赖庆文，  周  卫，  陈获屹，  杨通文
    (贵州省建筑设计研究院，贵阳550002)

[摘要] 凉都体育中心包括体育场和体育馆，下部采用钢筋混凝土框架结构，体育场罩蓬采用立体管桁架结构，体育馆屋盖采用网壳结构。体育场下部超长混凝土采用底部楼层分缝而上部楼层连接的方法控制温度应力，对体育场屋盖长悬挑钢结构和体育馆屋盖网壳结构进行了刚性模型和数值模型的风洞试验以确定风荷载计算参数。通过MIDAS软件对屋盖结构体系进行受力、变形、模态和屈曲分析，根据计算结果对体育场加设了屋面平面桁架支撑，对体育馆采用了局部三层网壳结构，改进了体育场和体育馆屋盖结构受力体系，优化了结构性能。基础设计采取了有效措施解决了岩溶强发育地区桩基设计的困难。
[关键词] 超长混凝土结构；温度缝；长悬挑；立体管桁架；网壳；风洞试验；岩溶发育；桩基础
中图分类号：TU318    文献标识码：A    文章编号：1002-848X(2011) Sl-0762-06

Structural design of Liangdu Sports Center
    Lai Qingwen, Zhou Wei, Chen Huoyi, Yang Tongwen
    ( Guizhou Province Architectural Design and Research Institute,  Guiyang 550002,  China)

Abstract: Liangdu Sports Center is composed of a stadium and a gymnasium. Reinforced concrete frame and spatial truss were used in the stadium, and latticed shell was used in the gymnasium. The design measures that only sets seams at the bottom of stadium and connects the upper structure were used to control temperature stress of super-long reinforced concrete. Wind tunnel test and numerical simulation were camed out to determine parameters for wind effects calculation of the cantilever spatial truss and the latticed shell. The structural performance of the stadium was optinuzed by improving the arrangement of the X-type intersecting plane tube truss brace and the gymnasium was optimized by using partial triple-layered latticed shells based on the analysis and summary on the results of force analysis, deformation analysis, modal analysis and buckling analysis, which were computed by MIDAS software. Design measures had been applied to solve the difficulties of the pile foundations with terrain fluctuation and deep fill in developed karst mountainous area.
Keywords: super-long reinforced concrete structure; temperature joint; large cantilever; spatial truss; latticed shell; wind tunnel test; karst development; pile