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Filtering by: Creator Oregon State University. Forest Research Laboratory Creator Sessions, John

A technique for the solution of the catenary problem in surveying

Creator:

Wilson, Robert L., Dykstra, Dennis P., Sessions, John, and Oregon State University. Forest Research Laboratory

Abstract:

A technique for solving efficiently the catenary problem encountered in surveying with tapes is presented. The theory of the catenary solution is outlined, and our technique is shown to solve correctly the catenary for all conditions. Analysis of error that compared the catenary correction to the more commonly used parabolic...

Resource Type:

Technical Report
Field measurement of cable tensions for skyline logging systems

Creator:

Sessions, John and Oregon State University. Forest Research Laboratory

Abstract:

In recent years, a great deal of research in North America has been directed toward refining methods of assessing the load-carrying capability of skyline systems. Little effort has been directed, however, toward field measurement of cable tensions for skyline logging systems to facilitate initial tensioning of unloaded skylines or to...

Resource Type:

Technical Report
Carriage design affects the payload of skyline logging systems

Creator:

Sessions, John and Oregon State University. Forest Research Laboratory

Resource Type:

Technical Report