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林宇，何翀，陳德良

（成都基準(zhǔn)方中建筑設(shè)計(jì)有限公司， 成都 610031）

［摘要］為了探究低位連體結(jié)構(gòu)的連廊對(duì)塔樓剛度、周期、振型、扭轉(zhuǎn)等動(dòng)力特性的影響以及罕遇地震下整體結(jié)構(gòu)的損傷、連體部位的樓板應(yīng)力情況，對(duì)某工程在多遇地震及罕遇地震下的響應(yīng)進(jìn)行了研究。計(jì)算結(jié)果表明：采用剛性連接的連接體具備足夠的剛度時(shí)，連接體能夠有效地協(xié)調(diào)塔樓的側(cè)向變形，增加結(jié)構(gòu)整體剛度；在罕遇地震下，連接體所在層的相鄰上下層的損傷較其他樓層要大，需對(duì)其相應(yīng)加強(qiáng)，雖然低位連體的樓板應(yīng)力相對(duì)較小，但仍需對(duì)連接體所在層及其相鄰上下層的梁和樓板進(jìn)行構(gòu)造上的加強(qiáng)，以保證連接體的水平力得到有效傳遞。

［關(guān)鍵詞］低位連體結(jié)構(gòu)； 剛性連接； 樓板應(yīng)力； 連廊

中圖分類號(hào)：TU973文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2016)01-0087-05

Analysis on the influence of joint gallery in low connected structure to main towers

Lin Yu, He Chong, Chen Deliang

(JZFZ Architectural Design Co., Ltd., Chengdu 610031, China)

Abstract:In order to study the effects of joint gallery in low connected structure on main towers, including stiffness, period of tower, vibration mode, torsion and other dynamic properties, as well as the damage of whole structure and slab stress of joint gallery under rare earthquake, the analyses of a project were carried out under frequent earthquake and rare earthquake. The results show that if the stiffness of joint gallery (rigid coupling) is enough, the lateral deformation of main tower can be effectively coordinated and the stiffness of whole structure can be enhanced. In the case of rare earthquake, the damage of the upper and lower floors which neighbor the joint gallery connection floor is more serious that need correspondingly reinforced; though the slab stress of joint gallery in low connected structure is small, some construction measures should be used in the slabs and beams of the joint gallery connection floor and its neighboring upper and lower floors to ensure the horizontal stress of joint gallery transferred effectively.

Keywords:low connected structure； rigid connection； slab stress； joint gallery

作者簡介：林宇，學(xué)士，工程師，Email:yu-fengxuebingling@163.com。