Coarse Aggregates Fine Aggregates | Types, Uses and ...

Aggregate is a granular material, such as sand, gravel, crushed stone, crushed hydraulic-cement concrete, or iron blast-furnace slag, used with a hydraulic cementing medium to produce either concrete or mortar. Those particles that are predominantly retained on the 4.75 mm (No. 4) sieve, are called coarse aggregates. Those particles passing the 9.5 mm (3/8 inch)

Textural Characteristics of Fine Aggregate Efficiency on ...

The concrete aggregate has an effective function of concrete properties. Its final properties are controlled by the proportional of its components; aggregates, water and cement. It has known and deep settled that, its fine aggregates are used nearly as filling constitutes to reduce the cement percent with the concrete past. The current experimental study indicated that, the textural ...

7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE IN …

Sep 12, 2015· Tests on Aggregate Aggregate plays an important role in pavement construction. Aggregates influence, to a great extent, the load transfer capability of pavements. Hence it is essential that they should be thoroughly tested before using for construction. Not only that aggregates should be strong and durable, they should also possess proper shape and size to […]

Aggregates ppt - SlideShare

Apr 28, 2013· 7(1) Fine Aggregates:Aggregates whose particles passthrough 4.75 mm IS sieve are termedas fine aggregates. Most commonlyused fine aggregates are sand (pit orquarry sand, river sand and sea sand)and crushed stone in powdered form,how ever some times sukhi and …

Factors influencing the mechanical properties of ...

Properties of lightweight aggregate Three different types of coarse LWAs with different properties were used to produce LWAC, namely, expanded clay, sintered fly ash and expanded shale as shown in Fig. 1. Mechanical properties and physical features including particle shape, surface texture, bulk density, cylinder compressive strength,

2.1 Soils and Soil Physical Properties

Soils & Soil Physical Properties Unit 2.1 | Part 2 – 5 Introduction Introduction: Soils & Soil Physical Properties UNIT OVERVIEW This unit introduces students to the components of soil and soil physical properties, and how each affects soil use and management in farms and gardens. In two lectures. students will learn about

Introduction To Aggregates Its Properties And Effectson ...

Apr 18, 2017· Aggregates Since approximately three quarters of the volume of concrete is occupied by aggregate, its quality is of considerable importance The aggregate properties greatly affect the durability and structural performance of concrete Aggregate was originally viewed as inert, inexpensive material disperse throughout the cement paste so as to ...

Classification of Aggregates Based on Size and Shape ...

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 occupy 70 …

PowerPoint Presentation - Minerals and Rocks

Physical properties of minerals. Basic rock types. The rock cycle. Minerals . Natural . ... Appearance controlled by composition and size and arrangement of aggregate grains (texture) Rock Types. Igneous. Form by solidification of molten rock (magma) ... PowerPoint Presentation - Minerals and Rocks

Mechanical Properties of Local Concrete -

The mechanical properties of concrete are dependent on many factors, such as the characteristics of the raw materials used, the curing conditions and the local concrete practice, which may vary from place to place. The mechanical properties measured in other places cannot be directly applicable to Hong Kong.

Concrete Materials.ppt - SlideShare

Dec 16, 2016· Aggregate is the granular material, such as sand, gravel, crushed stone, crushed blast-furnace slag, or construction and demolition waste that is used with a cementing medium to produce either concrete or mortar. Aggregate should be inert and strong and It forms the skeleton of matrix 60-75% by volume 25-40% Paste &1-2% Voids. All aggregates ...

Tests for mechanical and physical properties of aggregates ...

This standard forms part of a series of tests for mechanical and physical properties of aggregates. Test methods for other properties of aggregates will be covered by the following European Standards: − EN 932 (all parts), Tests for general properties of aggregates; − EN 933 (all parts), Tests for geometrical properties of aggregates;

PHYSICAL PROPERTIES OF AGGREGATES - Rowan University

Physical Properties of Aggregates 4 Coarse Aggregate Angularity • Measured on + 4.75 mm material • Based on fractured faces – fractured surface larger than 25% of aspect ratio • ASTM D 5821 • Specification requirements depend on: – depth of layer within pavement

Strength Properties of Concrete Containing Coconut Shell ...

cement, river sand, coarse aggregate/coconut shell was obtained and used to cast the The concrete. comprehensive mix proportion of the constituent materials is presented in Table 1. 2.2 physical properties of the constituent materials . The physical properties of ashaka cement, coconut shells, coarse aggregate and fine aggregate were

Properties of Cement- Physical & Chemical - Civil Engineering

Properties of Cement- Physical & Chemical Cement, a popular binding material, is a very important civil engineering material . This article concerns the physical and chemical properties of cement, as well as the methods to test cement properties.

Mechanical Characterization of Aggregates - KTH

Mechanical Properties of Aggregates [email protected] California Bearing ratio (CBR) Value Basically a penetration test Piston penetrates soil at constant rate 0.05 in/min Pressure is recorded Take the ratio to the bearing capacity of a standard rock Range: 0 (worst) –100 (best) Type equation here. CBR= Pressure to cause 0.1" penetration to the ...

WHAT ARE THE PROPERTIES OF AGGREGATES FOR CONCRETE ...

Concrete Physical & Mechanical Properties 1 • Composition. •Physical Properties. • Mechanical Properties. • Defects & Deterioration. Introduction Bridge Engin eering Section Technical Standards Branch BIM Bridge Inspection and Maintenance Concrete Physical & Mechanical Properties 2 • Portland Cement. • Aggregate. • Mixing Water ...

3 Physical and Chemical Properties of Aggregate ...

The physical properties of aggregates stem from the inherent properties of the source rock; these include texture, structure, and mineral composition. Textural properties give rise to internal characteristics, of which the pore size is perhaps most important. Structural characteristics define the degree to which the minerals within the aggregate are segregated or oriented in one…

Aggregates: Physical Properties and Mechanical Properties

Physical Properties of Aggregate: Specific Gravity Indian Standard Specification IS : 2386 (Part III) of 1963 gives various procedures to find out the specific gravity of different sizes of aggregates. A Weight of empty basket in water A Weight of aggregate and basket in water C Weight of ovendried aggregate …

Components and Physical Properties of Soil - CropWatch

Components and Physical Properties of Soil . Unit: Soil Science Lesson 3. Objectives. Define: aggregate, the four components of soil (mineral matter, organic matter, air and water), bulk density ... Aggregate stability refers to the ability of soil aggregates to avoid disintegration when disturbed by tillage or erosion. ... PowerPoint Presentation

PHYSICAL PROPERTIES OF CONCRETE AGGREGATES - scribd.com

PHYSICAL PROPERTIES OF CONCRETE AGGREGATES - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. CONCRETE AGGREGATE PROPERTIES

3 Aggregate Properties - in.gov

3) General field characteristics of these aggregates Recognition of these properties and characteristics assists the Technician in evaluating the different aggregates used in highway construction. Aggregate particles have certain physical and chemical properties which make the aggregate acceptable or unacceptable for specific uses and conditions.

Properties of Concrete with Coconut Shells as Aggregate ...

Properties of Concrete with Coconut Shells as Aggregate Replacement 22 2.2. Mix proportions In order to investigate properties of CS concretes, six mixes were employed. Control mix (M1) that is, without CS was made. Coarse aggregate was then replaced with CS in 10 (M2), 15 (M3), 20 (M4) percentages to study effect of CS replacement.

Coarse Aggregate Properties - Penn State Engineering

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 ...

Properties of Concrete - The University of Memphis

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

CHAPTER 4 AGGREGATES - Civil Engineering Department

4.4 Mechanical Properties of Aggregates 4.4.1 Bond of Aggregate • Bond is the interlocking of the aggregate and the paste owing to ... changes of physical conditions. •Aggregate is said to be unsound when volume changes, induced by the freezing and thawing result in deterioration of the concrete.

SAND, SAND ADDITIVES and SAND PROPERTİES

(Fe2SiO4). Their physical properties vary with their chemical compositions; therefore, the composition of the olivine used must be specified to control the reproducibility of the sand mixture. Care must be taken to calcine the olivine sand before use to decompose the serpentine content, which

CHAPTER 1. SOIL PHYSICAL PROPERTIES - UC Davis

J Which physical and chemical properties are largely affected by surface area??? Soil Structure: The arrangement and organization of soil particles in the soil, and the tendency of individual soil particles to bind together in aggregates; Aggregation creates intra-aggregrate and inter-aggregate pore space, thereby changing flow