| ²é¿´: 1386 | »Ø¸´: 5 | |||||
ÁãËéµÄ¼ÇÒäͳæ (³õÈëÎÄ̳)
|
[ÇóÖú]
ÄÄλ´óÉñ°ïæ·Òëһϰ¡£¬¹ØÓÚ»ìÄýÍÁ×ÔÐÞ¸´µÄ£¬Íò·Ö¸Ð¼¤........ ÒÑÓÐ2È˲ÎÓë
|
|
Enhancing the longevity of our built infrastructure will undoubtedly reduce the impact of mankind¡¯s activities on the stability of the biosphere. Attempts to justify fundamental and risky research by promising the solutions of the serious environmental problems faced by society today may sound a bit modish. This, however, should not keep us from starting this research. Not starting this research will worsen the situation. Moreover, a direct benefit for many parties involved in the building industry and for society as a whole is conceivable if it were possible to improvethequality and servicelife ofconcretestructures.Historically,the concrete in these structures has been designed to meet predefined specifications at the start of its life. Longevity of the structure is then monitored through maintenance programs. More recently, however, material scientists have begun to adopt a change in philosophy whereby adaptability or ¡®¡®self-healing¡¯¡¯ of the material over time is explicitly considered. The inspiration for this change has often come from nature through biomimicry. In concrete, early research in this self-healing area has focusedon boththe natural ability ofhydratestoheal cracks overtime,and artificial means of crack repair from adhesive reservoirs embedded within the matrix. |
» ²ÂÄãϲ»¶
304Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
²ÄÁϹ¤³Ìר˶µ÷¼Á
ÒѾÓÐ6È˻ظ´
Ò»Ö¾Ô¸Ìì´ó²ÄÁÏÓ뻯¹¤£¨085600£©×Ü·Ö338
ÒѾÓÐ4È˻ظ´
085700×ÊÔ´Óë»·¾³308Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
Çó²ÄÁϵ÷¼Á
ÒѾÓÐ8È˻ظ´
294Çóµ÷¼Á²ÄÁÏÓ뻯¹¤×¨Ë¶
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ£¬080502£¬354·ÖÇóµ÷¼Á
ÒѾÓÐ4È˻ظ´
Ò»Ö¾Ô¸¼ªÁÖ´óѧ²ÄÁÏѧ˶321Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
085410È˹¤ÖÇÄÜר˶317Çóµ÷¼Á£¨0854¶¼¿ÉÒÔ£©
ÒѾÓÐ3È˻ظ´
330Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
¼¸¸öÃû´Ê£¬Çó´óÉñ°ïæ·ÒëÏÂ
ÒѾÓÐ5È˻ظ´
ÈÈÖØ-²îÈÈ·ÖÎöµÄͼ£¬Äĸö´óÉñ°ïæ½âÊÍÒ»ÏÂß¡¡
ÒѾÓÐ6È˻ظ´
Çó¸ßÊÖ°ïæ·Ò룡£¡²»Ê¤¸Ð¼¤£¡£¡
ÒѾÓÐ2È˻ظ´
¸÷λ´óÉñÃÇ ¹ØÓÚͶ¸åСµÜÓм±ÊÂÏàÇó
ÒѾÓÐ5È˻ظ´
¼¸¸ö¾ä×Ó°ïæ·Òëһϣ¡
ÒѾÓÐ2È˻ظ´
¡¾ÇóÖú¡¿Çë´óÉñ°ïÎÒ·ÒëÒ»¾ä»°
ÒѾÓÐ3È˻ظ´
ÓÐÄÄλ´óÉñ¿ÉÒÔ½»Ò»Ï£¬´¿îâµÄµç½âÅ׹ⷽ·¨°¡£¿²»Ê¤¸Ð¼¤£¡£¡
ÒѾÓÐ7È˻ظ´
Çó´óÏÀ·Ò룬¼±ÓÃ
ÒѾÓÐ0È˻ظ´
Çó¸ßÊÖ°ïæ·ÒëÏÂ
ÒѾÓÐ1È˻ظ´
Çë´óÉñ°ïæ·ÒëÒ»¾ä»°
ÒѾÓÐ5È˻ظ´
¸÷λ°ïæ·ÒëÒ»ÏÂÕâ¶Î°¡
ÒѾÓÐ4È˻ظ´
¹òÇó¸÷λ´óÉñ°ïæ
ÒѾÓÐ3È˻ظ´
¼±ÇóÕâÆªÎÄÏ׵ķÒë°¡£¡£¡¸÷λ´óÉñ°ï°ïСµÜµÄæ°¡
ÒѾÓÐ10È˻ظ´
Çó°ïæ·ÒëÒ»ÏÂ
ÒѾÓÐ5È˻ظ´
Çë½Ì¸ßÊÖ°ïæ»¸öͼ°É£¬Íò·Ö¸Ð¼¤£¡
ÒѾÓÐ8È˻ظ´
ÄÄλ°ïæ×öһϣ¬¼±Ðè´ð°¸
ÒѾÓÐ18È˻ظ´
Çó¸÷λ´óÉñÖ¸µãһϣ¬²»Ê¤¸Ð¼¤!
ÒѾÓÐ12È˻ظ´
´óÉñÀ´°ïæ½âÊÍһϣ¬ÉÏÏÂÁ½¸öͼÊÇʲôÒâ˼
ÒѾÓÐ10È˻ظ´
Çó´óÉñ°ïÎÒ·ÒëÒ»ÏÂÕâ¶Î»°°¡ ¡¢Ð¡µÜ¸Ð¼¤²»¾¡£¡£¡£¡¼±ÓÃ
ÒѾÓÐ12È˻ظ´
ºÏ³É¹È°±ËáÜÐõ¥Óöµ½µÄÎÊÌâ
ÒѾÓÐ5È˻ظ´
ÄÄλ´óÉñÀ´Ö¸µ¼ÏÂÊý×ÖÐźŴ¦ÀíÔõôѧ£¬¸Ð¼¤²»¾¡
ÒѾÓÐ30È˻ظ´
˰ïÎÒËãÒ»ÏÂÁ¬½ÓÌåϵ°¡£¿£¿ÄܽÌÎÒÒ»ÏÂÂ𣿣¿
ÒѾÓÐ11È˻ظ´
²©µ¼Õâô»ØÐÅ£¬²»ÖªÓÐûÓÐÏ·£¬´ó¼Ò°ïæ·ÖÎöһϰ¡£¬Ð¡µÜ¸Ð¼¤²»¾¡£¡
ÒѾÓÐ6È˻ظ´
GUS»ùÒòÓëÆô¶¯×ÓÐòÁмì²â
ÒѾÓÐ5È˻ظ´

wrgeng
ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
-

ר¼Ò¾Ñé: +264 - Ó¦Öú: 111 (¸ßÖÐÉú)
- ¹ó±ö: 0.16
- ½ð±Ò: 24849.3
- É¢½ð: 150
- ºì»¨: 48
- Ìû×Ó: 4707
- ÔÚÏß: 629.5Сʱ
- ³æºÅ: 1227257
- ×¢²á: 2011-03-09
- ÐÔ±ð: GG
- רҵ: Äý¾Û̬ÎïÐÔI:½á¹¹¡¢Á¦Ñ§ºÍ
- ¹ÜϽ: ¾«Ï¸»¯¹¤
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, ¸ÐлӦÖú£¬BB½±Àø£¬»¶Ó³£À´±¾°æ²ÎÓë½»Á÷~~~ 2013-12-19 09:32:46
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, ¸ÐлӦÖú£¬BB½±Àø£¬»¶Ó³£À´±¾°æ²ÎÓë½»Á÷~~~ 2013-12-19 09:32:46
|
ÑÓ³¤½¨ÖþÎïµÄʹÓÃÊÙÃüÎÞÒÉ»á¼õÉÙÈËÀà¶ÔÉú̬»·¾³Îȶ¨ÐÔµÄÓ°Ïì¡£ ÏÖÔÚÓÐÒ»ÖÖÐÐΪ·Ç³£Ê±÷Ö£¬¾ÍÊÇŬÁ¦È¥Ö¤Ã÷½â¾öÏÖ´úÉç»áÃæÁÙÑÏÖØµÄ»·¾³ÎÊÌ⣬ÊÇÊ®·Ö±ØÒªºÍÆÈÇеġ£È»¶ø£¬Õâ²¢²»ÄÜ×èÖ¹ÎÒÃÇ¿ªÊ¼Ñо¿¹¤×÷¡£Èç¹û²»ÂíÉÏ¿ªÕ¹¹¤×÷£¬Çé¿ö½«»á±äµÃ¸üÔã¡£¶øÇÒÈç¹ûÄÜÔö¼Ó½¨ÖþµÄÖÊÁ¿²¢ÑÓ³¤ÆäʹÓÃÊÙÃü£¬¶Ô½¨ÖþÒµºÍÕû¸öÉç»á¶¼ÊÇÖ±½ÓÓÐÒæ´¦µÄ¡£ÒÔǰ£¬¶¼ÊÇÕâЩ½¨ÖþÔÚÉè¼ÆÊ±¾Í±»Ô¤ÏÈÉè¼ÆÎªÒ»¶¨µÄʹÓÃÄêÏÞ£¬²¢Í¨¹ýά»¤¹¤×÷ÑÓ³¤ÆäʹÓÃÊÙÃü¡£È»¶ø£¬ÏÖÔÚ²ÄÁÏ¿ÆÑ§Ìá³öÒ»ÖÖÏë·¨£¬¾ÍÊÇÏ£Íû¿ª·¢³öÒ»Öֿɵ÷Õû£¬»òÕß˵ÊÇ¡°×ÔÎÒÐÞ¸´¡±µÄ²ÄÁÏ¡£²úÉúÕâÖÖÏë·¨µÄÁé¸ÐÀ´×ÔÓÚ·ÂÉúѧ¡£¹ØÓÚ×ÔÐÞ¸´ÁìÓòµÄÑо¿£¬×îÔ缯ÖÐÓÚ£¨ÔÎĸ´Öƹý³ÌÖУ¬ÓдíÎó£© T In concrete, early research in this self-healing area has focusedon both the natural ability of hydratesto heal cracks overtime,¸Ã·½·¨À´ÓëÓÚÕ³ºÏ¼ÁÔÚ»ùÌåµÄ½áºÏ¡£ ×îºóÁ½¾ä²»Ì«Ã÷°×£¬½ö¹©²Î¿¼À²¡£ |
2Â¥2013-12-18 21:27:54
befair
Ìú¸Ëľ³æ (ÕýʽдÊÖ)
- Ó¦Öú: 131 (¸ßÖÐÉú)
- ½ð±Ò: 12322.8
- ºì»¨: 20
- Ìû×Ó: 661
- ÔÚÏß: 608.6Сʱ
- ³æºÅ: 2651461
- ×¢²á: 2013-09-13
- ÐÔ±ð: GG
- רҵ: ºê¹Û¾¼Ã¹ÜÀíÓëÕ½ÂÔ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
|
ÑÓ³¤ÎÒÃǵĻù´¡ÉèÊ©µÄÊÙÃüÎÞÒÉ»á¼õÉÙÈËÀà»î¶¯¶ÔÉúÎïȦµÄÓ°Ï졣ͨ¹ý³Ðŵ½â¾öһЩÉç»áËùÃæ¶ÔµÄÑÏÖØµÄ»·¾³ÎÊÌ⣬À´ÊÔͼ֤Ã÷һЩ»ù´¡ÐÔµÄÓзçÏյĿÆÑеÄÕýÈ·ÐÔ£¬¿ÉÄÜÌýÆðÀ´Óеã׷ʱ÷Ö¡£È»¶øÕâ²»Ó¦¸Ã×è°ÎÒÃÇ×ÅÊÖÕâÑùµÄ¿ÆÑС£ ²»ÕâÑù×öµÄ»°»áÈÃÎÊÌâ¸üÑÏÖØ¡£ ÁíÍ⣬Èç¹ûÄܸĽø»ìÄýÍÁ½á¹¹µÄÖÊÁ¿¼°ÆäʹÓÃÊÙÃü£¬ ºÜ¶àÓ뽨ÖþÒµÓйصĸ÷·½ºÍÈ«Éç»á¶¼¿ÉÒÔ¿´µ½Ò»¸öÖ±½ÓµÄÐ§Òæ¡£ ÀúÊ·ÉÏ£¬ÕâЩ½á¹¹ÖеĻìÄýÍÁÉè¼ÆÂú×ãÆäÊÙÃü¿ªÊ¼Ê±µÄÔ¤¶¨ÒªÇó¡£ È»ºó£¬½á¹¹µÄÊÙÃüÊÇͨ¹ýάÐ޼ƻ®À´¼à¿ØµÄ¡£½üÀ´£¬²ÄÁÏ¿ÆÑ§¼ÒÒѾ¿ªÊ¼½ÓÊܸıäÕâÒ»ÀíÄ¼´Ã÷È·¿¼ÂDzÄÁÏËæÊ±¼äµÄ¿ÉÊÊÓ¦ÐÔ»òÕß×ÔÎÒÐÞ¸´¡£ÕâÒ»¸Ä±äµÄÁé¸Ð³£³£À´×ÔÓÚ×ÔÈ»ÖеķÂÉú¡£ÔÚ»ìÄýÍÁÖУ¬ÔçÆÚ¶ÔÕâÒ»×ÔÎÒÐÞ¸´µÄÑо¿Õë¶ÔµÄ¼´ÓÐË®ºÏÎïÐÞ¸´ÁÑ·ìµÄ×ÔÈ»ÄÜÁ¦£¬ Ò²ÓÐͨ¹ýǶÈë»ùÌåµÄÕ³ºÏ¼Á´¢²ãÈ˹¤ÐÞ¸´ÁÑ·ìµÄÊֶΡ£ ¹©²Î¿¼,²»Í×¼ûÁ |

3Â¥2013-12-19 22:24:37
ÁãËéµÄ¼ÇÒä
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 72.1
- Ìû×Ó: 12
- ÔÚÏß: 2.5Сʱ
- ³æºÅ: 2830039
- ×¢²á: 2013-11-26
- ÐÔ±ð: GG
- רҵ: ÆäËûÎÞ»ú·Ç½ðÊô²ÄÁÏ

4Â¥2013-12-20 12:46:13
ÁãËéµÄ¼ÇÒä
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 72.1
- Ìû×Ó: 12
- ÔÚÏß: 2.5Сʱ
- ³æºÅ: 2830039
- ×¢²á: 2013-11-26
- ÐÔ±ð: GG
- רҵ: ÆäËûÎÞ»ú·Ç½ðÊô²ÄÁÏ

5Â¥2013-12-20 12:47:49
wrgeng
ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)
-

ר¼Ò¾Ñé: +264 - Ó¦Öú: 111 (¸ßÖÐÉú)
- ¹ó±ö: 0.16
- ½ð±Ò: 24849.3
- É¢½ð: 150
- ºì»¨: 48
- Ìû×Ó: 4707
- ÔÚÏß: 629.5Сʱ
- ³æºÅ: 1227257
- ×¢²á: 2011-03-09
- ÐÔ±ð: GG
- רҵ: Äý¾Û̬ÎïÐÔI:½á¹¹¡¢Á¦Ñ§ºÍ
- ¹ÜϽ: ¾«Ï¸»¯¹¤
6Â¥2013-12-20 20:29:19













»Ø¸´´ËÂ¥