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- W2085607946 abstract "ABSTRACT AN earthwork-optimization technique, applicable to land grading for border irrigation, is presented. The method is developed for use with the digital computer using iterative application of least-squares principles to obtain an optimum field surface, based on minimizing the required volume of cut. The iterative approach allows the shrinkage factor to be incorpo-rated directly into the optimization procedure, along with provisions for level spreading or ponding reaches, and for earthwork-quantity requirements related to dikes, ditches, and adjacent geographic features. The developed computer program relaxes the com-mon restriction of a grid system for topographic data collection by using computer-calculated areas and the trapezoidal rule to compute final cut volumes. Also, provision is made for direct computation of field grades at points along the boundaries of borders with no cross slope. The net result of the iterative technique is an improved degree of optimization with respect to earthwork quantities, while minimizing the costs of data collection and design." @default.
- W2085607946 created "2016-06-24" @default.
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- W2085607946 date "1978-01-01" @default.
- W2085607946 modified "2023-09-25" @default.
- W2085607946 title "Land Forming for Border Irrigation" @default.
- W2085607946 doi "https://doi.org/10.13031/2013.35412" @default.
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