Question: Determine value of K1 for some cases listed in Appendix 4B for the following values: (a) Centre-cracked plate under uniform tension; 2a = 60 mm,

Determine value of K1 for some cases listed in Appendix 4B for the following values: (a) Centre-cracked plate under uniform tension; 2a = 60 mm, 2W = 140 mm, <1= 150 MPa. (b) Single-edge-notch three point bend (SENB) plate; a = 20 mm, S = 150 mm, W = 50 mm, B = 25 mm, P = 20 kN. (c) Single-edge-cracked plate under uniform tension; a= 30, W = 70 mm, cr = 140 MPa. (d) Strip with edge crack under bending;a = 25 mm, W = 60 mm, B = 20 mm,M = 2000 Nm.

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