Replacement of Coarse Aggregate by Demolished Brick …

1) To determine the suitability of brick waste as replacement of coarse aggregate in concrete production. 2) To investigate the mechanical and physical properties of brick waste concrete 3) To compare the performance between concrete with brick waste as coarse aggregate partial replacement and conventional concrete (control concrete).

PROPERTIES OF RECYCLED AGGREGATE CONCRETE

recycled coarse aggregate typically ranges within the interval from 3.5% to 10%, and for the fine aggrega-te, within the interval from 5.5% to 13% [2,7]. According to the Japanese standard for the use of recycled aggregate as a component of concrete, there is a limit so that a coarse …

Coarse Aggregate Properties

Coarse Aggregate Properties. The properties of the coarse aggregate used in a concrete mixture affects the modulus for a few reasons. One property is the modulus of elasticity of the coarse aggregate. A higher aggregate modulus will result in a concrete having a higher modulus. As expected, a lightweight aggregate will have a lower modulus than ...

U RECYCLE GLASS AS A COARSE AGGREGATE IN CONCRETE

Using high proportion of aggregate in concrete lead to value addition for concrete, because it is inexpensive, economical and govern the engineering properties (Jayanandana and Jayasinghe, 1998). Most of the aggregates are obtained from the environment and numerous environmental problems and

CHAPTER 9 PHYSICAL PROPERTIES OF LIGHTWEIGHT …

2480 kg/m³) made with ordinary aggregates (sand, gravel, crushed stone). Concrete, sand lightweight-Concrete with coarse lightweight aggregate and normalweight fine aggregate. Concrete, semi-lightweight-Concrete made with a combination of lightweight aggregates (expanded, clay, shale, slag or slate or sintered fly ash) and

How does Aggregate Properties Affect Concrete?

Coarse aggregates have properties such as size, shape, moisture contents, specific gravity, density etc. which affects concrete strength and durability in many ways. These effect of aggregate properties on concrete are discussed in detail. Concrete is a mixture of cementitious material, aggregate and water. Aggregate is commonly considered inert filler, which accounts for 60 to […]

3 COMPRESSIVE STRENGTH OF CONCRETE USING NATURAL ...

concrete. Aggregate properties significantly affect the workability of plastic concrete and also the durability, strength, thermal properties, and density of hardened concrete. The importance of using the right type and quality of aggregates cannot be overemphasized. The fine and coarse aggregates

HOW AGGREGATE PROPERTIES AFFECTS CONCRETE PROPERTIES?

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 ...

Improvement Properties of Recycle Concrete using Clay ...

Many research studied the effect of this recycle aggregates on the properties of concrete. Chemical admixtures and cement content play an important role in the production of recycle concrete. This research is to establish the improvement properties of recycle concrete using clay brick as a coarse aggregate.

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 12.5 mm (Y, in.) (ACI 363-95).

PROPERTIES OF AGGREGATES FOR CONCRETE - Civil Engineering ...

Although aggregates are most commonly known to be inert filler in concrete, the different properties of aggregate have a large impact on the strength, durability, workability, and economy of concrete. These different properties of aggregate allow designers and contractors the most flexibility to meet their design and construction requirements.

Aggregates: Physical Properties and Mechanical Properties

Physical Prosperities of Aggregate : Grading Grading is the particle-size distribution of an aggregate as determined by a sieve analysis using wire mesh sieves with square openings. As per IS:2386(Part-1) Fine aggregate : 6 standard sieves with openings from 150 μm to 4.75 mm. (150 μm, 300 μm, 600 μm, 1.18mm, 2.36mm,

WHAT ARE THE PROPERTIES OF AGGREGATES FOR CONCRETE ...

Oct 01, 2016· For the preparation of economical concrete mix on should use largest coarse aggregates feasible for the structure. IS-456 suggests following recommendation to decide the maximum size of coarse aggregate to be used in P.C.C & R.C.C mix. Maximum size of aggregate should be less than. One-fourth of the minimum dimension of the concrete member.

Recycled Plastics as Coarse Aggregate for Structural Concrete

The use of plastic is increasing day by day, although steps were taken to reduce its consumption. This creates substantial garbage every day which is much unhealthy. A healthy and sustainable reuse of plastics offers a host of advantages. The suitability of recycled plastics as coarse aggregate in concrete and its advantages are discussed here.

MECHANICAL PROPERTIES OF CONCRETE USING NICKEL …

The use of nickel slag as coarse aggregate in concrete mixture can improve the mechanical properties of the concrete. The compressive strength, splitting tensile strength and modulus of elasticity ...

Rheological Properties of Recycled Aggregate Concrete ...

The development of recycled aggregates concrete in the current context of sustainable development is a lot at stake in terms of economy and environment for the sector of building [1, 2]. The use of demolished concrete as aggregate for concrete requires checking that characteristics of these aggregates stay acceptable regarding standards.

MECHANICAL PROPERTIES OF CONCRETE USING COCONUT …

focus was made on the coarse aggregates and an attempt was made to replace th e conventional coarse aggregates using coconut shells in concrete. A control mix was designed for M 25 grade of co ncrete and then the crushed granite aggregates were replaced with coconut shells by volume in different levels such as 20%, 40 %, 60%, 80% and .

Coarse Aggregates: Types, Properites & Applications

Jan 03, 1985· Effects of using recycled concrete of different qualities as coarse aggregate upon the strength and deformation of concrete are reported. Tests on the aggregates showed that the recycled concrete ...

PROPERTIES OF AGGREGATES FOR CONCRETE - CivilBlog.Org

Sep 03, 2017· The choice of aggregate is determined by the proposed use of the concrete. Normally sand, gravel, and crushed stone are used as aggregates to make concrete. The aggregate should be well-graded to improve packing efficiency and minimize the amount of cement paste needed. Also, this makes the concrete more workable.

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

Coarse Aggregate in concrete was considered as chemically inactive and acts as a filler material only.The coarse aggregates are used for the manufacturing of mortar and concrete.. In this article, you will get to know all about coarse aggregates, classification of coarse aggregate, properties of the coarse aggregates and the different tests which are performed on the Coarse Aggregates.

Some Properties of Self Compacting Concrete by Using ...

aggregate is the continued use of traditional coarse aggregate (gravel) without alternative, which may lead to reduce or carry out it in the quarry and the use of natural sources in Iraq and other country. (Ozturan and Cecen 1997) [9] studied the effect of coarse aggregate type on mechanical properties of concrete with different strengths.

Effect of coarse aggregate type on mechanical properties ...

Feb 01, 1997· Concretes with 28 day target compressive strengths of 30, 60 and 90 MPa were produced using basalt, limestone and gravel coarse aggregates. The gravel aggregate concrete with 90 MPa target strength was also replicated by using a cement of …

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

Jan 05, 2021· Coarse Aggregate in concrete was considered as chemically inactive and acts as a filler material only.The coarse aggregates are used for the manufacturing of mortar and concrete.. In this article, you will get to know all about coarse aggregates, classification of coarse aggregate, properties of the coarse aggregates and the different tests which are performed on the Coarse Aggregates.

Vol. 3, Issue 11, November 2014 Experimental Investigation ...

ABSTRACT: This study deals with the different properties of Geo Polymer concrete using fly ash and pebbles as coarse aggregate. Potassium hydroxide and sodium hydroxide solution are used as alkali activators. The strength is compared with Geo polymer concrete and conventional concrete. Fly ash-based Geo polymer concrete is a new

Properties of plain concrete made with mixed recycled ...

Dec 01, 2012· The present study aimed to explore the viability of manufacturing plain concrete with a commercial mixed recycled aggregate, i.e., using the material as delivered with no laboratory manipulation, based on the determination of the variations in the physical–mechanical characteristics of concretes when natural coarse aggregate was replaced with ...


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