- 19 31000 46 St12x50 Q3 Determine The Critical Buckling Load The Design And The Allowable Unbraced Frame Using 2 Mc18x5 1 (117.97 KiB) Viewed 21 times
19 31000 46 ST12x50 Q3: Determine the critical buckling load, the design and the allowable unbraced frame using 2 MC18x58 through specified equation and AISC Tables, compressive and tensile strength and load of the column (AB) of 18ft in the the proportional limit of the steel is 50ksi and the ultimate stress is 60ksi. Use the k-factor from Question 3. Also, determine the critical stress on the maximum distance that is required to tie and fix the double MC18x58. Elasticity modulus slenderness ratio of column. Suggest the tie plate dimensions, thickness, and is 28,000ksi. The double MC-section is used as in the following manner. (20 Points) *Solve for yield, rupture. MC18x58 MC18x58 18ft 2 (MC18x58) A MC18x58 2 (MC18x58) 18ft MC18x58 B 2 (MC18x58) 15ft 18 ft Buckled shape of column is shown by dashed line (b) (c) MAR TOR coretical K value commended design walue when ideal conditions are pproximated condition code (a) WWW + 0.5 0.65 0.7 0.80 us 9 MC18x58 MC18x58 20ft (e) (d) 1.0 2.0 1.0 1.2 1.0 2.10 Rotation fixed and translation fixed Rotation free and translation fixed Rotation fixed and translation free Rotation free and translation free S 2.0 2.0