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suetung8: ½ð±Ò+10, »ù½ðHEPI+1, ¡ï¡ï¡ïºÜÓаïÖú, ·Ç³£¸Ðл 2013-04-24 11:44:33
ÖÐÎÄÕªÒª£º ÒÔÇøÓòÐÔɳĮ·çɳÍÁ·»ù×÷ΪÑо¿¶ÔÏó£¬Î§ÈÆ×Å·»ù¹¹ÖþÎï·çÊ´ÆÆ»µ¹æÂÉ£¬Â·»ù±ßÆÂ·çÊ´ÆÆ»µ»úÀíÒÔ¼°·çÊ´ºó·»ùÎȶ¨ÐÔµÄÆÀ¼Û½øÐÐÁËÑо¿¡£½«Â·»ùÍÁ¿¹¼ôÇ¿¶ÈµÄ±ä»¯¸¨Ö®ÒÔ΢¹Û½á¹¹ÌØÐԵĸıä×÷Ϊ·»ù¿¹·çÊ´ÄÜÁ¦µÄ±íÕ÷£¬¶Ô·»ù·çÊ´½øÐÐÁËÁ¿»¯·ÖÎöÑо¿£¬½¨Á¢ÁËÇøÓòÐÔɳĮ·çʴ·»ù¿¹¼ôÇ¿¶ÈµÄ°ë¾­ÑéÔ¤²âÄ£ÐÍ¡£ÔËÓÃÒѽ¨Á¢µÄ·çÊ´Ô¤²âÄ£ÐÍ£¬È·¶¨´¦ÓÚÌØ¶¨»·¾³·ç³¡Ï£¬·ç»ýɳ·»ùÄÚ²¿¿¹¼ôÇ¿¶ÈµÄ±ä»¯¹æÂÉ£¬¶ÔÊ©¹¤¼°Õý³£ÔËÓª¹ý³ÌÖзçʴ·»ùµÄ³¤ÆÚÎȶ¨ÐÔ½øÐÐÆÀ¼Û¡£±¾¿ÎÌâµÄÑо¿³É¹ûÄܹ»½ÒÊ¾ÇøÓòÐÔɳĮ·çʴ·»ùÆÆ»µ»úÀí£¬ÎªÆÀ¼Û·çÊ´»·¾³ÏÂɳĮ·ç»ýɳ·»ùµÄ³¤ÆÚÎȶ¨ÐÔ£¬ÍêɯɳĮ¹«Â··çʴ·»ùµÄÉè¼Æ¼ÆË㣬ָµ¼É³Ä®Â·»ùÊ©¹¤ÒÔ¼°±ßÆÂ·ÀÖÎÓÐ×Å»ý¼«µÄÒâÒ塣ͬʱ£¬Ò²ÎªÇøÓòÐÔÌØÊâ·»ùµÄÉè¼Æ¼ÆËãÌṩеÄÑо¿Ë¼Â·¡£
ÖÐÎÄÖ÷Ìâ´Ê£º »·¾³ÑÒÍÁ¹¤³Ì£»É³Ä®·çɳÍÁ£»·çʴ·»ù£»·ç¶´ÊÔÑ飻³¤ÆÚÎȶ¨ÐÔ
Ó¢ÎÄÕªÒª: Take the Aeolian roadbed in regional desert as the research subject because there are so serious wind and snow nutural disaster.The wind erosion rules, the wind erosion mechanism and the stability evaluation for wind-eroded roadbed have been researched.Several instructive results have been received. Be the changing of wind-eroded roadbed soil shear strength and microstructure characteristic as the prescription of the anti-erosion capability, a semi-empirical prediction model has been build and the quantificated analysis of wind-eroded roadbed has been finished.With prediction model built in this subject, long-time stability of wind-eroded roadbed is studied during building and working state. The prospective research results of this subject is to disclosure failure mechanism of wind-eroded roadbed soil shear strength in regional desert area, to evaluate long-time stability of roadbed in wind erosion environment and to design and calculate the regional desert Aeolian roadbed completely. The newly research direction is provided for regional special roadbed.
Ó¢ÎÄÖ÷Ìâ´Ê£º geoenvironmental engineering;Aeolian sand;wind-eroded roadbed;wind tunnel test;long-time stability
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