The Back Calculation of Some Existing Slopes to Estimate The Cohesion of a Coarse Cohesive Alluvium

机译：一些现有斜坡的后面计算估计粗内粘合性的凝聚力

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Most common types of excavations in Tehran is unsupported vertical excavation adjacent to nearby building which the height of them could be as high as 30 to 40 m because the soil is highly cemented in some regions of Tehran. In the presented investigation, slope stability analyses have been used to consider the stability of some unsupported vertical excavations to estimate the minimum (lower bound) cohesion of the soil. Limit equilibrium method, has been used for slope stability analysis. Test results show the cohesion of Tehran alluvium can be very high and its value varies with cementation degree, unit weight and other parameters. In-situ cohesion, estimated from back calculations, is in a good agreement with cohesion obtained from a number of high quality in-situ direct shear tests.

机译：德黑兰最常见的挖掘类型是不支持的垂直挖掘，与附近的建筑物相邻，它们的高度可以高达30至40米，因为土壤在德黑兰的一些地区高度粘附。在呈现的研究中，已经使用边坡稳定性分析来考虑一些不支持的垂直挖掘的稳定性，以估计土壤的最小（下染色）内聚力。限制平衡方法，已用于边坡稳定性分析。测试结果表明，德黑兰凝结性的凝聚力可以很高，其值随着胶结度，单位重量和其他参数而变化。原位凝聚力从后面计算估计，与从许多高质量的原位直接剪切测试获得的凝聚力良好。

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《IASME/WSEAS International Conference on Geology and Seismology》|2009年||共6页
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S. H. GHAFOURI;
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中图分类 P5-532;
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Unsupported excavation; Back calculation; Limit Equilibrium Method; Tehran coarse-grained alluvia; Calcite cement;

机译：不支持的挖掘;背部计算;限制平衡方法;德黑兰粗粒血液;方解石水泥;

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2. Calculations of flows needed to transport coarse fraction of Boulder Creek alluvium at Boulder, Colorado: Summary [J] . W. C. BRADLEY, A. I. MEARS GSA Bulletin . 1980,第3期

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4. The Back Calculation of Some Existing Slopes to Estimate The Cohesion of a Coarse Cohesive Alluvium [C] . S. H. GHAFOURI IASME/WSEAS International Conference on Geology and Seismology . 2009

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The Back Calculation of Some Existing Slopes to Estimate The Cohesion of a Coarse Cohesive Alluvium

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