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Liquefaction mitigation using secant piles wall under a large water tank

机译:使用大水箱下的割线桩墙减轻液化

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Two-dimensional and three-dimensional numerical models were developed to evaluate the effectiveness of a foundation perimeter wall on the mitigation of the effects of liquefaction in a 64 m diameter, reinforced-concrete water tank. The seismic response of the tank was evaluated in terms of differential settlements induced by an actual earthquake recording by comparing the situations with and without a mitigation strategy consisting of 20 m-long, 1 m-diameter secant piles wall. Although the mitigation strategy did not significantly reduce the liquefaction-induced settlements, it enforced a relatively homogeneous distribution of these settlements, leading to less structural damage. (C) 2015 Elsevier Ltd. All rights reserved.
机译:建立了二维和三维数值模型,以评估基础围墙在缓解直径为64 m的钢筋混凝土水箱中的液化影响方面的有效性。通过比较有和没有采用20 m长,1 m直径割线桩墙的缓解策略的情况,通过实际地震记录引起的差异沉降评估了储罐的地震响应。尽管缓解策略并未显着减少由液化引起的沉降,但它强制了这些沉降的相对均匀分布,从而减少了结构破坏。 (C)2015 Elsevier Ltd.保留所有权利。

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