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Filtering by: Advisor Sessions, Julian Remove constraint Advisor: Sessions, Julian Decade 1980-1989 Remove constraint Decade: 1980-1989 Degree Name Master of Forestry (M.F.) Remove constraint Degree Name: Master of Forestry (M.F.)

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Log truck performance on curves and favorable grades

Creator:

Jackson, Ronald Kelton

Abstract:

This paper describes the results of a study of log truck travel speeds in three locations in Western Oregon on favorable grades and curves. Independent variables of grade, curve radius, width, ditch depth, superelevation, sight distance, time of day, and maximum engine braking horsepower were regressed against speed. Only grade...

Resource Type:

Capstone Project
Identification of variables influencing residual stand damage from skyline thinning of young western hemlock-Sitka spruce stand

Creator:

Hargrave, Michael A.

Abstract:

Western hemlock and Sitka spruce are relatively thin- barked species and susceptible to damage during thinning operations. Damage to the wood allows decay-causing fungi to enter resulting in loss of merchantable volume at the time of final harvest. Cable yarding systems are needed for much of the thinning because most...

Resource Type:

Capstone Project
A mobility model for tracked vehicles

Creator:

Gleason, Karl H.

Abstract:

A semi-empirical mobility model is presented which predicts tracked vehicle performance in timber harvesting applications. The interactions between the log load and the terrain, the log load and the vehicle, and the vehicle and the terrain cause resistances for the vehicle. The mobility model calculates these resistances, comparing them to...

Resource Type:

Capstone Project
LOGCOST a harvest cost model for southwestern Idaho

Creator:

Giles, Robert Steven

Abstract:

LOCCOST is an interactive computer program that predicts stump to mill logging costs, stumpage and net present value of a harvest based on stand data, pond value and logging parameters, entered by the user. The program is intended for use by foresters to evaluate the economics of different stand management...

Resource Type:

Capstone Project
A survey of design, construction, and operation practices for steep roads in the Oregon Coast Range

Creator:

Anderson, Paul Towne

Abstract:

The selection of a road standard is a complex decision involving consideration of design, construction, maintenance, and vehicle operating costs. The first step in any analysis involves a definition of the physically feasible alternatives. In the Oregon Coast Range, a combination of steep topography and sensitive soils influence the type...

Resource Type:

Capstone Project

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Academic Affiliation

Forest Engineering5

Advisor

Sessions, Julian[remove]5

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1985 to 1986

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Committee Member

Olsen, Eldon2
Brodie, Douglas1
Pyles, Marvin1

Creator

Anderson, Paul Towne1
Giles, Robert Steven1
Gleason, Karl H.1
Hargrave, Michael A.1
Jackson, Ronald Kelton1

Date

Date range begin – Date range end

Current results range from 1985 to 1986

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Decade

1980-1989[remove]5

Degree Field

Forest Engineering5

Degree Level

Master's5

Degree Name

Master of Forestry (M.F.)[remove]5

Language

English [eng]5

Peer Reviewed

No5

Resource Type

Capstone Project5

Rights Statement

Copyright Not Evaluated5

Subject

Log transportation1
Log transportation -- Costs -- Mathematical models1
Logging -- Costs -- Mathematical models1
Logging, Skyline -- Environmental aspects1
Sitka spruce1
more Subjects »

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