|Table of Contents|

Construction temperature indicators for asphalt mixture based on viscosity-temperature properties of asphalt mortar(PDF)

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

Issue:
2012年02期
Page:
45-51
Research Field:
Publishing date:

Info

Title:
Construction temperature indicators for asphalt mixture based on viscosity-temperature properties of asphalt mortar
Author(s):
CHEN Xiao1;  YANG Ping2;  WU Ya-zhong3;  ZHENG Jian-long4
1. Department of Transportation, Ningxiang County Government, Changsha 410600, Hunan, China; 2. Department of Civil Engineering, Hunan Technical College of Engineering, Changsha 410151, Hunan, China; 3. Department of Development and Reform Commission, Hunan Province Government, Changsha 410004, Hunan, China; 4. School of Highway Engineering, Changsha University of Science and Technology, Changsha 410004, Hunan, China
Keywords:
road engineering;  asphalt mixture;  asphalt mortar;  viscosity;  construction temperature
PACS:
U414.3
DOI:
-
Abstract:
The Brookfield viscometer was used to test the viscosity of asphalt mortars of 70# base asphalt and modified asphalt with different filler-asphalt ratios and temperatures, the influence of the filler-asphalt ratio and temperature on the viscosity of asphalt mortar and the construction temperature was analyzed, the filler-asphalt ratio as a temperature control indicator in construction was established, and the standard of the temperature control for asphalt mixture was obtained under different filler-asphalt ratios. The results show that the filler-asphalt ratio and the temperature have significantly impacts on the viscosity-temperature properties of asphalt mortar, they play a main function for temperature control in the construction of asphalt mixture. The viscosity of asphalt mortar will increase with the increasing of filler-asphalt ratio, the relationship of filler-asphalt ratio and viscosity and the relationship of their logarithm have a good relevance exponential function and a linear function respectively. The viscosity of asphalt mortar will decrease with the temperature increasing, the relationship of temperature and viscosity have a very good power function relevance. 6 tabs, 5 figs, 13 refs.

References:

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Last Update: 2012-04-30