Development of new rotation pile technology mirai pile ® and preliminary study in Vietnam on construction

  • Marina Kawai JFE Steel Corporation Civil Engineering Sec Construction Materials and Business Development Department, Tokyo, Japan
  • Hoang Giang Nguyen Faculty of Building and Industrial Construction, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam c
  • Dung Nguyen Tien Faculty of Building Materials, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
  • Thanh Son Nguyen Faculty of Bridges and Roads, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam https://orcid.org/0000-0001-8267-5893
  • Van Minh Pham Faculty of Mechanical Engineering, Hanoi University of Civil Engineering, 55 Giai Phong road, Hai Ba Trung district, Hanoi, Vietnam
DOI: https://doi.org/10.31814/stce.huce2023-17(2)-06
Keywords: mirai pile, new rotation pile technology, rotary penetration, friction bearing capacity, installation torque, cohesive soils

Abstract

In recent years sustainability and environmental impacts have been highlighted as an important issue in design and construction particularly in urban area in construction of buildings and bridges. Mirai piler (M-pile) is new rotating pile technology, which was developed in 2020, is highly appreciated for its environmentally friendly functions such as: rapid construction, low noise; low vibration; no waste soil during construction; no ground water contamination. In this study, construction sequence and prediction of axial bearing capacity of M-pile on cohesive soil were introduced. M-pile analysis used with outer diameter of 318.5mm and thickness of 12.7mm. The analysis results show that the ultimate bearing capacity prediction of M-pilein soft clay soil considerably
increase compared with bored and cast-in-place piles with the same diameter and depth thanks to multiple
blades welded along the pile shaft.

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Published
26-06-2023
How to Cite
Kawai, M., Nguyen, H. G., Tien, D. N., Nguyen, T. S., & Pham, V. M. (2023). Development of new rotation pile technology mirai pile ® and preliminary study in Vietnam on construction. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, 17(2), 62-69. https://doi.org/10.31814/stce.huce2023-17(2)-06
Issue
Vol 17 No 2 (2023)
Section
Research Papers

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