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- Determine the principal stresses. Show all results on complete sketches of differential elements. (input the Maximum Principal Stress in the answer box) ox- 65 ksi, ay - 89 ksi, Dxy - 58 ksiDe term ine the kin d and am ount of stress in e ach mem ber of the truss shown by the method of jo in ts in figure P 5-2 (page 76).- 1000lb 1000lb 1000lb 1000Ib 1000 Ib U. h = 20 ft 500lb 500 Ib L. L. RAV 6 pane ls at 10' - 6 ft RBy Note: 1. F o llo w strictly the lecture notes g iv en. Draw the FBD of e ach jo in t 2. Sum m a rize and tabu la te your answers. 3. Compu te the bar forces up to member U,L3 on ly because the truss lo a d in g is sym metric aland the bar forces of right sid e members are id en tic al w ith th e left s ide members. But you in c lu de th e rig ht sid e mem bers in have to the tabu la tion. 4. Show the com puta tio n ho w the leng th s were obta in ed. 5. Look for your own data in the table provided. 6. Copy the problem , data of problem and fig ure of the proble m TABULAT ION FOR SUMMAR Y OF COMPUTATION OF BAR FORCES METHOD OF JOINTS (PROBLEM P5-2 PAGE 76) Mem ber Identification Length Bar Forc e Туре of ft Ib force LOL1 10 3750 Tensio n L1L 2 10 Tension…rectanqular seetion with width bz250 and depth h= 500mm is to carcry a A m %3D design bending moment M= 260KN•M, The conerete is of greade e30 and the tensile steel is of HRB400. The tension reinforzce. ment A, is requined.
- 10/10 find the tensile stress in upper plate in section 3-3 80 kN 80 kN 8-bolt DIA. 10 MM 80 kN 80 kN 8-bolt DIA. 10 MM 10 MPа О 12.5 MPa 15 MPa 8.5 MPa O no one O ---.. O- O O 300mm 8 mmQ.2. The rigid bar AB, atrached to two verti cal rods as shown in Fig (e), is horizontal before the lead p is applied. If the load pe so kN, ditermine its Vertical mmovement. Aluminum Steel A300 mm 200 G A500 mm R-70 GN -3m- Fig (2)Q1 Delermine the design (ultimate) bending mement for the beam sections showen belowi- 300 mm AG0 mn 330 530 4 bars A es 70 (a) fy s20 Mla - 34 Mla SI0 mm fe'= 28 MAA An 820 mn Ans: prh= 448ma) (Ans: Sectien has954. The 2014-T6 aluminum rod AC is reinforced with the firmly bonded A992 steel tube BC. When no laad is applied to the assembly, the gap between end C and the rigid support is 0.5 mm. Determine the support reactions when the axial force of 400 kN is applied. 400 mm 400 kN A992 steel So mm S00 mm 25 mi2014-T6 aluminum alloy Section a-aThe 2014-T6 aluminum rod AC is reinforced with the firmly bonded A992 steel tube BC. When no load is applied to the assembly, the gap between end C and the rigid support is 0.5 mm. Determine the support reactions when the axial force of 400 kN is applied. 400 mm 400 kN B A992 steel 50 mm 800 mm 25 mm 2014-T6 aluminum alloy Section a-a -400(10*) N st (a)4 A flanged bolt coupling has ten 12-mm di ameter steel bolts on 500 mm diameter b olt circle and six 16 mm diameter aluminu m bolts on 300 mm diameter bolt circle. T he maximum shear stresses of the materi als are 60 MPa in steel and 40 MPa in al uminum. Use G = 80 GPa for steel and 3 0 GPa for aluminum. What is the maximu m required shear strength of each alumin um bolt to determine the maximum torqu e that can be applied to the system? Dra wing not included in this problem.Find the stress in each rods. The 300 mm x 300 mm santrir m 2 m P-30 kN Steel L-0.5m E-200 GP A-500 m 1.5m Bronze L-2m E-70 GPa A-300 mm²Qそ- d Iム the force in member (B) (B G-) Max foves that can tん Then Compute Moving Lead in both dink be de ve loped (GH) alony the bottom cord? 140 h 35 w H.Auniform bar 1 is connected to a tapered rod 2. Both are subjected to axial loads as shown. If P- 7 KN, Determine the axial deformation of uniforn bar 1 (in mmi. Indicate negative sign if compression. 5P O 3P E-200 GPa gomm o mm Z so mm 30 mm 30 mn 30 mm 80 mmSEE MORE QUESTIONS