1 heighth = 250 mm. Determine the maximum permissible value q if the allowable bending stress is all = 11.6 MPa, and the allowable shear stress is t = 1.85 MPa. (Enter the magnitude in kN/m.)
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- •Timber beamSafe working stress = 25 MPaCross-section dimensions:height = 119 mm,width = 66 mmProving ring number 293. Steel beam Safe working stress = 200 MPa Cross-section dimensions:external height = 149 mm,external width = 50 mm,wall thickness = 3.0 mm,Proving ring number 1522.1)Calculate safe max bending moment in the central part of the beam using Mmax = (I)(max stress)/(D/2)2) calculate Safe applied force in the proving ring or tie rod, assuming a symmetrical setup as in the photowith a ‘lever arm’ of 600 mmThe overhanging beam shown supports the given ultimate load Wu= 5okN/m. The section is 300mm by 500mm rectangular beam having f'c=35MPa, fy=420 MPa, stirrups diameter = 10mm and concrete cover 40mm. a.) Calculate the vertical reaction at B in kN b.) Calcute the vertical reaction D in kN c.) Calculate the area of steel reinforcement corresponding to rho max in mm^2. d.) Calculate the location of the point of zero shear in the beam measured from the left support B in mm. e.) Calculate the maximum positive moment in the beam in kN.m.sA rectangular piece of wood, 134.03 mm by 100 mm in cross section, is used as a compression block as shown. Use θ = 29.13°. What will be the value of the axial load P (in kN) if the shear parallel to the grain is limited to 14.88 MPa?
- The cantilever beam is subjected to the load shown Below. Determine 1. the actual stresses acting at point A. (Hint: Tmas TIN EA). 2. IfG =30 GPa find the angle of twist at the free end of beam. 10 KNA simply supported concrete beam 6m long is reinforce with four-28 mm diamgram tension bars. The beam has a width of 300mm and over all depth of 400.the steel covering to the centroid of the renforcement is 70 mm fc=30mpa and fy 418mpa A .draw a stress diagram B.compute for the ultimate capacity of the beamThe standard load is 100kN. Given that n=4 and α=1, calculate EALF 80.
- SITUATION A: The floor system shown has the following applied loads. Super Imposed Dead Load = 2.00 kPa Live Load = 1.90 kPa Slab Thickness = 100.00 mm Weight of Concrete = 24 kN/m3 Self-Weight of the beam = 1.92 kN/m Material Specifications: f’c = 21.00 MPa fy = 345.00 MPa Steel Cover = 50.00 mm What is the maximum positive moment of beam BE, acting on the midspan? in kN-m What is the maximum steel ratio of the section located at the supports? What is the actual steel ratio of the beam section at the supports? What is the ultimate moment capacity of the beam at the supports? in kN-m What is the effective flange width at the midspan? in mm What is the height of the compression block of the section at midspan? in mm What is the ultimate moment capacity of the beam at the midspan? in kN-m What would be the height of the CHB that can be placed on beam BE? Assuming the weight of the blocks is 2.30 kN/m per meter height? in meters1. The aluminum block has a rectangular cross section and is subjected to an axial compressive force of 8 kip. If the 1.5-in. side changed its length to 1.500132 in., determine Poisson’s ratio and the new length of the 2-in. side. Eal = 10(103 ) ksi.Given the image below what is the equivalent force-bouple at poitn A at tension of cord Cg when Tcg = 52.1N?
- A floor is supported by 75 mm x 200 mm wooden joists spaced at 400mm on centers with an effective span of 3m. The total floor load transmitted to the joists is 5kPa. If the unit weight of wood is 6.3 kN/m3 and elastic modulus of wood is 12x103 MPa. W Tributary 400 6001 mm -3m Was kPa FO 400 in Floor (a) Determine the maximum bending stress (fb). (b) Determine the maximum shearing stress (fy). (c) Determine the maximum deflectionReinforced And Prestressed Concrete Instructions: Solve all problems completely. If assumptions are made, verify if the assumption are correct. No verification of assumption leads to loss of points. PROBLEM: A reinforced rectangular beam with width b and effective depth d has 4.16 mm bars placed on 1 layer at the tension side. The beam has a stirrup with a diameter of 10 mm. Use fc=28 Mpa and fy=420 MPa GIVEN: b= 197.5 mm d= 317.5mm L= 2.7 m Wd = 13.75 kN/m WL = 17.75 kN/m Calculate the nominal moment capacity of the beam Calculate that strain of the tension bars. Calculate the strength reduction factor of the beamA simply supported beam has a maximum shear equal to 20 KN. The beam has a width of 200 mm and a depth of 250 mm and is made up of 80% grade Narra. Use dressed dimension by reducing its dimensions by 10 mm. What is the actual shearing stress of the beam in MPa? Blank 1 (use two decimal places, no need for unit).