نتایج جستجو برای: raft foundation
تعداد نتایج: 97366 فیلتر نتایج به سال:
در پروژه حاضر، ابتدا نانوذرات کروی mcm-41 تهیه شده است. نانوذرات تهیه شده با دارا بودن مساحت سطح ویژه بالا و همچنین خلل و فرج های منظم در ساختار مورد استفاده قرار گرفت. نانوذرات کروی mcm-41 با اصلاح کننده های مناسب اصلاح شد. در تهیه نانوکامپوزیت پلی استایرن از سه نوع نانوذره mcm-41 استفاده شد. محصول گونه اول، نانوذره mcm-41 همراه با استایرن، پراکنشی از نانوذره mcm-41 در ماتریس پلیمری به روش پلی...
This study presents a new approach for physical and material modeling of space frame-raft-soil system. The physical modeling consists of a modified Thimoshenko beam bending element with six degrees of freedom per node to model the beams and columns of the superstructure, a modified Mindlin's plate bending element with five degrees of freedom per node to represent the structural slabs and raft, ...
For tunneling in urban areas, understanding the interaction and behavior of tunnels foundation adjacent structures is very important, various studies have been conducted. Superstructures areas are designed constructed with piled rafts, which more effective than conventional foundation. However, settlement a raft induced by mostly focuses on settlement. In this study, therefore, pile settlements...
This paper presents a real case study of micropiling process that was developed to stop the continuous tilting 9-story residential building in Dakahlia, Egypt. Shortly after construction building, surface raft foundation exhibited severe settlement problems. In order carry out geotechnical investigation, boreholes were drilled around constructed building. It discovered addition thick, soft clay...
Lateral assemblies of glycolipids and cholesterol, "rafts," have been implicated to play a role in cellular processes like membrane sorting, signal transduction, and cell adhesion. We studied the structure of raft domains in the plasma membrane of non-polarized cells. Overexpressed plasma membrane markers were evenly distributed in the plasma membrane. We compared the patching behavior of pairs...
This article presents a case study on the thermal assessment of reinforced concrete (RC) foundation exposed to low temperatures. The supports 19,500 m3-capacity tank with low-temperature (−89 °C) ethane. Icing and bubbling were observed tank’s surface soon after it started operations. Condensation was also at bottom 0.8-m-depth RC slab, which raised concerns about structural condition concrete....
Piled raft foundations are a common type of foundation for high-rise buildings. Unlike shallow foundations, deep (piles) pass through weak or soft soil deposits and can reach stiff bedrock to support the weight structure. In this paper, performance medium embedment depth piled in is presented. A numerical model was developed parametric study conducted order simulate case such system investigate...
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