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Experimental studies on ingredients of composite soil for a higher strength backfill material

Author

Listed:
  • Duong Hong Tham

    (Ho Chi Minh City Open University, Vietnam)

  • Truong Dinh Duong

    (Ho Chi Minh City Open University, Vietnam)

  • Huynh Huu Minh Dang

    (Ho Chi Minh City Open University, Vietnam)

  • Le Huyen Thoai

    (Ho Chi Minh City Open University, Vietnam)

Abstract

This article deals with experimental studies by lab tests for finding out a composite soil material with higher strength but lower unit weight. Soil from retreated site was broken, demoistured, crashed and then mixed with other materials including sand, cement as binder, shredded tires and water. Based on experimental procedure, a matrix for experiment design over percentage of ingredients was created and lab tests at different percentage (by weights) of ingredients were conducted in order to find out the reasonable proportion of ingredients which provided higher shear strength but lighter unit weight than that of in-situ soil. This composite soil material expects to contribute to effective material solution for mitigating soil instability.

Suggested Citation

  • Duong Hong Tham & Truong Dinh Duong & Huynh Huu Minh Dang & Le Huyen Thoai, 2015. "Experimental studies on ingredients of composite soil for a higher strength backfill material," HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ENGINEERING AND TECHNOLOGY, HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE, HO CHI MINH CITY OPEN UNIVERSITY, vol. 5(1), pages 53-59.
    • Handle: RePEc:bjw:techen:v:5:y:2015:i:1:p:53-59
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