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Heavyweight and Lightweight Aggregates

Aug 12, 2012The common nonstructural lightweight aggregates (ASTM C332) are vermiculite and perlite, although scoria and pumice can also be used. These materials are used in insulating concretes for soundproofing and nonstructural floor toppings. Lightweight aggregates produce concrete with low thermal conductivities, which equate to good fire Get price


Green and Durable Lightweight Aggregate Concrete: The

materials Review Green and Durable Lightweight Aggregate Concrete: The Role of Waste and Recycled Materials Jiyu Wang 1, Kai Zheng 1, Na Cui 2,*, Xin Cheng 1, Kai Ren 1,2, Pengkun Hou 1, Lichao Feng 3, Zonghui Zhou 1 and Ning Xie 1,* 1 Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, School of Materials Get price



NUKOKRETE™, a lightweight insulating concrete with its excellent insulating properties enables architects, engineers and contractors versatility in design, energy efficient construction, high thermal and physical performance. NUKOKRETE is a dry premix consisting of vermiculite, which is a lightweight insulating aggregate, portland cement and Get price


Special Concretes

Jan 05, 2015Artificial Light Weight Aggregates • Exfoliated vermiculite: The raw vermiculite material resembles mica in appearance and consists of thin flat flakes containing microscopic particles of water. On heating with certain percentage of water it expands by delamination in the same way as that of slate or shale.Get price


Vermiculite in Construction

Although the coarser vermiculite grades are preferred for loose-fill insulation, the finer grades find application in concretes, screeds and plasters. As with any construction material, safe and good working practices and various building codes and regulatory requirements should be adhered to when using Vero vermiculite products.Get price


How To Mix Vermiculite Concrete

How To Mix Vermiculite Concrete Materials needed: 1 No. 100 litre (or 2 X 50 Litre) bag of DINEEN Vermiculite (approx. 6 parts by volume). 25kg of Portland cement or Cement Fondu (approx. 1 part by volume) 40 - 50 litres of water. Put your water in the mixer add first 50 litre bag of vermiculiteGet price


How to Calculate Cement Sand and Aggregate Quantity in

Concrete is the mixture of cement, sand, aggregates and water. Cement concrete is the major building material in the construction industry. It can be easily moulded into durable structural members. Today in this article we will learn how to calculate the quantity of cement, sand, aggregate and water for 1 cum concrete. Important Points For Get price


Ecological Significance of Light Weight Aggregate Concrete

concrete is in the order of 2200 to 2600 kg/m3.This heavy self weight will make it to some extent an uneconomical structural material. Attempts have been made in the past to reduce the self weight of concrete to increase the efficiency of concrete as a structural material. The light-weight concrete as we call is aGet price


Performance of Concrete using Dolomite and Vermiculite as

Divya.M.R,Study On Concrete With Replacement Of Fine Aggregate By Vermiculite International Journal Of New Technology And Research, Volume 2, Issue 5, May 2016. Page No: 87-89 Gowtham.S, Mercy Shanthi.R, Sheela.V Studies On Flexural Behavior Of Beams Using Non Conventional Aggregates International Journal Of Engineering Research And Get price


Light Weight Concrete

LIGHT WEIGHT CONCRETE. Advanced concrete technology MTCE 135 Anil Shastry (1427301) 1 MTSE Christ University, Bangalore Introduction: Light weight concrete is a special concrete which weighs lighter than conventional concrete. Density of this concrete is considerably low (300 kg/m3 to 1850 kg/m3) when compared to normal concrete (2200kg/m3 to 2600kg/m3). Get price



A light-weight aggregate, for use in production of light-weight structural products, composed of a self-hardening fly ash, a surfactant foam, and optionally an accelerator and additives. The self-hardening fly ash is preferably class C fly ash formed by the combustion of sub-bituminous coal from the Power River Basin. The surfactant foam is preferably an anionic sulfate surfactant foam.Get price


Concrete or Vermiculite for Vinyl

Mar 11, 2019Concrete, on the other hand, would require a grinder and no small amount of skill and experience. Proponents of the mineral mix say that the ability to quickly patch problem spots is the material's main advantage over concrete. New vermiculite bonds to old vermiculite well. When doing a liner replacement, floor fixes are common.Get price


Green Home Building: Light

Lightweight aggregate can also be produced by heating clay, shale, slate, diatomaceous shale, perlite, obsidian, and vermiculite. Industrial cinders and blast-furnace slag that has been specially cooled can also be used. Pumice and scoria are the most widely used of the natural lightweight aggregates.Get price


Vol. 5, Issue 2, Februray 2016 An Experimental

replacement of fine aggregates can be analyzed.The tensile strength of lightweight concrete also can be studied by using vermiculite minerals in a lightweight concrete. III. DISCUSSION ON MATERIALS Vermiculite is a naturally occurring mineral composed of shiny flakes and mica.When vermiculite is heated to highGet price


Perlite Concrete

Perlite Concrete Light weight insulating concrete. Perlite concrete aggregate combined with Portland cement and water produces a light weight insulating concrete used for light weight roof decks, floor fills, light weight structural decks, insulation for steam and coolant lines, bases of cryogenic storage tanks, oven insulation, interstitial spaces in reconditioned water and Get price


Vermiculite in Coimbatore, Tamil Nadu

The exfoliated vermiculite concrete is also used in the construction industries today and has wide applications, one of them being used as an additive to fireproof wallboard. It is a lightweight aggregate for plaster, proprietary concrete compounds, fire Get price



Cement is the main constituent of concrete, the most widely used building material today and which will continue to be in the years to come. Its production generates CO2 emissions. It is, thus, of primary importance to optimize the utilization of cement in concrete constructions, while checking that these constructions have lifespan compatible Get price


Vermiculite Insulating Concrete

Vermiculite concrete roof deck systems allow architects, engineers and contractors versatility in design, high performance and reasonable cost. These systems will use a lightweight concrete consisting of portland cement, water and vermiculite concrete aggregate.Get price


Experimental Investigation on Strength Properties of

Concrete is mostly used as a building material and while preparing concrete mix the natural resources are being used extensively. Due to large-scale construction being taken up, a steady sand mining is taking place at an alarming rate. To overcome the problem Vermiculite aggregate is partially used as a replacement to sand.Get price


Lightweight Construction Materials

Jan 09, 2020Lightweight concrete is one of the most popular of the new lightweight construction materials. It does not have a compressive strength as good as ordinary concrete but it weathers just as well. It needs less structural steel reinforcement, uses smaller foundations, has better fire resistance, it can be used as insulation material.Get price



Mining of mineral aggregate deposits, including sand, gravel, and stone. Waste slag from the manufacture of iron and steel. Recycled materials, which are chiefly manufactured from mineral aggregates. In addition, there are some (minor) materials that are used as specialty lightweight aggregates; for example clay, pumice, perlite, and vermiculite.Get price


How to Use Crushed Recycled Glass as Aggregate for

Crush to pebble size which removes sharp edges, use as decoration in concrete plaster. Issue. Glass is a relatively new construction aggregate material. The term glass aggregate includes, for this Best Practice, glass, glass-soil, and glass-aggregate mixtures. In general, glass aggregate Get price


Feasibility of a Biopolymer as Lightweight Aggregate in

Authors: Ali A. Sayadi, Thomas R. Neitzert, G. Charles Clifton Abstract: Lightweight concrete is being used in the construction industry as a building material in its own right. Ultra-lightweight concrete can be applied as a filler and support material for the manufacturing of composite building materials.Get price


Formulas for Lightweight Concrete

This Company has developed a type of lightweight aggregate that provides material for all types of construction needs, at reasonable cost and with good thermal insulation values. They manufacture the equipment required to do this according to the needs of their customers; the feed stock are common construction materials that should be available Get price


Vermiculite Concrete

Vermiculite Concrete Introduction Vermiculite concrete is a low density non-structural construction product. It is insulating (both thermally and acoustically) and intrinsically fire resistant. It is normally made simply by mixing exfoliated vermiculite as the aggregate, with cement and water, plus additives such as plasticisers if required.Get price


5 Versatile Uses of Vermiculite

Aug 08, 2018Vermiculite is a type of naturally occurring mineral that expands into long, worm-like strands when heat is applied through a process called exfoliation. When in its expanded form, the material has a low density and thermal conductivity. This makes it useful as a lightweight aggregate in construction, a thermal insulation filler and a soil amendment.Get price


Construction Concrete Dicalite Management Group

Lightweight concrete roofs and floors. Finer grades of exfoliated vermiculite can be added at site to portland cement and other aggregates for roof and floor concrete applications or lightweight concrete, with the intention of imparting the benefit of being lightweight Get price


Incorporation of expanded vermiculite lightweight

Aug 10, 2018In recent times, non-structural lightweight aggregates such as vermiculite, perlite and expanded polystyrene aggregates which are very low in density were incorporated as partial sand replacement in cement-based mortars. The prime advantage of these materials is the good insulation properties owing to their highly porous nature.Get price



Lightweight aggregates used in structural lightweight concrete are typically expanded shale, vermiculite, perlite or slate materials that have been fired in a rotary kiln to develop a porous structure. There are other classes of non-structural LWC with lower density made with other aggregate materials and higher air voids in the cementGet price


What is Lightweight Concrete ? Types Uses

Conventional aggregates in the concrete can be replaced by cellular porous aggregates. (Lightweight aggregate concrete) The air or gas bubbles can be inserted in concrete (Aerated concrete). During the preparation of concrete, sand should not be used and it should be omitted. (No- fines concrete). Types of Lightweight Concrete 1. Lightweight Get price

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