自(zi)(zi)應力(li)鋼筋混凝(ning)土壓(ya)力(li)管(guan)(guan)(guan)（RCCP管(guan)(guan)(guan)）有(you)(you)平口(kou)式管(guan)(guan)(guan)和(he)(he)承插式管(guan)(guan)(guan)兩(liang)種，已成功地(di)用(yong)(yong)(yong)(yong)于(yu)輸送水(shui)(shui)、煤氣和(he)(he)熱電廠粉煤灰等(deng)。它與(yu)鑄鐵(tie)管(guan)(guan)(guan)相比有(you)(you)下列(lie)優點：剛(gang)性好，據介紹，這種管(guan)(guan)(guan)道在地(di)下可使用(yong)(yong)(yong)(yong)80年以上(shang)；不(bu)(bu)導(dao)電，能(neng)避免雜散電流(liu)對(dui)管(guan)(guan)(guan)線的(de)腐(fu)蝕；熱導(dao)率低，外(wai)界溫度變(bian)化對(dui)管(guan)(guan)(guan)內(nei)影(ying)響(xiang)小(xiao)；長期(qi)輸水(shui)(shui)內(nei)表面不(bu)(bu)長銹瘤，通(tong)水(shui)(shui)能(neng)力(li)不(bu)(bu)變(bian)；有(you)(you)裂(lie)(lie)縫閉合和(he)(he)愈合能(neng)力(li)，若出現寬度小(xiao)于(yu)0.25mm裂(lie)(lie)紋，在自(zi)(zi)壓(ya)應力(li)作用(yong)(yong)(yong)(yong)下能(neng)閉合，通(tong)常(chang)仍可作壓(ya)力(li)為0.6MPa以內(nei)的(de)輸水(shui)(shui)管(guan)(guan)(guan)使用(yong)(yong)(yong)(yong)；鋪設(she)簡(jian)便(bian)；接頭密封性好，使用(yong)(yong)(yong)(yong)可靠；價格便(bian)宜。缺(que)點是：自(zi)(zi)重(zhong)大；性脆、易斷；當輸送含(han)有(you)(you)面體(ti)顆粒的(de)介質時，耐磨性不(bu)(bu)及鑄鐵(tie)管(guan)(guan)(guan)。RCCP管(guan)(guan)(guan)的(de)參考標(biao)準(zhun)有(you)(you)AWWA C302、AWWA C303等(deng)。