簡介
該湖濱(bin)公園采用傳(chuan)統造園手(shou)法(fa),堆山砌石,建有(you)(you)各(ge)式亭閣,輔有(you)(you)寬敞的草(cao)坪,種(zhong)植各(ge)種(zhong)花(hua)草(cao)樹木,使(shi)其四周綠樹成蔭,小溪流水,鳥語花(hua)香(xiang)。
該園現已(yi)建成(cheng)4個功能區(qu),即游樂園區(qu)、老年活動區(qu)、動物園區(qu)、管(guan)理區(qu)。園內有“激流勇進(jin)”;占地5000平方米的獅虎山以及占地1120平方米憩園。
改造工程的規劃設計
水系統現狀(zhuang)及問(wen)題
盤(pan)錦(jin)(jin)市(shi)(shi)是(shi)中(zhong)國(guo)濕地(di)(di)(di)之都,位于渤海北(bei)部,遼寧省(sheng)西南部,遼河(he)(he)三角洲中(zhong)心地(di)(di)(di)帶。但是(shi)按(an)照以往傳(chuan)統建(jian)城(cheng)(cheng)(cheng)(cheng)(cheng)理(li)念,盤(pan)錦(jin)(jin)市(shi)(shi)開發強度(du)不(bu)合理(li)等諸多(duo)因素,導(dao)(dao)致(zhi)了很多(duo)“城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)病”的(de)(de)(de)產生(sheng)(sheng)。主(zhu)要(yao)表(biao)現在(zai)水(shui)(shui)資(zi)源量(liang)嚴重不(bu)足(zu),人(ren)均(jun)占有(you)水(shui)(shui)資(zi)源量(liang)(不(bu)含(han)入境(jing)水(shui)(shui)量(liang))262 立方(fang)(fang)米,不(bu)足(zu)我(wo)國(guo)人(ren)均(jun)占有(you)量(liang)的(de)(de)(de)1 /8,是(shi)全國(guo)50多(duo)個嚴重缺水(shui)(shui)城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)之一;地(di)(di)(di)下(xia)(xia)水(shui)(shui)開采接(jie)近(jin)極限(xian),近(jin)二十幾(ji)年(nian)來的(de)(de)(de)大量(liang)開采,地(di)(di)(di)下(xia)(xia)水(shui)(shui)位呈區域性持續下(xia)(xia)降。每年(nian)下(xia)(xia)降1 m ~ 5.5 m,已形(xing)成多(duo)個地(di)(di)(di)下(xia)(xia)水(shui)(shui)開采漏斗; 再(zai)生(sheng)(sheng)水(shui)(shui)利(li)用(yong)(yong)不(bu)足(zu),城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)再(zai)生(sheng)(sheng)水(shui)(shui)利(li)用(yong)(yong)率不(bu)足(zu)14% ;另外,水(shui)(shui)環境(jing)方(fang)(fang)面(mian)主(zhu)要(yao)是(shi)城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)水(shui)(shui)體污染(ran)問題,城(cheng)(cheng)(cheng)(cheng)(cheng)區大部分(fen)為截流(liu)式合流(liu)制,雨季徑流(liu)污染(ran)對河(he)(he)流(liu)濕地(di)(di)(di)水(shui)(shui)質(zhi)造成較大沖擊。由于按(an)照傳(chuan)統建(jian)城(cheng)(cheng)(cheng)(cheng)(cheng)理(li)念進行開發,城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)土(tu)地(di)(di)(di)的(de)(de)(de)利(li)用(yong)(yong)及變化加(jia)劇了地(di)(di)(di)表(biao)溢(yi)流(liu)污染(ran),導(dao)(dao)致(zhi)城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)水(shui)(shui)體水(shui)(shui)質(zhi)惡化。現有(you)排水(shui)(shui)采用(yong)(yong)“快收快排”,雨水(shui)(shui)通過(guo)地(di)(di)(di)面(mian)徑流(liu)就近(jin)排往城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)市(shi)(shi)政管道(dao),后(hou)由泵站(zhan)抽排至(zhi)河(he)(he)流(liu),大面(mian)積(ji)的(de)(de)(de)不(bu)透水(shui)(shui)地(di)(di)(di)面(mian)導(dao)(dao)致(zhi)雨水(shui)(shui)匯流(liu)時間短,匯流(liu)量(liang)大,綠化基本(ben)沒有(you)滯留調蓄能力,導(dao)(dao)致(zhi)下(xia)(xia)游排水(shui)(shui)壓力大。一方(fang)(fang)面(mian),盤(pan)錦(jin)(jin)市(shi)(shi)整體地(di)(di)(di)勢較低,常年(nian)受(shou)內澇和(he)外洪的(de)(de)(de)威脅,迫(po)切需(xu)要(yao)通過(guo)海綿城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)建(jian)設提高防洪排澇能力。另一方(fang)(fang)面(mian),盤(pan)錦(jin)(jin)市(shi)(shi)的(de)(de)(de)部分(fen)河(he)(he)流(liu)、濕地(di)(di)(di)、湖(hu)泊等水(shui)(shui)體均(jun)不(bu)同程度(du)的(de)(de)(de)遭受(shou)污染(ran),迫(po)切需(xu)要(yao)通過(guo)海綿城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)建(jian)設改善城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)水(shui)(shui)環境(jing);提升城(cheng)(cheng)(cheng)(cheng)(cheng)市(shi)(shi)形(xing)象,促(cu)進生(sheng)(sheng)態文(wen)明建(jian)設。
兩大海綿體系統
為了(le)解決如何(he)通(tong)過海綿城(cheng)市(shi)的(de)(de)(de)(de)技術措(cuo)施及(ji)合理(li)布(bu)局,實現(xian)道路和綠地的(de)(de)(de)(de)滲水(shui)、蓄(xu)水(shui)、凈化功能(neng);對(dui)園區(qu)的(de)(de)(de)(de)水(shui)系進(jin)行合理(li)的(de)(de)(de)(de)布(bu)局與(yu)(yu)處(chu)理(li),最終實現(xian)蓄(xu)水(shui)功能(neng); 將現(xian)狀的(de)(de)(de)(de)魚塘打造為濕地,實現(xian)對(dui)水(shui)體(ti)的(de)(de)(de)(de)滯留、凈化; 通(tong)過技術手段實現(xian)對(dui)湖泊(bo)的(de)(de)(de)(de)雨洪調蓄(xu)功能(neng)。針對(dui)以(yi)上問題,作出了(le)海綿體(ti)解決的(de)(de)(de)(de)兩(liang)大策略,即通(tong)過對(dui)“自(zi)然(ran)海綿體(ti)”與(yu)(yu)“人造海綿體(ti)”相結合的(de)(de)(de)(de)海綿景觀處(chu)理(li)方式使水(shui)體(ti)有較強的(de)(de)(de)(de)調蓄(xu)功能(neng)并(bing)且使水(shui)資源得(de)到彈性化利用。