Tiêu đề Steel Design 1-Post Test Solutions.pdf ✅

KIPPAP EDUCATION REFRESHER: STEEL DESIGN 1 POST-TEST SITUATION 1 SOLUTION: 1. To get maximum bending about x, we apply the load V at the midspan! w ≔ ⎛⎝SWgirder + SWcrane⎞⎠ ⋅9.81 ―――――――→ = m s 2 explicit ALL , ⋅ ⎛ ⎜ ⎝ 85 ――+ kg m 40 ―kg m ― ⎞ ⎟ ⎠ 9.81 ―m ―s 2 1226.25 ―N m w Mx ≔――+ ―――――→ = w L⋅ 2 8 ――― ((V L⋅ )) 4 explicit ALL , ―――――――+ ――――⋅ 1.2262⋅ kN m ((6 m)) 2 8 ―25―kN―⋅6 ―m 4 43.02 kN m⋅ M cx ≔―= d 2 208.5 mm fbx ≔――― ⎛⎝M ⋅ x cx ⎞⎠ Ix fbx ―――――→ explicit ALL , ―43018000 ―――N mm ―⋅⋅ ―⋅208.5 ――⋅―mm― 314 10 ⋅ 6 mm4 M fbx = 28.56 MPa 2. To get maximum bending about y, we apply the load H at the midspan! My ≔―H L 4 ⋅― My ―――――→ explicit ALL , ―8 kN―4 ⋅6―m― My =12 kN m⋅ JLGC