Experimental research on the fracture of Laminated bamboo lumber using compact tension specimens based on the net section method and digital image correlation technique

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成果类型：

期刊论文

作者：

Guo, Xing;Li, Haitao;Wu, Yiqiang;Xue, Xin;Corbi, Ottavia;...

通讯作者：

Li, HT

作者机构：

[Li, Haitao; Xue, Xin; Guo, Xing; Chen, Yue] Nanjing Forestry Univ, Coll Civil Engn, Nanjing 210037, Peoples R China.

[Xue, Xin; Guo, Xing; Li, Haitao; Chen, Yue] Nanjing Forestry Univ, Joint Int Res Lab Biocomposite Bldg Mat & Struct, Nanjing 210037, Peoples R China.

[Wu, Yiqiang] Cent South Univ Forestry & Technol, Coll Mat Sci & Engn, Changsha 410004, Peoples R China.

[Corbi, Ottavia] Univ Naples Federico II, Via Claudio 21, I-80133 Naples, Italy.

通讯机构：

[Li, HT ] N

Nanjing Forestry Univ, Coll Civil Engn, Nanjing 210037, Peoples R China.

语种：

英文

关键词：

Laminated bamboo lumber;Net section method;Fracture toughness;Failure modes;Digital image correlation

期刊：

Theoretical and Applied Fracture Mechanics

ISSN：

0167-8442

年：

2024

卷：

131

DOI：

10.1016/j.tafmec.2024.104455

基金类别：

National Natural Science Foundation of China [51878354, 51308301]; Natural Science Foundation of Jiangsu Province [BK20181402, BK20130978]; The 333 talent high-level projects of Jiangsu Province; Qinglan Project of Jiangsu Higher Education

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

This investigation evaluates the significance of thickness (B) and initial crack length -to -width ratio (alpha) on the fracture toughness of Laminated bamboo lumber (LBL) compact tension (CT) specimens under mode I fracture conditions. The digital image correlation (DIC) technique is employed to analyse the result, while the net section method is utilised to determine the critical strain energy release rate (GIc). The fracture mode observed in LBL is characterised as brittle fracture, and the critical stress intensity factor (KIc) of CT specimens achieved a maximum value of 25.58 MPa & sdot;m...

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Experimental research on the fracture of Laminated bamboo lumber using compact tension specimens based on the net section method and digital image correlation technique

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