3 edition of Material properties of retested specimens composed of tailings, cement, and blast-furnace slag found in the catalog.
Material properties of retested specimens composed of tailings, cement, and blast-furnace slag
|Statement||by D.R. Tesarik, J.B. Seymour, and W.L. Lane|
|Series||Report of investigations -- 9636, Report of investigations (United States. Dept. of Energy) -- 9636|
|Contributions||Seymour, J. B, Lane, W. L, Spokane Research Center (United States. Dept. of Energy)|
|The Physical Object|
|Pagination||[iv], 16 p.|
|Number of Pages||16|
The materials used in this test work were gold mine tailings, wwater, and cement as a binding material. Gold mine tailings wwere provided by a local gold mining company, AngloGold Ashanti. The Larfarge kN cement was provided by the Planning, Infrastructure and Maintenance Department at the University of the Witwatersrand, Johannesburg. The Cited by: 7. blast furnace slag, ceramic powder etc. and finding alternative binders to Portland cement. The properties of various types of Portland cement differ because of relative proportions of the components and the fineness to which the cement clinkers is ground. The ordinary Portland cement or . factors of cement-tailings ratio (CTR), solid content and curing time. Gray relational analysis (GRA) method was then used to study the sensitivity of UCS to these three factors. Results indicate that ZGIM unclassiﬁed tailings is a kind of alkaline super-ﬁne tailings with high activity and quality. UCS.
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The material properties of retested specimens consisting of tailings, cement, and blast furnace slag were examined. The composition of the lead slag, iron slag, and cycloned tailings were determined by inductively coupled plasma analysis.
Cycloned tailings were composed mainly of. Get this from a library. Material properties of retested specimens composed of tailings, cement, and blast-furnace slag. [D R Tesarik; J B Seymour; W L Lane; Spokane Research Center (United States. Department of Energy)]. Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine -granulated blast furnace slag is highly cementitious and high in CSH (calcium silicate hydrates) which is a strength enhancing.
Choi et al. used tungsten tailings as a substitute material for cement , and acceptable properties of the mortar could be obtained using 10 wt% tailings. The recycling of valuable metals. Potentials of steel slag and copper mine tailings as construction materials E.
Oluwasola1, M. Hainin2, M. Aziz*2, H. Yaacob1 and M. Warid1 The present rate of utilisation of mine. This paper presents a cement study on the influence of combination of fly ash (FA) and ground granulated blast-furnace slag (GGBS) on the properties of high-strength concrete.
A contrast study was carried out for the concrete (GGFAC) incorporating FA and GGBS, control Portland cement concrete and high-volume FA high-strength concrete (HFAC).Cited by: of cement is replaced with GGBS, which is an industrial waste.
If concrete mix is replaced with ground granulated blast furnace slag as a partial replacement for Portland cement, it would provide environmental and economical benefits. GGBS has some pozzolanic properties it leads to. Mechanical Properties Of Concrete Using Steel Slag Aggregate Page | 8 NEED FOR OPTIMIZING AGGREGATE PACKING From the production of concrete, cement is the most expensive material and can account for upto 60% of the total materials Size: KB.
The objective of this study is to examine the solidification of toxic elements in tailings by the use of cement and blast furnace slag. Tailings samples were taken at an Au–Ag mine in Korea. To examine the best mixing ratio of tailings and the mixture of ordinary Portland cement (OPC) and blast furnace slag (SG) of,andthe ratio of tailings and OPC+SG was by: 6.
Use of Blast Furnace Slag Aggregate in Concrete K.G. Hiraskar and Chetan Patil Abstract-The Iron industries produce a huge quantity of blast furnace slag as by–product, which is a non–biodegradable waste material from that only a small percentage of it is used by File Size: 1MB.
slag is a long one. Production of Portland blast-furnace slag cement began inand the Japanese and blast-furnace slag book standard for Portland blast-furnace slag cement (JES 29) was formulated in some of the study has been done in past which summa-rized as: 1. Sun. Steel Slag - Asphalt Concrete INTRODUCTION Steel slag can be processed into a coarse or fine aggregate material for use in dense- and open-graded hot mix asphalt concrete pavements, (1,2,3) and in cold mix or surface treatment applications.
(4) Proper processing of steel slag and special quality-control procedures are extremely important in selecting steel slag for use in asphalt paving mixes. In this study, compressive fatigue tests were performed in submerged conditions using concrete composed of blast furnace slag or silica fume.
The 2-million-cycle fatigue strength of this submerged concrete improved up to 44 percent of its static strength in water compared to 31 percent for ordinary concrete in water. The blended binder GU‐GBFS (20% of Portland cement type GU and 80% of ground blast furnace slag – GBFS or slag) was used.
The binder content was 5% by dry mass of tailings and aggregates. Table 4 shows the chemical composition of the binding by: 1. Cement Mixtures Containing Copper Tailings as an Additive: Durability Properties Autoclave expansion The impact of copper tailings on CaO, or MgO, or both, induced delayed expansion of pastes was investigated in accordance with the ASTM C specification.
For each mixture, a paste of normal consistency was mixed. The properties and microscopic structure of tailings solidification bodies, the hardening mechanism of the fluorgypsum-based binder material (FBBM) Cited by: 2. Use of the cementatious properties of ground granulated blast furnace (GGBF) slag was reported as early as GGBF slag has been used in concrete in Japan and Western Europe since the s.
Concrete containing slag is estimated to comprise approximately 20 percent of the hydraulic cement produced in Europe. Blast furnace slag is used File Size: KB.
Ground Granule Blast Furnace Slag (GGBS) is a industrial waste material, Which shows cementitious properties. This paper briefly describes the history of GGBS in. The higher content of calcium oxide in slag results in its being more reactive than PFA and a more effective cement extender when early strength development is required.
SMART, R. and VAN HEERDEN, D. The use of granulated blast furnace slag based binders. Blast furnace slag is used as supplementary cementing material for the production of blended cement and slag cement.
Its latently hydraulic properties can be activated by several methods. Most applications employ the use of high pH values in the pore solution (> ) to accelerate the corrosion of the glass network of the by: Portland cement (OPC), with a strength class of in accordance with Chinese National Standard GB – , and ground blast-furnace slag (GBFS) with a Grade S95 in accordance with Chinese National Standard GB/T–  and silica fume (SF).
The chemical composites of the binders are given in Table I. Application of Blast Furnace Slag Sand in Cement Concrete–A Case Study Superplasticizer: Superplasticizer used complied with IS and it was of sulphonated naphthalene formaldehyde base for concretes from grade M25 to M Influence of copper mine tailings on properties of soda activated ground granulated blast furnace slag mortars and pastes was investigated.
Calcination of copper mine tailings was found to be a method of increasing their pozzolanic activity. Material calcined at °C possessed highest pozzolanic activity. So obtained material can be used as a partial substitution of ground granulated slag in Author: Łukasz Kotwica, Marcin Chorembała, Ewa Kapeluszna, Piotr Stępień, Jan Deja, Mirja Illikainen, Łukasz.
According to XRD, DTA and SEM detections, the hydration products of blast furnace slag based cementing material SL, SLG. were studied in different age periods. The XRD analysis of cementing material SL hydration products showed the composition of hydration products were mainly amorphous substances, few crystalline substances.
Characteristic peak of ettringite, such as AFt, hadn’t been Author: Shu Gang Hu, Xian Jun Lu, Hai Li Niu. The curve indicated that about 50% of the tailing particles were finer than mm. Some physical and chemical properties of cement and copper tailings are also shown in Table 1. Mixture proportions.
Pastes were prepared using g of cement incorporating copper tailings as cement additive at 0%, 5% and 10% addition level by mass. Cement Two series of specimens were prepared, one with ordinary Portland cement (CEM I R) and another ground granulated blast furnace slag cement (CEM III/B N LH) both commercially available in The Netherlands.
The chemical composition of both cement types is shown in Table 1; the slag cement contains about 70% Size: KB. A BRIEF REVIEW ON BLAST-FURNACE SLAG AND COPPER SLAG AS FINE AGGREGATE IN MORTAR AND CONCRETE BASED ON PORTLAND CEMENT Alaa M.
Rashad Building Materials Research and Quality Control Institute, Housing & Building National Research Center, HBRC, Cairo, Egypt Received: Septem Abstract.
/ Mechanical properties of sulfuric acid resisting cement composites containing blast furnace slag applied for precast concrete products. In: Zairyo/Journal of the Society of Materials Science, Japan. ; Vol. 59, No. Author: Satoru Matsuoka, Makoto Kawakami, Toshiki Ayano.
Blast-furnace slag is the glassy granular material formed when molten blast-furnace slag is rapidly chilled, as by immersion in water (Virgalitte et al., ). Blast furnace slag (mm to 75 micron) was collected from jindal Steel Plant located at bhilai, Chhattisgarh for replacement to natural sand.
The physical properties of blast. Keywords: drying shrinkage; review; slag cement. Date: 10/1/ Abstract: This report details the results of a critical review of the literature on the effect of ground, granulated, blast-furnace slag (slag cement) and slag-blended cements on the drying shrinkage of by: Blast furnace slag is a byproduct that is formed during the production of hot metal in blast furnace.
If the molten slag is cooled and solidified by rapid water quenching, ground granulated blast furnace slag is formed. When crushed or milled to very fine cement-sized particles, ground granulated blast furnace slag (GGBFS) has cementitious.
Mortars for laying and coating produced with iron ore tailings from tailing dams Wanna Carvalho Fontesa, Júlia Castro Mendesa,⇑, Sidney Nicodemos Da Silvab, Ricardo André Fiorotti Peixotoa a Laboratory of Materials for Civil Construction, Federal University of Ouro Preto, Ouro Preto CEPBrazil bMaterials Engineering Department, Federal Centre of Technological Education of Minas Cited by: ments and material properties.
addi- Once slag is in the mix, it makes a good recycled component. rap of any nature, be it limestone, dolomite, crushed gravel or slag, comes from the crushing and screening of exca-vated or cold milled asphalt pave- blast furnace slag, coal boiler slag, nonferrous slags and.
The purpose of this study is to develop blast-furnace slag cement Type A which is to be widely used for concrete structures. Properties of concrete using blast-furnace slag cement Type A, chemical composition of which was modified in order to improve shrinkage cracking resistance, were experimentally studied.
having slag-cement combination has lowered early age strength particularly at low temperatures or with high slag percentages . Many researchers have studied the effect of slag on concrete properties. Al-Jabri et al () investigated the effect of using copper slag as a fine aggregate on the properties of cement mortars and concrete.
Various mortar and concrete mixtures were prepared with different proportions of copper slag ranging from 0% (for the control mixture) to File Size: KB. This paper reports the results of an investigation to determine the mechanical properties, abrasion resistance, and chloride-ion permeability of concrete incorporating ground-granulated blast-furnace slag from a source in northern Ontario.
Nine m 3 air-entrained concrete mixtures involving 18 batches were made. The water-to-cementitious Cited by: Cement manufacturing Highway base and subbase USE OF BLAST FURNACE SLAG AS A SUSTAINABLE MATERIAL IN CONCRETE PAVEMENTS Making effective use of ACBFS rather than disposing of it as waste, leads to economic, environmental, and social benefits.
Therefore, the suitable use of ACBFS has positive impacts on sustainability. Economic Benefits. Effect of Replacement of Slag on the Mechanical Properties of Flyash Based Geopolymer Concrete ban #1, narajamohan #2, a #3, Bhaskar #3 #1 Assistant Professor #2 Professor and Associate Dean #3 Student School of.
materials, Fly Ash (FA) and Ground Granulated Blast Furnace Slag (GGBS) are the most potential source. The objective of this project is to study the effect of class F fly ash (FA) and Ground Granulated Blast Furnace Slag (GGBS) on the mechanical properties of Brick Bats at different replacement levels.
Mechanical properties and material greenness of ECC containing various proportions of IOTs are investigated. The newly developed versions of ECC in this paper, with a cement content of – kg / m 3, exhibit a tensile ductility of –%, tensile strength of – MPa, and compressive strength of 46–57 MPa at 28 days.(Type GU-SF8) and ground granulated blast furnace slag (GGBFS).
HPC was made with two sources of blended cements (A and C) containing 8% SF used together with 25 and 50% by mass replacement levels of GGBFS. The blended cement and slag were mixed at a water/binder ratio of Table 1 shows the chemical and physicalAuthor: Abdulaziz Alaskar, R.
Douglas Hooton.Literature review of a granulated blast furnace slag as a replacement of sand Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Literature review of a granulated blast furnace slag as a replacement of sand, quarry, aggregate, and different kinds of minerals/12().