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(山東同圓設(shè)計集團有限公司,濟南 250101)
[摘要]某五星級酒店位于青島西海岸人工填海區(qū),通過設(shè)置防震縫,將不規(guī)則建筑平面分為左、中、右3個塔樓。為增加中塔樓的抗扭剛度,并控制中塔樓因長寬比較大而導(dǎo)致的位移比超限,在中塔樓局部薄弱部位設(shè)置TJ型屈曲約束支撐;針對多項指標超限,對結(jié)構(gòu)采用性能化設(shè)計,對關(guān)鍵構(gòu)件及薄弱部位進行中震彈性或大震不屈服分析,并采取有針對性的加強措施;針對人工填海區(qū)潮汐變化的海水對結(jié)構(gòu)具有強腐蝕的特點,采取多道有效措施保證基礎(chǔ)及地下室底板的抗腐蝕及防裂性能。最終在滿足建筑功能和經(jīng)濟性的前提下,實現(xiàn)結(jié)構(gòu)設(shè)計的合理性和可靠性。
[關(guān)鍵詞]人工填海區(qū); 屈曲約束支撐; 性能化設(shè)計; 關(guān)鍵構(gòu)件; 抗腐蝕
中圖分類號:TU318文獻標識碼:A文章編號:1002-848X(2018)03-0062-06
Structural design of a five-star hotel in an artificial reclamation area
Hou Shuli, Xia Jitao, Liu Xiangyu, Bai Zongkun, Huang Xianghai, Jiang Shilin, Zang Chuanbo
(Shandong Tongyuan Design Group Co., Ltd., Jinan 250101, China)
Abstract:A five-star hotel is located on the west coast of Qingdao artificial reclamation area. The irregular building is divided into left tower, middle tower and right tower through the establishment of seismic joints. In order to increase the tower torsional stiffness and control the out-of-code displacement ratio due to large length width ratio, TJ-typed BRBs were set in the local weak parts of middle tower. For a number of out-of-code indicators, performance-based seismic design was conducted on the structure, and the elastic analysis under fortification earthquake and non-yield analysis under rare earthquake were conducted on key components and the weak parts, and corresponding strengthening measures were taken. According to the characteristics of strong corrosion on the structure due to artificial reclamation tidal changes in the seawater, multi-channel effective measures were taken to ensure the corrosion resistance and cracking performance of foundation and basement floor. Finally, the rationality and reliability of the structure design were realized under the premise of satisfying the building function and economy.
Keywords:artificial reclamation area; buckling-restrained brace(BRB); performance-based design; key component; corrosion resistance
作者簡介:侯書利,碩士,研究員,一級注冊結(jié)構(gòu)工程師,Email:410141483@qq.com。