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EVALUATION OF STATIC ANALYSIS BASED SAFE LOAD CAPACITY OF BORED CAST-IN-SITU PILES SOCKETED IN ROCK FROM PILE LOAD TESTS
| 题名： | EVALUATION OF STATIC ANALYSIS BASED SAFE LOAD CAPACITY OF BORED CAST-IN-SITU PILES SOCKETED IN ROCK FROM PILE LOAD TESTS |
| 正文语种： | eng |
| 作者： | C.N.V. Satyanarayana Reddy;A. Harika;L. P. Padhy |
| 作者单位： | Department of Civil Engineering Andhra University Visakhapatnam A.P;Department of Civil Engineering Andhra University Visakhapatnam A.P;Department of Civil Engineering Andhra University Visakhapatnam |
| 摘要： | Pile foundations are the most preferred option for supporting high rise constructions and bridges as they are strong in compression and offer good resistance to lateral and uplift forces. The stability and foundation cost of the structure supported on pile foundations depend on load carrying capacity derived by the piles in the prevailing ground conditions. Hence, the most appropriate methods of load capacity estimation are to be used. Rock socketed piles are often used to support heavily loaded, large span structures. The load capacity of a rock socketed pile depends on various factors such as diameter of pile, socketing length, joints and discontinuities in the rock, compressive strength of the rock etc. Among the different methods of estimation of load capacity of piles, pile load tests provide the realistic load capacity. As load tests on piles involves time and are expensive, sufficient number of tests are not being conducted to judge the actual load capacities. Also, the pile load tests are being used by many organizations to verify the safe load capacities adopted for design based on static analysis. Hence, it is essential to identify the most appropriate methods of static analysis which yield values closer to the load capacities determined from pile load tests. Hence, in the present study, the safe load carrying capacities of the rock socketed piles from different study areas situated in Visakhapatnam, determined from IS 14593-1998, IRC:78-2014 and IS 2911 Part 1 Section 2, 2010 methods are compared with the load capacities determined from initial pile load tests to check the precision of the static analysis methods. The study revealed that pile load capacities estimated from IS 2911 and IS 14593 methods are relatively closer to the capacities determined from the pile load tests compared to load capacities estimated from IRC:78 method. |
| 出版年： | 2022 |
| 期刊名称： | Indian Highways |
| 卷： | 50 |
| 期： | 4 |
| 页码： | 17-24 |
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