毛竹驗(yàn)收標(biāo)準(zhǔn)

1、毛竹驗(yàn)收標(biāo)準(zhǔn)為規(guī)范毛竹驗(yàn)收作業(yè)，確保檢驗(yàn)標(biāo)準(zhǔn)一致性，特制定本標(biāo)準(zhǔn)。1范圍本標(biāo)準(zhǔn)規(guī)定了毛竹的品質(zhì)術(shù)語(yǔ)、品質(zhì)要求、計(jì)量單位、檢測(cè)方法及各部門權(quán)責(zé)。2定義2.1彎曲2.1.1毛竹中心軸線不在同一直線上的左右偏離現(xiàn)象。2.1.2允許限度2.1.2.1兩面彎曲不允許2.1.2.2最大彎曲拱高不得超過(guò)內(nèi)曲水平長(zhǎng)，深度不得超過(guò)8%。2.2干（枯）裂2.2.1毛竹生長(zhǎng)期間受病蟲危害，采伐前已枯死。2.2.2允許限度檢驗(yàn)長(zhǎng)范圍內(nèi)不許有2.3蟲蛀2.3.1毛竹表面出現(xiàn)黃色或白色粉末，或有密集的小蟲眼。2.3.2允許限度最小直徑超過(guò)5mm的蟲孔3個(gè)。2.3.3測(cè)量方法以卡尺測(cè)量其大小。2.4霉變2.4.1毛竹因保管

2、不善，受霉菌侵蝕，材表出現(xiàn)霉斑或發(fā)霉變質(zhì)，纖維受到破壞、降低韌性。毛竹材正常顏色發(fā)生改變，主梢出現(xiàn)淺褐色或紫黑色病斑，竹節(jié)內(nèi)積水。2.4.2檢驗(yàn)尺寸內(nèi)不允許。2.5縮節(jié)2.5.1毛竹生長(zhǎng)期間，受病菌昆蟲為害或不良環(huán)境的影響，破壞其正常生長(zhǎng)規(guī)律，造成竹節(jié)間距縮短成局部膨大現(xiàn)象。2.5.2允許限度測(cè)量范圍內(nèi)不得超過(guò)2個(gè)節(jié)。2.6破裂2.6.1毛竹受外力作用，纖維之間脫離形成的開裂。2.6.1允許限度2.6.1.1竹材兩端開裂部分不得超過(guò)兩個(gè)節(jié)范圍。2.6.1.2閉合裂兩端不超過(guò)30%，不得少2條。2.7外傷2.7.1竹材在生長(zhǎng)采伐運(yùn)輸過(guò)程中造成竹材外表局部損傷現(xiàn)象。2.7.2允許限度2.7.2.1

3、弧長(zhǎng)寬度不得超過(guò)所在圓周長(zhǎng)的30%。2.7.2.2縱向最大處長(zhǎng)度不得超過(guò)檢尺長(zhǎng)的10%。2.7.2.3風(fēng)傷竹不允許2.8嫩竹2.8.1毛竹生長(zhǎng)期達(dá)4年以上。2.8.2允許限度2.8.2.1嫩竹不允許3.檢量工具3.1檢測(cè)毛竹長(zhǎng)度使用按米制標(biāo)準(zhǔn)刻度的桿尺或卷尺。3.2檢測(cè)圍徑使用正規(guī)生產(chǎn)廠家生產(chǎn)的圍尺或卡尺。4.測(cè)量方法4.1長(zhǎng)度檢測(cè)自伐端砍伐刀口上緣起量至規(guī)定梢徑尺寸止，按0.5m進(jìn)級(jí)。4.2圍徑測(cè)量自伐端砍伐刀口上緣起至1.5m處測(cè)量，如遇竹節(jié)或縮節(jié)應(yīng)向梢端方向移至正常部位量取，采取逢8進(jìn)級(jí)，如9.7寸則按9寸計(jì)數(shù)，9.8寸則按10寸進(jìn)級(jí)。4.3毛竹測(cè)量規(guī)定長(zhǎng)度范圍每少1m扣除圍徑1寸；小于

4、2m則扣除2寸；不足1m按1m扣除。c29c91afe4ced1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91afedd1b6c87d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91af95ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9d1b6c8795ad9c91afe4ced1b6c8795a1afe4ced1b6c8795ad91afe4ced1b

5、6c8795ad9c91fe4ced1b6c8795ad29c91afc91fe4ced1d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6cd1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91af8795ad9c91fe4ced1d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c87d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c879

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10、ed1b6c8795ad91afe4ced1b6cd1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91af8795ad9c91fe4ced1d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c87d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91af5d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c9

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13、afe4ced1b6c8d1b6c8795ad9c91afe4ced195ad9c91afe4ced1b6c8795ad91afe4ced1b6cd1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91af8795ad9c91fe4ced1d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c87d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91af5d1b6c8

14、795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c8795ad29c91afad9c91fe4ced1b6c8795ad29c91afb6c8795ad29c91afb6c8795ad29c91afd1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91d1b6c8795ad9c91afe4ced1b6c8795ad91afe4ced1b6c8795ad9c91fe4ced1b6c879

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