Solve using the yield line method and then find max..W tent M +91 M/2 LL/2-+ L/3- +13-
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- Two circular shafts are joined together between fixed supports to resist a torsional moment of 80 kN-m as shown. Determine the absolute value of the maximum torsional shear stress of the hollow steel shaft (in MPa). 20 IN-m Sm stcel hellw circalar duminum Selid circular D= 75 mny Do- IDO mn D> 80 mm G- D GPon 6- IS0 EPaA cantilever beam with a ‘T’ shaped cross-section is loaded with a distributed load as shown below.The intensity of the distributed load is 100N/mm. b = 6.25mm and c=6.25mm.Parameter Description Value UnitsL - Beam length 250 mma - Width of the flange 80 mmd - Height of the web 75 mmσ - Yield stress 250 MPaYou are tasked with ensuring the beam can withstand the applied loading. To do this you must:a) Calculate the centroid for the given cross-section. Your value of ?ത should be measured fromthe bottom of the section. Determine an expression for Q (statical moment of area) for thegiven shape. The expression(s) for Q should be in terms of the variable, y, measured from thebottom of the section. b) Create a graph of the shear and bending stresses at the fixed support (B) over the crosssection. The stresses should be plotted as a function of y, measured from the bottom of thesection.Determine the safe load of the column section shown, if it has a yield strength of 25 MPa. E = 200000 MPa. Use NSCP Specifications. Fyz248 mpa Properties of Channel Section d = 305 mm t₂ = 7.2 mm A = 3929 mm² t₁ = 12.7 mm Ix=53.7 x 10mm¹ x = 117 mm Properties of W 460 x 74 A = 9450 mm² b = 190 mm ly= 1.61 x 10 mm x = 17.7 mm tw = 9.0 mm rx = 188 mm ry = 41.9 mm d = 457 mm tr = 14.5 mm Ix = 333 x 10 mm Iy = 16.6 x 10mm* 7.21 When the height of column is 6 m. When the height of column is 10 m. Assume K= 1.0 457 CIVIL ENGINEERING- STEEL DESIGN
- (40 Hiw A Pismatic steel bar ofa Square cross section (loo*lo0)mm is looled by Comressive force P= 1300 kU, the bar has length 2.5 m, Eg=200 G Pa, V=0.3,determine the Shortening d, the increase in the dimensions of cross Section , the change in Volume DV of the bar? loomm JoommSolve for the EI A using conjugate, beam method 3m 50 kN 2m EID @ pt. C 60KN die 2.5m åcheck both LFRD and ASD. please check the given in the figure use it
- Example 2-1 Compute the allowable bending stress (ASD) for a beam shown, subjected to a bending moment of 34kN.m, then find the moment that induces first cracking if f =35MPa and E, is 200GPa. a. Use accurate method. b. Use the simplified method (approximate). 4-025mm 300 F 390 ↑ 450mk=17 p=117kN Strength of material question. without taking into account wire thickness.The compound bar carries axial loads as shown. Determine the maximum allowable value of P if the change in length of the entire bar is limited to 0.08 inch and the working stresses listed in the table are not to be exceeded. Steel 2 ft Bronze 4 ft Aluminum 3 ft 2P 3P 4P A (in.?) E (psi) a. (psi) Steel 0.75 30 x 10 20000 12 x 10 10 x 10 Bronze 1.00 18000 Aluminum 0.50 12000
- Derive the maximum steel ratio and the recommended rteel ratio fe' O.856 fy Po-004 3 0.85 fc' pooos= 0-85SOLVE THIS PROBLEM USING THE SLOPE DEFLECTION EQUATIONS: A bolted connection shown is connected by 20 mm diameter bolts with an edge distance of 50 mm and the distance center to center of holes to be 75 mm. Assume that the deformation at bolt hole is a design consideration. The bolted connection is carrying an ultimate load Pu = 1500 kN, Fy = 248 MPa, Fu = 400 MPa and Fn = 415 MPa. Determine the following: (1) Design bearing strength of one bolt. (2) Design shear strength of one bolt. (3) The number of bolts are required for the connection show. P 12 mm plase P= I S00 kN 18 mm platr 12 mm plate4 - For the beam loading configuration and cross-section shown below, what is the maximum allowable load P given that the maximum allowable stress (in tension and compression) is 120 MPa? PO Р 1.6m PN ż 0.8m 0.8m P80 1.6m Р 30 30 T 10 dimensions in mm beam cross-section (same as problem 3, but inverted)