Sustainable cleaner production of concrete with high volume copper slag

Prem, Prabhat Ranjan; Verma, Mohit; Ambily, P.S.

doi:10.1016/j.jclepro.2018.04.245

Cited by 130 publications

(44 citation statements)

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“…Copper slag has been a subject of great interest for some time as a sustainable construction material (Dhir, de Brito, Mangabhai, & Lye, 2017;Murari, Siddique, & Jain, 2015;Prem, Verma, & Ambily, 2018). Utilizing of the copper slag in building industry has a twofold ecological advantages.…”

Section: Introductionmentioning

confidence: 99%

“…On the one hand, it saves natural resources, on the other it is a form of reuse of industrial waste, so it does not have to be stored on landfills. Copper slag is widely used, among others as a material partially or completely replacing sand in concretes and mortars (Al-Jabri, Al-Saidy, & Taha, 2011;Kubissa, Jaskulski, & Simon, 2017;Prem et al, 2018). One of the chapters of Dhir et al book (Dhir et al, 2017) is devoted to this application.…”

Section: Introductionmentioning

confidence: 99%

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Influence of partial replacement of sand with copper slag on the thermal properties of hardened concrete

Majewski

Jaskulski

Kubissa

2019

Modern Building Materials, Structures and Techniques (MBMST)

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The article presents the results of testing the effect of partial replacement of sand with fine copper slag waste on the thermal properties of hardened concrete. The impact of the replacement on mechanical properties (ie. compressive and tensile strength of concrete) was also investigated. The thermal properties of the concrete were determined using the non-stationary method with the ISOMET 2114 device. Tests were performed on concrete containing three different types of cement (CEM I, CEM II and CEM III). A total cement content of 360 kg/m 3 was assumed in the compositions of all concrete mixes with a water-cement ratio of 0.45. Replacing 66% of the sand volume with copper slag waste caused a decrease in thermal conductivity by about 4-8% in relation to the reference concrete. In addition, the compressive strength of concrete containing copper slag increased by about from 4-21% in relation to the reference concrete.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of partial replacement of sand with copper slag on the thermal properties of hardened concrete

Majewski

Jaskulski

Kubissa

2019

Modern Building Materials, Structures and Techniques (MBMST)

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“…As a result, the CS-based concretes demonstrated an improved strength (compressive and flexural) and durability (chloride permeability and chloride sorptivity) compared with conventional concretes. In the study of Prem et al [17], the FU of 1 m 3 of concrete was not normalized to the 28-day compressive strength. Additionally, byproduct-based concretes showed a higher embodied energy and GWP compared with conventional concretes.…”

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confidence: 97%

“…A key element of LCA is a functional unit (FU) that must be shared by all the compared alternatives and to which all inputs and outputs of the raw materials, and their embodied energies and emissions, should be traced [15].For a proper comparison of the FUs of concrete alternatives (both conventional and byproduct-based), at least the following parameters should be comparable: (i) fresh properties of the concrete (e.g., the consistency); (ii) hardened properties of the concrete (e.g., the compressive strength); and (iii) the durability of the concrete (e.g., the water penetration). To achieve this, previous LCA studies have used two different concrete (CON) design methods: (i) concrete with a fixed slump range (CON-fix-SLUMP); or (ii) a concrete with a fixed water/cement (W/C) ratio (CON-fix-W/C) [16][17][18].Turk et al[16] used a fixed slump range of 185-205 mm in byproduct-based concretes in which sand had been partially replaced by foundry sand or steel slag and which contained FA as a mineral admixture. These authors showed that the ranges of the 28-day compressive strength and the water penetration depths were 30.1-45.3 MPa and 16-34 mm, respectively.…”

mentioning

confidence: 99%

“…For a proper comparison of the FUs of concrete alternatives (both conventional and byproduct-based), at least the following parameters should be comparable: (i) fresh properties of the concrete (e.g., the consistency); (ii) hardened properties of the concrete (e.g., the compressive strength); and (iii) the durability of the concrete (e.g., the water penetration). To achieve this, previous LCA studies have used two different concrete (CON) design methods: (i) concrete with a fixed slump range (CON-fix-SLUMP); or (ii) a concrete with a fixed water/cement (W/C) ratio (CON-fix-W/C) [16][17][18].…”

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confidence: 99%

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The Effect of Different Concrete Designs on the Life-Cycle Assessment of the Environmental Impacts of Concretes Containing Furnace Bottom-Ash Instead of Sand

Pushkar

2019

Sustainability

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The results of life-cycle assessments (LCAs) of concrete are highly dependent on the concrete design method. In this study, LCAs were conducted to evaluate the environmental impacts of the replacement of sand with furnace bottom-ash (FBA) in concrete. In the FBA-based concretes, sand was replaced with FBA at proportions of 0, 30, 50, 70, and 100 wt%. Two design methods were studied: (i) concrete with fixed slump ranges of 0-10 mm (CON-fix-SLUMP-0-10) and 30-60 mm (CON-fix-SLUMP-30-60); and (ii) concrete with fixed water/cement (W/C) ratios of 0.45 (CON-fix-W/C-0.45) and 0.55 (CON-fix-W/C-0.55). The ReCiPe2016 midpoint and single-score (six methodological options) methods were used to compare the environmental damage caused by the FBA-based concretes. A two-stage nested (hierarchical) analysis of variance (ANOVA) was used to simultaneously evaluate the results of six ReCiPe2016 methodologies. The ReCiPe2016 results indicate that replacing sand with FBA decreased the environmental impact of the concretes with fixed slump ranges and increased the environmental impact of the concretes with fixed W/C ratios. Therefore, using FBA as a partial sand replacement in concrete production is of debatable utility, as its impact highly depends on the concrete design method used.Sustainability 2019, 11, 4083 2 of 20 several industrial byproducts, such as FA, FBA, copper slag (CS), and quarry dust powder (QDP) [7][8][9]. Chowdhury et al. [7] studied the full replacement of sand with FA and FBA in road construction, and reported mixed results: climate change (e.g., CO 2 emissions) and environmental acidification were found to be lower for the byproducts, whereas the formation of particulate matter was found to be lower for the sand. Kua [8] performed a life-cycle assessment (LCA) of high-performance concrete in which sand had been partially (10 vol%) replaced with CS, and reported an increased climate change impact (e.g., increased CO 2 emissions) compared to that of conventional concrete. Lim et al. [9] studied the replacement of a high percentage of sand with QDP in lightweight foamed concrete, and reported a decrease in CO 2 emissions of up to 10%. This highlights that the effect of the partial or full substitution of sand in the production of concrete is not fully understood and requires additional research.Among all the possible industrial byproducts, the conversion of waste from coal-fired electricity production into an environmentally friendly byproduct for the production of concrete is a pressing issue for environmentally sustainable development in many countries [2]. For example, Zhang and Poon [10] considered the use of FBA, a waste byproduct from coal-fired electricity production, as an alternative to natural fine aggregates in byproduct-based concrete production to improve the concrete's environmental impact.The problem of producing concrete with a low environmental impact is also important for Israel. Concrete is a major building material in Israel [11], and furthermore, according to the Israel Electric Corporation Lt...

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Study on Concrete Developed with Recycled Fine Aggregate

Soni

Shukla

2021

Lecture Notes in Civil Engineering

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Sustainable cleaner production of concrete with high volume copper slag

Cited by 130 publications

References 53 publications

Influence of partial replacement of sand with copper slag on the thermal properties of hardened concrete

Influence of partial replacement of sand with copper slag on the thermal properties of hardened concrete

The Effect of Different Concrete Designs on the Life-Cycle Assessment of the Environmental Impacts of Concretes Containing Furnace Bottom-Ash Instead of Sand

Study on Concrete Developed with Recycled Fine Aggregate

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