Cracks in soils related to desiccation and treatment

Omer Muhie Eldeen Taha, Mohd. Raihan Taha

Research output: Contribution to journalArticle

Abstract

Soils tend to shrink when they lose moisture. In particular, fine-grained soils are susceptible to shrinkage and the resulting volume change. Shrinkage can cause cracking of soils that can adversely influence the engineering properties and behavior of the soils. The adverse effects include decreased strength of the cracked soils and increased flow through the soils. The objective of this research is to review previous studies, explain the problems encountered, and then suggest a way forward for future studies. The study shows that when there is an increase in soil density, there is a decrease in the volume of the voids in the soil, and this comes with an attendant reduction in volume shrinkage, which in turn causes a decrease in cracks in the soil. This shows that the type of clay (soil) has a direct effect on volume changes. Moreover, the study showed that treatment by cement and lime is not suitable. Treatment with fiber is a good method used to curtail and resist shrinkage in tensile force, but it is not suitable for all types of soil. In addition, microscopic analysis is a powerful method used in determining volume change. Consequently, it is recommended that scanning microscopy and digital image analysis be used for all analyses of soil with or without fiber and nanomaterial.

Original languageEnglish
Pages (from-to)1080-1089
Number of pages10
JournalAustralian Journal of Basic and Applied Sciences
Volume5
Issue number8
Publication statusPublished - Aug 2011

Fingerprint

desiccation
crack
soil
volume change
geotechnical property
digital image
clay soil
image analysis
void
lime
microscopy
cement
moisture

Keywords

  • Cracking of soil
  • Hydraulic conductivity
  • Soil desiccation
  • Soil image analysis
  • Soil mechanics

ASJC Scopus subject areas

  • General

Cite this

Cracks in soils related to desiccation and treatment. / Taha, Omer Muhie Eldeen; Taha, Mohd. Raihan.

In: Australian Journal of Basic and Applied Sciences, Vol. 5, No. 8, 08.2011, p. 1080-1089.

Research output: Contribution to journalArticle

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