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Filtering by: Subject Logging, Skyline -- Costs -- Case studies Advisor Pyles, Marvin R.

Load bearing capacity of alder, spruce and hemlock tail trees

Creator:

Pugh, Edwin V.

Abstract:

This paper presents an evaluation of the cable loading support capacity of red alder, Alnus rubra Bong., Sitka spruce, Picea sitchensis (Bong.) Carr, and western hemlock, Tsuga heterophylla (Raf.) Sarg., tail trees. Capacity is measured in terms of combined stress resulting from compression and bending, rather than the traditional methods...

Resource Type:

Capstone Project
Load-deformation characteristics of multiple stump anchor systems

Creator:

Toupin, Richard C.

Abstract:

This paper documents the development of a model which determines multiple stump anchor system displacement as a response to skyline load for four anchor rigging configurations: 1. Series multiple, 2. Tieback, 3. Elevated tieback, and 4. Equalizer block. It also documents the field testing of four two stump anchors rigged...

Resource Type:

Capstone Project