Nuruzzaman et al. [2] replaced stone dust as a replacement of. sand from 0 to 50% and studied the compressive strength and tensile strength of that mix. They. suggested the optimum percentage of ...
The Narmada River sand is used as NS. (ii) Crushed Stone dust is a fine material formed during the process of conversion of rock into aggregate and has particle size ranging from 4 mm to dust size (> 0.075mm). It was procured from stone crusher plant producing 20 mm downgraded aggregate, M/s Maa Pitambara Stone situated at …
Quarry rock dust is investigated as fine aggregate in replacement with sand in cement concrete admixture, as the properties of the rock dust are suspected to be as good as sand. This Paper presents the practicability of using quarry rock dust as partial replacement for river or sharp sand using design mix of M20 grade concrete with …
In the construction industry, there is a high demand for natural river sand, especially in the production of concrete, which creates major sustainablility issues. The best way to deal with these environmental concerns is to use waste or recycled material, as substitute for natural river sand. This paper deals with replacement of sand used in concrete as fine …
The paper presents results of study on concrete using quarry dust to replace sand at levels of 0%, 25%, and by weight. ... alternative to the river sand. Quarry Rock Dust can be defined as ...
For the purpose of experimentation M30, M40 grade concrete is designed for 25,50,75, replacement of natural sand by quarry dust and waste plastic in 2,4,6,8 % variation. .
Natural (River) Sand. Natural sand has an excellent modulus of 2.78 and, after washing in clean water, complies with Zone II according to IS: 383-1970. The specific gravity of this natural sand was found to be 2.55. The water absorption and moisture values obtained for the sand used were 6% and 1.0%, respectively. 3.
Abstract. The aim of this study is to analyze the probability of using crushed stone dust as a substitute of fine aggregate (i.e. River Sand) in concrete at 3 MTPA Integrated Steel Plant Project ...
Quarry Dust which is a other non-voluble waste material after the extraction and processing of rocks to form fine particles less than 4.75mm.The Quarry dust can be an alternative to the river sand ...
The 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 ...
This work is focused on the use of quarry dust as a total replacement to river sand in the production of concrete, and comparing the results (compressive strength) to that obtained from conversional concrete made with river sand ... Salford, U.K. [26] Shahul H. M. and Sekar A.S.S. (nd.). Green concrete containing quarry rock dust and marble ...
The data assessed the usefulness of available river sand in replacement of crushed stones in the production of interlocking stone. ... Hameed M.S., Sekar A.S.S. Properties of green concrete containing quarry rock dust and marble sludge powder as fine aggregate. ARPN J. Eng. Appl. Sci. 2009; 4 (4):83–89.
The data assessed the usefulness of available river sand in replacement of crushed stones in the production of interlocking stone. ... Properties of green concrete containing quarry rock dust and marble sludge powder as fine aggregate. ARPN J. Eng. Appl. Sci, 4 (4) (2009), pp. 83-89. View in Scopus Google Scholar
This is part of a research on the structural characteristics of concrete using lateritic sand and quarry dust as fine aggregate. This paper presents the results of an experimental study investigating the flexural and tensile characteristics of concrete using combinations of lateritic sand and quarry dust as complete replacement for conventional river sand …
In such a situation the Quarry rock dust can be an economic alternative to the river sand. Quarry Rock Dust can be defined as residue, tailing or other non-voluble waste material after the extraction and processing of rocks to form fine particles less than 4.75mm. ... This work is focused on the use of quarry dust as a total replacement to ...
Sand collected from aeolian deposit is expensive due to unwanted cost of transportation from natural sources. Large scale exploitation of natural sand creates environmental impact on society. River sand is most commonly used fine aggregate in concrete but due to acute shortage in many areas, availability, cost & environmental impact are the major concern …
The main aim of this paper is to strengthen the concrete with the fractional replacement of cement by granite dust and replacing the river sand with manufactured sand. The current study is carried out by fractional replacement of cement with granite dust in varying proportions of 0%, 5%, 10%, 15%, and 20% by weight of the cement and …
River sand was combined with quarry dust in five different ratios for each replacement level: 100:0, 90:10, 80:20, 70:30, 60:40, 50:50, and 0:100. For each blend, ten cubes of (150 x 150 x 150) mm ...
sand from river beds causing many problems, loosing water retaining sand strata, deepening of the river courses and causing bank slides, loss of vegetation on the bank of rivers, exposing the
The paper presents results of study on concrete using quarry dust to replace sand at levels of 0%, 25%, and by weight. Design mixes were prepared to achieve concrete grades C25, C30, C35, C40 and C45 for each of the three replacement levels. ... Portland limestone cement as the hydraulic binding agent, river sand and quarry rock …
The concrete mix M4 (50% USS + 50%QD) is the optimum mix for complete replacement of river sand with both sea sand and quarry dust as fine aggregate. b) The 28-day compressive strength is maximum for the M6 mix ( QD) is 40.8 ± 1.15 MPa and lowest is for M2 mix ( USS) is 29.7 ± 0.90 MPa among all excluding control mix.
In such a situation the Quarry rock dust can be an economic alternative to the river sand. Quarry Rock Dust can be defined as residue, tailing or other non-voluble waste material after the ...
Natural sand or river sand constitutes as major fine aggregate in cementitious construction. Especially, masonry block production requires 70–90% sand as raw material. While the demand for river sand increases rapidly, the supply of good quality river sand is limited due to the restrictions in sand mining in river beds.
Common river sand is expensive due to excessive cost of transportation from natural sources. Also large-scale depletion of these sources creates environmental problems. As environmental transportation and other constraints make the availability and use of river sand less attractive, a substitute or replacement product for concrete industry needs to …
As a result, quarry dust and river sand are suggested as construction materials for making concrete, and can be used to replace river sand up to 30% of the time to achieve the needed compressive strength of not less than the standard Keywords: River sand; Quarry dust; Ordinary Portland Cement; Compressive strength DOI: 10.7176/JEES/11-9-06 ...
The replacement of river sand in the mortar by using iron ore tailings (IOT) can not only turn waste tailings into wealth but also protect the environment. In order to further improve the physico-mechanical properties and cracking resistance of cement mortar with 50% IOT, a series of experiments were conducted by adding different …
Conclusions. From the concrete studies, replacement of 20% of sand with crushed limestone dust improved the compressive strength of the concrete specimen, which is considered a significant enhancement in the strength. Overall it was found that crushed limestone enhances most of the properties and with 20% optimum …
The 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 ...
EFFECTS OF QUARRY ROCK DUST AS A PARTIAL REPLACEMENT FOR RIVER SAND ON THE COMPRESSIVE STRENGTH OF CONCRETE BY NAME : EJEZIE GOODNESS KOSISOCHUKWU REG NO: 2017224019 ... transportation and consistent use has made the availability and use of river sand less attractive, river sand which is one of the …
For mortar, crushed rock powder is replaced from 20% to at 20% incremental interval. Basic strength properties of concrete are investigated by replacing natural sand by rock dust at 20%, 30% ...
exposed to moisture. Chemical Composition of cement, sand, crushed dust and marble sludge used in the study are given in Table 1. 3.2 Sand The sand used in this research for preparation of normal concrete is natural river sand conforming to grading zone-II as per IS: 383-1970 with specific gravity 2.68 and having fineness modulus as 3.42.
Granite fines or rock dust is a by-product obtained during crushing of granite rocks and is also called quarry dust. ... that the fly ash and quarry dust replacement showed the desirable results which can suggest the usage of the quarry dust as replacement of sand [5]. 257 International Journal of Innovative Technology and Exploring Engineering ...
The replacement of sand with stone dust at various ratios in medium-grade concrete showed an increase of up to 40 and 29% in compressive and up to 53 and 32% in flexural strengths for 7- and 28 ...
In India the use of quarry dust to replace river sand was reported by [2]. The use of rock dust as an alternative to natural sand was also reported by [5]. The use of up to 20% quarry waste fine as a partial replacement for natural sand in the production of concrete, in Malaysia was also reported [6].
1.0 INTRODUCTION Concrete is generally composed of aggregates, cement and water. The aggregates are usually coarse and fine aggregates. Cement is used for binding the concrete materials together. Coarse aggregates have particles bigger than 5 mm in diameter while fine aggregates have particles smaller than 5 mm in diameter. Cement is …
A alternative or replacement product for concrete industry needs to be found. The main parameter investigated in this study is M30 grade concrete with replacement of sand by robosand by 0, 10, 20, 50, 70 and . This paper presents a detailed experimental study on compressive strength, split tensile strength 3, 7 and 28 days on hardened ...
Stone dust can substitute river sand as fine aggregate in concrete. Ceramic waste can replace 10–20% of coarse aggregates without impacting material structure. Ceramic waste can replace coarse aggregates [17]. The mechanical characteristics of normal concrete with quarry dust (2011). In the experiment, quarry dust replaced sand …
Usually, natural river sand is used as a fine aggregate. However, places, where natural sand is not available economically, finely crushed stone may be used as a fine aggregate. 1.4QUARRY ROCK DUST: Quarry dust is the by-product which is formed in the processing of the granite stones which broken downs into the coarse
The concrete made with quarry rock dust and fly ash had comparable or improved physical, mechanical, and durability properties compared to natural sand concrete. ... Significantly, the replacement of 15% of river sand with fly ash emerged as an optimal point in terms of compressive strength. This indicates that a balanced …
