·ðɽÊоŽ»ù±ÃÕ¾ÅÅÀÔÁ÷Á¿µÄÈ·¶¨(1)_¹¤³ÌÁ¦Ñ§×¨Òµ±ÏÒµÂÛÎÄ·¶ÎÄ
·¢²¼Ê±¼ä£º
2014-12-19
À´Ô´£º
ÈË´ó¾¼ÃÂÛ̳
·ðɽÊоŽ»ù±ÃÕ¾ÅÅÀÔÁ÷Á¿µÄÈ·¶¨(1)_¹¤³ÌÁ¦Ñ§×¨Òµ±ÏÒµÂÛÎÄ·¶ÎÄ
ÕªÒª£ºÔÚ·ðɽÊн¨Éè¹ã¶«Ê¡µÚÈý´ó³ÇÊеĹý³ÌÖУ¬Ë®Àû×÷Ϊ»ù´¡²úÒµ±ØÐëÒªÏÈÐС£µØ´¦Ö齡¢Î÷½ºÓÍø½»»ãÇøµÄ·ðɽÊУ¬±ØÐë´óÁ¦½¨ÉèÅÅÀÔ±ÃÕ¾£¬Ìá¸ß·ÀÀÔ¼õÔÖÄÜÁ¦¡£±ÊÕß½áºÏ¹¤³ÌʵÀý£¬Ìá³öÈçºÎÈ·¶¨³ÇÊÐÅÅÀÔ±ÃÕ¾µÄÅÅÀÔÁ÷Á¿£¬¹©´ó¼Ò²Î¿¼¡£
¹Ø¼ü´Ê£º±ÃÕ¾ ÅÅÀÔÁ÷Á¿ È·¶¨
1 Òý¡¡ÑÔ
ÔÚ·ðɽÊн¨Éè¹ã¶«Ê¡µÚÈý´ó³ÇÊеĹý³ÌÖУ¬Ëæ×ųÇÊл¯¡¢³ÇÕò»¯½ø³ÌµÄ²»¶Ï¼Ó¿ì£¬ÌرðÊÇ·ðɽгÇÇøºÍÈ«ÊÐ10¸ö¹¤ÒµÔ°ÇøµÄ½¨É裬±Ø½«µ¼ÖÂÔÓеıÃÕ¾ÅÅÀÔÄÜÁ¦²»×㣬Òò´Ë£¬±ØÐëͨ¹ýÖؽ¨ºÍн¨ÅÅÀÔ±ÃÕ¾£¬Ôö¼ÓÅÅÀÔÁ÷Á¿£¬Ìá¸ß·ÀÀÔ¼õÔÖÄÜÁ¦¡£±ÊÕß½áºÏ·ðɽÊоŽ»ù±ÃÕ¾¹¤³ÌʵÀý£¬Ìá³öÈçºÎÈ·¶¨³ÇÊÐÅÅÀÔ±ÃÕ¾µÄÅÅÀÔÁ÷Á¿£¬Í¬Ê±£¬ÂÛÊö¹ã¶«Ê¡ÏÖÓÐÅÅÀÔ±ê×¼ÒѲ»ÄÜÂú×ã³ÇÊÐÅÅÀÔÒªÇó£¬ÒËÊʵ±Ìá¸ß¡£
2 ¹¤³Ì¸Å¿ö
·ðɽÊÐìø³ÇÇø¾Å½»ù±ÃվΪ80Äê´ú³õ½¨³ÉµÄÅÅÀÔ±ÃÕ¾£¬µØ´¦ìø³ÇÇøÎ÷²¿£¨ÒÔϼò³Æ³ÇÎ÷Çø£©£¬ÔÉè¼ÆÅÅÀÔÁ÷Á¿8.6m3/s£¬×°Éè3̨zlb900ÖáÁ÷±Ã£¬°´³ÇÊйÜÍø¼°ºÓÓ¿·Ö²¼£¬·Ö̯µÄ¼¯ÓêÃæ»ýΪ8km2¡£³ÇÎ÷Çø¼¯ÓêÃæ»ý28.90 km2£¬ÏÖÓбÃÕ¾5×ù£¬Éè¼ÆÅÅÀÔÁ÷Á¿46.94m3/s¡£Ëæ×ųÇÊл¯¡¢³ÇÕò»¯½ø³ÌµÄ²»¶Ï¼Ó¿ì£¬³ÇÎ÷ÇøÏ൱²¿·ÖµÄÅ©ÌïÒÑ¿ª·¢³ÉгÇÇø¡£³ÇÊÐϵæÃæ±ä»¯Ê¹µØ±í¾¶Á÷¼Ó´ó£¬ÔÓеÄÅ©ÌïÅÅÀÔ±ê×¼ÒѲ»ÊÊÓ¦³ÇÊÐÅÅÀÔµÄÒªÇ󡣾ݵ÷²é£¬ÔÚ·¢Éú´ó±©Óêʱ£¬²¿·ÖµÍÍݽÖÇøÊÜÑÍË®ÉîÔø´ï0.5m¡£³ÇÎ÷ÇøÖÐÔÓеıÃÕ¾¼±Ðè¼¼¸Ä¡¢À©½¨ºÍÖؽ¨¡£°´ÕÕ·ðɽÊÐÕþ¸®µÄ°²ÅÅ£¬2003Äê¶Ô¾Å½»ù±ÃÕ¾½øÐÐÖؽ¨¡£±ÃÕ¾µÄÅÅÀÔÁ÷Á¿ÈçºÎÈ·¶¨£¬¹Ø¼üÊÇÈ·¶¨±ÃÕ¾µÄÅÅÀÔ±ê×¼¡£
3 ±ÃÕ¾ÅÅÀÔ±ê×¼
Ä¿Ç°£¬¹ã¶«Ê¡Ë®ÀûÌüµÄÅÅÀÔ±ê×¼£¬¼´ÎªÊ¡Ë®ÀûÌüÔÁË®µç×Ü×Ö[1995]4ºÅÎÄÖй涨µÄÖÎÀÔ±ê×¼£ºÖÎÀÔÉè¼Æ±ê×¼°´ÀÔÇøÊ®ÄêÒ»Óö24Сʱ±©ÓêËù²úÉúµÄåÉÁ÷Á¿£¬³ÇÕò¼°²ËµØ°´Ò»ÌìÅŸÉÉè¼Æ£»Å©Ìï°´ÈýÌìÅŸÉÉè¼Æ¡£
·ðɽÊн¨Éè¾ÖÒªÇ󣺵±ÇøÓòÄÚ·¢ÉúÒ»ÄêÒ»Óö24Сʱʱ£¬ÇøÄÚÓ¿¡¢ºË®Î»ÔÚ2.00mÒÔÏ£¬¼´Ò»ÄêÒ»Óö²»½þ£¬·¢ÉúÊ®ÄêÒ»Óö24Сʱʱ£¬ÔÊÐí¾Ö²¿µÍÍݵضÌÔÝÊÜÑÍ¡£
Òò´Ë£¬±ÃÕ¾ÅÅÀÔ±ê×¼Ðè·Ö±ð°´ÉÏÊö±ê×¼¼ÆËãºóÔÙÈ·¶¨¡£
4 ÅÅÀÔÁ÷Á¿¼ÆËã
4.1¡¡½µÓê×ÊÁϼ°Éè¼ÆÓêÐÍ
¸ù¾ÝÆøÏóÕ¾µÄͳ¼Æ¼°ºÓÁ÷¹æ»®³É¹û£º¸ÃÇøÓò¶àÄêƽ¾ù½µÓêΪ1625.4mm£¬×î´ó½µÓêÄê2257mm£¨1961Ä꣩£¬×îС½µÓêÄê1076mm£¨1991Ä꣩£¬×î´ó24Сʱ½µÓêÁ¿270.66mm£¬Ê®ÄêÒ»Óö24Сʱ±©ÓêΪ190mm¡£
¸ù¾ÝÆøÏóÕ¾µÄÓêÁ¿¼Ç¼£¬°´ÈÕÓêÁ¿´óÓÚ80mmµÄÖðʱ½µÓê·ÖÅä½øÐÐͳ¼Æ£¬Ñ¡ÓõäÐÍÄêµÄÈÕÓêÁ¿·ÖÅ䣬µäÐÍÄêÒÔ1975Äê5ÔÂ11ÈÕµÄÓêÁ¿(121.0mm)¼ÆËã±íÃ÷£¬×î´ó1Сʱ½µÓê69mm£¬×î²»Àû½µÓ꼯ÖÐÓÚ2СʱÄÚ£¬Õ¼87.9%¡£Í¬Ê±£¬¸ù¾Ý·ðɽÊб©Ó깫ʽ¿É²éËã³öÒ»ÄêÒ»ÓöÓëÊ®ÄêÒ»Óö¶ÌÀúʱ±©Ó꣬²¢¸ù¾Ý24СʱÓêÁ¿²å²¹ÎåÄêÒ»Óö¶ÌÀúʱ±©Ó꣬¼ÆËã³É¹û¼û±í1¡£
¶ÌÀúʱ±©ÓêÁ¿¼ÆËã³É¹û±í
±í1
4.2 ÊÐÕþ¹«Ê½¹ÀËãºé·åÁ÷Á¿
ÊÐÕþÅÅË®²ÉÓõĽµÓêÁ¿ÊÇÒ»ÄêÒ»Óö±©Óê¶ÌÀúʱµÄ±©Óêƽ¾ùÖµ¡£½µÓê ×ÊÁÏ·ÖÎö±íÃ÷£¬×î²»Àû½µÓ꼯ÖÐÓÚ2СʱÄÚ¡£¸ù¾ÝÏÖÓгÇÊÐÅÅË®¹ÜÍø¹æ»®£¬¾Å½»ùƬµÄ¼¯ÓêÃæ»ýԼΪ8km2£¬×ۺϾ¶Á÷ϵÊýÈ¡0.75¡£¸ù¾Ý³ÇÊÐË®ÎÄѧ¹«Ê½¿É¹ÀËã¾Å½»ùƬµÄ×î´óÓêË®Á÷Á¿£º
£¨1£©
ʽÖУºq ¨D¨DÓêË®Éè¼ÆÁ÷Á¿£»
¨D¨D¾¶Á÷ϵÊý£»
q ¨D¨DÉè¼Æ±©ÓêÇ¿¶È£»
f ¨D¨D»ãÁ÷Ãæ»ý¡£
¸ù¾Ý¹«Ê½£¨1£©£¬²é·ðɽÊб©Ó깫ʽͼ±í£¬¿É·Ö±ð¹ÀËã³ö¸÷ƵÂʵÄ×î´óÁ÷Á¿£¬¼ÆËã³É¹û¼û±í2¡£
2Сʱ½µÓê×î´óÁ÷Á¿±í
±í2
4.3¡¡ÅÅÀÔÁ÷Á¿¼ÆËã
¾Å½»ùƬÏÖÓÐÅÅË®º¼°ÇþϵÖУ¬¾¹ÀË㣬ÔÚµÍˮλÓë¸ßˮλ֮¼äµÄµ÷ÐîÓ¿ÈÝԼΪ16Íòm3¡£×µÄÖ÷ºÓÓ¿¾à¾Å½»ùÕ¾Ô¼5km¡£ÎÒÃǼٶ¨½«ÅÅË®¹ÜÍø¼ò»¯ÎªÒ»¸ö´óÐ͵÷½ÚË®³Ø£¬³ØÄÚˮλ´óÖ³Öƽ£¨¾¼ÆËã×î´óÏà²îÔ¼0.20m£©£¬ÕâÖÖ¼ò»¯µ¼ÖµÄÎó²îÊÇ¿ÉÒÔ½ÓÊܵģ¨±¾Æ¬Çø¿ØÖÆˮλ2.00m£©¡£
ÓÉÓÚ±¾ÇøÓòÎÞʵ²âºéË®¹ý³ÌÏߣ¬ÒàÎÞʵ²âµÄ»ãÁ÷ʱ¼ä£¬Òò¶ø°´ÊÐÕþÅÅË®¹«Ê½·½·¨¹ÀËã»ãÁ÷ʱ¼ä¡£»ãÁ÷ʱ¼äÓɵØÃ澶Á÷ʱ¼äºÍ¹Ü¶Î£¨°µº¡¢ºÓÓ¿£©ÄÚÁ÷ˮʱ¼ä×é³É¡£¾¼ÆË㣬»ãÁ÷ʱ¼äԼΪ1.5Сʱ¡£ÓÉÓÚ×î²»Àû½µÓ꼯ÖÐÓÚ2СʱÄÚ£¬Òò´Ë£¬´Ó¿ØÖƱÃվͶ×ʹæÄ£¿¼ÂÇ£¬±ÃÕ¾ÅÅˮʱ¼äÈ·¶¨Îª3.5Сʱ¡£±ÃÕ¾ÅÅË®Á÷Á¿¿É°´ÏÂʽ¼ÆË㣺
(2)
ʽÖУºqÅŨD¨D±ÃÕ¾ÅÅË®Á÷Á¿£¬m3/s£»
w ¨D¨D2СʱÀÔÇø×ÜÀ´Ë®£¬m3£»
v ¨D¨DºÓÓ¿µ÷ÐîÈÝ»ý£¬m3£»
t ¨D¨DÅÅˮʱ¼ä£¬Ð¡Ê±¡£
¸ù¾ÝÉÏʽ¿É·Ö±ð¼ÆËã¸÷ƵÂʶÌÀúʱ½µÓêµÄÅÅË®Á÷Á¿£¬¼ÆËã³É¹û¼û±í3¡£
¾Å½»ùƬ£¨8km2£©2Сʱ½µÓêÅÅÀÔ·ÖÎö³É¹û±í
±í3
°´Ê¡Ë®ÀûÌüÔÁË®µç×Ü×Ö[1995]4ºÅÎÄÖй涨µÄÖÎÀÔ±ê×¼¼ÆËã±ÃÕ¾ÅÅË®Á÷Á¿£¬¼´ÀÔÇøÊ®ÄêÒ»Óö24Сʱ±©Óê190mmÅŸÉÉè¼Æ£¬Ôò£º
ÏÔÈ»£¬°´Ê¡Ë®ÀûÌüÅÅÀÔ±ê×¼µÍÓÚ¶ÌÀúʱ½µÓê²»Êܽþ±ê×¼¡£