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. The fly ash bricks are promoted as an alternative to burnt clay bricks within the construction sector in india. Differentiate between clay bricks and fly ash bricks. Construction agencies are engaged in various contructing activities like well equiped shopping malls or. Moreover, fly ash bricks have been produced with a naturally occurring reddish colour similar to that of normal clay bricks. For instance, c67 requires that test samples half bricks be first dried in a ventilated ov en. Fly ash bricks vs clay bricks which is best for house. Fly ash bricks fly ash bricks are gaining momentum in construction. School of aerospace, civil and mechanical engineering, university of new south wales at the australian defence force academy, canberra, act 2600. Fly ash bricks are manufactured by mixing fly ash, cement, sandstone dust and water. Fly ash bricks are of cement color while the colour of clay bricks differs from burnt red to light brown depending on the type of clay used for manufacture of the bricks.
Pdf sustainable building materials fly ash bricks pri. The bricks manufactured from fly ash possessed compressive strength higher than 40 mpa. Flyash bricks are slow but surely replacing conventional clay bricks for constructions. School of aerospace, civil and mechanical engineering, university of new south wales at the australian defence force. Apart from exhibiting characteristics comparable to those of normal fired clay bricks, the fly ash bricks. Compressive strength of fly ash brick with addition of lime. Properties of bricks made using fly ash, quarry dust and. They are used as replacement for normal clay bricks and has better properties than it. Bottom ash is that portion of ash which can be collected frothe bottom portion of the boilers. 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 technology is a process of converting industrial waste materials.
Red bricks vs aac blocks vs fly ash bricks vs solid. What are the advantages and disadvantages of using fly ash in. Fly ash bricks and comparison with clay bricks composition, uses. Read about company and get contact details and address. 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. Fly ash bricks sales run into clay brick wall visakhapatnam. The use of fly ash gives concrete good work ability, durability and finish. What are the pros and cons of hollow cement block building construction vs. This paper presents the findings of investigation carried out on bricks made using fly ash and bottom ash using a nonconventional method.
Fly ash bricks mixing formulas,best,mixing ratios,strength. This exceeds some of the best of load carrying clay bricks available by. We just built and shared a free cap table template you can download. The values of these characteristics for fly ash bricks are excellent and have exceeded those pertaining to clay bricks. Fly ash bricks free download as powerpoint presentation. The characteristics that differentiate between these bricks are. This report will emphasis on the scope of application of flyash bricks in the current market, its advantage over clay bricks and its effect on the environment. Fly ash bricks synonyms, fly ash bricks pronunciation, fly ash bricks translation, english dictionary definition of fly ash 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. T he first problem stems from the fact that c67 was designed for testing fired clay bricks instead of non fired fly ash bricks, which have different characteristics.
Fly ash bricks are the bricks made up of ash of coal collected as a waste product form the home or coal industry. What are the differences between a clay brick and a fly ash brick. Fly ash concrete is resistant to acid and sulphate attacks. House construction cost calculator excel sheet free download.
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. The textures of the bricks with fly ash were very similar to that of clay bricks. The production of these bricks are growing in the market because of its relatively. The combination of 7030 for flyashcommon sand with 15% sodium. Comparison between fly ash bricks and clay bricks dream. Jan 10, 2012 use of fly ash bricks cost effective house fly ash bricks in this days, the cost of the construction is increased due to high rate of labours,cement,steel,sand, bricks and all type of construction materials. The quality of fly ash can affect the quality and strength of cement.
Here we have given a comparison between masonry units to help you make the right choice. Fly ash brick fab is a building material, specifically masonry units, containing class c or class f fly ash and water. The strength and durability properties of color adsorbed fly ash bricks are studied and compared with conventional fly ash bricks. Fly ash bricks and comparison with clay bricks composition. These blocks manufactured by us at aercon india are of lesser joints and hence require less of mortar. Fly ash bricks technology is a process of converting industrial waste materials into quality building materials. Normally the actual cement quantity required will be.
Today india is amongest the leading nation in the field of construction. Fly ash bricks vs clay bricks free download as word doc. Optimum percentage of fly ash using various combinations of material in the brick like lime, cement and clay are studied and their effect on. Fly ash is that portion of ash which iscollected from the hoppers of esps and pond ash is collected from theash ponds. The colour of fly ash brick is same as the manufacturing is carried out using machinery in controlled condition. Which is better a fly ash brick or a normal red brick. Use of colour adsorbed fly ash in brick manufacture.
While comparing red bricks vs aac blocks vs fly ash bricks vs solid concrete blocks vs clc blocks, there arises confusion in selection of masonry units for constructing a house. The brickkiln industry faced a major blow, but soon enough the fly ash bricks or aac blocks industry got a kick start as people found it easy to set up plants for them and the ease of building them is also relatively tempting. 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. Scribd is the worlds largest social reading and publishing site. Pdf this paper presents fly ash brick properties, manufacturing process. Here we have compared both the bricks on the basis of their characteristics which will certainly help you to choose the better one. There sure are pros and cons of both bricks and blocks which can make us understand which should be used. Optimum percentage of fly ash using various combinations of material in the brick like lime, cement and clay are studied and their effect on different properties of bricks have been discussed. Advantages and disadvantages of using fly ash bricks over clay bricks answer rajiv kaushik i think big issue with flyash bricks is that, cement is use in these bricks as binding agent.
It is found that the fly ash effectively removes the color, tds, hardness and other toxic elements from the dye effluent and also provides a remedy to the disposal problem of fly ash. Bricks were cast using selfcompacting mixtures of bottom ash, fly ash and cement eliminating both pressing and firing. Recently one of our readers asked about the differences between fly ash bricks and clay bricks. Fly ash bricks mixing formulas for making high strength bricks. The bricks made are of a typical size and they do not have much strength as compared to that of aac blocks. 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. Performance of bricks made using fly ash and bottom ash. Fly ash bricks definition of fly ash bricks by the free. Bricks or blocks which are better for construction. 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. Fly ash bricks are hitech wellimproved quality bricks used for construction of brick masonry structures.
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 and comparison with clay bricks composition, manufacture. It uses fly ash, which is by product of thermal power stations. Pdf comparative study on fly ash bricks and normal clay bricks. Fly ash bricks and clay bricks manufacturer standard bricks. Building byelaws and standard dimensions of building units. Not in uniform colour as the colour of brick depends upon type of soil and quality control during production. Let us look at the table to see how aac blocks are different from the clay burnt bricks. The optimum ratio of fly ash and billet scale, quarry dust and billet scale is found to be 1.
In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Advantages and disadvantages of using fly ash bricks over. Raw materials fly ash s the inorganic mineral residue obtained after burning ofcoallignite in the boilers. The new bricks and process have been given the name fly ash bricks. Cost wise, it may be dearer by about 10%, but advantages are more compared to clay bricks. In following astm c67 method s to test fly ash bricks, several problems exist. Pdf comparative study on fly ash bricks and normal clay.789 1108 686 962 321 1335 781 278 251 885 508 239 943 1481 1090 1200 1131 1240 601 183 925 1463 954 343 1199 400 965 57 1329 429 30 63 615 1112 97 1165 1045 84 314 554 982 416 612 772 1291 1359