2016-8-1 · 3.1.1. Coarse sand fractions (0.125/2, 2/5 and 5/8 mm) used for the experimental series A of the study. 0.125–8 mm partly natural sand fractions from Årdal (NSBR) sandpit. Årdal 0/8 mm sand (known also as NSBR-sand) is a reference aggregate in most Norwegian concrete laboratories due to its known good performance in fresh concrete and consistence of quality.
Read More2017-1-25 · Nowadays it is very important to make the concrete economical. Therefore the present work has initiated to make the concrete economical by replacing the natural sand by crushed sand in the concrete. From our study it is concluded that different Crushed sand gives different results for compressive strength depending on different quarries and from study of
Read More2022-1-25 · This paper presents results of the laboratory investigation on high performance concrete (HPC) using crushed sandstone sand as 20%, 40%, and 60% replacement of
Read More2019-7-1 · Artificial sand (Crushed sand): The crushed sand having fineness modulus of 2.84 and conforming to zone II as per IS: 383-1970 [5] was used for the experimentation after washing it with clean water. The specific gravity of this artificial
Read More2016-3-3 · materials to replace sand. This study aimed to investigate the suitability of using crushed brick in concrete. Crushed brick originated from demolished masonry was crushed in the laboratory and added partial sand replacement. Three replacement levels, 15%,20% and 25%, were compared with the control.
Read More2016-9-9 · a substitute for river sand as fine aggregate for concrete. Experimental results show that the washed sea sand is ideal for concrete and plastering activities. When compared with 100% river sand concrete, 50 and 100% replacement of sea sand with river sand in concrete gives lesser in compressive, ) ) ) IJSER
Read MoreIn the present investigation workability, strength and durability of concrete with manufactured sand as replacement to natural sand in proportions of 0%, 20%,
Read More2019-5-10 · the concrete cone status for different water cement ratios and recorded the values for normal concrete. Then the same procedure is performed with sand being completely replaced by the concrete with river sand, M-Sand and Quarry Dust Sand. Fig.4.1 True Slump Fig.4.2 Shear Slump Fig.4.3 Collapse Slump
Read MoreThis paper presents a critical review of existing studies on the effects of using sea-sand and/or seawater as raw materials of concrete on the properties of the resulting concrete, including its workability, short- and long-term strength as well as durability.
Read More2022-2-8 · The percentage passing 150 microns of manufactured sand is relaxed to 20% (while that of natural sand is limited to 10%). As per design and economics, crushed sand can be used to partially or fully replace river sand from a concrete
Read More2016-9-1 · Crushed rock sand has surfaced as a viable alternative to Natural River sand and is being now used commonly throughout the world as fine aggregate in concrete. It is manufactured by crushing the quarried stone to a size that will completely pass through 4.75 mm sieve.
Read More2022-1-25 · This paper presents results of the laboratory investigation on high performance concrete (HPC) using crushed sandstone sand as 20%, 40%, and 60% replacement of
Read MoreThe global consumption of natural sand is very high, due to the extensive use of concrete or mortar. The fine and coarse aggregates generally occupy 60% to 75% concrete volume (70% to 85% by mass) and strongly influence the concrete’s fresh and hardened properties. Now a day’s sand is becoming a very scarce material. Natural sand deposits are being depleted and
Read More2016-3-3 · materials to replace sand. This study aimed to investigate the suitability of using crushed brick in concrete. Crushed brick originated from demolished masonry was crushed in the laboratory and added partial sand replacement. Three replacement levels, 15%,20% and 25%, were compared with the control.
Read More2018-5-12 · strength and also durability tests on concrete with M. sand. 3 MATERIAL STUDY 3.1 of finely divided rock and mineral particles. It is defined by Manufactured Sand or M SAND Manufactured sand (M-Sand) is a substitute of river sand for concrete construction. Manufactured sand is produced from hard granite stone by crushing. The crushed sand is of
Read More2018-1-2 · of concrete for grade of M25 with crushed pebbles as fine aggregate were found to be comparable with the concrete made with river bed sand. Crushed pebbles cannot effectively be used in plain concrete in place of fine aggregate. We can use crushed pebbles partially for the replacement of sand in concrete. REFERENCES
Read MoreIn the present investigation workability, strength and durability of concrete with manufactured sand as replacement to natural sand in proportions of 0%, 20%, 40%, 60% and 100% is studied.
Read More2019-5-10 · the concrete cone status for different water cement ratios and recorded the values for normal concrete. Then the same procedure is performed with sand being completely replaced by the concrete with river sand, M-Sand and Quarry Dust Sand. Fig.4.1 True Slump Fig.4.2 Shear Slump Fig.4.3 Collapse Slump
Read More2015-1-30 · Concrete and Mortar as an alternative of Sand”, African Journal of Environmental Science and Technology, Vol. 5(5), pp. 381-388 May 2011. [3] Manguriu, Kenya, “Partial replacement of Natural River sand with crushed rock sand in concrete production” Global Engineers & Technologists Review, 2013. [4] Er.
Read More2022-2-8 · The percentage passing 150 microns of manufactured sand is relaxed to 20% (while that of natural sand is limited to 10%). As per design and economics, crushed sand can be used to partially or fully replace river sand from a concrete
Read More2016-3-3 · materials to replace sand. This study aimed to investigate the suitability of using crushed brick in concrete. Crushed brick originated from demolished masonry was crushed in the laboratory and added partial sand replacement. Three replacement levels, 15%,20% and 25%, were compared with the control.
Read MoreThe global consumption of natural sand is very high, due to the extensive use of concrete or mortar. The fine and coarse aggregates generally occupy 60% to 75% concrete volume (70% to 85% by mass) and strongly influence the concrete’s fresh and hardened properties. Now a day’s sand is becoming a very scarce material. Natural sand deposits are being depleted and
Read More2012-10-17 · Recently, it has been difficult to get natural sand for concrete due to an insufficient supply in Korea. Crushed sand was thought as a substitute and previous research has been focused on low fluidity and normal compressive strength (24–30 MPa). Study on high performance concrete using crushed sand is hardly found in Korea. In this study it was
Read More2016-12-1 · This research consists of incorporating the crushed sand (CS) in the composition of a concrete and studies the effect of its gradual replacement by the sand dune (SD) on sustainability of high performance concrete (HPC) in aggressive environments. The experimental study shows that the parameters of workability of HPC are improved when the CS is partially replaced by
Read More2020-7-1 · Journals. Journals list Browse more than 100 science journal titles ...
Read MoreThis paper describes the effects of high temperatures on the strength characteristic of crushed limestone sand concrete (CLSC). To compare, natural (river) sand concrete (NSC) and CLSC specimens were exposed to the three different high temperatures. Visual color-change and weight loss were also carefully examined through the tests. The test results indicated that the
Read More2018-1-2 · of concrete for grade of M25 with crushed pebbles as fine aggregate were found to be comparable with the concrete made with river bed sand. Crushed pebbles cannot effectively be used in plain concrete in place of fine aggregate. We can use crushed pebbles partially for the replacement of sand in concrete. REFERENCES
Read MoreMr.A.C.Dubal Journal of Engineering Research and Application ijera ISSN : 2248-9622, Vol. 8, Issue 9 (Part -III) Sep 2018, pp 11-14 RESEARCH ARTICLE OPEN ACCESS The Utilization Of Crushed Stone Dust As A Replacement Of Sand In Cement Concrete Mr.A.C.Dubal Assistant ProfessorSYMBIOSIS SKILL & OPEN UNIVERSITY PUNE.PhD Scholar M.E.Civil
Read More2015-1-30 · Concrete and Mortar as an alternative of Sand”, African Journal of Environmental Science and Technology, Vol. 5(5), pp. 381-388 May 2011. [3] Manguriu, Kenya, “Partial replacement of Natural River sand with crushed rock sand in concrete production” Global Engineers & Technologists Review, 2013. [4] Er.
Read More2022-2-8 · The percentage passing 150 microns of manufactured sand is relaxed to 20% (while that of natural sand is limited to 10%). As per design and economics, crushed sand can be used to partially or fully replace river sand from a concrete
Read More