自應力(li)(li)鋼(gang)筋(jin)混凝土壓力(li)(li)管(guan)(guan)(guan)(guan)(guan)(guan)（RCCP管(guan)(guan)(guan)(guan)(guan)(guan)）有(you)平口式管(guan)(guan)(guan)(guan)(guan)(guan)和承插式管(guan)(guan)(guan)(guan)(guan)(guan)兩種，已成功地(di)用于(yu)輸送(song)水(shui)、煤(mei)氣和熱(re)電(dian)(dian)廠粉煤(mei)灰(hui)等。它與鑄鐵(tie)管(guan)(guan)(guan)(guan)(guan)(guan)相(xiang)比有(you)下列優(you)點(dian)：剛性(xing)(xing)好(hao)，據介(jie)紹，這種管(guan)(guan)(guan)(guan)(guan)(guan)道在地(di)下可使用80年以上；不(bu)導(dao)(dao)電(dian)(dian)，能(neng)避免雜(za)散電(dian)(dian)流對(dui)管(guan)(guan)(guan)(guan)(guan)(guan)線的腐蝕；熱(re)導(dao)(dao)率低，外界溫度(du)變化(hua)對(dui)管(guan)(guan)(guan)(guan)(guan)(guan)內影響(xiang)小；長(chang)期(qi)輸水(shui)內表面(mian)(mian)不(bu)長(chang)銹瘤，通(tong)水(shui)能(neng)力(li)(li)不(bu)變；有(you)裂(lie)縫閉合和愈合能(neng)力(li)(li)，若出現寬度(du)小于(yu)0.25mm裂(lie)紋，在自壓應力(li)(li)作用下能(neng)閉合，通(tong)常仍可作壓力(li)(li)為0.6MPa以內的輸水(shui)管(guan)(guan)(guan)(guan)(guan)(guan)使用；鋪(pu)設簡便(bian)；接頭密封性(xing)(xing)好(hao)，使用可靠；價(jia)格(ge)便(bian)宜(yi)。缺點(dian)是(shi)：自重大；性(xing)(xing)脆、易斷；當輸送(song)含有(you)面(mian)(mian)體顆粒的介(jie)質時(shi)，耐磨性(xing)(xing)不(bu)及鑄鐵(tie)管(guan)(guan)(guan)(guan)(guan)(guan)。RCCP管(guan)(guan)(guan)(guan)(guan)(guan)的參考標(biao)準有(you)AWWA C302、AWWA C303等。