朔州煤礦礦用pe排水管貨源

朔州煤礦礦用pe排水管貨源
HDPE給(gei)水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)由(you)(you)于(yu)(yu)(yu)(yu)其(qi)強(qiang)度(du)高、耐腐(fu)蝕(shi)(shi)、等(deng)特點(dian)，被(bei)(bei)廣(guang)泛應(ying)(ying)(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)(yu)給(gei)水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)制(zhi)造(zao)領(ling)域(yu)(yu)。因(yin)為(wei)(wei)(wei)它不(bu)(bu)會(hui)(hui)生(sheng)(sheng)(sheng)銹，所(suo)(suo)以(yi)，是(shi)(shi)(shi)(shi)(shi)替代(dai)普通(tong)鐵給(gei)水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)理(li)想管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)。我國塑料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)發(fa)展(zhan)很(hen)快，質(zhi)量(liang)在不(bu)(bu)斷提高。其(qi)中(zhong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)由(you)(you)于(yu)(yu)(yu)(yu)其(qi)自(zi)身獨特的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)優(you)(you)(you)點(dian)被(bei)(bei)廣(guang)泛的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應(ying)(ying)(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)(yu)建(jian)筑(zhu)給(gei)水(shui)(shui)(shui)(shui)(shui)，建(jian)筑(zhu)排水(shui)(shui)(shui)(shui)(shui)，埋(mai)(mai)地(di)(di)排水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，建(jian)筑(zhu)采暖、輸氣(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，電工(gong)(gong)與(yu)電訊保(bao)護套管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、工(gong)(gong)業(ye)用(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、農(nong)業(ye)用(yong)(yong)(yong)(yong)(yong)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)。其(qi)主(zhu)要應(ying)(ying)(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)于(yu)(yu)(yu)(yu)城(cheng)市(shi)供(gong)(gong)(gong)水(shui)(shui)(shui)(shui)(shui)、城(cheng)市(shi)燃氣(qi)供(gong)(gong)(gong)應(ying)(ying)(ying)(ying)(ying)及(ji)農(nong)田(tian)灌(guan)溉等(deng)領(ling)域(yu)(yu)。 (1)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)具有(you)優(you)(you)(you)良(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)耐腐(fu)蝕(shi)(shi)性(xing)(xing)(xing)(xing)(xing)、較好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)衛生(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)和(he)(he)(he)較長的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)(yong)(yong)(yong)壽(shou)命 聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)為(wei)(wei)(wei)無(wu)惰(duo)性(xing)(xing)(xing)(xing)(xing)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)，除少量(liang)強(qiang)氧(yang)化(hua)劑外(wai)，可(ke)耐多(duo)種化(hua)學(xue)藥品侵蝕(shi)(shi)，且(qie)不(bu)(bu)易(yi)滋(zi)生(sheng)(sheng)(sheng)細菌(jun)。眾(zhong)所(suo)(suo)周知鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鑄鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)被(bei)(bei)塑料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)所(suo)(suo)取(qu)代(dai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)原因(yin)不(bu)(bu)僅是(shi)(shi)(shi)(shi)(shi)因(yin)為(wei)(wei)(wei)塑料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)比其(qi)輸水(shui)(shui)(shui)(shui)(shui)能(neng)(neng)(neng)(neng)(neng)耗低(di)(di)(di)、生(sheng)(sheng)(sheng)活能(neng)(neng)(neng)(neng)(neng)耗低(di)(di)(di)、重(zhong)量(liang)輕、水(shui)(shui)(shui)(shui)(shui)流阻(zu)力(li)(li)(li)小、安(an)裝(zhuang)簡便迅速、造(zao)價低(di)(di)(di)、壽(shou)命長、具有(you)保(bao)溫(wen)(wen)功能(neng)(neng)(neng)(neng)(neng)等(deng)，還因(yin)為(wei)(wei)(wei)塑料(liao)(liao)(liao)(liao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)耐腐(fu)蝕(shi)(shi)、不(bu)(bu)易(yi)滋(zi)生(sheng)(sheng)(sheng)微生(sheng)(sheng)(sheng)物等(deng)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)優(you)(you)(you)于(yu)(yu)(yu)(yu)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)鑄鐵管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。 聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)(yong)(yong)(yong)(yong)壽(shou)命為(wei)(wei)(wei)50年以(yi)上(shang)，這(zhe)一(yi)(yi)點(dian)不(bu)(bu)僅已為(wei)(wei)(wei)國際標準和(he)(he)(he)國外(wai)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)些先進(jin)(jin)(jin)標準所(suo)(suo)確認，而(er)(er)且(qie)已經被(bei)(bei)實踐所(suo)(suo)證(zheng)(zheng)明。 聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)能(neng)(neng)(neng)(neng)(neng)夠(gou)推(tui)廣(guang)應(ying)(ying)(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)另一(yi)(yi)個(ge)原因(yin)是(shi)(shi)(shi)(shi)(shi)因(yin)為(wei)(wei)(wei)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)日益受(shou)到環境(jing)保(bao)護方面的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓力(li)(li)(li)。首先是(shi)(shi)(shi)(shi)(shi)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)本身的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)衛生(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)問(wen)題(ti)(ti):眾(zhong)所(suo)(suo)周知，在正規(gui)生(sheng)(sheng)(sheng)產和(he)(he)(he)嚴格控制(zhi)下(xia)(xia)生(sheng)(sheng)(sheng)產聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)(shi)(shi)可(ke)以(yi)保(bao)證(zheng)(zheng)衛生(sheng)(sheng)(sheng)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，容許應(ying)(ying)(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)在飲用(yong)(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)領(ling)域(yu)(yu)。但是(shi)(shi)(shi)(shi)(shi)還是(shi)(shi)(shi)(shi)(shi)有(you)人擔心在控制(zhi)不(bu)(bu)嚴的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)地(di)(di)方可(ke)能(neng)(neng)(neng)(neng)(neng)會(hui)(hui)發(fa)生(sheng)(sheng)(sheng)問(wen)題(ti)(ti):如(ru)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)樹脂(zhi)中(zhong)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)單(dan)體的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)超標，在給(gei)水(shui)(shui)(shui)(shui)(shui)用(yong)(yong)(yong)(yong)(yong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)配方中(zhong)誤(wu)用(yong)(yong)(yong)(yong)(yong)了(le)有(you)毒的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)助劑。把不(bu)(bu)保(bao)證(zheng)(zheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)排水(shui)(shui)(shui)(shui)(shui)用(yong)(yong)(yong)(yong)(yong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)誤(wu)用(yong)(yong)(yong)(yong)(yong)到了(le)給(gei)水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)(he)(he)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)等(deng)。其(qi)次是(shi)(shi)(shi)(shi)(shi)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)回收(shou)問(wen)題(ti)(ti):聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)和(he)(he)(he)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)一(yi)(yi)樣(yang)是(shi)(shi)(shi)(shi)(shi)熱塑性(xing)(xing)(xing)(xing)(xing)塑料(liao)(liao)(liao)(liao)，從(cong)(cong)(cong)理(li)論上(shang)講都是(shi)(shi)(shi)(shi)(shi)可(ke)以(yi)利用(yong)(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)，但是(shi)(shi)(shi)(shi)(shi)各(ge)國的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)證(zheng)(zheng)明，舊塑料(liao)(liao)(liao)(liao)制(zhi)品能(neng)(neng)(neng)(neng)(neng)回收(shou)再生(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)比例有(you)限，主(zhu)要的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)處理(li)方式(shi)是(shi)(shi)(shi)(shi)(shi)焚(fen)燒回收(shou)能(neng)(neng)(neng)(neng)(neng)源，聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)因(yin)為(wei)(wei)(wei)含氯(lv)，在焚(fen)燒時控制(zhi)不(bu)(bu)好就(jiu)可(ke)能(neng)(neng)(neng)(neng)(neng)產生(sheng)(sheng)(sheng)有(you)害(hai)物質(zhi)，而(er)(er)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)僅含碳氫，焚(fen)燒后生(sheng)(sheng)(sheng)成(cheng)(cheng)水(shui)(shui)(shui)(shui)(shui)和(he)(he)(he)二氧(yang)化(hua)碳。 聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)具有(you)獨特的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)柔(rou)(rou)韌性(xing)(xing)(xing)(xing)(xing)和(he)(he)(he)優(you)(you)(you)良(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)耐刮(gua)痕的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)能(neng)(neng)(neng)(neng)(neng)力(li)(li)(li) 良(liang)(liang)好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)撓(nao)性(xing)(xing)(xing)(xing)(xing)使聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)以(yi)盤(pan)卷，以(yi)較長的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)長度(du)進(jin)(jin)(jin)行(xing)供(gong)(gong)(gong)應(ying)(ying)(ying)(ying)(ying)，避免了(le)大量(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)接頭和(he)(he)(he)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)件(jian)。同時，撓(nao)性(xing)(xing)(xing)(xing)(xing)和(he)(he)(he)重(zhong)量(liang)輕及(ji)具有(you)優(you)(you)(you)良(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)耐刮(gua)痕能(neng)(neng)(neng)(neng)(neng)力(li)(li)(li)，使之可(ke)采用(yong)(yong)(yong)(yong)(yong)多(duo)種可(ke)減(jian)輕對(dui)環境(jing)和(he)(he)(he)社會(hui)(hui)生(sheng)(sheng)(sheng)活的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)影響且(qie)費(fei)用(yong)(yong)(yong)(yong)(yong)經濟(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)安(an)裝(zhuang)方法(fa)，如(ru)免開(kai)(kai)挖施(shi)工(gong)(gong)技術(shu)。免開(kai)(kai)挖施(shi)工(gong)(gong)技術(shu)是(shi)(shi)(shi)(shi)(shi)指利用(yong)(yong)(yong)(yong)(yong)各(ge)種巖土鉆(zhan)掘的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)技術(shu)手段(duan)，在地(di)(di)表(biao)不(bu)(bu)開(kai)(kai)溝(gou)(槽)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)條(tiao)件(jian)下(xia)(xia)鋪(pu)設(she)(she)、更換或修復各(ge)種地(di)(di)下(xia)(xia)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)施(shi)工(gong)(gong)技術(shu)。多(duo)種免開(kai)(kai)挖施(shi)工(gong)(gong)技術(shu)非常適宜采用(yong)(yong)(yong)(yong)(yong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)，如(ru)鋪(pu)設(she)(she)新管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)平定向(xiang)(xiang)鉆(zhan)進(jin)(jin)(jin)和(he)(he)(he)導向(xiang)(xiang)鉆(zhan)進(jin)(jin)(jin)法(fa)，原位(wei)更換舊管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)脹管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)法(fa)及(ji)修復舊管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)線(xian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)穿插更新內襯法(fa)及(ji)各(ge)種改(gai)進(jin)(jin)(jin)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)內襯法(fa)(折疊變(bian)形法(fa)、熱拔法(fa)和(he)(he)(he)冷軋法(fa))。 PE獨特的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)柔(rou)(rou)韌性(xing)(xing)(xing)(xing)(xing)還使其(qi)能(neng)(neng)(neng)(neng)(neng)夠(gou)有(you)效的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)抵(di)抗地(di)(di)下(xia)(xia)運動和(he)(he)(he)端載荷。從(cong)(cong)(cong)表(biao)面上(shang)看(kan)，強(qiang)度(du)和(he)(he)(he)剛(gang)性(xing)(xing)(xing)(xing)(xing)方面，塑料(liao)(liao)(liao)(liao)埋(mai)(mai)地(di)(di)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)不(bu)(bu)及(ji)水(shui)(shui)(shui)(shui)(shui)泥管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)金屬管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)，但從(cong)(cong)(cong)實際應(ying)(ying)(ying)(ying)(ying)用(yong)(yong)(yong)(yong)(yong)看(kan)，塑料(liao)(liao)(liao)(liao)埋(mai)(mai)地(di)(di)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)(shi)(shi)屬于(yu)(yu)(yu)(yu)"柔(rou)(rou)性(xing)(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)"，在正確設(she)(she)計和(he)(he)(he)鋪(pu)設(she)(she)施(shi)工(gong)(gong)下(xia)(xia)塑料(liao)(liao)(liao)(liao)埋(mai)(mai)地(di)(di)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)(shi)(shi)(shi)(shi)和(he)(he)(he)周圍土壤(rang)共(gong)同承受(shou)負載的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。所(suo)(suo)以(yi)塑料(liao)(liao)(liao)(liao)埋(mai)(mai)地(di)(di)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)不(bu)(bu)需要達到"鋼(gang)性(xing)(xing)(xing)(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)"一(yi)(yi)樣(yang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)強(qiang)度(du)和(he)(he)(he)剛(gang)性(xing)(xing)(xing)(xing)(xing)就(jiu)可(ke)以(yi)滿足埋(mai)(mai)地(di)(di)使用(yong)(yong)(yong)(yong)(yong)中(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)力(li)(li)(li)學(xue)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)要求。同時，聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)壓力(li)(li)(li)松弛特性(xing)(xing)(xing)(xing)(xing)可(ke)有(you)效地(di)(di)通(tong)過形變(bian)而(er)(er)消耗應(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)，其(qi)實際軸向(xiang)(xiang)應(ying)(ying)(ying)(ying)(ying)力(li)(li)(li)水(shui)(shui)(shui)(shui)(shui)平遠比理(li)論計算值低(di)(di)(di)，而(er)(er)且(qie)其(qi)斷裂伸長率一(yi)(yi)般都大于(yu)(yu)(yu)(yu)500%，彎曲半徑可(ke)以(yi)小到管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)直徑的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)20~25倍，是(shi)(shi)(shi)(shi)(shi)一(yi)(yi)種高韌性(xing)(xing)(xing)(xing)(xing)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)，對(dui)地(di)(di)基不(bu)(bu)均勻沉降的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)適應(ying)(ying)(ying)(ying)(ying)能(neng)(neng)(neng)(neng)(neng)力(li)(li)(li)非常強(qiang)，這(zhe)些特點(dian)使其(qi)成(cheng)(cheng)為(wei)(wei)(wei)抵(di)御(yu)地(di)(di)震、地(di)(di)基沉降以(yi)及(ji)溫(wen)(wen)差伸縮的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)為(wei)(wei)(wei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)。例如(ru)在1995年日本神(shen)戶大地(di)(di)震中(zhong)，PE給(gei)水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)及(ji)燃氣(qi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)就(jiu)是(shi)(shi)(shi)(shi)(shi)幸(xing)免的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)系(xi)統。 聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)具有(you)非常突(tu)出的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)耐低(di)(di)(di)溫(wen)(wen)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng) PE管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)低(di)(di)(di)溫(wen)(wen)脆化(hua)點(dian)為(wei)(wei)(wei)-70℃，優(you)(you)(you)于(yu)(yu)(yu)(yu)其(qi)他(ta)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)。在冬(dong)季(ji)野外(wai)施(shi)工(gong)(gong)時聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)(PVC-U)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)容易(yi)脆裂，我國北京地(di)(di)區鋪(pu)設(she)(she)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)(PVC-U)埋(mai)(mai)地(di)(di)給(gei)水(shui)(shui)(shui)(shui)(shui)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)試點(dian)工(gong)(gong)程中(zhong)總結(jie)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)條(tiao)經驗是(shi)(shi)(shi)(shi)(shi)溫(wen)(wen)度(du)在零度(du)以(yi)下(xia)(xia)就(jiu)不(bu)(bu)適宜進(jin)(jin)(jin)行(xing)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)氯(lv)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)(PVC-U)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)鋪(pu)設(she)(she)施(shi)工(gong)(gong)了(le)。還有(you)一(yi)(yi)個(ge)明顯的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)佐證(zheng)(zheng)，為(wei)(wei)(wei)改(gai)進(jin)(jin)(jin)PP的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)韌性(xing)(xing)(xing)(xing)(xing)和(he)(he)(he)低(di)(di)(di)溫(wen)(wen)耐沖擊性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)，可(ke)將(jiang)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)與(yu)丙(bing)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)單(dan)體共(gong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)制(zhi)成(cheng)(cheng)無(wu)規(gui)共(gong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)(PP-R)，其(qi)一(yi)(yi)般采用(yong)(yong)(yong)(yong)(yong)iPP的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)藝路線(xian)和(he)(he)(he)方法(fa)，使丙(bing)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)和(he)(he)(he)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)混合氣(qi)體進(jin)(jin)(jin)行(xing)共(gong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)合，得(de)到主(zhu)鏈中(zhong)無(wu)規(gui)則地(di)(di)分布著丙(bing)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)和(he)(he)(he)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)段(duan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)共(gong)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)物(即PP-R管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao))，PP-R管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)材(cai)(cai)(cai)料(liao)(liao)(liao)(liao)中(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)含量(liang)大多(duo)在3%左(zuo)右。但改(gai)善后的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)PP-R耐低(di)(di)(di)溫(wen)(wen)性(xing)(xing)(xing)(xing)(xing)能(neng)(neng)(neng)(neng)(neng)仍不(bu)(bu)盡(jin)人意，其(qi)脆化(hua)點(dian)約為(wei)(wei)(wei)-15℃，遠高于(yu)(yu)(yu)(yu)聚(ju)(ju)(ju)(ju)(ju)(ju)(ju)乙(yi)(yi)(yi)(yi)(yi)(yi)(yi)烯(xi)(xi)(xi)(xi)(xi)(xi)(xi)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)脆化(hua)點(dian)溫(wen)(wen)度(du)-70℃。