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板挽き大型量産工場の原木集荷モデル The model for logs collection of the large-scale sawmill producing boards 濱野, 英太郎 ハマノ, エイタロウ HAMANO, Eitaro 1000050347085 遠藤, 日雄 エンドウ, クサオ ENDO, Kusao open access 国産材 外材 製材規模 原木集荷 domestic lumber imported lumber scale of sawmill log collection Domestic sawmills in Japan have been expanding their capacities due to Japan's forestry measures since the bubble years. In circumstances where foreign species are used for most of the posts and beams, we are not certain whether Japanese sawmills for domestic species could take market share from foreign forest products by increasing their scale. Thus, the calculation of a mill's consumption is done by considering the break-even-point, assuming the price of domestic species and that of foreign species to be equal. Another point to consider is the necessary methods to transfer logs in line with the mill capacity. As a result, in the case of sawmills for laminated products, we found that the log consumption of approximately 300,000 cubic meters per year is required base on the lumber price of 2,300 yen per piece and the log price of 10,000 yen per cubic meter. In order to collect the logs, the following is needed: Contract-based trade as the primary means; provide an incentive with respect to the price with suppliers who makes a large shipment, and; reduce the transportation cost by making it round-trip. In addition, setting up satellite yards in every region also seems necessary for realizing the above. However, this is based on the assumption of being able ti respond to new demand for logs. 鹿児島大学 Kagoshima University 2011-03-01 jpn departmental bulletin paper VoR http://hdl.handle.net/10232/12661 https://ir.kagoshima-u.ac.jp/records/10908 13449362 AN10592752 鹿児島大学農学部演習林研究報告 Research bulletin of the Kagoshima University forests 38 27 43 https://ir.kagoshima-u.ac.jp/record/10908/files/AN10592752_v38_p27-43.pdf application/pdf 850.2 kB 2016-10-31 2011-03-01