Study of the Tensile and Bonding Properties between Cement-Based Grout Materials and High-Strength Bolts

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成果类型：

期刊论文

作者：

Liu, Peng;Zhi, Weiting;Mao, Jianfeng;Liu, Lei;Chen, Ying;...

通讯作者：

Mao, JF

作者机构：

[Zhi, Weiting; Liu, Peng; Mao, JF; Mao, Jianfeng; Liu, Lei; Yu, Zhiwu] Cent South Univ, Sch Civil Engn, 22 Shaoshan Rd, Changsha 410075, Peoples R China.

[Chen, Ying; Liu, Peng; Mao, JF; Mao, Jianfeng; Yu, Zhiwu] Natl Engn Res Ctr High Speed Railway Construction, Changsha 410075, Peoples R China.

[Liu, Peng] China Railway Grp Ltd, 69 Fuxing Rd, Beijing 100039, Peoples R China.

[Liu, Lei] YiLi Normal Univ, Sch Phys & Technol, 448 Jiefang West Rd, Yining 835000, Peoples R China.

[Chen, Ying] Cent South Univ Forestry & Technol, Sch Civil Engn, 498 Shaoshan Rd, Changsha 410004, Peoples R China.

通讯机构：

[Mao, JF ] C

Cent South Univ, Sch Civil Engn, 22 Shaoshan Rd, Changsha 410075, Peoples R China.

Natl Engn Res Ctr High Speed Railway Construction, Changsha 410075, Peoples R China.

语种：

英文

关键词：

bond strength;cement-based grouting material;constitutive relationship;high-strength bolt;tensile and bonding properties

期刊：

Applied Sciences-Basel

ISSN：

2076-3417

年：

2023

卷：

期：

DOI：

10.3390/app13148269

基金类别：

This research was funded by the National Natural Science Foundation of China (grant numbers 52178182, 52108262 and U1934217) and the Science and Technology Research and Development Program Project of China railway group limited (Major Special Project, No.: 2020-Special-02, 2021-Special-08, 2022-Special-09; Major Project, No.: 2021-Special-02; Key Project, No.: 2021-Key-11, No.: 2022-Key-46). The authors have also received research grants from the National Science Foundation for Distinguished Young Scholars of Hunan Province (2022JJ10075), the Natural Science Foundation of Hunan Province of China (2020JJ5982) and the Hunan Innovative Province Construction Special Project (2020GK4058).

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本校为其他机构

院系归属：

土木工程学院

摘要：

This study investigated the tensile and bonding properties between cement-based grouting materials (CBGM) and high-strength bolts. The associated failure mechanism, load-slip curve, ultimate pull-out load and bond stress were also studied. The effects of anchorage length and square steel tube restraint on the bonding properties were explored on the basis of 24 specimens used in central pull-out testing, and a bond stress–slip constitutive relationship model between high-strength bolts and CBGM was proposed. The results indicate that with the i...

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Study of the Tensile and Bonding Properties between Cement-Based Grout Materials and High-Strength Bolts

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