
Blast furnace slag activity

Ground Granulated Blast Furnace Slag ScienceDirect
Ground granulated blastfurnace slag is the granular material formed when molten iron blastfurnace slag is rapidly chilled (quenched) by immersion in water It is a granular product with 2003年9月1日 The reactivity of ground granulated blast furnace slag (GGBFS) is considered to be an important parameter to assess the effectiveness of GGBFS in concrete composites In Investigation of hydraulic activity of ground granulated blast Blast furnace slag (BFS) is a secondary material generated during the process of producing iron in blast furnaces, prompting scholars to concentrate on its efficient management and broad Unlocking the potential: A comprehensive review on blast furnace 2019年10月3日 Ground granulated blast furnace slag (GGBFS) is a byproduct produced during the iron making process Because of its potential hydraulic activity, it is widely used as building Experimental study on the pH for activating ground granulated

Comprehensive utilisation of blast furnace slag Taylor Francis
2023年7月21日 This technology reduces the formation of phosphates offshore and nitrogen oxides and protects the living environment near the coast Finegrained blast furnace slag is 2017年12月27日 This paper experimentally comparing the mechanical properties between ground granulated blast furnace slag (GGBS) and unground blast furnace slag (GBS) as a Influence of granulated blast furnace slag on mechanical 2011年1月1日 Ground granulated blast furnace slag (GGBS) is a byproduct from the blastfurnaces used to make iron Blastfurnaces are fed with controlled mixture of ironore, coke Ground Granulated Blast Furnace Slag SpringerLinkGround granulated blastfurnace slag (GGBFS), sometimes simply referred to as “slag”, is a glassy granular material formed when molten blastfurnace slag is rapidly chilled, as by Ground Granulated BlastFurnace Slag: Its Chemistry and Use with

Microstructure and Durability of Ground Granulated Blast Furnace
Test results showed that the used slag cement had a high activity index and prolonged initial setting time SCM demonstrated positive synergistic effects on late compressive strength, GROUND GRANULATED BLAST FURNACE SLAG FOR USE IN CEMENT, MORTAR AND CONCRETE ACCORDING TO IS 16714 : 2018 2 Slag Activity Index Clause 6 Table 2 Vibration machine with timer cube mould fitting assembly 12000 ± 400 vibration per min Compressive Strength machinePRODUCT MANUAL FOR GROUND GRANULATED BLAST FURNACE SLAG 2019年12月30日 Blast furnace slag (BFS) is a kind of waste slag discharged from a blast furnace in pig iron smelting, and it is a kind of highquality concrete admixture [16]SiO 2, CaO, MgO and Al 2 O 3 are the main components in BFS, and the total contents of CaO, SiO 2 and Al 2 O 3 account for about 90% From the point of view of chemical composition, BFS belongs to Investigation on sulfate activation of electrolytic manganese residue Table 31 World blast furnace slag (BFS) and granulated blast furnace slag (GBFS) productions in the year 1999–2000 Region Total BFS production (Milt) GBFS production (Milt) Granulation rate (%) Asia 996 748 75 Europe 564 338 60 America 252 120 48 Africa 23 23 100 Oceania 17 10 52 Physical, Chemical, and Mineralogical Properties 159Chapter 3 Granulated Blast Furnace Slag Springer

Experimental study on the pH for activating ground granulated blast
2019年10月3日 Ground granulated blast furnace slag (GGBFS) is a byproduct produced during the iron making process Because of its potential hydraulic activity, it is widely used as building materials [1,2,3]When GGBFS meets water, an impermeable aluminosilicate shell will quickly form on the surface of GGBFS particles to prevent further reaction2018年1月1日 Blast furnace slag (BFS) which is defined “as the nonmetallic product consisting essentially of silicates and alumina silicates of calcium and other bases, that is developed in a molten condition simultaneously with iron in a blast furnace” by ASTM C 12516 (2016) has been widely used in construction industry for more than 80 years When the mixture of ironore, Blastfurnace slag ScienceDirect2024年7月31日 Chlorinecontaining Tiextraction blast furnace slag (TEBFS) is a solid waste produced during titanium removal from hightitanium blast furnace slag Large amounts of TEBFS affect the local environment and severely limit further process development A lightweight calcium silicate board was successfully prepared via hydrothermal synthesis When the mass ratio of Preparation of a lightweight calcium silicate board using chlorine the ground granulated blastfurnace slag fractions with mean size in range of 3–10 m present high hydraulic activity and significantly higher strength contribution ratio than other fractions Effect of Size Fraction of Ground Granulated Blast Furnace Slag

Blast Furnace Slag: Production, Types, Composition, Applications
2022年11月28日 This article is about blast furnace slag, including how it is made, the different types, and a lot more information Skip to content Civil Engineering Forum According to the 7day and 28day strength activity indices, ASTM C989 offers three categories of slag, as illustrated in the following table: Classification of blast 2021年2月8日 1 Introduction Reducing the consumption of natural resources and enhancing the performance of cement and concrete are the two most important issues in the development of cement and concrete in the world today [1], [2]A powerful approach to address these problems is the widespread use of industrial wastes with potential hydraulic activity, such as blast furnace Study on the particle morphology, powder ScienceDirectBlast furnace slag and combustion waste landfills are generally regarded as an environmental nuisance The mobility and activity of cadmium and mercury decrease at pH = 45–6 [39,40,41,42] Therefore, it can be concluded that their content would not preclude the possibility of using this material in road constructionGeotechnical and Environmental Assessment of Blast Furnace Slag Slag cement or GGBFS is granulated blastfurnace slag that has been finely ground and that is hydraulic cement When slag cement is mixed with water, however, the initial hydration is much slower than portland cement mixed with water; therefore, portland cement or salts of alkali metals, principally sodium and potassium or lime, are used to increase the reaction rate of slag What is slag cement or ground granulated blastfurnace slag

Comparing the pozzolanic activity properties of obsidian to
2018年3月10日 It is seen that blast furnace slag has the highest rate of compressive strength gain Schöler et al [3] note that blast furnace slag mortars gain more compressive strength compared to fly ash mortars is due to high speed CSH formation in blast furnace slag because of its Al 2 O 3 content2019年9月15日 To improve the properties of ground granulated blast furnace slag (GGBS) and utilize ground granulated blast furnace slag efficiently, this study investigates the effect of fineness on the The Effect of Fineness on the Hydration Activity Index 2024年5月21日 Industrial solid waste is characterized by complex mineral phases and various components Lowcarbon cementitious materials can be prepared through precise regulation based on the material composition and properties of various industrial solid wastes In this study, electrolytic manganese residue (EMR), carbide slag (CS), and granulated blastfurnace slag Study on the Alkalindash;Sulfur CoActivation and Mechanical2012年12月1日 Granulated blast furnace slag (GBFS) is a byproduct of the iron production process The objective of this study is to determine the effects of ground granulated blast furnace slag (GGBFS), used as (PDF) The use of blast furnace slag ResearchGate

Transition of Blast Furnace Slag from SilicatesBased to Aluminates
2016年5月6日 The Sierraleone ore has high alumina content (about 70 mass pct) and low silica content (about 17 mass pct) Figure 1 clearly shows that the slag composition and volume have undergone drastic modifications compared with the other raw materials If the high Al 2 O 3 ore is extensively used in a blast furnace (BF), great deviation will form from the usual slag system to 2021年2月8日 Study on the particle morphology, powder characteristics and hydration activity of blast furnace slag prepared by different grinding methods Author links open overlay panel Tusheng He, Zaibo Li, Sanyin Zhao, Xuguang Zhao, Xiaoling Qu Show more Add to Study on the particle morphology, powder ScienceDirect2020年3月30日 The porosity of OPC paste with blast furnace slag (20%) is higher than OPC paste till 28 days and is lower at later ages which is due to the formation of a denser microstructure [10] The total porosity and mean pore diameter of fly ash and GGBFS replaced cement mortars is higher than that of the plain cement mortar even after 90 days of curing [11] Microstructural study of Portland cement partially replaced with fly 2021年11月23日 The influence of superfine blast furnace slag content of the composite mixture on the mortar and concrete Zhu et al found that the fineness significantly affected the reaction activity of BFS Thus, superfine blast furnace slag (SBFS) can be a better alternative than blast furnace slag (BFS) as mineral admixture Influence of Steel Slag‐Superfine Blast Furnace Slag Composite

Particle characteristics and hydration activity of ground
2016年2月1日 Particle characteristics and hydration activity of ground granulated blast furnace slag powder containing industrial crude glycerolbased grinding aids Author links open overlay panel Jihui Zhao a b, Dongmin Wang b, Granulated blast furnace slag (abbreviated GBFS) is an industrial solid waste generated in the steelmaking process 2023年11月29日 Spontaneous combustion gangue (SCG) is often used as aggregate in traditional cemented paste backfill (CPB) for mine backfill, but the activation of SCG is insufficient To stimulate the activity of SCG for the preparation of spontaneous combustion ganguegranulated blast furnace slag backfill (SGB), a new CPB was prepared by activating SCG via a Preparation and strength formation mechanism of alkali 2023年6月1日 Use of blast furnace slag in cementitious materials for pavements Systematic literature review and ecoefficiency Author links open overlay panel Lucas Henrique Pereira Silva a b, air content, activity index, and compressive Use of blast furnace slag in cementitious materials for pavements 2017年12月27日 This paper experimentally comparing the mechanical properties between ground granulated blast furnace slag (GGBS) and unground blast furnace slag Activity indexing of GBS and GGBS was performed, which followed the procedure mentioned in ASTM C989 (Citation 2014)Influence of granulated blast furnace slag on mechanical

Experimental study on the pH for activating ground granulated blast
In order to explore the initial pH values of activator solution needed for early activation of slag at different temperatures, the effects of curing temperatures (5, 20 and 35°C) and pH (1210, 1255, 1302 and 1358) on the activation and hydration characteristics of ground granulated blastfurnace slag (GGBFS) were investigated Sodium hydroxide (NaOH) was used as the alkaline 2022年6月21日 Alkaliactivated materials (AAMs) are regarded as an alternative cementitious material for Portland cement with regards to sustainable development in construction The purpose of this work is to investigate the properties of activated blastfurnace slag (BFS)–steel slag (SS) with sodium carbonate (NC), taking into account BFS fineness and Na2O equivalent Hydration and Compressive Strength of Activated BlastFurnace Slag 2024年5月12日 Blast furnace slag (BFS) is a byproduct generated in the process of producing blast furnace pig iron, primarily consisting of calcium and diverse base silicates and aluminosilicates The hydraulic activity and slag activity index of Fresh and mechanical properties of ground granulated blast furnace slag DOI: 103390/ma Corpus ID: ; The Effect of Fineness on the Hydration Activity Index of Ground Granulated Blast Furnace Slag @article{Dai2019TheEO, title={The Effect of Fineness on the Hydration Activity Index of Ground Granulated Blast Furnace Slag}, author={Jinpeng Dai and Qicai Wang and Chao Xie and Yanjin Xue and Yun Duan and The Effect of Fineness on the Hydration Activity Index of Ground

The Influence of FA Content on the Mechanical and Hydration
2024年9月20日 This study primarily investigates the effect of fly ash (FA) content on the mechanical properties and hydration performance of alkaliactivated ground granulated blast furnace slag cement (AAGC) and compares the related properties with ordinary Portland cement (OPC) Additionally, we examined the hydration products; performed thermal analysis, MIP, 2022年11月25日 The microstructure of the titanium slag also proved this point (Hou et al, 2020; Le Cornec et al, 2021) But the GGBS can promote the growth of cement strength Therefore, the high activity of the granulated blast furnace slag powder Utilization and life cycle assessment of low activity solid waste as 2023年4月19日 The extraction of titaniumbearing components in the form of CaTiO3 is an efficient utilization of blast furnace slag The photocatalytic performance of this obtained CaTiO3 (MMCaTiO3) as a catalyst for methylene blue (MB) degradation was evaluated in this study The analyses indicated that the MMCaTiO3 had a completed structure with a special The Photocatalytic Activity of CaTiO3 Derived from the 2024年3月22日 Evolution and process analysis of the hearth activity in hydrogenrich blast furnace Yanjia Gao 1,2, Yong Deng 1,2 *, Ran Liu 1,2, Kuo Yao 1,2 and Laixin Wang 3 The smoothness of slag iron passing through coke is reduced, the retention amount of liquid slag iron in coke layer increasesEvolution and process analysis of the hearth activity in hydrogen

Investigation of Hydraulic Activity of Ground Granulated Blast Furnace
2003年9月1日 We kept the same amount of ground granulated blast furnace slag (GGBS) as a substitute for Portland cement, respectively three percentages of 20%, 40%, 60% aircooled blast furnace slag (ACBFS 2022年12月17日 The recycling–utilization rate of steel slag in China is less than 30% Steel slag is rich in CaO and can produce the Ca(OH) 2 after hydration, which are expected to activate the pozzolanic activity of blast furnace slag This work recycled steel slag as an alkali activator for the activation of blast furnace slag and prepared a steel slagblast furnace slagbased (SSBFS Recycling of steel slag as an alkali activator for blast furnace slag 2024年6月6日 The alkaliactivated blast furnace slag is attracting significant attention in replacing Portland cement due to several characteristics similar to cement hydration However, there are a few practical problems with commercial alkali activators, such as the fast setting time, relatively high costs, and significant CO2 emissions during preparation Thus, discovering Compressive Strength and Microstructure of Carbide Slag and 2021年8月2日 With the consumption of highquality iron ore resources, the grade of iron ore raw used in the iron making process has gradually decreased The high aluminum raw materials has led to an increase in the Al2O3 content in the blast furnace slag, which has affected the normal operation of the blast furnace The activity of the components involved in the desulfurization Desulfurization Ability of Blast Furnace Slag Containing High Al

Ground Granulated BlastFurnace Slag: Its Chemistry and Use
ACI 233, “Slag Cement in Concrete and Mortar” Classifications ccording to ASTM C989, GGBFS is classified into three grades according to its performance in the “slag activity test” The three grades are: Grade 80, Grade 100 and Grade 120 Slag activity is determined by the following formula: Slag activity index, % (SP / P) 100 Where:When some blast furnace slag cool from the molten state to around 490°C an inversion of ßdicalcium silicate to the gamma form in the slag may result in disruption of the slag structure This leads to a condition in the slag known as falling or dusting unsoundness AS275814 notes Blast Furnace Slag Aggregates FLY ASH REFERENCE Properties DOI: 101016/S00088846(03)000620 Corpus ID: ; INVESTIGATION OF HYDRAULIC ACTIVITY OF GROUND GRANULATED BLAST FURNACE SLAG IN CONCRETE @article{Pal2003INVESTIGATIONOH, title={INVESTIGATION OF HYDRAULIC ACTIVITY OF GROUND GRANULATED BLAST FURNACE SLAG IN CONCRETE}, author={Shilpa Pal and INVESTIGATION OF HYDRAULIC ACTIVITY OF GROUND GRANULATED BLAST FURNACE 2010年12月1日 Photocatalytic degradation of methylene blue with blast furnace slag containing Titanium [J] The Chinese Journal of Process Engineering, 2004, 4(3): 265 268 (in Chinese) [3] LEI X F, XUE X X Preparation and characterization of perovskite type titaniabearing blast furnace slag photocatalyst [J]Preparation, characterization and photocatalytic activity of

(PDF) Effect of Size Fraction of Ground Granulated Blast Furnace Slag
2011年6月5日 To characterise the hydraulic activity of ground granulated blastfurnace slag (GGBFS) in a low alkaline solution, the hydration degree, heat evolution and hydration products of GGBFS–water (de