aac block work procedure
Presenting 2. Foundation.All concrete block walls must rest on a sturdy foundation of poured concrete. How to Do AAC Blockwork 3. The whole-block specimen with top and bottom gauges was shown to be inadequate. Wo The low dry density of AAC blocks reduce the load on the foundation and other structural components in a structure leading to 55% reduction in weight of walls. Material specifications for AAC are prescribed in ASTM C1386. They are much easier to handle on the site. 3.1.Adhesive is prepared to conform to consistency and preparation in accordance with requirements and manufacturer recommendations. AAC blocks need to be tested in a certified lab before you construct a house. Mortar - Duraseal (40 Kg Bag) Bags : Clear Lay AAC blockwork. However, labor costs for AAC can be lower because its lighter weight makes it easier to handle and install. Restraint Posts:-All restraint post around windows shall be provided as per approved shop drawings, during the AAC block work construction. 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. AAC Bricks Installation, AAC Blocks Installation, aac block work procedure read more Autoclaved Aerated Concrete is a Lightweight, Load-bearing, High-insulating, Durable building product, which is produced in a wide range of sizes and strengths. This pictuorial guide line easy to understand and you will get whole idea about its working. Dry density of AAC block varies from 451 kg/m 3 to 1000 kg/m 3. During the several phases of this study, some care was taken to improve the procedure. Scaffolding to be braced adequately. The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support, but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line. 2. The minimum compressive strength shall be 7.5 N/mm2 for non-load-bearing block work and 12.5 N/mm2 for load-bearing block work, using Sulphate Resisting Cement and Openings. The inner & outer walls are interconnected by means of … WORK PROCEDURE FOR AAC BLOCK MASONRY Work Procedure No. • Aerocon block is extremely light, just one-third the weight of clay bricks or one-fourth the density of R.C.C. 1.8. Because of reduction in self-weight, AAC block construction attracts less earthquake load. 2) Smoothing over the block work: Before placing mixed mortar, apply a bonding layer of 1 to 2mm thick AAC Block Adhesive mortar using a trowel pressing down on the block work. Working Guidelines for AAC Blocks. Since all brick/block work is waterproofed plastered externally you should not be worried about the dampening of internal walls. The placed mixed mortar on the block work in 3mm (As per required by consultant or Engineer) using trowel and place the next layer of blocks on the mortar. The density of each block calculated as follows: Density in kg/m 3 = Mass of block in kg/Mass of block in cm 2 * 10 6. 3.3.AAC block is laid in running bond and set out to AAC Block Prices . Fly-ash – 59%. The width of AAC Block joints to be approximately 3mm with the mortars (as per required by the engineer). The Autoclaved Aerated Concrete (AAC) material was developed in 1924 in Sweden. As the AAC block is very easy to handle, manipulate and use ordinary tools for cutting the wood such as the drill, band saws, etc. 3.2.1 The nominal dimensions of the concrete block shall be as follows: I,ength 400,5000r600mm Height 200,250 or 360 mm Width 100,150,200 or 250 mm In addition, block shall be manufactured in half lengths of 200,250 or 300 mm to corresponcl to the full lengths. Autoclaved Aerated Concrete (AAC) is a lightweight, concrete-like material with many small, closed internal voids. Safety and Protection Blocks shall be stacked properly near the place of work (Do not stack too large quantity near the work area thereby causing safety hazard). The ECO PANEL (AAC) system is an innovative Autoclaved Aerated Concrete light -weight cement-based material, incorporating small uniformly distributed bubbles that result in its unique properties of lightness, high thermal resistance, workability and streng th. Ensure to read the brickwork construction procedure provided by the client ; Cement mortar ratio should be 1:6 for 9” Brickwork and 1:4 41/2” brickwork ; Mortar thickness should not be more than 10 mm between the courses and sides of the bricks; Ensure you are … Manufacturing Process of AAC Block. 3.10 ‘Solid Block — A block which has solid material not less than 75 percent of the total volume of-the block calculated from the overall dimensions. 3.11 Webs — The solid sections of the hollow concrete blocks which connect the face shells. AAC Blocks is lightweight and compare to the red bricks AAC blocks are three times lighter. AAC Block laying process is almost similar to brick masonry only a few differences are there . 2.0 Scope This work procedure covers AAC masonry work to be executed in the substructures/super structures of different buildings as specified in the approved drawings. Moreover, the AAC blocks come with larger sizes and fewer joints. 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, […] 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 Specifications Composition. 3. Scope: The intention of this document is to describe the various steps involved to be carried out to execute the Block works to meet the requirements of Specifications. ECO PANEL (AAC) are also steel reinforced AAC … 1. Presentation on how to do AAC Blockwork 1. Laying of AAC Block masonry shall be as per IS 6041 of 1985 and IS 1905 of 1987. Step by step working guide line for AAC Blocks. 4. AAC Block: Clay Brick: Size: mm: 600 x 200 x (75 to 300), 230 x 75 x 115: Size Tolerance: mm ± 1.5 ± 05 to 15: Compressive Strength: N/mm 2: 3 – 4.5 (IS 2185 part 3) 2.5 to 3.5: Normal Dry Density: Kg / m 3: 550 – 650: 1800: Sound Reduction Index: Db: 45 for 200 mm Thick Wall: 50 for 230 mm Thick Wall: Fire Resistance: Hrs. Height of the stack should not be more than one and half meter. 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. Solid sections of the stack should not be more than one and half meter around windows be...: work PROJECT: Page 1 of 6 1.0 Objective to provide general for! Cement - Sand mortar smoothen usi ng a sponge or rubber / wooden float for engineer! 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