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Title: Modified Broms’ method for formation of working platform on very soft soil
Authors: Chen, Hao
Chu, Jian
Guo, Wei
Lam, Kok Pang
Keywords: Engineering::Civil engineering
Issue Date: 2021
Source: Chen, H., Chu, J., Guo, W. & Lam, K. P. (2021). Modified Broms’ method for formation of working platform on very soft soil. Geotextiles and Geomembranes, 49(1), 57-71.
Journal: Geotextiles and Geomembranes
Abstract: Construction over soft soil is a challenge as the ground can be too soft to work on it. To overcome this, a working platform has to be formed before any soil improvement work can be carried out. One of such methods was proposed by Broms (1987) which uses geotextile and sand berms. In this paper, a modified Broms' method is proposed to use geotextile tubes to confine the sand berms. A new analytical solution is also proposed to calculate the tensile strain and the profile of geotextile under the sand berms/tubes. Design charts for different design conditions are also developed. Parametric studies were conducted to identify the key parameters affecting the design. Finite element analyses (FEA) and a field trial were also carried out to verify the modified Broms' method and the proposed solution. The monitoring data agree reasonably well with the results obtained from proposed solution and FEA. A design procedure for modified Broms' method and Broms’ method is proposed using the analytical solution.
ISSN: 0266-1144
DOI: 10.1016/j.geotexmem.2020.08.006
Rights: © 2020 Elsevier Ltd. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

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