Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaluation of Bearing Capacity for Cast In-Situ Bored Piles
Pile is a structural element constructed to overcome heavy loads from superstructure, when proper bearing strata is not available at shallow depth. In Kerala, the low land and marine areas consist of soft clay, laterite, and sandy soils. These soils have low bearing capacity and shear strength, causing excessive settlement, and can lead to failure of structures. The prediction of bearing capacity of a bored cast in-situ pile is a complex problem, as it depends on installation method, concrete quality, ground condition, and pile geometry. It is considered that the reliable method for finding bearing capacity is pile load test, which is time consuming and costly. The bearing capacity can also be analyzed by empirical and analytical methods using soil data and SPT data. In this paper, the IS code method, α-method, β-method, and four SPT methods have been employed and summarized for comparison. Seven interpretation methods are used to interpret the failure load, and a suitable failure criterion has been determined. A database of 15 bored piles is collected from different sites in Kerala. The above chosen SPT methods are calibrated by the trial and error to propose a new formula. The Log-Normal approach is employed to all methods, and the distribution graph shows that the proposed formula predicts results with more accuracy and less scatter than other methods.
Evaluation of Bearing Capacity for Cast In-Situ Bored Piles
Pile is a structural element constructed to overcome heavy loads from superstructure, when proper bearing strata is not available at shallow depth. In Kerala, the low land and marine areas consist of soft clay, laterite, and sandy soils. These soils have low bearing capacity and shear strength, causing excessive settlement, and can lead to failure of structures. The prediction of bearing capacity of a bored cast in-situ pile is a complex problem, as it depends on installation method, concrete quality, ground condition, and pile geometry. It is considered that the reliable method for finding bearing capacity is pile load test, which is time consuming and costly. The bearing capacity can also be analyzed by empirical and analytical methods using soil data and SPT data. In this paper, the IS code method, α-method, β-method, and four SPT methods have been employed and summarized for comparison. Seven interpretation methods are used to interpret the failure load, and a suitable failure criterion has been determined. A database of 15 bored piles is collected from different sites in Kerala. The above chosen SPT methods are calibrated by the trial and error to propose a new formula. The Log-Normal approach is employed to all methods, and the distribution graph shows that the proposed formula predicts results with more accuracy and less scatter than other methods.
Evaluation of Bearing Capacity for Cast In-Situ Bored Piles
Lecture Notes in Civil Engineering
Satyanarayana Reddy, C. N. V. (Herausgeber:in) / Muthukkumaran, K. (Herausgeber:in) / Satyam, Neelima (Herausgeber:in) / Vaidya, Ravikiran (Herausgeber:in) / Raisa, P. S. (Autor:in) / Chandrakaran, S. (Autor:in)
27.09.2021
10 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Evaluation of Bearing Capacity for Cast In-Situ Bored Piles
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Increase of the bearing capacity of bored situ-cast piles
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Increase of the bearing capacity of bored situ-cast piles
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