5.24 Members BF, BC, and EF. Problem 5.24 A 1000 lb B 2000 lb с E F 3 bays @ 8'-0" = 24'-0" D 12'-0"
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Determine the forces in members BF,BC,EF in the truss shown.
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- concrete : C20 steel: S420 h=550 mm b=350mm steel rebars : 5Φ1813) A short rectangular column 300 mm on one side and 400 mm on the other side is reinforced with 8-16-mm-diameter longitudinal bars equally distributed to all sides. Use f’c = 21 MPa and fy = 420 MPa. Calculate the required spacing (mm) of laterial ties 10-mm-diameter. A. 300 B. 250 C. 450 D. none of the aboveA short rectangular column 300 mm on one side and 400 mm on the other side. It is reinforced with 8-16-mm-diameter longitudinal bars equally distributed to the shorter sides of the column. Use f’c = 21 MPa and fy = 420 MPa. calculate the required spacing (mm) of laterial ties 10-mm diameter. a. 300 b. 250 c. 450 d. none of the above
- At-beam has a width of flange equal to 700mm and a thickness of 100mm. It has an effective depth of 450mm and the width of the web section is 350mm. It is reinforced at the bottom with a steel area of 2925sq.mm. fc'=17.24MPa, fy=413.7MPa. The depth of the compression block is _mm. A. 136.00mmB. 146.00mmC. 126.00mmD. 156.00mmA flooring system consists of parallel I-beam sections spaced at 3 m. on centers simply supported over a span of 9 m. The beam supports a 200 mm thick concrete slab of ultimate strength f’c = 21 MPa. The flooring system is designed for as ceiling and floor load of 750 N/m2. The properties of the I=beam sections are: A = 11,500 mm^2 d = 350 mm; tw = 10 mm bf = 250 mm; tf = 16 mm Ix = 266x10^6 mm^4 Iy = 45 x 10^6 mm^4 Fy = 248 MPa Wb = 90 kg/m Fy = 248MPa calculate the total factored uniformly distributed dead load in kN/mA flooring system consists of parallel I-beam sections spaced at 3 m. on centers simply supported over a span of 9 m. The beam supports a 200 mm thick concrete slab of ultimate strength f’c = 21 MPa. The flooring system is designed for as ceiling and floor load of 750 N/m2. The properties of the I=beam sections are: A = 11,500 mm^2 d = 350 mm; tw = 10 mm bf = 250 mm; tf = 16 mm Ix = 266x10^6 mm^4 Iy = 45 x 10^6 mm^4 Fy = 248 MPa Wb = 90 kg/m Fy = 248MPa
- A flooring system consists of parallel I-beam sections spaced at 3 m. on centers simply supported over a span of 9 m. The beam supports a 200 mm thick concrete slab of ultimate strength f’c = 21 MPa. The flooring system is designed for as ceiling and floor load of 750 N/m2. The properties of the I=beam sections are: A = 11,500 mm^2 d = 350 mm; tw = 10 mm bf = 250 mm; tf = 16 mm Ix = 266x10^6 mm^4 Iy = 45 x 10^6 mm^4 Fy = 248 MPa Wb = 90 kg/m Fy = 248MPa calculate the plastic section modulus about the strong axis.A column section is fabricated by welding a 10 mm x 100 mm cover plate to the top of a W 18 x 65. Assume that the components are connected in such a way that the member is fully effective. Length of column is 4.6 m. Properties of W 18 x 65 A = 13323 mm2 d = 466.09 mm Ix = 445 x 106 mm4 Iy = 23 x 106 mm4rx = 190.25 mm ry = 24.93 mm Fy = 345 MPa bf = 192,79 mm tf = 19.05 mm tw = 11.43 mm Zx = 2179 x 103 mm3 a. Determine the critical slenderness ratio of the built-up column section. b. Determine the strength of the built up section based n flexural buckling. (kN in LRFD).Note: a= 4b= 2
- a0 () o 2 20210612.. > A beam is constructed from three boards nailed together as shown in Fig. . If each nail can support a shear force of 45 Ib. if the largest vertical shear of 100 lb for the beam, determine the maximum spacing s of the nails for each case (a) and (b) il 3 > mil (€ 3in osin ™, 0sin » t | |« osin | osin 6in 6in ¥ 05in 1 0sin case (a) case (b)A flooring system consists of parallel I-beam sections spaced at 3 m on centerswith simple spans of 6 m. The beam supports a 200 mm thick slab. The flooring system isdesigned for a live load of 2400 N/m2 as well as ceiling load of 750 N/m2. The propertiesof the I=beam sections are: d = 352mm, Ix = 0.00012m4, W = 44.85 kg/m, Fy = 248MPa, E =200,000 GPa. Use Wt. of concrete = 24kN/m3 1. Which of the following gives the uniform pressure acting on the slab. 2. Which of the following gives the total uniform load carried by a beam in kN/m. 3. Which of the following gives the maximum flexural stress on the steel beamconsidering non-composite action.4 pls have fbd