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289 records – page 1 of 29.

Achieving maximum performance from computer optimized log bucking

https://library.fpinnovations.ca/en/permalink/fpipub865
Author
Wang, S.J.
Giles, D.R.
Date
January 1988
Edition
37211
Material Type
Research report
Field
Wood Manufacturing & Digitalization
t that c h a r a c t e r i s t i c s of sample logs, p h y s i c a l configuration of the COB
Author
Wang, S.J.
Giles, D.R.
Date
January 1988
Edition
37211
Material Type
Research report
Physical Description
30 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Digitalization
Subject
Simulation
Saw mills
Efficiency
Recovery
Logs
Automatic control
Series Number
W-533
Location
Vancouver, British Columbia
Language
English
Abstract
Logging - Bucking
Sawmilling - Computer simulation
Sawmilling - Efficiency
Recovery
Sawmilling - Automation
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Amélioration du rendement en valeur des opérations de récolte de feuillus tolérants

https://library.fpinnovations.ca/en/permalink/fpipub3286
Author
Hamilton, Peter
Date
September 2012
Edition
39949
Material Type
Research report
Field
Fibre Supply
Author
Hamilton, Peter
Date
September 2012
Edition
39949
Material Type
Research report
Physical Description
8 p.
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Veneer
Value added
Sorting
Recovery
Logs
Hardwoods
Hardwood iniative
Iniative feuillis
Advantage
Series Number
Avantage ; Vol. 13, No. 5
Language
French
Abstract
Les forêts de feuillus tolérants fournissent une vaste gamme de produits, notamment des billes dont la valeur varie de 45 à 1700 $/m3. L'utilisaton de modèles de production convenant aux produits de commodité ne maximise pas la valeur qu'on peut tirer de ce type de forêt.
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Analyse de la productivité et du coût du transport forestier. Deuxième partie: étude de l'influence des conditions d'utilisation sur les pertes énergétiques du système propulsif et établissement des forces de résistance dues au brassage de l'huile

https://library.fpinnovations.ca/en/permalink/fpipub43110
Author
Ljubic, D.A.
Date
1984
Material Type
Research report
Field
Fibre Supply
Author
Ljubic, D.A.
Date
1984
Material Type
Research report
Physical Description
79 p
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Road transportation
Logs
Language
French
Abstract
Road transportation
Roundwood
Logging trucks
Fuel consumption
Lubricating oils
SYNTHETIC OILS
TRACTION
COSTS
PRODUCTIVITY
VISCOSITY
Vehicle dynamics
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Analysis of a skyline partial cutting operation in the interior cedar-hemlock biogeoclimatic zone

https://library.fpinnovations.ca/en/permalink/fpipub524
Author
Pavel, Mihai
Date
March 1999
Edition
36764
Material Type
Research report
Field
Fibre Supply
and also to load tmcks from decks of processed logs. This often required the loader to ttavel long
Author
Pavel, Mihai
Date
March 1999
Edition
36764
Material Type
Research report
Physical Description
21 p
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Systems
Yarders
Skylead
Radio frequency
Productivity
Partial cutting
Logs
Harvesting
Costs
Cable logging
British Columbia
FPI TR
Series Number
Technical Report ; TR-000125
Language
English
Abstract
In 1997, FERIC studied a partial cutting operation in the Interior Cedar-Hemlock biogeoclimate zone, on a site west of Kitwanga, B.C. The operation used a Skylead C40 16000 skidder-mounted yarder and Mini-Maki II radio-controlled carriage in a standing skyline configuration and in single-and multi-span applications. The study provided information on productivity and costs for the harvesting system, impact on soil surface conditions, and damage to the residual stand. Productivity functions were derived to predict yarding productivity and costs over a range of operation conditions.
Cable logging
Skyline
Harvesting
Partial cutting systems
Western hemlock
Western red cedar
Productivity
Costs
Interior British Columbia
Skylead C40 16000 yarder
Mini-Maki II radio controlled carriage
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Analysis of line tensions and backspar stresses in a skyline system: a pilot study

https://library.fpinnovations.ca/en/permalink/fpipub440
Author
Lyons, C.K.
Date
1997
Edition
36677
Material Type
Research report
Field
Fibre Supply
Author
Lyons, C.K.
Date
1997
Edition
36677
Material Type
Research report
Physical Description
8 p.
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Thinning
Stresses
Yarders
Logs
Cable logging
British Columbia
Series Number
Technical Note ; TN-000258
Language
English
Abstract
This report summarizes a pilot study that investigated how loads that are applied to skyline systems in second-growth thinning operations affect the line tensions and stress distribution in the backspar. The maximum tension in the skyline occurred when the turn was fully suspended under the carriage. In the backspar that was examined, compression was the critical stress. By recognizing how the critical loads produce stresses on backspars, procedures can be developed that will limit these stresses.
Cable logging
Skyline
BACKSPARS
Guylines
INTERMEDIATE SUPPORT
Stress distribution
Commercial thinning
Coastal British Columbia
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Aspen logging debris management techniques

https://library.fpinnovations.ca/en/permalink/fpipub525
Author
Bulley, Brian
Date
1999
Edition
36765
Material Type
Research report
Field
Fibre Supply
Author
Bulley, Brian
Date
1999
Edition
36765
Material Type
Research report
Physical Description
12 p.
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Treatment
Slash treatment
Slash
Roads
Residues
Processing
Logs
Aspen
Alberta
Series Number
Technical Note ; TN-000283
Language
English
Abstract
In 1997, FERIC, Alberta Research Council (ARC), Ainsworth Lumber Inc., and Daishowa-Marubeni International Ltd. conducted a study to determine the productivities and costs of various methods of managing logging debris in aspen cutblocks. Conventional roadside processing, two in-block processing treatments (intermediate skid and at-the-stump processing), and roadside processing with subsequent dispersal of slash into the block were assessed.
Logging residues
Residue management
Roadside processing
Slash treatment
Aspen
Alberta
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Banding western red cedar trees to reduce log breakage

https://library.fpinnovations.ca/en/permalink/fpipub3272
Author
Kockx, G.P.
Date
October 1994
Edition
39934
Material Type
Research report
Field
Fibre Supply
Author
Kockx, G.P.
Date
October 1994
Edition
39934
Material Type
Research report
Physical Description
8 p.
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Logging
Trees
Logs
Series Number
FO Technical Note Wood Harvesting ; TN 217
Language
English
Abstract
HARVESTING
Group selection harvesting
Clearcutting
Patch cutting
CABLE LOGGING
SKIDDING
PRODUCTIVITY
COSTS
Site disturbance
Harvest planning
BRITISH COLUMBIA
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B.C. log hauling configurations: maximum weights and dimensions guide, September 2006

https://library.fpinnovations.ca/en/permalink/fpipub4019
Author
Jokai, Rob
Date
December 2006
Edition
40748
Material Type
Research report
Field
Fibre Supply
Author
Jokai, Rob
Date
December 2006
Edition
40748
Material Type
Research report
Physical Description
8 p.
Sector
Forest Operations
Field
Fibre Supply
Research Area
Forestry
Subject
Trucks
Transport
Tractor trailer
Road transportation
Roads
Regulations
Logs
British Columbia
Advantage
Series Number
Advantage ; Vol. 7, No. 17
Language
English
Abstract
The Forest Engineering Research Institute of Canada (FERIC) periodically publishes a guide that summarizes the maximum weights and dimensions for on-highway vehicle configurations hauling logs and operating under the British Columbia Commercial Transport Act Regulations. This latest guide supersedes all previous FERIC guides on this topic.
Logging trucks
Tractor trailer combinations
Truck configurations
Sizes and weights
Road transportation
Laws and regulations
British Columbia
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Bending strength and stiffness of log stringers for bridges on forest roads: tests of second-growth Douglas-fir and western hemlock logs

https://library.fpinnovations.ca/en/permalink/fpipub5843
Author
Bennett, Douglas M.
Modesto, R.
Ewart, Jim
Jokai, Rob
Parker, Seamus
Clark, Marv
Date
January 2005
Edition
40689
Material Type
Research report
Field
Fibre Supply
Author
Bennett, Douglas M.
Modesto, R.
Ewart, Jim
Jokai, Rob
Parker, Seamus
Clark, Marv
Date
January 2005
Edition
40689
Material Type
Research report
Physical Description
19 p
Sector
Forest Operations
Field
Fibre Supply
Research Area
Transportation & Infrastructure
Subject
Test methods
Mechanical properties
Second growth
Ruptures
Procedures
Logs
Sample
Growth
Design
British Columbia
Bending
Advantage
Series Number
Advantage ; Vol. 5, No. 42
Language
English
Abstract
In order to provide bridge designers with better information, International Forest Products Limited (Interfor) asked the Forest Engineering Resarach Institute of Canada (FERIC) to evaluate the bending strength and stiffness of log stringers used for constructing bridges on forest roads in coastal British Columbia. Given the lack of definitive standards for testing this material, FERIC developed a field-based test procedure and designed a test facility for destructive testing of full-size, whole-log stringers obtained from second-growth stands. Sixteen coastal Douglas-fir and twelve western hemlock logs were tested in 2003. This report describes the test procedure and methods of analysis, presents the log bending strength and stiffness results, and makes recommendations regarding future testing.
Bridge design
Log stringers
Bending strength
Modulus of rupture
Modulus of elasticity
Test procedure
Second-growth logs
Douglas fir
Western hemlock
Coastal British Columbia
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Biological control of stain in logs : 2001 field tests

https://library.fpinnovations.ca/en/permalink/fpipub4479
Author
Uzunovic, Adnan
Date
March 2002
Edition
41263
Material Type
Research report
Field
Sustainable Construction
Project No.: 2444 Biological Control of Stain In Logs: 2001 Field Tests Adnan Uzunovic
Author
Uzunovic, Adnan
Date
March 2002
Edition
41263
Material Type
Research report
Physical Description
8 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Advanced Wood Materials
Subject
Storage
Stain fungal
Stain
Logs
Series Number
W-1865
Location
Vancouver, British Columbia
Language
English
Abstract
In summer 2001 we ran one field experiment to test the feasibility of Sylvanex (formerly Cartapip 97) as a biocontrol agent to protect logs from being stained by wild-type bluestain fungi. Freshly felled lodgepole pine logs were spray-treated with Sylvanex, dispersed in water, or with water alone (referred to as non-treated). Sampling of the piles of logs took place after 6 weeks and again after 13 weeks. The bluestained area on discs taken from the logs was measured in the laboratory. The data clearly indicate that Sylvanex can control bluestain in freshly felled lodgepole pine logs if applied immediately after felling to the total log exterior. After six weeks of summer storage, when logs are most vulnerable, Sylvanex-treated logs remained almost spotless compared to heavily stained non-treated logs. After 13 weeks of storage there was moderate stain development in Sylvanex-treated logs but the amount was significantly less than in non-treated logs. The product, and the concept of using albino isolates to control stain, therefore has potential for industrial use. Before Sylvanex is used industrially on a large scale it is recommended that additional studies should investigate whether adjuvants, such as spreaders and stickers, or using higher concentrations of biocontrol agent improve its performance and consistency. In addition the efficacy of the product should be tested on other wood species.
Stains - Fungal - Control - Tests
Logs - Storage
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289 records – page 1 of 29.