The use of up to 22.5 percent quarry dust as fine aggregate in EPS- concrete [37,38] resulted in a 30 percent increase in compressive strength [39,40]. In addition, quarry dust and copper slag are used in current research to replace river sand. Concrete containing 40% copper slag have a higher compressive strength than …
Geopolymer concrete is produced from the polycondensation reaction of aluminosilicate materials (fly ash, Ground Granulated Blast furnace Slag (GGBS)) with alkaline activator solutions. Geopolymer concrete has excellent mechanical properties and its production requires low energy and results in low levels of CO 2 emission. Due to the …
Geopolymer concrete (GPC) is the result of an inorganic polymerization reaction that takes place in presence of an alkaline medium in the materials such as fly ash and slag, which are rich in silicates and aluminates. In this study, an artificial neural network (ANN), multiple linear regression, and the multivariate nonlinear regression (MNLR ...
iv) Mix4- (Combin ation of quarry rock dust +. recycled coarse aggregate) (b) Rest Period: 3 Days. (c) Curi ng temperatu re: Ambient curin g at room. temperature (27 C) (d) Age of concrete at the ...
This study aimed at investigating the durability characteristics of the ambient-cured geopolymer concrete (GPC) developed using recycled coarse aggregate (RCA) and ultrafine slag (UFS).
Mechanical Strength Properties of GeoPolymer Concrete incorporating Quarry Rock Dust and Recycled Coarse Aggregate November 2019 DOI: 10.35940/ijrte.D9217.118419
The purpose of this research is to study the effects of quarry rock dust (QRD) and steel fibers (SF) inclusion on the fresh, mechanical, and microstructural properties of fly ash (FA) and ground granulated blast furnace slag (SG)-based geopolymer concrete (GPC) exposed to elevated temperatures. Such types of ternary …
Geopolymer is an inorganic, cement-like material that contains a 3D network of silico-aluminate structures, which can be synthesized using a variety of source materials, including natural minerals as well as industrial waste ... [26], as a geopolymer gel. Quarry dust, fly ash and alkaline activators are acquired from local suppliers while ...
Onyelowe et al. [108] investigated the compaction characteristics of three different types of lateritic soils, treated with quarry dust based geopolymer cement. They concluded that the dry density of soil substantially increased while the corresponding optimal moisture content decreased with the amount of geopolymer cement under …
The outcomes demonstrate that the setting time of glue, abatements with an expansion in fly-fiery remains fineness. The stream quality, and drying-shrinkage attributes of mortars …
higher temperature and have depicted more strength than the control OPC concrete specimens. Keywords-Ambient temperature curing, elevated temperature curing, geopolymer concrete, quarry rock dust. 1. Introduction Nowadays, construction activities have been increasing to meet infrastructure demand. It can be observed that ordinary
Due to the advantage of decrease in carbon footprint with the use of cement-less geopolymer concrete, researchers had focused towards the study of the behaviour of geopolymer concrete on micro-and macro …
To address the environmental constraints due to cement production and sand scarcity, strength properties of high-calcium fly ash (CFA)-based geopolymer concrete with quarry dust as fine aggregate is explored in this paper. River sand was replaced with quarry dust from 0 to by mass.
Title: Investigating Strength Properties of Geopolymer Concrete with Quarry Dust Author(s): A. Muthadhi and V. Dhivya Publication: Materials Journal Volume: 114 Issue: 3 Appears on pages(s): 355-363 Keywords: Class C fly ash; compressive strength; geopolymer concrete; quarry dust DOI: 10.14359/51689674 Date: 5/1/2017 …
The use of geopolymer binders over OPC has two major environmental benefits: potential decreased emissions of greenhouse gasses and the use of manufacturing by-products [10, 16].To raise environmental awareness in the production of building materials at all levels of society, scientists and authorities must intensively …
Geopolymer concrete, also known as an earth-friendly concrete, has been under continuous study due to its environmental benefits and a sustainable alternative to conventional concrete construction. The supplies of many source materials, such as fly ash (FA) or slag (SG), to produce geopolymer concrete (GPC) may be limited; however, …
geopolymer concrete. Keywords: Geopolymer concrete, Flyash, GGBS, Quarry dust, 10mm aggregate, M.Sand, alkaline solution. I. INTRODUCTION In 1950 chelokovski invented the concept of Geopolymer cement and in 1978 it was later published as a geopolymer by a French educator Davidovits. Geopolymer Concrete is
Download Citation | Geopolymer Concrete by using Fly Ash, GGBS, Quarry Dust and 10mm Aggregate | Geopolymer concrete is a type of concrete which is produced by reacting with a caustic activator to ...
The results indicated that geopolymer concrete achieved comparably equal strength to that of the reference concrete mixture at a quarry dust level. External exposure and ambient curing can be practiced to attain comparable strength properties of geopolymer concrete with quarry dust as fine aggregate.
The purpose of this research is to study the effects of quarry rock dust (QRD) and steel fibers (SF) inclusion on the fresh, mechanical, and microstructural properties of fly ash (FA) and ground ...
The geopolymer concrete samples produced in the study were left to curing at room temperature to be closer to the actual production conditions. A compressive strength test was performed on geopolymer concrete samples after 28 and 90 days in accordance with TS EN 12390–3 [21] standard. By splitting tensile strength tests, …
This investigation focuses on the substitution of devri stone quarry dust for natural river sand in the production of geopolymer brick. Here 10% of quarry dust and 90% natural sand was used to produce materials with excellent compressive strength and hardness and a geopolymer mix was blended with 30% NaOH and 70% Na2Sio3, so …
An exemplar transferal to geocrete has been perceived in building and construction industries worldwide thanks to its crucial role in decreasing the volume of …
Globally, the assembly of cement contributes a minimum of 5 to 7% of CO2. We can reduce the pollution effect on environment, by increasing the usage of commercial products in our housing industry. This work carried on studies of temperature effect on strength of geopolymer concrete using quarry dust as fine aggregate.
Geopolymer concrete shows a greener substitute for ordinary Portland cement concrete in some applications. This paper reviews the structural properties of Geopolymer concrete and its...
The development of geopolymer concrete offers promising prospects for sustainable construction practices due to its reduced environmental impact compared to …
This article presents the feasibility of the usage of Quarry Rock Dust as a substitute for Natural Sand in geopolymer mortar. The by-product materials considered are acombination of GGBFS and Fly ash. The experimental program involves casting of geopolymer mortar cubes by using GGBFS, Flyash and Quarry rock dust and testing them at 1 day, 3 ...
These large amounts of concrete produce large amounts of CO2, which result in a negative impact towards the environment. According to the article "Investigating Strength Properties of Geopolymer Concrete with Quarry Dust" CO2 gas levels are expected to increase by 40 % by the end of the year 2020 (Muthadhi and Dhivya, 2017).
In this paper, the paste phase and solid phase properties of geopolymer concrete containing quarry dust and sand as fine aggregate, suitable for rigid pavement application, curable at ambient temperature are the points of discussion. The targeted compressive strength of 40MPa was achieved soon after seven days of air curing and maximum …
The aim of study is investigation of impact of devri stone quarry dust in geopolymer brick, also focus on characteristics strength of geo-polymer material. In this …
The quarry dust based geopolymer cement was utilized at the rate of 10 to 150% by weight of dry soil in an increment of 10%. The test soils treatment protocol shows that the additive consistently improved the plasticity index and maximum dry density of the treated soils obtained at optimum moisture condition. The results have shown that the ...
The quarry dust is use in the concrete and the properties are studied experimentally and presented in this paper. Concrete is prepared with the process of replacing sand which isnatural/of river by dust produced from quarry of rock with the percent proportions which varied from 0%, 25%, 50% and75%. ... geopolymer …
cement concrete, in fly ash-based geopolymer concrete, the aggregates occupy the largest volume, i.e. about 75-80% by mass. The silicon and the aluminium in the fly ash are activated by a combination of sodium hydroxide and sodium silicate solutions. FLY ASH-BASED GEOPOLYMER CONCRETE Geopolymer concrete is manufactured using …
