Civil Engineering

The A-36 steel pipe has a 6061-T6 aluminum core. It issubjected to a tensile force of 200 kN. Determine the averagenormal stress in the aluminum and the steel due to thisloading. The pipe has an outer diameter of 80 mm and aninner diameter of 70mm.

The A-36 steel pipe has a 6061-T6 aluminum core. It issubjected to a tensile force of 200 kN. Determine the averagenormal stress in the aluminum and the steel due to thisloading.   The pipe has an outer diameter of 80 mm and aninner diameter of 70mm. EXPERT ANSWER

Homework 1: Answer all of the following points by using PERT technique? 1- Draw the network diagram and define the critical path 2- Find all of TF and FF of the all activities 3- Find the probability of completing the project in 25 days. 4- What is the expected time for 99% probability of project completion Activity A B С D E F Predecessor Optimistic Time, Pessimistic Time, Most Likely Time, a (days) b (days) m (days) 1 3 2 4 6 5 4 6 5 A 2 4 3 A 1 3 2 с 2 4 3 с 7 15 9 B, E, F 6 5 B, E, F 6 14 10 B, E, F 1 3 2 J, G 2 4 3 D, H 6 14 10 I H I J K L

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