Powered by the equivalent frame method of analysis and design per latest american aci 31814 and canadian csa a23. The benefits associated with flat slab construction may well outweigh those of. Design of reinforced concrete slab with regard to explosions master of science thesis in the masters programme structural engineering and building performance design rickard augustsson markus harenstam department of civil and environmental engineering division of structural engineering concrete structures chalmers university of technology. From figure 7 and 8 it is clear that the quantity and cost of steel of beam and column for flat slab structure is 84. Figure 42 slab ongrade and perimeter footing transfer loads into soil. Apr 02, 2016 transfer slabs beams design tall building. Sep 07, 2016 lift form slab construction submitted by name neeru hooda b. The major structural components of a slabongrade foundation are the floor slab itself and either grade beams or foundation walls with footings at the perimeter of the slab see figures 42 and 43. Reduction in displacement shows the capacity of slabwall system in resisting earth quake loads than the columnbeam system, thereby minimizes the damage.
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. Oneway and twoway slabs oneway slabs transfer the imposed. Drivers are frustrated when stalled in traffic due to road construction or repair work. Download reinforced concrete design spreadsheet using. The benefits of using flat slab construction are becoming increasingly recognized. A good concrete slab will give you years of happy use. Foundation slabs may also be used to model complex foundation shapes that cannot be created using isolated or wall foundation tools. Milling may be required to produce a flat surface if conventional rolled. For span from 5 to 9m thin flat slabs are the preferred solution for the construction of in situ concrete frame building, where a square or near square grid is used. Flat slab analysis and design designs beamless concrete slab floors flat slab or waffle slab in accordance with aci 318. Also explore the seminar topics paper on flat slab with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year civil engineering ce or ieee civil construction btech, be, mtech students for the year 2015 2016. No beam, free layout and large windows create bright and open spaces in flat slab. Concrete slab prepared for residential house construction. Geometry of the analysed flat slab floor with the point.
Punching of flat slabs design for shear at th e column heads 12. Future scope to study the behavior of the building under gravity and lateral loads. The kwik slab system can be utilized for new construction, extensions or repairs of roadways, bus stops, bridge decks, parking lots, airfields, docks, or any project that speed of construction and strength of slab are important. The benefits associated with flat slab construction may well outweigh those of other structural solutions, which could be more complicated, timeconsuming and ultimately more costly. The construction of a concrete slab on the soil demands the soil to behave like a standard supporting system. Explore flat slab with free download of seminar report and ppt in pdf and doc format. Download reinforced concrete design spreadsheet using the ultimate limit design methods download reinforced concrete design spreadsheet for free. Johnston assistant professor, department of civil engineering, north carolina state university, u s a a. Use of vapor retarders for slab construction to minimize the transmission of moisture content from the below to the floor surface, vapor retarders can be used. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete. Design of reinforced concrete slab with regard to explosions master of science thesis in the masters programme structural engineering and building performance design. Precast pavement construction using the superslab system presentation.
Foundation slabs revit products autodesk knowledge network. Pdf simplified method of applying loads to flat slab floor structural. Dramix steel fibre concrete reinforcement is a successful alternative to traditional mesh reinforcement. Flat slab flat slab are also known as beamless slab, is a type of slab in which the flooring slab is directly supported on columns without the agency of beam or girders. When speed of construction and strength of slab are your. Work on plaster board sheet rock, drywall board to keep the slabs flat and to absorb the moisture in the clay. Concrete slab how to install a slab from start to finish.
Different types of shear reinforcement used at column heads. Pdf flat slab structural systems are amongst the oldest methods to transfer. A concrete construction primer on what it takes to build concrete slabs from proper subgrade preparation to adequate curing. In composite slab construction, dramix steel fibres offer a lowrisk and costeffective way to enhance the design capacity of composite deck floors. Design calculation for twoway slab civil engineering community. Construction live loads on slab formworks before concrete. Slab construction how is slab construction abbreviated. May 08, 2020 a concrete construction primer on what it takes to build concrete slabs from proper subgrade preparation to adequate curing. Department of mechanics, materials and structures english.
The astm e 1745 provides the performance requirements of a plastic vapor retarder that must be used in practical applications. Although coldformed steel framing for floor systems also is permitted by the irc, it is not covered here. Building contoured pavements with precast concrete pavement slabs. Slab construction 1 roll out the slab to approximately ikinch with a rolling pin using guide sticks to assure even thick ness. A floor slab in a building where stability is provided by shear walls in one direction ns. 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. The analysis and design follow the equivalent frame analysis method of the aci code, which considers a onebay wide strip of the floor system as a continuous frame. You probably already know that it is very hard to change out the concrete if a building is sitting on it. Smooth and clean the edges with a fettling knife and again with a surform. A concrete slab that breaks up, has water issues or is not leveled correctly will frustrate you to the point of wanting to redo it. Flat slabs for efficient concrete construction construct concrete. For more information on anchorage of braced walls to slab ongrade construction, see chapter 3 of this guide.
This design is a complete flat plate slab design, from shear to bending along with design of columns and shear head reinforcement. Grdslab concrete slab on grade analysis spreadsheet. In some cases additional footings often a thickened slab are necessary. Chapter 11causes of floor and slab surface imperfections. We aim to close the gap to the industry by improving the awareness about latest trends in civil engineering.
Slabwall system gives least cost for construction of high raised building iv. The major structural components of a slab ongrade foundation are the floor slab itself and either grade beams or foundation walls with footings at the perimeter of the slab see figures 42 and 43. The slab on grade worksheet assumes a structurally unreinforced slab, aci360type b, reinforced only for shrinkage and temperature. If a concrete footing or concrete slab is out of the budget, another way that you can level out a building or carport is with concrete piers.
The benefits of using insitu concrete flat slab construction should be investigated at the conceptual design stage. Gamble continue the process of scoring and applying vinegar or slip to attach all the pieces except for. Flat slab analysis and design free version download for pc. The benefits of using insitu concrete flat slab construction should be. Foundation slabs may be used to model structural floors on a grade, which do not require support from other structural elements. Jun 30, 2014 civilax is the knowledge base covering all disciplines in civil engineering. Reinforced concrete, slab, beam, explosion, impulse load, dynamic, sdof system, equivalent static load, nonlinear fem.
A slab foundation is usually less expensive to install than a full concrete wall foundation with a concrete floor. Elsevierstructural safety 14 1994 155172 construction live loads on slab formworks before concrete placement saeed karshenas, haithamayoub departmentof civil and environmentalengineering, marquetteuniversity, milwaukee,wi53233, usa abstract a description is given of a survey of live loads on slab formworks in multistory concrete buildings during construction. Studies of reinforced concrete beams and slabs reinforced with steel plates. Flat plate slab is that in which slab is directly supported on columns without column capital, drop panel or beams. Construction of slabs on ground design considerations aci. Basic slab construction linkedin learning, formerly. An interior load condition is assumed for flexural analysis.
Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Liftslab construction is a precast method of construction of slab on the ground and then lifting it to the structure. Free unit slab pro fonts free fonts search and download. However, if this is a residence, it may be that live loads are relatively light and that the residual strength of the slab is adequate. Courtesy cups although the column and slab construction system is regular and efficient, kada was able to ring the changes with room arrangements, so each wing is subtly different from the next, and their ends also vary. Concrete slab download this royalty free stock photo in seconds. Experimental study of two way half slab precast using. Precast slabs are cast and cured offsite and transported to the jobsite when needed, thus saving weeks of formwork. Construction employment declines in nearly 100 metro areas between march 2019 and 2020. The main aim of this study is to investigate and compare the structural performance of two types of wallslab connection, namely cross and. Cascadia model generated by a different methodology than other slab1. A renaissance of form by lyla goldstein forget the mug, making a cup and saucer is a return to style and class. Civilax is the knowledge base covering all disciplines in civil engineering.
Join veejay gahir for an indepth discussion in this video, basic slab construction, part of surfacing an f1 wheel in alias. In turn, the concrete slab and foundation transfer those forces directly to the ground as shown in figure 42. While reading through this, pay close attention to my advice on water control. See more ideas about clay, pottery and ceramic art. Picking up where modeling an f1 wheel in maya left off, in this course veejay gahir walks through the steps required to surface a formula 1 wheel in alias. Flat slab seminar report, ppt, pdf for civil engineering. Pdf the article analyses the impact of the live load position on the surface of a reinforced. Although the column and slab construction system is regular and efficient, kada was able to ring the changes with room arrangements, so each wing is subtly different from the next, and their ends also vary. Concrete slab construction how to build high quality. Concrete slabs are used to support everything from patio furniture, to foot traffic, to semitrailer trucks. If these are not available, use a bat or board covered in sturdy canvas. It doesnt have a foundation or any concrete walls under it or around it.
Slab construction il use the score and slip method on the final side. If you decide to do it yourself, putting in your own concrete slab can save you money. This reinforced concrete design spreadsheet contains. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. We suggest that you consider a load test, during which you measure deflection of the slab to verify its performance. The use of flat slab building provides many advantages over conventional rc frame building in terms of architectural flexibility, use of space, easier formwork and shorter construction time. The best website for free highquality unit slab pro fonts, with 23 free unit slab pro fonts for immediate download, and 59 professional unit slab pro fonts for the best price on the web. Known as the habsystem, it breaks away from the constraints of. Slab construction each student used an 8 x 18 20 x 46 cm rectangular piece of white paper to draw their sketch.
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. Slab construction for habsystem modules sciencedirect. Download slabs design spreadsheet, flat slab design sheet, beams design spreadsheet, shear and torsion design sheet, footing design spreadsheet and many more at free of cost. That is, the concentrated post or wheel load is assumed to be well away from a free slab edge or corner. While the wheel provides a way to quickly and efficiently produce multiple round forms, handbuilding allows me to slow down and enjoy the whole clay experience in a much more relaxing way. With assets from the previous course, youll be able to complete the entire project, from setting up your alias model and building highquality surfaces for the different wheel components, to exporting data for use in rapid prototype.
With such a wide range of purposes and support requirements, concrete slabs present many construction variables. Product information learn more about superslab and precast pavement solutions. This flat plate slab design is hand written involving each step by step. Pdf studies of reinforced concrete beams and slabs. Flat slabs without drops thickened areas of slab around the columns to resist punching shear can be built faster because formwork is simplified and minimized, and rapid turnaround can be achieved using a combination of early striking2 and flying systems. How to build a concrete slab superior buildings and. Construction of transfer plate it is the slab beam from which picke slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This pdf file contains a chapter of 23 pages with various aspects of flat slabs including four example of flat slab design. Design of reinforced concrete slab with regard to explosions. Flat plate strength is often governed by shear strength.