European Type Jaw Crusher

European Type Jaw Crusher is a new crushing machine, the jaw crusher manufacturer, after the release of traditional jaw crusher. This jaw crusher is a perfect combination of modern science and technology and the production practice, which can better satisfy the automatic production demands of vast customers.

Input Size: 0-930mm
Capacity: 12-650TPH

Materials:
Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore.

VSI6X Series Vertical Crusher

Due to the increasing market demand for the scale, intensification, energy conservation, environment protection and high-quality machine-made sand, a Chinese professional sand maker manufacturer, further optimizes the structure and function of traditional vertical-shaft impact crushers and launches a new generation of sand-making and reshaping machine with high efficiency and low costs --- VSI6X Series Vertical Crusher.

Input Size: 0-50mm
Capacity: 100-583TPH

Materials:
Granite, quartz, basalt, pebble, limestone, dolomite, etc.

LM Vertical Mill

High drying efficiency, Low running cost, Good environmental effect

LM Vertical Mill integrates crushing, drying, grinding, classifying and conveying together, and it is specialized in processing non-metallic minerals, pulverized coal and slag. Its coverage area is reduced by 50% compared with ball mill, and the energy consumption is saved by 30%-40% similarly.

Applications: Cement, coal, power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

MTW Trapezium Mill

Large capacity, Low consumption, Environmental friendly

MTW European Trapezium Mill has a large market share in the grinding industry. Whether bevel gear overall drive, inner automatic thin-oil lubricating system or arc air channel, these proprietary technologies makes machine advanced, humanized and green.

Applications: Cement, coal , power plant desulfurization, metallurgy, chemical industry, non-metallic mineral, construction material, ceramics.

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Little abrasion wear, Long service life

Based on 30 years of development experience of grinding equipment, LM Heavy Industry produced LUM Series Superfine Vertical Roller Grinding Mill to make ultra-fine powder. The grinding roller doesn't contact with millstone usually, which makes abrasion little and service life longer.

Applications: Superfine dry powder of none-metal ores such as calcite, marble, limestone, coarse whiting, talc, barite and dolomite and so on.

artificial fine aggregate used in concrete ppt

Types of Aggregates-Natural and Artificial Aggregates

Jun 21, 2018 The diameter of the sand particles ranges from 0.075mm to 4,75mm. The sand is used as the fine aggregates for the purpose of concrete making. 2.Gravel The gravel is another type of aggregates and is mainly used for as coarse aggregates in concrete.

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Aggregates SlideShare

Nov 14, 2013 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.

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Aggregates of Concrete SlideShare

Mar 02, 2017 AggregatesAggregates • Aggregates generally occupy 65- 80% of a concrete’sAggregates generally occupy 65- 80% of a concrete’s volume.volume. Aggregates are inert fillers floating in theAggregates are inert fillers floating in the cement paste matrix for concretes of low strength. Thecement paste matrix for concretes of low strength.

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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.

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Artificial Aggregate an overview ScienceDirect Topics

It was reported that ferrochromium slag had been used as an aggregate in concrete pavement. With a proper selection of slag as an artificial aggregate, concrete pavements with higher compressive strengths, wear resistance, and specific weight than those of normal concrete were made.

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Lecture 4. Aggregates

recycled concrete aggregate (RCA) when consisting primarily of crushed concrete or more general . recycled aggregate (RA) when it contains substantial quantities of materials other than crushed concrete. Currently, only the use of coarse aggregate derived from construction or demolition waste is recommended for use in new concrete construction.

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Lecture 5. Concrete

Fine aggregate (sand): Sand consists of small angular or rounded grains of silica. Sand is commonly used as the fine aggregate in cement concrete. Both natural and artificial sands are used for this purpose. Functions of sand: 1. It fills the voids existing in the coarse aggregate. 2. It reduces shrinkage and cracking of concrete. 3.

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Study of recycled concrete aggregate quality and its

The presence of these fine particles in the recycled coarse aggregate may decrease the bond between the recycled aggregate and the new cement paste and increase the mixing water neces- sary to achieve fixed workability when the concrete is made (130). The Spanish standard limits the fines content to

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(PPT) CIVIL PROJECT PPT RECYCLED AGGREGATE CONCRETE

Recycled aggregate is an ideal replacement that offers a better substitute for the natural Jeevan Jacob structural property in comparison aggregate in structural concrete. Leni Stephen with the conventional concrete. 2.

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Different Types & Sizes of Aggregate for Concrete

Aug 11, 2018 Vermiculite Concrete Aggregate is used to create a lightweight and insulating concrete that can be used on various forms of bases suitable to a variety of engineering designs. This concrete aggregate is often used for roof deck systems and works with most concrete

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Aggregates for Concrete

Aggregates may be broadly classi fied as natural or artificial, an aggregate for use in concrete on a particular job or in More performance tests are also used to test aggregates in concrete. A typical consensus specification for fine and coarse aggregate for concrete is ASTM C 33. Synthetic aggregates may be either byproducts of an

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7 Lab Tests on Aggregates to Make Better Concrete for

In this article we explore the importance of aggregate testing, various tests on aggregates and all the important properties of aggregates. 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

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25 Different Uses of Concrete Civil Engineering

Concrete is an erection material composed of cement, fine aggregates and coarse aggregates mixed with water. Portland cement is the mostly used cement for the production of concrete. It is the most popular artificial material. Probably It is used more than any other man-made product in the world. Uses of Concrete

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Aggregates for Concrete Memphis

blast-furnace slag is also used as fine or coarse aggregate. The aggregates are usually washed and graded at the pit or plant. Some variation in the type, quality, cleanli-ness, grading, moisture content, and other properties is expected. Close to half of the coarse aggregates used in portland cement concrete in North America are gravels;

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Lecture 5. Concrete

Fine aggregate (sand): Sand consists of small angular or rounded grains of silica. Sand is commonly used as the fine aggregate in cement concrete. Both natural and artificial sands are used for this purpose. Functions of sand: 1. It fills the voids existing in the coarse aggregate. 2. It reduces shrinkage and cracking of concrete. 3.

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Study of recycled concrete aggregate quality and its

concrete aggregate, this is obtained from the recy-cling process of concrete waste material. Therefore, the recycled concrete aggregates are mainly made of natural aggregate and adhered . cement mortar. However, it may incorporate impu-rities and contaminants, which have a negative influ ence on the properties of the final recycled concrete

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USE OF WASTE PLASTIC AS FINE AGGREGATE SUBSTITUTE

hence in this study M20 cement concrete is considered in which the recycled plastic waste is used as the replacement of fine aggregate in the concrete. Concrete cube and beam were casted taking 10% to 25% of plastic as partial replacement of fine aggregate and tested for 28 days of compressive strength and flexural strength of concrete. 1.

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(PPT) CIVIL PROJECT PPT RECYCLED AGGREGATE CONCRETE

RCA is feasible in concrete pavements, if performance comparable to virgin materials can be expected J-4.USE OF RECYCLED AGGREGATE CONCRETE AUTHORS: OBJECTIVE: CONCLUSION: Mr. Tushar R 1. To find out the % use 1.Use of recycled aggregate up to feasible for construction.

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Waste Materials in Concrete Technology: Sustainability and

recycled aggregate, is used [Corinaldesi & Moriconi 2004]. Moreover, this behaviour seems to be enhanced when concrete-rubble powder, that is the fine fraction produced during the recycling process of concrete-rubble to make aggregates, is reused as . Durability

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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

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CONCRETE BASICS A Guide to Concrete Practice

This gives a stronger and denser concrete. Rounded aggregates give a more workable mix. Angular aggregates make concrete harder to place, work and compact, but can make concrete stronger. STORAGE Aggregates should be stored where they will stay clean, separated from other materials and dry. If the aggregates are very wet use less water in the mix.

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Use of sea sand as fine aggregate in concrete making

Concrete is a mixture of cement, coarse aggregates, fine aggregates or sand and water. The approximate ratios of these components are as below: Based on the ratios and the anticipated cement consumption in the country, the expected requirement of sand

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Aggregates for Concrete

Aggregates may be broadly classi fied as natural or artificial, an aggregate for use in concrete on a particular job or in More performance tests are also used to test aggregates in concrete. A typical consensus specification for fine and coarse aggregate for concrete is ASTM C 33. Synthetic aggregates may be either byproducts of an

get price

25 Different Uses of Concrete Civil Engineering

Concrete is an erection material composed of cement, fine aggregates and coarse aggregates mixed with water. Portland cement is the mostly used cement for the production of concrete. It is the most popular artificial material. Probably It is used more than any other man-made product in the world. Uses of Concrete

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Concrete as a Structural Material Advantages Types

Mar 16, 2017 Concrete Material Concrete. Concrete is an artificial conglomerate stone made essentially of Portland cement, water, and aggregates. It is a Composite material that consists essentially of a binding medium within which aggregates are embedded; Binder is formed from a mixture of hydraulic cement and water. Concrete as a Structural Material

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USE OF WASTE PLASTIC AS FINE AGGREGATE SUBSTITUTE

hence in this study M20 cement concrete is considered in which the recycled plastic waste is used as the replacement of fine aggregate in the concrete. Concrete cube and beam were casted taking 10% to 25% of plastic as partial replacement of fine aggregate and tested for 28 days of compressive strength and flexural strength of concrete. 1.

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Lecture 5. Concrete

Fine aggregate (sand): Sand consists of small angular or rounded grains of silica. Sand is commonly used as the fine aggregate in cement concrete. Both natural and artificial sands are used for this purpose. Functions of sand: 1. It fills the voids existing in the coarse aggregate. 2. It reduces shrinkage and cracking of concrete. 3.

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What is Lightweight Concrete ? Types & Uses Civil

During the preparation of concrete, sand should not be used and it should be omitted. (No- fines concrete). Types of Lightweight Concrete 1. Lightweight Aggregate Concrete : In the manufacturing of the lightweight aggregate concrete care is take that the aggregates used are of light weight. Natural aggregates and Artificial aggregates are

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Use of sea sand as fine aggregate in concrete making

Concrete is a mixture of cement, coarse aggregates, fine aggregates or sand and water. The approximate ratios of these components are as below: Based on the ratios and the anticipated cement consumption in the country, the expected requirement of sand

get price

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

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EFFECTS OF AGGREGATE TYPE, SIZE, AND CONTENT ON

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.

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Waste Materials in Concrete Technology: Sustainability and

recycled aggregate, is used [Corinaldesi & Moriconi 2004]. Moreover, this behaviour seems to be enhanced when concrete-rubble powder, that is the fine fraction produced during the recycling process of concrete-rubble to make aggregates, is reused as . Durability

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Fine Aggregate: Definition, Size, Density and Properties

Fine aggregate is the essential ingredient in concrete that consists of natural sand or crushed stone. The quality and fine aggregate density strongly influence the hardened properties of the concrete.. The concrete or mortar mixture can be made more durable, stronger and cheaper if you made the selection of fine aggregate on basis of grading zone, particle shape and surface texture, abrasion

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How to use Glass as Aggregate in Concrete Concrete Decor

Jul 08, 2005 Glass aggregate can replace part or all of the sand and gravel in concrete, for effects that range from colorful terrazzo, to granite- or marble-like finishes, to concrete that reflects light like a mirror. Glass aggregate can even be used to produce concrete that literally glows.

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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.

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(PDF) Lightweight Concrete Using Coconut Shells as Aggregate

Sawdust was used to replace fine aggregates in Conventional and as well as in Coconut Shell concrete from 0%, 5%, 10% and 20%. M25 grade of concrete was selected and testing is evaluated at age of

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