If so, RAM may be calculating the mass while you are adding additional mass in the loads. The table below shows an example of a typical load/span table available from one supplier of metal decking. yc= Nc/[0.85fckbeff/c] hcyc= (884.4 x 1000)/[0.85 x 25 x 1875/1.5]= 33.28 mm, MRd = Nc(hc + da yc/2) + 2btffy(da tf/2) + tw(ya tf)(fy)(2da ya tf)MRd = (884.4 x 103) x (130 + 204.7 33.28/2) + 2 x 178.8 x 14.3 x 275 x (204.7 14.3/2) + 8.8(14.92 14.3) x 275 x (2 x 204.7 14.92 14.3) = 559669744.2 Nmm = 559.669 kNm, MEd/MRd = 256.6/559.669 = 0.458 < 1.0 (Okay), The shear resistance is therefore;Vc,Rd= Vpl,Rd= [3854 (275/ 3)/1.0] 10-3= 612 kNVEd = 136.875 kNVEd/Vc,Rd= 136.875/612 = 0.223 < 1.0 Ok, Longitudinal shear resistance of the slab. 1 0.0525 ton / m Weight of sand 0 07 1. Self-weight is the load on a structure imposed by its own weight. The supporting beams themselves can, however, span up to 12m. At the mid-span, the effective width of the concrete falnge is; For nr = 1.0, b0 = 0 mmbei = Le/8 but ot greater than biLe = 7.5 m (point of zero moment)bi = distance from the outside shear connector to a point between adjacent webs. Therefore the plastic neutral axis lies below the top flange. That depends on the settings under RAM Manager - Criteria - Self-Weight. Weight of slab = slab thickness x RCC density If the thickness of the slab is 0.15 m, then the estimate is done as follows :- Weight of slab = 0.15 x 25 = 3.75 Kn/m 2 Ive worked as a Quality Engineer & Manager in the well-known companies in the Gulf region for almost Ten years. APA - The Engineered Wood Association. Thanks for sharing knowledge and experience. How to calculate self weight of column Calculation :- height of column = 3 m Assume Size of column = 99 Inch into mm = 230mm 230mm For calculating self load for column we have require self weight of concrete that is 2500 kg/m3 for RCC and self weight of Steel that is approx 8000 kg/m3 So, each square meter of the slab would have a self-weight of Slab Load Calculation = 0.150 x 1 x 2400 = 360 kg which is equivalent to 3.53 kN. The Beam is a horizontal structural member in building construction that carries shear force, When you are calculating load on slab, you have to first check whether it is a one way slab or two way slab. The Beam is a horizontal structural member in building construction that carries shear force, bending moment, and transfers loads to columns on both ends of it. There are mainly two categories of load acts on building structure: 4) The total load on Slab (Dead load + Live load + Self-weight), As per the given house plan: calculate load on column, Size of All Beams = 230mm x 300mm (9 x 12), Size of All Columns = 230mm x 300mm (9 x 12), Size of flooring = We will calculate the size of footing based on load coming on building, Self Weight of Slab = Slab Thickness x Unit weight of RCC, Self weight of Slab = 0.13 m x 25 KN/m3 = 3.25 KN/m2, Floor Finish Load on Slab = usually we take (1 1.5 KN/m2), Partition Wall Load on Slab = usually we take 1 KN/m2, Waterproofing Material Load = usually we take 1 KN/m2, Total Dead Load o Slab = 3.25 + 1.5 + 1 + 1 = 6.75 KN/m2, Live Load on Slab for residential building = 2 3 KN/m2, Total Load on Slab = 6.75 + 3.0 = 9.75 KN/m2, Total Load on Slabs (All building Slabs) = 9.75 x 2 = 19.5 KN/m2 (where take 2 for G+1 Story) calculate load on column, Total Factored Load on Slab = 1.5 x 19.5 = 29.25 KN/m2, Riser = 150 mm calculate load on staircase, Self weight of waist Slab = waist slab thickness x unit weight of RCC x [{sqrt(R2) + sqrt(T2)}/T] calculate load on slab, Self weight of waist Slab = 0.15m x 25 KN/m3 x [{sqrt(0.152) + sqrt(0.252)}/0.25], Self weight of Steps = R/2 x 25 = 0.15/2 x 25 = 1.875 KN/m2, Floor Finish Load on Staircase = 1.0 KN/m2, Total Load on Going = 4.37 + 1.875 + 1.0 + 3.0 = 10.25 KN/m2, Ultimate Load on Going = 1.5 x 10.25 = 15.36 KN/m2, Self weight of landing = Thickness of landing slab x density, Self weight of landing = 0.15 x 25 = 3.75 KN/m2, Floor finish load on staircase = 1.0 KN/m2, Total Load on Landing = 3.75 + 1.0 + 3.0 = 7.75 KN/m2, Ultimate Load on Landing = 7.75 x 1.5 = 11.625 KN/m2, Self weight of Beam = Size of Beam x unit weight of RCC, Self weight of Beam = (0.23 x 0.30)m x 25 KN/m3 x 2 = 3.45 KN/m (Where 2 is taken for G+1 Story) calculate load on slab, Wall Load on Beam = Thickness of Wall x Height x Unit weight of material, Main Wall Load on Beam = 0.23m x 3m x 19 KN/m3 = 13.11 KN/m, Partition Wall Load on Beam = 0.1m x 3m x 19 KN/m3 = 5.7 KN/m, Parapet Wall Load on Beam = 0.2m x 1.2m x 19 KN/m3 = 4.56 KN/m, Wall Plastering Load on Beam = 0.012m x 3 x 2 x 20.4 KN/m3 = 1.468 KN/m, Total Load on Beam 1 = Self weight + Main wall Load + Parapet wall Load + Wall Plastering Load + Load from Slab (trapezoidal load) calculate load on slab, Total Load on Beam 1 = (3.45 + 13.11 + 4.56 + 1.468 + 40.71) KN/m, Total Load on Beam 1 = 63.29 KN/m calculate load on wall, Total Factored load on Beam 1 = 1.5 x 63.29 = 94.95 KN/m, Total Load on Beam 3 = Self weight + Main wall Load + Parapet wall Load + Wall Plastering Load + Load from Slab (trapezoidal load) calculate load on slab, Total Load on Beam 3 = (3.45 + 13.11 + 1.468 + 35.685 + 35.685) KN/m, Total Load on Beam 3 = 89.39 KN/m calculate load on wall, Total factored Load on Beam 3 = 1.5 x 89.39 = 134.09 KN/m, Total factored load on Beam 2 and 5 = 1.5 x 58.26 = 87.40 KN/m, Self weight of column = size of column x height x unit weight, Self weight of column = (0.23 x 0.3)m x 3m x 25 KN/m3 x 2 = 10.35 KN (where 2 is taken for G+1 Story) calculate load on slab, Total factored load on Beam 1 = 94.95 KN/m, Total factored load on Beam 2 = 87.40 KN/m, Load from Beam = Half Load from Beam 1 + Half Load from Beam 2, Load from Beam = (94.95 x 4.26/2) + (87.40 x 3.66/2) = 362.18 KN, Load on Column 1 = 10.35 KN + 362.18 KN = 372.53 KN, Load from Beam = Half Load from (Beam 1 + Beam 5 + Beam 3), Load from Beam = (94.95 x 4.26/2) + (87.40 x 3.66/2) + (134.09 x 3.66/2) = 607.57 KN, Load on Column 2 = 10.35 KN + 607.57 KN = 617.92 KN, Load from Column 1 = 372.53/1.5 = 248.35 KN, Self weight of footing = 10% of unfactored column load, Self weight of footing = 10/100 x 248.35 = 24.83 KN, Total Load on Footing 1 = 248.35 + 24.83 = 273.2 KN, Area of footing = Total Load/SBC of Soil = 273.2/200 = 1.36 m2, If for square footing, we take length = breadth, size of footing L = B = sqrt(1.36) = 1.16m, Assume one side of footing (B) = 1.0 m Length of footing (L) = 1.36/1.0 = 1.36 = 1.4m (say) calculate load on staircase, Load from column 2 = 617.92/1.5 = 411.95 KN, Self weight of footing = 10% of 411.95 = 41.19 KN, Total load on footing 2 = 411.95 + 41.19 = 453.14 KN, Area of footing = Total Load/SBC of Soil = 453.14/200 = 2.26 m2, Length of footing = 2.26/1.3 = 1.60 = 1.6m. Self-weight of the slab Wt. . One must check this https://www.dukeswiremesh.com/ it gives us more info on this topic. self weight of brick wall - Lori and Lisa Sell Save my name, email, and website in this browser for the next time I comment. LECTURE3: dead load calculation Second Term 2012 Weight of 1 m2 of slab 2 2 2 2 2 2 Total weight 0.2625 ton / m Weight of tiles 0.025 2.1 0.0525 ton / m Weight of mortar 0 025 2. So, the Self-weight of each square meter of the slab would be Slab Load Calculation = 0.150 x 1 x 2400 = 360 kg which is equivalent to 3.53 kN. Calculating Prestressed Hollow Core Slabs - Dlubal The total load of a beam depends on whether it is made of concrete or steel. If you have a query, you can ask a question here. Civil Engineering. For any building to find the size of footing, use a combination of loads i,e. PDF Loads which acts through out the life of the structure. slabs, Beams 8000 . If reinforcement is required, the concrete can be pre-stressed or rebar can be placed within the formwork before the concrete is poured. !you made so many thing easy for me!!! The self weight of any R.C.C structure is calculated by the formula [ Unit weight volume ] As you know, the unit weight of the R.C.C structure = (D) = 2500-kg / cum. Weight of slab = 0.15 x 25 = 3.75Kn/m2 In the above calculation of RCC slab weight further additional load due to floor finishes are to be included generally for stone/cement floorings 0.75 kn/m2 to 1.5 kn/m2 is considered. The weight of concrete is calculated based on the length, width and thickness of the slab. Typical Concrete Slab Thickness And Weights Slab Load Calculation | Beam Load Calculation - ConstructUpdate.com For composite beams in buildings, the headed shear connectors may be considered as ductile when the minimum degree of shear connection given in clause 6.6.1.2 is achieved. Therefore, slab load can be calculated to be about 6 to 7 kN for every square meter. The picture attached below shows the load distribution pattern in one way slab and two way slab. Once the composite slab has been designed, the design of the primary and secondary composite beams (i.e. 3.3m. Weight per square metre. slab - weight - vCalc How many shingles do i need for a 812 shed, How much does a truckload of gravel weigh, Field test on cement for quality check up at construction site. . Finally factored load is determined by considering extra 50% loads. The AcRib plus the Ac for the topping times the concrete density + the metal deck self-weight determines the total . How to calculate Self Weight of Slab - YouTube Load Calculation of Column, Beam, Wall & Slab - Civil Lead The slab is to be constructed using profiled metal decking and normal weight, grade 30 concrete. Calculate the axial un-factored load on Column A due | Chegg.com Two-way slabs are supported on four sides while one-way slabs are supported on two opposite sides. Structural Design | Load on Column, Beam & Slab Hi folks, ( I am a beginner and self-learning Robot) I saw in some YouTube tutorials that people add dead-load of the slab manually under the following circumstances: Structure type - 'building'. Due to the lesser self-weight of the nonsolid slab and the existing prestress, these precast prestressed hollow core slabs show a lower deflection than loosely reinforced slabs made of solid concrete. At the time of making calculation, self weight of columns is taken as 10 to 15 kN per floor. Tekla Structural Designer can automatically calculate the above weights for you taking into account the slab thickness, the shape of the deck profile and wet/dry concrete densities. How To Calculate Self Weight Of Slab Dead Load Civil Sir. Therefore, the plastic neutral axis lies within the steel section. Whereas in one-way slab the reinforcement is provided in one direction as it carries load in one direction. RAM SS Gravity Loads [FAQ] - RAM | STAAD | ADINA Wiki - Bentley (2022) Structville Integrated Services Limited. To see if RAM is calculating the mass, I think you need to look in RAM Manager Criteria>Self Weight. 8 0.126 ton / m Weight of plaster 0 015 2. Know Load Calculation of Column, Beam, Wall & Slab The steps in the design of profile metal decking for composite floors are; The figure below shows a part plan of a composite floor. Assuming that the plastic neutral axis lies a distance xpl below the top of the flange of the section, where; xpl = (Npl,a Nc)/2fyb = (2351.25 884.4)/(2 x 275 x 178.8) = 0.0149 m = 14.916 mm > tf (14.3 mm). I am sure many people will come to read this in future. 1 175 mm Thick Slab 36 3.750 3.750 0.175 14.063 88.594 strory height 5000 mm Density 25 kn/cu.mt.kn/cu.mt. Now each square meter of the slab would have a self-weight of 0.125 x 1 x 2400 = 300 kg which is equivalent to 3 kN. So, we can calculate slab load to be around 6 to 7 kN per square meter. The load per running meter can be calculated for any brick type by following this method. One way slab load calculation - SlideShare How to Calculate Load on Column, Beam, Slab & Wall - The Civil Engineering Please upload complete information regarding pile foundation . 43.27 < 66 Therefore shear buckling need not be considered. 12 As per Is 875 part I . Mx and My are moments on strips of unit width spanning lx and ly respectively, Slab is a flexural member subjected to bending stresses. If you are looking for a readymade calculator for the self-weight of structures, then click here. Imposed load = 4 kN/m2Partition load = 1 kN/m2Weight of finishes = 1.2 kN/m2Weight of ceiling and services = 1 kN/m2Total applied load = 7.2 kN/m2 (to be used for slab design i.e. . steel beams plus slab) can begin. The self-weight of the beam is calculated as done below, and expressed in terms of loading per meter length of beam. It's loadcase type is fixed as "Selfweight". Required fields are marked *. selection from manufacturers span-load table). Expert Answers: Self-weight of the beam = [ 2500kg/cum. It is very useful article and would suggest others too. Simple formula used to find out the self weight of any member, Firstly you have to find out the volume of structural member it may be slab, beam or column and then multiplying the volume with. To get update of latest post signup below by giving you email address. A slab is a structural element that is used to support ceilings and floors. Where: pe = pressure on soil in psf. Beam span = 7.5 mBeam spacing = 3.0 mTotal depth of slab hs = 130 mmDepth of profile hp = 60 mmOverall height of profile hd = 72 mmDepth of concrete above profile = 58 mmProfile: SMD TR60+ (1.2 mm gauge)Gauge = 1.2 mmMesh: A142, From the manufacturers technical data sheet;Volume of concrete = 0.096 m3/m2Weight of concrete (wet) = 2.26 kN/m2Weight of concrete (dry) = 2.21 kN/m2Weight of profile = 0.131 kN/m2Height to neutral axis = 33 mm, Shear connectorConnector diameter d = 19 mmOverall welded height of hsc = 95 mmUltimate tensile strength fu = 450 N/mm2, ConcreteNormal weight C25/30 concreteCylinder trength fck = 25 N/mm2Cube strength fck,cube = 30 N/mm2Secant modulus of elasticity Ecm = 31 kN/mm2, Permanent ActionsSelf weight of sheeting = 0.131 kN/m2 x 3 m = 0.393 kN/mAllowance for beam self-weight = 1.0 kN/m Allowance for mesh = 0.05 kN/m2 x 3m = 0.15 kN/mTotal gk = 0.393 + 1 + 0.15 = 1.543 kN/m, Variable ActionsSelf-weight of fresh concrete = 2.26 kN/m2 x 3m = 6.78 kN/m (note that fresh concrete is treated as variable action in the construction stage)Construction load = 0.75 kN/m2 x 3m = 2.25 kN/mTotal qk = 6.78 + 2.25 = 9.03 kN/m, At ultimate limit state = 1.35gk + 1.5qk = 1.35(1.543) + 1.5(9.03) = 15.63 kN/m Design moment MEd = ql2/8 = (15.63 x 7.52)/8 = 109.898 kNmDesign shear force VEd = ql/2 = (15.63 x 7.5)/2 = 58.61 kN, Permanent ActionsSelf weight of sheeting = 0.131 kN/m2 x 3 m = 0.393 kN/mAllowance for beam self-weight = 1.0 kN/mAllowance for mesh = 0.05 kN/m2 x 3m = 0.15 kN/mSelf-weight of dry concrete = 2.21 kN/m2 x 3m = 6.63 kN/mWeight of finishes = 1.2 kN/m2Weight of ceiling and services = 1 kN/m2Total gk = 0.393 + 1 + 0.15 + 6.63 + 1.2 + 1 = 10.373 kN/m, Variable ActionsImposed load on floor = 4 kN/m2 x 3m = 12 kN/m Movable partition allowance = 1 kN/m2 x 3m = 3 kN/mTotal qk = 12 + 3 = 15 kN/m, At ultimate limit state = 1.35gk + 1.5qk = 1.35(10.373) + 1.5(15) = 36.5 kN/m, Design moment MEd = ql2/8 = (36.5 x 7.52)/8 = 256.6 kNmDesign shear force VEd = ql/2 = (36.5 x 7.5)/2 = 136.875 kN, An advanced UK beam S275 is to be used for this design.Fy = 275 N/mm2m0= 1.0 (Clause 6.1(1) NA 2.15 BS EN 1993-1- 1:2005), From steel tables, the properties of 406 x 178 x 67 UKB are;Depth h = 409.4 mmWidth b = 178.8 mmWeb thickness tw = 8.8mmFlange thickness tf = 14.3 mmRoot radius r = 10.2 mmDepth between fillets d = 360.4 mmSecond moment of area y axis Iy = 24300 cm4Elastic modulus Wel,y = 1190 cm3Plastic modulus Wpl,y = 1350 cm3Area of section A = 85.5 cm2Height of web hw = h 2tf = 380.8 mmEs (Modulus of elasticity) = 210000 N/mm2 (Clause 3.2.6(1)), Check out also .Design of Steel Beams to BS 5950 1: 2000Structural Analysis of Compound Arch-Frame Structure, = (235/Fy) = (235/275) = 0.92 (Table 5.2 BS EN 1993-1- 1:2005), Outstand flange Flange under uniform compression c = (b tw 2r)/2 = [178.8 8.8 2(10.2)]/2 = 74.8 mm, The limiting value for class 1 is c/tf 9 = 9 0.925.23 < 8.28Therefore, outstand flange in compression is class 1, Internal Compression Part (Web under pure bending)c = d = 360.4 mmc/tw= 360.4/8.8 = 40.954. 15/32-Inch Thick. It is made of concrete and reinforcements are provided to support it. For example; 500 x 250mm slate (4-5mm thick) = 1.889 kg x 18.8 (at 75mm lap) = 35.51kg per square metre. It is several inches thick and it rests on beams and columns. Also, the longer to shorter span ratio is less than 2 in all panel slabs so all slabs panels are two-way slabs.

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