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Shear strength between interlayers of asphalt pavement based on Mohr-Coulomb theory(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:
34-38
Research Field:
Publishing date:

Info

Title:
Shear strength between interlayers of asphalt pavement based on Mohr-Coulomb theory
Author(s):
MA Pei-jian1; 2;  WANG Jia-rong1;  WANG Xuan-cang1
1. School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China; 2. School of Civil Engineering, Qingdao Technological University, Qingdao 266033, Shandong, China
Keywords:
road engineering;  Mohr-Coulomb theory;  shear strength between interlayers;  grey correlation analysis
PACS:
U416.217
DOI:
-
Abstract:
The influence factors of shear strength between layers were studied based on the lower seal coats for the semi-rigid base asphalt pavement. According to the Mohr-Coulomb theory, 5 kinds of compound specimens were selected for shearing test to evaluate the influence of asphalt material and aggregate size to shear strength. Based on τ-σ lines and Mohr-Coulomb expressions, the grey correlation model was used to analyze the relationships of asphalt, aggregate and shear strength. The results show that the rubber power modified asphalt and aggregate particles from 5 mm to 10 mm diameters are better seal coat materials; the asphalt material has greater influence on the interlayers shear strength than the aggregate particles. 7 tabs, 2 figs, 9 refs.

References:

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Last Update: 2012-04-30