Vol. 22, No. 4, pp. 393-406 (2026)
EXPERIMENTAL INVESTIGATION FOR ANTI-SLIPPING PERFORMANCE OF
STRUCTURAL CARBON STEEL (Q345B) SLIP-RESISTANT CONNECTIONS WITH
PARTICLES EMBEDDED IN CONNECTED PLATES
Jun Zhao 1, Wei-Wei Wu 2, Yang Peng 2 and Jun Dong 2, *
1 School of Civil Engineering and Architecture, Changzhou Institute of Technology, Changzhou 213032, China
2 College of Civil Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
*(Corresponding author: E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.)
Received: 2 January 2026; Revised: 5 January 2026; Accepted: 9 January 2026
DOI:10.18057/IJASC.2026.22.4.4
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ABSTRACT
Friction-type high-strength bolted connections have gradually become popular in steel structure buildings due to their inherent advantages, but their shear resistance capacity still needs to be improved. To better enhance the anti-slip performance of ordinary steel structure connections, this paper proposes an innovative anti-slip connection concept that involves embedding specific particles into the surface of ordinary steel. This method enhances the shear resistance of the connection by increasing the friction coefficient of the contact surfaces, with significant effectiveness. Appropriate particle materials and shapes were selected via theoretical analysis. The concept’s effectiveness and feasibility were verified via two static test stages: particle embedding tests on steel plates and anti-slip tests of bolted connections under pre-tension. The study reveals the influence laws of factors such as particle diameter, arrangement pattern, distance from the hole wall, and the magnitude of bolt pre-tension. Results of the particle embedding tests indicate that for 6mm steel plates, when the particle diameter is less than 3.5mm, the embedding load increases approximately proportionally with the number of particles. The anti-slip test indicates that as the diameter and number of embedded particles increase, the connection slip coefficient improves significantly. Embedding 4 particles with a 3mm diameter results in a connection anti-slip coefficient of 2.8. The new particle-embedded connection outperforms friction-type high-strength bolted connections in maintaining stable anti-slip loads, highlighting its potential for engineering applications.
KEYWORDS
Ordinary steel, Embedded particles, Anti-slip coefficient, Anti-slip performance
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