枫香密度 干缩性

本数据记录了枫香中密度 干缩性的序号、记录本序号、试样序号、弦向炉干前尺寸、径向炉干前尺寸、顺纹方向炉干前尺寸、弦向炉干后尺寸、径向炉干后尺寸、顺纹方向炉干后尺寸、弦向干缩性、弦向干缩系数、径向干缩性、径向干缩系数、含水率、炉干前试样重、炉干前体积、炉干后体积、体积干缩性、体积干缩系数、试验时密度、含水率15%时密度等记录。木材物理力学的各项测定指标，直接反映此种木材的强度等特性，为木材利用和木结构的规范等提供科学数据。本数据库包括物理力学数据和其试验方法（请参看附件1中华人民共和国国家标准GB1927～1943-91《木材物理力学性质试验方法》，附件2木材物理力学各个项目的定义）。

This dataset records the following items related to the density and shrinkage properties of Liquidambar formosana: record serial number, sample serial number, dimensions before oven-drying in tangential direction, dimensions before oven-drying in radial direction, dimensions before oven-drying along grain direction, dimensions after oven-drying in tangential direction, dimensions after oven-drying in radial direction, dimensions after oven-drying along grain direction, tangential shrinkage, tangential shrinkage coefficient, radial shrinkage, radial shrinkage coefficient, moisture content, sample weight before oven-drying, pre-oven-dry volume, post-oven-dry volume, volumetric shrinkage, volumetric shrinkage coefficient, in-test density, and density at 15% moisture content. All measured physical and mechanical properties of wood directly reflect the strength and other characteristic attributes of this wood species, providing scientific data for wood utilization and the development of timber structure codes. This database includes physical and mechanical property data and their corresponding test methods. Please refer to Appendix 1: National Standard of the People's Republic of China GB 1927–1943-91 "Test Methods for Physical and Mechanical Properties of Wood", and Appendix 2: Definitions of each item of wood physical and mechanical properties.

搜集汇总

背景与挑战

背景概述

该数据集记录了枫香木材的密度和干缩性相关物理力学性质，包括弦向、径向、顺纹方向的炉干前后尺寸、干缩性系数、含水率等20个字段的95条数据。数据通过实验室检测测量获得，质量高、错误率低，属于'木材物理力学性质数据集'的一部分，旨在为木材利用和规范提供科学依据。