Today, the construction industry is facing intense competition and success in this competition depends on several factors. Project managers try to minimize project time and cost, carbon dioxide emission and at the same time maximizing the quality of project and its plan robustness. In this paper, study construction project scheduling considering a discrete trade-off between time, cost, quality,...

selecting an effective project plan is a significant area in the project management. the present paper introduces a technique to identify the project plan efficient frontier for assessing the alternative project plans and selecting the best plan. the efficient frontier includes two criteria: the project cost and the project time. besides, the paper presents a scheme to incorporate directed acyc...

naturally all activities are along with risk and uncertainties. project risk has the concept more than the financial concept. in project management, risks are events that can occur during the project implementation and has negative effects on project completion and meeting goals. identification, analysis, prioritizing and having plan for dealing with these events are playing an important role i...

  Selecting an effective project plan is a significant area in the project management. The present paper introduces a technique to identify the project plan efficient frontier for assessing the alternative project plans and selecting the best plan. The efficient frontier includes two criteria: the project cost and the project time. Besides, the paper presents a scheme to incorporate Directed Ac...

This study presents a framework for calculating the risk of various projects, especially projects under uncertain circumstances. First, the related literature is reviewed and then the relationship between risk and projects is examined. Using a case study an approach is provided to determine the project risk in uncertain circumstances where sufficient data is not available for decision-making. I...

in isfahan tubal ligation project was initiated in july 1970. a total of 310 women, referring to the university of isfahan health center and or admitted to the arnin maternity hospital, were interviewed for tubal ligation procedure. thirty six patients rejected tubal ligation and 274 women accepted. of the latter group 114 patients did not refer later on. a total of 160 tubal ligations were per...

the process of planning and initiating health services development has been described as conceived and experienced by the working group of the health services development research project in iran. the technical steps (conceiving and describing the health services system, development of plans, preparatory step and implementation) as well as political support needed are defined and described. the...

earned value management is a critical project managementmethodology that evaluates project performance from cost andschedule viewpoints. the novel theoretical framework presented in thispaper estimates future performance of project regarding the past relativeinformation. it benefits from fuzzy regression (fr) models in estimationprocess in order to deal with the vagueness and impreciseness ofre...

a vast number of organizational projects as well as complexity of decision making process can cause particular challenges for project management and its leadership. in order to use organization assets and opportunities efficiently, it is necessary that manager implement a comprehensive multidimensional project portfolio management system that considers economic, social and technical details of ...