|
|
|
|
|
|
|
|
|
|
|
広葉樹原木の換算係数について |
|
|
|
|
|
|
|
(生重量→体積) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
水分率は、湿量基準;単位% |
|
|
|
|
|
|
|
換算係数は樹皮10%として計算;m3/トン |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
地域 |
樹種 |
水分率 % |
換算係数 |
備考 |
|
西日本集約 |
|
|
熊本1 |
カシ |
36.9 |
0.83 |
|
|
カシ |
水分率 |
35.4〜39.5 |
|
|
34.6 |
0.81 |
|
|
|
平均 |
37.2 |
|
|
|
34.8 |
0.86 |
|
|
|
換算係数 |
0.79〜0.85 |
|
|
33.8 |
0.85 |
|
|
|
平均 |
0.81 |
|
|
|
38.6 |
0.81 |
|
|
|
|
|
|
|
|
35.4 |
0.83 |
|
|
シイ |
水分率 |
46.2〜55.2 |
|
平均値 |
35.7 |
0.83 |
|
|
|
平均 |
53.6 |
|
熊本2 |
カシ |
35.2 |
0.84 |
|
|
|
換算係数 |
0.87〜1.02 |
|
|
35.5 |
0.83 |
|
|
|
平均 |
0.90 |
|
|
|
34.9 |
0.84 |
|
|
|
|
|
|
|
|
37.6 |
0.86 |
|
|
コナラ |
水分率 |
38.4〜39.6 |
|
|
33.2 |
0.86 |
|
|
|
平均 |
39.6 |
|
|
|
35.8 |
0.84 |
|
|
|
換算係数 |
0.83〜0.92 |
|
平均値 |
35.4 |
0.85 |
|
|
|
平均 |
0.86 |
|
三重 |
カシ |
40.2 |
0.80 |
|
|
|
|
|
|
|
|
39.7 |
0.80 |
|
|
クヌギ |
水分率 |
38.5 |
|
|
|
38.5 |
0.80 |
|
|
|
換算係数 |
0.81 |
|
|
|
39.4 |
0.81 |
|
|
|
|
|
|
|
平均値 |
39.5 |
0.80 |
|
|
|
|
|
|
|
シイ |
45.1 |
0.97 |
|
|
|
|
|
|
|
|
47.3 |
1.06 |
|
|
|
|
|
|
|
平均値 |
46.2 |
1.02 |
|
|
|
|
|
|
|
コナラ |
43.1 |
0.80 |
|
|
|
|
|
|
|
|
41.6 |
0.86 |
|
|
|
|
|
|
|
|
41.7 |
0.86 |
|
|
|
|
|
|
|
|
38.2 |
0.82 |
|
|
|
|
|
|
|
|
40.5 |
0.83 |
|
|
|
|
|
|
|
|
36.6 |
0.81 |
|
|
|
|
|
|
|
平均値 |
40.3 |
0.83 |
|
|
|
|
|
|
愛知 |
コナラ |
43.3 |
0.76 |
|
|
|
|
|
|
|
|
39.0 |
0.86 |
|
|
|
|
|
|
|
|
33.1 |
1.01 |
|
|
|
|
|
|
|
|
38.6 |
0.83 |
|
|
|
|
|
|
|
|
42.3 |
0.78 |
|
|
|
|
|
|
|
|
41.7 |
0.81 |
|
|
|
|
|
|
|
平均値 |
39.7 |
0.84 |
|
|
|
|
|
|
|
ニセアカシア |
41.7 |
0.81 |
|
|
|
|
|
|
島根1 |
コナラ |
40.3 |
0.93 |
|
|
|
|
|
|
|
|
37.6 |
1.01 |
|
|
|
|
|
|
|
|
36.6 |
0.90 |
|
|
|
|
|
|
|
|
38.8 |
0.85 |
|
|
|
|
|
|
|
|
42.6 |
0.86 |
|
|
|
|
|
|
|
|
34.6 |
0.95 |
|
|
|
|
|
|
|
平均値 |
38.4 |
0.92 |
|
|
|
|
|
|
|
カバノキ |
38.5 |
0.99 |
|
|
|
|
|
|
|
|
38.2 |
0.92 |
|
|
|
|
|
|
|
平均値 |
38.4 |
0.96 |
|
|
|
|
|
|
|
サクラ |
38.9 |
1.06 |
|
|
|
|
|
|
島根2 |
クヌギ |
35.9 |
0.79 |
|
|
|
|
|
|
|
|
38.0 |
0.77 |
|
|
|
|
|
|
|
|
39.2 |
0.85 |
|
|
|
|
|
|
|
|
38.2 |
0.83 |
|
|
|
|
|
|
|
|
39.4 |
0.81 |
|
|
|
|
|
|
|
|
40.4 |
0.78 |
|
|
|
|
|
|
|
平均値 |
38.5 |
0.81 |
|
|
|
|
|
|
|
コナラ |
40.2 |
0.85 |
|
|
|
|
|
|
|
|
42.2 |
0.81 |
|
|
|
|
|
|
|
|
37.6 |
0.86 |
|
|
|
|
|
|
|
|
42.0 |
0.82 |
|
|
|
|
|
|
|
|
37.6 |
0.89 |
|
|
|
|
|
|
|
|
41.2 |
0.82 |
|
|
|
|
|
|
|
平均値 |
40.1 |
0.84 |
|
|
|
|
|
|
宮ア1 |
カシ |
37.5 |
0.79 |
|
|
|
|
|
|
|
|
39.5 |
0.83 |
|
|
|
|
|
|
|
|
40.0 |
0.82 |
|
|
|
|
|
|
|
|
37.6 |
0.78 |
|
|
|
|
|
|
|
|
39.1 |
0.81 |
|
|
|
|
|
|
|
|
38.5 |
0.78 |
|
|
|
|
|
|
|
平均値 |
38.7 |
0.80 |
|
|
|
|
|
|
|
シイ |
53.7 |
0.84 |
|
|
|
|
|
|
|
|
50.2 |
0.90 |
|
|
|
|
|
|
|
|
53.7 |
0.85 |
|
|
|
|
|
|
|
|
56.4 |
0.99 |
|
|
|
|
|
|
|
|
54.6 |
0.84 |
|
|
|
|
|
|
|
|
57.7 |
0.98 |
|
|
|
|
|
|
|
平均値 |
54.4 |
0.90 |
|
|
|
|
|
|
宮ア2 |
カシ |
36.6 |
0.78 |
|
|
|
|
|
|
|
|
37.1 |
0.79 |
|
|
|
|
|
|
|
|
35.1 |
0.80 |
|
|
|
|
|
|
|
|
38.1 |
0.83 |
|
|
|
|
|
|
|
|
36.7 |
0.73 |
|
|
|
|
|
|
|
|
36.7 |
0.79 |
|
|
|
|
|
|
|
平均値 |
36.7 |
0.79 |
|
|
|
|
|
|
|
シイ |
51.9 |
0.87 |
|
|
|
|
|
|
|
|
50.4 |
0.84 |
|
|
|
|
|
|
|
|
55.6 |
0.86 |
|
|
|
|
|
|
|
|
56.4 |
0.88 |
|
|
|
|
|
|
|
|
57.3 |
0.91 |
|
|
|
|
|
|
|
|
59.3 |
0.83 |
|
|
|
|
|
|
|
平均値 |
55.2 |
0.87 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
平成24年度広葉樹チップ調査 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|