Stabilisation of desert sands using cement and cement dust

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Desert sands cover vast areas in Oman, and create major problems for the construction of infrastructure. The low bearing capacity of the desert sands, and their susceptibility to collapse on wetting, preclude the support of structures on them. This paper presents experimental results on the use of different additives to stabilise desert sands for possible use as a foundation-bearing soil. Stabilising agents included Portland cement and cement by-pass dust (or cement kiln dust), and were added in amounts of 2, 4, 8, 10 and 12 by dry weight of soil. Laboratory tests such as compaction, unconfined compression and shear box tests were performed to measure the engineering characteristics of the stabilised material. The results showed substantial improvements in maximum dry density, unconfined compressive strength, and shear strength parameters (c and φ). Thus cement and cement by-pass dust can be used to improve the compressibility and shear strength characteristics of desert sands.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalProceedings of the Institution of Civil Engineers: Ground Improvement
Volume162
Issue number3
DOIs
Publication statusPublished - Aug 2009

Fingerprint

cement
dust
Dust
deserts
Cements
stabilization
Sand
Stabilization
desert
sand
Shear strength
shear strength
Compaction
Bearings (structural)
Soils
Kilns
Portland cement
Bearing capacity
Compressibility
compressibility

Keywords

  • Embankments
  • Foundations
  • Strength & testing of materials

ASJC Scopus subject areas

  • Building and Construction
  • Geotechnical Engineering and Engineering Geology
  • Soil Science
  • Mechanics of Materials

Cite this

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abstract = "Desert sands cover vast areas in Oman, and create major problems for the construction of infrastructure. The low bearing capacity of the desert sands, and their susceptibility to collapse on wetting, preclude the support of structures on them. This paper presents experimental results on the use of different additives to stabilise desert sands for possible use as a foundation-bearing soil. Stabilising agents included Portland cement and cement by-pass dust (or cement kiln dust), and were added in amounts of 2, 4, 8, 10 and 12 by dry weight of soil. Laboratory tests such as compaction, unconfined compression and shear box tests were performed to measure the engineering characteristics of the stabilised material. The results showed substantial improvements in maximum dry density, unconfined compressive strength, and shear strength parameters (c and φ). Thus cement and cement by-pass dust can be used to improve the compressibility and shear strength characteristics of desert sands.",
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AB - Desert sands cover vast areas in Oman, and create major problems for the construction of infrastructure. The low bearing capacity of the desert sands, and their susceptibility to collapse on wetting, preclude the support of structures on them. This paper presents experimental results on the use of different additives to stabilise desert sands for possible use as a foundation-bearing soil. Stabilising agents included Portland cement and cement by-pass dust (or cement kiln dust), and were added in amounts of 2, 4, 8, 10 and 12 by dry weight of soil. Laboratory tests such as compaction, unconfined compression and shear box tests were performed to measure the engineering characteristics of the stabilised material. The results showed substantial improvements in maximum dry density, unconfined compressive strength, and shear strength parameters (c and φ). Thus cement and cement by-pass dust can be used to improve the compressibility and shear strength characteristics of desert sands.

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