effects of slag addition for the crushing strength of

effects of slag addition on the crushing strength of

Enhancing microstructure and durability of concrete from ground ... The compressive strength and durability including carbonation resistance, chloride ... The experimental results show that GGBS and MK have positive impact on pore ... Mineral admixtures were ground granulated blast furnace slag ( relative density ... In addition, polycarboxylates superplasticizer (density 1.08 g/ mL, solid ...

Effects of Ground Granulated Blast Furnace Slag in ...

Strength gain is not only an inherently important property, but it also indicates the quality of the overall cement matrix. Using slag cement as a replacement material for OPC changes the rate of strength gain because the hydration properties of slag cement are different from OPC. Slag cement is a latent hydraulic material, meaning that with use of

(PDF) The Effect of Adding Steel Slag and Lime on The ...

results show that add ing steel slag and lime can improve the properties of compacted sandy soil, and has a great effect on the behavi or of compaction of stabilized soil, the maximum dry unit...

Effect of Silica Fume and Slag on Compressive Strength and ...

Mar 07, 2014 · Adversely effect of incorporation of either 10 or 20 % slag, as individual, in HVFA concrete on both compressive strength and abrasion resistance. The inclusion of 10 % slag gave the lowest compressive strength and abrasion resistance at all ages where the abrasion resistance of F60G10 at age of 180 days was still lower than that of F70 at age ...

Steel Slag - an overview | ScienceDirect Topics

The addition of steel slag to the OPC clinker has to be considered in terms of f-CaO content of steel slag, total f-CaO content of SSBC, and grindability. From the results of grindability, it is known that, from grindability considerations, the optimum addition of steel slag is below 30% of total weight of SSBC (BOS slag and OPC clinker).

"Effects of Physical and Chemical Characteristics of Slags ...

Ground granulated blast furnace slag (GGBFS) which is a commonly used supplementary cementitious material (SCM) needs to be more investigated for improving durability of concrete elements and service life of concrete structures. This research focuses on the effect of the physical and chemical characteristics of GGBFS and portland cement on durability of portland cement-slag blended systems.

Strength & Durability - Slag Cement

Strength & Durability. Concrete made with slag cement provides higher compressive and flexural strengths compared with portland cement concrete. SCIC #14, Compressive and Flexural Strength, examines the factors that effect concrete strength, and explains how slag cement improves both compressive and flexural strength of concrete.

effect of copper slag on concrete

Sep 01, 2017 · Effect of copper slag, iron slag and RCA on the compressive strength of concrete The measured compressive strength values for different mixture proportions are presented in Fig. 3 . The test results indicate that the maximum compressive strength can be observed on mix number 14, which is having the proportions of copper slag 40% ...

Effects of Graphite, SiO 2 , and Fe 2 O 3 on the Crushing ...

Jun 23, 2017 · The softening and melting temperatures of slag were adjusted by changing the slag basicity and FeO content. A proper amount of Fe 2 O 3 or SiO 2 addition increased the crushing strength of DRI due to the softening of slag. Excessive Fe 2 O 3 or SiO 2 resulted in the melting of slag, which decreases crushing strength.

Effect of Binders on the Crushing Strength of Ferro-Coke

Ferro-coke, as a new burden of blast furnace (BF), can not only greatly reduce the energy consumption and CO[2] emission, but also promote the resource utilization by using the low-quality iron ore and low-grade coal. However, the strength of ferro-coke ...

Effect of diboron trioxide on the crushing strength and ...

Nov 09, 2017 · The effect of diboron trioxide (B 2 O 3) on the crushing strength and smelting mechanism of high-chromium vanadium–titanium magnetite pellets was investigated in this work.The main characterization methods were X-ray fluorescence, inductively coupled plasma–atomic emission spectroscopy, mercury injection porosimetry, X-ray diffraction, metallographic microscopy, and

Implementation of industrial waste ferrochrome slag in ...

Dec 01, 2014 · Evaluated effects of fine calcined alumina addition in castables reduce the permanent linear change. Mullite (3Al 2 O 3 –2SiO 2 ), which is another binary component of this slag-based system, is formed by reactions of silica glass melt and alumina present in bauxite.

Effects of the Incorporation of Sawdust Waste Incineration ...

working with metakaolin and slag has stressed that the slag reacted more slowly than the alite and thus strength development of slag was slow and that the strengthening effect of slag to the compressive strength of portland cement will be seen after the concrete was cast for a long time, for example, after 91 days. The same effect is Table 12.

(PDF) Effect of Calcium Oxide on the Crushing Strength ...

May 19, 2017 · The effect of calcium oxide on the crushing strength, reduction, and smelting performance of high-chromium vanadium–titanium magnetite pellets (HCVTMP) was studied in

EXPERIMENTAL STUDY ON EFFECT SILICAFUME ON STEEL

flexural strength) was obtained at Conventional concrete, fine aggregate is replaced with 30% of steel slag, addition of 1% of fibres after replacing cement with 30% of silica fume. 4. The increased in strength after replacing with 30% steel slag was found to be 15.14% of compressive strength,

GROUND GRANULATED BLAST FURNACE SLAG (GGBS or

tensile strength of the concrete by various replacement of Flyash and GGBS. The test results shows that strength increasing with the increase of flyash and GGBS up to optimum value beyond which strength value start decreasing with further addition of flyash and GGBS. Key words: Fly ash, GGBS, Environment [7].problem,

Effect of Fluxing Agents on the Quality and Microstructure ...

Jun 01, 2017 · Addition pyroxenite improved the reducibility of pellets, Fig. 9(d), as it increases the MgO and decreases the FeO content of the slag formed inside the pellets, as shown in Fig. 7, thereby increasing its melting point. This kind of slag does not soften at reduction temperatures and keeps the pores open for reducing gas thereby enhancing reduction.

Properties of Concrete Made from Cupola Furnace Slag and ...

Jun 07, 2021 · Concrete produced at 28 days from the partial replacement of cement and sand with cupola slag has an optimum compressive strength of 20.37 N/mm 2 at 10% and 22.81 N/mm 2 at 20%, resulting in improved strength of 29.4% and 56.82%, respectively when compared with the control. In contrast, granite’s partial replacement with coarse cupola slag ...

Mechanical Properties of Furnace Slag and Coal Gangue ...

16 小时前 · The mechanical properties and strength formation mechanism of cement–fly-ash-stabilized slag–coal gangue mixture were examined using an unconfined compressive strength test, splitting strength test, triaxial test, and scanning electron microscopy to solve the limitations of land occupation and environmental pollution that is caused by fly ash from the Xixia District thermal power plant in ...

The effect of slag addition on strength

The Effect of Slag Addition on Strength Development of Class C Fly Ash Geopolymer Concrete at Normal Temperature Arie Wardhono1,2, a), David W. Law3, b), Sutikno1, c) and Hasan Dani1, d) 1Department of Civil Engineering, Universitas Negeri Surabaya, Indonesia 2Konsorsium Riset Geopolimer Indonesia (KORIGI), Surabaya, Indonesia 3School of Engineering, RMIT University,

The effect of slag addition on strength development of ...

Sep 29, 2017 · This paper presents the effect of slag addition on strength development and workability of fly ash/slag based geopolymer (FASLG) concrete cured at normal temperature. Class C fly ash with high ferrite (Fe) content was used as the primary material. The proportions of fly ash (FA) to slag (SL) are: 1 FA : 0 SL, 0.9 FA : 0.1 SL, 0.7 FA : 0.3 SL ...

Effects of Steel Slag Addition on the Plasticity, Strength ...

Jan 08, 2013 · The soil is A-7-6(5) according to AASHTO classification systems. 5%, 8% and 10% steel slag content (SSC) each by dry weight of soil, was used to stabilize the soil while evaluating the specific gravity, consistency limits, compaction, permeability, uncured and cured strength of the soil.

To Study the Effect of Steel Slag and Dismantle Aggregate ...

revealed that, addition of steel slag up to 40% increases the split tensile strength. From 50% of steel slag addition the tensile strength decreases. Fig. 3: Average split tensile strength of specimens with and without steel slag cured in water for 7 days and 28 days 3) The Effect of Both Steel Slag and Dismantle Aggregate on the Strength of ...

Slag as coarse aggregate and its effect on mechanical ...

with target mean strength 39.9 MPa and it is cast and tested. Cubes, cylinders and prisms are cast to determine the compressive strength, spilt tensile strength and flexural strength respectively with natural aggregate as well as with the increasing percentage of the slag to verify the effect of addition of slag.

"Effects of Physical and Chemical Characteristics of Slags ...

Ground granulated blast furnace slag (GGBFS) which is a commonly used supplementary cementitious material (SCM) needs to be more investigated for improving durability of concrete elements and service life of concrete structures. This research focuses on the effect of the physical and chemical characteristics of GGBFS and portland cement on durability of portland cement-slag blended systems.

Effects of Graphite, SiO 2 , and Fe 2 O 3 on the Crushing ...

Jun 23, 2017 · The softening and melting temperatures of slag were adjusted by changing the slag basicity and FeO content. A proper amount of Fe 2 O 3 or SiO 2 addition increased the crushing strength of DRI due to the softening of slag. Excessive Fe 2 O 3 or SiO 2 resulted in the melting of slag, which decreases crushing strength.

Effect of Binders on the Crushing Strength of Ferro-Coke

Ferro-coke, as a new burden of blast furnace (BF), can not only greatly reduce the energy consumption and CO[2] emission, but also promote the resource utilization by using the low-quality iron ore and low-grade coal. However, the strength of ferro-coke ...

To Study the Effect of Addition of Nano-Ni Particles as ...

Fig.1: shows the effect of nano-Ni addition on the slag corrosion resistance of specimens. It revealed that with the increasing the amount of nano-nickel content in MgO-C refractory brick, the depth of slag penetration decreased. Also, the amount of slag penetration decreasing is more for

Effect of Nano-TiO2 Additions on the Densification and ...

Nov 30, 2016 · Cold Crushing Strength. Figure 6 shows the cold crushing strength behavior of the refractory specimens with additions of TiO 2 nanoparticles. A gradual increase is observed in CCS with increasing nano-TiO 2 content up to 6 wt%. As shown in Fig. 6, the maximum CCS was established at 6 wt% of nano-TiO 2 addition (51.3 MPa). This mechanical ...

effect of copper slag on concrete

Sep 01, 2017 · Effect of copper slag, iron slag and RCA on the compressive strength of concrete The measured compressive strength values for different mixture proportions are presented in Fig. 3 . The test results indicate that the maximum compressive strength can be observed on mix number 14, which is having the proportions of copper slag 40% ...

The effects of aluminum and aluminum borate addition on ...

Jul 21, 2018 · Aluminum and aluminum borate powders were used as antioxidants to increase oxidation resistance of magnesia-graphite refractories. Bulk density and cold crushing strength of bodies without additives and also containing 4 and 6 wt.% aluminum and aluminum borate were investigated. XRD results of the samples containing aluminum borate and aluminum after firing in coke bed and also

IMPACT OF CURING METHODS ON THE STRENGTH OF

5.1.1 Effect of copper slag addition on fresh mixes..... 94 5.1.2 Effect of copper slag on hardened properties of concrete..... 96 5.2 Effect of the different curing schemes on

Engineering and durability properties of slag–dolomite ...

Dec 10, 2020 · Ground-granulated blast-furnace slag and dolomite are by-products from the steel manufacturing and rock crushing industries, respectively. The addition of dolomite to a slag-based geopolymer matrix can improve its engineering properties and reduce disposal problems. This paper discusses the effect of alkali solution concentration, curing temperature and different proportions of

Copyright © 2020.Company name All rights reserved.SiteMap