This technical brief describe the technology of filler slab. During the second half of the 19th century and up until about 1925, fire resisting floors of filler joist construction were popular. Hence the steel reinforcement is placed in the tension zone. How to form, pour, and stamp a concrete patio slab duration. Filler slabs provide aesthetically pleasing patterned ceilings. Ansisdi qaqc2017 standard for quality control and quality assurance for installation of steel deck. The filler materials are used in the lower tensile region of the slab, which needs only enough concrete to hold the steel reinforcement together. Waffle slab is a reinforced concrete roof or floor containing square grids with deep sides and it is also called as grid slabs. Filler slab technology is a simple and a very innovative technology for a slab construction.
There are 16 different types of slabs in construction. Slab supported directly by columns are called flat slab. Guide specification for nicore plank hollow core slabs this guide specification is intended for the use of professional personnel competent to evaluate the significance and limitations of its contents, and who will accept responsibility for the application of the material it contains. Vermiculite concrete roof screeds are suitable for concrete flat slab, low pitched and barrel vault roofs, and those constructed of wood wool slabs, hollow tile or precast concrete beams. Jan 18, 2017 how to form, pour, and stamp a concrete patio slab duration. A reinforced concrete roof can be made much lighter and much more interesting by placing 2 mangalore tiles between the steel reinforcement before pouring the concrete. For over 50 years, insulfoam has been enabling building professionals to construct highquality building insulation systems at a minimal cost. Roof plans are typically drawn at a scale smaller than the scale used for the floor plan. If there is gravel on the roof, move it aside to reach a flat surface for these kinds of applications.
Filler slabs are one such cost effective roofing system which is based on the concrete portions and instead placing filler material ther. Square or round glass blocks or lenses those are cast into reinforced concrete ribs. Manual for the design of hollow core slabs second edition by donald r. Modification in grid slab for utility lens lights to provide diffused daylight through concrete roofs. Construction detail kalzip deck roof system rafter roof 123 monopitch ridge type of fixed point to be determined by calculation alfixed point clip with thermal barrier alternative. Filler slabs, consume less concrete and steel as compared to conventional slabs, due to the use of lessheavy, lowcost filler material such as rejected calicut tiles, clay pots and broken pieces of cement blocks. Filler slab technology is nothing but an alternative of r. Gujarat, india, it is not easy to remove, the concrete from the tension zone, hence we try and replace partially. The mechanism the filler slab is a mechanism to replace the concrete in the tension zone. Saccoman, chairperson james beerbower ernest markle kevin boyle james markle jeffrey butler milo j. Some of them are outdated and many of them are frequently used everywhere. In most houses, the filler material is left open without plastering to form aesthetic design symmetry but some residents prefer to cover the space with plaster of paris coating. Nov 23, 2016 filler slab roofs a ng new generation roofing technique a roof is a covering component on uppermost part of the building which provides protection from weather primarily against rain.
Materials such as the roofing material, vents and their location, and the type of underlayment are also typically specified on the roof plan, as seen in figure 20. The flexible girder slab formwork for all ground plans and slab thicknesses up to 1. Fillerslab as a continuous tbeam slab low cost as well as increased strength. Hi sireesha, the filler slabs will have similar load bearing capacity as only the concrete which is in the tension part of the slab is replaced by the filler material. A reinforced concrete roof can be made much lighter and much more interesting by placing 2 mangalore tiles between the steel reinforcement before pouring the. Low carbon climate resilient features consumes 30% less concrete and 40% less steel.
Insulfoam fl flute fill is a custommade, engineered insulation consisting of a superior closedcell, lightweight expanded polystyrene eps. The membrane is laid on top of the structural slab. Concrete volumes and slab design data 81 concrete slabs on form deck 82 83 ufs, uf1x, ufx, uf2x maximum span and cantilever tables 84. Twoway joist concrete slab floor waffle slab system analysis and design design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf, and unfactored live load of 100 psf. Slab fillers are available with pegs, radius corners, grooves, facerouted and backrouted hand pull, distressing and wear sanding. 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. Slab may be supported on walls or beams or columns. Rcc slab laying is one of major step in any type of construction so it is mandatory to know all the points related to laying rcc slab. A roof can also be used as a terrace, where it is flat and has an entryway built into it. This kind of slab is majorly used at the entrance of hotels, malls, restaurants for good pictorial view and to install artificial lighting. The filler material, thus, is not a structural part of the slab. Roof terrace waterproofing methods washing the roof terrace surface and making it dust free. The filler material is necessary to give a slope to the finish of the terrace. 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.
The lateral loads are independently resisted by shear walls. Fixit healthy construction booklet construct your ideas, 2012, pp. Design the roof slab, beam and column of house given in figure 1. Oct 05, 2015 filler slabs is a very effective civil engineering method, but is far less popular to the general knowledge. 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. Fire rated expansion joints that waterproof, insulate, block sound, handle traffic and movement in a single product. Thus the filler slab as the roof has the following advantages. Us patents covering emseals fire rated expansion joint product portfolio include. Suitable for large spans flat, sloping or domed roofs. Compound clip kalzip kalzip rock wool insulation filler block spacer profile fixing of ridge flashing. Here is a detailed article with all the information regarding procedure of rcc slab roof laying.
Although all multistory buildings require multiple small slab penetrations for routing of plumbing, fire protection piping, and ductwork between floors. Fire rated expansion joints selection guide emseal. Insulfoam fl is cut from the same highquality eps as our flat insulfoam roof products and, upon request, will be manufactured to meet or exceed the requirements of astm c578, standard specification for. Waterproofing of new roofs and terraces excerpts from dr. When ordering rta cabinets from us, you will find the standard fillers found in the cabinet section are limited to 3. Falls create flow paths to direct the drainage of rainwater away from the roof to suitable discharge points. By reducing the quantity and weight of material, the roof become less expensive, yet retains the strength of the conventional slab. A rc filler slab with nonautoclaved cellular concrete. Fillerslab as a continuous tbeam slab low cost as well as. A roof is a covering component on uppermost part of the building which provides protection from weather primarily against rain. Ansisdi tcd2017 test standard for composite steel deck slabs. Insulfoam is a division of carlisle construction materials, a wholly owned subsidiary of carlisle companies nyse. In this article, ill give a detailed explanation of each slab where to use particular slab. Pdf filler slab as a continuous tbeam slab low cost as.
Reinforcement detailing of a slab is done based on its support conditions. Study on flexural behaviour of rcc slab filled with hollow. As roofs are just covering components, live loads will not act upon it. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Csl, and is the nations largest manufacturer of blockmolded expanded polystyrene eps. In this type of floor or roof, the clay blocks are used to prefabricate a slab panel like a wall.
Reinforcement detailing of reinforced concrete slabs. The reason why, concrete and steel are used together to construct rcc slab, is in their individual properties as. Acknowledgement this book was produced under the guidance of vulcraft managers and engineers. Lens lights are used in a concrete roof as roof lights to provide resistance to fire, for reasons of security and to reduce sound transmission. Filler slab as a continuous tbeam slab l ow cost as well as increased strength. Jan 31, 2009 a reinforced concrete roof can be made much lighter and much more interesting by placing 2 mangalore tiles between the steel reinforcement before pouring the concrete. 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. Filler slabs are one cost effective roofing system which is based on the concrete portions and instead placing filler material there. Concrete is very good in withstanding compressive forces and steel bears the load due to tensile forces. The aesthetic and acoustic properties of using various materials as fillers must be utilized. Upper floor and roof decks this information is only available to paying isurv subscribers. Filler slab roofs a ng new generation roofing technique. Roof plans a roof plan is used to show the shape of the roof. Materials to fill in low depressions on flat roofs hunker.
The following updates are available for ansisdi tcd2017. Cast insitu first storey, typically reinforced concrete beam and slab system. Prepared for the pci hollow core slab producers committee john e. This concrete doesnt add to the strength of the slab as all the tension is taken up by the reinforcement rods. Fillerslab as a continuous tbeam slab low cost as well.
The slab filled with lighter filler materials is known as the filler slab. It is to be used as a basis for the development of an. It is the clay blocks that take part in the structural action by carrying the flexural compression. Thus the filler slab as the roof has the following.
Use of costeffective construction technologies in india. You can also use a general epoxy concrete filler and apply mastic on top, using a trowel. Concrete is very good in compression while it is weak in tension. Building slope roof concrete install terracotta tiles on roof small slope, construction. Building construction 2 roof and membrane failures are the most often litigated parts of a building good detailing is paramount never use materials or systems that have not been approved or tested by a reputable agency. This is a normal rcc slab where the bottom half tension concrete portions are replaced by filler materials such as bricks, tiles, cellular concrete blocks, etc. The most popular filler material is the roofing tile. The completely preassembled, readyforuse standard table for small numbers of applications. Slab formwork essentially consists of a horizontal loadbearing structure which supports the formlining and transfers the forces into the shoring. Code of practice for construction of floor and roof with joists and filler blocks, part iv. Concrete is good in taking compression and steel is good in tension. 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. Slab supported on two sides and bending takes place predominantly in one direction only is called one way slab. Firstly let us analyze the bottom view of a roof made by using filler slab technology.
Filler slab as a continuous tbeam slab low cost as well as increased strength. Conventional foundations comprising footings, raft slab or piles and pile caps. May 21, 2017 different types of concrete slabs in construction. Openings in concrete floor slabs buildings if you took an advanced concrete design course, you probably had a good introduction to the design of twoway slabs. Use of costeffective construction technologies in india to. Twoway joist concrete slab floor waffle slab system. A rc filler slab with nonautoclaved cellular concrete blocks. Besides the roof this technique can also be used for the window sunshades. 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. These filler materials are so placed as not to compromise the structural strength, result in replacing unwanted and nonfunctional tension concrete, thus re. Roof patch putty can be applied, using a trowel, to fill low areas. Mar 01, 2016 guide specification for nicore plank hollow core slabs this guide specification is intended for the use of professional personnel competent to evaluate the significance and limitations of its contents, and who will accept responsibility for the application of the material it contains. Mastic is a flexible sealant that adheres to almost any material. Filler slabs is a very effective civil engineering method, but is far less popular to the general knowledge.
152 1007 502 1089 334 1182 1367 1169 853 1485 1142 718 1535 1304 881 95 1149 1486 1055 230 181 850 1333 95 1071 432 627 827 1439 462