What is the relationship between theory and practice in relation to the successful delivery of infrastructure projects?

An assessment of project management practices and success factors for the delivery of infrastructure projects in Abu Dhabi
The research aims to assess the failure of infrastructure projects in Abu Dhabi by ascertaining the effectiveness of some of the adopted project management practices and proposing other effective practices adopted globally to be adopted by client organizations to improve the delivery of infrastructure projects in Abu Dhabi.

Objectives:
Establish the relationship between theory and practice in relation to the successful delivery of infrastructure projects.
Identify the success criteria that can be used to ensure the delivery of infrastructure projects in Abu Dhabi.
Ascertain project management practices that be adopted by the client organizations in Abu Dhabi to improve the delivery of infrastructure projects.
Propose project management practices that can be adopted by client organizations to improve the delivery of infrastructure projects in Abu Dhabi.
Research Questions:

What is the relationship between theory and practice in relation to the successful delivery of infrastructure projects?
What are the key project management practices that can be adopted by client organizations in Abu Dhabi to improve the delivery of infrastructure projects?