Voir plus
  • Performance of self-compacting concrete with

    2019.4.16  The aim of the present experimental study is devoted to investigate the effects of quarry limestone fines as crushed sand substitution on the workability, rheological, mechanical and durability properties of self-compacting concrete.

    consulter en ligne
  • (PDF) A Study on Using Crushed Sand to Replace

    2020.7.18  One of the solutions is to use crushed sand to replace natural sand as aggregate in concrete, especially the study of using crushed sand to make high-strength self-compacting concrete.

    consulter en ligne
  • Concrete with Smart Material (Manufactured Crushed

    2013.12.17  AIM AND OBJECTIVE. This paper presents a detailed review about crushed sand as recycled materials that can be effectively used in concrete as a sand replacement.

    consulter en ligne
  • Crushed sand in concrete – Effect of particle shape in

    2016.8.1  In particular problems with concrete rheology are observed if crushed sand simply replaces natural sand with no special adjustments of either particle size distribution or mix design.

    consulter en ligne
  • COMPARATIVE ANALYSIS BETWEEN NATURAL SAND

    2021.4.8  fines content is usually high in crushed sand which can adversely affect concrete properties. The influ-ence of fines in crushed sand on physical and mechanical

    consulter en ligne
  • An Overview Study of Concrete with Partial Replacement

    2023.5.18  Keywords:- Waste Ceramic Tile ,Crushed Sand, Compressive Strength. I. INTRODUCTION As per test results Crushed sand with conventional concrete, can be used as

    consulter en ligne
  • Experimental evaluation of workability and compressive strength

    2015.11.15  The present study assesses the impact of fine particles on concrete slump and compressive strength of 270 specimens produced with 30 formulations. The main objective of

    consulter en ligne
  • Possibilities of improving crushed sand performance in fresh concrete ...

    2016.3.22  Concrete with the crushed washed fine aggregate displayed significantly better workability in terms of higher slump and slump-flow values compared to the corresponding

    consulter en ligne
  • Study on the Fluidity and Strength Properties of

    2012.10.17  Study on high performance concrete using crushed sand is hardly found in Korea. In this study it was investigated that the effect of the crushed sand on fluidity and compressive strength properties of high

    consulter en ligne
  • (PDF) Mix proportioning and performance of a

    2014.3.1  Crushed stone sand has been identified as a potential substitute material for natural sand in making good quality concrete. The main objective of the present investigation is to determine an...

    consulter en ligne
  • Physical, mechanical properties and microstructure of

    2023.3.1  1. Introduction. Concrete is a mixture of cementitious material, aggregate, and water. Aggregates are essential granular materials used in civil engineering (Přikryl, 2021).They represent70 % to 85 % of the weight of concrete (Langer, 2016).Aggregate consists of manufactured crushed stone and sand created by crushing bedrock, and naturally occurring

    consulter en ligne
  • PROPERTIES OF CONCRETE USING CRUSHED

    2019.6.1  The aim of this study is to lessen the environmental problems produced by the dumping of waste from construction and demolition. ... while crushed concrete was used to replace up to 20% of coarse ...

    consulter en ligne
  • Exploratory study on the use of crushed cockle shell as partial sand ...

    2016.2.1  The increasing demand for natural river sand supply for the use in construction industry along with the issue of environmental problem posed by the dumping of cockle shell, a by-product from ...

    consulter en ligne
  • Gradation optimization of continuous-graded crushed sand

    2022.12.5  The gradation of crushed sand can be characterized by the fineness modulus, packing void fraction, ... Therefore, how to characterize crushed sand gradation and evaluate its effects on concrete, is still an unresolved problem. Well-packing and well-graded sand, is usually characterized with moderate specific surface area and relatively lower ...

    consulter en ligne
  • Structural Performance and Characteristics of Concrete with Crushed ...

    2022.4.25  One of the ideal solutions to this problem is replacing concrete constituents by recycled glass in crushed as well as powdered form. This paper presents the structural performance of concrete with inclusion of crushed glass in different percentage levels by weight of sand (0, 20, 40, 60, 80, and 100%). ... Rise straw ash are some of the proved ...

    consulter en ligne
  • New type of crushed sand to replace natural sand in concrete

    2015.2.4  There are two reasons for the sometimes high price for natural sand compared to crushed aggregate: First, a good quality sand can have a huge impact on the cement consumption (the highest share of concrete self-price) needed to produce concrete with desired properties; second, the availability of good natural resources is almost exhausted in ...

    consulter en ligne
  • Sand from the Rocks – New Type of Crushed Sand to replace Natural Sand ...

    2024.10.25  At the same time, the problems of achieving economical mixes with suitable workability (fresh state properties of concrete) are normally reported as the main problem that can render the use of crushed sand non-favorable in many cases. Performance of crushed Sand – Recent Findings

    consulter en ligne
  • A Review on Bond Strength of Concrete with Crushed Sand Fly

    2020.5.31  The strength of steel fiber reinforced natural sand concrete (SFRNSC) and steel fiber reinforced artificial sand concrete (SFRASC) have been compared with the test data from the present study.

    consulter en ligne
  • Influence of plastic viscosity of mix on Self-Compacting

    partial and full replacement for natural sand in concrete (Chow . et al. 2013, Mundra . et al. 2016, Prakash . et al. 2016). Natural sand generally contains organic impurities due to . which the properties of concrete prepared using natural sand would decline. CRF eliminates these problems as it is free from all these impurities.

    consulter en ligne
  • Concrete with Smart Material (Manufactured Crushed

    2013.12.17  concrete poses the problem of acute shortage in many areas. Use of Crushed sand in construction is nothing new in western world. It is being used there since few ... fracture energy of crushed sand concrete was slightly higher than that of river sand concrete. They say that it seemed to be due to very fine sand (VFS) included in crushed sand ...

    consulter en ligne
  • Physical, mechanical and thermal properties of Crushed

    2024.1.26  CMSS-2017 2100 2120 2140 2160 2180 2200 2220 2240 CSC SCRW 10%SCRW 20%SCRW 30%SCRW 40% Bulk density (kg/m 3) Fig.7 Bulk density of crushed sand concrete as function of spent rubber waste content ...

    consulter en ligne
  • Processing crushed rock fine to produce manufactured sand

    2013.12.1  River sand (RS) and crushed rock fine (CRF) have been used as fine aggregate in concrete for centuries. However, dredging river beds for RS is now banned in many places due to its adverse environmental impacts. On the other hand, CRF has the major problems of being angular in shape and containing excessive fines. To resolve these problems, the technology of

    consulter en ligne
  • Experimental evaluation of workability and compressive strength

    2015.11.15  In recent years, engineers and researchers in civil engineering have observed a depletion of aggregates. Among these aggregates, “crushed sand” plays an important part in the manufacturing of concrete because it influences the properties of fresh and hardened concrete (workability, mechanical strength and durability).The current standards have been adapted by

    consulter en ligne
  • Structural Performance and Characteristics of Concrete with Crushed ...

    2023.2.2  [Show full abstract] concrete with inclusion of crushed glass in different percentage levels by weight of sand (0, 20, 40, 60, 80, and 100%). View full-text Chapter

    consulter en ligne
  • (PDF) Mix proportioning and performance of a crushed

    2014.3.1  Satisfying the ever-growing demand of concrete aggregates poses a problem in many parts of the world due to shortage of natural sand. Moreover, to conserve natural resources and protect civil ...

    consulter en ligne
  • Study on Replacement of Sand in Concrete with Crushed Stone Dust

    2019.6.24  The suitability of crushed stone dust waste as fine aggregate for concrete has been assessed by comparing its basic properties with that of conventional concrete made with natural sand.

    consulter en ligne
  • Experimental evaluation of workability and compressive strength

    2015.11.15  In recent years, engineers and researchers in civil engineering have observed a depletion of aggregates. Among these aggregates, “crushed sand” plays an important part in the manufacturing of concrete because it influences the properties of fresh and hardened concrete (workability, mechanical strength and durability).The current standards have been adapted by

    consulter en ligne
  • Effect of total substitution of crushed limestone sand on concrete ...

    2019.8.7  In addition, Ltifi and Zafar (2019) showed that the crushed sand concrete has shown better resistance against the strength development in saline curing conditions and corrosion. Some authors ...

    consulter en ligne
  • Feasibility study on impact of replacement of river sand with crushed ...

    2023.8.26  The research findings revealed that the distinctive surface qualities of crushed sand facilitate the production of high-strength concrete exhibiting an impressive slump range of 18.5 to 22 cm. remarkably, concrete samples exhibited commendable compressive strengths ranging between 114 and 122 MPa and 138 to 150 MPa at the 7-day and 28-day marks ...

    consulter en ligne
  • Impact of crushed limestone dust on concrete’s properties

    2021.1.1  In the study, a mix of M30 grade concrete was used and designed as per the guidelines of IS 10,262 2009 [33]. 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

    consulter en ligne