h As' 200 mm As 90mm b A 100 mm 30mm 3. Determine the ultimate moment carrying capacity of the double reinforced concrete section given in the figure. Material: C30 / S420 As: 5028 As': 1022
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REINFORCE
B=(335mm)
H=(435mm)
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- Given the following allowable stresses:• 50 MPa for shear in rivets• 100 MPa for bearing between a plate and a rivet• 80 MPa for tension in the platesNOTE: Draw FBD(a) If we increase the diameter of each bar to 20 mm, determine the maximum load Pthat can be applied to the lap joint.(b) Using the value computed for maximum load P from (a) compute for the over-allfactor of safety given that the actual P= 20kN.A cast iron 3m long is completely filled with concrete and used as a vertical strut. If the externaldiameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressiveload the composite strut can support if the stress in the concrete is not 2N/mm2? By how muchshould the strut shorten under this load? For cast iron EA= 100GN/m2 and for the concrete EB=10GN/m2?Don't copy from other websites. Determine the maximum load P that can be applied if the device is made from a 1.5" diameter round bar. The allowable stress is 70 Ksi.
- A simply supported one way reinforced concrete floor slab has a span of 3 m. It carries a service live load of 8.4 kPa and a service dead load of 1.2 kPa, compressive strength of concrete is 20.7 MPa while the yield strength of reinforcement bars is 414.16 MPa. Use 25 clear cover. Unit weight of reinforced concrete is 24 kN/m3. Determine the factored moment in kN-m. Round off your answer to two decimal places. No need to indicate the unit.What is the minimum required bolt diameter (mm) at C ifthe allowable bolt shear stress is 68 Mpa.a. 9 mm c. 11 mmb. 10 mm d. 12 mm Determine the stress (Mpa) in strut BC.a. 5.6 MPa c. 3.2 MPab. 2.8 MPa d. 6.4 MPa Calculate the bolt stress (Mpa) at A if its diameter is 20mm.a. 7.64 MPa c.11.46 MPab. 3.82 MPa d.14.92 MPaA hollow steel [E = 30,000 ksi] tube (1) with an outside diameter of 3.50 in. and a wall thickness of 0.201 in. is fastened to a solid 2.00-in.-diameter aluminum [E = 10,000 ksi] rod. The assembly is attached to unyielding supports at the left and right ends and is loaded as shown. Assume P=19 kips, Q=13 kips, L1=7 ft, L2=9 ft, and L3=9 ft. Determine(a) the stresses in all parts of the axial structure.(b) the deflections of joints B and C.
- A bracket has been loaded as shown in figure. Compute the top and bottom fibre stress at section A-BWhat is the safe strength of a 5/16 in. fillet weld if it's actual length is 3 1/2 in. and the allowable unit stress in shear is 13,600 psi? A. 8650 lb B. 9420 lb C. 10,500 lb D. 11,800 lbDetermine the resultant on the most stressed bolt usingelastic method. PN=640
- A W18×86 beam is riveted tona W24×117 grinder by q connection as shown in the figure. The diameter of the rivets is 7/8 in, and angles are each 4×31/2×3/8 in. For each rivets assume that the allowable stresses are T= 15 ksi and stress in b is 32 ksi. What is the bearing strength of the grinder? What is the bearing strengtht of the beam? What is the shear strength of the rivets? What is the maximum load that the connection can carry?A cast iron tube 3m long is completely filled with concrete and used as a vertical strut. if the external diameter of the tube is 450mm and the wall is 35mm thick, determine the maximum compressive load the composite strut can support if the stress in the concrete is not exceed 2N/mm². By how much should the strut shorten under this load. For cat iron EA= 100GN/m² and for concrete Eb = 10GN/m².A built-up tee-shape beam section consists of 2 steel plates 7/8 in. x 10-in. flange and a 1-in. x 12-in web. The yield stress Fy is 50ksi. Calculate the yield moment in kip-ft. Express your answer in 2 decimal places.