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International Journal of Scientific Development and Research - IJSDR
(An International Open Access Journal)
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2455-2631


Issue: August 2019

Volume 4 | Issue 8

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Paper Title: A STUDY ON EFFECTS OF SATURATION ON SOIL SUBGRADE STRENGTH: A REVIEW
Authors Name: Abid Khursheed , Er. Suhaib Firdous , Er. AIMAN
Unique Id: IJSDR1805086
Published In: Volume 3 Issue 5, May-2018
Abstract: The design of the pavement layers to be laid over sub grade soil starts off with the estimation of sub grade strength and the volume of traffic to be carried. Design of the various pavement layers are very much dependent on the strength of the sub grade soil over which they are going to be laid. Sub grade strength is mostly expressed in terms of CBR (California Bearing Ratio). Weaker sub grade essentially requires thicker layers whereas stronger sub grade goes well with thinner pavement layers. The sub grade is always subjected to change in saturation level due to precipitation, capillary action, flood or abrupt rise or subsidal of water table. Change in moisture level in sub grade causes change in the sub grade strength. And it becomes quite essential for an engineer to understand the exact nature of dependence of sub grade strength on moisture variation. An understanding of the dependence of the CBR strength of local soils on water content will contribute towards better design and maintenance practices. Normally CBR test is an easy and well adopted method conducted on soil samples to measure the strength of sub grade. However, many other tests are also considered for assessing the sub grade strength.
Keywords: Sub grade soil, Moisture content , Compaction, Degree of saturation, CBR
Cite Article: "A STUDY ON EFFECTS OF SATURATION ON SOIL SUBGRADE STRENGTH: A REVIEW", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.3, Issue 5, page no.573 - 576, May-2018, Available :http://www.ijsdr.org/papers/IJSDR1805086.pdf
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Publication Details: Published Paper ID: IJSDR1805086
Registration ID:180319
Published In: Volume 3 Issue 5, May-2018
DOI (Digital Object Identifier):
Page No: 573 - 576
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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