3D finite element analysis of effects of twin stacked tunnels at different depths and with different construction sequence on a piled raft

2021 ◽  
Vol 109 ◽  
pp. 103759
Author(s):  
Mukhtiar Ali Soomro
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Element Analysis ◽  
3D Finite Element ◽  
Construction Sequence ◽  
3D Finite Element Analysis ◽  
Piled Raft ◽  
Different Depths

3D Finite Element Analysis on Behaviour of Piled Raft Foundations

2014 ◽  
Vol 580-583 ◽  
pp. 3-8 ◽  
Author(s):  
Anhtuan Vu ◽  
Ducphong Pham ◽  
Tuonglai Nguyen ◽  
Yu He
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Element Analysis ◽  
3D Finite Element ◽  
3D Finite Element Analysis ◽  
Pile Spacing ◽  
Piled Raft ◽  
Piled Raft Foundation ◽  
Raft Foundation ◽  
Pile Length

This paper highlights settlement behaviour of piled raft foundation by 3D finite element analysis through Plaxis 3D Foundation program. The effects of pile number, pile length, pile layout and pile spacing on the behaviour of piled raft foundation were studied. The numerical results show that: Piled raft foundation has much more efficency to reduce settlement than that of traditional raft foundation. The value of vertical defomation decreases as the result of the increase of pile number, pile length, pile spacing and vice versa. Pile layout has significant effect on both value and location of maximum settlement of piled raft foundation.

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