LAPSE:2023.35294
Published Article
LAPSE:2023.35294
Law of Mechanical Properties of Full-Length Bonded Prestressed Bolts Influenced by Design Parameters
April 28, 2023
Design parameters such as initial bonding section, prestress, and bonding stiffness have a significant impact on the mechanical properties of the full-length bonded prestressed bolt. In order to understand the influence of the above three parameters on the axial force and shear stress of anchor bolts under the condition of rock separation, theoretical and numerical models were established, and the sensitivity of different parameters was analyzed based on the grey correlation method. Results indicate that the bonding stiffness had the greatest impact on the mechanical properties of the bolt and largely determined the peak axial force, peak interfacial shear stress, and number of sliding elements. Moreover, prestress had a significant impact on the peak axial force and the distribution of shear stress in the initial bonding section, while the length of the initial bonding section had a significant impact on the number of sliding elements and the peak axial force after sliding. The grey correlation method results show that the correlation degrees of the initial bonding section, prestress, and bonding stiffness were 0.8932, 0.9023, and 0.9775, respectively.
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Keywords
bed separation, bond stiffness, full-length bonded, full-length bonded prestressed bolts, grey relational analysis
Subject
Suggested Citation
Shang F, Wang X, Zhu Z, Zhang P, Du M, Yu K, Yuan C, Guan X. Law of Mechanical Properties of Full-Length Bonded Prestressed Bolts Influenced by Design Parameters. (2023). LAPSE:2023.35294
Author Affiliations
Shang F: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Wang X: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Zhu Z: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Zhang P: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Du M: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Yu K: The Fourth Construction Co., Ltd. of China Construction Eighth Engineering Division, Qingdao 266100, China
Yuan C: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China [ORCID]
Guan X: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China [ORCID]
Wang X: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Zhu Z: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Zhang P: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Du M: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China
Yu K: The Fourth Construction Co., Ltd. of China Construction Eighth Engineering Division, Qingdao 266100, China
Yuan C: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China [ORCID]
Guan X: School of Civil Engineering, Qingdao University of Techknowedge, Qingdao 266520, China [ORCID]
Journal Name
Processes
Volume
11
Issue
4
First Page
1221
Year
2023
Publication Date
2023-04-15
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr11041221, Publication Type: Journal Article
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Published Article
LAPSE:2023.35294
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doi:10.3390/pr11041221
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[v1] (Original Submission)
Apr 28, 2023
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Apr 28, 2023
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