The building is located in seismic zone iii on a site with medium soil. Answer is simple quantity of steel is different in different structural elements because load tensile force taken by different element are different. Both methods use the same procedure to divide the moments so found between the middle strip and column strips of the slab and the beams if any. The moment, mcol, is used to design the slab to column joint. Beam column junction details str22 str26 str27 typical splice location and splices in beam. Thereafter, the loads mainly shear from the beams are taken by the columns. Collect loads from adjacent beam ends b1 c1 b2 b3 b4. They may be supported on two opposite sides only fig. From the slabs, the loads are transferred to the beam. We can also take it as, simply say flat plate as if it is supported by that columns only. Design example of a six storey building iit kanpur. Flat slab seminar report, ppt, pdf for civil engineering.
Twoway concrete floor slab with beams design and detailing design the slab system shown in figure 1 for an intermediate floor where the story height 12 ft, column crosssectional dimensions 18 in. In normal slab and beam or framed construction, torsional rigidity of rc beams may be ignored in the analysis and the torsional stiffness may be given a very small value in the computer analysis. European commission joint research centre institute for the protection and security of the citizen contact information address. Design of reinforced concrete structures ii twoway slabs. Design of a singly rc beam section example 1 reinforced. Oneway and twoway slabs oneway slabs transfer the imposed. Manual design of beam and raft foundation to eurocode 2. Manual design of beam and raft foundation to eurocode 2 pdf references ubani o. Staircase design separate excel spreadsheet combined footing foundation analysis and design dome design. Recommendations for design of beamcolumn connections in monolithic. Anchorage and lap splicing detailing of slabs, columns, beams.
Two types of shear may be critical in the design of the flat slabs. How to do a manual design of a slab beam column quora. Concrete beam design concrete design software that designs oneway flexural members, including beams, oneway slabs and continue reading. Concrete beam design concrete design software that designs oneway flexural members, including.
Beam design example choose the lightest wide flange steel section available to support a live load of 790 plf and a dead load of 300 plf over a simple span of 18 feet. Design of short and long columns with axial and eccentric loading, design of isolated column footing. Details of construction, at ahsanullah university of. Why quantity of steel different for various structural elements. When length width beams are used in the column strip, distribute column strip moments between slab and beam.
The effective slab width should not be taken less than 2bb, where bb is the. A six storey building for a commercial complex has plan dimensions as shown in figure 1. Cancsas16 classify, strength check 4 checks overall strength interaction formula cl. Critical section a distance d from the face of column or capital. Place the phase line along the top flange of the beam. Bending will take place in the two directions in a dishlike form. How to calculate steel quantity for rcc beam, column and slab. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. Design load moments should be computed at both the top and bottom of the column.
Figure below shows floor plan of a rc beamcolumn slab, with. Columns transfer vertical loads from a ceiling, floor or roof slab or from a beam, to a floor or foundation. Str53 december, 2017 str20 first floor beam details b second floor beam layout plan typical opening details in slab near beams. How to calculate steel quantity for rcc beam, column and slab following are the steps to calculate the quantity of steel for rcc slab. This is because failure of column would cause progressive collapse in buildings whereas such event would not occur when other members fail. A basic example problem showing how to design a singly reinforced concrete beam section for a simply supported beam with dead and live loading. Beam design in order to be able to design beams, we need both moments and shears. Determine beam shear strength of concrete by method of section 11. Also explore the seminar topics paper on flat slab with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for.
Design of one way and two way slabs, design of staircases. A potential diagonal crack extends in a plane across the entire width l2 of the slab. Practical structural analysis and design of residential buildings using staad pro v8i, csc orion, and manual calculations. Prepare a bar bending schedule in order to classify different shapes of bars bent up bar, straight anchor bar, eos bar, curtail bar. What is slab, beam, column, and footing construction. Manual for design and detailing of reinforced concrete to the code. It was presented on 6th march, 2014 as part of the presentations of the subject.
They are usually mandated by architectural limitations and structural requirements. Oneway and twoway slabs university of asia pacific. Determine the area of steel required in the slab at critical sections for column and middle strips. Is it possible to construct a column on a slab without an. Civil engineering 3d animation of a reinforced concrete structure. M ntx and m nty are the maximum design moments in the xand yaxis of the member. Construction that combines slabcolumn and beamcolumn framing in. Detailing of beam columns and slab free download as powerpoint presentation. Explore flat slab with free download of seminar report and ppt in pdf and doc format. Actual effective slab widths were much larger than the ones typically used in design, especially for the specimens with a column wider than the. At ground floor, slabs are not provided and the floor will directly rest on ground. Design of short and long columns with axial and eccentric.
This is your beam column, so this is your, we can design it as i said flat slab. Steel design steel design software that easily designs or checks steel beams, columns and single span beam columns using the asd and lrfd standards. Design of reinforced concrete structures ii twoway slabs 1 1. They also carry bending moments about one or both of the crosssection axes. How to calculate steel quantity in slab beam column and. Twoway concrete floor slab with beams design and detailing csa a23. Pdf reinforced concrete edge beamcolumnslab connections. Design of masonry short and long walls, columns and retaining walls. Manual for design and detailing of reinforced concrete to september 20 the code of practice for structural use of concrete 20 contents 1. For ubeam and xbeams, place the phase line as shown in figure 34 and figure 35. If the phase line is located along the top flange of the beam, the majority of the beam will be under the initial phase of construction. Seshu adluri beamcolumns steel beamcolumns bldg columns with moment connections exposed columns subject to wind columns with eccentric loads beams subject to axial forces and moments design clauses. For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3.
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