|Table of Contents|

Model to decide optimal timing of asphalt pavement preventive maintenance(PDF)

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

Issue:
2011年03期
Page:
7-12
Research Field:
Publishing date:
2011-06-30

Info

Title:
Model to decide optimal timing of asphalt pavement preventive maintenance
Author(s):
WANG Xiao-feng1; 2
1. Key Laboratory for Highway Construction Technology and Equipment of Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China; 2. Henan Provincial Communications Planning, Survey & Design Institute Co Ltd, Zhengzhou 450052, Henan, China
Keywords:
road engineering;  asphalt pavement;  preventive maintenance;  optimal timing of maintenance;  decision model
PACS:
U416.217
DOI:
-
Abstract:
In order to decide the optimal timing of the aspalt pavement preventive maintenance, a decision model was developed. Through analyzing the change of pavement performance after the maintenance treatment application, the model defined the pavement composite benefit, decided the analysis period and set up the four decision making indexes. An application example shows that the model can reflect the roles of various pavement performance indexes,objectively describe the characteristics of maintenance object; based on the four decision indexes(the composite benefit value, the equal annual cost, the benefit index, and the expected extension of life),the five decision principles can be formed,they are the minimum cost principle, the maximum composite benefit principle, the maximum unit cost benefit principle, the longest service term principle and the comprehensive balance principle; these principles may meet the needs of different decision makers, and the decision precision lies on the data of pavement performance. 9 tabs, 6 figs, 6 refs.

References:

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Memo

Memo:
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Last Update: 2011-06-30