赤松硬度

本数据记录了赤松中硬度的序号、记录本序号、试样序号、含水率、试验时端面硬度、含水率15%时端面硬度、试验时弦面硬度、含水率15%时弦面硬度、试验时径面硬度、含水率15%时径面硬度等记录。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 serial number of hardness tests for medium-hardness Pinus densiflora, serial number of test records, specimen serial number, moisture content, end hardness measured during the test, end hardness at 15% moisture content, tangential hardness measured during the test, tangential hardness at 15% moisture content, radial hardness measured during the test, radial hardness at 15% moisture content, and other relevant records.

Various measured indicators of wood physical and mechanical properties directly reflect the strength and other characteristics of this wood species, providing scientific data for wood utilization and wood structure code formulation.

This database includes physical and mechanical property data and their corresponding test methods (please refer to Attachment 1: National Standard of the People's Republic of China GB1927~1943-91 "Test Methods for Physical and Mechanical Properties of Wood", and Attachment 2: Definitions of various items related to wood physical and mechanical properties).

搜集汇总

背景与挑战

背景概述

该数据集记录了赤松木材的硬度测量数据，包括不同含水率条件下的端面、弦面和径面硬度等指标，用于评估木材强度特性。数据来源于国家林业和草原科学数据中心，发布于2019年，格式为表格，数据量较小但质量可靠，错误率低，属于协议公开的线上共享资源。