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مقاله Comparison between Real and Calculated Values of Ground Settlement Corresponding to EPBM Tunneling for Esfahan Subway Project word دارای 9 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله Comparison between Real and Calculated Values of Ground Settlement Corresponding to EPBM Tunneling for Esfahan Subway Project word :

سال انتشار: 1389

محل انتشار: چهارمین همایش بین المللی مهندسی ژئوتکنیک و مکانیک خاک ایران

تعداد صفحات: 9

نویسنده(ها):

A Taheri – Managing Director, Zaminfanavaran Consulting Engineers (ZAFA), Esfahan, Iran
A. H Haghi – Geotechnical Consultant Engineer, Zaminfanavaran Consulting Engineers (ZAFA), Esfahan, Iran

چکیده:

Recently by Growing the utilization of EPB machines in urban areas, the emphasis of estimation and prediction of the ground settlement has significantly increased. In this paper, first the tunnel face stability pressure for Esfahan metro line was calculated according to the Mohkam method. Then by creating a 3D numerical model using Plaxis 3D Tunnel software and applying these supporting face pressures to the tunnel crown, settlements were pre-calculated and the surface displacement was checked at all instrumentation stations. Finally the concluded amountsfor displacement is compared by the outputs of extensometers and this comparison lead us to check the reliability of calculated minimum, average and maximum settlements and the accuracy of the designed tunnel face stability pressure.

 

 

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