Montebon, Jamaica Mae B PIate No. lo Vir tyal Work Method (Trusses) ID NG. 16-0893-335 #1. Determine the vertical dispiacement Of joint A-Each bar is made of steel qnd has a cras ectional area Of 600 mm2 qke E = 200 CPa.use the me thad of virtual wark. Use P Las4 2 digits of ID No. a: Sth digit of ID NO. P 35 a 9 15m 1.5m P 35
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- The steel truss supports a 6000-lb load. The cross-sectional areas of themembers are 0.5 in.2forABand 0.75 in.2forBC. Compute the horizontal displace-ment ofBusingE¼29106psi. ans. no. 10 only , GIVEN, REQD AND COMPLETE SOLUTIONThe riveted lap connection shown consists of two(2) – PL 12 mm × 280 mm. 1. If allowable bearing stress in holes is 1.2Fu where Fu is the ultimate strength of the plate and which is equal to 400 MPa, find the maximum allowable force P that can be applied neglecting effect of eccentricity. a. 563.3 kN b. 460.8 kN c. 683. 6 kN d. 405.9 kN 2. If allowable yielding of gross area is Fy/1.67, where Fy is the yield strength of the plate and which is equal to 250 MPa, find the maximum allowable force P that can be applied neglecting effect of eccentricity. a. 534 kN b. 560 kN c. 446 kN d. 503 kN 3. If diameter of hole equals diameter of rivet, what is the net area of edge-3-4-edge in square millimeters? a. 2540 b. 2590 c. 2880 d. 20401. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 a. Considering sag rods and tie rods at midspan, what is the maximum moment about major axis in N-m? (2 decimal places) b. Considering sag rods and tie rods at midspan, what is the maximum moment about minor axis in N-m? (2 decimal places) c. Considering sag rods and tie rods at midspan, what is the interaction value for combined moment? (2 decimal places)
- 1. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 a. Considering sag rods and tie rods at midspan, what is the maximum moment about major axis in N-m? (2 decimal places)2. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 e. Considering sag rods and tie rods at third points, what is the maximum moment about minor axis in N-m? (2 decimal places)3. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 g. Considering sag rods and tie rods at third points, what is the required diameter of sag rods? (rounded value)
- 3. A 20m Fink Truss are spaced at ‘S’ meters o.c. the purlins are made up of C10X20 sections and are spaced 1.1967m on centers. The truss has a height of 4m. Roof LL is ‘RLL’ N/m2 of roof surface and roof covering is assumed to be ‘RDL’ N/m2 of roof surface. Determine whether the purlins are adequate to carry such loadings. Fy = 248 MPa. C10X20 properties: w=29.76kg/m, A=3787.09mm2, Ix=32.84x106mm4, Iy=1.17x106mm4, Zx=317.91x103mm3, Sx=258.92x103mm3, Zy=44.25x103mm3, Sy=21.47x103mm3 S (m) RLL (N/m^2) RDL (N/m^2) 6.00 900 900 f. Considering sag rods and tie rods at third points, what is the interaction value for combined moment? (2 decimal places)Three steel bolts are to be used to attach thesteel plate shown to a wooden beam. Theplate will support a 110kN and the ultimateshearing stress for the steel used is 360MPaand that a factor of safety of 3.35 is desired,determine the increase in the bolt diameterrequired if an additional 100kN load is addedto the existing 110kN.Urgent Given the following data for a rectangular beam, b = 320 mm, d = 520 mm, f’c = 27 MPa, fy = 345 MPa.Dead Load Moment = 180 kN-m, Live Load Moment = 167 kN-m. Determine the required tension steelarea. (answer with complete solution) Final answer must be: Mu = 483.2 kN-m, FMnmax = 487.31 kN-m, c = 208.8 mm, As = 3,777 mm2
- The plate shown is fastened to the fixed member by five 10-mm-diameterrivets. Compute the value of the loads P so that the average shearing stress in any rivetdoes not exceed 70 MPa. Present drawings/FBD’s illustrating your solution.A 5/8 in- diameter steel rod AB is fitted to a round hole near end C of the wooden member CD. For the loading shown, which of the following nearly gives the bearing stress in the wood in psi?Determine if the channel is adequate for the tension load Pu = 420 kN as shown. The channel is ASTM A-36 steel (Fy = 248 MPa, Fu = 400 MPa) and it is connected with four 16 mm diameter bolts. Determine the block shear strength of the section. Ubs = 1.0 Determine the strength based on gross yielding. Determine the strength based on tensile ruptuture.