Autoclaved aerated concrete aac, aircrete autoclaved aerated concrete is a versatile lightweight construction material and usually used as blocks. Whats more, it has certain strength, compression degree and machinability. Conquering brick by brick 3 although aac block has been in use long globally,since the aac block is an emergingproduct and a growing industry in india. Blocks are about 50% lighter than clay bricks of equivalent size. Thermal efficiency aercon aac autoclaved aerated concrete. Aac blocks is a unique and excellent type of building material due to its super heat, fire and sound resistance, aac blocks are lightweight and offers ultimate workability, flexibility and durability. Aac block in coimbatore, tamil nadu get latest price.
Technical specification of autoclaved aerated concrete. Prior to opening his own engineering firm in oregon in 1997, he was a professor of engineering at northern montana state university and. This easytoread and concise book contains much more detail on concrete chemistry and deleterious processes. This translates into less dead weight of a building and allows entire structure to be lighter therefore reducing amount of steel and concrete used in structural components like beams, columns and rooffloor slabs. Autoclaved aerated concrete is a versatile lightweight construction material and usually used as blocks. Detailed view of cellular pore structure in an aircrete block. Its main ingredients include sand, water, quicklime, cement and gypsum. Nabil taha has over 27 years of structural engineering experience. Business listings of aac block, autoclave aerated concrete block manufacturers, suppliers and exporters in pune. Aac and clc blocks blocks manufacturers suppliers in.
Autoclaved aerated concrete, also known as aac blocks, is a lightweight, loadbearing, high insulating, durable building product, which is produced in a wide range of sizes and strengths. Autoclaved aerated concrete aac block machine equipments and manufacturers build it strong. Specifications smart benefits download brochure faqs order online smartblox calculator. Exeed litecrete aac is widely used in residential, public and industrial buildings and is used in all types of building structures from private houses to highrise residential and office buildings. There are 776 suppliers who sells aac block manufacturers on, mainly located in asia. The lower the epi for a building, the more energy efficient and, therefore, the lower the energy costs for heating and cooling. Composed of quartz sand, calcined gypsum, lime, cement, water and aluminum powder, aac products are cured under heat and pressure in an autoclave. Aerated concrete block, also referred to as autoclaved aerated concrete or aac, is an innovative type of concrete containing around 80 percent air.
The low density is achieved by the formation of air voids to produce a cellular structure. The top countries of suppliers are vietnam, china, and vietnam, from which the percentage of aac blocks price supply is 5%, 94%, and 5% respectively. Flyash blocks,concrete blocks,light weight cement blocks,autoclaved aerated concrete blocks,flyash bricks aac blocks by iso 9001. Autoclave aerated concrete block aac block applications. Wallnett aac block are 3 times lighter than clay bricks and 4 times lighter than concrete blocks, so more number of blocks are transported in same vehicle which save fuel for transportation compared to clay bricks concrete blocks. Proving and fixing aerated autoclaved concrete blocks masonry, aac block is to be. We develop machinery for aac blocks, plant for aac block manufacturing and automatic aac block machines with our new technology in manufacturing, which meet the specific requirements of market and consumers. In the case of special concrete masonry units such as jallie wall blocks and ornamental blocks, the specified sizes may not necessarily apply.
The compressive strength of the block is the main contribut ing factor for the strength of masonry. The minimum compressive strength for a nonload bearing unit is 1. Autoclaved aerated concrete, aac, aircrete understanding cement. Aac blocks working guidelines wallnett aac blocks, aac. Lighter, more fireresistant, and a better insulator, autoclaved aerated concrete caught on in the rest of the world ages ago. Technical specification of aerated autoclaved concrete blocks. Autoclaved aerated concrete aac is a lightweight, precast, foam concrete building material suitable for producing concrete masonry unit cmu like blocks. Infra corporate office, 2nd floor,subham velocity above passport seva kendra walford, g. Aac block comparison with bricks, comparison with bricks, aac plant, aerated, light weight concrete, aac turnkey projects, aac block iolite. This led to autoclaved aerated concrete being even safer for peoples health. The popularity of aac blocks is due to the immense advantages it offers like eco. A 5s booklet was issued in march 1970 to publicise the philympia international philatelic exhibition to be held in london in september of that year. In contrast, autoclaved aerated concrete is of much lower density than dense concrete. Lightweight aerated concrete lightweight concreteaac.
Autoclaved aerated concrete autoclaved aerated concrete, or aac, is made with fine aggregates, cement, and an expansion agent that causes the fresh mixture to rise like bread dough. Currently, aac products are manufactured in more than 40 countries and are used in more than 70 countries. Exeed litecrete aac products are one of the most innovative building materials available. Wallnett aac blocks, aerated concrete block are among the most eco and environmentally friendly building products. Autoclaved aerated cement blocks aac blocksproperties. Autoclaved aerated concrete aac is made from sand, lime, cement, water and aluminium powder acting as a foaming agent to form homogenous cellular structure, known as calcium silicate hydrate. The porous aac structure comes from being leavened with aluminum. Standard specification for autoclaved aerated concrete aac. These special concrete blocks have a number of advantages.
Blocks typically have strengths ranging from 39 nmm 2 when tested in accordance with bs en 7711. To meet the thermal efficiency requirements of that code, the epi must not exceed a value of 100. Buildmate is the leading manufacturer of autoclaved aerated concrete aac plant. This study calculated the epi for a building which utilized 8inch thick aercon block for the exterior walls. In this video you can watch detail description about aac blocks. Use of technical manual for hebel aac block structures.
Fly ash is a group of materials that can vary significantly in composition. Aac block faq autoclave aerated concrete block aac. What is chemical used for aac block joints in construction. Compare between bricks and aac blocks, know their composition, size, weight. Aac offers incredible opportunities to increase building quality and at the same time reduce costs at the construction site. Aac plant is designed for manufacturing aac blocks, aac blocks is a unique and excellent type of building materials due to its superb heat, fire and sound resistance. Theyre strong, light and provide better sound and thermal insulation than conventional blocks. Block joining adhesive magicbond is a high strength adhesive for quick and firm laying of aac blocks with thin joints. Aac blocks are well suited for urban areas with high rise buildings and those with hightemperature variations. Know the technical specification of aac block like size, compressive strength, thickness, dry density, sound absorption, thermal resistance, heat transmission and drying shrinkage etc. In the factory where it is made, the material is molded and cut into precisely dimensioned units.
You can also choose from autoclaved aerated concrete, vacuum extruder aac block manufacturers, as well as from brick cutting machine, brick molding machine aac block manufacturers, and whether aac block manufacturers is cement, fly ash, or sand. Aac can be produced in a large variety of sizes, from stand blocks to large reinforced panels, and it can be cut, sawn,drilled,nailed and milled like wood, making it an extremely workable product, aac is environmentfriendly and new building material. A wide variety of aac blocks price options are available to you, there are 568 suppliers who sells aac blocks price on, mainly located in asia. Aac blocks have taken the construction industry by storm in asia with africa set to follow the course. Red bricks, chamber bricks, table mould bricks, clay wirecut bricks. Autoclaved aerated cement blocks aac blocks properties and advantages autoclaved aerated concrete is an ecofriendly and certified green building material which is lightweight, loadbearing, highinsulating, durable building blocks and 3 times lighter when compared to red bricks. Magicbond is a factory mixed mortar made up of cement, graded sand and blended with polymers to impart high strength and water retention properties even when in thickness of 23 mm layers. Technical specification for aac blocks and technical comparison between aac and brick block. Aac concrete cement blocks, autoclaved aerated concrete blocks. Comparision between brick and aac block parameter aac block clay bricks size length x height x. Aac blocks during the process of manufacturing, as t. Aac block produced by aac block machine has many advantages such as lighter quality, better heat preservation property and better sound absorption or insulation effect in comparison with common brick. Find here aac block, autoclave aerated concrete block suppliers, manufacturers, wholesalers, traders with aac block prices for buying. It has a density of 600kgm3 and is particularly lightweight.
A new 5s booklet was introduced containing 5d stamps, and the 10s booklet composition was changed to include 5d stamps. The requirement of mortar for the laying of aac blocks is reduced due to the lower number of joints. Advantages a smooth technology flow, independent circulating line of template, side plate and autoclave, nonintervene equipments enhance operation efficiency and safety. Due to its lower density, high rise buildings constructed using aac require less steel and concrete for structural members. Wallnett aac blocks, aerated concrete blocks manufacturers. Light weight cement blocks,autoclaved aerated concrete. To make brikolite replace all types of concrete blocks and conventional clay bricks in the construction. Difference between bricks and aac blocks dimensions of. Pdf autoclaved aerated concrete aac is an ultralight concrete masonry product. There are many companies offering this product some of the brand names are ultratechacc. This cellular structure gives aac a number of exceptional physical characteristics.
Different companies call it by different name, some say block jointing mortar, some call it block adhesive whole some others call it block jointing chemical. Exeed litecrete aac block building materials abu dhabi, uae. Of course, the journey had begun in europe hundred years ago. The leading manufacturer of precast autoclaved aerated concrete products. In 1975, ytong stopped using a type of slate, which is considered unsafe for people, in its concrete products.
Aac block calculator, smart block calculator jklakshmi. He patented this method and opened his own company called hebel which also manufactured autoclaved aerated concrete. Composition of aac blocks brikolite by lohia group. Product sizes aercon aac autoclaved aerated concrete. Avoid wastage of materials while constructing your home by estimating the number of blocks required with our aac block calculator. Autoclaved aerated concrete is quite different from dense concrete i. It can weigh as little as 15 as much as ordinary concrete due to its distinct cellular structure featuring millions of tiny pockets of trapped air. It is a known fact that when the prepared block is cured in autoclave and in high steam to help the blocks reach its desired strength that almost describes the composition that blocks are so famous for. Aac blocks are light weight aerated autoclave concrete block. From aac multitek waterproofing to breathable paint, roxsil offers a complete product range that caters to a complete aac block wall installation process. Requires more due to irregular surface and more number of joints. You see buildings after buildings without a crack in aac masonry and then you see a project that is full of cracks in the masonry walls.
455 226 1484 489 466 274 1489 476 1513 498 939 1452 81 4 487 1065 539 251 298 212 645 868 552 1066 1387 836 1153 290 685 1054 800 228 1390 293 1008 458 470 866 380 1493 95 1196 335 171