²é¿´: 1607  |  »Ø¸´: 3

jsenchun

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

» ²ÂÄãϲ»¶

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

navyco

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
µ±°²È«ÏµÊýѡȡ1ʱ£»
Éè²Û¸ÖµÄ²ÄÁÏΪQ235 £¬ÐíÓÃÓ¦Á¦=140Mpa £¬²Û¸Ö³¤¶ÈL=6 m, ²Û¸Ö×ÔÖØG=3420 N £¬³ÐÖØ¸ºÔØQ
¿É½«´ËÎÊÌâ¼ò»¯Îª¼òÖ§Áº£¬ÖмäµãµÄÍ侨×î´ó£¬Mmax= 0.25*£¨ Q+G£©L £¬
²é»úеÉè¼ÆÊÖ²áµÚÁù°æ2-115 £¬ ¿¹Íä½ØÃæÏµÊýwx=703 /cm3,
Mmax= Wx=140*703=98420 NM
Q=£¨4Mmax / L £©- G = 62.19 KN
ºÚÒ¹¸øÁËÎÒºÚÉ«µÄÑÛ¾¦£¬ÎÒÔÚ°×ÈÕÀïãåÔ¡¹âÃ÷
2Â¥2015-08-27 11:15:06
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mygt_hit

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Â¥ÉÏ˵µÄ²î²»¶à£¬µ«ÓÐЩϸ½ÚÐèҪעÒâ¡£
Ê×ÏÈÐèÒªÃ÷È·ÇÅÁºµÄ½á¹¹ÐÎʽ£¬ÊǼòÖ§Áº»¹ÊÇÁ¬ÐøÁº£¬²»Í¬µÄÔ¼ÊøÏ¶ÔÄÚÁ¦¼ÆË㹫ʽ²»Í¬¡£ÄúÕâÀï6Ã׿ç¶È£¬ÊDz»ÊǼòÖ§Áº£¿
Æä´Î£¬Òª×¼È·¹À¼ÆÇÅÁºÊ¹ÓÃÆÚÏÞ£¨¸ù¾Ý²»Í¬ÐèÇó£¬ÓÐ100Äê¡¢50Äê¡¢25ÄêµÈµÈ£©ÄÚ¿ÉÄܵĺÉÔØ´óС¼°·Ö²¼£¨¼¯ÖС¢¾ù²¼µÈ£©¡£×¢ÒâºÉÔØ°üÀ¨ÇÅÁº×ÔÉí¼°¸½Êô²¿·ÖµÄÖØÁ¿ºÍÇÅÉÏÐÐ×ߵijµÁ¾¡¢È˵ȺÉÔØ¡£
ÔٴΣ¬È·¶¨²Û¸ÖµÄ²ÄÁÏ£¬Õâ¹ØÏµµ½ÐíÓÃÓ¦Á¦£¨Ñ§Ãû½ÐÇ¿¶ÈÉè¼ÆÖµ¡¢±ê×¼ÖµµÈ£©£¬½ø¶øÓ°Ïìµ½Æä³ÐÔØÁ¦¡£
ÁíÍ⣬¶ÔºÉÔØÐèÒª¿¼ÂÇÆä±äÒìÐÔ£¬ËùÒÔÒ»°ãÐèÒª·Å´ó£¬ºãºÉÔØ£¨×ÔÖØµÈ£©Ò»°ã·Å´ó1.2±¶£¬»îºÉÔØ£¨Ê¹ÓúÉÔØ£¬Ö¸³µÁ¾ÐÐÈ˵ȣ©Ò»°ã·Å´ó1.4±¶¡£

¼òµ¥µÄ¼ÆË㹫ʽ£º
¼òÖ§Áº¿çÖÐÊܼ¯ÖкÉÔØ£º M = P*L/4
¼òÖ§ÁºÊܾù²¼ºÉÔØ£ºM = q*L^2/8
ÆäÖУ¬MΪ×î´óÍ侨£¬Î»ÓÚ¿çÖС£LΪ¿ç¶È£¬PΪ¼¯ÖкÉÔØ£¬qΪ¾ù²¼ºÉÔØ¡£
Çó³ö×î´óÍ侨ºó£¬Çó½ØÃæ×î´óÓ¦Á¦¡£
sigma  = M / W
WΪ½ØÃ濹ÍäÄ£Á¿£¬sigmaΪÕýÓ¦Á¦¡£¶Ô³Æ½ØÃæÑéËãÀ­Ó¦Á¦»òѹӦÁ¦Ö®Ò»¼´¿É£¬·Ç¶Ô³Æ½ØÃæ¶¼ÐèÒªÑéËã¡£

ÁíÍ⻹ÓÐһЩϸ½ÚÎÊÌ⣬Èç¼ôÓ¦Á¦£¬¹¹ÔìµÈÐèҪעÒâ¡£
ÖªÆäÈ»£¬ÖªÆäËùÒÔÈ»¡£
3Â¥2015-08-27 12:55:41
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jsenchun

½û³æ (ÕýʽдÊÖ)

±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2015-08-27 13:39:14
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jsenchun µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ÌåÖÆÄÚ³¤±²ËµÌåÖÆÄÚ¾ø´ó²¿·ÖÒ»±²×ÓÔڵײ㣬ÈçͬÄãÃÇÒ»Ñù´ó²¿·ÖÆÕͨ½ÌʦæÇÒÊÕÈëµÍ +10 ˲ϢÓîÖæ 2026-02-20 13/650 2026-02-23 11:23 by holypower
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 8rmuugja8q 2026-02-22 7/350 2026-02-23 09:44 by w4l55oybr1
[¿¼ÑÐ] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 khieu8v8m0 2026-02-22 8/400 2026-02-23 09:35 by w4l55oybr1
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 8/400 2026-02-23 09:29 by w4l55oybr1
[¿¼ÑÐ] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +5 usprnugpzw 2026-02-21 11/550 2026-02-23 09:24 by w4l55oybr1
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 w89i99eaeh 2026-02-22 5/250 2026-02-23 08:04 by w4l55oybr1
[²©ºóÖ®¼Ò] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 6/300 2026-02-23 07:59 by w4l55oybr1
[¿¼²©] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 4/200 2026-02-23 06:46 by jsjzfl
[¹«Åɳö¹ú] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 khieu8v8m0 2026-02-22 5/250 2026-02-23 06:29 by w4l55oybr1
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 khieu8v8m0 2026-02-22 8/400 2026-02-23 06:24 by w4l55oybr1
[¿¼²©] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +5 3dfhjxgsh7 2026-02-22 6/300 2026-02-23 02:04 by 5jlh3qtdvx
[½Ìʦ֮¼Ò] °æÃæ·Ñ¸Ã½»Âð +7 Æ»¹ûÔÚÄÄÀï 2026-02-22 8/400 2026-02-22 22:37 by otani
[»ù½ðÉêÇë] ÃæÉÏ¿ÉÒÔ³¬¹ý30Ò³°É£¿ +4 °¢À­¹±aragon 2026-02-22 4/200 2026-02-22 21:22 by ɽÎ÷Ðü¿ÕË¿ÕÐüÎ
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +4 usprnugpzw 2026-02-21 6/300 2026-02-22 19:48 by w89i99eaeh
[¿¼ÑÐ] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 3dfhjxgsh7 2026-02-22 4/200 2026-02-22 16:52 by khieu8v8m0
[ÕÒ¹¤×÷] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 usprnugpzw 2026-02-22 3/150 2026-02-22 16:37 by khieu8v8m0
[¹«Åɳö¹ú] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8 O5 51O 54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 usprnugpzw 2026-02-21 4/200 2026-02-22 16:27 by khieu8v8m0
[»ù½ðÉêÇë] ¡°ÈËÎÄÉç¿Æ¶øÂÛ£¬Ðí¶àѧÊõÑо¿»¹Ã»ÓдﵽÃñ¹úʱÆÚµÄˮƽ¡± +4 ËÕ¶«ÆÂ¶þÊÀ 2026-02-18 5/250 2026-02-22 16:07 by liangep1573
[»ù½ðÉêÇë] ʲôÊÇÈËÒ»Éú×îÖØÒªµÄ£¿ +4 ˲ϢÓîÖæ 2026-02-21 4/200 2026-02-22 11:44 by huagongfeihu
[»ù½ðÉêÇë] ½ñÄê´ºÍíÓм¸¸ö½ÚÄ¿ºÜ²»´í£¬µãÔÞ£¡ +11 ˲ϢÓîÖæ 2026-02-16 12/600 2026-02-21 21:14 by lq493392203
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û