Coarse and fine aggregates generated from crushed concrete products for new concrete can be generally accepted only when the properties of recycled aggregate concrete, in addition to the relationships between different properties of such a concrete, are well understood. The results of an experimental investigation into the relationship of compressive strength to …

at different replacement level of fine aggregate & coarse aggregate with respect to conventional concrete and optimum replacement level will be determined based on compressive strength. Keywords— Fine Aggregate, Coarse Aggregate, Stone dust, Construction waste (crushed concrete waste), PPC, Rigid Pavement. I. INTRODUCTION

May 12, 2013· Prisms were cast for 7 days, 14 days and 28 days to determine flexure strength of concrete. The results for all the tests were found to be much satisfactory, which shows that the replacement of PPC with fly. ash up to 30% using stone …

Influence of stone dust as fine aggregate replacement on concrete compressive strength using an analysis of variance (ANOVA) Volume 4 Issue 3 - 2018 Jairo José de Oliveira Andrade,1 Guilherme Camargo Boldo2 1Graduate Program in Engineering Technology and Materials (PGETEMA), Pontifical Catholic University of Rio Grande do Sul (PUCRS), Brazil

Section4describes the development, training and evaluation of an ANN model using the data presented in Section3and a further series of validation concrete mixes. The ANN model is used to predict the compressive strength and workability of concrete using the properties of the fine aggregate as one of the main model input variables. 2.

Characteristics of Concrete Using Crushed Stone Dust as Fine Aggregate", International Journal of Innovative Technology and Exploring Engineering (IJITEE)" ISSN: 2278-3075, Volume-2, Issue-6. [6.] Pofale,A,D. Syed Raziuddin Quadri (2013) "Effective Utilization of Crusher Dust in Concrete Using

Jul 28, 2016· The concept of replacement of natural fine aggregate by quarry dust which is highlighted in the study could boost the consumption of quarry dust generated from quarries. By replacement of quarry dust, the requirement of land fill area can be reduced and can also solve the problem of natural sand scarcity. The availability of sand at low cost as a fine aggregate …

Studies on the strength characteristics of concrete using stone dust as fine aggregate after removing the fines to confirm to IS gradation (passing 150 microns) have revealed the above characteristics are comparable with the conventional concrete.

Aug 02, 2018· ordinary crushed stone aggregate. Surface texture and mineralogy affect the binder between the aggregates and the paste as well as the stress level at which micro cracking begins; the aggregate strength becomes influential in the case of higher-strength concrete. Ceramic wastes retain characteristics suitable for use as

Dec 29, 2017· The use of stone dust in concrete provides environmental benefits by reducing the impacts produced by the extraction of natural sand. The use of this material can also offer economic advantages, since the product is less costly than natural sand. In this way, the present work evaluated the compressive strength of concretes made with stone dust in different …

The batch composition was as presented in Table 1 Table 1: Mix composition of concrete (1 ) Aggregate type Cement(kg/ ) Water(kg/ ) Fine aggregate (kg/ ) Coarse aggregate (kg/ ) Sharp river sand 300 190 703.5 1306.5 Quarry dust 300 190 633.5 1176.5 Crushed Palm kernel 300 190 633.5 1181.0 shell Crushed groundnut 300 190 563.5 1220.0 shell Saw ...

aggregate. Quarry dust can be obtained from the stone crushing industries. This quarry dust is being used for asphalt, substitute for sand, and filling around pipes, sub grade for roads etc. To add value to this waste material, it can be used in concrete in place of fine aggregate.

strength of conventional concrete and crushed stone aggregate concrete. The strength of the concrete with different coarse aggregates is given in Table 3. The compressive strength of concrete cubes made with ceramic insulator and glass concrete were found to be 16% and 26.34 % lesser respectively than that of conventional concrete.

Feb 15, 2019· Soundness of aggregate -for concrete liable to be exposed the action of frost, coarse and fine aggregates should pass a sodium or magnesium sulphate accelerated soundness test. Grading of aggregates: Grading of aggregates is an important aspect as they can influence the various properties of concrete such as cohesion, water demand, workability ...

Jan 01, 2021· In the study, a mix of M30 grade concrete was used and designed as per the guidelines of IS 10,262 2009 . 10, 20, 30, and 40% of fine aggregates were replaced with crushed limestone dust in the concrete mix.Water-cement ratio and content of cement were kept constant (0.462 and 430 kg/m 3 respectively) in the study. Coarse aggregates of only two …

Evaluation of Strength Characteristics of Concrete Using Crushed ..... dust waste as fine aggregate for concrete has been assessed by comparing its basic properties with ... Keywords: concrete, strength, fine aggregate, crushed stone dust. ... Based on the above discussions, following conclusions are drawn:. More details » Get Price

Jul 01, 2017· There is a general belief that crushed aggregates contribute higher strength in concreting compared to rounded aggregates. Contrary to this belief, our study revealed: rounded aggregates perform better than crushed aggregates because the rounded shape which considered as a negative characteristic is compensated by improving the workability and …

Fine aggregate is the essential ingredient in concrete that consists of natural sand or crushed stone. The quality and fine aggregate density strongly influence the hardened properties of the concrete.. The concrete or mortar mixture can be made more durable, stronger and cheaper if you made the selection of fine aggregate on basis of grading zone, particle shape and …

examined the slump and the compressive strength of concrete using quarry dust as fine aggregate and crushed stone as the coarse aggregate. For this purpose, two different mixes of M40 grade 1: 1.39: 1.7 (cement: river sand: crushed stone aggregate) and 1: 1.37: 1.7 (cement: quarry dust: crushed stone aggregate) ratios were used.

flexure strength of concrete. issues. The current concrete practice is The results for all the tests were found to be much satisfactory, which shows that the replacement of PPC with fly up to 30% using stone quarry dust partially as fine aggregate is suitable. Graphs are plotted for mechanical

This article explores the use of less expensive crushed returned concrete aggregate (CCA) as an internal curing material. In this investigation, CCAs in the 1000 psi (6.9 MPa), 3000 psi (20.7 MPa) and 5000 psi (34.5 MPa) strength range were prepared for evaluation as internal curing agents. The best performing CCA was then selected and

Lakhan nagpal, arvind dewangan, Sandeep dhiman, Sumit kumar (2013) "Evaluation of strength characteristics of concrete using crushed stone dust …

experimental study of strength characteristics of concrete using crushed stone dust as fine aggregate it is found that there is increase in compressive strength, flexural strength and tensile strength of concrete. 3. Rameshwar S. Ingalkar, Shrikant M. Harle (2017). conducted study about replacement of natural sand by crushed sand in the concrete.

The test result indicates that crushed stone dust waste can be used effectively used to replace natural sand in concrete. In the experimental study of strength characteristics of concrete using crushed stone dust as fine aggregate it is found that there is increase in compressive strength, flexural strength and tensile strength of concrete

and it leads to good concrete with high strength, economy, low shrinkage and greater durability.Fine aggregates generally consist of natural sand or crushed stone. Medium and fine sand are to be used in mortars. The properties of fine aggregate shall be in accordance with the requirements of IS: 383-197 The

Concrete with quarry dust as fine aggregate In a study in Thailand by Khamput [11] on the compressive strength of concrete using quarry dust as fine aggregate and mixing with admixture type E, it was found that with 70% quarry dust the concrete produced compared well with normal concrete. He recommended quarry dust for

Technical Advisory T 5040 37 Use of Recycled Concrete Jul 03 2007 · Technical Advisory T 5040 37 Use of Recycled Concrete Pavement as Aggregate in Hydraulic Cement Concrete Pavement July 3 2007 What is the purpose and scope of this Technical Advisory This Technical Advisory issues information on state of the practice and guidance for the use of recycled …

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 fine aggregate.

Apr 19, 2021· Lakhan Nagpal, Arvind Dewangan (2013), Evaluation of Strength Characteristics of Concrete Using Crushed Stone Dust as Fine Aggregate presented in his research Mixture of stone sand and natural sand can be used for medium grade concrete. If better quality of stone sand can be used, it may give better result in terms of strength.

M15 grade natural aggregate concrete for workability of 75 mm which required a water cement ratio of 0.40 S No. 28 days Strength (Mpa) 01. 17.9 02. 18.4 03. 18.4 Average compressive strength = 18.23Mpa Table 3.