COMPARISON OF STRENGTH AND DURABILITY OF CONCRETES MADE WITH SULFATE-RESISTANT PORTLAND CEMENT AND PORTLAND CEMENT WITH POZZOLANA ADDITIVE

IF 0.6 Q4 ENGINEERING, CIVIL

Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS Pub Date : 2019-12-23 DOI:10.13167/2019.19.8

S. Kroviakov, Ukraine Architecture, M. Zavoloka, L. Dudnik, V. Kryzhanovskyi

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引用次数: 12

Abstract

In this study, a comparison of the strength and durability of concrete with sulfate-resistant cement and cement with pozzolana additive was performed. In assessing the concrete durability, three indicators were compared: sulfate resistance, water permeability, and frost resistance. All concrete mixtures were used without admixtures. The absence of chemical admixtures in the concrete mixtures was because of the need to compare properly the properties of concretes with different cements without the influence of modifiers, which may result in different efficiencies for different types of binders. The concrete compositions of grades C20/25 and C30/35 were presented. The use of Portland cement with pozzolana additive in concrete mixtures provided the necessary level of corrosion resistance and frost resistance of concrete, as well as higher water permeability and lower cement content in comparison with using sulfate-resistant Portland cement.

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抗硫酸盐硅酸盐水泥与添加火山灰拉纳硅酸盐水泥混凝土强度和耐久性的比较

在本研究中，对抗硫酸盐水泥和火山灰添加剂水泥的混凝土强度和耐久性进行了比较。在评估混凝土耐久性时，比较了三个指标：抗硫酸盐性、透水性和抗冻性。使用的所有混凝土混合物都没有掺合料。混凝土混合物中没有化学外加剂是因为需要在不受改性剂影响的情况下，适当比较不同水泥的混凝土性能，这可能会导致不同类型的粘合剂的效率不同。介绍了C20/25和C30/35级混凝土的组成。与使用抗硫酸盐硅酸盐水泥相比，在混凝土混合物中使用含有火山灰添加剂的硅酸盐水泥提供了必要水平的混凝土耐腐蚀性和抗冻性，以及更高的透水性和更低的水泥含量。

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Electronic Journal of the Faculty of Civil Engineering Osijek-e-GFOS ENGINEERING, CIVIL-

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审稿时长

24 weeks