PCCP管道阴极保护试验研究.pdfVIP

4 1 2010 10 PCCP 1 2 曲兴辉 , 侯佩成 ( 1辽宁省大伙房水库输水工程建设局, 辽宁沈阳 110179; 2青岛双瑞防腐防污工程有限公司, 山东 青岛 266101) : PCCP 管钢筋腐蚀过程是电化学过程, 阻止腐蚀过程最直接的方式就是阴极保护同 阴极 保护技术与涂层保护相结合使工程更加经济, 采用阴极保护所带来的经济效益非常显著本文针对大 伙房水库输水工程(二期) PCCP管道, 通过智能化监测系统连续的监测, 综合多种因素实现了对混凝 土中自然状态下的钢筋腐蚀状态进行评估 : PCCP 管道; 阴极保护; 牺牲阳极; 试验研究; 大伙房水库输水工程 : TV6722 : A : 2010) Exp erim en tal study on cathod ic p rotection for P CCP p ipelin e 1 2 QU X inghu i, HOU Peicheng ( 1C nstructi n Bureau fW ater C nveyance Pr ject f Dahu fang Reserv ir f L ia ning Pr vince, Shenyang 110 179, L ia ning, China; 2Sunrui C rr si n and F uling C n tr l C mpany L mi ited, Q ingda 266101, Shand ng, China) A bstrac t: The cath dic pr tecti n is a m st d irect meth d t resist the er si n pr cess f the steel rein f rcem ent f the PCCP p ipeline, wh ile the c mb inati n f b th the cath d ic pr tecti n and the c ating pr tecti n can sign ificantly enhance the ec n m ic benefit f the pr ject c ncerned as w ellTh r ugh the c ntin usm nit ring frm a intelligentized m nit ring system, the evaluati n n the er si n status f the ref rcem ent in c ncrete under the natural c nd iti n is realized f r the PCCP pipeline f Dahu fangW a ter C nveyance Pr ject ( Phase ) based n syn thetizingm any relevant fact rs K ey w ord s: PCCP pipeline; cath dic pr ecti n; sacrificial an de; expermi ental study; Dahu fangW ater C nveyance Pr ject , 1 工程概况 , , () PCCP PCCP 3 1544 km, 327 m /d, : ( 1)