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首页> 美国卫生研究院文献>Materials >An Experimental Study of Possible Post-War Ferronickel Slag Waste Disposal in Szklary (Lower Silesian Poland) as Partial Aggregate Substitute in Concrete: Characterization of Physical Mechanical and Thermal Properties
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An Experimental Study of Possible Post-War Ferronickel Slag Waste Disposal in Szklary (Lower Silesian Poland) as Partial Aggregate Substitute in Concrete: Characterization of Physical Mechanical and Thermal Properties

机译：SZKLARY（下SILESIANPOLAND）作为混凝土的局部骨料替代品可能的战后Ferronickel渣废物处理的实验研究：物理机械和热性能的表征

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摘要

Aggregates derived from waste, due to the growing awareness of global warming, are more and more often used in the concrete production process. This way, their disposal not only reduces the pollution of the Earth but also lowers the consumption of natural aggregates, which are limited. One of the new “eco” aggregates may be a ferronickel slag waste (FNSW), which was generated in post-war metallurgical processes and stored in Szklary (Lower Silesian, Poland). In order to determine the possibility of using ferronickel slag waste aggregate (FNSWA) in the concrete production process, new concrete mixtures were designed and tested. Physical properties (cone slump, air content, pH, and density), mechanical properties (compressive strength, flexural strength, and tensile strength), and thermal properties (thermal conductivity) were assessed for all new laboratory recipes. Moreover, the modulus of elasticity and Poisson’s ratio were determined. This study includes five different contents of FNSWA in the amount of 5%, 10%, 15%, 20%, and 25% of the mass of natural aggregate as its partial substitute. The final results were compared to the base sample (BS) containing 100% natural aggregate, which was granite.
机译：由于全球变暖的越来越意识，源于废物的聚集体越来越多地用于混凝土生产过程中。这样，他们的处置不仅会降低地球的污染，而且还降低了自然骨料的消耗，这是有限的。其中一个新的“ECO”聚集体可以是Ferronickel渣浪费（FNSW），其在战后冶金过程中产生并储存在Szklary（下Silesian，波兰）。为了确定在混凝土生产过程中使用Ferronickel Slag废料综合体（FNSWA）的可能性，设计并测试了新的混凝土混合物。对所有新实验品配方评估了物理性质（锥形坍落度，空气含量，pH和密度），机械性能（压缩强度，抗压强度和拉伸强度）和热性能（导热率）。此外，确定弹性和泊松比的模量。该研究包括五种不同含量的FNSWA含量为5％，10％，15％，20％和25％的天然骨料作为其部分替代品的量。将最终结果与含有100％天然骨料的基础样品（BS）进行比较，这是花岗岩。

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