簡介
該湖濱公園采用(yong)傳統造園手法,堆山砌(qi)石,建(jian)有(you)各(ge)式亭閣,輔(fu)有(you)寬(kuan)敞的草坪,種植各(ge)種花草樹木,使其四周綠(lv)樹成(cheng)蔭,小溪流水,鳥語花香。
該園(yuan)現已建成4個功能區,即游樂(le)園(yuan)區、老年活動(dong)(dong)區、動(dong)(dong)物園(yuan)區、管理(li)區。園(yuan)內(nei)有“激流勇(yong)進”;占(zhan)地5000平方米的(de)獅虎山以及占(zhan)地1120平方米憩園(yuan)。
改造工程的規劃設計
水系統現(xian)狀及問題
盤(pan)(pan)(pan)錦(jin)市(shi)(shi)(shi)(shi)是(shi)(shi)中(zhong)國(guo)濕地(di)(di)之都,位于(yu)渤海(hai)北部(bu),遼寧省西南部(bu),遼河(he)三角洲中(zhong)心地(di)(di)帶。但是(shi)(shi)按(an)照(zhao)以往傳統建(jian)城(cheng)(cheng)理(li)念,盤(pan)(pan)(pan)錦(jin)市(shi)(shi)(shi)(shi)開發(fa)強度不(bu)合(he)理(li)等諸多因素,導(dao)(dao)致了很多“城(cheng)(cheng)市(shi)(shi)(shi)(shi)病”的(de)產生(sheng)(sheng)。主要(yao)表現(xian)在水(shui)(shui)(shui)資源量嚴重不(bu)足(zu)(zu)(zu),人(ren)均占有水(shui)(shui)(shui)資源量(不(bu)含入境水(shui)(shui)(shui)量)262 立方米,不(bu)足(zu)(zu)(zu)我國(guo)人(ren)均占有量的(de)1 /8,是(shi)(shi)全(quan)國(guo)50多個嚴重缺水(shui)(shui)(shui)城(cheng)(cheng)市(shi)(shi)(shi)(shi)之一;地(di)(di)下水(shui)(shui)(shui)開采(cai)接近極限,近二十(shi)幾年(nian)來的(de)大(da)量開采(cai),地(di)(di)下水(shui)(shui)(shui)位呈(cheng)區域(yu)性持續下降。每年(nian)下降1 m ~ 5.5 m,已(yi)形成(cheng)多個地(di)(di)下水(shui)(shui)(shui)開采(cai)漏斗; 再(zai)生(sheng)(sheng)水(shui)(shui)(shui)利用不(bu)足(zu)(zu)(zu),城(cheng)(cheng)市(shi)(shi)(shi)(shi)再(zai)生(sheng)(sheng)水(shui)(shui)(shui)利用率不(bu)足(zu)(zu)(zu)14% ;另(ling)(ling)外(wai),水(shui)(shui)(shui)環境方面(mian)主要(yao)是(shi)(shi)城(cheng)(cheng)市(shi)(shi)(shi)(shi)水(shui)(shui)(shui)體(ti)污(wu)染(ran)問題,城(cheng)(cheng)區大(da)部(bu)分為截流(liu)式合(he)流(liu)制,雨季徑(jing)流(liu)污(wu)染(ran)對(dui)河(he)流(liu)濕地(di)(di)水(shui)(shui)(shui)質(zhi)造(zao)成(cheng)較(jiao)大(da)沖擊(ji)。由于(yu)按(an)照(zhao)傳統建(jian)城(cheng)(cheng)理(li)念進行開發(fa),城(cheng)(cheng)市(shi)(shi)(shi)(shi)土地(di)(di)的(de)利用及變化加劇了地(di)(di)表溢流(liu)污(wu)染(ran),導(dao)(dao)致城(cheng)(cheng)市(shi)(shi)(shi)(shi)水(shui)(shui)(shui)體(ti)水(shui)(shui)(shui)質(zhi)惡化。現(xian)有排(pai)水(shui)(shui)(shui)采(cai)用“快收快排(pai)”,雨水(shui)(shui)(shui)通(tong)過地(di)(di)面(mian)徑(jing)流(liu)就近排(pai)往城(cheng)(cheng)市(shi)(shi)(shi)(shi)市(shi)(shi)(shi)(shi)政(zheng)管道(dao),后由泵站抽排(pai)至河(he)流(liu),大(da)面(mian)積的(de)不(bu)透水(shui)(shui)(shui)地(di)(di)面(mian)導(dao)(dao)致雨水(shui)(shui)(shui)匯(hui)流(liu)時間短,匯(hui)流(liu)量大(da),綠(lv)化基(ji)本沒有滯留(liu)調蓄能力,導(dao)(dao)致下游(you)排(pai)水(shui)(shui)(shui)壓(ya)力大(da)。一方面(mian),盤(pan)(pan)(pan)錦(jin)市(shi)(shi)(shi)(shi)整體(ti)地(di)(di)勢較(jiao)低,常年(nian)受內澇和外(wai)洪(hong)的(de)威脅,迫切需(xu)要(yao)通(tong)過海(hai)綿(mian)城(cheng)(cheng)市(shi)(shi)(shi)(shi)建(jian)設(she)提高防洪(hong)排(pai)澇能力。另(ling)(ling)一方面(mian),盤(pan)(pan)(pan)錦(jin)市(shi)(shi)(shi)(shi)的(de)部(bu)分河(he)流(liu)、濕地(di)(di)、湖(hu)泊等水(shui)(shui)(shui)體(ti)均不(bu)同程度的(de)遭受污(wu)染(ran),迫切需(xu)要(yao)通(tong)過海(hai)綿(mian)城(cheng)(cheng)市(shi)(shi)(shi)(shi)建(jian)設(she)改(gai)善城(cheng)(cheng)市(shi)(shi)(shi)(shi)水(shui)(shui)(shui)環境;提升(sheng)城(cheng)(cheng)市(shi)(shi)(shi)(shi)形象(xiang),促進生(sheng)(sheng)態(tai)文明建(jian)設(she)。
兩大海綿體系統
為(wei)了解(jie)(jie)決如何通過海綿(mian)(mian)(mian)城市的(de)(de)技術(shu)措施及合理(li)(li)布局,實現(xian)道路和綠地(di)的(de)(de)滲(shen)水(shui)、蓄水(shui)、凈化(hua)功能;對(dui)園(yuan)區的(de)(de)水(shui)系進行(xing)合理(li)(li)的(de)(de)布局與處(chu)(chu)理(li)(li),最終實現(xian)蓄水(shui)功能; 將現(xian)狀的(de)(de)魚塘(tang)打造為(wei)濕地(di),實現(xian)對(dui)水(shui)體(ti)(ti)的(de)(de)滯留(liu)、凈化(hua); 通過技術(shu)手段實現(xian)對(dui)湖泊的(de)(de)雨洪調蓄功能。針對(dui)以上問題,作出了海綿(mian)(mian)(mian)體(ti)(ti)解(jie)(jie)決的(de)(de)兩大(da)策略,即(ji)通過對(dui)“自然(ran)海綿(mian)(mian)(mian)體(ti)(ti)”與“人造海綿(mian)(mian)(mian)體(ti)(ti)”相結合的(de)(de)海綿(mian)(mian)(mian)景觀處(chu)(chu)理(li)(li)方式使水(shui)體(ti)(ti)有(you)較強的(de)(de)調蓄功能并且使水(shui)資源得到(dao)彈(dan)性化(hua)利用。