artificial fine aggregate used in concrete ppt

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BUILDING MATERIALS CONSTRUCTION PLANNING Department of

Uses Fine aggregates are used to prepare cement mortar lime mortar and cement concrete Course aggregates are used to prepare cement concrete bituminous pavement rigid pavement etc They are used in construction of beams columns slab lintel etc

aggregates for concretes ppt

aggregates for concretes ppt Properties of Concrete Concrete is an artificial conglomerate stone made essentially of Portland cement water and aggregat Properties of Concrete Keywords copper slag fine aggregate concrete strength workability density 1 Introduction Aggregates are considered one of the main constituents of concrete

artificial coarse aggregates used in railways

Coarse aggregate acts as inert filler material for concrete 7 Uses Fine aggregates are used in mortar plaster concrete filling of road pavement layers etc Coarse aggregates are mainly used in concrete railway track ballast etc Obtener precio Artificial Aggregate an overview ScienceDirect Topics 5 2 4 Artificial Aggregate Production

Ceramic Waste Effective Replacement Of Cement For

used as coarse aggregate The Coarse Aggregates from crushed Basalt rock conforming to IS 383 is being use The Flakiness and Elongation Index were maintained well below 15 e Fine aggregate Those fractions from 4 75 mm to 150 microns are termed as fine aggregate The river sand is used in combination as fine aggregate

Grading of aggregates

Besides artificial aggregates can be made by fly ash also Aggregates are mostly used in the construction industry It holds about 60 70 part in normal concrete Aggregate in concrete should chemically stable or inert Aggregates in the concrete are responsible for unit weight elastic modulus and thermal properties of the concrete

Design Guide on Use of High Strength Concrete

This design guide serves to extend the use of concrete beyond Grade 60 in the design of concrete only with HSC made with normal weight aggregates and it should not be use for light weight aggregate concrete tend to give better results Fine sands should be avoided particularly those with high absorption Superplasticisers

Standard Specification for Concrete Aggregates1

This standard has been approved for use by agencies of the Department of Defense 1 Scope 1 1 This specification defines the requirements for grading and quality of fine and coarse aggregate other than lightweight or heavyweight aggregate for use in concrete 2 1 2 This specification is for use by a contractor concrete

Aggregate in Concrete

DO use aggregate that s in compliance with ASTM C 33 Standard Specifications for Concrete Aggregates Aggregates must be sound clean hard durable and free of excessive fines or contaminates that can affect cement hydration or disrupt the paste aggregate bond DON T exceed limits for deleterious material content in fine and coarse aggregates

aggregates in concrete ppt

Artificial Fine Aggregate Used In Concrete Ppt recycled construction and demolition concrete waste as ppt aggregates crushers cost ppt on artificial sand as fine aggregates dust as fine aggregate hot products used for powerpoint presentation

PHYSICAL PROPERTIES OF AGGREGATES

Physical Properties of Aggregates 10 Fine Aggregate Angularity Measured on2 36 mm material Based on air voids in loosely compacted sample AASHTO T 304 Method A Standard Grading 1 18 mm to 0 150 mm Requirements depend on depth of layer within pavement traffic level

ACI mix design

Volume of dry rodded coarse aggregate per unit volume of concrete for different coarse aggregates and fineness moduli of fine aggregates ACI Mix Design 8 Estimation of fine aggregate content There are two standard methods to establish the fine aggregate content the mass method and the volume method We will use the volume method

Replacement of Fine Aggregates by Recycled Construction

31 12 2018  Reinstating of fine aggregates in a concrete is studied with five incremental ratios such as 20 40 60 80 and 100 Since debris are coated with fine cementitious particles the water absorption potential will be high Hence the beneficiation process is carried out by acid treatment process

QUALITY ASSURANCE for AGGREGATES

as compared to other shapes Hence for a given aggregate cement ratio in a concrete mix workability will be higher if rounded aggregates are used as compared to others Sieve size Rounded Irregular Crushed 40 mm 20 mm 10 mm 4 8 mm Fine Flaky aggregate are the aggregates whose least dimension is less

EFFECTS OF AGGREGATE TYPE SIZE AND CONTENT ON CONCRETE

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 There has not been much research on the effects of coarse aggregate content on the fracture energy of concrete

14 Properties Of Aggregates And Its Importance Civil

Provides strength The aggregates are used as an important ingredient in the preparation of concrete The fine aggregates are used in concrete as a filler material and the coarse aggregates give the compressive strength to the concrete When we estimate the concrete quantity the aggregates will occupy 70 to 75 of the volume

newzealand sand aggregates production ppt

AggregatesSlideShare Nov 14 2013 Fine Aggregates Fine aggregate is defined as material that will pass a No 4 sieve and will for the most part be retained on a No 200 sieve 11 Types Of Fine Aggregates Sand Stone dust Cinder Surkhi 12 Sand The first type of fine aggregate is Sand Sand is little particles of silica PDF Get price

Aggregates for Use In Concrete

Aggregates for Use In Concrete 2 Learning Objective Develop a basic understanding of aggregates and aggregate properties 2/12/2015 2 3 Aggregates Fine Coarse Salts Artificial Aggregate Maximum Size Toughness Wear Permeability Coarse Aggregate Mineral Composition Particle Shape Surface Characteristics Organic

Classification of Aggregates

Lightweight aggregates As mentioned in the body of this paper lightweight concrete contains aggregate that is natural or synthetic which weighs less than 1100 kg/m 3 The lightweight is due to the cellular or high internal porous microstructure which gives this type of aggregate a

PDF FIBRE REINFORCED CONCRETE

Synthetic fiber reinforced concrete uses plastic and nylon fibers to improve the concrete s 2 1 2 FINE AGGREGATE River sand was used and tests were conducted as per IS 2386

properties of recycled aggregates to be used in concrete ppt

PPT CIVIL PROJECT PPT RECYCLED AGGREGATE CONCRETE The characteristic of recycled aggregates could be different by its parent concrete because the parent concrete was designed for its purposes such as permeability durability and high strength concrete f HISTORICAL BACKGROUND The applications of recycled aggregate in the construction areas are wide and they had been used

Recycle of E Waste in Concrete

particles can be used as coarse aggregate fine aggregate fine filler in concrete depending on its chemical composition and particle size E Waste in the form of loosely discarded surplus obsolete broken electrical or electronic devices from commercial informal recyclers have been collected which were crushed and ground to the particle size

IS 383 1970 Specification for Coarse and Fine

0 2 1 The requirements for aggregates for mass concrete have been included and it is proposed to withdraw IS 515 1959 when this standard according to the grading characteristics of the fine aggregates used the ratio of fine to coarse aggregate being reduced as the fine aggregate becomes finer from Grading Zones I to IV

Different Types of Aggregate Types of Concrete Each Should

Fine Aggregate Fine aggregates are used for creating thinner concrete slabs and bases mortar plaster and general repairs The smaller finer particles help to fill any voids and through this produces a very smooth finish Also finer aggregates improve the workability of a concrete mix Fine aggregate to be used in thinner concrete slabs and

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATE

fine aggregate specific gravity and absorption for mineral aggregates used in asphaltic concrete other than asphaltic concrete friction course shall be determined on pass No 4 material Fine aggregate as herein referenced will be either pass No 4 or pass No 8 material

Effects of Aggregate Size Shape and Surface Texture on

Aggregate size is considered to include maximum size size range and gradation The earliest bituminous mixtures used the finer aggregate sizes and are generally re ferred to as sheet mixtures When small amounts of coarser aggregates were added to the fine aggregate bitumen mixture the mixtures were known as stone filled sheet mixtures

Types Of Aggregates For Concrete

2019 11 27The main objective of aggregate is to unite the concrete There are two types of aggregates like fine and coarse aggregates Both can be applied to develop concrete and available in the foundation of a road or even on the roof of a building Give below the basic differences among fine aggregates and coarse aggregates

Artificial Sand And Artificial Aggregate

In the first one Tra ditional constituents were used cement sand gravel and water Raw Materials For Making Artificial Aggregate literature review of artificial sand as fine aggregates Fine aggregate is an important component of concrete because properties of aggregate influence the durability and presentation of concrete

Inspection Sampling Procedures for Fine Coarse Aggregates

205 Acceptance Procedures for Dolomite Aggregates 206 Scratch Hardness of Coarse Aggregate Particles 207 Sampling Stockpiled Aggregates 209 Soundness of Aggregates by Freezing and Thawing in a Brine Solution 210 Class AP Coarse Aggregate for Concrete Pavement and Slab on Grade Concrete

Functions Of Fine and Coarse Aggregate in Concrete Civil

29 05 2019  Fine aggregates perform the following functions 1 It assists in producing workability and uniformly in mixture 2 It assists the cement paste to hard the coarse aggregate particles 3 It helps to prevent possible segregation of paste and coarse aggregate particularly during the transport operation of concrete for a long distance 4

5 Eco Friendly Alternative Aggregates for Concrete

21 11 2020  Glass can be used as a replacement to fine aggregates in concrete It is broken down into a sieve size of #8 and #4 Few studies produced washed glass sand to gain the Fineness Modulus of natural sand Cement coarse aggregates and glass aggregates are the constituents of this green concrete

PDF Traditional Building Materials in Construction Sand

Cement and sand are generally The soil which is used for preparing used as binding materials whereas sand mud mortar should be free from grass surkhi cinder are used as fine aggregates pebbles etc and crushed stones gravel broken bricks These are the cheapest mortars but etc are used as coarse aggregates in weakest in strength

Artificial Fine Aggregate

Artificial Sand As Fine Aggregates Ppt Artificial Sand As Fine Aggregate In Sfrc Strength and durability studies on concrete with flyash and artificial fly ash and 50 of artificial sand for a concrete of grade m35aimed at utilizing quarry sand as fine aggregate replacing natural sand

SPECIFIC GRAVITY AND ABSORPTION OF FINE AGGREGATES

FINE AGGREGATES AASHTO T 84 GLOSSARY Absorption The increase in mass due to water in the pores of the material In Portland Cement Concrete the specific gravity of the aggregate is used in calculating the percentage of voids and the solid volume of aggregates in computations of yield

QUALITY ASSURANCE for AGGREGATES

as compared to other shapes Hence for a given aggregate cement ratio in a concrete mix workability will be higher if rounded aggregates are used as compared to others Sieve size Rounded Irregular Crushed 40 mm 20 mm 10 mm 4 8 mm Fine Flaky aggregate are the aggregates whose least dimension is less

artificial coarse aggregates used in railways

Artificial coarse aggregate used in railways artificial coarse aggregates used in railways artificial coarse aggregates used in railways Aggregate for home use Concrete Society provides Technical artificial coarse aggregates used in railways Aggregates are classified as coarse or sand fine depending on whether they pass through a 5 mm sieve They occur as uncrushed material

Aggregate in Concrete

DO use aggregate that s in compliance with ASTM C 33 Standard Specifications for Concrete Aggregates Aggregates must be sound clean hard durable and free of excessive fines or contaminates that can affect cement hydration or disrupt the paste aggregate bond DON T exceed limits for deleterious material content in fine and coarse aggregates