Znn3bq.jpeg
²é¿´: 801  |  »Ø¸´: 1

whyxqing

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] ¹ØÓÚ´óÌå»ý»ìÄýÍÁµÄÒ»¶Î·­Ò루ӢÒ뺺£© ÒÑÓÐ1È˲ÎÓë

The tensile stress and cracking can be reduced to zero if the initial temperature of the concrete is set below the final stable temperature of the structure by the amount of the potential temperature rise.
×Ô¼ºµÄÀí½â¡°À­Ó¦Á¦ºÍÁÑ·ì¿ÉÒÔ¼õÉÙµ½Á㣬Èç¹û»ìÄýÍÁ³õʼζÈÉèÖõĵÍÓڽṹ×îÖÕÎȶ¨Î¶ȣ¬¿¼ÂÇ¿ÉÄܵÄÎÂÉýÁ¿¡±
by the amount of the potential temperature rise. ºó°ë¾ä²»Ì«Çå³þÔõô·­ÒëÁË
ÀíÂÛÉÏ£¬Ó¦¸Ã³õζÈ+ÎÂÉý<Îȶ¨Î¶ȣ¬¿Ï¶¨¾ÍûÓÐÀ­Ó¦Á¦ºÍÁÑ·ìÁË¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Paulwolf

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

·ÇÏßÐÔ¿ØÖÆÁìÓòÐÂÈËһö

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
whyxqing: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2014-06-07 12:43:25
ÎÒµÄÀí½âÊÇ:»ìÄýÍÁºÍ°ØÓÍ·һÑù°¡,µ±Î¶ȴﵽһ¶¨Ò»¶¨ÖµÊ±,»á·¢ÉúÀ­Ó¦Á¦¹ý´ó¶ø²úÉúÁÑ·ìµÄ¿ÉÄÜ, ËùÒÔÒªÉ趨һ¸ö×îÖÕÎȶ¨Î¶È,µ±Î¶ÈÖµ³¬¹ý´ËζÈʱ,¾Í²»Îȶ¨ÁË,ËùÒÔ½Ð"×îÖÕ"Îȶ¨; ËùÒÔÔÚÉèÖóõʼζÈʱ,Òª¿¼ÂÇ¿ÉÄܵÄÎÂÉý(ÓÉÓÚ¸÷ÖÖÔ­ÒòÔì³É), µ±ÔÚ³õʼζÈÔÚÎÂÉý×÷ÓÃÏÂ,Òª²»´óÓÚÄÇ×îÖÕÎȶ¨Î¶È,»ìÄýÍÁ²Å²»»á·¢ÉúÆÆ»µ.ËùÒÔ,Â¥Ö÷ÄãµÄÀí½âÊÇÕýÈ·µÄ!
ÖÁÓÚÄǰë¾ä»°µÄ·­Òë,Îҵľ­ÑéÊÇ,²»Òª¾ÐÄàÓë·­Òë,Ó¢ÓïµÄÒ»¸öÄѵãÔÚÓÚ½é´ÊµÄʹÓÃ,ÄǾ仰µÄÄÑÀí½âÖ®´¦ÔÚÓÚ,by¾ßÌå±íʾʲô£¬ÎÒ×÷Ϊ²»ÊÇ·ÇÓ¢ÓïרҵµÄÈË£¬Ò²ÎÞ·¨×ö³ö׼ȷµÄÅжϡ£µ«ÎҵĽ¨ÒéÊÇ£¬²»Òª¾ÐÄàÓÚÒ»´ÊÒ»¾ä£¬ÕûÌå°ÑÎÕ£¬ÉîÈëÀí½â¼´¿É£¡
2Â¥2014-06-07 10:20:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ whyxqing µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0854Çóµ÷¼Á +21 ÃÅ·ÃþÃþ 2026-04-15 25/1250 2026-04-17 15:45 by qzxyhcsy
[¿¼ÑÐ] 294Çóµ÷¼Á +6 µ­È»654321 2026-04-17 7/350 2026-04-17 13:32 by ѧԱJpLReM
[¿¼ÑÐ] ¿ÒÇëÓÐѧУÊÕÁô +8 ¿Â»´È» 2026-04-12 8/400 2026-04-17 09:34 by Öí»á·É
[¿¼ÑÐ] »¯Ñ§070300 Çóµ÷¼Á +28 ¹þ¹þ¹þ^_^ 2026-04-12 28/1400 2026-04-16 21:36 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼ÑÐ] 290Çóµ÷¼Á +23 luoziheng 2026-04-10 25/1250 2026-04-16 17:25 by ±ùÑ©Óö¼ûÖí
[¿¼ÑÐ] 291Çóµ÷¼Á +11 ¹ØÒä±±. 2026-04-14 11/550 2026-04-16 15:18 by jiahl2024
[¿¼ÑÐ] 327Çóµ÷¼Á +26 Xxjc1107. 2026-04-13 29/1450 2026-04-16 10:52 by Espannnnnol
[¿¼ÑÐ] 289 ·Ö105500ҩѧר˶Çóµ÷¼Á(ÕÒBÇøÑ§Ð£) +4 °×ÔÆ123456789 2026-04-13 4/200 2026-04-16 00:18 by ·ÛÇßÈô³¾
[¿¼ÑÐ] Ò»Ö¾Ô¸AÇø211£¬22408 321Çóµ÷¼Á +6 ËæÐÄËùÓû¡î 2026-04-15 7/350 2026-04-15 21:45 by lbsjt
[¿¼ÑÐ] ͨÐŹ¤³ÌÇóµ÷¼Á£¡£¡£¡ +6 zlb770521 2026-04-14 6/300 2026-04-15 20:00 by ѧԱJpLReM
[¿¼ÑÐ] 305Çóµ÷¼Á +8 Â꿨°Í¿¨boom 2026-04-11 8/400 2026-04-14 09:04 by pengliang8036
[¿¼ÑÐ] 297¹¤¿Æ£¬Çóµ÷¼Á? +13 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-12 13/650 2026-04-13 14:12 by dingyanbo1
[¿¼ÑÐ] 290Çóµ÷¼Á +18 ¿Â»´È» 2026-04-12 20/1000 2026-04-13 12:56 by cyh¡ª315
[¿¼ÑÐ] ¡£ +10 Àî¶àÃ×lee. 2026-04-12 11/550 2026-04-12 22:58 by yuyin1233
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] Ò»Ö¾Ô¸Õã´óÉúÎï325·ÖÇóµ÷¼Á +9 zysheng 2026-04-12 9/450 2026-04-12 22:31 by yuyin1233
[¿¼ÑÐ] µ÷¼Á½áÊø +6 floriea 2026-04-12 8/400 2026-04-12 18:13 by zhouxiaoyu
[¿¼ÑÐ] 303Çóµ÷¼Á +14 SereinQ 2026-04-10 15/750 2026-04-11 20:43 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼ÁÇóÖú +6 ¹ûÈ»ÓÐÎÒ 2026-04-11 7/350 2026-04-11 16:22 by Ã÷Ô´ËʱÓÐ
[¿¼ÑÐ] 263ÄÜÔ´¶¯Á¦×¨Ë¶Çóµ÷¼Á +3 ¼Ó´óºÅ·¹ºÐ´ü 2026-04-10 3/150 2026-04-10 22:23 by 286640313
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û