|Table of Contents|

Evaluation of asphalt pavement performance based on principal component analysis(PDF)

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

Issue:
2009年03期
Page:
15-18
Research Field:
Publishing date:
2009-06-20

Info

Title:
Evaluation of asphalt pavement performance based on principal component analysis
Author(s):
LI Bo1; 2; HAN Sen2; XU Ou-ming2; TENG Xu-qiu1
1.School of Civil Engineering,Lanzhou Jiaotong University,Lanzhou 730070,Gansu,China;2.School of Highway,Chang’an University,Xi’an 710064,Shaanxi,China
Keywords:
road engineering;  asphalt pavement;  pavement performance;  principal component analysis（PCA）;  synthetic evaluation
PACS:
U418.6
DOI:
-
Abstract:
For the excess of subjective factors and the difficulty of index weight decision in current　synthetic evaluation for the performance of asphalt pavement，the principal component analysis(PCA) method was applied to analyze the performance of asphalt pavement as a new thought．The experimental data of four freeways in Henan Province were analyzed with the principal component analysis method．The calculating results were compared with results based on the method of Technical Specifications for Maintenance of Highway Asphalt Pavement and Grey Theory．The results show that the principal component analysis method can combine the information of original indexes by proper principal component and regards the variance contribution as weight．The method can calculate the weights of evaluation index objectively and can reflect the effect of every index on synthetic evaluation result. Then, synthetic evaluation index by summing result of linear power weight for the asphalt pavement performance can eliminate the influence of subjective factors and can make the appraisal more objective and dependable. 4 tabs, 9 refs.

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Last Update: 2009-06-20