ÄúÏÖÔÚµÄλÖãºÊ×Ò³ÐÂÎÅÖÐÐÄÐÐÒµ¶´²ì

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

Ðû²¼ÈÕÆÚ£º
2023-04-13
ÕªÒª

Òªº¦´Ê£ºÁ¤Çà»ìÏýÁÏ | ƽºâÉè¼Æ | ÊÔÑéÒªÁì | ÐÔÄܹ淶

×ܽáÁËÁ¤Çà»ìÏýÁÏƽºâÉè¼ÆÁ÷³Ì¼°Éú³¤Æ«Ïò £¬µ÷ÑÐÁËÁ¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁì¡¢Ö¸±ê¼°¼¼ÊõÒªÇó £¬Ìá³öÁËÐÔÄÜÊÔÑéÒªÁìδÀ´Éú³¤½¨Òé ¡£

Ä¿Ç°º£ÄÚÁ¤Çà»ìÏýÁÏÉè¼ÆÒªÁìÖ÷ҪΪÂíЪ¶ûÉè¼ÆÒªÁì £¬SuperpaveÉè¼ÆÒªÁìºÍ·¨¹ú¸ßÄ£Á¿Á¤Çà»ìÏýÁÏÉè¼ÆÒªÁìÔÚÎÒ¹úÒ²ÓÐÓ¦Óà ¡£ÂíЪ¶ûÉè¼ÆÒªÁìºÍSuperpaveÉè¼ÆÒªÁìÖеÄÓÍʯ±È(Á¤ÇàÓÃÁ¿)Ö÷Ҫƾ¾ÝÌå»ýÖ¸±êÈ·¶¨ £¬ÆäÒªº¦ÊÇ׼ȷ²â¶¨»ìÏýÁϸ÷×é·ÖµÄÏà¶ÔÃܶÈ £¬¶ø¼¯ÁϵÄÏà¶ÔÃܶȵıäÒìÐÔºÍÔÙÉúÖÊÁÏÏà¶ÔÃܶȵÄÅÓ´óÐÔ¶ÔVMAµÄzuiÖÕ½á¹û±¬·¢ÁËÒ»¶¨µÄÓ°Ïì ¡£Ëæ×ÅÂÌÉ«»·±£µÄÀíÄîÖð½¥ÉîÈë £¬RAPµÄ²ôÁ¿Ò²Öð½¥Ôö¼Ó £¬ÐÂÁ¤ÇàºÍ½ÓÄÉÁ¤ÇàÖ®¼äµÄÏ໥×÷ÓÃÉÐδÃ÷È· £¬²¢ÇÒÁ¤Çà»ìÏýÁÏÖÐͨ³£Ðè²ôÈë²î±ðµÄÍâ¼Ó¼ÁÒÔ¸ÄÉÆ»ìÏýÁϵÄÐÔÄÜ £¬ÕâЩÒòËؾù¶ÔÌå»ýÖ¸±êµÄÊÊÓÃÐÔÌá³öÁËÌôÕ½ ¡£¼Ó֮ĿǰÉÐÎÞÃ÷È·µÄÌå»ýÖ¸±êÓëÏÖ³¡ÐÔÄܵĹØϵ £¬¹Ê»ìÏýÁÏÐÔÄÜÉè¼Æ˼ÏëÒýÆðÒµÄÚÈËÊ¿µÄ¹Ø×¢ £¬ÆäÖÐƽºâÉè¼Æ·¨¼´×ñÑ­ÁËÕâÖÖ˼Ïë ¡£


ËùνƽºâÉè¼ÆÊÇÖ¸Á¤Çà»ìÏýÁÏÉè¼ÆÀú³ÌÖÐ £¬½øÐÐһϵÁÐÐÔÄÜÊÔÑé £¬ÒÔ½â¾ö·Ãæ½á¹¹ÄÚ²¿ÓÉ»ìÏýÁÏÀÏ»¯¡¢ºÉÔØ¡¢ÆøºòºÍ½á¹¹²ãλÖõÈÒòËØÒýÆðµÄ²î±ð²¡º¦ £¬µÖ´ï×ÛºÏÐÔÄܵÄƽºâ ¡£¸ÃÀíÄîÓÉÃÀ¹úÁª°î¹«Â·¾Ö2015Ä꽨Á¢µÄ¡°Æ½ºâÉè¼ÆÊÂÇéС×顱(NCAT)Ìá³ö £¬NCATÌá³öδÀ´Æ½ºâÉè¼ÆµÄÑо¿Ó¦Ïò¡°È·¶¨Ã¿ÖÖ²¡º¦Ä£Ê½zuiºÃµÄÐÔÄÜÊÔÑéÒªÁ족¡¢¡°½¨Á¢ÐÔÄÜÊÔÑé½á¹ûºÍ·Ã没º¦Ö®¼äµÄ¹Øϵ £¬½¨Á¢»ìÏýÁÏÉè¼Æ±ê×¼¡±µÈÆ«ÏòÉú³¤ ¡ £»ùÓÚ´Ë £¬±¾ÎÄÄâÔÚµ÷ÑÐĿǰƽºâÉè¼ÆÁ÷³ÌµÄ»ù´¡ÉÏ £¬ÊáÀíδÀ´Æ½ºâÉè¼ÆÖØdianÑо¿Æ«Ïò £¬µ÷ÑÐ/ÆÊÎö¼ÈÓÐÁ¤Çà»ìÏýÁÏÊÔÑéÒªÁì¡¢Ö¸±ê¼°±ê×¼ £¬ÎªÍƶ¯Æ½ºâÉè¼ÆÔÚÖйúµÄÉú³¤¡¢Ôö½øÏà¹ØÊÔÑéÒªÁìµÄ±¾ÍÁ±ê×¼»¯Ìṩ½è¼øºÍÖ§³Å ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼ÆÁ÷³Ì


Ä¿Ç° £¬Æ½ºâÉè¼ÆÖ÷ÒªÔÚÃÀ¹úÑо¿½Ï¶à £¬NCHRP20-07ÏîÄ¿½á¹û±êÃ÷ÃÀ¹úÖ÷ÒªÓÐ6¸öÖÝÔÚʹÓÃƽºâÉè¼Æ £¬ÆäËüÖÝÔòʹÓÃSuperpaveÌå»ýÉè¼ÆÒªÁì¼ûÁ¤Çà»ìÏýÁÏƽºâÉè¼ÆÖ÷Òª°üÀ¨¡°Ìå»ýÉè¼ÆÐÔÄÜÑéÖ¤¡±¡¢¡°ÐÔÄܸïеÄÌå»ýÉè¼Æ¡±ºÍ¡°ÐÔÄÜÉè¼Æ¡±ÈýÖÖÁ÷³Ì¡±[1] ¡£


Ìå»ýÉè¼ÆÐÔÄÜÑéÖ¤

Ê×ÏÈƾ¾ÝÌå»ýÉè¼ÆÒªÁìÈ·¶¨zui¼ÑÁ¤ÇàÓÃÁ¿ £¬È»ºóÆÀ¼Û»ìÏýÁϵĿ¹³Ã÷ÈÕÞÐÔÄÜ¡¢¿¹ÁÑÐÔÄܺÍË®Ëð»µÐÔÄÜ ¡£Èç¹û»ìÏýÁÏÉè¼ÆÂú×ãÐÔÄÜÊÔÑé±ê×¼ £¬ÔòÍê³ÉÄ¿±êÅäºÏ±ÈÉè¼Æ £»·´Ö® £¬»ìÏýÁÏÐèÒª½ÓÄɲî±ðµÄÔ­ÖÊÁÏ(¼¯ÁÏ»òÁ¤Çà)»òÖØнøÐÐÅäºÏ±ÈÉè¼Æ £¬Ö±ÖÁÐÔÄÜÖ¸±êÂú×ãÒªÇó ¡£Ä¿Ç°ÃÀ¹úµÄIllinois¡¢Louisiana¡¢New Jersey¡¢TexasºÍWisconsinµÈÖÝ £¬ÒÔ¼°ÎÒ¹úÆÕ±é½ÓÄɵÄÂíЪ¶ûÉè¼ÆÒªÁì¾ùÊǽÓÄÉÕâÖÖÁ÷³Ì ¡£


ÐÔÄܸïеÄÌå»ýÉè¼Æ

Ê×ÏÈƾ¾ÝÌå»ýÉè¼ÆÒªÁìÈ·¶¨³õʼ¼¯ÁÏ×é³ÉºÍÁ¤ÇàÓÃÁ¿ ¡£È»ºóƾ¾ÝÐÔÄÜÊÔÑé½á¹ûµ÷½âÁ¤ÇàÓÃÁ¿»ò»ìÏýÁϸ÷×é·ÖÐÔÄÜÒªÇóºÍ×é³É(È缯ÁÏ¡¢Á¤Çà¡¢ÔÙÉúÖÊÁϺÍÌí¼Ó¼Á) £¬Ö±ÖÁÐÔÄÜÖ¸±êÂú×ãÒªÇó ¡£¸ÃÁ÷³ÌÖ»ÒªÇózuiÖÕÉè¼Æ½á¹ûÂú×ãÐÔÄÜÖ¸±êÒªÇó £¬¶øÌå»ýÖ¸±ê¿ÉÒÔ²»Âú×ãÒªÇó ¡£Ä¿Ç°CaliforniaÖݽÓÄɸÃÁ÷³Ì ¡£


ÐÔÄÜÉè¼Æ

Ö±½Óƾ¾ÝÐÔÄÜÊÔÑé½á¹ûÈ·¶¨»ìÏýÁϵÄ×é³ÉºÍ±ÈÀý £¬¿ÉÒÔ²»¿¼ÂÇÌå»ýÖ¸±ê £¬Ò²¿ÉÒÔÌá³öÁ¤ÇàºÍ¼¯ÁϵÄzuiµÍÐÔÄÜÒªÇó ¡£Ö»ÒªÐÔÄÜÊÔÑé½á¹ûÂú×ã±ê×¼ £¬Éú²úʱ¿ÉÑéÖ¤Ìå»ýÖ¸±ê £¬µ«²»ÊÜÌå»ýÖ¸±êµÄÏÞÖÆ ¡£Ä¿Ç°ÉÐÎÞ»ú¹¹½ÓÄÉÕâÖÖÁ÷³Ì ¡£

¿ÉÒÔ¿´³ö £¬´ÓÁ÷³Ì(1)µ½Á÷³Ì(3)ÖÐ £¬È·¶¨Á¤ÇàÓÃÁ¿Ê± £¬ÐÔÄÜÖ¸±êµÄȨÖØÔÚÖð½¥Ôö´ó £¬Ñ¡ÓõÄÐÔÄÜÖ¸±ê¼°±ê×¼¡¢ÆÀ¼ÛÒªÁì¶ÔzuiÖյĽá¹ûÓ°ÏìÏÔÖø £¬ÕýÈçNCATµÄ½¨Òé £¬Óë·Ã没º¦Ïà¹ØµÄÐÔÄÜÊÔÑéÒªÁì¡¢Ö¸±ê¼°±ê×¼Ó¦ÊÇδÀ´Ñо¿µÄÖØdian ¡£ÏÖÐеĻìÏýÁÏÉè¼ÆÒªÁìÖÐ £¬·¨¹úÁ¤Çà»ìÏýÁÏÉè¼ÆÒªÁì¿ÉÒÔ¿´×÷ÊÇ¡°Æ½ºâÉè¼Æ¡± £¬ÆäÕë¶Ô²î±ðµØÇøÁ¤Çà·ÃæËù´¦µÄÇé¿ö¡¢ºÉÔصÈÌصã £¬Ìá³öºÏÊʵÄÐÔÄÜÒªÇó¡¢µÖ´ïÐÔÄܵÄƽºâÉè¼Æ £¬´Ó¶øÍê³É»ìÏýÁϵÄÉè¼Æ £¬¿ÉÊÇÆäÏà¹ØÐÔÄÜÊÔÑéÖ÷ÒªÓÃÓÚ»ìÏýÁÏÉè¼Æ½×¶Î ¡£ÃÀ¹úÓÐ14¸öÖݽ»Í¨²¿·ÖÔÚÖÊÁ¿°ü¹ÜÀú³ÌÖÐʹÓÃÐÔÄÜÖ¸±ê £¬Ö÷ÒªÓÃÓÚÅжϻìÏýÁÏÊÇ·ñÂú×ãÒªÇó[1] ¡£


Á¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁì¸ÅÊö

Å·ÖÞ

Å·ÖÞµÄÁ¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁìÖ÷ÒªÔÚÅ·ÖÞ±ê×¼EN12697ϵÁÐÖÐÓèÒÔ»®¶¨ £¬Èç±í1Ëùʾ ¡£´Ó±í1ÖпÉÒÔ¿´³ö £¬Å·ÖÞ±ê×¼ÖйØÓÚÿÖÖÆÆ»µÄ£Ê½¾ùÓвî±ðµÄÊÔÑéÒªÁì £¬ÇÒ¾ùÓÐÏàÓ¦µÄÖ¸±êÖµÒªÇó ¡£ÎÒ¹úÔÚÒý½ø·¨¹ú¸ßÄ£Á¿Á¤Çà»ìÏýÁÏÀú³ÌÖÐ £¬Ò²Òý½øÁËÆäÖеÄһЩÊÔÑéÒªÁì £¬ÈçÁ½µãÌÝÐÎÁºÍäÇúÊÔÑé¡¢´ó³ß´ç³Ã÷ÈÕÞÒÇÊÔÑéºÍ¶àÁÐÊ¿ÊÔÑéµÈ ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

ÃÀ¹ú

ÃÀ¹úÕë¶Ô²î±ð²¡º¦µÄÁ¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁìÈç±í2Ëùʾ £¬²¿·ÖÒªÁìÊÊÓÃÓÚͨÀýµÄ»ìÏýÁÏÉè¼ÆºÍÖÊÁ¿°ü¹Ü £¬ÆäËûµÄÊÔÑéÒªÁì¸ü¾Û½¹ÓÚÁ¤Çà»ìÏýÁÏ»ù±¾µÄÐÔÄܱê×¼ºÍÐÔÄÜÔ¤²â ¡£´Ó±í2ÖпÉÒÔ¿´³ö £¬Ä¿Ç°ÃÀ¹úÏà¹ØµÄÁ¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁìÖ÷ÒªÔÚAASHTO±ê×¼ºÍASTM±ê×¼ÖÐÓèÒÔ»®¶¨ £¬²¿·ÖÖÝÒ²Öƶ¨ÁËÏàÓ¦µÄÊÔÑéÒªÁì±ê×¼ £¬Ò²ÓÐÊÔÑéÒªÁìÕýÔÚÑо¿¿ª·¢ÖÐ £¬ÉÐδÐγɱê×¼»¯Îļþ ¡£ÓëÅ·Ö޹淶һÑù £¬Ã¿ÖÖ²¡º¦Ä£Ê½¾ù¶ÔÓ¦¼¸ÖÖÊÔÑéÒªÁì £»Ïà±ÈÅ·Ö޹淶 £¬ÃÀ¹ú¶ÔÁ¤Çà·ÃæµÄ¿ªÁÑÐÐΪ½øÐÐÁ˸üΪÏêϸµÄ·ÖÀà £¬°üÀ¨Î¶ÈÁÑ·ì¡¢·´ÉäÁÑ·ì¡¢bottom-upÆ£ÀÍ¿ªÁѺÍtop-downÆ£ÀÍ¿ªÁÑ ¡£


ÕâЩÐÔÄÜÊÔÑéÒªÁìÈôÒªÄÉÈë»ìÏýÁÏÉè¼ÆÖÐ £¬ÐëÌá³öÏàÓ¦µÄ¼¼ÊõÖ¸±êÒªÇó £¬ÒÔ°ü¹ÜÊÒÄÚÊÔÑéÓëÏÖ³¡Â·ÃæÐÔÄܾßÓÐÁ¼ºÃµÄÏà¹ØÐÔ £¬Í¬Ê±»¹Ð迼ÂÇÊÔÑéʱ¼ä¡¢Êý¾ÝÆÊÎöµÄÅÓ´óÐÔ¡¢ÊÔÑé±äÒìÐÔ¡¢É豸¿ÉÓÃÐԺͱ¾Ç® £¬ÒÔ¼°»ìÏýÁÏÉè¼Æ²ÎÊýµÄÃô¸ÐÐÔ ¡£NCHRP20-07Task406´Ó¶àά¶ÈÆÊÎöÁË»ìÏýÁÏ¿¹ÁÑÐÔÄܺͿ¹³Ã÷ÈÕÞÐÔÄÜÊÔÑéµÄÓÅȱµã £¬Èç±í3Ëùʾ £¬²¢µ÷ÑÐÁËÃÀ¹ú¸÷Öݽ»Í¨²¿·ÖºÍÀûÒæÏà¹Ø·½¹ØÓÚÿÖÖ²¡º¦ËùÆÚÍûµÄÊÔÑéÒªÁì £¬Õë¶ÔÿÖÖÀàÐ͵IJ¡º¦Ö§³ÖÂÊÅÅÃûÇ°ÈýµÄÊÔÑéÒªÁìÈç±í4Ëùʾ ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

2014ÄêTTI(Texas A&M Transportation Institute)µ£¸ºµÄNCHRP9-57ÏîÄ¿¡°Experimental Design for Field Validationof Laboratory Teststo Assess Cracking Resistance of Asphalt Mixtures"¿ªÕ¹ÁËһϵÁÐÊÔÑé £¬½«ÊÒÄÚÊÔÑéÓëÏÖ³¡ÑéÖ¤Ïà½áºÏ £¬ÆÀ¼ÛÁ¤Çà»ìÏýÁϵĿ¹ÁÑÐÔÄÜ £¬²¢Í¨¹ýÒµÖ÷¡¢¹¤Òµ½çºÍѧÊõ½çµÈ;¾¶µ÷ÑÐÁ˲î±ðÊÔÑéÒªÁìµÄÌصã £¬µ÷ÑÐÄÚÈÝ°üÀ¨£º(1)ÊÔÑéÒªÁì¿ÉÓÃÐÔ £»(2)¼òÒ×ÐÔ £»(3)±äÒìÐÔ £»(4)¶Ô»ìÏýÁϲÎÊýµÄÃô¸ÐÐÔ £»(5)Êý¾ÝÆÊÎöµÄÅÓ´óÐÔ £»(6)ÊÔÑéÉ豸µÄ¿ÉÓÃÐÔ/±¾Ç® £»(7)ʵÑéÊÒÓëÏÖ³¡µÄÏà¹ØÐÔ ¡£µ÷ÑлñµÃ²î±ðģʽÅÅÃûÇ°ÁеĿ¹ÁÑÐÔÄÜÊÔÑéÒªÁìÈç±í5Ëùʾ ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

Öйú

Ïà±ÈÎÒ¹úÏÖÐÐJTGE20-2011¡¶¹«Â·¹¤³ÌÁ¤Ç༰Á¤Çà»ìÏýÁÏÊÔÑé¹æ³Ì¡· £¬ÕýÔÚÐÞ¶©µÄ¡¶¹«Â·¹¤³ÌÁ¤Ç༰Á¤Çà»ìÏýÁÏÊÔÑé¹æ³Ì¡·Ôö¼ÓÁË19ÏîÁ¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁì £¬ÆäÖаüÀ¨Ç°ÊöµÄºº±¤³Ã÷ÈÕÞ¡¢Á¤Çà·ÃæÆÊÎöÒÇ¡¢°ëÔ²ÍäÇú·¨µÈ £¬Ä¿Ç°¸Ã¹æ³ÌÕýÔÚÕ÷ÇóÒâ¼ûÖÐ ¡£


Á¤Çà»ìÏýÁÏÐÔÄܵij£¼ûÆÀ¼ÛÖ¸±ê

¸ÅÊö

a)Å·ÖÞ

Å·Ö޵ĻìÏýÁÏÆÀ¼ÛÖ¸±êÒÔ·¨¹úΪÀý £¬·¨¹úÁ¤Çà»ìÏýÁÏÉè¼Æʱ½ÓÄɶàÁÐÊ¿ÊÔÑé(EN12697-12)¡¢´ó³ß´ç³Ã÷ÈÕÞÒÇ(·¨¹ú³Ã÷ÈÕÞ)(EN12697-22)¡¢Á½µãÌÝÐÎÁºÍäÇúÄ£Á¿(EN12697-26)ÒÔ¼°Á½µãÌÝÐÎÁºÍäÇúÊÔÑé(EN12697-24)ÆÀ¼ÛÁ¤Çà»ìÏýÁϵĿ¹Ë®Ëð»µÐÔÄÜ¡¢¿¹³Ã÷ÈÕÞÐÔÄÜ¡¢Ä£Á¿ÒÔ¼°¿¹Æ£ÀÍÐÔÄÜ £¬²¢Æ¾¾Ýyong¾Ã±äÐΡ¢¿¹Æ£ÀÍ¡¢¾¢¶ÈÄ£Á¿¡¢Ðýתѹʵºó¿Õ϶Âʺͽº½áÁϺ¬Á¿¶ÔÁ¤Çà»ìÏýÁϽøÐзּ¶ £¬Èçͨ¹ýÁ½µãÌÝÐÎÁºÊÔ¼þ¼ÓÔØ100X10^4´ÎµÄzuiС΢Ӧ±ä £¬½«EMEÁ¤Çà»ìÏýÁÏ·ÖΪ2¼¶ ¡£


b)ÃÀ¹ú

ÃÀ¹ú24¸öÖݽ»Í¨²¿·ÖµÄ»ìÏýÁÏÉè¼Æ¹æ·¶Ö뮶¨ÁË¿¹³Ã÷ÈÕÞÐÔÄÜÒªÇó £¬ÆäÖд󶼽ÓÄɺº±¤³Ã÷ÈÕÞÊÔÑé(HWTT,AASHTOT324)»òÁ¤Çà·ÃæÆÊÎöÒÇ(APA,AASHTOT340)À´ÆÀ¼ÛÁ¤Çà»ìÏýÁϵĿ¹³Ã÷ÈÕÞÐÔÄÜ ¡£

ÃÀ¹ú8¸öÖݽ»Í¨²¿·ÖÔÚÏÖÐлìÏýÁÏÉè¼Æ¹æ·¶ÖÐÌá³ö¿¹ÁÑÐÔÄÜÒªÇó ¡£ÆäÖÐ £¬²¿·ÖÖݽöÆÚÍûÆÀ¼Û¶ÔӦijһ¾ßÌ忪ÁÑģʽµÄ¿¹ÁÑÐÔÄÜ £¬ÆäËûÖÝÔòÆÚÍûÆÀ¼ÛÁ¤Çà»ìÏýÁ϶ÔÓ¦ËùÓпªÁÑģʽµÄ¿¹ÁÑÐÔÄÜ ¡£Ä¿Ç° £¬ÃÀ¹ú¸÷ÖÝÁ¤Çà»ìÏýÁÏÉè¼Æ¹æ·¶ÖУº(1)Õë¶ÔζȿªÁÑ £¬ÓÐ3¸öÖÝ(Iowa,MinnesotaºÍMissouri)Ìá³öÁËÒªÇó £¬ÇÒÊÔÑéÒªÁì¾ù½ÓÄÉÅÌÐÎѹËõÀ­ÉìÊÔÑé(DCT);(2)Õë¶Ô·´ÉäÁÑ·ì £¬ÓÐ4¸öÖÝÌá³öÁËÒªÇó £¬ÆäÖÐNewJerseyºÍTexasʹÓÃTexasÕÖÃæÊÔÑéÒÇ(OT) £¬MinoisʹÓõ¯ÐÔÖ¸Êý(I-FIT)ÒÔ¼°LouisianaʹÓÃÖеÈζÈÌõ¼þϵÄSCB(SCB-Jc);(3)Õë¶Ôbottom-upÆ£ÀÍ¿ªÁÑ £¬ÓÐ6¸öÖÝÌá³öÁËÒªÇó £¬ÆäÖÐIowa £¬NewJerseyºÍPennsylvaniaʹÓÃÈáÐÔÍäÇúÁºÆ£ÀÍÊÔÑé(BBF),MinoisʹÓÃI-FIT £¬LouisianaʹÓðëÔ²ÍäÇúSCB-JcÒÔ¼°TexasʹÓÃOT £¬ÐèҪ˵Ã÷µÄÊÇ £¬LouisianaʹÓÃÁ¤Çà»ìÏýÁÏÖеÈζÈʱµÄSCB-JcÊÔÑéÆÀ¼Û»ìÏýÁÏËùÓÐÀàÐ͵Ŀ¹ÁÑÐÔÄÜ £»(4)Õë¶Ôtop-downÆ£ÀÍ¿ªÁÑ £¬½öÓÐMnoisºÍLouisianaÕâ2¸öÖÝÌá³öÁËÒªÇó £¬²¢ÇÒÕâÁ½¸öÖÝʹÓÃI-FITºÍSCB-JcÆÀ¼ÛËùÓÐÀàÐ͵Ŀ¹ÁÑÐÔÄÜ £¬¶ø·Ç½ö½öÆÀ¼Û¶Ô¿¹top-downÆ£ÀÍ¿ªÁÑÐÔÄÜ ¡£

ÃÀ¹úÏÕЩËùÓÐÖݶ¼Ìá³öÁËÁ¤Çà»ìÏýÁϵĿ¹Ë®Ëð»µÐÔÄÜÒªÇó £¬ÆäÖÐ85£¥½ÓÄɵÄÊÔÑéÒªÁìΪTSR(AASHTOT283)»òºº±¤³Ã÷ÈÕÞÊÔÑé(HWTT £¬AASHTOT324) ¡£


c)Öйú

Ä¿Ç°ÖйúµÄ¹æ·¶ÖÐÖ÷Òª½ÓÄɶ¯Îȶ¨¶È¡¢ÆÆ»µÓ¦±ä¡¢½þË®ÂíЪ¶û²ÐÁô¶ÈºÍÅüÁÑÇ¿¶È±ÈÖ¸±êÆÀ¼ÛÁ¤Çà»ìÏýÁÏ £¬ÔÚһЩÌØÊâµÄ»ìÏýÁÏÖÐÒ²Ôö¼ÓÁËÆäËûÖ¸±ê £¬ÈçÒýÈë·¨¹úÁ¤Çà»ìÏýÁÏʱ £¬Ôö¼ÓÁËÆ£ÀͺÍÄ£Á¿µÄÖ¸±êÒªÇó ¡£


¿¹ÁÑÐÔÄÜÊÔÑé

a) ÅÌÐÎѹËõÀ­ÉìÊÔÑé(DCT)

ButtlarµÈ¿ª·¢ÁËDCTÊÔÑéÒÔ±íÕ÷Á¤Çà»ìÏýÁϵĵÍο¹ÁÑÐÔÄÜ[3] ¡£Ä¿Ç°¸ÃÒªÁìÒÑÄÉÈëASTM±ê×¼(ASTMD7313) £¬ÆÀ¼ÛÖ¸±êΪ¶ÏÁÑÄÜGr(µ±·åºóºÉÔؽµÖÁ0.1kNʱ £¬ÅÌÐÎÊÔ¼þ±»À뿪 £¬ºÉÔØ-CMODÇúÏßµÄÏ·½Ãæ»ý)¼ûͼ1 ¡£Ò»°ãÈÏΪ £¬GrÔ½´ó £¬Á¤Çà»ìÏýÁϵĿ¹ÁÑÐÔÄÜÔ½ºÃ ¡£¹ØÓÚÊÔÑé½á¹ûµÄÎȶ¨ÐÔ £¬Ñо¿±êÃ÷аèÁ¤Çà»ìÏýÁϵÄGrµÄ±äÒìϵÊýÒ»°ãΪ10% £¬Á¤Çà»ìÏýÁÏÖвôRAP/RASʱ £¬±äÒìϵÊýÒ»°ã¸ßÓÚ15% ¡£²¢ÇÒ¸ßÎÂʱ £¬Gr¶ÔÁ¤ÇàÓÃÁ¿¡¢¼¯ÁÏÖÖÀ༰ζÈÃô¸Ð £»¶øÔÚµÍκÍÖеÈζÈʱ £¬Gr¶ÔζȺͿÕ϶Âʾù²»Ãô¸Ð[4] ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

"InvestigationofLowTemperatureCrackinginAsphaltPavements-PhaseII"ÏîÄ¿½á¹û±êÃ÷ £¬GrÓë·Ãæʵ¼Ê¿ªÁÑ×´¿ö¾ßÓÐÁ¼ºÃµÄÏà¹ØÐÔ £¬²¢½¨ÒéGfÖµ²»Ó¦µÍǧ400J/©O ¡£ÐèҪ˵Ã÷µÄÊÇ350~400J/©OÊÇÒ»¸öÁÙ½çÖµ £¬ÔÚһЩ¿ÉÒÔ½ÓÊÜÖеÈˮƽ¿ªÁѵŤ³ÌÖÐ £¬»ìÏýÁϵÄGrÔÚ350~400J/©OʱÔÊÐíʹÓà £¬¶ø¹ØÓÚһЩÖØdian¹¤³Ì £¬Ôò½¨ÒéGÖµ²»Ó¦µÍÓÚ600J/©O[5] ¡£

ButtlarµÈÒ²Ìá³öÁË»ìÏýÁÏÉè¼ÆʱζȿªÁѵÄÆÀ¼Û±ê×¼ ¡£Íâò²ãÁ¤Çà»ìÏýÁϵÍοªÁÑÖ¸±êÒªÇó¼û±í6 ¡£µ±GrÓÃÓÚ»ìÏýÁÏÉè¼Æʱ £¬Ð迼ÂÇʵÑéÊÒ°èºÍ¡¢Ñ¹ÊµÀú³ÌÖеĶÌÆÚÀÏ»¯ £¬½¨ÒéGrÔÚ»ùÓھɷоÑùÊÔÑé»ñµÃµÄ±ê×¼»ù´¡ÉÏÔö¼Ó15%[5] ¡£±ðµÄ £¬GeºÍÁ¤Çà»ìÏýÁϵÄÆäËû𤵯ÐÔÄÜÓйØ(ÈçÈä±äÈáÁ¿) £¬Ò²¿É×÷ΪÁ¦Ñ§Ä£Ð͵ÄÊäÈëÔ¤²âÁ¤Çà»ìÏýÁϵÄζȿªÁÑ ¡£DaveµÈÑо¿±êÃ÷»ìÏýÁϵÄÀÏ»¯¶Ô¶ÏÁÑÄÜÓÐÒ»¶¨Ó°Ïì[6] ¡£HillµÈ[7]ºÍAmold[8]µÄÑо¿±êÃ÷»ìÏýÁÏÖвôÈëRAP»á½µµÍDCTÊÔÑé¶ÏÁÑÄÜ £¬DCTÊÔÑé¶ÔÔÙÉúÖÊÁϵIJô¼ÓÃô¸Ð ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

b)°ëÔ²ÍäÇúÊÔÑé(SCB)

MarasteanuµÈ¿ª·¢ÁËSCBÊÔÑéÒÔÆÀ¼ÛÁ¤Çà»ìÏýÁϵĵÍοªÁÑ[5,9] £¬Ä¿Ç°ÒÑÄÉÈëAASHTO±ê×¼(AASHTOTP105-13) ¡£ÓëDCTÊÔÑéÏàËÆ £¬SCBÊÔÑéÒ²ÒÔÁ¤Çà»ìÏýÁϵĶÏÁÑÄܱíÕ÷Æ俹ÁÑÐÔÄÜ £¬SCB¶ÏÁÑÄܵıäÒìϵÊýÒ»°ãΪ20%[5] £¬ÊÔ¼þ¿ÉÒÔΪʵÑéÊÒѹʵ³ÉÐÍ»òÕßÏÖ³¡È¡Ð¾ ¡£Å·ÖÞ±ê×¼EN12697-44ÖÐÒ²»®¶¨ÁËSCBÊÔÑéÒªÁì £¬ÆäÆÀ¼ÛÖ¸±êΪ¶ÏÁÑÈÍÐÔ ¡£


LiºÍMarasteanuµÈ[9]»ùÓÚMnRoad½ÓÄÉSCBÊÔÑéÑо¿Á˲î±ðÁ¤Çà(PG58-40 £¬PG58-34ºÍPG58-28)µÄ¶ÏÁÑÄÜ £¬Ñо¿½á¹û±êÃ÷ £¬¶ÏÁÑÄܶÔÁ¤ÇàÆ·¼¶Ãô¸Ð ¡£Î¶ÈΪ-30¡æʱ £¬PG58-40µÄÁ¤Çà»ìÏýÁ϶ÏÁÑÄÜzui¸ß £¬PG58-28µÄÁ¤Çà»ìÏýÁ϶ÏÁÑÄÜzuiµÍ £»Í¬Ê±Ñо¿Á˲î±ð¼¯ÁÏÖÖÀà(»¨¸ÚÑÒºÍʯ»ÒÑÒ)¡¢¿Õ϶ÂÊ(4%~7%£©ºÍÁ¤ÇàÓÃÁ¿(zui¼ÑÁ¤ÇàÓÃÁ¿ £¬zui¼ÑÁ¤ÇàÓÃÁ¿£«0.5%)¶Ô¶ÏÁÑÄܵÄÓ°Ïì £¬Ñо¿½á¹û±êÃ÷ £¬SCBÊÔÑé¶ÏÁÑÄܶԼ¯ÁÏÀàÐͺͿÕ϶ÂÊÃô¸Ð £¬¶ÔÁ¤ÇàÓÃÁ¿²»Ãô¸Ð £»µ±ÆäËûÒòËØÎÈ׼ʱ £¬»¨¸ÚÑÒ»ìÏýÁ϶ÏÁÑÄܸßÓÚʯ»ÒÑÒ»ìÏýÁÏ £»¿Õ϶ÂÊÔö¼Ó £¬¶ÏÁÑÄܽµµÍ £»Ôö¼ÓÁ¤ÇàÓÃÁ¿²¢²»»áÔö¼Ó¶ÏÁÑÄÜ ¡£


LiºÍWestµÄÑо¿±êÃ÷ £¬RAP²ôÁ¿Îª20£¥Ê± £¬SCB¶ÏÁÑÄÜÓëÔ­Á¤Çà»ìÏýÁÏ»ù±¾Ò»Ö £¬¶ø²ôÁ¿Îª40£¥Ê± £¬Ôò»áÏÔÖø½µµÍSCB¶ÏÁÑÄÜ ¡£NCHRPProject9-46[10]Ñо¿±êÃ÷ £¬¹ØÓڸ߲ôÁ¿RAPÁ¤Çà»ìÏýÁÏ £¬RAP²ôÁ¿¶ÔSCB¶ÏÁÑÄÜÓ°Ïì²»´ó ¡£

ÓëDCTÊÔÑéÏàËÆ £¬Minois £¬MinnesotaºÍWisconsinµÈµØµÄʵÌ幤³ÌÑо¿½á¹û±êÃ÷ £¬SCBÊÔÑé¶ÏÁÑÄܺÍÊӲ췶κáÏòÁÑ·ìµÄ×ܳ¤¶ÈÏà¹ØÐÔÁ¼ºÃ ¡£Ò»°ã½¨ÒéÁ¤Çà»ìÏýÁ϶ÏÁÑÄܲ»µÍÓÚ350J/©O,Èô¿¼ÂÇÁ¤Çà»ìÏýÁϵÄÀÏ»¯ £¬½¨Òé»ìÏýÁ϶ÏÁÑÄܲ»µÍÓÚ400J/©O[5] ¡£

MohammadµÈÈ˵ÄÑо¿±êÃ÷ £¬SCBÊÔÑé¿ÉÒÔÔ¤²âÁ¤Çà·Ã濹ÁÑÐÔÄÜ £¬¶ÏÁÑÄÜJCÖµÔ½´ó £¬ÖÊÁϵĿ¹¶ÏÁÑÐÔÄÜÔ½ºÃ £¬µ±JC´óÓÚ500~650J/©Oʱ £¬»ìÏýÁÏÔ¤ÆÚ¿ÉÌåÏÖ³öÁ¼ºÃµÄ¿¹ÁÑÐÔÄÜ ¡£


c) MinoisÈáÐÔÖ¸ÊýÊÔÑé(I-FIT)

ÓëMarasteanu¿ª·¢µÄSCBÊÔÑé²î±ð £¬Minois´óѧ¿ª·¢ÁËÁíÒ»ÖÖSCBÊÔÑéÒÔÆÀ¼ÛÁ¤Çà»ìÏýÁϵĿ¹ÁÑÐÔÄÜ[11] ¡£Á½Õß²î±ðÖ®´¦ÔÚÓÚ £¬Ç°ÕߵļÓÔØģʽΪ¿ØÖÆCMODËÙ¶ÈΪ0.03mm/min½øÐмÓÔØ £¬ºóÕߵĽÓÄÉ¿ØÖƱÊÖ±±äÐÎËÙ¶ÈΪ50mm/min½øÐмÓÔØ £¬Ä¿Ç°ÒÑÄÉÈëAASHTO±ê×¼ÖÐ(AASHTOTP124) ¡£

±ðµÄ £¬ÓÉÓÚ¶ÏÁÑÄÜGf²»¿ÉÇø·ÖÇ¿¶ø´àµÄ»ìÏýÁϺÍÈíÈõÓÐÑÓÐԵĻìÏýÁÏ £¬¹ÊMinois´óѧÒý½øÁËÈáÐÔÖ¸Êý(FI)²ÎÊý £¬FIÔ½¸ß £¬»ìÏýÁϵĿ¹ÁÑÐÔÄÜÔ½ºÃ ¡£Òò´Ë £¬¿Éͨ¹ýÌá¸ß¶ÏÁÑÄܽµµÍбÂʵִïÔö¼ÓFIµÄÄ¿µÄ £¬FIµÄ±äÒìϵÊýÒ»°ãÔÚ4.2%~21.3£¥¹æÄ£ÄÚ £¬Æ½¾ùֵΪ10% ¡£2016Äê £¬LippertµÄÑо¿±êÃ÷ £¬ºáÏò¿ªÁѺÍFI¾ßÓÐÁ¼ºÃµÄÏà¹ØÐÔ[2] ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

d)µÂÖÝÕÖÃæÒÇ(OT)

OTzui³õÓÃÀ´ÆÀ¼ÛÍÁ¹¤ºÏ³ÉÖÊÁÏ £¬2005ÄêZhouµÈÈ˸ïÐÂÁËOT[13] £¬²¢½«ÆäÓÃǧÆÀ¼ÛHMAÕÖÃæµÄ¿¹ÁÑÐÔÄÜ £¬ËæºóÑо¿ÈËÔ±Ö𽥿ªÊ¼Ê¹ÓÃOT £¬²¢ÈÏΪÆäÊÇʵÑéÊÒÇø·ÖºÍÆÀ¼Û»ìÏýÁϵĿ¹ÁÑÐÔÄܵĿɿ¿·½·¨ ¡£Loria±ÈÕÕÁ˲î±ðµÄHMA¿¹·´ÉäÁÑ·ìÐÔÄܵÄʵÑéÊÒÆÀ¼ÛÒªÁì £¬²¢ÈÏΪOTÊÇΨyi¾­¹ýÏÖ³¡ÑéÖ¤µÄʵÑéÊÒÒªÁì £¬ÇÒʵÑéÊÒÐÔÄÜÓëÏÖ³¡ÐÔÄܾßÓÐÁ¼ºÃµÄÏà¹ØÐÔ[14] ¡£

OTµÄÖ÷Òª×÷ÓÃÊÇÄ£Äâ·´ÉäÁÑ·ìµÄ±¬·¢ºÍÉú³¤ £¬Ä¿Ç°µÂÖݹ淶Tex-248-F¶ÔÆä½øÐÐÁËÏà¹ØÔ¼¶¨ £¬Æä±»TTIºÍTxDOTµÈʹÓà £¬ÆäËûÖÝÈçNew Jersey¡¢AlabamaµÈÒ²ÓÐʹÓà ¡£WalubitaµÈÑо¿±êÃ÷´ó´ó¶¼Ãܼ¶ÅäºÍ´Ö¼¶ÅäOTÊÔÑé½á¹û±äÒìϵÊýԼΪ30% £¬ÈÏΪÆäÓëÆäËûÖظ´ºÉÔØ¿ªÁÑÊÔÑéÏà±È £¬±äÒìϵÊý½ÏµÍ[5] ¡£


WalubitaµÈÈË[15]ÆÀ¼ÛÁËOTµÄÒªº¦ÊÔÑé°ì·¨ £¬ÒÔÓÅ»¯ÊÔÑé½á¹ûµÄÖظ´ÐÔ²¢½«±äÒìÐÔ½µÖÁzuiµÍ ¡£Ñо¿½á¹û±êÃ÷ £¬ÊÔÑù¸ÉÔïÒªÁì¡¢½ºð¤¼ÁÓÃÁ¿¡¢Æ½ÐÐÊÔ¼þÊýÁ¿¡¢¿Õ϶ÂÊ¡¢ÊÔÑéʱÊÔÑùµÄÀÏ»¯ºÍζȱä¸ï¶¼»áÓ°ÏìOT²âÊÔÖظ´ÐԺͱäÒìÐÔ £¬Èç¹ûÒªÁìÖжÔÕâЩ·½Ãæ½øÐиïлòÕß½øÒ»²½Ã÷È·Ïà¹ØÒªÇó £¬¿ÉÒÔʹ±äÒìÐÔ½µÖÁzuiµÍ ¡£

OT¿ÉÒÔÓÐЧ¼ø±ðÁ¤ÇàÓÃÁ¿¡¢Á¤ÇàÀàÐÍ¡¢¼¯Áϼ¶ÅäºÍ¿Õ϶ÂʵȶÔÁ¤Çà»ìÏýÁÏÐÔÄܵÄÓ°Ïì £¬²¢ÇÒʵÌ幤³ÌÊÓ²ì½á¹ûÏÔʾOTÊÔÑé½á¹ûºÍ·Ãæʵ¼Ê¿ªÁÑ×´¿öÏà¹ØÐÔÁ¼ºÃ ¡£BennertµÈÔÚMassachusettsµÄÏîÄ¿ÖÐÀֳɽÓÄÉOT¼ø±ð·´ÉäÁÑ·ì¹ýÔ籬·¢µÄÔ­Òò[16] ¡£


e)Á¤Çà»ìÏýÁϼä½ÓÀ­É쿪ÁÑÊÔÑé(IDEAL?CT)

ZhouµÈ¿ª·¢ÁËIDEAL-CTÊÔÑéÆÀ¼ÛÁËÁ¤Çà»ìÏýÁϵĿ¹ÁÑÐÔÄÜ £¬ÓëIDTÊÔÑé²î±ðµÄÊÇ £¬IDEAL?CTÊÔÑéµÄºÉÔØ-λÒÆÇúÏß²»µ«¿ÉÒÔÆÊÎözui´óÓ¦Á¦ £¬»¹Í¨¹ý¼Í¼ÊÔ¼þÍêÈ«ÆÆ»µÇ°µÄºÉÔغͱäÐÎ £¬Æ¾¾Ý¶ÏÁÑÁ¦Ñ§Ô­ÀíÍƵ½»ñµÃCTindex ¡£CTindexÊÇÊÔ¼þºñ¶È¡¢Gr¡¢·åÖµ75£¥´¦µÄλÒÆ¡¢·åÖµ75£¥´¦µÄFDбÂʺÍÊÔ¼þÖ±¾¶µÄº¯Êý £¬CTindexÔ½¸ß £¬ÊªºÏÁÏ¿¹ÁÑÐÔÄÜÔ½ºÃ £¬²¢ÇÒ¸ÃÖ¸±ê¶ÔÁ¤ÇàÓÃÁ¿Ãô¸Ð £¬Ä¿Ç°Ö÷ÒªÓÃÓÚÊÒÄÚ»ìÏýÁÏÆÀ¼Û £¬²¢Î´ÓÃÓÚÏÖ³¡ÑéÖ¤[17] ¡£


³Ã÷ÈÕÞÊÔÑé

a) Á¤Çà·ÃæÆÊÎöÒÇ(APA)

APAÊÔÑéÒÑΪAASHTO±ê×¼½ÓÄÉ(AASHTOT340) ¡£KandhalºÍCooley[8]ÔÚNCHRP9-17ÏîÄ¿ÖÐÑо¿ÁËAPAºÍÏÖ³¡³Ã÷ÈÕÞµÄÏà¹ØÐÔ £¬½á¹û±êÃ÷ £¬APAÊÔÑé»ñµÃµÄ³Ã÷ÈÕÞÉî¶ÈÓëFHWA¼ÓËÙ¼ÓÔØ(FHWA-ALF)¡¢WesTrack¡¢MnROADºÍ1-80(Nevada)ÏîÄ¿µÄÏÖ³¡³Ã÷ÈÕÞÉî¶È¾ßÓÐÁ¼ºÃµÄÏà¹ØÐÔ ¡£È»¶ø £¬ÔÚNCAT»·µÀµÄ10¸öÊÔÑé¶ÎÖÐ £¬APA»ñµÃµÄ³Ã÷ÈÕÞÉî¶ÈÓëÏÖ³¡³Ã÷ÈÕÞÉî¶ÈµÄÏà¹ØÐԽϲî £¬¸ÃÊÔÑé¶ÎÔÚ¼ÓÔØÁ½ÄêºóûÓзºÆðÃ÷ÏԵijÃ÷ÈÕÞ ¡ £»ùÓÚÓÐÏÞµÄÊý¾Ý £¬APAÒ²ÓëÆäËûÐÔÄÜÊÔÑé½øÐÐÁ˱ȽÏ £¬ÆÀ¼ÛÆäÓÃÓÚÏÖ³¡³Ã÷ÈÕÞÔ¤²âµÄ¿ÉÄÜÐÔ £¬ÈôÐèƾ¾Ýijһ¹¤³ÌµÄAPA³Ã÷ÈÕÞÉî¶ÈÔ¤²âÏÖ³¡³Ã÷ÈÕÞÉî¶È £¬Ðèƾ¾ÝÏà½üλÖúͽ»Í¨Çé¿ö½¨Á¢µÄÄ£ÐͽøÐÐÔ¤¹À ¡£FloridaÖÝÌá³öµÄAPA±ê׼Ϊ64CCÌõ¼þÏ £¬¼ÓÔØ8000´Îʱ³Ã÷ÈÕÞÉî¶Èzui´óΪ4.5mm ¡£


b)ºº±¤³Ã÷ÈÕÞÊÔÑé(HWTI)

ºº±¤³Ã÷ÈÕÞÊÔÑéÊÇÓɵ¹úµÄHelmut-Wind Incorporated of Hamburg¿ª·¢ £¬Ôڵ¹ú´ËÊÔÑé×÷Ϊ¹æ·¶µÄÒ»¸öÒªÇó £¬ÓÃÓÚһЩ½»Í¨Á¿´óµÄÐгµÃÅ· £¬ÒÔÆÀ¹À¿¹³Ã÷ÈÕ޺Ϳ¹°þÂäÐÔÄÜ ¡£µä·¶µÄºº±¤³Ã÷ÈÕÞÇúÏßΪƽ¾ù³Ã÷ÈÕÞÉî¶È-¼ÓÔØ´ÎÊýµÄÇúÏß £¬·ÖΪѹÃÜ¡¢Èä±äºÍ°þÂäÈý¸ö½×¶Î[9] £¬¼ûͼ3 ¡£³ý³Ã÷ÈÕÞÉî¶ÈÖ¸±êÍâ £¬ÉпɽÓÄÉ°þÂä·´Íäµã(SIP)Ö¸±ê £¬ÆäΪ³Ã÷ÈÕÞÉî¶ÈͻȻÔö¼ÓʱµÄ¼ÓÔØ´ÎÊý £¬ÇúÏßÉÏ·´Ó¦ÎªÈä±ä½×¶ÎºÍ°þÂä½×¶ÎÄâºÏÏߵĽ»µã ¡£SIPÖµÔ½¸ß £¬³Ã÷ÈÕÞÉî¶ÈÔ½µÍµÄ»ìÏýÁÏÐÔÄÜÔ½ºÃ ¡£Ñо¿±êÃ÷ £¬ºº±¤³Ã÷ÈÕÞÓë·ÃæÐÔÄܾßÓÐÁ¼ºÃµÄÏà¹ØÐÔ £¬¿ÉÊÇÆä²»¿ÉÇø·ÖijЩ»ìÏýÁÏÐÔÄܵÄÓÅÁÓ £¬Ä¿Ç°ºº±¤³Ã÷ÈÕ޹㷺ӦÓÃÓÚCalifornia £¬Colorado £¬MinoisÒÔ¼°IowaµÈ»ú¹¹ £¬ÎÒ¹úÏà¹Ø¹¤³ÌÖÐÒ²ÓнÓÄÉ £¬½­ËÕÊ¡Ò²ÑéÖ¤Á˵ÂÖݱê×¼¶ÔÊ¡ÄÚ³£ÓÃÁ¤Çà»ìÏýÁϵÄÊÊÓ¦ÐÔ ¡£AschenbreneµÈ[20]Ñо¿±êÃ÷HWTIÓë·ÃæÐÔÄܾßÓÐÁ¼ºÃµÄÏà¹ØÐÔ £¬¿ÉÊÇÓÐÑо¿±êÃ÷¶ÔһЩÐÔÄܺúͲîµÄ»ìÏýÁÏȱ·¦Çø·Ö¶È ¡£

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹

Edward T .HarriganÔÚNCHRP Project10-87ÖпªÕ¹ÁËÃÀ¹ú²î±ðµØÇøʵÑéÊÒºº±¤³Ã÷ÈÕޱȶÔÊÔÑé[21],̽ÌÖÁËÊÔ¼þÐÎ×´(°åʽ¡¢Ô²Öùʽ)¡¢²î±ðµØÇøÉ豸¡¢ÊÔ¼þÖƱ¸·½·¨(ʵÑéÊÒշѹ¡¢ÏÖ³¡È¡Ð¾)¡¢»ìÏýÁÏÀàÐÍËĸöÒòËعØÓÚºº±¤³Ã÷ÈÕÞÊÔÑé½á¹ûµÄÓ°Ïìˮƽ £¬Ñо¿±êÃ÷£º(1)ÏÖ³¡È¡Ð¾ÓëÏÖ³¡È¡³Ã÷ÈÕÞ°åµÄºº±¤³Ã÷ÈÕÞÊÔÑé½á¹ûÀëÉ¢ÐÔ½ÏС £¬²¢ÇÒÊÔ¼þÐÎ×´¹ØÓÚºº±¤³Ã÷ÈÕÞÊÔÑé½á¹ûµÄÓ°Ïì½ÏÐ ¡ £»(2)²î±ðµØÇøʵÑéÊÒºº±¤³Ã÷ÈÕÞÉî¶ÈÀëÉ¢ÐԽϴó £¬ÌÞ³ý³Ã÷ÈÕÞÉî¶ÈÀëÉ¢½Ï´óÑù±¾ £¬³Ã÷ÈÕÞÉî¶ÈÏà²îÔ¼5~8mm,°åʽÓëÔ²ÖùʽÊÔ¼þ³Ã÷ÈÕÞÉî¶ÈÉú³¤Ç÷ÊÆ»ù±¾Ò»Ö £»(3)¹ØÓÚ¿¹³Ã÷ÈÕÞÐÔÄÜÓÅÒìµÄÁ¤Çà»ìÏýÁÏ(ºº±¤³Ã÷ÈÕÞÊÔÑé³Ã÷ÈÕÞÉî¶ÈÔÚ12.5mmÒÔÄÚ)µÄÁ¤Çà»ìÏýÁÏ £¬ÀëÉ¢ÐÔ½ÏС £¬¹ØÓÚ¿¹³Ã÷ÈÕÞÐÔÄܽϲîµÄÁ¤Çà»ìÏýÁÏ £¬ÀëÉ¢ÐԽϴó £»(4)½¨Òé¹ØÓÚ³Ã÷ÈÕÞÉî¶È½ÏСµÄÁ¤Çà»ìÏýÁϽøÐÐÖظ´ÊÔÑéÒÔ°ü¹ÜÊÔÑé½á¹ûµÄ׼ȷÐÔ ¡£


c) Öظ´ºÉÔØÈä±äÊÔÑé(FlowNumber)

Öظ´ºÉÔØÈä±äÊÔÑéÒ²½ÐFlowNumber(FN)ÊÔÑé £¬ÆäÆÀ¼ÛÖ¸±êΪӦ±äËÙÂʵִïzuiµÍµãʱµÄ¼ÓÔØ´ÎÊýFN ¡£FNÔö¼Ó £¬ÖÊÁϵĿ¹³Ã÷ÈÕÞÐÔÄÜÔö¼Ó ¡£WesTrack £¬MnROADÒÔ¼°FHWA-ALFµÈʵÌ幤³ÌµÄÊÓ²ì½á¹û±êÃ÷ £¬FNºÍ»ìÏýÁϵĿ¹³Ã÷ÈÕÞÐÔÄܾßÓÐÁ¼ºÃµÄÏà¹ØÐÔ[22.23] £¬Í¬Ê±NCHRP9-33Ò²Ìá³öÁËHMAºÍWMAµÄFN±ê×¼[24] ¡£Å·±êEN12697-25Ò²»®¶¨ÁËÖظ´ºÉÔØÈä±äÊÔÑéÒªÁì £¬Æä°üÀ¨Á½ÖÖ¼ÓÔØģʽ £¬Çø±ðÔÚÓÚÊÇ·ñ¿¼ÂÇΧѹµÄ×÷Óà £¬Î§Ñ¹Îª¾²Ì¬Õվɶ¯Ì¬ ¡£


d) ´ó³ß´ç³Ã÷ÈÕÞÒÇ(·¨¹ú³Ã÷ÈÕÞ)(FRT)

´ó³ß´ç³Ã÷ÈÕÞÒÇÒ²½Ð·¨¹ú³Ã÷ÈÕÞÊÔÑéÒÇFRT,ÓÉ·¨¹ú·ÇÅÖÐÐÄʵÑéÊÒLCPC¿ª·¢ºÍÑÐÖÆ £¬ÒÑÔÚ·¨¹úÀÖ³ÉʹÓÃ20aÒÔÉÏ £¬²¢ÀֳɼõÉÙÁËÁ¤ÇàÍÁ·ÃæÉϳÃ÷ÈÕÞµÄÊýÁ¿ £¬¾ßÌå±ê×¼¿É²Î¿¼EN12697-22 ¡£FRTÒÑÀÖ³ÉÔÚÃÀ¹ú»ñµÃÓ¦Óà £¬Ó¦ÓÃzui¶àµÄÊÇ¿ÆÂÞÀ­¶àÖݺÍÁª°î¸ßËÙ¹«Â·¾ÖµÄTurner? Fairbank¹«Â·Ñо¿ÖÐÐÄ(TFHRC) £¬Î÷²¿»·µÀÑо¿ÏîÄ¿×ۺϿ¼ÂÇ·¨¹úµÄÆÀ¼Û±ê×¼ºÍ¿ÆÂÞÀ­¶àÖݵÄÑо¿½á¹ûºóÈÏΪFRTÊÔÑé±È½ÏÊؾÉ £¬ÆÀ¼Û±ê׼ӦΪÊÔ¼þ¾­30000´Î¼ÓÔØÖ®ºó±äÐÎÁ¿ÎªÊÔ¼þ³õʼºñ¶ÈµÄ10£¥±È½ÏºÏÊÊ £¬Êý¾Ý±êÃ÷FRT³Ã÷ÈÕÞÉî¶È10mm(100mmºñÊÔ¼þ±äÐÎÁ¿µÖ´ï10%)ԼĪ¶ÔӦʵ¼Ê·Ãæ³Ã÷ÈÕÞÉî¶È12.5mm ¡£


¿¹Ë®Ëð»µÊÔÑé

Á¤Çà»ìÏýÁϵÄË®Ëð»µÊÔÑé £¬³ý¸÷¹úÁ¤Çà»ìÏýÁÏÉè¼Æ¹æ·¶µÄË®Ëð»µÊÔÑéÒªÁ죨È綳ÈÚÅüÁÑ¡¢¶àÁÐÊ¿µÈÒªÁ죩Íâ £¬»¹°üÀ¨ºº±¤³Ã÷ÈÕÞÊÔÑéÒªÁì £¬Ò»°ãÆÀ¼ÛÖ¸±êΪSIP ¡£AschenbrenerÑо¿±êÃ÷ÔÚColorado conditionsµÄÌõ¼þÏ £¬µ±SIP´óÓÚ14000´Îʱ £¬»ìÏýÁϾßÓÐÁ¼ºÃµÄ¿¹Ë®Ëð»µÐÔÄÜ(10-15a) ¡£


¾¡¹Üºº±¤³Ã÷ÈÕÞÊÔÑé±»Ðí¶à¹«Â·»ú¹¹¹ã·º½ÓÄÉ £¬ÔÚÊÔÑéÒªÁìºÍÊý¾ÝÆÊÎö²ãÃæÒÀ¾É±£´æ¼¸¸öÎÊÌâ ¡£NCHRP9-49µÄ½á¹ûÏÔʾ £¬Ä¿Ç°SIPºÍ³Ã÷ÈÕÞÉî¶È²¢²»×ÜÊÇÄܹ»×¼È·µØÆÀ¼ÛijЩ»ìÏýÁÏ ¡£Îª¸üºÃµØÆÊÎöºº±¤³Ã÷ÈÕÞÊÔÑé½á¹û £¬YinµÈ¿ª·¢ÁËеÄÒªÁì £¬Äܹ»»®·ÖÆÀ¼Û¿¹Ë®Ëð»µÐÔÄܺͿ¹³Ã÷ÈÕÞÐÔÄÜ £¬²¢ÇÒ¾«¶ÈÓÐÁËÏÔÖøµÄÌáÉý ¡£ÒªÁìΪ£º(1)ƾ¾Ý³Ã÷ÈÕÞÉî¶ÈºÍ¼ÓÔØ´ÎÊýÇúÏß £¬Ê×ÏȽÓÄɸ´º¯Êý·½³Ì¶Ôºº±¤³Ã÷ÈÕÞÊÔÑéÊý¾Ý½øÐÐÄâºÏ £¬·½³Ì°üÀ¨¸ºÇúÂʲ¿·ÖºÍÕýÇúÂʲ¿·Ö £¬ÇúÂʱ¬·¢±ä¸ïµÄÁÙ½çµã´ú±í°þÂä´ÎÊý(SN) £¬´ËʱµÄ¼ÓÔØ´ÎÊýLCSNΪˮËð»µÐÔÄܵÄÆÀ¼Û²ÎÊý £»(2)½ÓÄÉTseng-LyttonÄ£ÐÍÄâºÏ°þÂäÇ°µÄÕ³ËÜÐÔÓ¦±ä £¬ÒÔSNʱµÄбÂÊ×÷Ϊ±íÕ÷¿¹³Ã÷ÈÕÞÐÔÄܵIJÎÊý £»(3)µ±SN·ºÆðºó £¬½ç˵°þÂä(°þÂäÓ¦±ä)ÒýÆðµÄyong¾Ã±äÐÎΪ×ܵÄyong¾ÃÐÔ±äÐκÍÔ¤¼ÆµÄÕ³ËÜÐÔÓ¦±äÖ®ºÍ £¬Ê¹ÓÃÖ¸ÊýÄ£ÐÍÄâºÏ°þÂäºó½×¶Î £¬SNºó³Ã÷ÈÕÞÉî¶ÈµÖ´ï12.5mmËùÐèÒªÔö¼ÓµÄºÉÔØ´ÎÊýLCSTΪ°þÂäºóË®Îȶ¨ÐÔµÄÆÀ¼Û²ÎÊý ¡£LCSNºÍLCSTÔ½¸ß £¬Ð±ÂÊÔ½µÍ £¬»ìÏýÁϵĿ¹Ë®Ëð»µÐÔÄܺͿ¹³Ã÷ÈÕÞÐÔÄÜÔ½ºÃ[25] ¡£


½áÂÛÓ뽨Òé

a)Á¤Çà»ìÏýÁÏƽºâÉè¼ÆÒªÁìzuiÖÕÑ°ÇóµÄÊÇ»ìÏýÁÏÐÔÄܵÄƽºâ £¬¼´Æ¾¾Ý²î±ðÓ¦ÓÃÇé¿ö¶Ô»ìÏýÁÏÐÔÄܵÄÒªÇó £¬Ìá³öÌض¨Ê¹ÓÃÌõ¼þÏÂÁ¤Çà»ìÏýÁÏÐÔÄܵÄÐèÇó¾ØÕó ¡£

b)Ä¿Ç°Å·ÃÀ¹ú¼ÒÓÐÐí¶àÁ¤Çà»ìÏýÁÏÊÔÑéÒªÁì £¬¿ÉÊÇ×ÜÌå¶øÑÔ £¬ÓëÒªÁìÏà¹ØµÄÖ¸±ê¼¼ÊõÒªÇó½ÏÉÙ ¡£

c)ÓëÁ¤Çà·Ã没º¦Ïà¹ØµÄÐÔÄÜÊÔÑéÒªÁìÊÇδÀ´Æ½ºâÉè¼ÆÉú³¤µÄÖØdianÆ«Ïò £¬Ä¿Ç°Á¤Çà»ìÏýÁϵÄÐÔÄÜÊÔÑéÖ÷ÒªÓ¦ÓÃÓÚÅäºÏ±ÈÉè¼ÆºÍÊÒÄÚÆÀ¼Û½×¶Î £¬ÓÃÓÚÏÖ³¡ÖÊÁ¿°ü¹ÜµÄÊÔÑéÒªÁì½ÏÉÙ ¡£

d)½¨ÒéÍƽøÁ¤Çà»ìÏýÁÏÐÔÄܹ淶 £¬Í¨¹ýÑо¿Óë·ÃæÐÔÄÜÏà¹ØÁªµÄÊÔÑéÒªÁì¡¢Ö¸±ê¼°¼¼ÊõÒªÇó £¬½¨Á¢ÍêÉƵÄÁ¤Çà·ÃæÖÊÁ¿ÆÀ¼ÛÊֶΠ¡£

½¨Ò鿪չÏà¹ØÁ¤Çà»ìÏýÁÏÐÔÄÜÊÔÑéÒªÁì¡¢Ö¸±ê¼°¼¼ÊõÒªÇóµÄÖйú±ê×¼»¯Ñо¿ £¬½«Ó¦Óó¡¾°´Ó»ìÏýÁÏÉè¼Æ½×¶ÎÍÆÏòÏÖ³¡ÖÊÁ¿°ü¹Ü½×¶Î £¬ÊµÏÖÖÊÁÏÉè¼ÆÓëÊ©¹¤Ò»Ì廯 ¡£


²Î¿¼ÎÄÏ×£º

[1] West R, Rodezno C, Leiva F, et al. Development of a framework for balanced mix design[J]. NCHRP project.2018:20-27.

[2] Zhou F, Newcomb D, Gurganus C, et al. Experimental design for field validation of laboratory tests to assess cracking resistance of asphalt mixtures)].NCHRP Project, 2016( 9-57 )

[3] Wagoner M P, Buttlar W G, Paulino G H, et al. Laboratory[3]testing suite for characterization of asphalt concrete mixtures obtained from field cores ( with discussion)[J]. Journal of the Association of Asphalt Paving Technologists, 2006,75.

[4] Marasteanu M, Zofka A, Turos M, et al. Investigation of low temperature cracking in asphalt pavements nationa pooled fund study 776[J]. 2007.

[5] Marasteanu M, Buttlar W, Bahia H, et al. Investigation of low temperature cracking in asphalt pavements national pooled fund study - phase Il[J]. 2012.

[6] Dave E V, Behnia B, Ahmed S, et al. Low temperature fracture evaluation of asphalt mixtures using mechanical testing and acoustic emissions techniques[J]. Jounal of the Association of Asphalt Paving Technologists, 2011,80.

[7] Hill B,Behnia B,Buttlar WG,et al. Evaluation of warm mix asphalt mixtures containing reclaimed asphalt pavement through mechanical performance tests and an acoustic emission approach|]]. Journal of Materials in Civil Engineering,2013,25(12):1887-1897

[8] Arnold J W, Behnia B, McGovern M E, et al. Quantitative evaluation of low¡­temperature performance of sustainable asphalt pavements containing recycled asphalt shingles(RAS )[J].Construction and Building Materials,2014.58:1-8.

[9] Li X,Marasteanu M. Evaluation of the low temperature fracture resistance of asphalt mixtures using the semi circular bend test: Association of Asphalt Paving Technologists Proceedings of the Technology Sessions, AAPT 20042004[C].

[10 ]West RC,Willis JR, Marasteanu M O. Improved mix design, evaluation, and materials management practices for hot mix asphalt with high reclaimed asphalt pavement content[M]. Transportation Research Board, 2013.

[11]Al-Qadi I L, Ozer H, Lambros J, et al. Testing protocols to ensure performance of high asphalt binder replacement mixes using RAP and RAS|R].Illinois Center for Transportation/Illinois Department of Transportation, 2015.

[12]Lippert DL,Wu S, Ozer H,et al. Construction and performance monitoring of various asphalt mixes in illinois:2016 interim report[R].Illinois Center for Transportation Illinois Department of Transportation, 2017.

[13]Zhou F, Scullion T. Overay tester: A rapid performance related crack resistance test[Ml. Texas Transportation Institute, 'Texas A & M University System, 2005

[14 ]Loria-Salazar L G.Reflective cracking of flexible pavements: Literature review, analysis models, and testing methods[M]. University of Nevada, Reno, 2008.

[15] Walubita L F, Faruk A N, Das G, et al. The overlay tester: a sensitivity study to improve repeatability and minimize variability in the test results.[R].Texas Transportation Institute, 2012.

[16] Bennert T, Maher A. Field and laboratory evaluation of a reflective crack interlayer in New Jersey[J]. Transportation Research Record,2008,2084(1):114-123.

[17] Zhou F, Im S, Sun L,et al. Development of an IDEAL cracking test for asphalt mix design and QC/QA[J]. Road Materials and Pavement Design, 2017,18 (sup4):405-427

[18] Kandhal P S,Cooley I A. Accelerated laboratory rutting tests: Evaluation of the asphalt pavement analyzer[M].Transportation Research Board, 2003.

[19] Solaimanian M, Harvey J, Tahmoressi M, et al. Test methods to predict moisture sensitivity of hot-mix asphalt pavements Transportation research board national seminar. San Diego California, 2003[C].

[20] Aschenbrener T.Evaluation of Hamburg wheel-tracking device to predict moisture damage in hot-mix asphalt[j]Transportation Research Record, 1995,1492:193.

[21] Azari H. AASHTO T 209: Effect of Agitation Equipment Type on Theoretical Maximum Specifc? Gravity Values[M]. Transportation Research Board, 2012.

[22] Kaloush K E. Simple performance test for permanent deformation of asphalt mixtures.[J]. 2002.

[23] Witczak M W. Specifcation criteria for simple performance tests for rutting[M]. Transportation Research Board, 2007.

[24] Advanced Asphalt Technologies L. A Manual for Design of Hot Mix Asphalt with Commentary[M). Transportation Research Board, 2011.

[25]Yin F, Arambula E, Lytton R, et al. Novel method for moisture susceptibility and rutting evaluation using Hamburg wheel tracking test[J]. Transportation Research Record,2014,2446(1):1-7.

È«ÎÄÍê Ðû²¼ÓÚ¡¶Ê¯ÓÍÁ¤Çà¡·2020Äê12ÔÂ?×÷Õß¼ò½é£ºÂÀÕýÁú £¬ÄÐ £¬2013Äê˶ʿ½áҵǧºÓº£´óѧÖÊÁÏѧרҵ £¬Ä¿Ç°´ÓÊÂÁ¤Çà»ìÏýÁÏÆÀ¼ÛºÍÁ¤Çà·ÃæÉè¼ÆÏà¹ØÑо¿ÊÂÇé

ÎÄÕÂתÔØÓÚ¡°Á¤Çà·Ã桱ÃñÖÚºÅ

ÎÒ˾²¿·ÖÎÄÕÂÀ´Ô´ÓÚÍøÂç £¬Î´ÄÜÓëÔ­×÷ÕßÈ¡µÃÁªÏµ £¬ÈçÉæ¼°°æȨÎÊÌâÇëÓëÎÒÃÇÁªÏµ £¬ÎÒÃÇ»áʵʱ´¦Àí

Á¤Çà»ìÏýÁÏƽºâÉè¼Æ¼°ÐÔÄÜÊÔÑéÒªÁìÑо¿½øÕ¹


Á˽â¸ü¶à²úÆ·ÐÅÏ¢ £¬»ñÈ¡²úÆ·×ÊÁÏ £¬½Ó´ý´¹Ñ¯TIPTOPBsportsÌåÓý

ЧÀÍÈÈÏß | 400-633-0508? ? ÓÊÏ䣺tiptop@tiptoptest.com

·ÖÏí£º