AAC material conforms to ASTM C1693, and AAC masonry blocks are available in a variety of sizes. Such a process is called aeration. 2 to 6 (Depending on Thickness) 2: Thermal Conductivity “K” Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression.Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 at the same bit rate.. AAC has been standardized by ISO and IEC as part of the MPEG-2 and MPEG-4 specifications. AAC is well suited for high-rise buildings and those with high-temperature variations. The thickness ranges from 50 ~ 400mm. AAC LIGHTWEIGHT BLOCK The Lightweight Block commonly known as AAC is about 1/5 lighter than concrete in volume. Aluminum powder – 0.07%. We manufacture the AAC blocks in a variety of sizes. The size of the AAC block is generally large which leads to faster masonry work. AAC Blocks are generically lightweight due to the aeration process in the concrete during production allowing it to achieve a density of 480kg/m 3. Macro pores are small air bubbles evenly distributed throughout the material. Different between slow sand filter(SSF) and rapid sand filter(RSF). What are Biltech ACE blocks/panels made of? Usage reduces overall 60% dead load of a building, thereby allowing the construction of high-rise buildings. AAC blocks are 3 to 4 times lighter than conventional red bricks, therefore, easier and cheaper to transport. It produces at least 30% less solid waste than traditional concrete. AAC blocks are precast, lightweight autoclaved aerated concrete and is a concrete building material which is used for producing concrete masonry units like blocks & under heat and pressure, AAC products are cured and composed of quartz sand, lime, water, cement, aluminum powder and calcined gypsum. Title: Data Sheet AAC Final 1 Author: creative1 Created Date: 12/19/2016 1:57:50 PM 3. Manufacturing Process of AAC Block. AAC block is a special type of concrete block made up of fine aggregates, Portland cement, water, and another expansion agent (Aluminum powder). Under such steam and pressure, sand reacts with calcium hydroxide to form calcium silicate hydrate, which gives high strength to the AAC block. Autoclaved Aerated Concrete is an eco-friendly and certified green building material which is lightweight, load-bearing, high-insulating, durable building blocks and 3 times lighter when compared to red bricks. AAC block is alternate materials for building materials that have similar properties as wood. SPECIFICATION brikoliteadmin 2017-09-04T10:39:39+00:00. Basic AAC block in the standard size of 8 x 8 x 24 inches costs about $2.20 to $2.50 per square foot as of July 2018, slightly more than standard concrete block, which costs about $2.00 per square foot. When the foaming agent is diluted with water and air, further it is mixed into the cement slurry. Product Specification. 3701 CR. The Lightweight Block commonly known as AAC is about 1/5 lighter than concrete in volume. Installation during rainy season leads to crack after installation. Low weight, high strength, dimensional accuracy. List given hereunder is not to be considered as conclusive and is for reference and guidance only. They are normally 9-12 kg in weight depending upon moisture conditions. AAC was developed in 1924 by a Swedish architect, who was looking for an alternate building material with properties similar to that of wood – good thermal insulation, solid structure and easy to work with – but without the disadvantage of combustibility, decay and termite damage. 1 AAC Block size = 6 * brick size 1 AAC Block weight = 1/2 of aggregate block weight 2. 544 East, Haines City, Florida 33844 +1-(863)-422-6360 Brikolite Sizes. Reduces a dead load of building on the foundation. Standard size of AAC block & price in india AAC block size in india:- AAC Block size in India are regular size is 600 mm × 200 mm × 100 mm and in inches is 24″ × 8″ × 4″ (length × height × width). Thus, AAC blocks have … 30% reduction in air-conditioned load, Sand/Flyash used around 60 - 70 % which reacts with Lime & Cement to form AAC, Soil is used which contains many inorganic impurities like sulphates etc. AAC Block Specifications Properties of AAC Block Specifications General Size 625 mm * 240 mm * (75-300) mm Thickness 50,75,100,125,150,200,225 Minimum Compressive Strength 3 to 4.5 N/mm2 (IS 2185) Minimum Dry density 450 to 650 Kg/m3 Thermal Resistance 0.8-1.25 per inch of thickness Allowable Shear Stress 8-22 psi Sound Absorption Up to 42 De Fire Resistance 4* Hours Thermal … The blocks are easy to install, nail, drill and cut for pipes and conduits and . AAC or autoclaved aerated concrete blocks are lightweight, precast green building materials used in residential, commercial, and industrial construction.This type of concrete contains 80 percent air. Saving on Steel up to 15%. 50kg of AAC Block Adhesive thin bed morta r with Approx. 2. They are manufactured with advance machine and technology which uses heat and pressure method known as autoclaving to cure. Suitable for use in areas with extreme temperatures. Zero Saving. Title: Data Sheet AAC Final 1 Author: creative1 Created Date: 12/19/2016 1:57:50 PM But AAC blocks minimize the disadvantage of using timber as a construction material. What Is AAC Block? Block sizes are equivalent to 9 conventional bricks (600x250mm). 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. First a fall, autoclaved aerated concrete is produced by mixing silica or sand or fly ash with cement, lime, water, and expansion agents such as aluminum powder. When we mix the aluminum powder with silica or other material containing silica, there is the formation of hydrogen gas. The Sound Transmission Class (STC) rating of the AAC blocks up to 45 db. Starken Standard Blocks offer a fast, convenient and versatile solution for most walling requirements. AAC Block Production Line AAC Block are made of flyash (lime slag or sand) as main raw material,cement and lime as cementing materials,and aluminum powder as foaming agent.The main forming procedures are Material crushing,measuring,mixing,pouring,curing,cutting and steaming.As a new wall body material with the characteristics of light weight, heat preservation,energy saving,waste … Improve thermal efficiency reduces the heating and cooling load in the building. Cement (usually OPC grade 53) -33%. … Product Specification of LeichtBric regular block. Brittle nature, so handled and transported carefully. In adding to this, owing to their premium quality, lightweight, user-friendly and perfect size, these product ranges are highly appreciated among our patrons. C332 Specification for Lightweight Aggregates for Insulating Concrete. So, clay brick is preferred. It is produced with a nominal face dimension of 600mm x 200mm and requires 8.33 pieces of blocks per square metre for wall construction. Speedy construction due to its big size, light weight & ease to cut in any size or shape, All kind of fitting and chasing possible, More due to less thickness of walling material, Approx. Contact Info. I hope this article on “AAC blocks specifications” remains helpful for you. Follow ANSI Specification AN-3.8 ³Requirements for Expansion Joints ´ or TCA Detail EJ171 ³Expansion Joints ´. Fig.1 AAC block 2.2. Starken AAC blocks are easy to work with and can be cut to size with a tungsten carbide-tipped handsaw. There is a decrease of 50% of greenhouse gas emissions. Easy laying and workability. In this article you will get introduction, composition, manufacturing and AAC blocks specifications. The thickness ranges from 50 ~ 400mm. Cost. Increases workability, allows accurate cutting, Termite resistant (does not affected by termite like in timber), Earthquake resistant and design flexibility. Clay Bricks. Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression.Designed to be the successor of the MP3 format, AAC generally achieves higher sound quality than MP3 at the same bit rate.. AAC has been standardized by ISO and IEC as part of the MPEG-2 and MPEG-4 specifications. 3. AAC has a very porous structure which is characterized by "macro" pores. Check our brochure to see more information about our product. For the partition wall, the thickness of the AAC block will be more. The combustible, decay, and termite damage can be totally removed using this block. In absence International Standards shall be followed. 2. 1.1 This specification covers autoclaved aerated concrete (AAC), a cementitious product based on calcium silicate hydrates in which low density is attained by the inclusion of an agent resulting in macroscopic voids, and in which curing is carried out using high-pressure steam. AAC ranges in density from 25 to 50 lb/ft3with compressive strengths ranging from 290 psi to 1090 psi, and is well suited for both loadbearing and non-loadbearing walls. Thin-bed or Thin-joint mortar is applied at a thickness of 2 ~ 3 to the entire area of the joint surface using a notched trowel to … The raw materials we use to manufacture the AAC blocks are cement, sand, fly ash, gypsum, lime and water. Product Specification. Our AAC range is produced as a block. … These shall be latest issue. In the factory where it is produced, the concrete is molded and cut into precisely dimensioned masonry blocks or formed as larger planks and panels. Used in commercial, industrial and residential applications. Then, the hydrogen gas escape by leaving voids in between concrete, and this mould is removed and cut into small pieces (Waste during cut can be recycled). AAC blocks are precast, lightweight autoclaved aerated concrete and is a concrete building material which is used for producing concrete masonry units like blocks & under heat and pressure, AAC products are cured and composed of quartz sand, lime, water, cement, aluminum powder and … 15 ltrs of potable water. bureau of indian standards manak bhavan, 9 baiiadur shah zafar marc new delhi llulo2 gr 4 march 1985 Each block is equivalent to 7 pieces of common brick. Sound Proof: AAC blocks have been an ideal material for the construction of walls in the auditorium, hotels, hospitals, studios, etc. Thin-bed or Thin-joint mortar is applied … Continue reading "AAC Lightweight Block" (For structurally reinforced AAC product, steel rebar or mesh is also placed in mould.). After mixing, this concrete is poured into the mould of standard size. C595/C595M Specification for Blended Hydraulic Cements. Therefore, absorption of water into the AAC material is minimal. 5% and less. Thickness : 100mm, 125mm, 150mm, 200mm, 225mm & 300mm : Shape : Rectangular : Brick/Block Color : Gray : Size (Inches) 24 x 8 x 4 : Material : Cement : Application : Industrial and Civil Constructions : Product Description. AAC blocks are made by Fly ash or Pond Ash or Sand via a non-polluting process of steam curing comprising of non¬toxic elements. Each block is equivalent to 7 pieces of common brick. Sound proof The porous structure of the AAC blocks results into enhanced sound absorption. Requires more due to irregular surface and more number of joints. Then, curing is done and removed AAC block is ready for use in the construction site. The AAC products not only include AAC block, but they also include wall panels, floor and roof panels, lintels, etc. specification for concrete masonry units part 3 autoclaved cellular (aerated ) concrete blocks ( first revision ) first reprint december 1989 udc 693.5:692,327.332-437 i . C150 Specification for Portland Cement. Internal wall thickness is 110mm with a mass of 10.5 kg / block. The leading manufacturer of Precast Autoclaved Aerated Concrete Products. All rights reserved. Let us start from the introduction of AAC blocks. ASTM C1660 Standard Specification for Thin-bed Mortar for Autoclaved Aerated Concrete (AAC) Masonry ASTM C1691 Standard Specification for Unreinforced Autoclaved Aerated Concrete (AAC) Masonry Units Shreesha Building Solution started in the years 2005, are one of the foremost wholesalers with an extensive array of AAC AEROCON Blocks.Our offered range consists of best grade Autoclave Aerated Concrete Blocks, and AAC Block Trowel. AV Associate’s One Of The Leading AAC Block Supplier in south Kerala.AV Associate’s leading brand of a new age green building and versatile wall material called Autoclaved Aerated Concrete (AAC) Blocks which is a perfect solution for all kind of building structures being Schools, Hospitals, Corporates, Hotels, Individual Housing, and Apartments. AAC has passed both the Fire Test and Hose-Stream Test sections of ASTM E119. Cement Mortar for Plaster & Masonry. AAC is a lightweight material composed of silica sand, gypsum, lime and cement. Requires less due to flat, even surfaces & less number of joints. C618 Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete. Increase the chance of survival during seismic activity, Lower Environmental Impact (Use of fly ash). PARTICULAR SPECIFICATIONS MASONRY WORK – CONCRETE BLOCK WORK 1.0 INDIAN STANDARDS: Work shall be carried out to Indian Standards and Code of practices. AAC Block. Hence AAC blocks are a more eco-friendly product for construction. A low density and excellent insulation High density and lower insulation property properties due to high porosity. AAC was developed in 1924 by a Swedish architect, who was looking for alternate building material with properties similar to that of wood – good thermal insulation, […] AAC block was developed in 1924 by a Swedish architect. AAC Blocks are well suited for urban areas with high rise buildings and those with high-temperature variations. Need less due to less number of joints, flat and even surfaces Need more because of uneven surface and excess number of joints. Technical Specification of Autoclaved Aerated Concrete (AAC) Block Know the Technical Specification of AAC Block like Size, Compressive Strength, Thickness, Dry Density, Sound Absorption, Thermal Resistance, Heat Transmission and Drying Shrinkage etc. The low density is achieved by the formation The concrete so formed has a high density and of air voids to produce a cellular structure. Mixing : Use approx. Starken AAC blocks are easy to work with and can be cut to size with a tungsten carbide-tipped handsaw. The temperature of autoclave has reached about 190° Celsius and pressure about 8 bars to 12 bars. As a result, the concrete gets expand five times its original volume. Manufacturer of AAC Block - Autoclaved Aerated Concrete Block, Rectangular AAC Block, Infitech AAC Blocks and 4 Inch AAC Block offered by Infitech Group, Pune, Maharashtra. Fly-ash – 59%. 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Concrete is poured into the AAC material is minimal convenient and versatile solution for most walling....