[1]李效文,唐荣强,王金旺,等.温州40年生降香木材物理力学性质研究[J].浙江林业科技,2021,41(06):59-63.[doi:10.3969/j.issn.1001-3776.2021.06.009]
 LI Xiao-wen,TANG Rong-qiang,WANG Jin-wang,et al.Physical and Mechanical Properties of 40-years Dalbergia odorifera Wood in Wenzhou[J].Journal of Zhejiang Forestry Science and Technology,2021,41(06):59-63.[doi:10.3969/j.issn.1001-3776.2021.06.009]
点击复制

温州40年生降香木材物理力学性质研究()
分享到:

《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
41
期数:
2021年06期
页码:
59-63
栏目:
出版日期:
2021-12-10

文章信息/Info

Title:
Physical and Mechanical Properties of 40-years Dalbergia odorifera Wood in Wenzhou
文章编号:
1001-3776(2021)06-0059-05
作者:
李效文1唐荣强2王金旺1陈秋夏1方崇荣2
(1. 浙江省亚热带作物研究所,浙江温州 325005;2. 浙江省林业科学研究院,浙江杭州 310023)
Author(s):
LI Xiao-wen1TANG Rong-qiang2WANG Jin-wang1CHEN Qiu-xia1FANG Chong-rong2
(1. Zhejiang Institute of Subtropical Crops, Wenzhou 325005, China; 2. Zhejiang Academy of Forestry, Hangzhou 310023, China)
关键词:
降香心材率物理性质力学性质气干密度心材边材
Keywords:
Dalbergia odorifera heartwood percentage physical properties mechanical properties air-dry density heartwood sapwood
分类号:
S718.47
DOI:
10.3969/j.issn.1001-3776.2021.06.009
文献标志码:
A
摘要:
为验证降香Dalbergia odorifera在温州种植的发展前景,本文采伐了浙江省温州市瓯海区40年生降香1株,测定分析其不同部位木材的心材率变化和木材的物理力学性质。结果表明,树干基部的心材率最大,为45.36%,树高6.5 m以下的平均心材率为16.19%;主干心材的平均气干密度为0.792 g·cm-3,接近《红木》GB/T 18107—2017规定香枝木类心材气干密度要求,且大于主干边材的平均气干密度(0.736 g·cm-3);主干材的平均抗弯强度、顺纹抗压强度、全部横纹抗压强度(径向)和全部横纹抗压强度(弦向)分别为101.6 MPa、60.2 MPa、13.9 MPa和12.7 MPa,皆与木材密度正相关;主干的抗弯弹性模量为10 620 MPa,受密度影响不明显。对比发现温州40年生降香的材性不亚于广西南宁50年生降香木材,推测气候胁迫更有利于心材的累积。温州引种降香成功,对推动其在温州当地更大范围内种植和可持续发展具有重要的指导意义。
Abstract:
In May 2016. 40-year Dalbergia odorifera tree with height of 9.65m in Wenzhou was felled and was placed indoor for 3 years. Determinations were carried out then on its heartwood percentage and wood physical and mechanical properties. The result showed that the biggest heartwood percentage was 45.36% at base, 16.19% of mean rate below 6.5 meters of the trunk. The average air-dry density of heartwood is 0.792 g/cm3, higher than that of sapwood. The average bending strength (MOR), compressive strength parallel to the grain, compression strength perpendicular to the grain (radial loading) and compression strength perpendicular to the grain (tangential loading) were respectively 101.6 MPa, 60.2 MPa, 13.9 MPa and 12.7 MPa, and all of the them had positive relation to wood density. The modulus of elastic (MOE) was 10 620 MPa, with no obvious effect with wood density.

参考文献/References:

[1] 崔之益,徐大平,杨曾奖,等.土壤含水量对降香黄檀树干呼吸速率、生长和氮含量的影响[J]. 华南农业大学学报,2018,39(2): 54-61.
[2] 何拓,罗建举. 20种红木类木材颜色和光泽度研究[J]. 林业工程学报,2016,1(2):44-48.
[3] 李效文,刘星,雷海清,等. 不同产地降香苗耐寒性差异研究[J]. 浙江林业科技,2018,38(3):63-66.
[4] 陈水莲,梁远楠,周莹,等. 降香黄檀心材与树龄关系研究[J]. 南方农业,2016,10(4):3-45
[5] 贾瑞丰. 降香黄檀人工促进心材形成的研究[D]. 广州:中国林业科学研究院,2014:23.
[6] TAYLOR A M,GARTNER B L,MORRELL J J. Heartwood formation and natural durability-a review[J]. Wood Fiber Sci,2002,34(4): 587-611.
[7] ZIEGLER H. Biological aspects of the heartwood formation[J]. Holz als Roh Werkstoff,1968,26(14):61-68.
[8] 崔之益. 人工促进降香黄檀心材形成及相关信号物质研究[D]. 广州:中国林业科学研究院,2018:131.
[9] 黎素平. 降香黄檀树皮率、心材率及木材密度研究[J]. 广西林业科学,2012,41(2):86-90.
[10] 李松海,刘晓玲,林森,等. 50年生降香黄檀的生材性质研究[J]. 林业科技通讯,2015,11:68-71.
[11] 廖鋆章,梁月群,唐庆,等. 50年生人工降香黄檀林木材物理力学性质研究[J]. 陕西林业科技,2019,47(6):17-19.
[12] 江泽慧,彭镇华. 世界主要树种木材科学特性[M]. 北京:科学出版社,2001:9-10.

相似文献/References:

[1]李效文,刘星,雷海清,等.不同产地降香苗耐寒性差异研究[J].浙江林业科技,2018,38(03):63.[doi:10.3969/j.issn.1001-3776.2018.03.011]
 LI Xiao-wen,LIU Xing,LEI Hai-qing,et al.Experiment on Cold Endurance of Dalbergia odorifera Seedlings from Different Places[J].Journal of Zhejiang Forestry Science and Technology,2018,38(06):63.[doi:10.3969/j.issn.1001-3776.2018.03.011]

备注/Memo

备注/Memo:
收稿日期:2021-07-02;修回日期:2021-10-16
基金项目:浙江省农业新品种选育重大专项(2021C02070-9);浙江省农业科学院瓯海科创中心开放性基金资助项目
作者简介:李效文,博士,副研究员,从事降香耐寒选育与造林研究;E-mail:lixiaowen1979@126.com。通信作者:方崇荣,正高级工程师,从事木材科学研究、林产品质检和标准化等工作;E-mail:2663028394@qq.com。
更新日期/Last Update: 2021-12-01