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May 22, 2014
Application of Fine Sand in Coastal Areas As Subgrade Filling
Authors: Jinsong Qian, Ph.D. [email protected], Peng Wang [email protected], and Peng Tan [email protected]Author Affiliations
Publication: Pavement Materials, Structures, and Performance
Abstract
It is of economic and social benefit to use the fine sand in coastal areas as subgrade filling, which can overcome the lack of construction materials in these areas. However, the engineering properties of fine sand are different with the ordinary filling materials resulting from the bad gradation and looseness of structure. In this paper, a series of laboratory tests - including the sieve analysis, compaction characteristic, CBR and modulus - was performed to assess the feasibility of filling with typical fine sands in Hainan and Shanghai. Then, the in-situ tests on construction method and quality were carried out. It is shown that, when fine sands are confined and covered by fine grain soils, sand-filling subgrade can provide sufficient stiffness and stability.
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© 2014 American Society of Civil Engineers.
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Published online: May 22, 2014
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Associate Professor, Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, 4800 Cao'an Road, Shanghai, 201804, China. E-mail: [email protected]
Graduate Student, Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, 4800 Cao'an Road, Shanghai, 201804, China. E-mail: [email protected]
Graduate Student, Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, 4800 Cao'an Road, Shanghai, 201804, China. E-mail: [email protected]
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