With respect to the mechanical properties, durability and thermal behavior, ground-granulated blast-furnace slag (GGBS) delineates a rational way to develop sustainable cement and concrete. …
ادامه مطلبHydration heat evolutions and non-evaporable water contents of binders and reaction degrees of fly ash and ground granulated blast-furnace slag (GGBS) were tested to investigate the contributions of fly ash and GGBS to the early hydration heat of composite binders at 25°C and 50°C. Results show that fly ash makes a very small …
ادامه مطلبThe alkali‑activated binders synthesized in this study were derived from a blend of alkaline-activated Class F fly ash (FA) and ground granulated blast furnace slag (GGBFS). The FA and GGBFS were provided by a local commercial cement company. Their chemical compositions are listed in Table 1.
ادامه مطلبCoal fly ash and granulated ground blast furnace slag (GGBS) are more widely used as supplementary cementitious materials in cement production. This study investigates the influence of high-volume ordinary Portland cement (OPC) replacement with fly ash and/or GGBS on the flow, compressive strength and environmental impacts of …
ادامه مطلبSemantic Scholar extracted view of "Effect of bio-additives on physico-chemical properties of fly ash-ground granulated blast furnace slag based self cured geopolymer mortars." by A. Karthik et al.
ادامه مطلبSimilar microstructure tests were also performed by Elchalakni et al. [15] for fly ash-slag based geopolymer cured at ambient temperature. The SEM images showed large unreacted fly ash and slag particles with large number of microcracks which indicated reduction in degree of reaction.
ادامه مطلبMagnesium potassium phosphate cements (MKPCs), blended with 50wt.% fly ash (FA) or ground granulated blast furnace slag (GBFS) to reduce heat evolutio…
ادامه مطلبThe purpose of this study is to investigate the joint activation of fly ash and ground granulated blast furnace slag (GGBS) in the stabilization of expansive soils. In …
ادامه مطلبThe utilization of waste industrial materials such as Blast Furnace Slag (BFS) and Fly Ash (F. Ash) will provide an effective alternative strategy for producing eco-friendly and sustainable concrete production. However, testing is a time-consuming process, and the use of soft machine learning (ML) techniques to predict concrete …
ادامه مطلبGeopolymer concrete (GPC) is an innovative and eco-friendly construction material. In the experimental investigation, examine the effect of ground granulated blast furnace slag (GGBFS) in the GPC by replacing the fly ash in the various ratios in the different mix design.
ادامه مطلبFly ash and granulated blast furnace slag. The present work involves the use of Pozzolanic materials like FA and GBFS, in the presence of conventional polymeric reinforcements such as geogrid. Electricity is one of the most vital infrastructural inputs for growth of Indian economy. For the generation of electricity, India has to depend on coal ...
ادامه مطلبConcrete is known as the most globally used construction material, but it releases a huge amount of greenhouse gases due to cement production. Recently, Supplementary Cementitious Materials (SCMs) such as fly ash and Ground Granulated Blast Furnace Slag ...
ادامه مطلبSharma, A.K.; Sivapullaiah, P. V Ground Granulated Blast Furnace Slag Amended Fly Ash as an Expansive Soil Stabilizer. Soils Found. 2016, 56, 205–212. [Google Scholar] Aydın, S.; Baradan, B. Effect of Activator Type and Content on Properties of Alkali-Activated Slag Mortars. Compos. ...
ادامه مطلبThe present paper investigates the mechanical behaviour of Geopolymer GPC synthesized by fly ash and Ground Granulated Blast Furnace Slag (GGBS) at ambient curing conditions. To predict the values, experimental data of Modulus of Elasticity (MOE) values are compared with codes and previous literature.
ادامه مطلبwaste by products like ground granulated blast furnace slag GGBS and fly ash, with a view to decreasing the construction cost. In the present investigation is to evaluate the compaction and unconfined compressive strength of stabilized clayey soil using fine ground granulated blast furnace slag (GGBS) and fly ash.
ادامه مطلبAbstract: Fly ash/ground-granulated blast-furnace slag geopolymer (FGG) contains reaction products with a high volume of Ca, hydrated CaSiO3, and hydrated AlCaSiO3. These compounds enable the filling of large air voids in a structure, thus increasing compactness. Therefore, FGG is a more e ective
ادامه مطلبConcrete is known as the most globally used construction material, but it releases a huge amount of greenhouse gases due to cement production. Recently, Supplementary Cementitious Materials (SCMs) …
ادامه مطلبIn recent decades, alkali activated and blended cements have attracted great interest worldwide due to their advantages of low energy cost, high strength, and good …
ادامه مطلبGround granulated blast furnace slag (GGBFS) is manufactured through the process of rapidly quenching molten slag produced during iron making. This granulated material is ground down to powder form and acts with hydraulic properties when combined with water.
ادامه مطلبOur systematic, professional and efficient approach to fly ash orders, coupled with our high standards of production have contributed immensely towards our credibility and long-term relationships with fly ash customers.
ادامه مطلبSemantic Scholar extracted view of "Investigation of geopolymers containing fly ash and ground-granulated blast-furnace slag blended by amorphous ratios" by Chee Keong Lau et al.
ادامه مطلبmixtures to portland cement, ground granulated blast-furnace slag (GGBFS), and fly ash. GGBFS is limited to cement replacement rate of 25% by weight and fly ash is limited to a cement replacement rate of 20% by weight.
ادامه مطلبThis paper presents a laboratory study on the influence of combination of fly ash (FA) and ground granulated blast-furnace slag (GGBS) on the properties of high-strength concrete.
ادامه مطلبNowadays, geopolymers, which are more environmentally friendly than cement due to the high energy requirements and high carbon dioxide (CO 2) emissions of cement production, emerge as alternative binders.In this study, the mechanical and durability properties of geopolymer concrete (GC) based on ground granulated blast furnace slag (GGBS) …
ادامه مطلبFurthermore, incorporation of mineral admixtures may positively affect the durability of concrete. Kejin and Zhi [3] showed that the maximum heat of cement hydration in binary/ternary cement (fly ash and/or ground granulated blast furnace slag) concrete decreased with supplementary cementitious material replacements.
ادامه مطلبFor example, industry by-products: fly ash (FA) [13], [14], ground granulated blast-furnace slag (slag), lithium slag [15], steel slag [16], and waste marble powder [17], were widely utilized as supplements for PC; this not only reduced the CO 2 emissions, …
ادامه مطلبAbstract Fly ash (FA) and granulated blast furnace slag (GBFS) were used as a precursor for geopolymerization to develop a low-carbon pavement base …
ادامه مطلبSemantic Scholar extracted view of "Predictive Modelling of Compressive Strength of Fly Ash and Ground Granulated Blast Furnace Slag Based Geopolymer Concrete Using Machine Learning Techniques" by Yejia Wang et al.
ادامه مطلبThe Ground Granulated Blast Furnace Slag is as a by-product during the manufacturing of iron in a blast furnace. Molten Blast furnace slag has a temperature …
ادامه مطلبGround granulated blast furnace slag (GBFS) has been used to alter the geopolymerisation behaviour of fly ash. The influence of varying amount of GBFS (5–50%) on the reaction kinetics has been studied using isothermal conduction calorimetry. It was observed that the reaction at 27 °C is dominated by the GBFS activation, whereas the …
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