ppt of scoria aggregate


Posted on May 23, 2019



light weight aggregate.ppt - SlideShareApr 13, 2016 . Light weight aggregate concrete: Basically two types of light weight aggregates Natural aggregates Artificial aggregates Natural light weight aggregates are less preferred over artificial aggregates. Important natural aggregates – Pumice & Scoria Artificial aggregates are usually produced by.ppt of scoria aggregate,AGGREGATEScrushed recycled concrete. used for normal concrete projects. heavyweight. barlite, magnetite , steel or iron shot; steel or iron pellets. used for making high density concrete for shielding against nuclear radiation. Ultra-lightweight Aggregates. 16. Vermiculite. Perlite. Diatomite. Pumice. Scoria. Lightweight Aggregates.


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ppt of scoria aggregate,

3. lightweight aggregates (lwa)

Consists of particles derived from natural rocks, primarily those of volcanic origin. Manufactured L.W.A.. It is produced by expanding some raw materials in a rotary kiln, on a sintering grate, or by mixing them with water. The most common lightweight aggregates are pumice, scoria, expanded shale, expanded clay, expanded.

aggregates - scetcivil

Examples of Aggregates Used. Uses for the Concrete. ultra-lightweight. vermiculite, ceramic, diatomite, pumice, scoria, perlite,. can be sawed or nailed, also used for its insulating properties (250 to 1450 kg/m3). lightweight. expanded clay, shale or slate, crushed brick. used primarily for making lightweight concrete for.

ppt of scoria aggregate,

CONCRETE AGGREGATES. - ppt download - SlidePlayer

binding medium (mortar) Portland Cement Concrete relatively inert filler materials (aggregates) In concrete mixtures the proportions of cement paste . ASTM C 330 Pumice Scoria Perlite Vermiculite Diatomite Produce lightweight insulating concrete— 250 to 1450 kg/m3 See also Chapter 18-EB001-Design and Control of.

Aggregates for Concrete - ppt video online download - SlidePlayer

F.A. content usually 35% to 45% by mass or volume of total aggregate Fig Closeup of fine aggregate (sand). . Pumice Scoria Perlite Vermiculite Diatomite Produce lightweight insulating concrete— 250 to 1450 kg/m3 (15 to 90 lb/ft3) See also Chapter 18-EB001-Design and ... Download ppt "Aggregates for Concrete".

Geologic Characterization of Natural Aggregate

Natural Aggregate Resource Assessment by. W.H. Langer' and ... properties of rocks and sand and gravel and their likely performance as an aggregate, and provides ... Pumice Scoria. Obsidian'. Continuous variation in properties and composition light color Dark color. Low relative density (2.6) High relative density (2.9).

ppt of scoria aggregate,

Lecture No. 06

Various light weight materials such as expanded shale, clay, slate, and slag are used as aggregates for producing lightweight concrete (1350 to 1850 kg/m3). Other lightweight materials such as pumice, scoria, perlite, vermiculite, and diatomite are used to produce insulating lightweight concretes (250 to 1450 kg/m3).

Properties of concrete made with recycled aggregate . - CiteSeerX

Concrete having a 28-day compressive strength of 28 MPa was crushed at ages 1, 3 and 28 days to serve as a source of aggregate for new concretes . Keywords: Recycled aggregates; Waste management; Hydration; Mechanical properties; Fresh concrete. 1. ... crete made with scoria aggregates having an open porosity.

light weight aggregate.ppt - SlideShare

Apr 13, 2016 . Light weight aggregate concrete: Basically two types of light weight aggregates Natural aggregates Artificial aggregates Natural light weight aggregates are less preferred over artificial aggregates. Important natural aggregates – Pumice & Scoria Artificial aggregates are usually produced by.

AGGREGATES

crushed recycled concrete. used for normal concrete projects. heavyweight. barlite, magnetite , steel or iron shot; steel or iron pellets. used for making high density concrete for shielding against nuclear radiation. Ultra-lightweight Aggregates. 16. Vermiculite. Perlite. Diatomite. Pumice. Scoria. Lightweight Aggregates.

3. lightweight aggregates (lwa)

Consists of particles derived from natural rocks, primarily those of volcanic origin. Manufactured L.W.A.. It is produced by expanding some raw materials in a rotary kiln, on a sintering grate, or by mixing them with water. The most common lightweight aggregates are pumice, scoria, expanded shale, expanded clay, expanded.

aggregates - scetcivil

Examples of Aggregates Used. Uses for the Concrete. ultra-lightweight. vermiculite, ceramic, diatomite, pumice, scoria, perlite,. can be sawed or nailed, also used for its insulating properties (250 to 1450 kg/m3). lightweight. expanded clay, shale or slate, crushed brick. used primarily for making lightweight concrete for.

CONCRETE AGGREGATES. - ppt download - SlidePlayer

binding medium (mortar) Portland Cement Concrete relatively inert filler materials (aggregates) In concrete mixtures the proportions of cement paste . ASTM C 330 Pumice Scoria Perlite Vermiculite Diatomite Produce lightweight insulating concrete— 250 to 1450 kg/m3 See also Chapter 18-EB001-Design and Control of.

Aggregates for Concrete - ppt video online download - SlidePlayer

F.A. content usually 35% to 45% by mass or volume of total aggregate Fig Closeup of fine aggregate (sand). . Pumice Scoria Perlite Vermiculite Diatomite Produce lightweight insulating concrete— 250 to 1450 kg/m3 (15 to 90 lb/ft3) See also Chapter 18-EB001-Design and ... Download ppt "Aggregates for Concrete".

Geologic Characterization of Natural Aggregate

Natural Aggregate Resource Assessment by. W.H. Langer' and ... properties of rocks and sand and gravel and their likely performance as an aggregate, and provides ... Pumice Scoria. Obsidian'. Continuous variation in properties and composition light color Dark color. Low relative density (2.6) High relative density (2.9).

Properties of concrete made with recycled aggregate . - CiteSeerX

Concrete having a 28-day compressive strength of 28 MPa was crushed at ages 1, 3 and 28 days to serve as a source of aggregate for new concretes . Keywords: Recycled aggregates; Waste management; Hydration; Mechanical properties; Fresh concrete. 1. ... crete made with scoria aggregates having an open porosity.

Aggregate Properties.ppt

Up to 8% air (depending on top size of coarse aggregate). Therefore: Aggregates make up 60-75% of total volume of concrete. What is an. AGGREGATE? Aggregate: the inert filler. materials, such as sand or. stone, used in making. concrete. Physical Properties of Aggregates: 1.Unit Weight and Voids. 2. Specific Gravity. 3.

Lecture No. 06

Various light weight materials such as expanded shale, clay, slate, and slag are used as aggregates for producing lightweight concrete (1350 to 1850 kg/m3). Other lightweight materials such as pumice, scoria, perlite, vermiculite, and diatomite are used to produce insulating lightweight concretes (250 to 1450 kg/m3).

Scoria, Pumice, Lightweight Aggregates, Lightweight Concrete .

Abstract This paper presents the use of Ethiopian pumice and scoria aggregates for lightweight concrete in ribbed slab construction. Experimental and theoretical investigations were conducted to study the strength and deformation characteristics of ribbed-slabs with 60 mm topping. The experimental program was.

igneous rocks & volcanism - Missouri State University

a rock is an aggregate of mineral(s) or mineral matter which occurs in. massive deposits. bedrock is a massive unbroken solid rock directly . include all extrusive textured rocks and include basalt, andesite, rhyolite, pumice, scoria, tuff, obsidian and volcanic breccia. volatile emissions. steam (water vapor)--most abundant.

Properties of concrete made with recycled aggregate . - CiteSeerX

Concrete having a 28-day compressive strength of 28 MPa was crushed at ages 1, 3 and 28 days to serve as a source of aggregate for new concretes . Keywords: Recycled aggregates; Waste management; Hydration; Mechanical properties; Fresh concrete. 1. ... crete made with scoria aggregates having an open porosity.

Aggregates for Concrete - Civil Engineering

Fine aggregates. (Fig. 5-1) generally consist of natural sand or crushed stone with most particles smaller than 5 mm (0.2 in.). Coarse aggregates (Fig. 5-2) consist of one .. Scoria. Clay. Perlite. Illites. Pitchstone. Kaolins. Felsite. Chlorites. Basalt. Montmorillonites. Mica. Sedimentary rocks. Zeolite. Conglomerate. Carbonate.

Understanding Different Types of Lightweight Concrete

Low-Density Natural Aggregate Concrete. Building Worker Pourning Concrete Most low-density aggregates are volcanic in origin and include pumice, tuff, scoria, and cinders. Diatomite is also something used as the aggregate component of lightweight concretes. The advantage to these types of aggregate is that they often.

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