【正文】
剪力)及搭接柱變形就能受到控制,整個搭接柱轉(zhuǎn)換結(jié)構(gòu)就能正常工作。按《高規(guī)》驗(yàn)算結(jié)構(gòu)抗覆和整體穩(wěn)定;采用現(xiàn)澆鋼筋混凝土樓板,增強(qiáng)結(jié)構(gòu)整體性;核心筒內(nèi)部樓板厚采用150ram,雙層雙向配筋;圍護(hù)材料選用新型輕質(zhì)材料,有利于減輕建筑自重,減小地震反應(yīng)。對這類結(jié)構(gòu)的關(guān)鍵部位仍須采取加強(qiáng)措施。高位轉(zhuǎn)換時還應(yīng)注意對整體結(jié)構(gòu)進(jìn)行重力荷載下施工模擬計(jì)算。對平面為長矩形的建筑,落地剪力墻的數(shù)目應(yīng)多于全部橫向剪力墻數(shù)目的一半。2)盡可能減少需結(jié)構(gòu)轉(zhuǎn)換的豎向構(gòu)件,直接落地的豎向構(gòu)件越多,轉(zhuǎn)換結(jié)構(gòu)越少,轉(zhuǎn)換層造成的剛度突變就越小,對結(jié)構(gòu)抗震更有利。對部分框支剪力墻高層建筑結(jié)構(gòu),其轉(zhuǎn)換層的位置, 7度區(qū)不宜超過第5層。轉(zhuǎn)換大梁的受力主要受上部剪力墻剛度、剪力墻與轉(zhuǎn)換大梁的相對剛度和轉(zhuǎn)換大梁與下部支撐結(jié)構(gòu)的相對剛度影響。其優(yōu)點(diǎn)為傳力直接、明確,傳力途徑清楚,受力性能好,構(gòu)造簡單,施工較方便,設(shè)計(jì)計(jì)算較容易,是目前應(yīng)用最廣的轉(zhuǎn)換層結(jié)構(gòu)型式。中部則需要較小的或中等大小的室內(nèi)空間,可以在柱網(wǎng)中布置一定數(shù)量的墻體以滿足辦公用房的功能要求。關(guān)鍵詞:高層建筑;梁式轉(zhuǎn)換層;結(jié)構(gòu)設(shè)計(jì);剪壓比Designand Analysis of HighriseBuildingwith Transfer Floor StructureNanjing GaoKe Construction and development Co., Ltd Yan ShuaiAbstract:The highrise building with transfer floor structurehad plex forces,the paper is bined with a highrise mercial and residential construction example,brief highrise building with transfer floor structure, construction and design method of the transfer floor structure. Described in detail the structure of highrise buildings with transfer floor structure of a variety of type, the structure of transmission mechanism, structure and calculation of design features, design details and optimized results for specific data analysis and evaluation.Key words: highrise building。 shear pression ratio1概述現(xiàn)代高層建筑正向體型復(fù)雜、功能多樣、造型新穎的方向發(fā)展。由于高層建筑結(jié)構(gòu)下部樓層受力很大,上部樓層受力較小,正常的結(jié)構(gòu)布置應(yīng)是下部剛度大、墻體多、柱網(wǎng)密,而到上部則逐漸減少墻體及柱的布置,以擴(kuò)大柱網(wǎng)。為了使理論假定和與實(shí)際相符,可在轉(zhuǎn)換梁梁頂和梁底同時設(shè)一層樓板,形成