properties of concrete using pebbles as coarse aggregate

properties of concrete using pebbles as coarse aggregate

  • (PDF) Experimental Study on Pervious Concrete with Pebbles ...

    The results indicated that using of pebbles as coarse aggregate shows sufficient strength, permeability and durability properties. The strength parameters and permeability parameters met the requirements and pervious concrete made with pebbles as a coarse aggregate can be used for sustainable pavement construction.

  • 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.

  • 3 Aggregate Properties

    The best aggregates to use for strength are crushed stone or crushed gravel. Crushed aggregate have irregular, angular particles that tend to interlock when compacted or consolidated. The crushed stone or crushed gravel aggregate make the asphalt or concrete mix somewhat difficult to place. To improve the workability, many mixes contain both ...

  • The Effect of Aggregate Properties on Concrete

    The Effect of Aggregate Properties on Concrete Concrete is a mixture of cementious material, aggregate, and water. Aggregate is commonly considered inert filler, which accounts for 60 to 80 percent of the volume and 70 to 85 percent of the weight of concrete.

  • 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 ...

  • WHAT ARE THE PROPERTIES OF AGGREGATES FOR CONCRETE ...

    Composition. Aggregates consisting of materials that can react with alkalies in cement and cause
  • aggregate Topic - American Concrete Institute

    Oct 01, 2019  Aggregates are the major constituent (ingredient) in concrete, making up 60% to 70% of the volume of concrete. Aggregates influence the workability of plastic concrete and also the durability, strength, thermal properties, and density of hardened concrete. Particle size divides aggregates into two categories: fine and coarse. Most fine aggregates are sand and contain particles smaller than 3/8 ...

  • 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 ...

  • Waste Concrete as Aggregate for New Concrete

    The strength of the aggregate-matrix mortar bond is reduced to about 55 to 88 percent of the strength of the control when conventional coarse aggregates are replaced with pieces of old concrete. Furthermore, recycled aggregate concrete is equally workable as the control, and has a compressive strength of at least 76 percent and a modulus of ...

  • Authors: S FrondistouyannasAbout: Composite material Demolition Young's modulus Compressive strength Waste tr
  • Aggregates - cement.org

    Coarse aggregates are any particles greater than 0.19 inch, but generally range between 3/8 and 1.5 inches in diameter. Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of the remainder. Natural gravel and sand are usually dug or dredged from a pit, river, lake, or seabed.

  • A study of concrete properties using phyllite as coarse ...

    A study of concrete properties using phyllite as coarse aggregates Article in Materials and Design 31(9):4561-4566 October 2010 with 708 Reads How we measure 'reads'

  • properties of concrete using pebbles as coarse aggregate

    Mechanical Properties Of Recycled Aggregates Concrete. In the world of construction, concrete like other materials is playing an important role in development. concrete is a composite material which is a mixture of cement, fine aggregate, coarse aggregate and water .The major constituents of which is natural aggregate such as gravel, sand, Alternatively, artificial aggregates such manufactured ...

  • properties of concrete using pebbles as coarse aggregate

    The characteristic properties of concrete such as ... coarse aggregate with crushed coconut shell aggregate were reviewed in the present ... aggregate namely gravel and fine aggregate is sand in concrete will be used as control.

  • Mechanical properties of recycled concrete made with ...

    Mar 01, 2017  One of the most important issues that determine many properties are the types of coarse aggregate in recycled concrete. This paper is arming to experimental study the influence of two different types of coarse aggregate (recycled crushed rock aggregate and recycled pebbles aggregate) on the mechanical properties of recycled concrete.

  • Properties Of Concrete - What Is Concrete Made Of?

    2. A high quality concrete using the lowest water-cement ratio possible, using the proper size coarse aggregate practical for the job you're doing, using the optimum ratio of fine to coarse aggregate. 3. For hardened concrete resistance to freezing and thawing, deicing chemicals, wear resistance, strength, and low permeability (water tightness).

  • Classification of Aggregates as per Size and Shape -Coarse ...

    Aggregates can be classified in many ways. Classification of aggregates based on shape and size such as coarse and fine aggregates are discussed here, Aggregates are the important constituents of the concrete which give body to the concrete and also reduce shrinkage. Aggregates

  • Uses of Aggregates in Construction, Roads, Railway and Other

    Aggregates are the most mined material in the world. Construction aggregate is a broad category of granular raw material of different sizes (sand, gravel, crushed stone, slag, recycled concrete etc) used in construction. Aggregate can be used in a number of ways in construction. In roads and railway ballast the aggregates are used to resist the overall (static as well as

  • aggregate Topic - American Concrete Institute

    Oct 01, 2019  Aggregates are the major constituent (ingredient) in concrete, making up 60% to 70% of the volume of concrete. Aggregates influence the workability of plastic concrete and also the durability, strength, thermal properties, and density of hardened concrete. Particle size divides aggregates into two categories: fine and coarse. Most fine aggregates are sand and contain particles smaller than 3/8 ...

  • Aggregates - cement.org

    Coarse aggregates are any particles greater than 0.19 inch, but generally range between 3/8 and 1.5 inches in diameter. Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of the remainder. Natural gravel and sand are usually dug or dredged from a pit, river, lake, or seabed.

  • Properties of Aggregates and its Values for use in ...

    Properties of Aggregates and its Values for use in Construction. Properties of aggregates such as bulk density, specific gravity, voids, water absorption and its values are presented in this article.

  • Properties of concrete aggregates - The Concrete Portal

    The overall objective is to use a combination of coarse and fine aggregate in concrete in such as way as to get a continuous gradation of sizes, to ascertain the best packing of the aggregate. This issue will be addressed later in the Mixture Design link.

  • Aggregates for Concrete - Civil Engineering

    Coarse aggregates (Fig. 5-2) consist of one or a com-CHAPTER 5 Aggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (0.2 in.) and generally between 9.5 mm and 37.5 mm (3⁄ 8 in. and 11⁄ 2 in.). Some natural aggregate deposits, called pit-run gravel

  • Authors: J SingletongreenAbout: Fineness Grading Absorption Impurity Bulk density Specific gravity
  • Using Igneous Rocks as a Coarse Aggregate in Concrete

    / Using Igneous Rocks as a Coarse Aggregate in Concrete 2.1.4 Silica fume A mineral admixture (silica fume) was used in the design of the concrete mix, Silica fume is produces by the Ferro Silicon Alloys factory in Edfu, Aswan, with a specific gravity equal 2.25 and specific surface area of 17×103m2/kg. 2.1.5 Super plasticizer (Viscocrete ...

  • Effect of Strength Properties on Concrete by Partial ...

    aggregate as coarse aggregate by replacing natural coarse aggregate at 0, 20, 40, 60, 80 and 100%. Due to the characteristics and behavior of ceramic waste aggregate, strength properties of the ceramic waste aggregate concrete is declining. A mathematical model is developed for

  • Properties of concrete aggregates - The Concrete Portal

    The overall objective is to use a combination of coarse and fine aggregate in concrete in such as way as to get a continuous gradation of sizes, to ascertain the best packing of the aggregate. This issue will be addressed later in the Mixture Design link.

  • Aggregates for Concrete - Civil Engineering

    Coarse aggregates (Fig. 5-2) consist of one or a com-CHAPTER 5 Aggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (0.2 in.) and generally between 9.5 mm and 37.5 mm (3⁄ 8 in. and 11⁄ 2 in.). Some natural aggregate deposits, called pit-run gravel

  • Authors: J SingletongreenAbout: Fineness Grading Absorption Impurity Bulk density Specific gravity
  • Using Igneous Rocks as a Coarse Aggregate in Concrete

    / Using Igneous Rocks as a Coarse Aggregate in Concrete 2.1.4 Silica fume A mineral admixture (silica fume) was used in the design of the concrete mix, Silica fume is produces by the Ferro Silicon Alloys factory in Edfu, Aswan, with a specific gravity equal 2.25 and specific surface area of 17×103m2/kg. 2.1.5 Super plasticizer (Viscocrete ...

  • Qualities Properties of Aggregates for Concrete

    Nowadays use of concrete is increased day by day which increases the demands of aggregates. To meet these needs of the construction industries, concrete experts carry out research on concrete and developed the new artificial aggregates. These new aggregates have almost same properties as natural aggregates.

  • Properties of aggregate and their behaviour in concrete ...

    Coarse Aggregate: Most commonly used coarse aggregates in residential concrete are gravel and crushed stone. Coarse aggregates must be sound, volume stable, non reactive, abrasion resistant, suitably shaped, rough textured, well graded and clean.. Behaviour of coarse aggregates in concrete: Smooth and rounded shape coarse aggregates produce concrete with better workability.

  • Expansion and strength properties of concrete containing ...

    In the third group, both sand and gravel were substituted by contaminated recycled concrete aggregate, while the fourth group was directed to investigate the effect of silica fume on concrete made with recycled concrete aggregate. The measured properties were expansion, compressive strength, splitting tensile strength and modulus of rupture.

  • How does the aggregate shape influence the properties of ...

    There are usually two classes of aggregate in concrete, fine aggregate, and coarse aggregate. The fine aggregate should be considered “sharp” in most design mixes, since combined with the cement and fly ash, this becomes the “paste”, or the glue t...

  • What are the properties of aggregate for concrete - Answers

    Oct 24, 2009  No-fines concrete as the term implies, is a kind of concrete from which the fine aggregate fraction has been omitted. This concrete is made up of only coarse aggregate

  • EXPERIMENTAL STUDY ON STRENGTH OF CONCRETE USING

    2.3 Properties of coarse aggregate The material retained on 4.75mm sieve is termed as coarse Aggregate. Crushed stone and natural gravel are the common materials used as coarse aggregate for concrete. Coarse aggregate are obtained by crushing various types

  • Effect of Strength Properties on Concrete by Partial ...

    aggregate as coarse aggregate by replacing natural coarse aggregate at 0, 20, 40, 60, 80 and 100%. Due to the characteristics and behavior of ceramic waste aggregate, strength properties of the ceramic waste aggregate concrete is declining. A mathematical model is developed for

  • Prediction of Concrete Properties Using Coarse Aggregate ...

    Prediction of Concrete Properties Using Coarse Aggregate Chemical Composition Data TERRY DossEY, HUMBERTO CAsTEDo, AND B. FRANK McCULLOUGH Regression models that predict the compressive strength, tensile strength, modulus of elasticity, and drying shrinkage of concrete made with several coarse aggregates are presented in this paper.

  • Mechanical Properties of Concrete Using Steel Slag

    Mechanical Properties Of Concrete Using Steel Slag Aggregate ijeijournal Page 9 improvement in compressive strength, split tensile and flexure strength over control mixes by 4 to 8 %. The replacement of 100 % slag aggregate (coarse) increased concrete density by about 5 to 7 %

  • Properties of Concrete Using Crushed Clinker Brick as ...

    Due to some inefficiency in some of the brick-producing kilns in Iran, and also due to some methods of brick production in general, about 1 percent of all bricks produced is classified as clinker brick. The objective of this study was to make use of this industrial waste as coarse aggregate in concrete.

  • Published in: Aci Materials Journal 1994Authors: Ali R KhalooAbout: Brick Strength of materials Sewage treatment Clinker
  • Shape, Size - Coarse Aggregates

    Nearly all natural aggregates originate from bed rocks. There are three kinds of rocks, namely, igneous, sedimentary and metamorphic. In such, many properties of aggregate depend on the properties of the parent rock itself. Coarse aggregates are classified into two main groups: (i) single-size aggregate and (ii) graded aggregate.

  • Classification of Aggregates as per Size and Shape -Coarse ...

    Aggregates can be classified in many ways. Classification of aggregates based on shape and size such as coarse and fine aggregates are discussed here, Aggregates are the important constituents of the concrete which give body to the concrete and also reduce shrinkage. Aggregates

  • EXPERIMENTAL STUDY ON STRENGTH OF CONCRETE USING

    2.3 Properties of coarse aggregate The material retained on 4.75mm sieve is termed as coarse Aggregate. Crushed stone and natural gravel are the common materials used as coarse aggregate for concrete. Coarse aggregate are obtained by crushing various types

  • COMPARITIVE STUDY ON ENGINEERING PROPOERTIES OF

    different types of coarse aggregates (Crushed coarse Aggregate, River Bank Gravel Coarse Aggregate and Lag Gravel Coarse Aggregate) were used in this investigation. Hence, this study is carried out to investigate the engineering properties and performance of conventional concrete with three different types of coarse in the Jimma zone.

  • Aggregates of Concrete - SlideShare

    Mar 02, 2017  Aggregates of Concrete 1. ... • Coarse AggregateCoarse Aggregate • Gravel and crushed stone.Gravel and crushed stone. • >4.75 mm.>4.75 mm. • Typically between 9.5 and 37.5 mm.Typically between 9.5 and 37.5 mm. 7. ... Physical Properties of Aggregate:Physical Properties of Aggregate: Flakiness IndexFlakiness Index • The flakiness index ...

  • Qualities Properties of Aggregates for Concrete

    Nowadays use of concrete is increased day by day which increases the demands of aggregates. To meet these needs of the construction industries, concrete experts carry out research on concrete and developed the new artificial aggregates. These new aggregates have almost same properties as natural aggregates.

  • Effect of Aggregate-Cement Ratio on Engineering Properties ...

    The study could further be extended by varying and introducing more parameters like grading in coarse aggregate. Use of other cementitious material like ultra fly ash cement, pozzolana with rice husk and formation of new pervious concrete by use of old recycled pervious concrete etc. and quantify their effect on overall permeability ...

  • 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.

  • Properties of aggregate and their behaviour in concrete ...

    Coarse Aggregate: Most commonly used coarse aggregates in residential concrete are gravel and crushed stone. Coarse aggregates must be sound, volume stable, non reactive, abrasion resistant, suitably shaped, rough textured, well graded and clean.. Behaviour of coarse aggregates in concrete: Smooth and rounded shape coarse aggregates produce concrete with better workability.

  • Influence of Aggregate Characteristics on Concrete

    and 0.37 for those based on the ternary blend binder. With the exceptions of relating concrete modulus to aggregate modulus and concrete coefficient of thermal expansion (CTE) to aggregate CTE, weak correlations were generally obtained between a single aggregate characteristic and concrete performance properties.

  • Use of recycled concrete aggregate in concrete: a review ...

    AbstractThe use of recycled concrete aggregate (RCA) in concrete as partial and full replacements of natural coarse aggregate is growing interest in the construction industry, as it reduces the demand for virgin aggregate. In addition, the use of RCA leads to a possible solution to the environmental problem caused by concrete waste and reduces the negative environmental impact of the aggregate ...

  • Effect of Recycled Coarse Aggregate on Concrete Properties ...

    Abstract. This research was conducted with the use of recycled aggregate as modification. In terms of the use of recycled aggregate, the percentage of recycled aggregate should be determined because the strength of concrete would not be obtained by the high percentage of recycled aggregate.The scope of study is about comparison between recycle coarse aggregate and natural aggregate in terms of ...

  • Properties of Concrete with Tire Derived Aggregate ...

    Tire derived aggregate (TDA) has been proposed as a possible lightweight replacement for mineral aggregate in concrete. The role played by the amount of TDA replacing coarse aggregate as well as different treatment and additives in concrete on its properties is examined. Conventional concrete (without TDA) and concrete containing TDA are compared by examining their compressive strength

  • Properties of Concrete as Influenced by Shape and Texture ...

    Shape and texture of aggregate is one of the major parameter that influence the properties of fresh and hardened state of concrete .The present methods on mix proportioning of normal concrete have incorporated shape characteristics of aggregate. Since the classification of aggregates is very broad .It often leads to inconsistent results and the property of concrete varies.

  • The Efficiency of Steel Slag and Recycled Concrete ...

    Oct 16, 2019  Experimental work was carried out to study the effect of using steel slag (SS) and recycled concrete aggregate (RCA) as replacements for the natural aggregate in concrete. Waste materials, such as SS, which is a by-product generated during the production of steel and concrete rubble, which is produced by demolition activities, are dumped in ...