|Table of Contents|

Superpave pavement material standard in Gansu region(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:
27-32,49
Research Field:
道路工程
Publishing date:

Info

Title:
Superpave pavement material standard in Gansu region
Author(s):
HE Zhao-yi1;  TANG Xiong2;  CHEN Hong-bin3;  LIU Xiu-xia3; XU Chen1
1. School of Civil Engineering and Architecture, Chongqing Jiaotong University, Chongqing 400074, China; 2. Research Institute of Highway, Ministry of Transport, Beijing 100088, China; 3. Department of Engineering Construction in Gansu Province, Lanzhou 730030, Gansu, China
Keywords:
road engineering;  Gansu district;  temperature;  LTPP model;  PG grade;  aggregate requirement
PACS:
U416.21
DOI:
-
Abstract:
In order to study the application standards of the Superpave pavement materials in Gansu region, to adapt Superpave pavement to the actual situation in the Gansu region better, the high and low design temperatures of Superpave pavement in the Gansu region was investigated based on the data of temperature in Gansu province from 1971 to 2000, the asphalt PG grade in Gansu region was gotten by using the LTPP climate impact models, at the same time the asphalt PG rating in Gansu province was adjusted based on the actual situation of China and Gansu region, and the recommendation of the asphalt PG classification in Gansu region was put forward. The Tianshui transit expressway and Xichangfeng expressway actual project were taken as examples to investigate the aggregate in eastern Gansu, experimental study and index analysis on the properties and processing characteristics of the aggregate material were conducted, and finally the Superpave pavement aggregate recommendation in eastern Gansu was proposed. 6 tabs, 7 figs, 13 refs.

References:

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Last Update: 2013-04-20