A Solution for Reduction of Bearing Pressure for Sea Dike Foundation Using Wedge-Block Foundation
Nguyen Vu Viet1, Do the Quynh2, Quang Hung Nguyen3

1Nguyen Vu Viet , Vietnam Academy for Water Resources, 100000 Ha noi.
2Do The Quynh, Hydraulic Construction Institute, 100000 Ha noi.
3Quang Hung Nguyen, ThuyLoi University, Hanoi, 100000 Ha noi, Vietnam.

Manuscript received on 02 June 2019 | Revised Manuscript received on 10 June 2019 | Manuscript published on 30 June 2019 | PP: 500-506 | Volume-8 Issue-8, June 2019 | Retrieval Number: H6678068819/19©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Vietnam is considered one of the most affected countries of climate change, in which the Mekong Delta is one of the three plains in the world most vulnerable to sea level rise. In order to respond to these challenges, the Mekong Delta has a great need to build sea dykes. Although the dyke has a small height of only 2 m to 3 m, the difficult problem is that the soil here is very weak, threatening to the stability of the works. There are many solutions that have been proposed to deal with this issue but they show limitations such as not taking advantage of on-site materials, long construction times, and expensive prices. This paper suggests a new type of foundation – Wedge foundation foundation which is mainly constructed from soft reinforced soil in place, environmentally friendly, reducing construction costs and being able to reduce the pressure on the foundation. The study has also proposed a reasonable bevel angle of the wedge block to be used to sea dike foundation on weak soil areas based on the results from FEM and testing the mechanism of stress reduction of the wedge foundation with physical models.
Keyword: Wedge-block foundation, Soft foundation, Sea dike, Mekong delta.
Scope of the Article: Foundations of Communication Networks.