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A platform for research: civil engineering, architecture and urbanism
Influence of Confining Micro Piles on the Bearing Capacity of Sand
The benefit of providing confinement to footings on loose sand deposits using small diameter timber micro piles driven around footings is explored. The technique can be utilised for improving the bearing capacity of footings on loose sand deposits. Experimental investigations on laboratory model footings on loose sand deposits were undertaken. Timber confining piles were employed. Influences of various pile configurations were investigated. The response of footings with micro pile confinement was compared with that of a footing without confinement. The results indicate that the confining piles can appreciably increase the load carrying capacity of footings on loose sand deposits. The piles impart additional confinement by providing lateral restraint. Closer spacing tends to improve the confinement and thus the load carrying capacity. Extending the length of the confining pile beyond an optimum value was found not advantageous. Attempt has also been made to explain the underlying phenomenon on the basis of possible mechanisms developed within the confined soil.
Influence of Confining Micro Piles on the Bearing Capacity of Sand
The benefit of providing confinement to footings on loose sand deposits using small diameter timber micro piles driven around footings is explored. The technique can be utilised for improving the bearing capacity of footings on loose sand deposits. Experimental investigations on laboratory model footings on loose sand deposits were undertaken. Timber confining piles were employed. Influences of various pile configurations were investigated. The response of footings with micro pile confinement was compared with that of a footing without confinement. The results indicate that the confining piles can appreciably increase the load carrying capacity of footings on loose sand deposits. The piles impart additional confinement by providing lateral restraint. Closer spacing tends to improve the confinement and thus the load carrying capacity. Extending the length of the confining pile beyond an optimum value was found not advantageous. Attempt has also been made to explain the underlying phenomenon on the basis of possible mechanisms developed within the confined soil.
Influence of Confining Micro Piles on the Bearing Capacity of Sand
Unnikrishnan, N. (author) / Sachin, P. (author)
International Foundation Congress and Equipment Expo 2009 ; 2009 ; Orlando, Florida, United States
Contemporary Topics in Deep Foundations ; 367-374
2009-03-10
Conference paper
Electronic Resource
English
Influence of Confining Micro Piles on the Bearing Capacity of Sand
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