滨海地区高压线路桩基础的腐蚀机理和防治措施探讨

Corrosion Mechanism and Preventive Measures of Tower Pile Foundation of HV Transmission Line in Coastal Region

通过对混凝土结构受海水腐蚀机理的分析,结合滨海地区高压线路铁塔桩基础的特点,综合对比了目前采用的多种混凝土与钢筋防海水腐蚀措施,提出了采用钢套筒作为桩基础防海水腐蚀的措施,采用钢套筒护壁能够有效地保证混凝土保护层厚度并减少混凝土裂隙,从而达到预防海水腐蚀破坏的目的。

Based on the analysis of concrete structure＇s corrosion naechanism in sea water and features of tower pile foundation of HV transmission line in the coastal region, a variety of preventive measures incorporating concrete and reinforced bar are compared. A measure that uses steel sleeve as a pile foundation against sea water corrosion is proposed for steel sleeve can effectively ensure the thickness of concrete cover and reduce concrete cracks, and thereby achieve the resistance to sea water corrosion.