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A Study on the Behavior of Piled Raft Foundation Under Seismic Loading
High rise buildings require strong foundations which should bear heavy loads with less settlement. There has been an increase in the use of combined piled raft foundations because of the effectiveness in bearing heavy loads with comparatively very less settlements. This paper presents the variation in roof displacement, bending moment and shear force of a 10-storey building frame resting on a piled raft foundation having various pile stiffness under earthquake excitations corresponding to El Centro and Loma Prieta earthquakes. Column and beam dimensions of the frame are taken as 0.5 m × 0.5 m and 0.3 m × 0.45 m. The length of the pile is taken as 10 m and the diameter is taken for a range of 0.6 m to 1.2 m. Vertical loading condition is varied by considering different mass at each floor level. Not much variation in the roof displacement is found with a change in the pile stiffness. Variation in the response has been observed for different vertical loading and changes in the pile stiffness. The response of the structure for the two earthquake motions is entirely different.
A Study on the Behavior of Piled Raft Foundation Under Seismic Loading
High rise buildings require strong foundations which should bear heavy loads with less settlement. There has been an increase in the use of combined piled raft foundations because of the effectiveness in bearing heavy loads with comparatively very less settlements. This paper presents the variation in roof displacement, bending moment and shear force of a 10-storey building frame resting on a piled raft foundation having various pile stiffness under earthquake excitations corresponding to El Centro and Loma Prieta earthquakes. Column and beam dimensions of the frame are taken as 0.5 m × 0.5 m and 0.3 m × 0.45 m. The length of the pile is taken as 10 m and the diameter is taken for a range of 0.6 m to 1.2 m. Vertical loading condition is varied by considering different mass at each floor level. Not much variation in the roof displacement is found with a change in the pile stiffness. Variation in the response has been observed for different vertical loading and changes in the pile stiffness. The response of the structure for the two earthquake motions is entirely different.
A Study on the Behavior of Piled Raft Foundation Under Seismic Loading
Structural Integrity
Fonseca de Oliveira Correia, José António (editor) / Choudhury, Satyabrata (editor) / Dutta, Subhrajit (editor) / Reddy, D. Madhu Mohan (author) / Krishna, S. Vinoda (author) / Jayalekshmi, B. R. (author)
International Conference on Advances in Structural Mechanics and Applications ; 2021 ; Silchar, India
Advances in Structural Mechanics and Applications ; Chapter: 5 ; 58-65
Structural Integrity ; 26
2022-07-15
8 pages
Article/Chapter (Book)
Electronic Resource
English
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