Method of Joints 1. The portion of truss shown represents the upper part of a power transmission line tower. For the given loading, determine the force in each of the members located above HJ. State whether each member is in tension or compression. 1.60 m -221 m- To60m To.60m 1.20 m To60m T0.60m 2.97 m- 12N 1.20 m 12 AN To.60m fo 60m M 12 KN 12 kN
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- Two d mm*10 mm cover plates are welded to two UPN 200 channels 100 mm high to form the cross section of the compound beam shown in the figure. The moment of inertia of each channel about a horizontal axis through the centroid is 19.10*106 mm4. a) Determine the support reactions. b) Draw the shear force and bending moment diagrams. c) If the allowable bending stress of the beam is 300 MPa, find the required width d of the plates to safely support the load.Thumbs-Up will be given. Write the complette solutions legibly. Answer in 3 decimal places. Please answer all since they are all subquestions. Thanks Structural Theory 1d. Determine the vertical reaction R₂ in kN 1e. Determine the shear at midspan between vertical supports in kN. 1f. Determine the maximum factored load moment in the beam in kN.mBADLY NEED IN 1HOUR PLS THANKYOU Above is a simple truss with P = 45.67 KN (write answers in kN in 2 decimals) Compute for the forces in: a. Member DA b. Member BH c. Member HI d. Member DG e. Member El f. Member AF g. Resultant Force Reaction of Support F (3 pts)
- The frame is used to support the wood deck in a residential dwelling. Sketch the loading that acts along the members BG and ABCD. a) Set b = 4.5 m, a = 2.4 m. Use Live Load = 1.92 kPa. b) Set b=2.4m, a=2.4m. Use Live Load = 1.92 kPaThree rods each with area of 250 mm² jointly supports a 9.5 kN load. Assume that there was no slack stress in the rods before the load was applied. E(steel) = 200 GPa, E(bronze) = 83 GPa. The steel supports the load vertically while the two bronze are opposite each other inclined at an angle 30 from the vertical forming a triangle to the common support.1. Find the load carried by the steel rod if it is 3 meters long. a. 3.236 kNb. 5.124 kNc. 6.174 kNd. 6.147 kN2. Find the stress in each bronze rod. a. 6.78 MPab. 7.68 MPac. 5.4 MPad. 7.10 MPa3. Find the elongation of the steel bar. a. 0.370 mmb. 0.124 mmc. 0.356 mmd. 0.427 mmFor the truss shown below, applied loads are PB = 73 kN, PC = 36 kN and PD = 15 kN. Using the sign convention 'tension positive', select the correct answer for the axial force in member GH in kN: К F AR G В Рв 4@3m=12m O 1. The axial force in member GH is -60 kN. O2. The axial force in member GH is -78 kN. O 3. The axial force in member GH is -67.1 kN. Н Pc J D Ро K E 4m ?
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- A 5.0m simple beam supports the given floor loads Wu and a concentrated load Pu due to the wall transverse to the given beam. Answer the following questions given the sections of the beam. Calculate the depth of the neutral axis of the section in PART B in mm.0 Calculate the stress in the steel of the section in PART B in MPa.0 Calculate the ultimate moment capacity of the section in PART B in kN.m.0 thank youAnalysis the truss shown E=210 kn/mm^2 , A=100mm^2 for all membars using consistent deformation methodAssume that the axial load P = 40kN applied to the lap joint is distributed equallyamong the three rivets. What is the smallest diameterof the rivetif the allowable stresses are 90 MPa for bearing between a plate and a rivet, and 40MPa for shear in rivets?