pdf properties of concrete with recycled coarse

(PDF) Properties of Concrete Made With Recycled Coarse ...

Demolition of old buildings has produced a large amount of waste material. In this paper, experiments were performed to design the mix proportion of concrete made with recycled coarse aggregate ...

Properties of plain concrete made with mixed recycled ...

Highlights Plain concrete made with mixed recycled aggregate. Replacement rates 50% and 100%. Physical-mechanical properties and stress-strain relations were obtained. Reduction of workability, compressive strength and longitudinal modulus of deformation with replacement rate. Increased failure strain with replacement rate.

The Effect of Fine and Coarse Recycled Aggregates on Fresh ...

rate is high. The longitudinal strain of the recycled concretes goes up with the percentage of recycled coarse aggregate used [30]. However, there are two main methods to enhance the properties of recycled concrete aggregates in order to improve concrete properties; 1) removing the adhered mortar, and 2) strengthening the adhered mortar.

(PDF) Assessment of Properties of Recycled Coarse Aggregate ...

Test and analyses has been carried out to establish relationships among the compressive strength, split tensile strength and shear strength of concrete using recycled coarse aggregate. Two different arrangements have been used to determine the shear

The Mechanical Properties of Concrete Prepared with Recycled …

2016. 2. 6. · the Crushed Bricks (Brick ships) in the mechanical properties of concrete prepared with recycled aggregates. Four mixes of concrete with target compressive cube strength of 25MPa were firstly casted using normal aggregate and different percentage of recycled coarse aggregate. Then recycled aggregates were

Research Article Properties of Self-Compacting Concrete with Recycled Coarse …

2019. 7. 30. · Research Article Properties of Self-Compacting Concrete with Recycled Coarse Aggregate W.C.Tang, 1 P.C.Ryan, 2 H.Z.Cui, 3 andW.Liao 4 School of Architecture and Built Environment,e University of Newcastle, Callaghan, NSW , Australia College of Engineering and Informatics, National University of Ireland, Galway, Ireland

(PDF) MECHANICAL PROPERTIES OF SELF COMPACTED CONCRETE OF M45 WITH RECYCLED COARSE …

Self Compacting Concrete (SCC) can be defined as a concrete that is able to flow under its own weight and completely fill the formwork, even in the presence of dense reinforcement without any compaction, while maintaining the homogeneity of the

recycled aggregate concrete flexural behaviour using flyash

Jun 2, 2020 — replaces coarse aggregate (RAC) with recycled aggregate by 25%, ... Concrete. Properties. Such materials can be supplemented by cement,.

(PDF) PROPERTIES OF CONCRETE MADE WITH RECYCLED COARSE AGGREGATES FROM OLD CONCRETE ...

Sustainability in the construction industry is a global concern, and one way of handling this is the idea of recycling old concrete rubbles in the production of fresh concrete. Recycled aggregate concrete is normally classified as light weight

Mechanical properties of recycled aggregate concrete ...

coarse aggregate, which is generated from construction and demolition waste, on the properties of recycled aggregate concrete. An experimental investigation ...

Mechanical properties of concrete containing recycled coarse ...

This paper presents the effect of recycled coarse aggregate (RCA) of 50% and 100% by wt. on compressive strength and elastic modulus of concrete at elevated temperatures of 600 and 800 °C. The residual compressive strengths of above recycled aggregate concretes after exposure to elevated temperatures are also evaluated and compared to those ...

The effect of recycled coarse aggregate (RCA) - MATEC Web ...

This study aims to observe concrete mechanical properties using RCA with surface treatment. Acrylic-based material is used to treat the surface of recycled coarse.

PDF Study of Properties of Sustainable Concrete using Slag and ...

green recycled aggregate concrete. Workability ranges from 120 to 130 mm. Mean compressive strengths at 2, 7, 28, 60 and 90 days were 18, 35, 46, 52 and 54 MPa, respectively. Splitting tensile strength was 3 MPa. [4]Khaldoun Rahal studied the mechanical properties of concrete with recycled coarse aggregate. The cube and

Properties of recycled concrete aggregate under different curing …

2017. 1. 14. · The coarse recycled concrete aggregate was obtained by crushing a laboratory produced primary concrete at age of 28 days. About 250 cubes of dimension 15 * 15 * 15 cm were crushed to produce the recycled coarse aggregates using mix design No.1 (Table 1). After crushing of these cubes, the max-imum nominal size of recycled coarse aggregate used ...

Study of Properties of Sustainable Concrete using Slag and ...

Objective of this study is to assess the properties of concrete that combine both supplementary cementitious materials, ground granulated blast furnace slag and recycled coarse aggregate. [1] M.L. Berndt studied the properties of sustainable concrete containing fly ash, slag and recycled concrete aggregate.

experimental investigation for recycled coarse ... - TJPRC

Basic concrete properties like compressive strength, workability etc. are explained here for different combinations of recycled course aggregate with natural ...

(PDF) MECHANICAL PROPERTIES OF SELF COMPACTED CONCRETE OF M45 ...

Self Compacting Concrete (SCC) can be defined as a concrete that is able to flow under its own weight and completely fill the formwork, even in the presence of dense reinforcement without any compaction, while maintaining the homogeneity of the

Properties of Concrete with Recycled Concrete ... - MDPI

Mar 22, 2020 — Recycled concrete aggregate (RCA) is a shredded waste generated during ... materials were used: Portland cement, natural coarse and fine ... by J Pizoń · ‎2020 · ‎Cited by 4 · ‎Related articles

Study of Properties of Concrete using GGBS and Recycled ...

TABLE 4 PROPERTIES OF RECYCLED FINE AGGREGATE Sl. No. Name of Tests Result 1 Specific gravity 2.2 2 Water Absorption 3.6 % 3 Bulk Density 1.36 kg/l 4 Percentage voids 42.04 % E. Recycled Coarse Aggregate Recycled coarse aggregate obtained by the demolishing of a reinforced cement concrete staircase having age 25 years are www.ijert.org

Characteristics of Concrete Prepared with Metakaolin and ...

The study tries to demonstrate the effect of metakaolin to enhance the qualities of concrete prepared with natural coarse aggregates (NCAs) and recycled coarse aggregates (RCAs). Recycled aggregate concrete (RAC) mixes are made by substituting NCA with 100% RCA and ordinary Portland cement with 10, 15 and 20% metakaolin.

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