Q1:A: The 1x6 in. plate shown in Figure below is connected to a 1x10 in. plate with longitudinal fillet welds to transfer a tensile load. Determine the LRFD design tensile strength of the member if F, = 50 ksi and F, = 65 ksi. PL1 X 10 in PL1 x 6 in P 3D6 in P. Longitudinal fillet welds L 8 in

Q1:A: The 1x6 in. plate shown in Figure below is connected to a 1x10 in. plate with longitudinal fillet welds to transfer a tensile load. Determine the LRFD design tensile strength of the member if F, = 50 ksi and F, = 65 ksi. PL1 X 10 in PL1 x 6 in P 3D6 in P. Longitudinal fillet welds L 8 in

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter6: Beam–columns

Section: Chapter Questions

Problem 6.9.1P

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4.) A 150 x 90 x 12 angular section is welded to a gusset plate as shown in the figure. The angle is A36 steel with FY=248 MPa. The weld is E 80 electrode with Fu = 550 MPa. The allowable tensile stress for the angle is 0.6Fy and the allowable shear stress for the weld is 0.3Fu. The Area of the angular section is 2751 sq.mm. with y=51mm. CS 56 Which of the following most nearly gives the design force P? a.) 400,365.9 N b.) 409,348.8 N c.) 412,793.5 N d.) 420,366.6 N 5.) A W350 x 90 steel is used as a simply supported beam 8m long. The beam carries three equal concentrated loads at every quarter points. It also carries a uniform dead load o 5 kn/m (including its own weight) and a uniform live load of 7.20 kn/m. Properties of W 350 x 90 steel: bf = 250 mm The allowable bending stress is 0.66Fy. The allowable shear stress is 0.40Fy. The allowable deflection is L/360. Use Fx=248 Mpa and E=200 Gpa. tf = 16.40 mm V d = 350 mm Determine the maximum value of each concentrated load based on…
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2- A 2m COPPER BAR SUBJECTEO TO A TENSILE IS SUSPENDED FROM A LOAD IBO KN SUPPORTED BY TWO IDENTICAL PIN THAT S pOSIS AS SHON OF THE LOWER AFPLIED TENSILE POSTS SUPPORT THE STEEL DETERMINE THE TOTAL DEFORMATION END OF THE LOAD HINT: NOTE THAT THE STEEL PIN WHERE THE COFPER BAR IS ATTACHED. COPPER BAR DUE TO STEEL POST L=0.5m A= 4500mm E- 200GPA COPFER BAR L- am A= 4800 Mn E- l20 GPa 180KN
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THEORY OF STRUCTURES
A steel plate is used to connect a column and beam as shown in Fig. 1. The connection for columnis fillet welds and the connection for beam is a group of bolts. Given Q=150kN and Mx= -5kN-m(applied at centriod of the bolt group), determine: (1) maximum shear force in bolts; (2)maximum stress in welds.
Rigid bar ABCD is supported by a pin connection at A and by two axial bars (1) and (2). Bar (1) is a 30-in.-long bronze [E = 15900 ksi a = 9.4x 10-6/°F] bar with a cross-sectional area of 1.00 in.?. Bar (2) is a 48-in-long aluminum alloy [E = 9200 ksi, a = 12.6 x 10-6/°F] bar with a cross-sectional area of 2.50 in.?. Both bars are unstressed before the load Pis applied. Assume L4=30 in., L2=48 in., a-32 in., b=44 in., and c=14 in. If a concentrated load of P = 29 kips is applied to the rigid bar at Dand the temperature is decreased by 120°F, determine: (a) the normal stresses in bars (1) and (2). (b) the normal strains in bars (1) and (2). (c) the deflection of the rigid bar at point D. (2) L2 A B D L1 (1) b
1. Two plates each with thickness 7-160mm are bolted together with 6-22 mm dia. bolts forming Bolt 52= 80mm spacing are as follows S₁ = 40mm Bolt hole dia. 25mm S3 = 100mm L fu- 483 тра ту- 345 тра Solve the allowable istrength and the P a Ultimate strength in: 1- Yielding 2. Rupture 3. Shear 4. Block Shear oo lap connection atat
Rigid bar ABCD is supported by a pin connection at A and by two axial bars (1) and (2). Bar (1) is a 34-in.-long bronze [E = 14300 ksi, a = 8.4 x 10-6/°F] bar with a cross-sectional area of 1.75 in.². Bar (2) is a 42-in.-long aluminum alloy [E = 10200 ksi, a = 11.9 × 10-6/°F] bar with a cross-sectional area of 2.00 in.². Both bars are unstressed before the load P is applied. Assume L₁=34 in., L₂=42 in., a=38 in., b=52 in., and c=16 in. If a concentrated load of P = 33 kips is applied to the rigid bar at D and the temperature is decreased by 85°F, determine: (a) the normal stresses in bars (1) and (2). (b) the normal strains in bars (1) and (2). (c) the deflection of the rigid bar at point D. (2) A B a (1) L₁ b C L2 D
4.) A thin plate PQR is deformed so that the corner Q is displaced downward 1.0 mm to new position Q' as shown. Determine the shear strain at Q' associated with the two edges. 5) A pin mado of steo1 ie insorted in o short hanging TAOodon mombor ond iG 1used to Supnort lond E - 20
Situation 5. The angular section shown below is welded to a 12 mm gusset plate. Both materials are A36 steel with Fy = 250 MPa. The allowable tensile stress is 0.6Fy. The weld is E80 Electrode and 12 mm thickness. INNOVATIONS Properties of L 150x90x12: y = 50 shear stress of weld = 0.3Fu A = 2750 Allowable REVIEW INNOVATIE a K ➜ www A. 234 KN B. 349 KN b 13. What is the value of P without exceeding the allowable tensile the angle? C. 382 kN p. 413 kN 14. Find required length of the weld based on shear? A. 280 mm C. 300 mm D. 380 mm B. 320 mm 15. Find the required value of a? A. 108 mm B. 97.9 mm D. 185 mm NEW INNOVATIONS REVIEW INNOVATIOf REVIEW NEW INNOVATIONS
* A 76 mm x 76mm x 6mm angular section is welded to a gusset plate having a thickness of 8mm as shown in the figure. The length L1 equals 125mm and L2 is 65mm. The angular section has a cross sectional area of 929mm2, Fy=248 MPa, Fu=400MPa. Determine the value of tensile force P based on block shear in gusset plate along the weld in kN. Allowable stresses: Allowable tensile stress (gross area) = 0.6Fy Allowable tensile stress (net area) = 0.50Fu Allowable shear stress (net area) = 0.30Fu P gusset plate L₂= 65 mm 25 mm