alternatives for coarse aggregate in reinforced concrete

X.F. Nie et al, "Shear behavior of reinforced concrete ...

Sep 02, 2019· The volume replacement ratio of the coarse aggregate and the surface type of GFRP needles were chosen as the test parameters. GFRP needles, with either smooth or helically wrapped surfaces, were added to the concrete mix to replace 5% or 10% of coarse aggregate by volume, respectively.

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Expanded Fly Ash Clay Aggregate a Sustainable Alternative ...

An alternative sustainable coarse aggregate for natural coarse aggregate can reduce the amount of pollution and preserve natural resource. An attempt is made in this research project to use locally available soil from e site and flyash waste to prepare an alternative sustainable coarse th aggregate for concrete to be used in small constructions.

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(PDF) Characteristics of Steel Fiber Reinforced Concrete ...

The Recycled Coarse Aggregate (RCA) is partially replaced with the natural coarse aggregate (NCA) in concrete to analyze the mechanical properties of …

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JP6548245B1 - Coarse aggregate and reinforced concrete for ...

The present invention provides a new material that can contribute to the improvement of the tensile strength and bending strength of concrete as a coarse aggregate known to contribute to the improvement of the compressive strength of concrete. The coarse aggregate for iron concrete has anchor portions formed at both ends in the longitudinal direction.

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Use of Blast Furnace Slag Aggregate in Concrete

types of concrete mixes, i.e., one comprising blast furnace slag and the other comprising granite stone as coarse aggregates. The compressive strength of BFS aggregate concrete is higher than that of the stone aggregate concrete at the age of 90 days. 1.3.Slag- Manufacturing and Types In the production of iron, iron ore, iron scrap, and fluxes

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(PDF) BEHAVIOUR OF REINFORCED CONCRETE BEAMS WITH COCONUT ...

Downloaded from Students3k.com INTRODUCTION BEHAVIOUR OF REINFORCED The high demand for concrete in the construction using normal CONCRETE BEAMS WITH COCONUT weight aggregates such as gravel and granite drastically SHELL AS COARSE AGGREGATES reduces the natural stone deposits and this has damaged the environment thereby causing …

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(PDF) Bamboo as Eco-Green Alternative for Concrete ...

Coarse and fine aggregate quarry & Bamboo Petung's at North Maluku Province ... Bamboo as Eco-Green Alternative for Concrete Reinforcement that use ... In singly reinforced concrete beam the load ...

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The effect of using recycled aggregates on reinforced ...

In this research, an experimental study was conducted on /14/ reinforced concrete columns exposed to a compressive axial force, column dimensions are (250 x 250 x 1000) mm, the parameters in this research are the reinforcement ratios (1%, 1.62%) and the replacing ratios of natural coarse aggregate NA by recycled concrete coarse aggregate RA as ...

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Experimental Investigation on Partial Replacement of ...

Feb 13, 2021· Demolished waste as coarse aggregate in concrete. J. Acad. Indus. Res. Vol. 1(9) February 2013. In this experimental study, calculate the effect of partial replacement of coarse aggregate by demolished waste on workability and compressive strength of recycled concrete. Compressive strength observed for 7 and 28 days.

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(PDF) Concrete using Coconut Fiber –An Alternative ...

So from there comes the idea of Fibre reinforced concrete. Fiber reinforced concrete is concrete containing cement, water, aggregate, and discontinuous, uniformly dispersed or discrete fibers. It is a composite obtained by adding a single type or a blend of fibers to the conventional concrete mix.

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Notre Dame RCA Concrete Research | Problem Statement

RCA can achieve the requirements for coarse aggregates in building construction; however, the variability in material properties and quality needs to be quantified and incorporated into design. Little fundamental materials-level research exists on the effects of RCA on the mechanical (e.g., strength, stiffness, creep) properties of concrete.

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Experimental Behaviour Of Reinforced Concrete Beams With ...

Keywords: Experimental, Behaviour, Reinforced Concrete Beam, Coconut Shell, Coarse Aggregate 1. INTRODUCTION Concrete is world's most widely used construction material. The utilization of concrete is increasing at a higher rate due to development in infrastructure and construction activities all around the world. However there are some negative

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22 Concrete Alternatives for Driveways, Fence Posts and ...

Related: Circular Driveways A. Concrete Alternatives Generally. This section lists out substances that act like concrete but are different. 1. Greencrete. Greencrete or Geo-Green Crete is still in development, but it's becoming a more popular material to create eco-friendly walkways and driveways that are very comparable to concrete and also you can now Speak …

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Experimental Investigation on Jute Fibre Reinforced ...

Plastic waste is the major cause of environmental pollution and hence it should be recycled or reused to reduce it. Plastic wastes are used as fine aggregate in a severalquantities in the jute fibre reinforced concrete and check their aptness. This study investigates the effect of using plastic waste as an alternative for fine aggregate. The PET plastic bottle is injurious to land …

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EFFECTS OF AGGREGATE TYPE, SIZE, AND CONTENT ON …

smaller sized coarse aggregate produces higher strengths for a given water-to-cement ratio. In fact, it is generally agreed that, although larger coarse aggregates can be used to make high-strength concrete, it is easier to do so with coarse aggregates below …

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CHARACTERIZATION OF ECO-FRIENDLY REINFORCED …

REINFORCED CONCRETE AS AGGREGATE COCONUT SHELL REPLACEMENT 1Bhavesh Mantri,2Kamni Laheriya 1 M.tech Schlor, Civil Department, SSSUTMS, M.P.India 2 Assistant Professor, Civil Department, SSSUTMS, M.P.India ABSTRACT A wide variety of materials used in road construction i.e. soil, coarse aggregates, binders, bituminous materials,

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REINFORCED CONCRETE WITH COCONUT SHELL AS COARSE AGGREGATES

Aug 29, 2017· AIMS OF THE PROJECTA • 1.To determine various alternatives available for coarse aggregate. • 2.To carryout a detail analysis on coconut shells as a coarse aggregate in concrete. • 3.To prepare a methodology for the project & its analysis. • 4.To enlist advantages & short comes of coconut shell as a coarse aggregate material. • 5.To ...

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Sustainable Recycling of High-Strength Concrete as an ...

Apr 12, 2021· Natural coarse aggregate and recycled aggregate were added to the concrete in the following way: 33% mass of coarse aggregate—2.0–4.0 mm fraction size; 67% mass of coarse aggregate—4.0–8.0 mm fraction size. Waste aggregate was classiﬁed as RCAC II (aggregate from concrete rubble), according to the RILEM classiﬁcation [7].

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Mechanical Properties of Fiber Reinforced Concrete by ...

This has necessitated research for alternative cost of effective materials in construction. Therefore properties of concrete with Demolished concrete (D&C) waste are used as aggregate replacement of conventional aggregates and the study is done with M25 Grade Concrete.

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Flexural Behaviour Of Reinforced Concrete Beam Containing

granite, crushed rock, and stone from the quarries. Thus, as an alternative to replace the natural coarse aggregate, synthetic coarse aggregate is produced to overcome the ... The SYLCAG is used to replace partially function of natural coarse aggregate. A reinforced concrete beam was tested in the flexural beam test using the four-point loads ...

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The Use of Sawdust and Palm kernel Shell as Substitute for ...

6. Like all light weight aggregate, concrete made from shell may be useful for thermal insulation, in the making of pre-stressed concrete (Anthony, 2000). Sawdust as an aggregate in concrete: Sawdust can be used as alternative substitute for fine aggregate in concrete production. Sawdust should be washed and cleaned

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Experimental Investigation Of Waste Plastic Fiber In ...

Strength Concrete (FRHSC) which use recycled coarse aggregates that have originated from demolished construction wastes. Different mixes were taken with 20%, 40% replacement of natural coarse aggregate with recycled coarse aggregate. To improve the ductility and performance, 1% steel fiber is also added to the concrete.

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Concrete aggregate alternatives - Appropedia: The ...

May 10, 2021· Based on the findings from the list of materials, concrete with expanded polyethylene instead of rock is the best alternative for aggregate replacement. This material was the only one to still maintain enough strength to still be useable for structural projects and does not require machinery to break up tough materials.

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Evaluation of the Properties of Lightweight Concrete Using ...

(TympanotonusFuscatus) as an alternative to coarse aggregates in lightweight concrete; however, the compressive strength values obtained varied between12.12 Nmm-2and 25.67 Nmm-2 at 28 days which depends on mix proportion, type of coarse aggregate replaced by periwinkle shell and water cement ratio.

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Aggregate in Concrete - Concrete Network

Quality Counts. Make sure that your concrete producer purchases good-quality aggregate as verified by regular aggregate test results in compliance with ASTM C 33, "Standard Specifications for Concrete Aggregates." A history of good performance of a local aggregate also provides an indication of how well the material performs in service.

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Shear behavior of reinforced concrete beams made from ...

Jun 01, 2020· The reinforced concrete beams using recycled aggregates concrete shows similar shear behaviors as the beam with natural aggregate in terms load-deflection response. Considerable splitting cracks along the tension reinforcement were observed for recycled concrete beams, especially in the case of 100-100 beam when only fine and coarse recycled ...

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Shear Strength of Reinforced Concrete Beams Using Recycled ...

Nov 01, 2020· Title: Shear Strength of Reinforced Concrete Beams Using Recycled Coarse Aggregates without Stirrups. Author(s): Woosuk Kim, Thomas H.-K. Kang, Deuckhang Lee, Hajin Choi, and Yoon-Keun Kwak. Publication: Structural Journal. Volume: 117. Issue: 6. Appears on pages(s): 281-295

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[PDF] Study on Replacement of Coarse Aggregate by E-Waste ...

E-waste is used as one such alternative for coarse aggregate. Owing to scarcity of coarse aggregate for the preparation of concrete, partial replacement of E-waste with coarse aggregate was attempted. The work was conducted on M20 grade mix. The replacement of coarse aggregate with E-waste in the range of 0%, 5%, 10%, 15%, and 20%.

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What Is Coarse Aggregate | Requirements of Good Coarse ...

Coarse Aggregates in concrete provides body and strength to the concrete and acts as a filler material which will give the homogeneous mass of the concrete.. Coarse aggregates are used in every Construction projects which includes the construction of roads, Buildings, Railway Tracks etc.. Coarse Aggregate in concrete was considered as chemically inactive and acts as a filler …

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Performance of Waste Coconut Shell as Partial Replacement ...

extraction of aggregate from natural resources will lead to its depletion and ecological imbalance [3]. Researchers are in search of replaing coarse aggregate to form the concrete less c expensive and to lead sustainable development [4]. This envi-ronmental reason has generated a lot of concern in the con-struction world.

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Service-Load Behavior of Precast/Prestressed Concrete ...

While the use of recycled concrete aggregates (RCAs) is widespread as a sustainable alternative to coarse natural aggregates (NAs) in nonstructural concrete applications (for example, sidewalks and pavements), the effects of RCA in structural reinforced concrete members and assemblies (for example, beams, columns, and frames) are not as well known.

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Two Natural Rebar Alternatives for Concrete | Architect ...

May 18, 2015· ReforceTech, in Norway, has developed a novel version of CBF.Reinforced with basalt fibers, the company's 0.5- to 10-millimeter-diameter BFRP MiniBars are composed of fibers wrapped with polymer resin in a helical shape and can span from 20 millimeters to 200 millimeters in length. The bars are mixed directly into the concrete without impairing its workability, the …

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HOW TO DECIDE MAXIMUM SIZE OF COARSE AGGREGATE TO …

May 25, 2020· For heavily reinforced concrete members the nominal maximum size of the aggregate should be usually restricted to 6 mm less than the minimum clear distance between the main bar or 5 mm less than the minimum cover to the reinforcement, whichever is less. Where the reinforcement is widely spaced as in solid slabs, limitations of the size of the ...

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Reinforced Concrete Beams With Coconut Shell As Coarse ...

Feb 26, 2016· Reinforced Concrete Beams With Coconut Shell As Coarse Aggregates pdf download This has necessitated research into alternative materials of construction. The project paper aims at analyzing flexural and compressive strength characteristics of concrete produced using crushed, granular coconut as substitutes for conventional coarse aggregate with ...

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