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Study on volumetric parameters in porous asphalt mixture(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年06期
Page:
6-10
Research Field:
Publishing date:
2011-12-20

Info

Title:
Study on volumetric parameters in porous asphalt mixture
Author(s):
ZHANG Ming-ming;  HAO Pei-wen
Key Laboratory for Special Area Highway Engineering of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
road engineering;  porous asphalt mixture;  gradation design;  volumetric parameter;  reserved-voidage;  Bailey method
PACS:
U414
DOI:
-
Abstract:
Based on the Bailey method for aggregate grading design and evaluation, the parameter named reserved-voidage was used in porous asphalt method design. Through adjusting the parameters such as reserved-voidage, volume-ratio of coarse aggregates, design density of coarse aggregates, the relationship between the three parameters and volumetric parameters was analyzed. The value of the VCAratio was utilized to evaluate the condition of stone-on-stone contact in the porous asphalt mixture. The results show that the reserved-voidage and design-density have a significant influence on volumetric parameters, but the volume-ratio has no significant influence on that, the volume-ratio and design-density have more significant influence on skeletal structure than reserved-voidage. 10 tabs, 1 fig, 7 refs.

References:

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Memo

Memo:
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Last Update: 2011-12-20