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首页> 外文期刊>Masonry international >Study of the Mechanical Behavior of Blocks for Structural Masonry Produced with Steel Slag in Substitution of Natural Aggregates
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Study of the Mechanical Behavior of Blocks for Structural Masonry Produced with Steel Slag in Substitution of Natural Aggregates

机译:钢渣替代天然骨料的砌体砌块力学性能研究

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摘要

Currently the generation of solid waste due to various industrial processes is a concern. This scenario is experienced by both the coal and steel industry and results in the generation of tailings. The steel industry generates blast furnace slag, historically characterized as waste, but now widely used as a raw material for the cement industry. In order to transform blast furnace slag into a useful raw material for civil construction, a range of techniques exist for different applications. For example, structural concrete blocks use blast furnace slag as aggregate. This waste from both the transformation of pig iron into steel, by either the LD (Linz-Donawitz) process or by the electric arc, poses major environmental problems for the steel industry. The main purpose of this work is to evaluate the use of steel slag for the production of structural blocks. Because these are a relatively new material, slag blocks have not been studied deeply. No studies in the literature that characterize this material regarding the mechanical behaviour when subjected to compression exist, and consequently this study examines this aspect. The use of this material enables waste from steel production to be reused. In order to validate the proposal of the present work, that is, to evaluate the use of slag for the production of structural blocks, theoretical and experimental analyses were carried out. A comparison was also made between the resistance measured in the experimental tests and the results obtained using numerical models obtained through the finite element method. Further, the characterization of these blocks for structural use has been studied.
机译:当前,由于各种工业过程而产生的固体废物令人关注。煤炭和钢铁行业都经历了这种情况,并导致了尾矿的产生。钢铁行业会产生高炉矿渣,从历史上讲就是废料,但现在已广泛用作水泥行业的原料。为了将高炉矿渣转化成用于民用建筑的有用原料,存在多种用于不同应用的技术。例如,结构混凝土块使用高炉矿渣作为骨料。无论是通过LD(Linz-Donawitz)工艺还是通过电弧将生铁转化为钢,都会给钢铁行业带来重大的环境问题。这项工作的主要目的是评估钢渣在生产结构块中的使用。由于这些是相对较新的材料,因此对渣块的研究尚未深入。文献中没有关于这种材料在受压时的机械性能表征的研究,因此,本研究对此进行了研究。使用这种材料可使钢铁生产中的废料得到再利用。为了验证当前工作的建议,即评估炉渣在结构砌块生产中的使用,进行了理论和实验分析。还比较了在实验测试中测得的电阻与使用通过有限元方法获得的数值模型获得的结果之间的比较。此外,已经研究了这些用于结构用途的块的表征。

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