Question

The steel beam has the configuration, loading pattern and cross-sectional area shown in Figure 8.

Assuming w = 5 kN/m, determine:

a) the reactions at each end of the beam

b) the second moment of area of the section about the relevant axis of bending

c) the maximum shear stress and associated distribution of shear stresses in the beam

d) the maximum bending stress and distribution of bending stresses in the beam

0.8 m 0.8 m 0.8 m 8 cm 0.30 cm 10 cm 0.3 ст 0.30 cm

Answer 1

Pape No. Dete Calutian Gisea w- 5KNM C FW Q W$-yR 4KN KV A -4KN 16 KN-n Corstent 1'6 KN-m Perabalc PN-m Bi m: D Phre Rp- 4-KN Amswe Argwer

Er = 3 Cm Lo Cm MA80.)3 12 12 4 INA 152 344 Cm mad Shear Stess For max we For tha£ Shean need fodiuw Faare diaq Shear For seckia AB

Fe=k 4KN KN at rza For Bm Mx 2 5 n For secHan SF BA - O 5 Fc= 0 KN B 5d0.8 c-4) i6 KALm So 4-Kv pad NA 5c 152 344 4 I 4 11.145 Mpar

distributian. Stes Shear Tmoe 7 Tma Marpe 6 kN-m Frem Beneling eauattar 61053 1521344 T0 55. 663 Mpa 5.5.663 mp Gmeus 55 663 MVy adueo 55 665 mpe (Tongile)