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首页> 外文会议>Conference on Performance-Based Seismic Design of Concrete Buildings: State of the Practice >Seismic Shear Force Amplification in Concrete Shear Walls for Buildings Under 240'(73m)- Performance Based Seismic Design vs Code Level Design
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Seismic Shear Force Amplification in Concrete Shear Walls for Buildings Under 240'(73m)- Performance Based Seismic Design vs Code Level Design

机译：240'（73M）下建筑物混凝土剪力墙中的地震剪切力放大 - 基于性能的地震设计VS码级设计

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Performance based seismic design (PBSD) has been widely used for tall buildings as a code alternative design method for concrete shear wall structures. However, most PBSD studies are done for buildings taller than 240" (73 m). Very few studies have been done for buildings shorter than 240' (73 m) because PBSD is not required for buildings under 240' (73 m). It is unclear if and how the shear demand increases observed in typical PBSD analysis should be applied to buildings shorter than 240' (73 m). This study includes two buildings in the Seattle area that are designed per current codes. The study compares the shear demands predicted by the elastic analysis method with the demands predicated by the nonlinear time history analysis used in PBSD method. The intent of this study is to examine the merits of the new Seattle requirement using fio factor to amplify the shear demand for buildings designed at code level and for the building height in the range of 160' (48.8 m)-240" (73 m). It also explores the proper § factor to be used in ACI 318 to determine the shear wall capacity.
机译：基于性能抗震设计（PBSD）已被广泛用于高层建筑作为混凝土剪切壁构造的代码替代设计方法。然而，大多数PBSD研究对于建筑高度超过240" （73米）完成的。很少有研究已为建筑超过240' 短（73米），因为PBSD不是240' 所要求的建筑（73米）完成的。它还不清楚是否以及如何在典型PBSD分析中观察到的剪切需求的增加，应适用于建筑物超过240' 短（73米）。本研究包括在被每当前规范设计西雅图地区两座建筑物。该研究比较了剪切需求通过在PBSD方法所使用的非线性时程分析预测的需求弹性分析方法预测，其目的本研究是利用FIO因素放大在代码级别设计的建筑物剪切需求研究的新西雅图需求的优点和用于建筑物高度在160' 的范围内（48.8米）-240" （73米）。它还探讨在ACI 318要使用的适当的§因子来确定剪力墙容量。

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