نتایج جستجو برای: piled raft
تعداد نتایج: 6484 فیلتر نتایج به سال:
Effect of Spacing and Cross-Sectional Shape on Piled Raft System Subjected to Lateral Cyclic Loading
this research examines the behavior of soil-reinforced piles and applied loads based on the analytical method and by using the numerical results of flac3d software for comparison with the analytical results. the analysis was based on a method called virtual retaining wall, the following into consideration: an imaginary retaining wall that passes the footing edge the bearing capacity of footing ...
In deep foundations, the pile group and raft are generally used. To date, contribution of is not taken into account in design, even when contact with soil whole system therefore considered to work as a foundation. combined system, takes considerable portion applied load, depending upon number piles, spacing diameter ratio length ratio. this paper, an experimental investigation carried out study...
در بخش نخست این تحقیق، سطح پلی وینیل الکل (pva) با کوپلیمریزاسیون پیوندی از طریق فرایند انتقال زنجیر برگشت پذیر افزایشی-تجزیه اصلاح شده است. گروه های هیدروکسیل پلی وینیل الکل در دو مرحله مجزا ابتدا توسط برهمکنش با یک ترکیب آسیل کلراید به pva-cl تبدیل و سپس از طریق برهمکنش با 1-برمو نفتالن در حضور کربن دی سولفید توسط واکنش گرینیارد به یک عامل raft بر پایه پلی وینیل الکل تبدیل شد. در انتها پلیمری...
In recent years, the high development of high-speed railway lines cross through areas with poor geological conditions, such as soft soil, offshore and low-lying marsh areas, resulting geotechnical problems, large settlements reduction bearing capacity. As a new soil reinforcement method in speed lines, piled raft structure has been used to improve conditions control excess settlement. order stu...
ANALYSIS FOR AXIAL LOAD DISTRIBUTION IN PILE IN A PILED RAFT FOUNDATION STIFF CLAY BY FINITE ELEMENT
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