发布网友 发布时间:2023-04-22 13:50
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热心网友 时间:2023-10-19 21:03
一、常用木材材积表(GB4814-84)二、短原木材积表检尺直径(厘米)检尺长度(米)1.01.11.21.31.41.51.61.71.81.9材积(
立方米)80.0060.0060.0070.0080.0080.0090.0100.0110.0110.012100.0090.0100.0110.0120.0130.0140.0150.0160.0170.018120.0130.0140.0150.0170.0180.0200.0210.0220.0240.025140.0170.0190.0200.0220.0240.0260.0280.0300.0320.034160.0220.0240.0260.0290.0310.0340.0360.0480.0410.044180.0270.0300.0330.0360.0390.0420.0450.0390.0510.055200.0340.0370.0410.0440.0480.0520.0550.0590.0630.067220.0410.0450.0490.0530.0580.0620.0670.0710.0760.080240.0480.0530.0580.0630.0680.0740.0790.0840.0890.095260.0560.0620.0680.0740.0800.0860.0920.0980.1040.110280.0650.0720.0790.0850.0920.0990.1060.1130.1200.127300.0740.0820.0900.0980.1060.1130.1210.1290.1370.146320.0850.0930.1020.1110.1200.1290.1380.1470.1560.165340.0950.1050.1150.1250.1350.1450.1550.1650.1750.186360.1070.1180.1290.1400.1510.1620.1730.1850.1960.208380.1190.1310.1430.1550.1680.1800.1930.2050.2180.231400.1310.1450.1580.1720.1860.1990.2130.2270.2410.255本标准适用于所有树种的原木材积计算1、检尺径自4~12厘米的小径原木材积由公式V=0.7854L(D+0.45L+0.2)2÷10000确定。2、检尺径自14厘米以上的原木材积由公式V=0.7854L[D+0.5L+0.005L2+0.000125L(14-L)2×(D-10)]2÷10000确定。两式中:V---材积,立方米;L---检尺长,米;D---检尺径,厘米。三、木材材积表查定方法(1)单根的或不满10根的原木、原条、特等锯材和普通锯材的材积累计数,可直接从本手册中分别查得。