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A Sensitivity Analysis of Flexible Pavement System FPS2
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1971-08-01
[PDF-2.51 MB]
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Abstract:Flexible Pavement System FPS2 is a design concept formulated into a computer program which analyzes flexible pavements utilizing an overall systems approach to the problem. The program uses 45 different types of inputs in the broad categories of design constraints, design variables, and cost variables. The design alternatives are analyzed by using economic concepts. This report describes a sensitivity analysis performed to establish the relative importance and cost sensitivities of the different variables on the system, study changes in the structural designs generated due to changes in the variable values, and completely debug the program to find anomalies and the problem areas. An experiment was designed to obtain the required information. Three basic solutions were obtained at three basic levels of the variables; low, average, and high. The sensitivity of each variable was studied at each of these three basic levels by changing the value of the particular variable to the other two levels. A total of over 400 problems were solved for this analysis.
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