River sand and lateritic soils were sourced locally around the Landmark University premise with a geographical position of 8.1239° N, 5.0834° E. Red earth soil (Fig. 1) was gotten at a location around a hilly terrain within the University premise while quarry dust (Fig. 2) was obtained from a quarry site within the township of Omuaran at a …
ادامه مطلب5.2 Properties of control concrete and concrete with marble dust: A. W orkability- Slump test (ASTM C - 1437) The concrete slump test is an empirical test that measures the w orkability of fresh ...
ادامه مطلبG. Balamurugan, Dr. P. Perumal, et al ( Nov, 2013) This experimental study presents the variation in the strength of concrete when replacing sand by quarry dust from 0% to 100% in steps of 10%. M20 and M25 grades of concrete are taken for the study keeping a constant slump of 60mm.
ادامه مطلبAs the replacement of sand with quarry dust increases, the workability of the concrete is decreasing due to the absorption of water by quarry dust. Hence, good workability can be achieved by ...
ادامه مطلبK.Permual and R.Sundarajan (2003) "Quarry rock dust could be used as alternative replacement of natural sand in concrete" Proceedings of National Seminar on Futuristic in Concrete and Construction ...
ادامه مطلبHowever, when the cost per unit compressive strength was considered, quarry dust as river sand replacement seemed more beneficial, especially for mortar mix substituted with higher quarry dust. The reduction in cost per unit compressive strength was 9.2% for 33.3%, 23.2% for 66.6%, and 31.3% for 100% quarry dust substitutions, …
ادامه مطلبwere produced using quarry dust-sand-cement. And the replacement of the sand with quarry dust by 0%, 50% and 100% respectively. Sand was air dried for 24 hours before passing them through 5 mm sieve. Particles passing through the sieve were used for brick production. Cement and sand were mixed together then the quarry dust and colour
ادامه مطلبThe results showed that river sand and quarry dust with a compressive strength of 10 to 30% replacement is an excellent construction material for constructing concrete.
ادامه مطلبThe compressive strength of concrete which contained 50 to 60% quarry dust in place of natural sand yielded higher strength compared to conventional concrete [37,38]. Published literature show wide-ranging studies on physical, mechanical characteristics and durability aspects of conventional concrete and self-compacting …
ادامه مطلبThe replacement of sand as a major ingredient of concrete by quarry dust will be a techno economic solution to the above problem .The present research work was carried out to study the strength and stability of concrete containing quarry dust and GGBS as partial replacement of sand and cement at various percentages .
ادامه مطلبResults herein revealed that replacement of sand by quarry dust increases the strength of the concrete; with addition of inhibitor it offers lower permeability and …
ادامه مطلبThe aim of this research was to find the best alternative for river sand in concrete. In both geopolymer concrete (GPC) and cement concrete (CC), the fine aggregates are replaced with various sustainable mineral ashes, and mechanical and durability tests are conducted. Specimens for tests were made of M40 grade GPC and …
ادامه مطلبPartial Replacement of Sand with Quarry Dust in Concrete 255 Table 1 showing the Physical properties of quarry dust and natural sand [2] Property Quarry Dust Natural Sand Test method Specific gravity 2.54 -2.60 2.60 IS2386(Part III)- 1963 Bulk density (kg/m3) 1720- 1810 1460 IS2386(Part III)- 1963 Absorption (%) 1.20- 1.50 Nil IS2386(Part
ادامه مطلبThe compressive strength of cubes at 28 day curing for control mixture of 1:3:6 at 0% partial replacement of river sand with quarry dust was 12.6N/mm 2 but compressive strengths of 21.5 N/mm 2 and ...
ادامه مطلبDifferent materials like M-sand, washed bottom ash, quarry dust, sheet glass and construction demolition waste, etc., are used as partial replacement to natural sand [3] [4] [5]. On international ...
ادامه مطلبDue to the rapid growth in construction of concrete structures the river sand is becoming scarce and expensive. The cost of transportation of sand affects the economy …
ادامه مطلبA similar observation was also reported by Kumar et al. (2020) in their study, which incorporated quarry dust and wastes foundry sand as a replacement of fine aggregate in concrete. The flexural strength of concrete was reported to increase by 14 and 21% when quarry dust and waste foundry sand were used at the mass proportion …
ادامه مطلبThe cement concrete stone dust CCSD 7.5 with partial replacement of 7.5% stone dust shows an increase in compressive and flexural strengths of 14.42% and 15.85% at 28 and 56 days as compared to the nominal mix, respectively. The increase in strength is due to the dense microstructure of the specimen in the presence of fine …
ادامه مطلبThe findings of this study emphasize that the replacement of quarry dust for river sand in cement mortar does provide higher compressive strength and flexural …
ادامه مطلبIlangovan and Nagamani [18,19] reported that Natural Sand with Quarry Dust as full replacement in concrete as possible with proper treatment of Quarry Dust before utilization.
ادامه مطلبincrement is about 55% to 75% depending on the replacement if the sand with the quarry dust, for the 100% replacement of the sand the compressive strength is depending on the quarry dust location from where the quarry dust was taken. The workability of the concrete is decreasing when the replacement percentage of the quarry dust is …
ادامه مطلبThe compressive strength of concrete cube (100% replacement of sand with quarry dust) and natural sand were compared. The compressive strength of concrete cube containing 100% replacement of sand with quarry dust the value ranges between 21.3 to 33.63 MPa. For a binder content of 300 kg/m 3. The maximum compressive
ادامه مطلبConcrete used was prepared by replacing 25% and 100% of sand by weight with quarry dust. Also, conventional sand concrete was prepared as reference concrete for comparison. 100 mm cube and 100 × ...
ادامه مطلب1. The Replacement of the sand with quarry dust shows an improved in the compressive strength of the concrete. 2. As the replacement of the sand with quarry dust increases the workability of the concrete is decreasing due to the absorption of the water by the quarry dust. 3. The compressive strength and split tensile
ادامه مطلب... Other works on the use of quarry dust in concrete making includes; Poonam, Bishnoi, and Bala (2015), Sukesh, Krishna, Teja, and …
ادامه مطلبResearchers agree that waste quarry dust at 20% (Imran and Muthu, 2018) sand replacement can increase the compressive and flexural strength of concrete by 10% and splitting tensile strength by 15% ...
ادامه مطلبThe compressive strength of cubes at 28 day curing for control mixture of 1:3:6 at 0% partial replacement of river sand with quarry dust was 12.6N/mm 2 but compressive strengths of 21.5 N/mm 2 and ...
ادامه مطلبResearchers have also used quarry dust as total replacement of sand in concrete. Quarry dust concrete at curing age of 28 days exhibited higher compressive strength than river sand concrete [6 ...
ادامه مطلبMeanwhile, Hamid et al. progressively increased the replacement of fine aggregate with quarry dust above 50% to understand its behaviour when used in concrete production [14]. The result from this study shows that the produced concrete with quarry dust above 50% yield a negative effect in workability and strength properties of concrete …
ادامه مطلبnatural sand such as fly-ash, quarry dust or limestone and siliceous stone powder, filtered sand, copper slag are used in concrete and mortar mixtures as a partial or full replacement of natural ...
ادامه مطلب