Study on a Combined Ground Improvement Technic to Facilitate Rapid Embankment Construction on Soft Soil Deposits

Jallu, M and Saride, Sireesh (2012) Study on a Combined Ground Improvement Technic to Facilitate Rapid Embankment Construction on Soft Soil Deposits. Masters thesis, Indian Institute of Technology, Hyderabad.

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Abstract

Soft soils are characterized by their high compressibility, and low shear strength. Highway embankments proposed to construct on such soils will undergo excessive consolidation settlements. The failure of embankments on soft soils is attributed also to the undrained shear when the embankments are constructed in a short time. Hence, the construction of high embankments is taken up in stages by maintaining enough waiting period for consolidation between stages due to stage loading, which delays the whole construction period. Among the several ground improvement technics available to reduce the construction period, pre-consolidation of soft soils through the application of surcharge, use of vertical drains are common methods to achieve required degreed of consolidation (usually 90-95%). In any of these methods, time and cost of the project takes a major role in achieving the required degree of improvement. The stability of an embankment is an issue if the embankment is proposed to build in a very short time.

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IITH Creators:
IITH CreatorsORCiD
Saride, SireeshUNSPECIFIED
Item Type: Thesis (Masters)
Uncontrolled Keywords: TD39
Subjects: Civil Engineering > Soil Structure Interaction
Divisions: Department of Civil Engineering
Depositing User: Team Library
Date Deposited: 31 Oct 2014 08:17
Last Modified: 24 May 2019 09:36
URI: http://raiith.iith.ac.in/id/eprint/579
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