First conceptualized and invented by Swedish architect and inventor Johan Axel Eriksson in 1924, AAC blocks are particularly known for their fire, heat and sound-resistant properties. Write test methods. Solvent Retention Capacity Profile - Automated Measurement. A gap between these walls provides for in de-pendent movement and construction tolerance. There are 3 Strength Classes deigned for AAC block products in ASTM C 1691 and 3 Strength Classes deigned for reinforced AAC elements in ASTM C 1694. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. The results of the test … BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAIIADUR … AERCONâs high insulating properties, which surpass most other building products, also provide on-going energy savings for the building owner by increasing the buildingâs thermal efficiency. 1.3 The values stated in inch-pound units are to be regarded as standard. In this paper, methods of testing the drying shrinkage of concrete blocks are evaluated. This article describes the experimental evaluation and statistical variation of useful mechanical properties of AAC and its thick mortar (a mixture of cement, sand and water) based masonry. The AAC specimens were then kept in pressurized chamber at the pressure of 10–12 bars and the temperature of 180–190°C for 8 hours. All different methods of communication should be valued and respected. ‘‘Conclu-sions’’ section concludes the paper. AAC Block is one third and a quarter lighter than the equivalent fired clay brick and concrete block. Even people with some spoken communication, may benefit from AAC. If you want information that is common to all tests, it can be inserted in the test setup method and queried in each test method. This test method provides a standardized procedure for measuring the sound transmission loss in decibels (dB) in the frequency range of 125 to 4000 hertz. The prism is tested as a simply supported beam, uniformly loaded by means of an air bag in one method and third point loaded in the other. You could modify the static in one test method, which would make the order in which tests operate relevant to the results. When wall plate anchors are used to connect cladding panels to a superstructure, the Strength Class for those panels may be identified as AC3.3 or AC4.4 based on the connection capacity required. Statistical methods are used to ensure the check is robust and accurate during periods of server and network lag. In order to compare an AERCON exterior wall with conventional wall construction methods wood stud frame and concrete masonry the Florida Solar Energy Center determined equivalent R-values for an 8-inch AERCON wall. ASTM E331: Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference. AAC blocks are further strengthened by high pressure steam curing in autoclaves. This standard does not purport to address all of the safety concerns, if any, associated with its use. These include two oven-dry methods, a distillation, and what the standard calls other methods. Since the AAC physical requirements identified in each specification are the same, AERCON uses abbreviated identifications for the ASTM designations as shown in the table below. If speech is limited, AAC can help. JOINTING :- Keep it Limited to 10 to 12 mm with regular cement mortar and 3 to 4 mm with ready made jointing mortar . Lightweight and fairly energy efficient, it is produced by adding a foaming agent to concrete in a mould, then wire-cutting blocks or panels from the … ASTM E 519 âStandard Test Methods for Diagonal Tension (Shear) in Masonry Assemblagesâ In order to achieve the proper structural design of a building to resist lateral loads utilizing shear walls, the strength and rigidity of the basic structural elements used in the shear wall construction must be accurately known. C144 Specification for Aggregate for Masonry Mortar. Packaging . The leading manufacturer of Precast Autoclaved Aerated Concrete Products. An assemblage is considered to have passed the fire exposure portion of the test if the temperature on the unexposed face remains below a certain value, thus measuring its heat transmission. 3701 CR. This is precisely what you don't want - data dependent tests. This test method provides a standardized procedure for determining the amount of water that completely penetrates a wall assemblage. Toll free no. ASTM C 1452 âStandard Specification for Reinforced Autoclaved Aerated Concrete Elementsâ Reinforced elements consist of steel reinforcing bars welded into mats and encapsulated by autoclaved aerated concrete. E518/E518M Test Methods for Flexural Bond Strength of Masonry. Fly ash may be used as a sand replacement. Source of specimens : Supplied by client . This test method provides a relative measure of the ability of an assemblage to prevent the spread of a fire while maintaining its structural integrity. The AAC block wall will be tied into concrete slab soffit using galvanized walls ties LPSW 200x25x3x30 mm, placed at every 800 mm. The table below shows the manufactured dimensions associated with the nominal dimensions. 1.1 This specification applies to thin-bed mortar for autoclaved aerated concrete (AAC) masonry. 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