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An Assessment of Seismic Floor Accelerations in Wood Shear Wall Buildings

机译:木材剪力墙建筑物地震楼层加速度评估

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This paper is focused on assessing the earthquake induced horizontal floor accelerations in wood shear wall buildings. While building design codes have provisions for estimating horizontal seismic design force that might occur at different story levels in a building, these procedures are empirical and do not differentiate between various types of structural systems. The research discussed in this paper evaluates the floor acceleration demands in a variety of FEMA P-695 wood-frame shear wall index models, with different damping levels and earthquake ground motion characteristics. These computed floor acceleration demands are compared against the different design demands for rigid and flexible non-structural components as recommended in the seismic design provisions of ASCE 7. The results from this study show that for the wood-frame index models studied, maximum floor accelerations frequently occurred at first floor level, which is different than the height-wise distribution of acceleration demands computed using ASCE 7 design provisions.
机译:本文重点是评估地震诱导的木剪力墙墙壁建筑物的水平地板加速度。在构建设计代码的同时,有用于估算在建筑物中不同故事水平的水平地震设计力的规定,这些程序是经验的,并且不区分各种类型的结构系统。本文讨论的研究评估了各种FEMA P-695木框架剪力墙指数模型的地板加速要求,具有不同的阻尼水平和地震地面运动特性。这些计算的地板加速要求与锐利设计规定的建议在ricid和柔性非结构部件的不同设计需求中进行比较。本研究结果表明,对于研究的木框架指数模型,最大地板加速度经常发生在第一楼级,这与使用ASCE 7设计规定计算的加速要求的高度明智的分布不同。

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