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¡¾¹Ø¼ü´Ê¡¿ÅòÕÍÍÁexpansive soil£»Í¶Ó°Ñ°×Ùprojection pursuit£»Á£×ÓȺËã·¨particle swarm optimization£»¹«Â·Â·»ùhighway subgrade; ·ÖÀàclassification£»
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2Â¥2009-04-05 21:04:31
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Combining with the classification experiment of expansive soil of the expressway subgrade, through the analyzation of the main factors that effects the Swell-Shrinking of  expansive soil, and based on the judgement standards in , the systematic evaluation model of the projection pursuit for judging and classifing expansive soil of the subgrage.
In the model, particle swarm optimization method was adopted to determine the best project direction, and then classifying evaluations were performed according to the index value of the project features. The results showed that, utilizing this technology to classfy the expansive soil, the unreasonable subbjective judgement of the evaluation professional can be avoided, and the evaluation results were objective and exact with the method being simple, therefore, this technology provided us a new method for classfying the expasive oil.
3Â¥2009-04-06 09:28:25
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Key words: expansive soil£»projection pursuit£»particle swarm optimization£»highway subgrade; classification

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