, vertical irregular, inclined column and layer-through column. Starting with the structural system and concept, the height and fixed end of the building were defined, the calculation model was simplified, and performance-based design of key components and finite element analysis of key nodes were carried out, so as to ensure the safety and reliability of the structure. The research results can provide reference for the design of over-limit structure of sloping buildings.