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Banach Spaces non-isomorphic to their cartesian squares II by Z.Semadeni

By Z.Semadeni


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Table 4 provides sample guidelines on rating individual factors on a discrete scale. For example, the High Somewhat difficult to accommodate Some increased noise possible Some issues possible for construction Some preference Some issues related to safety features Somewhat higher materials/energy use Easy to accommodate No significant issues No significant issues Easy to accommodate No difference in noise generated No significant issues for construction Significant preference Better safety features No significant difference Common experience for each Common experience for each Some experience Some experience Somewhat difficult to accommodate National but no local experience Easy to accommodate New and unproven technology Initial Cost factor is assigned a preference rating of “high” when the initial cost value of an alternative is within a 5 percent difference of the lowest values of all candidates or “low” if the initial cost difference of the alternative exceeds 10 percent of the lowest value.

As an example, problem soils that change volume with time require a pavement structure able to conform to seasonal variations in longitudinal and transverse profile. An approach sometimes used is to provide for staged construction to accommodate large expected deformations over time. Experimental features. In some instances, it is necessary to determine the performance of new materials or design concepts by field testing under actual construction, environmental, or traffic conditions. The incorporation of such experimental features may dictate the strategy selected.

The sum of weighted scores of factors within each group is the unweighted score of that group. The example in Table 6 calculates the weighted score for individual factors within the Economic Factors group and the unweighted score for that group. The weighted group scores are then calculated by multiplying their unweighted score by their corresponding group weights (see Table 7). The sum of weighted group scores is the total score for that alternative; it should not exceed 100 percent. Step 5: Interpret Results Based on the final scores of alternatives, the “best possible” pavement-type alternatives are selected.

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