It acts as a binder which binds aggregate and sand together in concrete. The slab may be supported by walls or by reinforced concrete beams usually cast monolithically with the slab or by structural steel beams or by columns, or by the ground. Another commonly used finishing technique on maple is to apply tung oil or linseed oil after the final sanding. After the geolift has done its magical work, the last thing left to do is patching up the holes. Pdf filler slab as a continuous tbeam slab low cost as. Watch our video on 10 futuristic construction technologies for most exciting construction innovations of the near future. Construction of a slab with terracota pots nandanam kindergarten auroville, india. Whether youre pouring a concrete walkway or staking out the excavation for a basement foundation, doing the job right demands a thorough knowledge of concrete construction techniques. Costeffective architecture for comfort and economy. A rc filler slab with nonautoclaved cellular concrete blocks for. Slabs are constructed to provide flat surfaces, usually horizontal, in building floors, roofs, bridges, and other types of structures.
A slab tensioned against hardened concrete after the construction of the slab is called post tension slab. The idea is to substitute the conventional concrete roof. These oils tend to bring out the curly or tiger looks of the maple. The twelfth east asiapacific conference on structural engineering and construction cost effectiveness of using low cost housing technologies in construction vivian w. The filler blocks are 110 mm thick and 260 x 560 mm at top tapering down to 250 x 550 mm at bottom. Jali formerly pierced stone panels is one of indias oldest methods of.
The principle is easily observed when holding together several books by. It was observed that with if the filler slab can be used as an alternative to conventional slab the cost of construction can reduce upto 25%. Filler slab is a construction of roof slab using cement and fillerlike clay tiles or coconut shells with steel rods used as a skeleton. Construction methods for lowcost housing scholars mine. Although this is essentially a very simple subject, slabs can be used to make the most basic of forms to the most complex. Tam1 1 school of engineering, university of western sydney abstract adequate shelter for all people is one of the pressing challenges faced by the developing countries. Thus the filler slab as the roof has the following advantages. For most families, housing is perhaps a major goal of family saving effort. Concrete is good in taking compression and steel is good in tension.
The available alternative construction methods and materials facilitate the cost. There is huge misconception that low cost housing is suitable for only sub standard works. In working with concrete, veteran builder rick arnold explains everything from mix characteristics and formwork options to waterproofing details and repair. A short presentation about filler slab including its introduction, parts, materials, mechanism, and advantages. Flat slab types of flat slab design and its advantages. The methods of using low cost housing techniques in india. Consumes less concrete and steel due to reduced weight of slab by the introduction of a less heavy, lowcost filler material like two layers of burnt clay tiles. Costford was registered as a nonprofit voluntary organization in 1984 and started its construction activities in 1986. The grid size depends upon the design, span, and the material used. The filler materials are laid in the grids of steel reinforcement rods 6mm or 8mm dia. Epoxy resin makes a great inlay material because it allows you to create delicate, complicated patterns without having to cut and match delicate, complicated inlay pieces. The filler slab is based on the principle that for roofs which are simply supported, the upper part of the slab is subjected to compressive forces and the lower part of the slab experience tensile forces. Low cost housing is a new concept which deals with effective budgeting and following of techniques which help in reducing the cost construction through the use of locally available materials along with improved skills and technology without sacrificing the strength, performance and life of the structure.
It also looks at building largescale pieces and the problems associated with it. Filler slab roofs are designed using the same principles as normal rcc, except for replacing part. Construction, filler slab, flyash, nonautoclaved cellular concrete. For mangalore tiles size 23cm by 40cm, the grid size is 33cm by 50cm. The concrete in this portion is only for holding together the steel reinforcement and has no structural purpose.
This spray foam will fix any of your concrete problems. Waterproofing techniques in construction waterproofing. Filler slab free download as powerpoint presentation. The house reflects hisher socioeconomic status in society. Cost effective environment friendly construction technologies. Waterproofing is essential as it prevents water from penetrating buildings and helps to keep the interior areas dry. Waterproofing in building construction is the process of making a structure waterresistant or impervious to the ingress of water. There are many different soil conditions and corresponding slab designs. Construction chemical treatment of the soil around or.
This short video shows you the building that was built using rat trap bond walls and high ceiling to regulate the temperature inside the building. Once the holes have been set, the geolift is injected in between the concrete and the dirt. This can be of a better thermal comfort if a cavity is kept between the filler material or the filler material itself has a cavity. Filler materials used in concrete civil engineering. Quora user, qa qc manager in civil construction discipline. Engineering considerations for liftslab construction books. Low cost housing is a new concept which deals with effective budgeting and following of techniques which help in reducing the cost construction through the use of locally available materials along with improved skills and technology without sacrificing. The technique requires very basic construction materials. Slab techniques ceramics handbook paperback august 30, 2010 by jim robison author, ian marsh author 5.
The foam will fill up the parts of the concrete that are uneven and will raise it to the proper height. Filler slabs is a very effective civil engineering method, but is far less popular to the general knowledge. Flat slab construction can deeply reduce floorto floor height especially in the absence of false ceiling as flat slab construction does act as limiting factor on the placement of horizontal services and partitions. Hence the steel reinforcement is placed in the tension zone. This will secure your potential wall firmly to the base.
How to create dramatic inlays with epoxy finewoodworking. Filler slab with terra cotta pots as fillers filler slab roof construction. In 1987, the collapse of ambiance plaza in bridgeport, connecticut, demonstrated the need to reevaluate the engineering of liftslab construction and determine what is needed to make it safe. Level the freshly poured concrete by running a 2x4 across the top. By adopting rcc filler slab construction compared to a rcc solid conventional slab in case where manglore tiles are used as a filler material, you can save on approximately 19% of the total concrete and including the cost of filler material, you can save around 510% of your concrete cost.
By adopting rationally designed insitu construction practices like filler slab and. It helps in reducing the humidity inside the building, minimizing the damage done to furniture and. Reported by committee 302 american concrete institute. Filler slabs are one cost effective roofing system which is based on the concrete portions and instead placing filler material there. The consumption of steel is lesser than that of the solid slab. Filler materials used in concrete civil engineering portal. Here, christopher moore explains how to use resin to create stunning inlay and expand your design horizon. Enhances thermal comfort inside the building due to.
As the traditional construction materials such as concrete, bricks, hollow blocks. By adopting this method of bonding of brick masonry compared to traditional. Housing, next to food and clothing is the most important need of a human being. Let us see in detail one of these costeffective technologies mentioned here. Rattrap bond wall, brick arches and filler slab this housing construction is the result of a technology that has been developed by the architect laurie baker see note 2 and has been tested and proven during the past 40 years in india. Filler slabs are one such cost effective roofing system which is based on the concrete portions and instead placing filler material ther.
Blocks are very heavy and lifting, especially above waist level slows down construction time and. Rat trap bond is a brick masonry method of wall construction, in which bricks are placed in vertical position instead of conventional horizontal position and. Rat trap bond brick wall construction by earthbound. This page is about how to build a thickened edge concrete slab on grade fpsf footing on soil with a high water table to prevent frost heave, by first installing drainage below the slab. This can prove gainful in case of lower building height, decreased cladding expense and pre. Fill any spots that are low with additional concrete. One of the important costeffective construction solutions which is also ecofriendly is ferrocement technology. Laurie baker rat trap bond wall model building after.
Cost effective construction vknardep vivekananda kendra. The head office of costford is situated in thrissur. Concrete is very good in compression while it is weak in tension. Sponsored by the task committee on liftslab construction of the technical council on forensic engineering of asce. So, there are various cost effective techniques of construction. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In a simply supported rcc slab, the upper part of the slab is subjected to compressive forces while the lower portion is subjected to tensile forces. What are the 16 different types of slabs in construction. While laying bricks, the manner in which they overlap is called the bond. Filler slab technology can also be applied to mass housing projects and township projects to gain high cost saving and also saving in high energy consuming materials. Earthbag construction is an inexpensive building method using mostly local soil to create structures which are both strong and can be quickly built it is a natural building technique developed from historic military bunker construction techniques and temporary floodcontrol dike building methods.
Filler slabs partly precast rcc planks and joist in m15 concrete. In reinforcement detailed drawings and bar bending schedules, you usually come across the following terms concrete cover, clear cover, nominal cover and effective cover today i will answer. This method helps cut down on the use of materials such as cement, coarse rubble stone and sand etc. The chance of a leak in a filler slab is much the same as the conventional r. Concrete is weak in tension, hence in a conventional rcc slab the concrete placed in the tension zones are apparently serving less purpose but working as a filler material. Cost effectiveness of using low cost housing technologies. These slabs are constructed with the help of tendons or cables that transfer the load. Posted by deepali m on december 24, 2015 december 24. The slab may be supported by walls, by reinforced concrete beams usually cast monolithically wit.
Bottom view of filler slab fillerslab as a continuous tbeam slab l ow cost as well as increased strength. A rc filler slab with nonautoclaved cellular concrete. Saving on cost the savings on cost can be from 15 per cent to 25 per cent. The reason why, concrete and steel are used together to construct rcc slab, is in their individual properties as separate building materials and their individual limitation. Slabs are constructed to provide flat surfaces, usually horizontal in building floors, roofs, bridges, and other types of structures. The book covers all the essential basics, such as making your slabs and joining well, simple building methods, use of supports, creating textures, decorating with slips and ways to avoid disasters during firing. Cement is the most used material in any construction. Presentation filler slab students free download as powerpoint. For a more durable finish, topcoat over the shellac with a clear lacquer or polyurethane. Laying using laser screeding method and power floated in with cement harderner. With proper supervision and workmanship, leaks can be avoided.
The book explores and explains most of these methods through stepbystep images and text, using a. And use of filler slab in building construction to filler slab construction techniques book pdf reduce cost of construction as well as the dead load of the. Filler slabs can be kept exposed with proper workmanship to create. But designing a filler slab requires a structural engineer to determine the spacing between. Use of costeffective construction technologies in india. This broad approach to slab work shows a wide variety of building methods and shows the work of many highprofile ceramic artists in this area. Consumes less concrete and steel due to reduced weight of slab by the introduction of a less heavy, low cost filler material. I am doing project on filler slabs and im not getting any relevant material regarding filler slabs. With the time more studies are going to identify the reuse of waste material like fly ash, rice husk, etc as building material. Rattrap bond brick wall and rcc filler slab constructions are considered ecofriendly.
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