| Project/Area Number |
04660172
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| Research Category |
Grant-in-Aid for Scientific Research (C).
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| Allocation Type | Single-year Grants |
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| Research Field |
機械材料工学
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| Research Institution | KOCHI UNIVERSITY |
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Principal Investigator |
YAMAMOTO Makoto KOCHI UNIV., FAC.OF AGRIC., PROF., 農学部, 教授 (70036721)
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| Co-Investigator(Kenkyū-buntansha) |
IKEMOTO Ayawo KOCHI UNIV., FAC.OF AGRIC., PROF., 農学部, 教授 (00093948)
GOTO Junichi KOCHI UNIV., FAC.OF AGRIC., ASS.PROF., 農学部, 助教授 (90127928)
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| Project Period (FY) |
1992 – 1993
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| Project Status |
Completed (Fiscal Year 1993)
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| Budget Amount *help |
¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1993: ¥800,000 (Direct Cost: ¥800,000)
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| Keywords | Optimum Forest Operation / Operation System / Full Mechanization / Transformataion Process / Selection Forest Operation / Trafficability / 地表障害物 |
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| Research Abstract |
WE STUDIED THE INFLUENCE OF THE WEEDING METHODS IN THE TRANSFORMATION PROCESS FROM EVEN-AGED UNIFORM FOREST TO SELECTION FOREST, ESPECIALLY MECHNIZATION AND LABORSAVING IN SILVICULTRURE WORKS AND HARVESTING WORKS.
OPTIMIZATION OF ALTERNATIVE WORK SYSTEM INVESTIGATION / HARVEST SYSTEM PLANNING FOR OPENIN UP OF MONTAIN FORESTS USING THE INTEGRATED TERRAIN IFORMATION PROCESSING SYSTEM.WE THEORETICALLY ANALYZED THE CONDTIONS NESESSARY FOR THE INTRODUCTION OF PROCESSORS BY COMPARING FULL-TREE LOGGING WITH TREE-LENGTH LOGGIIGN.WE ASSUMED THAT TREE-LENGTH LOGGING CONSISTED OF FELLING AND DELLIMBING BY CHAIN SAW, TRACTOR SKIDDING, AND DELIMBING AND BUCKING BY PROCESSOR.THE RESULTS WERE AS FOLLOWS : 1)THE PRODUCTIVITY OF CHAIN-SAW DELIMBING VARIES OVER A WIDE RANGE ACCORIDING TO TREE SPECIES, CHAIN-SAW HORSEPOWER, AND THE QUANTITY OF BRANCHES.2)THE BREAK-EVEN POINT IS DETERMINED BY THE SIZE OF TREES AND SKIDDING DISTANCE.3)WHEN THE DBH OF TREES INFLUENCES TREE-LENGHT LOGGING SYSTEM AND MORE USEFUL WITH INCREASING SKIDDING TRACTOR TYPE.THE LOGGING VEHICLES ARE COMPARED UNDER MOUNTAIN TERRAINS.
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