A Prying Action Force and Contact Force Estimation Model for a T-Stub Connection with High-Strength Bolts

摘要

A T-stub connection with high-strength bolts under tensile force is affected by prying action force and the contact force, among others, between members. If a design equation that does not consider such prying action force and contact force between members is not proposed, the T-stub under tensile force is liable to be fractured under a strength lower than the estimated design strength. To prevent this, many studies have proposed contact force estimation equations between members as well as the prying action force of the T-stub connection with high-strength bolts. However, no design equations based on such research have been proposed in South Korea. Therefore, this study aims to propose an estimation model for more accurate prying action force and contact force, and to improve on previously proposed estimation models by implementing three-dimensional, nonlinear finite element analysis.