Date of Award
2013
Publisher
North Dakota State University
Document Type
Thesis
Degree Awarded
Master of Science (MS)
Program
Construction Management
Department
Construction Management and Engineering
College
Engineering
Faculty Advisor
Asa, Eric
Description
In this research, a linear shrinkage factor model, which is the result of spatial and statistical modeling, was developed for the state of North Dakota. The input variables for the developed shrinkage factor models were derived from spatially modeled soil data which makes the function responsive to soil variability across the state. The current approach for selecting the shrinkage correction factor in earthwork contracts across the state of North Dakota is through a trial-and-error system. This deterministic system employs the judgment of experienced engineers in selecting a shrinkage factor value for earthwork contracts. The current approach assumes shrinkage factor uniformity and does not provide a measure of the estimate's reliability. Due to the heterogeneous nature of soil properties across the state, the trial-and-error approach for selecting the shrinkage factor greatly impacts earthwork volumes, which could lead to contract variations and increase the cost of contract administration.
Recommended Citation
Shamo, Benedict, "Spatial Statistical and Multivariate Regression Approach to Earthwork Shrinkage-Factor Calculation" (2013). Construction Management and Engineering. 25.
https://digitalcommons.ndsu.edu/const-management-eng/25
Rights
NDSU Policy 190.6.2
Rights Link
https://www.ndsu.edu/fileadmin/policy/190.pdf
Handle Identifier
https://hdl.handle.net/10365/26924