西安曲江电竞中心改造设计
引用文献：
丁惠勇 马牧 张奎 周志明. 西安曲江电竞中心改造设计[J]. 建筑结构，2022，48（11）：134-140.
DING Huiyong MA Mu ZHANG Kui ZHOU Zhiming. Reconstruction design of Xi'an Qujiang E-sports Center[J]. Building Structure，2022,48（11）：134-140.
摘要：已建地下室的综合馆因上部建筑方案变更后现设计为西安曲江电竞中心，原综合馆仅地下室施工完成，考虑已建结构的特点、施工工期等因素，上部结构方案经比选后选用混凝土柱+钢梁的混合框架结构体系。混凝土柱与钢梁之间采用改进的柱贯通梁组合节点形式，并采用有限元软件进行抗震性能分析。结果表明：改进的柱贯通梁组合节点极限位移角为1/40,变形能力较好；混凝土柱与环加劲板、钢梁的刚度相差较大，加载后期，核心区混凝土损伤严重，因而结构耗能能力一般。在原地下室框架柱上部通过布置摇摆柱来解决新增混凝土柱的弯矩传递和无法植筋问题，给出了摇摆柱的上部和柱脚节点做法。对局部楼板大开洞区域进行应力对比分析，设置连接板带来保证楼板的水平力传递；在原地下室上部新增混凝土柱时，通过对原地下室框架柱增大截面后在其周围植筋，保证竖向荷载的传递。
关键词：西安曲江电竞中心；混合结构；组合节点；摇摆柱；改造设计
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[4] KHODABANDEHLO A,KAZEMI M T.Seismic behavior and study of RCS composite frame composed of steel beams and strong concrete column[J].Civil and Environmental Engineering,2019,15(2):142-153.
[5] 杨建江，郝志军.钢梁-钢筋混凝土柱节点在低周反复荷载作用下受力性能的试验研究[J].建筑结构，2001,31(7):35-38,42.
[6] 申红侠，顾强.钢梁-钢筋混凝土柱梁柱中节点非线性有限元模拟[J].工程力学，2009,26(1):37-42,48.
[7] 聂建国，王宇航.ABAQUS中混凝土本构模型用于模拟结构静力行为的比较研究[J].工程力学，2013,30(4):59-67,82.
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Reconstruction design of Xi'an Qujiang E-sports Center
Abstract: The comprehensive hall of the built basement is now designed as Xi'an Qujiang E-sports Center after the change of the upper building scheme. The original comprehensive hall is only completed in the basement construction, considering the characteristics of the built structure, the construction period and other factors, the upper structure scheme was selected as the hybrid frame structure system of concrete columns & steel beams after comparison and selection. The modified column through beam composite joint form was adopted between the concrete column and the steel beam, and the seismic performance analysis was carried out by finite element software. The results show that the limit displacement angle of the modified column through beam composite joint is 1/40, and the deformation ability is better. The stiffness of the concrete column and the ring stiffener plate and steel beam is quite different, and the concrete damage in the core area is serious in the late loading period. So the structural energy consumption capacity is average. In the upper part of the original basement frame column, the bending moment transmission and non-reinforcement problem of the new concrete column were solved by arranging the swing column. And the upper part and the column foot node of the swing column method were given. The stress comparison analysis was carried out on the large opening area of the local floor slab. The setting of the connecting plate ensured the horizontal force transmission of the floor slab. When the concrete column was added in the upper part of the original basement, the vertical load was guaranteed by increasing the cross-section of the original basement frame column and planting ribs around it.
Keywords: Xi'an Qujiang E-sports Center; hybrid structure; composite joint; swing column; reconstruction design
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