Geopolymer concrete is gaining recognition as an environmentally friendly alternative to traditional cement-based materials, offering potential solutions for reducing the carbon emissions of the construction industry. This study aims to develop GGBFS–FNS geopolymers utilising ferronickel slag (FNS) and ground-granulated blast-furnace slag …
The current study primarily evaluates the carbonation and permeation resistance of coal bottom ash (CBA) and copper slag (CS) based geopolymer concrete (GPC). The strength parameters along with non-destructive tests were also performed for reference. CS and CBA were used as a 10%, 30% and 50% replacement of natural fine …
The following conclusions can be taken from the outcomes reported in this study. Replacement of river sand in geopolymer concrete and cement concrete is possible using M-sand, copper slag, and quarry dust. The workability and strength of GPC- and CC-based concrete with M-sand and copper slag as fine aggregates were found …
The effect of replacing fine aggregate by copper slag on the compressive strength and split tensile strength are attempted in this work. Leaching studies demonstrate that granulated copper slag does not pave way for leaching of harmful elements like copper and iron present in slag. The percentage replacement of sand by granulated copper …
Recently, Singh et al. reported on the feasibility study of using copper slag as a sole alumino-silicate material for geopolymerization and also in combination with metakaolin and fly ash (Singh, 2019). Ambily et al. (2015) achieved the ultra-high-performance cement concrete of strength 150 MPa by replacing the standard sand …
The compressive strength attained at 28 days ambient cur-ing for GPC is nearly 14% and 12 % higher than the normal concrete for M25 (26.38 MPa) and M30 (39.33 MPa) grade concrete [50]. Some ...
An optimized mix was proposed, replacing 7% of cement with silica fume and 20% with copper slag, resulting in a practical, cost- effective, and durable concrete mix. Thesarajan et al. (2020) investigated the effects of partially replacing cement and fine aggregate with silica fume and copper slag in concrete. The study
copper slag added as a partial replacement of the fine aggregate in the mix.1.1 MotivationFly ash based geopolymer concrete cement is replaced by fly ash and partially fine aggreg. te replaced by copper slag gives desirable compressive strength and split tensile strength. Copper slag is less expansive when compared to fine aggregate.
which could potentially replace cement in concrete. An alternative to cement-based con-crete, geopolymer concrete (GPC), uses additional cementitious elements such as ground granulated blast furnace slag (GGBS), fly ash, other recycled or industrial waste materials and alkaline activators (NaOH/KOH and Na 2 SiO 3) [4–6]. …
A high-performance geopolymer concrete an experimental study using fly ash, GGBS and copper slag ... an alternate to sand, copper slag can be when there is a . ... GEOPOL YMER CONCRETE REPLACING M ...
A mix of copper slag and ferrous slag can yield higher compressive strength of 46.18MPa (100 per cent replacement of sand) while corresponding strength for normal concrete was just 30.23MPa.
2.1 Materials. A good brick earth, which is available as a natural resource, usually consist of 50–60% of silica, 20–30% of alumina, 5% of lime and 5–6% of oxide of iron [].However, for non-fired green bricks which can be made by using industrial wastes, materials to be used includes iron ore tailings (IOT), slag sand, fly ash and ground …
In this study, we have substituted copper slag as an aggregate [C] in place of river sand [R] in a fly ash geopolymer mortar and investigated its effect on the thermal resistance of the mortar.
The 40% copper slag concrete was the best mix proportion for increasing compressive strength. ... develop Engineered Geopolymer Composites (EGC) replacing commonly used fly ash and silica sand ...
Blast furnace slag, steel slag, copper slag, foundry slag and ferronickel slag are the most common types of by-product slags that can be used as fine aggregate in concrete. Rashad et al. (2016) showed that the use of blast furnace slag as a replacement of natural sand improved the compressive strength of mortar.
industrial waste such as copper slag can be used as an alternative. Figure2illustrates the components found in geopolymer concrete. Buildings 2023, 13, x FOR PEER REVIEW 3 of 23 The chemical compositions of di erent materials used to produce GPC from various sources were subjected to analysis through X-ray …
3. Mix Proportion Details for GPC and CC. The present investigation was conducted using M 40 grade GPC and CC concrete. Previous studies prescribed the mix proportions of M40 GPC using GGBS and fly ash [].M40 grade CC was designed using IS10262-2019 [].In both binders, river sand was replaced by M-sand, sea sand, …
Keywords Geopolymer concrete · Phosphate · Copper slag · Ambient curing condition 1 Introduction Sustainable concrete is progressively appealing attention, since the fabrication of ordinary Portland cement consumes a large amount of energy and resource, and emits lot of carbon dioxide (Ding 2016). The emission of greenhouse
40% copper slag with 60% M sand showed the maximum compressive strength of 39 ... and copper slag were adopted in this study to develop Engineered Geopolymer Composites (EGC) replacing commonly used fly ash and silica sand. A small fraction of agricultural waste viz., Rice Husk Ash (RHA) was also used as a part of the …
Ground granulated blast-furnace slag (GGBS) GGBS is a byproduct of steel-iron industries. The addition of GGBS into concrete has many advantages such as high workability, compressive strength, and durability (Patil et al. 2018).Rajarajeswari et al. developed GPC using GGBS with a compressive strength of 27–36 MPa with sodium …
The concrete grade of M40 with fly ash replacing cement by 20% and copper slag substituting fine aggregate by 0%, 15%, 30%, 45% and 60% was employed in this study.
To overcome the above criteria the river sand is fully replaced with copper slag and the cement is fully replaced with flyash (90% & 80%) and metakaolin (10% & 20%). This paper gives an overlook of mechanical and durability properties of geopolymer concrete using Metakolin and Copper Slag along with activator solutions.
The current study primarily evaluates the carbonation and permeation resistance of coal bottom ash (CBA) and copper slag (CS) based geopolymer concrete (GPC). The strength parameters along with non-destructive tests were also performed for reference. CS and CBA were used as a 10%, 30% and 50% replacement of natural fine …
The highest compressive strength value was attained at 20% fly ash substitution for cement and 30% of copper slag substitution as sand. The copper slag when substituted over 30% declines the compressive strength. 2. The highest split tensile strength value was obtained when 30% copper slag and 20% fly ash were substituted …
Copper slag, Iron ore tailings (IOT) and M-Sand (MS) were the materials used as partial replacements for river sand among them Copper slag and Iron ore tailings were used as in replacement levels ...
Applying 40% copper slag to replace silica sand led to a 45.52% and 59.38% rise in the tensile ... Geopolymer concrete is a new approach of concrete production by exclusion of ordinary Portland ...
2 SiO 3 ), which is viscous in nature. In this study, self-compacting geopolymer concrete (SCGC) containing y ash (FA) and ultrane slag (UFS) with copper slag aggregates (CSA) was proposed and investigated. CSA were used as a substitute to sand (by weight) in SCGC at different percentages up to 60%.
In this study, we prepared a one-mix slag/CKD-based geopolymer reinforced with NF or NT (0.5, 1%) to act as sustainable cementitious composite can replace the traditional of high PC in many ...
The objective of the study was to explore the feasibility of deploying high-volume copper slag as a replacement for river sand in the fabrication of high-strength geopolymer concrete. In total, 11 different trials were cast by varying copper slag up to as a potential alternative for the river sand.
The production of Portland cement (PC) is a major contributor to global carbon dioxide (CO2) emissions. Addressing these environmental concerns necessitates the exploration of alternative cement. Consequently, geopolymer cement concrete (GPC) has emerged as a promising candidate due to its reduced carbon footprint and …
