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首页> 外文期刊>Wood and Fiber Science >MONOTONIC AND CYCLIC LOAD TESTING OF PARTIALLY AND FULLY ANCHORED WOOD-FRAME SHEAR WALLS
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MONOTONIC AND CYCLIC LOAD TESTING OF PARTIALLY AND FULLY ANCHORED WOOD-FRAME SHEAR WALLS

机译：部分和完全锚固木框架剪力墙的单调和循环荷载测试

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摘要

The objectives of this study were to evaluate the performance of wood-frame shear walls under monotonic and cyclic loads by: 1) determining variability of shear wall performance; 2) comparing performance of walls under each loading protocol; 3) evaluating effects of anchorage on wall performance; and 4) evaluating performance of walls qualitatively and quantitatively with respect to code-defined performance measures. Sets of tests consisting of eight partially and two fully anchored walls were conducted using both the ASTM E564 monotonic protocol and CUREE cyclic-test protocol for ordinary ground motions for a total of 20 walls. Statistical comparisons of parameter variance and mean values were made between partially anchored walls tested under different protocols and performance comparisons were made between partially and fully anchored walls. Cyclic tests on partially anchored walls generally exhibited a coefficient of variation that was lower than for monotonic tests. Failure mode of fully anchored walls was different than that for partially anchored walls because hold-downs changed the load path. Comparison of test results with ASCE 41 m-factors suggests that ductility of partially anchored walls is below the acceptance criteria for shear walls with structural panel sheathing.
机译：这项研究的目的是通过以下方法评估木结构剪力墙在单调和周期性荷载下的性能：1）确定剪力墙性能的变化性; 2）比较每种加载方案下墙体的性能; 3）评估锚固对墙体性能的影响;和4）相对于代码定义的性能指标，定性和定量地评估墙的性能。使用ASTM E564单调协议和CUREE循环测试协议对普通的地面运动进行了由八个部分锚固和两个完全锚固的墙组成的一组测试，共计20个墙。在不同协议下测试的部分锚固墙之间进行参数方差和平均值的统计比较，并在部分锚固墙和完全锚固墙之间进行性能比较。对部分锚固的墙进行的循环测试通常显示出的变异系数低于单调测试的变异系数。完全锚固墙的破坏模式与部分锚固墙的破坏模式不同，因为压紧改变了荷载路径。测试结果与ASCE 41个m因子的比较表明，部分锚固墙的延性低于带有结构面板护套的剪力墙的可接受标准。

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