NDLI: Determination of Swelling and Shrinkage Properties of Undisturbed Expansive Soils

Content Provider	Springer Nature Link
Author	Ito, Maki Azam, Shahid
Copyright Year	2010
Abstract	Expansive soils exhibit large volume changes when their water content changes. Alternate heave and settlement due to seasonal climatic variations result in distress and damage in civil infrastructure systems. This research focuses on the understanding of swelling and shrinkage phenomenon in the surface layer of expansive soils. Undisturbed field samples were used to capture the effect of in situ conditions (geologically induced fissuring and environmentally caused saturation) on volume change properties of Regina clay. Based on laboratory investigations, the swelling potential and swelling pressure of the native clay at S = 82% were found to be 1.5% and 3.5 kPa, respectively. The swell-shrink path during progressive soil drying followed an S-shaped curve comprising of an initial low structural shrinkage followed by a sharp decline during normal shrinkage and then by a low decrease during residual shrinkage. The soil microstructure correlated well with the observed volume change behaviour as well as with the consistency limits. The presence of fissures in field samples at various degrees of saturation confirmed that the investigated deposit is at an equilibrium condition with respect to the swell-shrink phenomenon. The swelling properties at any initial saturation state were estimated using the free swelling test and the swell-shrink test data in conjunction. The swelling potential increased 12 times (from 2 to 24%) and the swelling pressure increased by two orders of magnitude (from 27 to 2500 kPa) with a change in the degree of saturation from 80% (at the plastic limit) to 60% (at the shrinkage limit).
Starting Page	413
Ending Page	422
Page Count	10
File Format	PDF
ISSN	09603182
Journal	Geotechnical and Geological Engineering
Volume Number	28
Issue Number	4
e-ISSN	15731529
Language	English
Publisher	Springer Netherlands
Publisher Date	2010-02-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Expansive soils Swelling potential Swelling pressure Scanning electron microscopy Civil Engineering Waste Management/Waste Technology Terrestrial Pollution Hydrogeology Geotechnical Engineering
Content Type	Text
Resource Type	Article
Subject	Soil Science Geology Architecture Geotechnical Engineering and Engineering Geology

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Free-Swell and Swelling Pressure of Unsaturated Compacted Clays; Experiments and Neural Networks Modeling

Shrinkage Behaviour of GPA-Reinforced Expansive Clay Beds Subjected to Swell–Shrink Cycles

Osmotic Swelling and Osmotic Consolidation Behaviour of Compacted Expansive Clay

Cyclic Swell–Shrink Behaviour of a Compacted Expansive Soil

Bearing capacity of unsaturated expansive soils

Consistent Modelling of Expansive and Collapsive Response of Unsaturated Soils

Effects of Post-compaction Residual Lateral Stress and Electrolyte Concentration on Swelling Pressures of a Compacted Bentonite

Analysis of Swelling and Shrinkage Behavior of Compacted Clays

Laboratory Hydraulic Testing in Unsaturated Soils

Determination of Swelling and Shrinkage Properties of Undisturbed Expansive Soils

Similar Documents

Free-Swell and Swelling Pressure of Unsaturated Compacted Clays; Experiments and Neural Networks Modeling

Shrinkage Behaviour of GPA-Reinforced Expansive Clay Beds Subjected to Swell–Shrink Cycles

Osmotic Swelling and Osmotic Consolidation Behaviour of Compacted Expansive Clay

Cyclic Swell–Shrink Behaviour of a Compacted Expansive Soil

Bearing capacity of unsaturated expansive soils

Consistent Modelling of Expansive and Collapsive Response of Unsaturated Soils

Effects of Post-compaction Residual Lateral Stress and Electrolyte Concentration on Swelling Pressures of a Compacted Bentonite

Analysis of Swelling and Shrinkage Behavior of Compacted Clays

Laboratory Hydraulic Testing in Unsaturated Soils

Determination of Swelling and Shrinkage Properties of Undisturbed Expansive Soils