Abstract
Coastal areas like Kochi, Nellore and Gujarat coasts have deep deposits of highly compressible clay layers. The developments of infrastructures in these areas need deep piles to support the tall and heavily loaded structures involved in the development. Such piles when they pass through such compressible layers are subjected to negative skin friction which reduces the allowable load on the piles. Under such circumstances, the only alternative is precast piles. Precast piles in a single segment have handling problem as well as installation problem. The maximum length that can be handled cannot be more than 15–18 m. Hence, the need for an effective system resulted in the advent of jointed piles. Although jointed piles are used extensively, published data on its performance under various types of loading and joint positions is very limited. This paper discusses the main features of design, performances of precast jointed piles under axial, lateral and combined load conditions. A parametric study was carried out by varying the pile joint location under four typical conditions. Load settlement response and the behavior of stress around the joint have been evaluated. An attempt was made to study the response of the jointed pile subjected to lateral soil movement due to excavation by two-dimensional analysis. ABAQUS 6.14 and PLAXIS 2D have been used for the analysis in this study.
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Swathi, B., Balakumar, V., Chandrasekaran, S.S. (2022). Numerical Analysis of Jointed Piles. In: Satyanarayana Reddy, C.N.V., Muthukkumaran, K., Satyam, N., Vaidya, R. (eds) Ground Characterization and Foundations. Lecture Notes in Civil Engineering, vol 167. Springer, Singapore. https://doi.org/10.1007/978-981-16-3383-6_57
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DOI: https://doi.org/10.1007/978-981-16-3383-6_57
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