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Bearing Behavior of the Fly Ash Deposits on Expressway

Authors :
Chun-yu Cui
Shu-jian Wang
Wei Cui
Xiao Zheng
Source :
Advances in Civil Engineering, Vol 2019 (2019)
Publication Year :
2019
Publisher :
Wiley, 2019.

Abstract

The reinforcement treatment for embankment using the fly ash deposits as the filling material for roadbed was clarified in this paper. Studies have shown that fly ash can be used as the filling material for embankment, but the subgrade bearing capacity from the original fly ash deposits cannot meet the requirements for operating. Fly ash has a good condition to run the dynamic consolidation for meeting the requirements of embankment compaction. The modulus of resilience and the California bearing ratio (CBR) of fly ash is close to that of general filling material for embankment. Fly ash also has the engineering properties of high void ratio and low cohesion. The maximum level of compaction of the fly ash deposits can be 93% and the bear capacity can be about twice over before after the treatment.

Details

Language :
English
ISSN :
16878086 and 16878094
Volume :
2019
Database :
Directory of Open Access Journals
Journal :
Advances in Civil Engineering
Publication Type :
Academic Journal
Accession number :
edsdoj.27f63e405587406ea57f6ba2c1916e5d
Document Type :
article
Full Text :
https://doi.org/10.1155/2019/8450401