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concrete with steel slag and millscale aggregates was studied and the expansion of the concrete specimens was also examined. Inaddition to this research several tests were also included such as compressive strength, split tensile strength with steel slag and mill scale aggregates. For this research the percentage of the volume of
In this investigation, M20 grade concrete with the replacement of sand by steel mill scale waste and granite powder waste from 10% to 100% with the increments of 10%.This paper presents a detailed experimental study on compressive strength, bulk density, and water absorption of the M20 grade concrete containing steel mill scale and
Experimental Investigation On Steel Slag And Mill Scale In Concrete 2015-9-7 laboratory scale tests, to deduce important guidelines for analysis and implementation of the proposed slag treatment. BOF slag characterization .
Experimental investigation was completed using M25 mix and tests such as fly ash and slag cement, serve as a binder for the aggregate. Various chemical admixtures are also potential for recycle steel mill scale into concrete. The composition of the steel mill scale was determined by XRF. Several mortar mixes were complete using the
Feb 13, 2015 Experimental Investigation of Silica Fume and Steel Slag in Concrete | IJMER | ISSN: 2249–6645 | www.ijmer.com | Vol. 5 | Iss.1| Jan. 2015 | 38| According to the studies there is no increase in the split tensile strength and for the last set of combinations there is a small reduction in split tensile strength by comparing with the conventional mix, and from these ‘M15’ mix shows high strength ie, 25% silica fume and 50% steel slag.
tigated effects of steel slag powder on the workability and mechanical properties of concrete. Experimental results show that mechanical properties can be improved further due to the synergistic effect and mutual activation when compound mineral admixtures with steel slag powder and blast furnace slag powder mixed in concrete.
Jul 01, 2010 Abstract. This study investigated a cementitious material by utilizing two industrial wastes, phosphogypsum (PG) and steel slag (SS), combined with another industrial byproduct ground granulated blast-furnace slag (GGBFS) and limestone (LS). The 28d compressive strength of a mixture of 45% PG, 10% SS, 35% GGBFS and 10% LS exceeded 40 MPa.
Oct 24, 2015 Another important objective of this research was to evaluate the radiation shielding properties of heavyweight concretes containing iron ore, steel mill scale, two types of barite, or steel slag as aggregates. The experimental results showed that the attenuation coefficient varied from 0.224 to 0.265 1/cm, while the unit weight of heavyweight concrete was increased from 3012 to 3820 kg/m3.
This paper presents perliminary findings of a study that investigates the potential for recycling steel mill scale into concrete. The composition of the steel mill scale was determined by XRF.
Experiments have proven that the combined use of steel slag with GBFS and/or OPC clinker can balance the composition fluctuations in the steel slag and some CaO in the steel slag can be absorbed by GBFS, thereby preventing the occurrence of instability of SSBC concrete.
Apr 24, 2018 Copper slag is a hard, dense abrasive with angular particles is suitable for blast cleaning of steel and stone/concrete surfaces, removal of mill scale, rust, old paint, dirt etc. Blasting the copper slag grit at the surface is reported to be a very effective for metal surface cleaning before paint spraying.
Jan 01, 2021 In this investigation, M20 grade concrete with the replacement of sand by steel mill scale waste and granite powder waste from 10% to 100% with the increments of 10%. This paper presents a detailed experimental study on compressive strength, bulk density, and water absorption of the M20 grade concrete containing steel mill scale and granite powder.
Oct 24, 2015 Another important objective of this research was to evaluate the radiation shielding properties of heavyweight concretes containing iron ore, steel mill scale, two types of barite, or steel slag as aggregates. The experimental results showed that the attenuation coefficient varied from 0.224 to 0.265 1/cm, while the unit weight of heavyweight
All the chemical physical properties of the mate- mill as fine aggregate in cement mortars. The replace- rials are given in the Table 1. ment of 40% steel mill scale with that of fine aggregate increased compressive strength by 40%, drying shrinkage 5.2. Mix Proportions was lower when using steel mill scale.
Mar 29, 2021 S. Al-Otaibi, “Recycling Steel Mill Scale as Fine Aggregate in Cement Mortars,” European Journal of Scientific Research, Vol. 24, No. 3, 2008, pp. 332-338.
with steel mill scale gave the highest increase in compressive strength. Li Yun feng (2009) found that concrete with good performance can be produced using mineral admixtures consisting of steel slag powder and blast furnace slag. In the present paper an experimental investigation on the mechanical properties of concrete has been made with 0%
The experimental investigation involves study of physical, chemical and micro-structural characterization of mill scale. This provides the step one for its feasibility study in concrete industry. Before getting into the experimental results, a brief overview of the current research scenario is presented in the forthcoming section.
The influence of mill scale and steel type on the passivation capability and impressed current-induced accelerated corrosion behavior of reinforcing steels in concrete was studied using
Jan 04, 2018 Carbon dioxide mineral sequestration with steelmaking slag is a promising method for reducing carbon dioxide in a large-scale setting. Existing calcium oxide or calcium hydroxide in steelmaking slag can be easily leached by water, and the formed calcium carbonate can be easily wrapped on the surface of unreacted steelmaking slag particles. Thus, further increase in the …
Jan 01, 2012 The current utilization rate of steel slag is only 22% in china, far behind the developed countries. At present, the amount of slag deposited in storage yard adds up to 30Mt, leading to the occupation of farm land and serious pollution to the environment. Improving the slag utilization is an important way to resolve these problems.
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