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[9001994.] رقم البحث : 9001994 - |
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Optimization of Concrete Block Quay Walls / |
| تخصص البحث : General |
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Port Said Engineering Research Journal / |
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رنا نبيل محمد زيدان ( rananabildm@yahoo.com - ) - مؤلف رئيسي |
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ايهاب رشاد طلبه ( tolba_1966@yahoo.com - ) |
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السيد جلال الغندور ( saydod@gmail.com - ) |
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Marine structure, Quay wall, Stability, factor of safety, GEO 5, Slope/w |
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Marine structures are defined as a human made structures which are constructed for the purpose of port facilities and/or protecting the coastline, This research focus on studying and analyzing the stability of an important type of marine structure which is: concrete block quay wall, optimum design and stability of pre-cast concrete blocks quay walls consists of 15 row of blocks numbered respectively from bottom to top using the hollow blocks instead of solid ones by obtaining the resulting benefits of this replacement is investigated. Therefore, four stages of optimization under stability considerations have been adequated as. GEO5 software had been used for the purpose of determining the factors of safety against overturning and sliding for all structure and at each block interface and also determining the bearing pressures exerted by the quay wall to the existing ground for structural elements under all load combinations for all stages of optimization and using these pressures in hansen’s equations for studying the stability of the block quay wall against (bearing capacity). SLOPE/W software had been used also for studying the stability of block quay walls against slip failure. The results show that the critical stage of optimizations is opt.(2), reducing the backfill internal angle of friction (?) from 40? to 30?, reduces the factors of safety against Bearing capacity and slip failure and Increasing the subsoil cohesion parameter (c), improves the bearing capacity factor of safety. |
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