1.Solve Problem 13.15 as a slip-critical connection. 2. Design the connection in Problem 13.16 as a slip-critical connection. Bolts are pre-tensioned to 40 k. 3. Determine the design strength of the connection shown in Figure P13.12. The steel is A572, and the electrodes are E 70. 4. In Problem 13.20, the applied loads are a dead load of 50 k and a live load of 150 k. For the longitudinal welding shown in Figure P13.12, determine the thickness of the plates. The weld size is based on plate thickness.
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