Chapter
Apr 26, 2012
Verification of Scientificity and Rationality of Three Indices for Classification of Expansive Soil Filler
Authors: Heping Yang [email protected], Bin Cheng [email protected], Wentao Zhan [email protected], Jie Xiao [email protected], and Wenjian Zhao [email protected]Author Affiliations
Publication: Instrumentation, Testing, and Modeling of Soil and Rock Behavior
Abstract
The three indices for classification of expansive soil used as filler was the key and core of the physical treatment technique which was a major breakthrough in expansive soil embankment engineering. Test on soil properties, strength and deformation of road performance were performed for three kinds of expansive soil in Bai-Long Expressway in Guangxi Zhuang Autonomous Region in order to verify its rationality. In terms of testing results and the new classification criteria of expansive soil used as embankment filler determined by modified CBR strength, modified CBR swelling rate and consistency, it is concluded that the indices for the three kinds of expansive soils all satisfy the requirements. Therefore, the Bai-se expansive soils can be directly used as embankment filler. Accordingly, the applicability of the three indices for classification of expansive soils as embankment filler is verified by the laboratory tests and practical projects.
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Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Continuum mechanics
- Deformation (mechanics)
- Engineering fundamentals
- Engineering mechanics
- Environmental engineering
- Expansive soils
- Fine-grained soils
- Geomechanics
- Geotechnical engineering
- Methodology (by type)
- Pollution
- Research methods (by type)
- Soil classification
- Soil deformation
- Soil mechanics
- Soil pollution
- Soil properties
- Soil strength
- Soil tests
- Soil treatment
- Soils (by type)
- Solid mechanics
- Structural mechanics
- Tests (by type)
- Verification
Authors
Affiliations
Professor, School of Communication and Transportation Engineering, Changsha University of Science and Technology.E-mail: [email protected]
Graduate student, School of Communication and Transportation Engineering, Changsha University of Science and Technology.E-mail: [email protected]
Graduate student, School of Communication and Transportation Engineering, Changsha University of Science and Technology.E-mail: [email protected]
Doctoral Candidate, School of Communication and Transportation Engineering, Changsha University of Science and Technology.E-mail: [email protected]
Graduate student, School of Communication and Transportation Engineering, Changsha University of Science and Technology.E-mail: [email protected]
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