Aug 30, 2010 slab techniques ceramics handbook jim robison, ian marsh on. This method helps cut down on the use of materials such as cement, coarse rubble stone and sand etc. Liftslab construction is a precast method of construction of slab on the ground and then lifting it to the structure. A rc filler slab with nonautoclaved cellular concrete blocks for sustainable construction m. 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. Some of them are outdated and many of them are frequently used everywhere. Waterproofing techniques in construction waterproofing. Dec 24, 2015 top 10 energyefficient construction techniques. Use of costeffective construction technologies in india to mitigate climate change nilanjan sengupta concentration of greenhouse gases play major role in raising the earths temperature. Filler slabs filler slabs, consume less concrete and steel as compared to conventional rcc reinforced cement concrete slabs, due to the use of lessheavy, lowcost filler material such as rejected calicut tiles, clay pots and broken pieces of cement blocks. Oct 15, 2016 waterproofing in building construction is the process of making a structure waterresistant or impervious to the ingress of water.
Thus, the desire for better living was one of the major motivations for humans to develop advanced construction techniques. Thus the filler slab as the roof has the following advantages. This pdf file contains a chapter of 23 pages with various aspects of flat slabs including four example of flat slab design. The twelfth east asiapacific conference on structural engineering and construction cost effectiveness of using low cost housing technologies in construction vivian w. A short presentation about filler slab including its introduction, parts, materials, mechanism, and. Rattrap bond brick wall and rcc filler slab constructions are considered eco friendly. Comparison of conventional and nonconventional construction. General cumulative impacts during construction, operations and maintenance phase 163 b. Handbook on good building, design and construction in the. The consumption of steel is lesser than that of the solid slab. Minor cracks, incidental to the usual method of manufacture or minor chipping resulting from customary methods of handling in shipment and delivery, are not grounds for rejection. The concept doesnt come in the way of structural strength and gets things done in an economical way there is a lot of difference between cheap construction practices and cost effective ones. This chapter familiarizes the carpenter with the design and construction of various types of forms.
Jan 23, 2014 comparison of conventional and nonconventional construction 1. Filler slab brick tile read books, audiobooks, and more. Filler slab with terra cotta pots as fillers filler slab roof construction. Pdf fillerslab as a continuous tbeam slab ayush srivastava. Filler slab free download as powerpoint presentation. The quantities of the materials are calculated and cost of construction for slabs are determined and compared. Cost effectiveness of using low cost housing technologies in.
In concrete and concrete block construction, the term applied is control joint, but serves similar purposes. Cost effectiveness of using low cost housing technologies. Flat slab types of flat slab design and its advantages. A rc filler slab with nonautoclaved cellular concrete. The aesthetic and acoustic properties of using various materials as fillers must be utilized. Enhances thermal comfort inside the building due to. The available alternative construction methods and materials facilitate the cost. The filler slab is a variation of conventional reinforced cement mission and dream. Top 10 energyefficient construction techniques the. By reducing the quantity and weight of material, the roof become less expensive, yet retains the strength of the conventional slab.
Presentation filler slab students free download as powerpoint. The filler material, thus, is not a structural part of the slab. In this article, ill give a detailed explanation of each slab where to use particular slab. 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. Pdf filler slab as a continuous tbeam slab low cost as. 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. Laurie baker is one who worked on cost effective construction technique as its best. The unisdr secretariat is supporting the development and distribution of tools like this handbook, as a part of its mandate for coordinating the. Use of costeffective construction technologies in india.
Filler slabs are one cost effective roofing system which is based on the concrete portions and instead placing filler material there. 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. A rc filler slab with nonautoclaved cellular concrete blocks. Roofs and intermediate floors account for 2025% of the total cost of the.
Concrete is good in taking compression and steel is good in tension. Skill construction smart window rendering sand and cement below window with simple tools duration. Rat trap bond brick wall construction by earthbound architecture. It is a roofing system which is based on replacing the concrete portions of a roof slab with filler materials like tiles or earthen pots. Reported by committee 302 american concrete institute. Where units are to be used in exposed wall construction, the face or faces that are to be exposed shall not show chips. This handbook on good building design and construction in the philippines does exactly that, capturing the potential of increased resilience through good construction. The filler blocks are 110 mm thick and 260 x 560 mm at top tapering down to 250 x 550 mm at bottom. Gerard da cunha baker of india i was an anarchic 19 year old student of architecture on a study tour to the south of india, when i saw two buildings done by laurie baker. Construction chemical treatment of the soil around or. Forms protect the concrete, assist in curing it, and support any reinforcing rods or conduits embedded in the concrete. Presentation filler slab students masonry brick scribd. Singh central building research institute, roorkee, india abstract flyash is a major industrial waste which pollutes the atmosphere. Laurie baker building but mohan singhs house where he can live happily with his family.
The filler slab is based on the principle that for roofs which are simply supported, the. Jul 11, 2016 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 thus creating a cavity hollow space within the wall. The filler slab costeffectiveconstructiontechniques. They give the plastic concrete its shape and hold it until it hardens.
Use of costeffective construction technologies in india to. Suitable for large spans flat, sloping or domed roofs. Baker used techniques observed by improving on them, he applied vernacular principles to modern construction techniques, as the traditional methods often had apt solutions to current day problems faced in construction. Flat slab analysis, design and detailing pdf civil engineering. Construction of filler slab using smb ceiling of smb filler slab roof before finishing mangalore tile as filler material specially prepared cups bricks as filler material concrete blocks as filler material as concrete in tension zone is replaced by filler material of lesser density, dead weight of the slab is reduced. Carbon dioxide, produced from burning of fossil fuels, is the principle greenhouse gas and efforts are being. Waterproofing is essential as it prevents water from penetrating. Throughout the year, building faces and concrete slabs. The filler slab principle as compared to solid slab. This can prove gainful in case of lower building height, decreased cladding expense and prefabricated services. Filler slab roofs leisure read books, audiobooks, and more. Monitoring during construction, operations and maintenance phases 165. As the traditional construction materials such as concrete, bricks, hollow. Filler slab technology is a simple and a very innovative technology for a slab construction.
May 21, 2017 different types of concrete slabs in construction. He himself participated in the construction process, enacting the role of a. The filler slab is a mechanism to replace the concrete in the tension zone. The slab filled with lighter filler materials is known as the filler slab. There are 16 different types of slabs in construction. The methods of using low cost housing techniques in india.
Filler slab roofs are designed using the same principles as normal rcc, except. Due to the reduction of concrete volume, the overall cost of slab is lower than solid slab even after considering additional cost of mangalore tiles. Concrete is very good in withstanding compressive forces and steel bears the load due to tensile forces. 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. A type of precasting used in building construction involves casting floor and roof slabs at or near ground level and lifting them to their final position, hence the name liftslab construction. There is huge misconception that low cost housing is suitable for only sub standard works. Filler slab as a continuous tbeam slab low cost as well as increased strength. Aug 06, 2015 filler slab technology is a simple and a very innovative technology for a slab construction. 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. Sep 03, 2011 reinforced concrete effective span centretocentre distance between supports longer dimension of a rectangular panel of slab for yield line calculations modular ratio esec design bending moment per unit width of slab modified to account for axial load moment per unit width about xaxis moment per unit width about yaxis. In other words, construction is a history of mankinds making many mistakes and overcoming past failures in the process of conquering the harsh nature. The first was a onetime home of his with a doughnut plan. Construction related environment due diligence triggers and general cumulative impacts 163 a.
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