Fly ash bricks vs clay bricks pdf file

The use of fly ash in brick manufacturing is not new. Fly ash bricks competitive in comparison to the conventional clay bricks and provide enormous indirect benefits. In our previous article fly ash bricks, we discussed about the characteristics of fly ash bricks and its advantages. Concrete brick when comparing clay brick to concrete brick, it should be noted that both materials when properly installed can provide an attractive and structurally sound wall. Lishmund 1973 suggested that fly ash can be moisturised, mixed with coarser aggregate and binding agents, pressed and fired in kilns to produce bricks, similar to clay bricks but having certain distinct.

Fly ash bricks vs clay bricks which is best for house. Keywords fly ash bricks, tests, manufacturing process i. Fly ash bricks vs clay bricks which is best bricks for home construction as we decide to build a new home, there are many question and queries comes in mind. The fly ash bricks are comparatively lighter in weight and stronger than. From the above comparison of red bricks vs aac blocks vs fly ash bricks vs solid concrete blocks vs clc blocks, the user has to make a judicial and rational choice. This exceeds some of the best of load carrying clay bricks available by more than 25% and is several times better than acceptable commercially available common clay bricks.

These included water absorption capacity, compressive strength and efflorescence test. Since this bricks have not been used on large scale for the construction work. The specific gravity of fly ash is ranging between 2. Owing to the high concentration of calcium oxide in class c fly ash, the brick is described as. This paper presents fly ash brick properties, manufacturing process material required for preparing the clay bricks and fly ash bricks as per indian standard code provisions, inspection and quality control. Use of colour adsorbed fly ash in brick manufacture.

These can be extensively used in all building constructional activities similar to that of common burnt clay bricks. The possibility of fly ash for use as building material was investigated. Clay bricks are made of clay, usually formed into a rectangular shape and burnt in a kiln at an elevated temperature to harden. Fly ash bricks definition of fly ash bricks by the free. Due to perfect size savings in cement mortar for making. Compressed at 28 mpa 272 atm and cured for 24 hours in a 66 c steam bath, then toughened with an air entrainment agent, the bricks last for more than 100 freezethaw cycles. Fly ash brick fab is a building material, specifically masonry units, containing class c or class.

Advantages and disadvantages of using fly ash bricks over. Today india is amongest the leading nation in the field of construction. Fly ash bricks with plastering on both sides will again increase more heat. Recently one of our readers asked about the differences between fly ash bricks and clay bricks. Fly ash bricks are hitech wellimproved quality bricks used for construction of brick. Engineering services technical bulletin clay brick vs.

Mar 02, 2009 price profit ratio fal g bricks with cement 2. Class f fly ash having low lime use of fly ash according to is. When coal is burnt, the incombustible clay particles are left behind as ash. Rami reddy, managing partner of vs industries, which makes fly as bricks, said, the cost of fly ash bricks is lower than clay bricks. Fly ash bricks synonyms, fly ash bricks pronunciation, fly ash bricks translation, english dictionary definition of fly ash bricks. The bricks manufactured from fly ash possessed compressive strength higher than 40 mpa. Comparative analysis on aac, clc and flyash concrete blocks. Characteristics of compacted fly ash bricks and fly ash brick masonry article pdf available in journal of structural engineering madras 412. The new bricks and process have been given the name fly ash bricks.

About us with its base in batala punjab the foundation o. Add sufficient clay rich dirt to the barrel to create a mixture with a thin puddinglike consistency. Fly ash bricks manufacturing 10 points to consider. Fly ash bricks consume only 65 kg cement for the construction of 1 m. Fly ash bricks are hitech wellimproved quality bricks used for construction of brick masonry. Fly ash brick fab is a building material, specifically masonry units, containing class c or class f fly ash and water. Difference between red bricks and fly ash bricks youtube. With 14 years of experience in the realm, we have been offering excellent quality bricks such as fly ash bricks, fly ash blocks, fly ash bricks 6 inches and fly ash bricks 4 inches. Pdf this paper presents fly ash brick properties, manufacturing process material required. Shall conform to grade 1 or grade 2 as per is 3812. Fly ash bricks and comparison with clay bricks composition, uses. Here we have compared both the bricks on the basis of their characteristics which will certainly help you to choose the better one.

This exceeds some of the best of load carrying clay bricks available by. Fly ash bricks sales run into clay brick wall visakhapatnam. Jan 31, 2016 classes or burnt clay fly ash bricks is 757 1993 code specifications 8. In this work, the colour adsorbed fly ash has been used in making bricks and the strength properties of the bricks are studied. Since may2016, our bricks supply store has been providing builders, contractors, repairmen, and private homeowners with high quality products and expert services with low cost. Fly ash bricks fly ash bricks are gaining momentum in construction. Pure fly ash and certain amount of mixing water 17. Stresses in fly ash brick using different proportion of lime, cement. When the proportion of fly ash in bricks is 50% by volume, the plasticity indices of mixtures decreases to 9. Fine particulate ash sent up by the combustion of a solid fuel, such as coal, and discharged as an airborne emission or recovered as a byproduct for. The influence of cement content in geopolymer fly ash based bricks has been studied. Fly ash bricks are hitech wellimproved quality bricks used for construction of brick masonry structures.

Fly ash 15 to 50% lime5 to 30% gypsum2% quarry dust45 to 55% casting of fly ash brick for different mix percentage testing of fly ash bricks compressive strength 7,14,21 days water absorption optimal mix % and strength. Introduction the requirement of energy for the developing countries in particular area is fulfilled from the combustion of coal. Hand moulded handmoulded bricks of 90 mm or 70 mm height shall be moulded with a frog 10 to 20 mm deep on one of its flat sides. Fly ash is an industrial waste of thermal power station using pulverized coal.

Moreover, fly ash bricks have been produced with a naturally occurring reddish colour similar to that of normal clay bricks. The values of these characteristics for fly ash bricks are excellent and have exceeded those pertaining to clay bricks. Cost wise, it may be dearer by about 10%, but advantages are more compared to clay bricks. Pdf characteristics of compacted fly ash bricks and fly. Fly ash bricks resist salt and other sulphates attack, ensuring no efflorescence in the structure. When we are manufacturing one metric ton of cement equal quantity of co2. Add the water first, or the dirt will stick to the side of the barrel and make it more difficult to create the correct mixture and consistency. Fly ash bricks mixing formulas, this is widely used mixing ratio to make quality fly ash bricks.

Pdf comparative study on fly ash bricks and normal clay. Construction agencies are engaged in various contructing activities like well equiped shopping malls or. But it has good scope in future, because this brick is being manufactured from the waste material known as fly ash which generally comes from the industrials waste in mass, manufacturing of this bricks avoid the difficulty of dumping fly ash too. Fly ash generally contains about 5% to 6% unburnt carbon. Fly ash bricks are made of waste materials which come from the combustion. Fly ash concrete block are lighter in weight because of partial replacement of fine aggregate and fully replacement coarse aggregate. Burnt clay fly ash building bricks specification number of amendments. Study on fired bricks with replacing clay by fly ash in. The utilization of fly ash bricks results in conservation of natural resources as well as protection of environment. Comparison between fly ash bricks and clay bricks dream. Pdf characteristics of compacted fly ash bricks and fly ash.

Compressive strength of fly ash brick with addition of lime. Red bricks vs aac blocks vs fly ash bricks vs solid. Sunrise fly ash bricks is the leading name throughout jabalpur mp for supplying fly ash bricks. Legally binding document step out from the old to the newjawaharlal nehru. Fly ash bricks and comparison with clay bricks composition. Other important characteristics of the fly ash bricks have been evaluated. Fabricated using high grade raw material, our precise range is diversely used in construction industry. However, when comparing the two products the following points should be kept in mind. Pdf comparative study on fly ash bricks and normal clay bricks. According to mr n nandakumar, governing council member of credai, nearly 10% of structures that are coming up in the city are green buildings. Fly ash bricks mixing formulas,best,mixing ratios,strength. Engineering services technical bulletin general shale. Mix the dirt into the water with a paddle mixer to form a clay slip. A comparative analysis burnt bricks versus autoclaved aerated concrete blocks parameter burnt clay bricks aac blocks remarks 1 from thermal plants.

Machine moulded have smooth surface and sharp corners the fly ash. Clay and stabilized soil products for construction ced 30 designator of legally binding document. After this the mixture is discharged and sent to manual presses for moulding. Due to this reason various alternatives such as aac blocks, fly ash bricks, solid concrete blocks, and clc blocks should be used for constructing a wall. The fly ash, cement, silica fumes mixed with 2 molar of alkaline solution with varying cement content from 0%. Which is better a fly ash brick or a normal red brick. Introduction fly ash bricks are made of fly ash, lime, gypsum cement and sand. Fly ash bricks vs clay bricks free download as word doc.