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长沙冰雪世界项目依附废弃的矿坑建造,结合建筑师对造型的要求,利用深坑坑壁为岩体的地质条件,主体结构采用支承于矿坑坑壁的三组拱形桁架结构体系,拱形桁架最大跨度为180m。介绍了项目的工程概况、采用平面拱拟合曲面结构的确定过程、拱形桁架及其稳定系统的选型、拱脚基础与岩体的关系及其处理方式等内容,并结合工程特点详细阐述了在复杂边界条件下利用逆吊法进行形态创建的原理与流程。
Changsha Ice and Snow World project relies on the construction of abandoned mines. Combining with the architect’s requirements for the modeling, the deep pits and pit walls are used for the geological conditions of the rock mass. The main structure adopts three groups of arched truss structure systems supported by pit walls, The maximum span is 180m. This paper introduces the general situation of the project, the process of determining the fitting structure of the plane arch, the selection of the arch truss and its stability system, the relationship between the arch base and the rock mass and its treatment methods, and then elaborates on the engineering features in detail In the complex boundary conditions, the use of reverse hanging method to create the principle and process.