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Ground Improvement Case Histories by Cholachat Rujikiatkamjorn, Jian Chu, Buddhima Indraratna

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Chapter 2

Full-Scale Tests on Stiffened Deep Cement Mixing Piles Including Three-Dimensional Finite Element Simulation

Pitthaya Jamsawang1; Dennes T. Bergado2; Panich Voottipruex1    1 King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand2 Asian Institute of Technology, Bangkok, Thailand

Abstract

The stiffened deep cement mixing (SDCM) pile employs a precast concrete pile inserted at the center of the DCM pile. A series of full-scale tests involving SDCM and DCM piles under axial compression, lateral, pullout, and embankment loads were performed. The ultimate bearing capacities of two DCM piles have significant differences, confirming the low quality that commonly occurs on DCM piles, resulting in their low bearing capacity. ...

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