Accurate Survay Effect of Jointing On Bearing Capacity for Rock Foundation (A Case Study of Safa Dam in Kerman Province, Iran)
سال انتشار: 1391
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,549
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شناسه ملی سند علمی:
SASTECH07_028
تاریخ نمایه سازی: 30 تیر 1392
چکیده مقاله:
The effect of discontinuities in bearing capacity of the rockmass depends on its orientation, surface conditions, and infillings. This study was conducted to calculate bearing capacity of the safa dam's rockmass using analytical and numerical techniques. In analytical technique using Serrano & Olalla method and in numerical technique using ABAQUS software. In per second methods, stress analysis was performed in two states. In one state, assuming a continuous environment for the bedrocks, the analysis was performed for the bedrock considering rock mass geotechnical parameters. In the second state, the analysis was performed considering two joint set in the bedrock as weak close planes with respect to the geotechnical of the intact rock. For these two states, the stress and safety factor, compressional and tensional, in turn, ultimate and allowed bearing capacities were estimated. Finally, the ultimate and allowed bearing capacities obtained through the different approaches were compared. The difference between the obtained allowed bearing capacities in two mentioned states implies the considerable effect of joints and cracks conditions on bearing capacity of the foundation in this project.
نویسندگان
Ahmad Fahimifar
Amirkabir University of Technology, Tehran, Iran
Masoud Ahmadvand
MSc, Tafresh University & Taha Consultant Engineer Company, Tehran, Iran
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