The effective utilization of agricultural and industrial wastes in construction not only mitigates disposal issues but also preserves precious natural resources. The main aim of this research was to develop an eco-friendly high strength lightweight concrete (HSLWC) by using pre-treated (grout coating) crushed coconut shells and ground granulated blast furnace slag …
Blast furnace slag is a by-product from blast furnaces which is used to produce iron. Blast furnace slag has been used extensively as a successful replacement material for Portland cement in concrete materials to improve durability, produce high strength and high performance concrete, and brings environmental and economic benefits together, such as …
By using alkaline concrete activated with ground granulated blast furnace slag (GGBS), cement usage can be eliminated in concrete, which addresses the issue of CO 2 emissions concerned with the cement manufacturing process and promotes the use of industrial by-products as sustainable building materials. The current study focuses on proposing a ...
Recycled blast furnace slag to form-stabilize NaNO 3 with high performance for high-temperature thermal energy storage. Author links open overlay panel Anchao Qu, Jun Zhao, Hao Peng, Feng Jiang. ... Blast furnace slag (BFS) is a kind of industrial waste generated in the production of pig iron.
In this paper, ground granulated blast-furnace slag was used to enhance the properties of recycled concrete powder based geopolymer cured at ambient conditions. The rheology, workability, strength, hydration reaction kinetics, microstructure, and air-void characteristics of the geopolymer were investigated.
This study aimed to develop lightweight green concrete incorporating sludge ceramsite, recycled fine aggregate (RFA) and ground granulated blast-furnace slag (GGBS). In this new type of concrete, the ceramsite made by sludge was used as the coarse aggregate, the RFA obtained from construction and demolition waste were used to replace natural ...
AbstractThis study examines the benefits of substituting waste tire aggregate (WTA) for pumice aggregate in alkali-activated slag mortars at replacement ratios of 0% to 60% (by volume). Additionally, silica fume (SF) was added to mortar mixes at a ...Practical ApplicationsThe feasibility and benefits of utilizing waste tire aggregate (WTA) and pumice as partial …
In this current research, the influences of local ground granulated blast furnace slag (GGBS) content on the properties of lightweight geopolymer concrete were illustrated. The …
Request PDF | Mechanical strength, water resistance and drying shrinkage of lightweight hemihydrate phosphogypsum-cement composite with ground granulated blast furnace slag and recycled waste ...
Steel slag micronized powder, granulated blast furnace slag, and cement were used as cementitious materials to prepare a ed lightweight soil for roadbed filling to reduce the settlement and additional stress of the foundation and to solve the environmental problems caused by the storage of large amounts of steel slag. However, the instability of steel slag …
The carbonation behavior of concrete with different blast furnace slag replacement ratios (0 %, 50 % and 70 %) at different CO 2 concentrations (natural carbonation at 0.04 % and accelerated carbonation at 1 % and 2 %) was investigated in terms of carbonation rate, carbonation products assemblage and pore structure. The results show that the porosity of …
This paper investigates the effects of fly ash (FA), blast furnace slag (BFS) and metakaolin (MK) on the mechanical properties, drying shrinkage, carbonation and chloride permeability of coral sand concretes (CSC), in which the replacement levels of supplementary cementitious materials (SCMs) below 35% by weight are compared.
Firstly, ground granulated blast furnace slag (GGBFS) was partially replaced with FA at 10%, 20%, 30%, and 50% to produce the alkali-activated slag/fly ash blending (AASF). Then, the AASF paste mixture containing 30% FA was modified by adding 5%, 10%, and 15% MgO by its mass.
Recycled Expanded Pelletized Blast Furnace Slag, Type 1 - Litex TM 4449 (Formerly 149) Manufactured by Lafarge Canada Inc. Brand: Litex TM. Recycled Lightweight Aggregate. Categories: ... ASTM C330/C330M-09 - Lightweight Aggregates for …
Ground granulated blast-furnaces slag (GGBS) is a by-product when making iron with blast-furnaces. When a mixture of iron-ore, coke and limestone is melted in blast-furnaces operating at 1500 ℃, molten slag is produced. It is cooled by a high-pressure water jet, which is then dried and ground to get GGBS [22].
Cold bonded lightweight aggregate (LWA) was produced by adding 0%, 25% and 50% granulated blast furnace slag (GGBS) or rice husk ash (RHA) to fly ash (FA) by the pelletization process with cement ...
Lightweight aggregates are a material used in many industries. ... sintered fly ash or ed blast furnace slag. ... shows that the dominant issue in the field of waste and recycled materials is ...
In the first stage of the experimental program artificial slag aggregates (ASA) were produced through the cold bonding agglomeration process of ground granulated blast furnace slag and Portland cement in a tilted pan at an ambient temperature. For this, 10% PC and 90% GGBFS were mixed in powder form in the pelletizer shown in Fig. 1.
Coconut shell (CS) used in the production of coconut shell concrete (CSC) is one of the sustainable concretes developed in the past one decade. This novel idea of using CS waste …
This paper presents the results of experiments conducted to produce green structural lightweight concrete by using oil palm shell (OPS) as coarse aggregate, and ground granulated blast furnace ...
The use of alkali-activated composites and alternative aggregates reduces the carbon dioxide emissions of the construction industry and mitigates the problem of aggregate depletion. However, published investigations into non-cement composites containing ferronickel slag powder (FSP) and blast-furnace slag fine aggregate (BSA) are limited.
Blast furnace slag (BFS) is a major non-metallic industrial by-product from blast furnace during the melting of iron ore which is associated with an energy-intensive and waste-intensive industry. According to the cooling method, BFS can be classified as granulated blast furnace slag (GBFS) and air-cooled blast furnace slag (ACBF) [13].
The durability of geopolymer concrete containing Ground Granulated Blast Furnace Slag (GGBS) and Rice Husk Ash (RHA), along with Lightweight Expanded Clay Aggregate (LECA), was investigated. Six different LWGPC mixtures were made with NaOH molarities of 8, 10, and 12M. For each molarity, two combinations of source materials were …
1. Introduction. Blast furnace slag (BFS), one of the typical bulk industrial solid wastes, is generated during the iron making process due to the chemical reaction between the gangue minerals and various fluxes (Tripathy et al., 2020).Among all the different types of BFS, the water quenched slag (WQS) is the most representative one with its production about …
Industrial wastes like cupola slag, steel furnace slag, ground granulated blast furnace slag, electric arc furnace slag, etc. may be recycled or used in new ways to lessen the impact of land pollution on the environment [4]. Fig. 1 depicts the annual production of various slags worldwide. Slags can be used in a variety of building materials ...
Request PDF | On Mar 21, 2023, R.A. Razak and others published The Properties of Ground Granulated Blast Furnace Slag Lightweight Aggregate (GLA) at Various Molar Ratio and Its Application in ...
The variation of density was achieved by using lightweight recycled coarse aggregate, and high density nickel slag aggregate as fine aggregate. ... There are different types of industrial by-products such as blast furnace slag, copper slag and nickel slag which are widely used as replacements of sand [2]. Additionally, application of industrial ...
These recycled lightweight aggregates can be used as valuable substitutes for natural aggregates to make lightweight concrete for new structures and therefore contribute to the construction industry's sustainability. Graphical abstract. ... have generated approximately 3 million tons of Ground Granulated Blast Furnace Slag (GBFS) every year [4 ...
Recently, lightweight slag aggregate has been used as a coarse aggregate in the production of LWC; this has proven to enhance thermal insulation properties and fire resistance. Lightweight slag aggregate significantly affects the behavior of fresh concrete, where the slag particles are relatively spherical and smooth with minimum surface area.
Engineered geopolymer composite (EGC) is a high-performance material with enhanced mechanical and durability capabilities. Ground granulated blast furnace slag …
Porous hydrated calcium silicate (C-S–H) can be prepared from water-quenched blast furnace slag by mechanical-chemical excitation and used as gelling filler to prepare fiber …
Abstract. Non-destructive evaluation using ultrasonic pulse velocity (V p) testing has extensive applications in the concrete industry.With advances in construction technology, the use of ground granulated blast furnace slag (GGBFS) as a partial replacement to cement in a concrete mix is growing in popularity primarily because it reduces the initial capital cost of raw materials and …
In this study, lightweight aggregates (LWAs) were manufactured through cold-bonding pelletization of ground granulated blast furnace slag (G) and two types of fly ash with different finenesses ...
To tackle this issue, the utilization of industrial by-products such as fly ash (FA), ground granulated blast furnace slag (GGBS), and recycled aggregates (RAs) from building …
