|Table of Contents|

Experiment on high-temperature stability of AC-16 asphalt mixture(PDF)

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

Issue:
2013年02期
Page:
10-15
Research Field:
Publishing date:

Info

Title:
Experiment on high-temperature stability of AC-16 asphalt mixture
Author(s):
GUO Rui1; 2;  HONG Gang3;  LI Ping4;  WANG Hang5
Keywords:
road engineering;  rutting test;  AC-16 asphalt mixture;  influence factor;  high-temperature performance
PACS:
U414.75
DOI:
-
Abstract:
Based on the abundant rutting test results, the effects of asphalt contents, rolling times, contents of anti-rutting agent and different gradation compositions on the high-temperature stability of AC-16 asphalt mixtures were analyzed. In addition, the comparative study was made to evaluate the high-temperature stability of AC-16 anti-rutting agent asphalt mixture and AC-16(without anti-rutting agent). The results show that the optimal asphalt contents in rutting test are 0.2% to 0.3% lower than that in Marshall test; too much or too little compaction work can lead to the decrease of the high-temperature stability of asphalt mixture, so the rolling times should be strictly controlled in the construction process; the optimal contents of anti-rutting agent for AC-16 are from 0.4% to 0.5%; appropriate increase in the content of the coarse aggregate could form the skeleton close-grained structure which could effectively improve the high temperature stability of the AC-16 asphalt mixture; dynamic stability average value of AC-16 anti-rutting agent asphalt mixture is 32.9% higher than that of the ordinary asphalt mixture. 6 tabs, 3 figs, 10 refs.

References:

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Last Update: 2013-06-05