3) Determine the force in each member of the loaded truss. All triangles are 3-4-5. 24 kN 17 AN DOWN " 4 panels at m D

SITUATION. A plate-and-angle girder is fabricated by bolting the short legs of four 125 x 75 x 13 mm angles to a web plate 1000 mm x 10 mm to form a section 1020 mm deep. Cover plates each 300 mm x 10 mm are then bolted to the flange angles making the overall height of 1040 mm. 300 10 20.7 729² +13 N.A. 1040 1020 Properties of 125 x 75 x 13 mm angle: Ix = 3.82 x 106 mm* A = 2430 mm² Iy = 1.04 x 105 mm* y = 39.6 mm Bolt Ultimate Shear Stress, Tuv = 100 MPa Bolt Ultimate Bearing Stress, Tub = 200 MPa 1. Determine the moment of inertia of the section about NA. 2. Determine the pitch for the 22 mm-dia bolts, connecting the angles to the web plate at a section where the ultimate shear load, Vu = 450 kN. 3. Determine the pitch for the 22 mm-dia bolts, connecting the angles and the cover plates at a section where the ultimate shear load, Vu = 450 kN. x = 20.7 mm

beam x from c-d

Determine static indeterminacy of truss 00

SITUATION. A plate-and-angle girder is fabricated by bolting the short legs of four 125 x 75 x 13 mm angles to a web plate 1000 mm x 10 mm to form a section 1020 mm deep. Cover plates each 300 mm x 10 mm are then bolted to the flange angles making the overall height of 1040 mm. 300 10 qu 7 20.7 13 N.A. 1040 1020 Properties of 125 x 75 x 13 mm angle: Ix = 3.82 x 106 mm¹ A = 2430 mm² ly 1.04 x 106 mm4 y = 39.6 mm x = 20.7 mm Bolt Ultimate Shear Stress, Tuv = 100 MPa Bolt Ultimate Bearing Stress, Tub = 200 MPa 1. Determine the moment of inertia of the section about NA. 2. Determine the pitch for the 22 mm-dia bolts, connecting the angles to the web plate at a section where the ultimate shear load, Vu = 450 kN. 3. Determine the pitch for the 22 mm-dia bolts, connecting the angles and the cover plates at a section where the ultimate shear load, Vu = 450 kN.

Ure the Method of Uirtuat work to determine the uertical OL JoInts B and D of the Jteel truss. dupcacement 15KN HSEN .F um E = 200 GPa A 5480mm %3D

Solve for truss using the method of joints.diagonals: 5short lines: 4

Draw the NFD, SFD, BMD for the following beams: VI 2 kN/m' k1.5k1.5k1.5 1.5

Which of the following is the shear diagram of Beam 3?

The Warren truss supporting the walkway is designed to support vertical 50-kN loads at B, D, F, and H. If the truss is subjected to these loads, what are the resulting axial forces in members BC, CD, and CE? Assume the truss to be simply supported. Use method of sections.