Answered: Example 5.2 Perform the forward and…

Example 5.2 Perform the forward and backward passes on the precedence network shown in Figure 5.26, on the basis of the following: interruptible activities and contiguous activities.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Example 5.2
Perform the forward and backward passes on the precedence network
shown in Figure 5.26, on the basis of the following: interruptible activities
and contiguous activities.
3
10
PS
D.
28
3.
12
14
B
12
10
20
Figure 5.26 Network for example 5.2
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Step 4 : Solution by Interruptible activities

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Step 6 : Solution by contiguous activities

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a b. d O If activity a must precede b and c O When two activities have the same start and ending nodes, a dummy node and activity is used to preserve the different identity of each activity. O Both activity a and activity b has to be completed first before activity c can begin. But a and b could be worked on at the same time. Performance of a is dependent on the performance of b. O When several activities enter a node, it means that all those activities must be completed first before any activities that will begin at that node can start.
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