亚洲黄色视频

環保性的“人造草坪”

2015-09-12 14:03:35  來源:  字號:【亞洲黃色視頻:  亞洲黃色視頻:  亞洲黃色視頻:】  瀏覽:324

 

人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)是(shi)(shi)以(yi)非(fei)(fei)生(sheng)命(ming)的(de)塑料(liao)(liao)化纖產品為原料(liao)(liao),采用(yong)人(ren)工方法制(zhi)作的(de)擬草(cao)(cao)坪(ping)(ping)(ping)。它是(shi)(shi)解決(jue)利(li)(li)用(yong)強度(du)(du)(du)過高、生(sheng)長(chang)條(tiao)件極(ji)端不(bu)利(li)(li)等天(tian)然草(cao)(cao)坪(ping)(ping)(ping)不(bu)易生(sheng)長(chang)而不(bu)宜建植(zhi)草(cao)(cao)坪(ping)(ping)(ping)的(de)一種重要(yao)途徑(jing)。與天(tian)然草(cao)(cao)坪(ping)(ping)(ping)相比,人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)具有(you)非(fei)(fei)常明(ming)顯的(de)優(you)缺(que)(que)點(dian)。如(ru)可(ke)以(yi)全天(tian)候使用(yong),受(shou)雨、雪(xue)天(tian)氣影響(xiang)小;維(wei)護簡單(dan),養護費用(yong)低;材質環保(bao),表(biao)(biao)面(mian)層可(ke)回收再利(li)(li)用(yong)等優(you)點(dian),是(shi)(shi)天(tian)然草(cao)(cao)坪(ping)(ping)(ping)所(suo)不(bu)可(ke)替代的(de),因(yin)此(ci),人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)非(fei)(fei)常適用(yong)于使用(yong)頻率較(jiao)高的(de)中小學(xue)運動(dong)場或(huo)各種訓練場。但是(shi)(shi),由于人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)采用(yong)的(de)是(shi)(shi)化學(xue)纖維(wei)材料(liao)(liao),而且以(yi)瀝(li)青或(huo)混凝土(tu)作為基層,所(suo)以(yi)其表(biao)(biao)面(mian)硬(ying)度(du)(du)(du)大(da),緩沖(chong)性能較(jiao)差(cha),極(ji)易導(dao)致運動(dong)員(yuan)腳(jiao)踝(huai)及膝關節受(shou)傷(shang);同時(shi)其表(biao)(biao)面(mian)溫度(du)(du)(du)變化幅度(du)(du)(du)大(da),尤其是(shi)(shi)在(zai)夏季,最高溫度(du)(du)(du)可(ke)達52℃,如(ru)此(ci)高的(de)溫度(du)(du)(du)對運動(dong)員(yuan)的(de)競技(ji)狀態及環境都會(hui)造(zao)成很大(da)的(de)影響(xiang)。近(jin)年(nian)來,隨著人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)建造(zao)技(ji)術不(bu)斷更新以(yi)及纖維(wei)材料(liao)(liao)和填(tian)充(chong)材料(liao)(liao)的(de)發展(zhan),使得(de)人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)的(de)諸多缺(que)(que)點(dian),如(ru)表(biao)(biao)面(mian)硬(ying)度(du)(du)(du)大(da)、緩沖(chong)性能差(cha)等逐漸得(de)以(yi)改(gai)善,當然這些(xie)都是(shi)(shi)以(yi)正(zheng)確選擇(ze)草(cao)(cao)坪(ping)(ping)(ping)材料(liao)(liao)及保(bao)證(zheng)科學(xue)合理的(de)建造(zao)技(ji)術和質量的(de)前(qian)提下,才(cai)能得(de)以(yi)實現的(de)。人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)在(zai)建造(zao)之(zhi)前(qian),應(ying)主(zhu)要(yao)考慮以(yi)下幾個因(yin)素:人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)類(lei)型(xing)、所(suo)用(yong)人(ren)造(zao)草(cao)(cao)坪(ping)(ping)(ping)的(de)纖維(wei)材料(liao)(liao)(PP或(huo)PE);填(tian)充(chong)物質的(de)類(lei)型(xing)(硅砂、橡膠粒或(huo)二者的(de)混合)及填(tian)充(chong)深度(du)(du)(du);排(pai)水設計等。

亞洲黃色視頻:北京市適普益康健身器材有限責任公司   

    (一)人造草(cao)坪(ping)(ping)(ping)(ping)類(lei)(lei)型(xing)(xing)的(de)選擇人造草(cao)坪(ping)(ping)(ping)(ping)的(de)草(cao)坪(ping)(ping)(ping)(ping)面(mian)可(ke)(ke)分(fen)為兩種類(lei)(lei)型(xing)(xing):鑲(xiang)嵌(qian)型(xing)(xing)和編(bian)(bian)織型(xing)(xing)。編(bian)(bian)織型(xing)(xing)草(cao)坪(ping)(ping)(ping)(ping)采用(yong)尼龍編(bian)(bian)織,成(cheng)品成(cheng)毯狀。與鑲(xiang)嵌(qian)的(de)束簇型(xing)(xing)草(cao)坪(ping)(ping)(ping)(ping)相比(bi),編(bian)(bian)織人造草(cao)坪(ping)(ping)(ping)(ping)制(zhi)作程序(xu)復雜,價格(ge)相對昂貴,草(cao)坪(ping)(ping)(ping)(ping)表面(mian)硬(ying)度(du)大,緩沖性(xing)能不好,但草(cao)坪(ping)(ping)(ping)(ping)均(jun)一性(xing)好,結實耐用(yong),非(fei)常適用(yong)于(yu)網球、曲棍球、草(cao)地保齡(ling)球等(deng)運動。鑲(xiang)嵌(qian)式草(cao)坪(ping)(ping)(ping)(ping)與編(bian)(bian)織型(xing)(xing)草(cao)坪(ping)(ping)(ping)(ping)相比(bi),葉(xie)狀纖維長度(du)較長且變化較大,可(ke)(ke)以從12mm到55mm不等(deng),而(er)且可(ke)(ke)以根(gen)據特殊需(xu)要進行(xing)調整(zheng)。草(cao)叢間(jian)填充(chong)石英砂(sha)、橡膠粒或二者的(de)混合物等(deng),外(wai)觀與性(xing)狀表現也與天然草(cao)坪(ping)(ping)(ping)(ping)較為接(jie)近(jin),室(shi)內室(shi)外(wai)均(jun)可(ke)(ke)安裝,適用(yong)于(yu)足球、橄(gan)欖球、棒球等(deng)。

 

    (二)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)的(de)(de)(de)(de)(de)制作(zuo)材(cai)料(liao)(liao)(liao)(liao)及選擇(ze)(ze)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)的(de)(de)(de)(de)(de)制作(zuo)材(cai)料(liao)(liao)(liao)(liao)一(yi)(yi)(yi)(yi)般(ban)(ban)(ban)有兩(liang)(liang)種:聚(ju)丙烯(Polypropylene,PP)和聚(ju)乙烯(Polyethylene,PE)。PP材(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)堅實(shi),緩沖(chong)力較小,一(yi)(yi)(yi)(yi)般(ban)(ban)(ban)適用(yong)于(yu)(yu)沖(chong)擊(ji)力較小的(de)(de)(de)(de)(de)運(yun)動(dong)(dong)(dong)(dong)(dong)項(xiang)(xiang)目如(ru)網球(qiu)(qiu)等(deng)。而(er)(er)PE材(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)質地柔軟,緩沖(chong)性能良(liang)好(hao),對(dui)運(yun)動(dong)(dong)(dong)(dong)(dong)員的(de)(de)(de)(de)(de)傷害作(zuo)用(yong)小,適用(yong)于(yu)(yu)沖(chong)擊(ji)力較大的(de)(de)(de)(de)(de)運(yun)動(dong)(dong)(dong)(dong)(dong)項(xiang)(xiang)目如(ru)足球(qiu)(qiu)、橄欖(lan)(lan)球(qiu)(qiu)等(deng)。也可以(yi)將(jiang)兩(liang)(liang)種材(cai)料(liao)(liao)(liao)(liao)混合(he)(he)(he)制作(zuo)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping),如(ru)此可以(yi)綜合(he)(he)(he)二者的(de)(de)(de)(de)(de)優點,滿足特殊(shu)比(bi)賽(sai)的(de)(de)(de)(de)(de)需(xu)要(yao)(yao)。對(dui)于(yu)(yu)一(yi)(yi)(yi)(yi)些高強度(du)(du)的(de)(de)(de)(de)(de)運(yun)動(dong)(dong)(dong)(dong)(dong)比(bi)賽(sai),為(wei)了提高比(bi)賽(sai)質量(liang)(liang)和盡量(liang)(liang)減少(shao)運(yun)動(dong)(dong)(dong)(dong)(dong)員的(de)(de)(de)(de)(de)損傷,在(zai)選擇(ze)(ze)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)時(shi),一(yi)(yi)(yi)(yi)般(ban)(ban)(ban)要(yao)(yao)選擇(ze)(ze)高度(du)(du)相(xiang)對(dui)較高的(de)(de)(de)(de)(de)纖維材(cai)料(liao)(liao)(liao)(liao),通(tong)常(chang)為(wei)25~50mm,而(er)(er)且要(yao)(yao)選擇(ze)(ze)PE人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)或PE/PP混合(he)(he)(he)材(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)。建(jian)造(zao)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)運(yun)動(dong)(dong)(dong)(dong)(dong)場,在(zai)選擇(ze)(ze)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)的(de)(de)(de)(de)(de)高度(du)(du)時(shi),一(yi)(yi)(yi)(yi)般(ban)(ban)(ban)要(yao)(yao)考慮球(qiu)(qiu)場的(de)(de)(de)(de)(de)總體(ti)預算,高度(du)(du)相(xiang)對(dui)較高的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping),其建(jian)造(zao)和養護(hu)費用(yong)相(xiang)對(dui)也較高,在(zai)歐洲許多(duo)學校(xiao)運(yun)動(dong)(dong)(dong)(dong)(dong)場常(chang)選擇(ze)(ze)高度(du)(du)為(wei)19mm的(de)(de)(de)(de)(de)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping),25~32mm高度(du)(du)的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)就(jiu)完全可以(yi)提供一(yi)(yi)(yi)(yi)個高質量(liang)(liang)的(de)(de)(de)(de)(de)運(yun)動(dong)(dong)(dong)(dong)(dong)場,而(er)(er)一(yi)(yi)(yi)(yi)些專業(ye)運(yun)動(dong)(dong)(dong)(dong)(dong)場的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)高度(du)(du)通(tong)常(chang)選擇(ze)(ze)在(zai)50~55mm,這個高度(du)(du)通(tong)常(chang)也被(bei)認(ren)為(wei)是理想人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)的(de)(de)(de)(de)(de)上(shang)限。美國一(yi)(yi)(yi)(yi)些橄欖(lan)(lan)球(qiu)(qiu)運(yun)動(dong)(dong)(dong)(dong)(dong)場,人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)的(de)(de)(de)(de)(de)高度(du)(du)更高,約70mm,但一(yi)(yi)(yi)(yi)般(ban)(ban)(ban)情況下,如(ru)此高的(de)(de)(de)(de)(de)人造(zao)草(cao)(cao)(cao)坪(ping)(ping)(ping)(ping)運(yun)動(dong)(dong)(dong)(dong)(dong)場并不多(duo)見(jian)。

    (三)人(ren)造(zao)(zao)草(cao)(cao)(cao)坪(ping)的(de)(de)(de)填(tian)(tian)充(chong)(chong)(chong)(chong) 1.填(tian)(tian)充(chong)(chong)(chong)(chong)材(cai)料(liao)的(de)(de)(de)選擇人(ren)造(zao)(zao)草(cao)(cao)(cao)坪(ping)的(de)(de)(de)填(tian)(tian)充(chong)(chong)(chong)(chong)材(cai)料(liao)一(yi)般(ban)為(wei)(wei)(wei)沙(sha)(sha)或(huo)橡膠(jiao)(jiao)(jiao)(jiao)顆粒(li)(li),有時也將二者混(hun)(hun)合(he)使(shi)(shi)用(yong)(yong)(yong),在(zai)混(hun)(hun)合(he)使(shi)(shi)用(yong)(yong)(yong)時,二者的(de)(de)(de)比例依具(ju)體情況而定(ding)(ding),通常(chang)的(de)(de)(de)混(hun)(hun)用(yong)(yong)(yong)比例為(wei)(wei)(wei)70%橡膠(jiao)(jiao)(jiao)(jiao)顆粒(li)(li)+30%沙(sha)(sha)。過(guo)去(qu)常(chang)使(shi)(shi)用(yong)(yong)(yong)100%的(de)(de)(de)沙(sha)(sha)作(zuo)為(wei)(wei)(wei)填(tian)(tian)充(chong)(chong)(chong)(chong)材(cai)料(liao),為(wei)(wei)(wei)的(de)(de)(de)是增(zeng)(zeng)加(jia)草(cao)(cao)(cao)坪(ping)基(ji)部的(de)(de)(de)穩定(ding)(ding)性,但(dan)是隨(sui)著人(ren)造(zao)(zao)草(cao)(cao)(cao)坪(ping)制造(zao)(zao)工藝的(de)(de)(de)日益成熟(shu),其(qi)基(ji)礎制造(zao)(zao)相(xiang)對(dui)(dui)已十(shi)分完善,所以(yi)過(guo)去(qu)以(yi)填(tian)(tian)充(chong)(chong)(chong)(chong)沙(sha)(sha)來(lai)穩定(ding)(ding)草(cao)(cao)(cao)坪(ping)的(de)(de)(de)做法已逐漸被淘汰,現在(zai)使(shi)(shi)用(yong)(yong)(yong)較(jiao)多的(de)(de)(de)填(tian)(tian)充(chong)(chong)(chong)(chong)方式為(wei)(wei)(wei)100%橡膠(jiao)(jiao)(jiao)(jiao)顆粒(li)(li)。填(tian)(tian)充(chong)(chong)(chong)(chong)的(de)(de)(de)沙(sha)(sha)或(huo)橡膠(jiao)(jiao)(jiao)(jiao)顆粒(li)(li)多為(wei)(wei)(wei)中等(deng)(deng)大(da)小(xiao)(xiao),而且在(zai)填(tian)(tian)充(chong)(chong)(chong)(chong)之(zhi)前一(yi)定(ding)(ding)要(yao)將其(qi)洗凈。對(dui)(dui)于(yu)(yu)一(yi)些沖(chong)擊強度較(jiao)大(da)的(de)(de)(de)運動項目如橄欖球(qiu)、足(zu)(zu)(zu)球(qiu)等(deng)(deng),應適當(dang)增(zeng)(zeng)加(jia)橡膠(jiao)(jiao)(jiao)(jiao)顆粒(li)(li)的(de)(de)(de)比例,盡量減少運動員(yuan)的(de)(de)(de)損傷(shang)。對(dui)(dui)那些沖(chong)擊強度小(xiao)(xiao)或(huo)幾(ji)乎沒(mei)有沖(chong)擊作(zuo)用(yong)(yong)(yong)的(de)(de)(de)運動場(chang)(chang)(chang)地如網(wang)球(qiu)場(chang)(chang)(chang)等(deng)(deng),只要(yao)場(chang)(chang)(chang)地硬度均一(yi)即可,對(dui)(dui)緩沖(chong)性的(de)(de)(de)要(yao)求(qiu)不高,因此,在(zai)填(tian)(tian)充(chong)(chong)(chong)(chong)材(cai)料(liao)的(de)(de)(de)選擇上(shang)余地較(jiao)大(da)。 2.填(tian)(tian)充(chong)(chong)(chong)(chong)深(shen)(shen)度人(ren)造(zao)(zao)草(cao)(cao)(cao)坪(ping)中石英砂或(huo)橡膠(jiao)(jiao)(jiao)(jiao)顆粒(li)(li)的(de)(de)(de)填(tian)(tian)充(chong)(chong)(chong)(chong)深(shen)(shen)度可根據(ju)使(shi)(shi)用(yong)(yong)(yong)目的(de)(de)(de)和所選擇的(de)(de)(de)草(cao)(cao)(cao)坪(ping)束(shu)(shu)高度而定(ding)(ding)。對(dui)(dui)于(yu)(yu)沖(chong)擊強度較(jiao)大(da)的(de)(de)(de)運動,可選用(yong)(yong)(yong)葉束(shu)(shu)較(jiao)長(chang)的(de)(de)(de)人(ren)造(zao)(zao)草(cao)(cao)(cao)坪(ping)且填(tian)(tian)充(chong)(chong)(chong)(chong)較(jiao)深(shen)(shen)的(de)(de)(de)填(tian)(tian)充(chong)(chong)(chong)(chong)物,一(yi)般(ban)人(ren)造(zao)(zao)足(zu)(zu)(zu)球(qiu)場(chang)(chang)(chang)草(cao)(cao)(cao)坪(ping)適宜的(de)(de)(de)填(tian)(tian)充(chong)(chong)(chong)(chong)深(shen)(shen)度為(wei)(wei)(wei)離葉尖5mm;而對(dui)(dui)于(yu)(yu)要(yao)求(qiu)平整度高、均一(yi)性好的(de)(de)(de)運動如曲棍球(qiu),葉束(shu)(shu)可適當(dang)降低,填(tian)(tian)充(chong)(chong)(chong)(chong)深(shen)(shen)度可升高,甚至可以(yi)與草(cao)(cao)(cao)坪(ping)面持平。美(mei)國賓西法尼亞(ya)州立大(da)學(xue)研究表(biao)明(ming),人(ren)造(zao)(zao)足(zu)(zu)(zu)球(qiu)場(chang)(chang)(chang)草(cao)(cao)(cao)坪(ping)上(shang),足(zu)(zu)(zu)球(qiu)的(de)(de)(de)反彈及球(qiu)場(chang)(chang)(chang)表(biao)面硬度,在(zai)某種程度上(shang)可以(yi)由填(tian)(tian)充(chong)(chong)(chong)(chong)物類型和填(tian)(tian)充(chong)(chong)(chong)(chong)深(shen)(shen)度來(lai)控制。

    (四(si))人(ren)造(zao)草(cao)坪排(pai)水(shui)設(she)計(ji)有(you)(you)的(de)(de)(de)(de)人(ren)造(zao)草(cao)坪設(she)計(ji)有(you)(you)排(pai)水(shui)系統(tong)(tong),草(cao)坪墊層具有(you)(you)滲(shen)透性,基(ji)礎層中設(she)計(ji)有(you)(you)排(pai)水(shui)管道(dao),此(ci)類草(cao)坪的(de)(de)(de)(de)建(jian)造(zao)結(jie)構較復雜(za),造(zao)價(jia)較高。但也有(you)(you)的(de)(de)(de)(de)系統(tong)(tong)沒(mei)有(you)(you)設(she)計(ji)排(pai)水(shui)系統(tong)(tong),那就要(yao)依靠表面(mian)自然(ran)坡(po)度排(pai)水(shui),因(yin)此(ci)對表面(mian)建(jian)造(zao)要(yao)求較高。在人(ren)造(zao)草(cao)坪建(jian)造(zao)之前,為(wei)了保證草(cao)坪質量及經濟(ji)有(you)(you)效(xiao)(xiao),以上四(si)個因(yin)素是應(ying)主(zhu)要(yao)考慮的(de)(de)(de)(de)。除了這四(si)條主(zhu)要(yao)因(yin)素外,還有(you)(you)其他(ta)的(de)(de)(de)(de)一些因(yin)素如基(ji)層的(de)(de)(de)(de)處理、粘結(jie)用膠的(de)(de)(de)(de)選擇等。總之,在實(shi)際工(gong)程(cheng)建(jian)造(zao)中,應(ying)該將(jiang)各項因(yin)素與投資方的(de)(de)(de)(de)經濟(ji)投入、草(cao)坪實(shi)際使(shi)用特點等因(yin)素充分(fen)結(jie)合(he),以科學(xue)的(de)(de)(de)(de)理論與技術為(wei)依托,最大程(cheng)度的(de)(de)(de)(de)實(shi)現經濟(ji)、適用、有(you)(you)效(xiao)(xiao)原(yuan)則。

 

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