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Conceptual Cost Estimation of Highway Bid Items Using Geostatistical Interpolation
(North Dakota State University, 2021)
Challenges associated with ensuring the accuracy and reliability of cost estimation of highway bid items, especially during the conceptual phase of a project, are of significant interest to state highway agencies. Even ...
A Comparative Life Cycle Assessment Study of Wood and Steel Materials at Project End-of-Life Stage
(North Dakota State University, 2021)
The disposal of construction and demolition waste will have an impact on the environment. However, the currently limited research on the end-of-life stage waste is too general lacking separation and comparison of different ...
Conceptual Cost Estimation Models for Bridge Projects
(North Dakota State University, 2021)
Conceptual cost estimating is typically completed early in the project lifecycle when little design work has been completed. Because little information is known at this early stage, the estimate usually deviates substantially ...
Development of a High-Efficiency, Cost-Effective Ground Source Heat Pump System for Single-Family Houses
(North Dakota State University, 2021)
Multi-Source Heat Pump systems are intended to achieve a high system efficiency through the combined or alternate use of two or more sources for a heat pump. This thesis entails the research work to develop a hybrid Ground ...