نتایج جستجو برای: plaxis 2d
تعداد نتایج: 83549 فیلتر نتایج به سال:
In this paper, an analytical solution to the problem of interaction a pile-slab foundation with 2-layer elastic soil basement is proposed. A new method was proposed take into account nonlinearity soils in formulation. This consists limiting bearing capacity pile along lateral surface by strength adjacent and redistributing applied load toe. article, comparative analysis formulation numerical si...
یکی از روشهای تثبیت مکانیکی و مقاومسازی خاکها استفاده از عناصر کششی نظیر ژئوگرید می باشد. با توجه به گسترش روز افزون استفاده از مصالح پلیمری مانند ژئوگرید به عنوان المان کششی جهت تسلیح خاکها، نیاز به مطالعه مسائل خاک مسلح جهت روشن شدن ابعاد مختلف آن احساس میگردد. در این مقاله عملکرد عمق بهینه ژئوگرید، تعداد ژئوگرید ها، فواصل ژئوگرید ها، عمق موثر ژئوگرید تحت بار دینامیکی سیکلی با دامنه a=10kn/m2...
Purpose. This work aims to study the tunnel face stability (Algiers subway Tunnel) and evaluate common numerical procedures that are used for analyzing stability. Two-dimensional (2D) three-dimensional (3D) Finite Element (FE) modeling using PLAXIS programs. Methodology. Tunneling is executed by NATM method; two types of calculations used. The first one done reducing applied pressure until coll...
Ultimate bearing capacity calculation is one of the most important factor to design foundations in geotechnical engineering. In this paper, ultimate values were calculated with finite element and analytical methods compared. A case study Bozozuk (1972) article used for evaluations. On 30 September 1970, 600-ton weight concrete silo suddenly overturned failure. After failure, in-situ Vane shear ...
Stone columns are a more economical and efficient method to enhance the strength of expansive soils. Using granular blanket over top ordinary stone (OSC) improves drainage distribution applied stress impending from superstructure. The present study studied effect geogrid layers in (GB) OSC numerically using 'PLAXIS 2D'. 'Mohr-Coulomb failure criterion was deliberated for column, blanket, soil, ...
در اثر احداث تونل، وضعیت تنش در خاک اطرافش تغییر خواهد کرد. از این رو، نشست سطح زمین در اثر احداث تونل جدید در نزدیکی تونل موجود در مقایسه با احداث آن در خاک بکر متفاوت خواهد بود که این تفاوت نشان از اثر اندرکنش بین تونل های دوقلو روی نشست سطح زمین دارد. در این تحقیق با مطالعه پارامتریک به کمک روش اجزای محدود با فرض مدل هندسی دو بعدی کرنش مسطح و توسط نرم افزار plaxis 2d روی بخشی از خط 1 متروی...
In the article problem of geotechnical application clay nd claystone as a base driven pile foundations has been considered. When using these foundations, compaction zone is formed in space around pile. The purpose this research to analyze influence zones on results analytical and numerical calculations for predicting settlement layered soils. following tasks were solved: 1) existing investigati...
Yumuşak zeminler üzerine inşa edilen dolgularda zamana bağlı konsolidasyon oturmalarının dikkatli bir şekilde incelenmesi gereklidir. Bu tür zeminlerde oturmalarını hızlandırmak için kil zemin içerisine prefabrik düşey drenler edilir. çalışma kapsamında, yumuşak içine dren sistemlerinin farklı eşleme yöntemleri kullanılarak gerçekleştirilen sayısal analizleri araştırılmıştır. Sayısal analizleri...
Abstract This research was conducted to reinforce the sheet pile located on embankment of Ciliwung Lama river – Inspection Road (RSCM) in Central Jakarta. The road is beside riverbanks collapsed for 40 m and position that slopes towards river. Based field observations analysis stability carried out, road’s collapse not due unstableness but inability receive lateral soil pressure. method used Pl...
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