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首页> 外文期刊>Canadian Geotechnical Journal >Monitoring and numerical investigation of a rigid inclusions-reinforced industrial building
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Monitoring and numerical investigation of a rigid inclusions-reinforced industrial building

机译：刚性夹杂物加固工业建筑的监测和数值研究

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This paper describes a case history of a pile-supported industrial structure with an area improvement ratio of 2.2%. Field-monitored data from the contact pressures acting on the pile, the mattress, and underneath the concrete slab; pore-water pressures; settlements; and vertical strains in the inclusions are reported and discussed. The case history is back-analyzed by performing a three-dimensional (3D) finite difference analysis. The measured and computed results are compared and discussed. Based on the field observations of the contact stresses and pore-water pressures and the numerical simulations of the industrial structure construction, it is clear that there was a load transfer from the soil to the piles due to soil arching. The measured contact pressure acting on the pile was approximately six times higher than that acting on the soil located between the piles. Numerical predictions of the stress reduction, differential settlement, and pile strain are consistent with the measured values during construction of the industrial structure. This concurrence of the numerical and experimental data permits evaluation of these behaviors at the end of the industrial building construction.
机译：本文介绍了具有2.2％面积改进率的桩支撑工业结构的案例。现场监测的数据来自作用在桩，床垫和混凝土板上的接触压力;孔隙水压力;定居点;报告和讨论了夹杂物中的垂直应变。通过执行三维（3D）有限差分分析对案例历史进行回溯分析。测量和计算的结果进行了比较和讨论。根据接触应力和孔隙水压力的现场观察以及工业结构构建的数值模拟，很明显，由于土拱效应，存在从土到桩的荷载传递。测得的作用在桩上的接触压力大约是作用在桩间土壤上的接触压力的六倍。应力减小，差异沉降和桩应变的数值预测与工业结构施工期间的测量值一致。数值和实验数据的同时允许在工业建筑施工结束时评估这些行为。

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