Example Problems - websites.umich.edu
CEE 536 CRITICAL PATH METHODS Example Problems Photios G. Ioannou, PhD, PE Professor of Civil and Environmental Engineering Chachrist Srisuwanrat, Former Graduate Student Instructor University of Michigan Ann Arbor, Michigan 48109-2125 TABLE OF CONTENTS 1. NETWORK CONSTRUCTION---------------------------- ---------------------------------------- 3 ACTIVITY ON ACTIVITY ON 2. ACTIVITY-ON-ARROW SCHEDULING------------------------------ -------------------------13 EVENT MISSING FLOATS ........................................ ........................................ .............13 3. ACTIVITY-ON-NODE SCHEDULING------------------------------ ----------------------------32 4.
ZERO FREE FLOAT If there is only one link goes into a node, its FF = 0”. FF of activity C = 0 If there are many links go into the same node, at least one of them must have FF = 0. FF of activity X = 0 MS2. SAME INTERFERE FLOAT All the links that go into the same node have the same INTF. According to MS1, FF of X = 0. Thus, INTF of X = 5.
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