Experimental study on behavior of micropiles on sand resting on footing
Mohit Talwar, Dr. Arvind Kumar Agnihotri, Dr.Sudhir Arora
Micropile, Load Bearing Resistance, Foundation
Micro piles have been used in the account of Ground Improvement to enhance the Bearing Capacity and to reduce the settlements of the soil for strengthening the foundation of the structures. The frictional resistance between the pile surface and the associated group/ network effects of Micro piles and the ground soil is considered the feasible mechanism for improvement. The most common reason behind the foundation underpinning is seismic retrofit and prevention of the damaging settlement. Micro piles are generally used for the underpinning, whereby different load transfer structures are implemented between the existing structure and the Micro piles. The classification of Different kinds of load transfer structures was introduced in the present paper. In present years, the pile foundation has not been dependent on the load-bearing piles, that have been used in japan such as friction pile foundation and piled raft foundation. The current authors have been researching the support structures by the friction between the earth soils around the surface of the piles. In this study, the various sizes of pile foundations are used. Micro Piles consist of a small diameter (usually less than 12 inches), driven piles or cast-in-place drilled piles, which are a mixture of the steel reinforcement and grout. It can be adapted over conventional piles, the reason behind that is that they can be drilled under hard subsoil conditions, on the Other Hand Conventional pile foundations cannot be constructed and can be used for strengthening the existed foundations.
Article Details
Unique Paper ID: 155842

Publication Volume & Issue: Volume 9, Issue 2

Page(s): 140 - 147
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