Question

if the beam is needed to be redesign as cantilevered at A.Proposed a suitable paramater

A simply supported beam carries multiple point load is shown in Figure 2. Due to a certain requirement, maximum deflection should not be more than 1/360 of the span length. If the allowable bending stress, ơallow 168 MPa and allowable shear stress, allo.-110 MPa. Rasuk yang disokong mudah membawa beban seragam. 30 kN/m diturjukkan dalam Gambarajah 3. Disebabkan sebuah keperluan terientu, pesongan maksimum harus tidak melebihi dibenarkan, ơallo.-180MPa dan tegasan ricih yang dibenarkan, t11M-120 MPa /360 panjang rentang. Jika tegasan lentur yang o (a) Choose the lightestwide flange beam from Appendix. Given E-225 GPa, ρ = 7850 kg/m3.pilih berat rasuk bebibir lebar yang teringan di Diberikan data E -225 GPa, p 7850 kg/m'] data (12 Marks / Markah) (b) If the beam is needed to be redesigned as cantilever at A, propose suitable parameters that can be changed in order to meet the same requirement as Question 2(a) and justify your answer. Given data: E-225 GPa, p 7850 kg/m3. (Jika rasuk diperlukan untuk direka bentuk semula sebagai julur rasuk di A, cadangkan parameter yang sesuai boleh diubah supaya boleh memenuhi keperluan yang sama seperti Soalan B2(a). Justifikasikan jawapan anda. Data yang diberi: E -225 GPa, p - 7850 kg/ms] (8 Marks/ Markah 60 KN 60 kN 60 kN 1.0 m Figure 2 [Gambarajah 21 (ENT246) mm-77 Wide-Flange Sections or W Shapes 3 3 014 19. 2 67 sso so 412 201 20 5 53 5 5 0 40 27 38 36 24 23. o SI Units 42 07 5 3 11 012 Flange 1 7 78-06 31 25 y-y axis 萼-Lib 0 86 43 Area Depth thickness width thickness 5 71 75 3110 31 25 120 104 87 1 ...-こ012 54 20 22 17 12. 13. 0.1 84 us o 42 37 m-20 3 4 8 7 5 28 5 5 5 1 1 9 5 7 200 17 14 1.0 0.2 .0 1.6 3 0.3 3.5 ic | mm-0000 102 101 101-201-102 101 210-200 ooooooooo 0.2 0.2 .1 1985655 7、887 5 6 5 5 50 62 57 52 aAr 500 $30灱180關啝000 200 360 400 700 700 000 100 80綱70 750 750緗 29 74 67-33 24 21 14 80 67 sw 45 28 22 18 100 71 S9 46 36 22 37。22 24 18 14 250 250 250 250 250 250 250 300 200 200 300 200 200 50 50 50 50 50 50

Answer 1

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