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Steel slag and its applications in cement and concrete technology:
2021年5月10日· Abstract In this review, steel slag usage in the cement and concrete industry and its environmental effects were examined Also, its physical and chemical2016年12月31日· PDF | A ground blastfurnace granulated slag used in the production of construction materials and items differs in its chemical composition, dispersion,| Find,(PDF) The Properties of Slag Cement and its Influence on the
(PDF) The use of steel slag in concrete ResearchGate
2017年10月1日· This research aims to compare high quality concrete made from slag cement and conventional concrete mixtures ConcretePerformance of Slag Cement with in Plain Portland Cement Concrete 96% 85% 7% 4% 4% 4% CO2 embodied energy other plant operation aggregate transportation (batchPerformance of Slag Cement with Portland‐limestone Cement in
Hydration of slag cement Theory, Modelling and Application
2007年1月25日· Overview Access to Document Thesis W Chen Final published version, 125 MB Cite this APA Author BIBTEX Harvard Standard RIS Vancouver Hydration2021年3月1日· Abstract This paper presents characterization of ambient cured Alkali Activated Concrete (AAC) mixes based on workability and compressive strength usingCharacterization of alkaliactivated hybrid slag/cement concrete
How to assess the hydration of slag cement concretes?
2013年3月1日· Results show clearly the slowdown of the hydration for slag cement concretes A fundamental parameter describing the hydration process and the evolution2017年6月1日· 1 The use of steel slag obtained from local sources is beneficial for concrete Therefore, it can be consider ed as a useful waste material and is(PDF) Concrete with steel Slag ResearchGate
The performance of steelmaking slag concretes in the hardened
2014年8月1日· Study a concrete that blends two slag aggregates as an adequate raw material • Making more deepen the knowledge of mix proportioning of slag concrete •2021年3月1日· Abstract This paper presents characterization of ambient cured Alkali Activated Concrete (AAC) mixes based on workability and compressive strength using Taguchi method The aluminosilicate source was a mix of slag (GBFS) and cement (OPC), while the alkaline activator was made with a mix of sodium hydroxide (SH) and sodiumCharacterization of alkaliactivated hybrid slag/cement concrete
(PDF) Embodied carbon of concrete in buildings,
2020年6月5日· Abstract and Figures Cement is responsible for 7% of global greenhouse gas emissions, and is predicted to grow with increasing development The majority is used in concrete, globally the mostRecently, reaction model for blended cement containing various amounts of slag is established based on stoichiometric calculations, which are valid for alkaliactivated slag as well (Chen and Brouwers (2006a, 2006b)) The model correlates the compositions of the unhydrated slagblended cement, ie the mineral compositions ofTopics in Cement and Concrete Research Eindhoven University
A Review of the Influence of Copper Slag on the Properties of Cement
2022年12月2日· Global copper slag (CS) emissions reached 572 million tons in 2021 Despite the increasing reuse of CS, the treatment of CS is still dominated by landfill so far, which not only occupies land resources but also causes damage to the environment The application of CS to cementbased materials (CBMs) is one of the main approaches to2011年12月1日· The main source of alkalis in concrete is Portland cement; although other constituents (eg, supplementary cementing materials, PhD Thesis, University of Aston, Birmingham, UK (1987), p 280 Google Scholar Effect of blastfurnaceslag cement on alkaliaggregate reaction in concrete Pit Quarry, 45 (5) (1950), pp 9596The effect of supplementary cementing materials on alkali
An Overview of EcoFriendly Alternatives as the Replacement of Cement
2021年11月1日· An Overview of EcoFriendly Alternatives as the Replacement of Cement in Concrete Habiba Afrin 1, Nazmul Huda 1 and Rouzbeh Abbasi 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 1200, The 3rd Global Congress on Construction, Material and StructuralDownload PDF Topics in cement and concrete research H J H Brouwers Abstract The present paper addresses several topics in regard to the sustainable design and use of concrete First, major features concerning the sustainable aspects of the material concrete are summarised Then the major constituent, from an environmental point of view,(PDF) Topics in cement and concrete research Academiaedu
(PDF) Thesis for the Degree of Doctor of Philosophy Recycling of
2021年6月1日· Recycled aggregates from construction waste used in concrete is advantageous for ecological preservation of natural aggregates, reduction of waste and landfill This study focuses on the2005年11月1日· Here, the grading and packing of all solids in the concrete mix serves as a basis for the development of new concrete mixes Mixes, consisting of slag blended cement, gravel (4–16 mm), threeSelfCompacting Concrete: Theoretical and experimental study
Acid Attack on ConcreteA Review ijirt
compared to normal concrete Portland cement[11] concrete usually does not have good resistance to acids Some weak acids, however, can be tolerated, particularly if the exposure is occasional There are essentially three ways to improve concrete’s resistance to acids, (1) choosing the right concrete composition to make it asGeopolymer Concrete Thesis 13 solids per kg of the solution for other concentrations were measured as 10M: 314 grams, 12M: 361 grams, 14M: 404 grams, and 16M: 444 grams (Vijaya Ragan et al, 20062010)(PDF) Geopolymer Concrete Thesis | YOYO Hacker108
Effect of Cement Content on Concrete Performance
Concrete is one of the most heavily used construction materials around the world today, however this is not without a price (Mehta and Monteiro, 2006) One of the main elements in concrete is portland cement Cement is not only more expensive than most other components in a traditional concrete mixture, but it also has major environmental impact2008年7月1日· View PDF View article View in Scopus Google Jonh Vanderley M Blast furnace slag cements activated with waterglass PhD thesis, Universidade of São Paulo; 1995 [only in Portuguese Alkalisilica reactions (ASR) and alkalicarbonate reaction (ACR) in activated blast furnace slag cement (ABFSC) concrete Cement Concrete Res, 26Alkaliactivated binders: A review: ScienceDirect
(PDF) Plastic Shrinkage Cracking in Concrete ResearchGate
2019年11月18日· Plastic shrinkage cracking in concrete is mainly a physical process, in which chemical reactions between cement and water do not play a decisive role It is commonly believed that rapid and2014年7月11日· “Effect of different activators type and dosages and relation to autogenous shrinkage of activated blast furnace slag cement” Proc, 11th Int Congress on the Chemistry of Cement, G Grieve and G Owens, eds, The Cement and Concrete Institute of South Africa, Midrand, South Africa, 1878–1888Shrinkage Characteristics of AlkaliActivated Slag Cements
The Effect of Ground, Granulated Blast Furnace Slag (Slag Cement
concretes containing slag cement was on average only 29% higher than concretes without slag From examination of the data it was determined that the only parameter of the mix design thatNehdi M, Duquette J, Damatty A El (2003) Performance of rice husk ash produced using a new technology as a mineral admixture in concrete Cement and Concrete Research 33: 1203–1210 Real C, Alcala MD, Criado JM (1996) Preparation of silica from rice husks Journal of American Ceramic Society 79 (8): 2012–2016Rice Husk Ash | SpringerLink
(PDF) Autogenous Deformation and Internal Curing of Concrete
2003年4月14日· In this thesis, autogenous deformation of cement pastes, Normal Weight Concrete (NWC), and Lightweight Aggregate Concrete (LWAC) were measured Both Portland and Blast Furnace Slag (BFS) cement2022年9月30日· In this paper we report the maximum potential for cement substitution with secondary materials to reduce CO2 emissions globally (13 Gt CO2eq in 2018) and on a countrybycountry basisCement substitution with secondary materials can reduce annual
Setting Time, Workability and Strength Properties of Alkali
2021年2月11日· Tailing B, Brandstetr J (1989) Present state and future of alkaliactivated slag concretes 3rd Inter Con Fly Ash, Silica Fume, Slag and Natural Pozzolans in Concrete, Trondheim, 2 SP 114–74:1519–1546 Temuujin J, van Riessen A, Williams R (2009) Influence of calcium compounds on the mechanical properties of fly ash