Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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Over the last few years, the rate at which metropolitan areas and industries have expanded worldwide has increased, leading to a significant increase in the usage of concrete and …
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coarse aggregate by demolished waste on workability and compressive strength of recycled concrete for the. study at 7 and 28 d. The compressi ve strength thus, observed was compared with strength ...
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Abstract. The disposal and reutilization of concrete waste have aroused increasing attention. The main disposal methods of concrete waste are landfill or direct dumping; …
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Abstract. An attempt was made in this experimental investigation to recycle wood waste. Concrete-containing wood aggregate in percentages of 0, 15, 20 and 25 in place of crushed stone was developed with a characteristic compressive strength of 25 MPa, with a mix proportion of 1:1.26:2.76 and with water/cement ratio of .45.
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other hand natural resources in fine aggregate and coarse aggregate are now a days produced in less due to highly consumption and popular growth. So that only the e-waste is to be utilizing as coarse aggregate in concrete. The e-waste was crushed in various sizes and sieve through 4.75mm, 10mm, 20mm. The various tests
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In this paper, the possibility of utilising coarse recycled concrete aggregate (CRCA) obtained from a construction and demolition waste (CDW) plant in Delhi to make 60 …
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with GBFS as fine aggregate and marble was te a s coarse aggregate was 6 .14%, 7.25%, 5.72% and 3.04%,respectively higher than t hat of concrete with river sand as fine aggregat e. and marble ...
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Agro waste-based geopolymer concrete refers to a type of concrete that utilizes agricultural waste materials, such as rice husk ash, sugarcane bagasse ash, wheat straw ash, …
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To create the concrete in this experiment, E-waste was collected and mixed with cement, coarse aggregate, and fine aggregate. The mixed concrete was poured into the moulds and cubes for testing were cast. After seven, fourteen, and twenty-eight days, the moulds were removed and subjected to comprehensive strength tests.
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The use of ceramic waste, originated from construction sites and industries, as fine and coarse aggregate in concrete presents an effective and sustainable endeavor to …
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This study presents a liberation process for recycling high-quality coarse aggregates from waste concrete by impacting with steel grits.
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The study illustrated that the optimum. percentag e of adding wasted paper and wasted concrete replacemen t are 5% and 10%. respectiv ely, due to increasing in both compressiv e and tensile ...
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Recycled aggregates (RA) from construction and demolition waste (CDW) instead of natural aggregates (NA) were analysed in the manufacture of new eco-friendly concrete. Fine (FRA) and coarse (CRA) recycled aggregates were used in different percentages as substitutes of natural sand and gravel, respectively. The results revealed …
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The mix design was done by weight for better concrete workability. As stated, the increase in ceramic waste coarse aggregate replacement in concrete, decreases the compressive strength values. At replacement the compressive strength was found to be 32.15 MPa, which is more than the design target value –mean …
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As the experimental study is made on the utilization of E-waste particles as coarse aggregate and locally available soil as fine aggregate in concrete with the partial replacement ranging from 0% ...
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The paper reports on the performance of 34 different concrete mixes containing glass crushed to ¾-in. (19-mm) maximum size as coarse aggregate and six reference mixes made with gravel of the same size. Two cements of alkali equivalent 0.58 and 1.13, classifiable as low and high alkali (ASTM C 150-72), in amounts ranging from 400–900 …
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The current research has used coconut shell waste in concrete as a partial replacement for coarse aggregate in various percentages, i.e., at 25% coconut shell with 0%SAP, 25% Coconut shell with 0. ...
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A few studies have reported PP waste plastic as the replacement for coarse aggregate [1, 27, 39]. Therefore, this study focuses on the durability properties, such as shrinkage, the effect of elevated temperature, chloride ion penetrability, and bond strength of PP coarse aggregate concrete.
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The optimum content of ceramic waste was found to be 15 and 20% by weight of coarse aggregates for G30 and G50, respectively. The compressive strength of the concrete waste containing geopolymer concrete was compared with control mix concrete and was found to have an increment of 13.5% in compressive strength …
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In the present study, the generated waste was used in lean cement concrete as a replacement. of conventional coarse aggregate in different percentages 20% - by weight. The idea of working. on ...
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An experimental study is made on the utilization of E-waste particles as fine and coarse aggregates in concrete with a percentage replacement ranging from 0 %, 20% to 30% i.e. (0%, 10%, 20% and 30%) on the strength criteria of M20 Concrete. Compressive strength, Tensile strength and Flexural strength Concrete with and without …
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The practice of making concrete with natural aggregate partially or fully substituted by waste concrete aggregate has been widely accepted all over the world due to it being environmentally friendly and supportive of concrete manufacturing sustainability [1,2,3].The majority of existing studies focus on investigating the feasibility of recycling …
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n at ur al aggregates concrete. Fine recycled aggregate cannot be. a pplied in the concrete which is used for structures so we can. i gnore its amount 70 - 75% aggregates are required for the ...
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RCPs smaller than 0.15 mm were obtained from three different generations of multi-recycled coarse aggregate concrete, respectively, which replaced cement by 10%, 20% and 30%. ... The findings indicate that the utilization of RCP obtained from repeatedly recycled aggregate concrete waste is still challenging, but it has another …
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The WC coarse aggregate concrete was higher slump value than RC with different w/c ratio (0.35–0.60). This was a reason for the low water absorption and smooth surface texture of the waste coarse ceramic aggregate (Senthamarai and Devadas Manoharan, 2005).
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Concrete with a high content of PET plastic waste aggregate (40% and 50% volumetric replacement to natural coarse aggregate) can be utilized in structural insulation lightweight concrete members. Tuladhar and Yin (2019) studied the possibility of producing lightweight concrete (1500 kg/m 3) by utilizing recycled plastic aggregate.
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E-waste plastics can be used as coarse aggregates by replacing the conventional coarse aggregates in a concrete by volume (0, 10 and 12.5%). 2. Compressive strength and flexural strength of electronic waste concrete decreases with increase in the percentage of e-waste whereas the split tensile increases with the …
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Test results indicate that the workability of ceramic waste coarse aggregate concrete is good and the strength characteristics are comparable to those of the conventional …
DetailsIn addition, waste materials, when properly processed, have shown to be effective as construction materials and readily meet the design specifications [5], [6]. This study focuses on producing concrete of …
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The effective depth of beam is also almost similar with M3 mix makes the use of CDW as a feasible one. Use of CDW will save about 12.075 m ³ of fine aggregate and 21.625 m ³ of coarse aggregate ...
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Taking the waste management approach into account, this study utilized coal waste (CW) as a partial replacement for fine and coarse aggregates in concrete mixes. With almost 28% of the global energy consumption, coal is the second-most widely used source of energy in the world.
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