基于点估计法的循环荷载下土体沉降简化概率分析

Q4 Environmental Science

Archives of Hydroengineering and Environmental Mechanics Pub Date : 2016-12-01 DOI:10.1515/heem-2016-0008

J. Przewłócki, J. Górski, W. Świdziński

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引用次数: 1

摘要

摘要本文研究了循环荷载作用下非粘性土层沉降的概率分析。原来，沉降评估是基于确定性压实模型，这需要一组微分方程的积分。然而，利用贝塞尔函数，可以用简化的算法计算土层的沉降。压实模型参数取自土耳其伊兹米特湾附近的底土样品。对不同的随机变量集进行了计算。采用点估计方法，并用蒙特卡罗方法对结果进行了验证。所得结论可用于地震荷载作用下土体沉降的预测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Simplified Probabilistic Analysis of Settlement of Cyclically Loaded Soil Stratum by Point Estimate Method

Abstract The paper deals with the probabilistic analysis of the settlement of a non-cohesive soil layer subjected to cyclic loading. Originally, the settlement assessment is based on a deterministic compaction model, which requires integration of a set of differential equations. However, with the use of the Bessel functions, the settlement of a soil stratum can be calculated by a simplified algorithm. The compaction model parameters were determined for soil samples taken from subsoil near the Izmit Bay, Turkey. The computations were performed for various sets of random variables. The point estimate method was applied, and the results were verified by the Monte Carlo method. The outcome leads to a conclusion that can be useful in the prediction of soil settlement under seismic loading.

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来源期刊

Archives of Hydroengineering and Environmental Mechanics Environmental Science-Water Science and Technology

CiteScore

1.30

自引率

0.00%

发文量

期刊介绍： Archives of Hydro-Engineering and Environmental Mechanics cover the broad area of disciplines related to hydro-engineering, including: hydrodynamics and hydraulics of inlands and sea waters, hydrology, hydroelasticity, ground-water hydraulics, water contamination, coastal engineering, geotechnical engineering, geomechanics, structural mechanics, etc. The main objective of Archives of Hydro-Engineering and Environmental Mechanics is to provide an up-to-date reference to the engineers and scientists engaged in the applications of mechanics to the analysis of various phenomena appearing in the natural environment.