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experimental investigation on steel slag and mill scale in concrete

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  • Comprehensive Analysis of Steel Slag as Aggregate for …

    2021-6-28 · The results of another investigation into BOF slag used as aggregate in stone mastic asphalt showed that it performs as well as the conventional asphalt pavement . Due to the instability and expansibility of steel slag, they performed an activation test with water until an expansion of about 1% was achieved.

  • Investigationoftheslidingbehaviorbetweensteelandmortar ...

    2021-8-1 · The rigid mass consisted of a 68.6kN concrete block sitting on top of a 9.2kN horizontal steel frame. The concrete mass was connected to the steel frame using post-tensioning rods at four points. Combining the weight of the concrete block, steel frame, load cells, and steel friction blocks provided a total specimen weight of 82.0kN.

  • DOI: 10.1590/S1516-14392011005000042 Compression …

    2016-10-1 · of small scale steel fiber reinforced high strength concrete cylinders (100 × 200 mm). The experimental variables were concrete strength of 58.03 and 76.80 MPa, fiber volume fractions 0.5, 1.0, 1.5, and 2.0%, and fiber l/d ratio of 20 and 40 of flat crimped steel fibers. The ) …

  • 2020-3-25 · (2011-2017), (2013-2016) -, (2007-2011),

  • ETN-M-5-14 Technical Note

    2016-6-29 · A thin layer of tightly-adhering mill scale is commonly found on the surface of all hot-rolled steel products, un-less the steel is processed in a protective atmosphere, sandblasted, or descaled (e.g. for galvanizing). Mill scale is the oxide produced on steel surfaces through the hot-rolling process. Mill scale consists primarily of magnetite ...

  • Weiguo SHEN | Professor (Full) | PhD | Wuhan University of ...

    A pervious concrete with carbonated ground steel slag powder as binder and crushed steel slag as aggregate was prepared, which provided the key material …

  • Experimental Study on Bond-Slip Behavior between …

    2019-10-6 · materials Article Experimental Study on Bond-Slip Behavior between Corroded I-Shaped Steel and Concrete in Subsea Tunnel Mingnian Wang 1,2, Yiteng Zhang 1,2,*, Li Yu 1,2,*, Yucang Dong 1,2, Yuan Tian 1,2 and Guojun Zhou 3 1 Key Laboratory of Transportation Tunnel Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China

  • Properties of Heavyweight Concrete for Structural and ...

    2015-10-24 · Concrete mixes that were produced for this work contained iron ore, steel mill scale, two types of barite, and steel slag, which are the heavyweight aggregates available in Turkey. An additional heavyweight concrete mixture was also produced using magnetite as a natural mineral heavyweight aggregate.

  • Experimental investigation into the properties of self ...

    2018-9-11 · In addition to adding rubber aggregates, polypropylene (PP) fibers and steel fibers are added into the concrete mix as well to create fiber reinforced self‐compacting rubberised concrete (FRSCRC). This experimental investigation is using waste tyre rubber as a replacement for the aggregate in the FRSCRC.

  • Process for using mill scale in cement clinker production ...

    2002-11-19 · We claim: 1. A process for using mill scale, having hydrocarbons associated therewith, in the production of cement clinker using a rotary kiln system, comprising the steps of: blending and preheating feedstock material; transferring said blended and preheated feedstock material to an area in said rotary kiln system where combustion is taking place; adding an …

  • construction technologg laboratories

    2019-10-2 · The steel plate was cleaned in accordance with the Steel Structures Council Specifications SSPC-SP2-63, Hand Tool CleaningIII * Oil and grease were removed using acetone. solvent. Rust scale was removed by hand hammering. Loose mill scale was removed by hand wire brushing. Concrete-to-Steel Specimens After cleaning the steel plate, wood ...

  • International Journal of Innovative Science and Modern ...

    2020-3-16 · resisting cement (SRC) provided from Alexandria Cement Company and granulated blast furnace slag (GBFS) supplied from Iron and Steel Company, Helwan, Egypt. In addition, Caron‟s lake water, Fayoum, Egypt, was used as aggressive medium. The GBFS was finely ground in a laboratory steel ball mill having a capacity of five kilogram. The Blaine

  • Characteristics of steel slags and their use in cement and ...

    2018-9-1 · In China, BOF slag accounts for about 70% of the annual steel slag production (Cheng and Yang, 2010) the BOF process (), minor steel scrap and a large amount of molten iron from ironmaking as well as fluxes (lime/dolomite) are added into the furnace, and a 99% pure oxygen flow is applied at supersonic speed through a lance to initiate intense oxidation reactions at a …

  • Effect of Mixing Constituent toward Engineering Properties ...

    POFA cement-based aerated concrete was prepared by adding 20% of POFA by weight of cementitious materials. It was discovered that POFA cement-based aerated concrete continues to exhibit higher strength compared to ordinary portland cement aerated concrete throughout the experimental program.

  • Methodological Aspects of Using Blast Furnace Slag for ...

    2005-5-31 · Blast furnace (BF) slag is a by-product of steel plants. The objective of this study was to evaluate experimental methods to determine the phosphorus sorption capacity of BF slag. The handling of BF slag, before usage and clogging were also considered, as well as estimating the phosphorus retention capacity.

  • Structural Concrete: Vol 21, No 1

    2020-2-29 · A simple method for N-M interaction diagrams of circular reinforced concrete cross sections. Raffaele Di Laora, Carmine Galasso, George Mylonakis, Edoardo Cosenza., Pages: 48-55. First Published: 30 August 2019. Abstract. Full text. PDF. References.

  • Selective Leaching of Steelmaking Slag for Indirect CO2 ...

    2010-1-29 · Indirect CO2 mineral sequestration, which could make CO2 fixate into precipitated calcium carbonate (PCC) of value-added products, is an important technology that is used to reduce greenhouse gas emissions economically. It can be conducted in two steps, one of which has been investigated in the previous paper. In this work, extraction of calcium ions from …

  • Togay OZBAKKALOGLU | Professor | PhD | Texas State ...

    *** Positions for Postdoctoral fellows and Master''s and PhD students in the following areas: Concrete structures, composite structures, concrete materials …

  • Use of Steel Slag in Subgrade Applications

    2020-10-13 · Steel slag is a by-product of steelmaking and refining processes. In 2006, 10-15 million metric ton of steel slag was generated in the U.S. Out of the total steel slag produced in the U.S. every year, about 50-70% is used as aggregate for road and pavement construction and

  • Steel Slag

    Carlos Thomas, ... Francisco Agrela, in New Trends in Eco-efficient and Recycled Concrete, 2019. 7.1.2 Types and classification of steel slags. Steel slags (SSs) are usually classified according to the type of furnace in which they are produced. The properties of the slag depend on the type of process used to produce the crude steel, the cooling conditions of the slag and the …

  • Carbonation | Orbix

    2021-12-17 · Slag is a by-product arising during the manufacture of steel and primarily consists of anorganic minerals. As soon as slag is broken, it quickly becomes obvious that it contains a considerable portion of recyclable metal. …

  • The steel–concrete interface | SpringerLink

    2017-2-27 · Mill-scale in contact with concrete is relatively stable. An analysis of the SCI in samples taken from up to 260 years old reinforced concrete structures (or structures based on similar hydraulic binders), partially corroded due to carbonation, revealed the presence of remnants of the initial mill scale at the steel surface . This layer was ...

  • Experimental Investigation of Alkali Activated Slag and ...

    2018-7-30 · Dr.S.P.Rajesh,et al ., (2013), investigated the potential of alkali activated slag as a sole binder in producing concrete.The performance of alkali-activated slag concrete with sodium silicate, sodium hydroxide, sodium carbonate asactivator are used at 4% Na2O(by weight of slag) and 4% of hydrated lime by total weight of solid binder content ...

  • Experimental Investigation on Partial Replacement of ...

    2020-5-6 · slag on the mechanical strengths of concrete. Experimental investigations are carried out by replacing the sand with copper slag in proportions of 10%, 20%, 30%, 40%, 50%, 60% and keeping all other ingredients constant. It was seen that the optimum content of copper slag is 40% beyond which the strength starts decreasing.

  • STABILIZATION OF EXPANSIVE SOIL USING MILL SCALE

    2019-2-4 · scale is iron oxides-mainly ferric. As such, mill scale is used in making flux for welding electrode coating, in Thermit welding and as a source of Ferro-alloy. Adams, 1979, and Daiga, et al., 2002[1] reported the recycling process of steel mill scale in sintering furnaces or hearths. Pradip et al [2] used mill scale for the production of

  • Rust, Mill Scale, and Other Surface Contaminants on ...

    Introduction In reinforced concrete construction, bond between the concrete and reinforcing steel plays a critical role. Bond, either through adhesion/cohesion or mechanical interlock, provides for the transfer of stresses from concrete to steel, producing composite action with materials that have markedly different mechanical properties. There can be contaminants on the reinforcing …

  • SALAH H. ALJBOUR EVALUATION OF THE USE OF …

    2017-4-18 · of steel slag in cement and concrete applications. One may think about using steel slag in the product-ion of cement. In this approach, the steel slag is mixed with limestone and clay as a raw material feed to cement kiln. In this case, the slag must be clinkered [4]. Another approach is the incorporation of steel

  • External Research Report

    2021-10-26 · Cement-based materials are important for the built environment, especially for infrastructure and development. While the worlds population has almost tripled in the last 75 years, P production has increased 35 times to almost 4000 Mt/year [1]. Concrete has low embodied energy, but the massive scale of production means the sector is a

  • THE USE OF BLAST FURNACE SLAG

    a worldwide scale, attention is paid to research into mixtures of fi nely ground blast furnace slag and cement [3, 4]. The substitution of granulated blast furnace slag for cement clinker usually leads to a decrease in primary strength and an increase in time of setting, which limits the use of a large portion of slag in slag Portland ce-ment.

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