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Rigid link and catenary skyline analysis programs for microcomputers

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https://ir.library.oregonstate.edu/concern/graduate_projects/0g354m04g

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  • Skyline logging is a commonly used method of harvesting logs, particularly on steep slopes. Logging systems planners frequently solve two kinds of skyline analysis problems. The first is the maximum payload problem and the second is the standing skyline load path problem. Computer assisted skyline analysis techniques have been available for over two decades. As microcomputers have become less expensive and more powerful, computer assisted skyline analysis has come within the reach of most logging systems planners. The objective of this paper is to present two skyline analysis programs, one using a rigid link model and the other using a catenary model to solve maximum payload problems for live, running, and standing skyline programs and load path problems for standing skylines. The standing skyline analysis can include either single span or multispan systems. A live skyline lift routine is included. Both programs can model a carriage that is clamped to the skyline or a carriage that is not clamped to the skyline. Both programs are written in Microsoft QuickBASIC Version 4.5.
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