钢筋阻锈剂在混凝土中的应用

Application of corrosion inhibitor in concrete

通过不同掺量的钢筋阻锈剂在砂浆中的阳极极化试验,混凝土拌合物的坍落度、坍落度损失、凝结时间、含气量以及混凝土抗压强度试验,抗渗与抗冻融等耐久性试验,盐水浸烘试验,证明在混凝土中掺入FAC-13型钢筋阻锈剂对混凝土的坍落度与坍落度损失、凝结时间、抗压强度以及渗水高度、质量损失、相对动弹模量等耐久性能无明显影响,而氯离子扩散系数、钢筋的锈蚀率及失重率有显著降低,证明该阻锈剂对钢筋阻锈效果明显,在实际工程中应用取得了很好的效果。

Through a series of experiments in including anodic polarization by mixing different dosage of corrosion inhibitor in sand mortar,the slump,loss of slump,set time,gas content of fresh concrete and compressive strength,durability experiment including impermeability and freeze-thaw resistance and the test of saline water immersion,it proved that mixing some FAC-13 corrosion inhibitor in concrete has no influence on the slump and loss of slump,set time,compressive strength as well as durability including the seepage height,the loss in weight and the relative dynamic elastic modulus,but the chloride diffusion coefficient,the corrosion ratio of reinforcements and the weight loss rate dropped obviously.It proves that the corrosion inhibitor has obvious anti-rusting effect on the steel bar and has applied successfully in real projects.