Home--->artificial fine aggregate used in concrete ppt

  • Aggregates SlideShare

    14-11-2013· 7. Natural Aggregates Natural aggregates consists of rock fragments that are Used in their natural state, or are used after mechanical Processing such as crushing, washing, and sizing. 8. Artificial Aggregates For making special type of concrete we should make special type of artificial aggregates.

    Aggregates of Concrete SlideShare

    02-03-2017· The characteristics of aggregates impact performance of fresh andof aggregates impact performance of fresh and hardened concrete.hardened concrete. 3. Why use aggregateWhy use aggregate • Reduce the cost of the concreteReduce the cost of the concrete 1/4 1/8 of the cement– 1/4 1/8 of the cement priceprice • Reduce thermal crackingReduce thermal cracking 100 kg of

    Aggregates ppt SlideShare

    28-04-2013· It is usuallyconsidered to be the best fine aggregatefor use in mortar and concrete.(i) Pit or quarry sand: 9. 10(ii) River Sand:It is obtained from the banks andbeds of rivers. It may be fine orcoarse. Fine sand obtained frombeds and banks of rivers is oftenfound mixed with silt and clay so itshould be washed before use.

    type of aggregate SlideShare

    01-10-2016· • Artificial Aggregate: The most widely used artificial aggregate are clean broken bricks and air cooled fresh blast- furnace- slag. The broken bricks of good quality provide a satisfactory aggregate for the mass concrete and are not suitable for reinforced concrete work if the crushing strength of brick is less than 30 to 35 Map.

    Aggregates SlideShare

    14-01-2015· Lightweight aggregate Lightweight fine aggregate is any aggregate with bulk density less than 1120kg/m3 and lightweight coarse aggregate is any aggregate with bulk density less than 880kg/m3 . They are commonly used as ingredients in the manufacture of lightweight concrete, for making lightweight masonry blocks (to improved their thermal and insulating properties and nailing characteristic), and lightweight floor and roof slabs. 2 types of lightweight aggregate

    2.artificial aggregates.pptx ARTIFICIAL AGGREGATES

    View Notes 2.artificial aggregates.pptx from CTM MCE 201 at National Institute of Technology, Warangal. ARTIFICIAL AGGREGATES CONTENTS: 1.Different types of artificial

    Replacement of fine aggregate with plastic in concrete

    used as the replacement of fine aggregate in the concrete. Concrete cubes were cast taking 10%, 20%, 30 %, 40% & 50% of plastic as partial replacement of fine aggregate and tested for 7 & 28 days of compressive strength of concrete.

    SHAPE ANALYSIS OF FINE AGGREGATES USED FOR CONCRETE

    Image Anal Stereol 2016;35:159-166 doi: 105566/ias.1400 Original Article 159 SHAPE ANALYSIS OF FINE AGGREGATES USED FOR CONCRETE HUAN HE,1,2, LUC COURARD2, ERIC PIRARD2 AND FREDERIC MICHEL2 1College of Architecture and Civil Engineering, Beijing University of Technology, Pingleyuan 100, 100122 Beijing, P.R. China; 2GeMMe, Minerals Engineering-Materials-Environment,

    Lecture 4. Aggregates Aalto

    • Artificial aggregates are made out of various waste materials. • Artificial aggregates are sometimes produced for special purposes: for making lightweight concrete: burned clays, artificial cinders, foamed slag, expanded shales and slate, sintered fly ash exfoliated vermiculite are used for making heavy- weight concrete: steel rivet

    (PPT) plastic used in concrete AbuZaid Shaikh

    Academia.edu is a platform for academics to share research papers.

    Aggregates for Concrete Portland Cement Association

    Aggregates for Concrete. The proper selection of aggregates for use in concrete mixtures is critical to long term concrete performance. Aggregates generally occupy 60% to 75% of the concrete volume and strongly influence the concrete’s fresh and hardened properties, mixture proportions, and economy.

    Properties Of Concrete By Replacement Of Natural Sand With

    The promotional use of artificial sand will conserve the natural resources for the sustainable development of the concrete in construction industry [2]. Artificial sand is a process controlled crushed fine aggregate produced from quarried stone by crushing or grinding and classification to obtain a controlled gradation

    ppt 2.docx What is Concrete Concrete an artificial stone

    What is Concrete? Concrete, an artificial stone-like mass, is the composite material that is created by mixing binding material (cement or lime) along with the aggregate (sand, gravel, stone, brick chips, etc.), water, admixtures, etc in specific proportions. The strength and quality are dependent on the mixing proportions. concrete BindingMatenaI + + Water + (Qünal) Composition of Basic

    Aggregates for Concrete Memphis

    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, consist of gravel and sand that can be readily used in concrete after minimal processing. Natural

    (PDF) SEA SAND AS FINE AGGREGATE FOR CONCRETE

    Fine aggregate (sand) cement concrete using sea sand can reach 30 35 N/mm2 was replaced with Sea sand by weight. The proportions of meeting requirements of concrete for construction of fine aggregate replaced ranged from 20% to 100% at the highway, the coastal protection works and islands.

    Effect of Sand Fines and Water/Cement Ratio on Concrete

    surface-dry samples measured were 2.60 and 2.61 for fine and coarse aggregates respectively. This indicates the aggregates used for the study were within the accepted specified values for concrete production in accordance with BS EN 1097-6 [19]. The water absorption for the sand used was 1.4% which is below the specification limit of 2%.

    Saw Dust Ash as Partial Replacement for Cement in Concrete

    Sharp sand was used as fine aggre-gates and granite with maximum size of 20mm as coarse aggregates. The fine and coarse aggregates used were obtained from a local supplier in Og-bomoso, Nigeria. Specimen Preparation SDA was used to replace ordinary Port-land cement at 5%, 10%, 15%, 20% and 25% by weight of cement. Concrete with

    (PDF) UTILIZATION OF PLASTIC WASTE IN CONCRETE AS

    It was discovered that plastic usage as a coarse or fine aggregate replacement decreases the concrete compressive strength [24,25,36,47,48,51,52,55,56,[61][62] [63] Fig. 5 shows the strength of

    Fine Aggregates: Types, Properties & Uses in construction

    Introduction to fine aggregates: The maximum size used is 80 mm and the range of 80 mm to 4.75 mn is known as coarse aggregate and 4.75 to 150 µm is called fine aggregate. Size 4.75 mm is common for both fine and coarse fractions. Qualities of fine aggregates: Fine aggregate should be clean i.e. it should be free from lumps, organic material, etc.

    Different Types & Sizes of Aggregate for Concrete

    11-08-2018· Gravel, cobble and boulders come under this category. The maximum size aggregate used may be dependent upon some conditions. In general, 40mm size aggregate used for normal strengths and 20mm size is used for high strength concrete. The size range of various coarse aggregates given below: Fine gravel: 4mm 8mm. Medium gravel: 8mm 16mm

    Aggregates for Concrete Portland Cement Association

    Aggregates for Concrete. The proper selection of aggregates for use in concrete mixtures is critical to long term concrete performance. Aggregates generally occupy 60% to 75% of the concrete volume and strongly influence the concrete’s fresh and hardened properties, mixture proportions, and economy.

    Functions Of Fine and Coarse Aggregate in Concrete

    29-05-2019· Fine aggregate reduces the shrinkage of binding material. 5. It prevents the development of a crack in the concrete. 6. It fills the voids existing in the coarse aggregate. Thus, it helps in increasing the density of concrete. 7. It assists in hardening of cement by allowing the penetration of water through its voids.

    Developing Concrete using Sea Shell as a Fine Aggregate

    Concrete is the widely used material in the world. This automatically creates a huge demand for ingredient of concrete (Fine Aggregate, Coarse Aggregate and cement). From the environment point of view, the huge extraction of the aggregate creates depletion and manufacturing of cement

    Properties of Concrete ce.memphis.edu

    Fine aggregate(sand) is made up of particles which are smaller than 3/8 ” in diameter The quality of aggregates is very important since they make up about 60 to 75% of the volume of the concrete Normal and lightweight concrete Admixtures Admixtures are chemicals which are added to the mix to achieve special purposes

    Fine Aggregates: Types, Properties & Uses in construction

    Introduction to fine aggregates: The maximum size used is 80 mm and the range of 80 mm to 4.75 mn is known as coarse aggregate and 4.75 to 150 µm is called fine aggregate. Size 4.75 mm is common for both fine and coarse fractions. Qualities of fine aggregates: Fine aggregate should be clean i.e. it should be free from lumps, organic material, etc.

    Basic Ingredients The Irish Concrete Society

    Read about Aggregates in the Construction Industry in Ireland here. FINE AGGREGATE (SAND) Sand acts as a fill material, filling the voids between the larger particles. It can be either natural sand or crushed rock fines. In general, the finer the sand, the greater the water demand in the concrete mix. WATER

    Aggregates in Concrete Mix Design YouTube

    08-09-2017· This video talks about the role of aggregates in concrete mixture design. tylerley

    7 Lab Tests on Aggregates to Make Better Concrete for

    19-12-2019· Aggregate is one of the primary building materials and constituent of concrete. Aggregates are used in construction and include sand, gravel, crushed stone, slag, recycled concrete etc. If this topic is related to your college studies, domyhomework123 may come in handy.

    Mechanical Properties of Polymer Concrete

    29-12-2013· The influence of the aggregate grading on the properties of polymer concrete has been long known. The coarse and fine aggregate should be proportioned in such a way that aggregate mixture has minimum void content and maximum bulk density. This minimizes the amount of binder required to assure proper bonding of all the aggregate particles.

    Transparent Concrete or Light Transmitting Concrete

    Transparent concrete also called as translucent concrete or light transmitting concrete is achieved by replacing aggregates with transparent alternate materials. The bonding material in transparent concrete may be able to transmit light by using clear resins the concrete mix. Use of optical fibers and fine concrete also used as transparent concrete.

    Aggregates for Concrete Portland Cement Association

    Aggregates for Concrete. The proper selection of aggregates for use in concrete mixtures is critical to long term concrete performance. Aggregates generally occupy 60% to 75% of the concrete volume and strongly influence the concrete’s fresh and hardened properties, mixture proportions, and economy.

    Properties Of Concrete By Replacement Of Natural Sand With

    The promotional use of artificial sand will conserve the natural resources for the sustainable development of the concrete in construction industry [2]. Artificial sand is a process controlled crushed fine aggregate produced from quarried stone by crushing or grinding and classification to obtain a controlled gradation

    Copper slag as fine aggregate for high performance concrete

    Use of copper slag in concrete industry as replacement of cement or/and fine aggregates can have the benefit of reducing the costs of disposal and minimising environmental pollution [1,2]. Little research work has been conducted to investigate the potential use of copper slag as fine aggregate on the properties of normal concrete. Akihiko and

    Developing Concrete using Sea Shell as a Fine Aggregate

    Concrete is the widely used material in the world. This automatically creates a huge demand for ingredient of concrete (Fine Aggregate, Coarse Aggregate and cement). From the environment point of view, the huge extraction of the aggregate creates depletion and manufacturing of cement

    Properties of Concrete ce.memphis.edu

    Properties of Concrete Concrete is an artificial conglomerate stone made essentially of Portland cement, water, and aggregates. Properties of Concrete While cement in one form or another has been around for centuries, the type we use was invented in 1824 in Britain. It was named Portland cement because it looked like the

    Aggregates in Concrete Mix Design YouTube

    08-09-2017· This video talks about the role of aggregates in concrete mixture design. tylerley

    Natural Fiber Reinforced Concrete

    other synthetic fibers, and adequate literature regarding their While concrete can be used it makes the construction very expensive and sometimes dif~ ficult, particularly in the construction of low-cost houses for The ratio of cement to fine aggregate was 1 :3,

    What is Artificial Stone? Types and Applications of

    Artificial stone, which is also called casted stone, is constructed from cement, sand,and natural aggregate such as crushed stone. it is possible to provide certain surface textures to artificial stones. Sometimes, specific pigments used to achieve certain color. The

    High Density Concrete: Types and Properties Concrete

    Thus the use of concrete as shielding against radiation needs more space. 2. The weight of shielding concrete is very high in the range of 3360 to 3840 kg/m 3. Aggregates to be Used in Shielding High Density Concrete: For making shielding concrete heavy weight aggregate having a specific gravity between 3.5 to 4.0 is needed.

    DOE Methods of Concrete Mix Design Concrete

    This method used the relationship between water/cement ratio and compressive strength depending on the type of cement and aggregate used. ADVERTISEMENTS: The water contents required to give various levels of workability, as very low, low, medium and high expressed in term of slumps or Vee Bee time or compacting factor, are determined for the two types of aggregates as crushed aggregate and gravel.

  •