人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)是以非(fei)(fei)生命的(de)(de)(de)(de)(de)塑料(liao)化纖(xian)產品為(wei)原料(liao),采(cai)用人(ren)(ren)工方法制(zhi)作(zuo)的(de)(de)(de)(de)(de)擬草(cao)坪(ping)(ping)。它(ta)是解(jie)決利(li)(li)用強度(du)過高(gao)(gao)、生長條件(jian)極端不(bu)利(li)(li)等天(tian)然草(cao)坪(ping)(ping)不(bu)易生長而(er)不(bu)宜(yi)建植草(cao)坪(ping)(ping)的(de)(de)(de)(de)(de)一種(zhong)重要途(tu)徑。與天(tian)然草(cao)坪(ping)(ping)相比(bi),人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)具有非(fei)(fei)常明顯的(de)(de)(de)(de)(de)優(you)缺點(dian)。如可(ke)(ke)以全天(tian)候使用,受(shou)雨、雪(xue)天(tian)氣影(ying)響(xiang)小(xiao);維護(hu)簡單,養護(hu)費(fei)用低;材(cai)(cai)質環(huan)保,表面(mian)層可(ke)(ke)回收再(zai)利(li)(li)用等優(you)點(dian),是天(tian)然草(cao)坪(ping)(ping)所(suo)不(bu)可(ke)(ke)替代的(de)(de)(de)(de)(de),因此,人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)非(fei)(fei)常適用于使用頻率較(jiao)高(gao)(gao)的(de)(de)(de)(de)(de)中小(xiao)學(xue)運(yun)動(dong)場或(huo)各種(zhong)訓練場。但是,由(you)于人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)采(cai)用的(de)(de)(de)(de)(de)是化學(xue)纖(xian)維材(cai)(cai)料(liao),而(er)且以瀝青(qing)或(huo)混凝土作(zuo)為(wei)基層,所(suo)以其表面(mian)硬度(du)大,緩沖(chong)性能較(jiao)差,極易導致運(yun)動(dong)員腳踝及(ji)膝關節受(shou)傷;同時其表面(mian)溫度(du)變化幅度(du)大,尤其是在(zai)夏季,最(zui)高(gao)(gao)溫度(du)可(ke)(ke)達52℃,如此高(gao)(gao)的(de)(de)(de)(de)(de)溫度(du)對(dui)運(yun)動(dong)員的(de)(de)(de)(de)(de)競技(ji)狀態及(ji)環(huan)境都(dou)會造(zao)(zao)(zao)(zao)(zao)成(cheng)很大的(de)(de)(de)(de)(de)影(ying)響(xiang)。近年來,隨著(zhu)人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)建造(zao)(zao)(zao)(zao)(zao)技(ji)術(shu)不(bu)斷(duan)更(geng)新以及(ji)纖(xian)維材(cai)(cai)料(liao)和(he)填(tian)充(chong)材(cai)(cai)料(liao)的(de)(de)(de)(de)(de)發(fa)展,使得人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)的(de)(de)(de)(de)(de)諸多缺點(dian),如表面(mian)硬度(du)大、緩沖(chong)性能差等逐漸得以改善(shan),當然這些都(dou)是以正確選擇(ze)草(cao)坪(ping)(ping)材(cai)(cai)料(liao)及(ji)保證科學(xue)合理的(de)(de)(de)(de)(de)建造(zao)(zao)(zao)(zao)(zao)技(ji)術(shu)和(he)質量的(de)(de)(de)(de)(de)前提下,才(cai)能得以實現的(de)(de)(de)(de)(de)。人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)在(zai)建造(zao)(zao)(zao)(zao)(zao)之前,應主(zhu)要考慮以下幾個(ge)因素:人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)類型、所(suo)用人(ren)(ren)造(zao)(zao)(zao)(zao)(zao)草(cao)坪(ping)(ping)的(de)(de)(de)(de)(de)纖(xian)維材(cai)(cai)料(liao)(PP或(huo)PE);填(tian)充(chong)物質的(de)(de)(de)(de)(de)類型(硅砂(sha)、橡膠粒或(huo)二者的(de)(de)(de)(de)(de)混合)及(ji)填(tian)充(chong)深度(du);排水設計等。
(一)人造草(cao)(cao)(cao)坪類型(xing)的選擇人造草(cao)(cao)(cao)坪的草(cao)(cao)(cao)坪面可(ke)(ke)分為兩種類型(xing):鑲嵌型(xing)和編織(zhi)(zhi)型(xing)。編織(zhi)(zhi)型(xing)草(cao)(cao)(cao)坪采用(yong)尼(ni)龍編織(zhi)(zhi),成品成毯狀(zhuang)。與鑲嵌的束(shu)簇型(xing)草(cao)(cao)(cao)坪相比,編織(zhi)(zhi)人造草(cao)(cao)(cao)坪制(zhi)作程序(xu)復(fu)雜,價格相對昂(ang)貴,草(cao)(cao)(cao)坪表面硬(ying)度大,緩沖(chong)性(xing)能不(bu)好,但草(cao)(cao)(cao)坪均(jun)一性(xing)好,結(jie)實耐(nai)用(yong),非常適用(yong)于網球(qiu)(qiu)(qiu)、曲棍球(qiu)(qiu)(qiu)、草(cao)(cao)(cao)地(di)保齡球(qiu)(qiu)(qiu)等(deng)運動。鑲嵌式(shi)草(cao)(cao)(cao)坪與編織(zhi)(zhi)型(xing)草(cao)(cao)(cao)坪相比,葉狀(zhuang)纖維長度較(jiao)長且變化較(jiao)大,可(ke)(ke)以(yi)從12mm到55mm不(bu)等(deng),而且可(ke)(ke)以(yi)根據特殊(shu)需要進(jin)行調整(zheng)。草(cao)(cao)(cao)叢間填充石(shi)英砂、橡膠粒(li)或(huo)二(er)者的混合物等(deng),外(wai)觀與性(xing)狀(zhuang)表現(xian)也(ye)與天然草(cao)(cao)(cao)坪較(jiao)為接近,室(shi)內(nei)室(shi)外(wai)均(jun)可(ke)(ke)安(an)裝,適用(yong)于足球(qiu)(qiu)(qiu)、橄欖球(qiu)(qiu)(qiu)、棒球(qiu)(qiu)(qiu)等(deng)。
(二)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)的(de)(de)(de)(de)(de)(de)制作(zuo)(zuo)(zuo)材(cai)(cai)料及選(xuan)擇人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)的(de)(de)(de)(de)(de)(de)制作(zuo)(zuo)(zuo)材(cai)(cai)料一(yi)般(ban)有(you)兩種:聚(ju)丙烯(xi)(Polypropylene,PP)和聚(ju)乙烯(xi)(Polyethylene,PE)。PP材(cai)(cai)料的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)堅實,緩沖(chong)(chong)力較(jiao)(jiao)小(xiao)(xiao),一(yi)般(ban)適(shi)用于沖(chong)(chong)擊(ji)(ji)力較(jiao)(jiao)小(xiao)(xiao)的(de)(de)(de)(de)(de)(de)運動(dong)項目如(ru)網球等(deng)(deng)。而PE材(cai)(cai)料的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)質(zhi)地柔(rou)軟,緩沖(chong)(chong)性能良好,對(dui)(dui)(dui)運動(dong)員(yuan)的(de)(de)(de)(de)(de)(de)傷(shang)害(hai)作(zuo)(zuo)(zuo)用小(xiao)(xiao),適(shi)用于沖(chong)(chong)擊(ji)(ji)力較(jiao)(jiao)大的(de)(de)(de)(de)(de)(de)運動(dong)項目如(ru)足球、橄欖球等(deng)(deng)。也可以(yi)將兩種材(cai)(cai)料混合(he)(he)制作(zuo)(zuo)(zuo)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping),如(ru)此可以(yi)綜(zong)合(he)(he)二者的(de)(de)(de)(de)(de)(de)優點(dian),滿足特殊比賽的(de)(de)(de)(de)(de)(de)需(xu)要。對(dui)(dui)(dui)于一(yi)些高(gao)強度(du)的(de)(de)(de)(de)(de)(de)運動(dong)比賽,為(wei)了提高(gao)比賽質(zhi)量和盡量減少運動(dong)員(yuan)的(de)(de)(de)(de)(de)(de)損傷(shang),在(zai)選(xuan)擇人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)時,一(yi)般(ban)要選(xuan)擇高(gao)度(du)相(xiang)對(dui)(dui)(dui)較(jiao)(jiao)高(gao)的(de)(de)(de)(de)(de)(de)纖(xian)維材(cai)(cai)料,通常(chang)(chang)為(wei)25~50mm,而且(qie)要選(xuan)擇PE人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)或PE/PP混合(he)(he)材(cai)(cai)料的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)。建(jian)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)運動(dong)場(chang),在(zai)選(xuan)擇人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)的(de)(de)(de)(de)(de)(de)高(gao)度(du)時,一(yi)般(ban)要考慮球場(chang)的(de)(de)(de)(de)(de)(de)總體(ti)預算,高(gao)度(du)相(xiang)對(dui)(dui)(dui)較(jiao)(jiao)高(gao)的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping),其建(jian)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)和養護(hu)費用相(xiang)對(dui)(dui)(dui)也較(jiao)(jiao)高(gao),在(zai)歐洲許多(duo)學(xue)校運動(dong)場(chang)常(chang)(chang)選(xuan)擇高(gao)度(du)為(wei)19mm的(de)(de)(de)(de)(de)(de)草(cao)(cao)(cao)坪(ping)(ping)(ping),25~32mm高(gao)度(du)的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)就完全可以(yi)提供一(yi)個高(gao)質(zhi)量的(de)(de)(de)(de)(de)(de)運動(dong)場(chang),而一(yi)些專業運動(dong)場(chang)的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)高(gao)度(du)通常(chang)(chang)選(xuan)擇在(zai)50~55mm,這個高(gao)度(du)通常(chang)(chang)也被認(ren)為(wei)是理想(xiang)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)的(de)(de)(de)(de)(de)(de)上限(xian)。美國(guo)一(yi)些橄欖球運動(dong)場(chang),人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)的(de)(de)(de)(de)(de)(de)高(gao)度(du)更高(gao),約70mm,但一(yi)般(ban)情況下,如(ru)此高(gao)的(de)(de)(de)(de)(de)(de)人(ren)(ren)(ren)造(zao)(zao)(zao)(zao)(zao)(zao)(zao)(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)運動(dong)場(chang)并不多(duo)見。
(三(san))人(ren)(ren)造(zao)(zao)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)的(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong) 1.填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)材(cai)料(liao)(liao)的(de)(de)(de)(de)(de)選擇人(ren)(ren)造(zao)(zao)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)的(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)材(cai)料(liao)(liao)一(yi)般(ban)為(wei)沙或橡(xiang)(xiang)(xiang)膠(jiao)顆粒,有時(shi)也將二者混合使(shi)(shi)(shi)用(yong)(yong)(yong),在(zai)(zai)混合使(shi)(shi)(shi)用(yong)(yong)(yong)時(shi),二者的(de)(de)(de)(de)(de)比例(li)依具體情況而定,通(tong)常(chang)(chang)的(de)(de)(de)(de)(de)混用(yong)(yong)(yong)比例(li)為(wei)70%橡(xiang)(xiang)(xiang)膠(jiao)顆粒+30%沙。過去常(chang)(chang)使(shi)(shi)(shi)用(yong)(yong)(yong)100%的(de)(de)(de)(de)(de)沙作為(wei)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)材(cai)料(liao)(liao),為(wei)的(de)(de)(de)(de)(de)是(shi)增加草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)基(ji)(ji)部的(de)(de)(de)(de)(de)穩定性(xing),但(dan)是(shi)隨著人(ren)(ren)造(zao)(zao)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)制造(zao)(zao)工藝的(de)(de)(de)(de)(de)日益成熟,其基(ji)(ji)礎制造(zao)(zao)相對已十分完善,所以過去以填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)沙來穩定草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)的(de)(de)(de)(de)(de)做(zuo)法(fa)已逐漸被淘汰,現在(zai)(zai)使(shi)(shi)(shi)用(yong)(yong)(yong)較多的(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)方式為(wei)100%橡(xiang)(xiang)(xiang)膠(jiao)顆粒。填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)的(de)(de)(de)(de)(de)沙或橡(xiang)(xiang)(xiang)膠(jiao)顆粒多為(wei)中等(deng)大(da)小,而且在(zai)(zai)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)之(zhi)前一(yi)定要(yao)(yao)(yao)將其洗(xi)凈。對于一(yi)些沖擊(ji)強度(du)(du)(du)較大(da)的(de)(de)(de)(de)(de)運(yun)動項目如(ru)橄欖球(qiu)(qiu)(qiu)、足(zu)球(qiu)(qiu)(qiu)等(deng),應適當增加橡(xiang)(xiang)(xiang)膠(jiao)顆粒的(de)(de)(de)(de)(de)比例(li),盡(jin)量減少(shao)運(yun)動員的(de)(de)(de)(de)(de)損傷。對那些沖擊(ji)強度(du)(du)(du)小或幾乎沒有沖擊(ji)作用(yong)(yong)(yong)的(de)(de)(de)(de)(de)運(yun)動場(chang)地如(ru)網球(qiu)(qiu)(qiu)場(chang)等(deng),只要(yao)(yao)(yao)場(chang)地硬(ying)度(du)(du)(du)均(jun)一(yi)即(ji)可(ke),對緩沖性(xing)的(de)(de)(de)(de)(de)要(yao)(yao)(yao)求(qiu)(qiu)不高(gao),因此,在(zai)(zai)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)材(cai)料(liao)(liao)的(de)(de)(de)(de)(de)選擇上余地較大(da)。 2.填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)深(shen)(shen)度(du)(du)(du)人(ren)(ren)造(zao)(zao)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)中石英砂或橡(xiang)(xiang)(xiang)膠(jiao)顆粒的(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)深(shen)(shen)度(du)(du)(du)可(ke)根據使(shi)(shi)(shi)用(yong)(yong)(yong)目的(de)(de)(de)(de)(de)和(he)所選擇的(de)(de)(de)(de)(de)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)束高(gao)度(du)(du)(du)而定。對于沖擊(ji)強度(du)(du)(du)較大(da)的(de)(de)(de)(de)(de)運(yun)動,可(ke)選用(yong)(yong)(yong)葉束較長的(de)(de)(de)(de)(de)人(ren)(ren)造(zao)(zao)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)且填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)較深(shen)(shen)的(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)物(wu)(wu),一(yi)般(ban)人(ren)(ren)造(zao)(zao)足(zu)球(qiu)(qiu)(qiu)場(chang)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)適宜的(de)(de)(de)(de)(de)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)深(shen)(shen)度(du)(du)(du)為(wei)離葉尖(jian)5mm;而對于要(yao)(yao)(yao)求(qiu)(qiu)平整(zheng)度(du)(du)(du)高(gao)、均(jun)一(yi)性(xing)好的(de)(de)(de)(de)(de)運(yun)動如(ru)曲棍球(qiu)(qiu)(qiu),葉束可(ke)適當降低,填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)深(shen)(shen)度(du)(du)(du)可(ke)升高(gao),甚至可(ke)以與草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)面持平。美國(guo)賓西法(fa)尼亞(ya)州(zhou)立大(da)學(xue)研究(jiu)表明,人(ren)(ren)造(zao)(zao)足(zu)球(qiu)(qiu)(qiu)場(chang)草(cao)(cao)(cao)(cao)(cao)坪(ping)(ping)上,足(zu)球(qiu)(qiu)(qiu)的(de)(de)(de)(de)(de)反(fan)彈及(ji)球(qiu)(qiu)(qiu)場(chang)表面硬(ying)度(du)(du)(du),在(zai)(zai)某種程(cheng)度(du)(du)(du)上可(ke)以由填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)物(wu)(wu)類型和(he)填(tian)(tian)(tian)(tian)(tian)(tian)充(chong)(chong)深(shen)(shen)度(du)(du)(du)來控制。
(四)人造草坪(ping)(ping)排(pai)(pai)水(shui)設計(ji)有(you)(you)的人造草坪(ping)(ping)設計(ji)有(you)(you)排(pai)(pai)水(shui)系(xi)統,草坪(ping)(ping)墊層具有(you)(you)滲(shen)透性,基礎層中(zhong)設計(ji)有(you)(you)排(pai)(pai)水(shui)管道,此(ci)(ci)類草坪(ping)(ping)的建(jian)(jian)造結(jie)構(gou)較復雜,造價較高(gao)。但也有(you)(you)的系(xi)統沒有(you)(you)設計(ji)排(pai)(pai)水(shui)系(xi)統,那就要(yao)依靠(kao)表(biao)面自然坡度排(pai)(pai)水(shui),因(yin)(yin)(yin)此(ci)(ci)對表(biao)面建(jian)(jian)造要(yao)求較高(gao)。在(zai)人造草坪(ping)(ping)建(jian)(jian)造之前,為(wei)了保證草坪(ping)(ping)質量及經濟有(you)(you)效,以(yi)上四個因(yin)(yin)(yin)素(su)(su)是應(ying)主要(yao)考(kao)慮的。除了這四條主要(yao)因(yin)(yin)(yin)素(su)(su)外,還有(you)(you)其他的一些因(yin)(yin)(yin)素(su)(su)如(ru)基層的處(chu)理(li)、粘結(jie)用(yong)(yong)膠(jiao)的選擇等(deng)。總(zong)之,在(zai)實際(ji)工程建(jian)(jian)造中(zhong),應(ying)該將各項因(yin)(yin)(yin)素(su)(su)與投資方的經濟投入(ru)、草坪(ping)(ping)實際(ji)使(shi)用(yong)(yong)特點等(deng)因(yin)(yin)(yin)素(su)(su)充分結(jie)合,以(yi)科(ke)學(xue)的理(li)論(lun)與技術為(wei)依托,最大程度的實現經濟、適用(yong)(yong)、有(you)(you)效原則。
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