不同海拔高度对毛竹主要物理力学性质的影响3 - ICBR
不同海拔高度对毛竹主要物理力学性质的影响3 - ICBR
不同海拔高度对毛竹主要物理力学性质的影响3 - ICBR
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342<br />
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[ 4 ] <br />
,1971,<br />
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[ 2, 529 ] <br />
<br />
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, ,<br />
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1<br />
111<br />
( Phy llostachys pubescens Mazel ex H. de<br />
Lehaie),<br />
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,<br />
[ 10 ] ,4 hm 2 ,<br />
200 m,20pH 615<br />
,1 m , <br />
018,6,11 m,<br />
1<br />
4 t <br />
5 t (01001<br />
g) <br />
112<br />
<br />
, [ 11 ] <br />
<br />
Item<br />
/m<br />
A ltitude<br />
1<br />
Table 1The growth situations of bamboo<br />
/%<br />
Reen MC<br />
/cm<br />
DBH<br />
/m<br />
Height<br />
/m<br />
Height of branch<br />
(HF) Foot of hill 200 9612 71824 1315 516<br />
(HT) Top of hill 300 8213 81092 1414 518<br />
2<br />
<br />
211<br />
,<br />
1,,,<br />
[ 12214 ] <br />
115 215 315 415515 m<br />
,<br />
,017% 116%<br />
114% 413%218% ;<br />
214% 118% 216% 611%415%<br />
01699 gcm - 3 ,<br />
01715 gcm - 3 ,<br />
213% ,<br />
[ 15 ] 01798 g<br />
cm - 3 ,01827 gcm - 3 ,<br />
<br />
316%T2,: t stat = - 51405, t<br />
0105 = 11981,0105 ;<br />
: t stat = - 31704, t 0105 = 11981,0105<br />
A1Basic density at HF; a1<br />
Basic density at HT; B1A ir2dry density at<br />
HF; b1A ir2dry density at HT<br />
1<br />
Figure 1Effects of different altitudes on bamboo density<br />
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