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  • 标题:Statistical Modeling of Accelerated Pavement Failure Using Response Surface Methodology
  • 作者:Anshu Manik ; Kasthurirangan Gopalakrishnan ; Siddhartha K. Khaitan
  • 期刊名称:International Journal of Computer, Information, and Systems Science, and Engineering
  • 印刷版ISSN:1307-2331
  • 出版年度:2007
  • 卷号:1
  • 期号:1
  • 出版社:World Academy of Science, Engineering and Technology
  • 摘要:Rutting is one of the major load-related distresses in airport flexible pavements. Rutting in paving materials develop gradually with an increasing number of load applications, usually appearing as longitudinal depressions in the wheel paths and it may be accompanied by small upheavals to the sides. Significant research has been conducted to determine the factors which affect rutting and how they can be controlled. Using the experimental design concepts, a series of tests can be conducted while varying levels of different parameters, which could be the cause for rutting in airport flexible pavements. If proper experimental design is done, the results obtained from these tests can give a better insight into the causes of rutting and the presence of interactions and synergisms among the system variables which have influence on rutting. Although traditionally, laboratory experiments are conducted in a controlled fashion to understand the statistical interaction of variables in such situations, this study is an attempt to identify the critical system variables influencing airport flexible pavement rut depth from a statistical DoE perspective using real field data from a full-scale test facility. The test results do strongly indicate that the response (rut depth) has too much noise in it and it would not allow determination of a good model. From a statistical DoE perspective, two major changes proposed for this experiment are: (1) actual replication of the tests is definitely required, (2) nuisance variables need to be identified and blocked properly. Further investigation is necessary to determine possible sources of noise in the experiment.
  • 关键词:Airport Pavement, Design of Experiments, Rutting, NAPTF.
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