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高浓度和应力状态下砼硫酸盐侵蚀性的研究成果表明 ,当SO42 -浓度最高达80000mg/l时 ,荷载对砼的硫酸盐侵蚀破坏有明显的加剧作用 ,而且随着应力等级的增加 ,破坏作用加剧。本文着重从改善砼本体材料和表面防护两条途径 ,进行提高砼应力状态下抗高浓度硫酸盐侵蚀破坏能力的研究 ,其中表面防护技术已在工程中得到了示范和初步的实施 ,效果良好。
The results of research on the sulfate attack of concrete under high concentration and stress show that when the concentration of SO42 - is up to 80000mg / l, the load aggravates the sulfate attack and destroys the concrete significantly, and as the stress level increases, the damage Increased role. This paper focuses on improving the concrete bulk material and surface protection of the two ways to improve the stress state of concrete to resist high concentrations of sulfate erosion damage research, in which the surface protection technology has been demonstrated in the project and the initial implementation of good results.