JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (5): 108-112.

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Analysis on influence factors of the earlyage cracking of concrete pavement

WANG Hao1, LI Peng-cheng2*, MAO Hong-lu2, SUN Ren-juan2, GE Zhi2   

  1. 1. Shandong HiSpeed Construction Group Co. LTD, Jinan 250002, China; 2. School of Civil Engineering, Shandong University, Jinan 250061, China
  • Received:2012-03-29 Online:2012-10-20 Published:2012-03-29

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Abstract: The software HIPERPAV was adopted to analyze the major influential factors of the earlyage cracking of concrete pavement, which including the slab thickness, fly ash, curing method and time, construction time, paving season and time of sawing. The results showed that the stressstrength ratio of slab constructed in summer was lower than that in winter, and the pavement slab without saw cutting was more likely to produce the earlyage random cracking than the slab with cutting. In addition, the proper mixture ratio, construction time and curing method could significantly decrease or prevent the earlystage cracking.

Key words: concrete pavement, earlyage cracking, HIPERPAV

CLC Number: 

  • U416.216
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