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Mathematical analysis of parallelogram method for rolling of asphalt mixture surface(PDF)

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

Issue:
2012年06期
Page:
28-32
Research Field:
Publishing date:

Info

Title:
Mathematical analysis of parallelogram method for rolling of asphalt mixture surface
Author(s):
XU Yong-jie1;  CUI Jin-fu2;  GONG Xiu-bin1;  XUCHAI Dan-dan3
1. School of Civil Engineering, Ludong University, Yantai 264025, Shandong, China; 2. Yantai Highway Administration Bureau, Yantai 264001, Shandong, China; 3. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
road engineering;  asphalt mixture;  effective rolling compaction time;  parallelogram method
PACS:
U415.521
DOI:
-
Abstract:
In order to improve the asphalt mixture surface compactness and flatness, on the base of the effective compaction time, a mathematical model based on the theory of parallelogram was used to determine the forward distance L1 and backward distance L2. The results show that the parallelogram push method can effectively improve the surface layer uniformity of asphalt aggregate mixture. The forward and backward distance L1 and L2 are affected by roller speed, paving speed, temperature and other factors. Proper L1 and L2 can achieve four multiple times compaction and convenient automatic control, and in the process of paving, roller should not be paused. Roller should not turn, turn around or park on sections not rolled and cooled down. 2 tabs, 4 figs, 7 refs.

References:

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Last Update: 2012-12-30