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首页> 外文期刊>Geotechnical and geological engineering >Probabilistic Inverse Analysis of Excavation-Induced Wall and Ground Responses for Assessing Damage Potential of Adjacent Buildings
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Probabilistic Inverse Analysis of Excavation-Induced Wall and Ground Responses for Assessing Damage Potential of Adjacent Buildings

机译：开挖引起的墙体和地面响应的概率反分析用于评估相邻建筑物的破坏潜力

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摘要

This paper presents an approach for the probabilistic inverse analysis of braced excavations based on the maximum likelihood formulation. Here, the soil parameters are updated using the observations of the maximum ground settlement and/or the maximum wall deflection measured in a staged excavation. The updated soil parameters are then used to refine the predicted wall and ground responses in the subsequent excavation stages, as well as to assess the building damage potential at the final excavation stage. Case study shows that the proposed approach is effective in improving the predictions of the excavation-induced wall and ground responses. More-accurate predictions of the wall and ground responses, in turn, lead to a more accurate assessment of the damage potential of buildings adjacent to the excavation. The proposed approach offers an effective means for a probabilistic inverse analysis of braced excavations.
机译：本文提出了一种基于最大似然公式的概率分析的支撑开挖。在这里，土壤参数使用在分阶段开挖中测得的最大地面沉降和/或最大墙体挠度的观测值进行更新。更新的土壤参数然后用于在后续开挖阶段中完善预测的墙和地面响应，以及评估在最终开挖阶段中建筑物的潜在破坏能力。案例研究表明，所提出的方法可有效改善对开挖引起的墙和地面响应的预测。反过来，对墙和地面响应的更准确的预测可以导致对与挖掘相邻建筑物的潜在破坏力进行更准确的评估。所提出的方法为支撑开挖的概率逆分析提供了一种有效的手段。

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