- 摘 要
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（深圳市力鵬工程結(jié)構(gòu)技術(shù)有限公司， 深圳 518034）
［摘要］對高層建筑抗震設(shè)計中的剪重比問題進行了討論，分析了場地類別對剪重比的影響， 提出了判斷基底剪重比是否滿足規(guī)范規(guī)定的β公式，指出規(guī)范對剪重比限值的規(guī)定中未考慮場地類別的影響是不妥的。對于不滿足規(guī)范要求的高層建筑，采用增大結(jié)構(gòu)剛度的方法來增大基底剪重比是難以奏效的，適宜的方法是通過周期折減系數(shù)來增大樓層地震剪力，當仍不能滿足規(guī)范要求時，將不滿足的樓層處的地震剪力按規(guī)范要求放大，以滿足規(guī)范要求。
［關(guān)鍵詞］高層建筑; 抗震設(shè)計; 剪重比; 限值
中圖分類號：TU318.1 文獻標識碼：A 文章編號：1002-848X(2014)06-0010-04
Shear-weight ratio study in seismic design of high-rise building structure
Wei Lian, Wei Chengji, Wang Sen
（Shenzhen Li Peng Structural Engineering Technology Co., Ltd., Shenzhen 518034, China）
Abstract: The problem of shear-weight ratio in seismic design of high-rise building structure was discussed. The influence of site category on shear-weight ratio was analyzed and the formula β was provided to judge whether the shear-weight ratio meets the code requirements. The influence of site category on shear-weight ratio limit value in the code is not considered, which is inappropriate. For the high-rise buildings, the floor seismic shear of which can not meet the code requirements, the increment of the structure rigidity to raise the shear-weight ratio is unacceptable. The suitable method is to reduce the period reduction factor rationally to enlarge the floor seismic shear force to meet the code requirements. When the floor seismic shear force still can not meet the requirements, the floor seismic shear forces of small values should be enlarged according to the code to meet the requirements.
Keywords: High-rise building; seismic design; shear-weight ratio; limit value
作者簡介：魏璉，研究員，Email：wl2002111@163.com。
參考文獻
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