Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 239, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2019.117682
Keywords
Cement-stabilized macadam; Pre-vibrated; Static; Vibration compaction; Performances
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Funding
- National Natural Science Foundation of China [51978080]
- Joint Fund of the National Natural Science Foundation of China [U1833127]
- China Civil Aviation Administration [U1833127]
- Nature Science Foundation of Hunan Province [2018114016]
- Key Scientific Research Projects of Hunan Education Department [18A129]
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The cement-stabilized macadam formed by static (SC) and vibration compaction (VC) were pre-cracked and their properties comparison were conducted. It indicated that the lowest self-healing rate of VC and SC at 7 days were 57.1% and 54.2%, respectively, with the pre-cracking time of 3 days and degree of 40%. It proved that the shrinkage strains of VC and SC were reduced at most by 35.8% and 35.3%, respectively, with the pre cracking time of 2 days and degree of 40%, respectively, and the corresponding crack resistance were improved by nearly 300%, with the time of 2 days and degree of 30%. The results showed that VC had a better performance. (C) 2019 Elsevier Ltd. All rights reserved.
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