Construction Engineering Department Construction Project with Resources Constraints By. M. Chelaka, D. Greenwood & E. Johansen, 1999 4/9/2019.

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Presentation transcript:

Construction Engineering Department Construction Project with Resources Constraints By. M. Chelaka, D. Greenwood & E. Johansen, 1999 4/9/2019

OUTLINE . INTRODUCTION . Schedules based on time-oriented networks . Resource Scheduling . Optimizing resource-constrained scheduling . Solutions based on mathematical optimization . Solutions based on Heuristics . Research objectives . Proposed new resources scheduling algorithm . Conclusion 4/9/2019

Different project’s problems. Projects duration VS project resources . Different project’s problems . Projects duration VS project resources. . Conflict with projects. . Resource constraints in projects. . Mathematical Techniques “LINRES” INTRODUCTION 4/9/2019

Schedules based on time-oriented networks CPM & PERT Assumes unlimited resources Activities Analysis based on Time Requirements Projects resources demands VS limited quantities 4/9/2019

Resource Scheduling Time- constrained scheduling Manipulating the activities time within their TF. Resource-constrained scheduling Resource-constrained priority is fixed resource availability. 4/9/2019

Optimizing resource-constrained scheduling Solutions based on mathematical optimization Short project duration & smoothest resource profile Solutions based on Heuristics Computer packages. 4/9/2019

Research Objectives To develop a new Heuristic, as close as CPM output Test the new Heuristic performance. 4/9/2019

Proposed new resources scheduling algorithm LINRES Developed using Precedence & Grantt chart Aim is optimized resource constraint & best (t) Example 4/9/2019

Conclusion Resource-constraints is persisting problem Software might speedup process of LINRES The LINRES algorithm is satisfactory Further investigation is needed 4/9/2019

Questions ? 4/9/2019

Thank you ! 4/9/2019

Back 4/9/2019

Resource availability Resource requirement Resource utilization Resource idle Project time Project time Project time Project time Back 4/9/2019

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