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- Title
Effect of Joint Characteristics and Geometries on Tunnel-Type Anchorage for Suspension Bridge.
- Authors
Lim, Hyunsung; Seo, Seunghwan; Ko, Junyoung; Chung, Moonkyung
- Abstract
In this study, the pull-out behavior of a tunnel-type anchorage was examined by considering both geometric and rock joint characteristics. Three-dimensional finite element analyses were performed with reference to the tunnel-type anchorage cases designed and constructed in Korea. The factors influencing the anchorage response were analyzed: the enlarged part, anchorage spacing, joint orientation, spacing, and the shear strength of the rock joints. According to the numerical studies, the size of the enlarged part influenced the failure shape of the tunnel-type anchorage. It was found that the anchorage spacing, the relationship between the tunnel-type anchorage, and the joint orientation and spacing greatly influenced the pull-out behavior of the anchorage. Additionally, the friction angle had a larger impact on the anchorage's pull-out resistance than the cohesion between the rock joints.
- Subjects
SOUTH Korea; ANCHORAGE; SUSPENSION bridges; FINITE element method; COHESION; SHEAR strength
- Publication
Applied Sciences (2076-3417), 2021, Vol 11, Issue 24, p11688
- ISSN
2076-3417
- Publication type
Article
- DOI
10.3390/app112411688