Study on practical calculation method of post-earthquake traffic capacity of high-speed railway bridge DOI
Wangbao Zhou,

Yu Hou,

Lizhong Jiang

et al.

Soil Dynamics and Earthquake Engineering, Journal Year: 2024, Volume and Issue: 187, P. 108983 - 108983

Published: Sept. 23, 2024

Language: Английский

Experimental and numerical study on seismic behavior of double‐inclined reinforced concrete beam‐column joints DOI Open Access
Xinyu Shen, Chao Zhang, Kun Liu

et al.

Structural Concrete, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 19, 2025

Abstract The adoption of diamond‐shaped pylons leads to double‐inclined beam‐column joints (BCJs), whose seismic behavior and shear strengths have not been studied. In this work, one regular three BCJs were tested investigate the effects column inclination axial load level on BCJs. Besides, parametric analysis based a finite element model was also conducted further reveal key parameters joint Results indicated that led initial stress core, accelerating cracking damage development. Compared BCJ, inclined BCJ showed reduced loading capacity, strength, ductility, viscous damping. Furthermore, evidently affected by load. A higher could change failure mode from mixed flexure, leading improved energy dissipation, strength. Meanwhile, effectively adopting concrete while benefits increasing stirrup ratio relatively limited.

Language: Английский

Citations

0

Seismic fragility, loss, and resiliency of old railway masonry arch bridges under near-field ground motion DOI
Farshad Homaei, Mahdi Yazdani

Sustainable and Resilient Infrastructure, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 28

Published: Jan. 26, 2025

Language: Английский

Citations

0

Assessing seismic induced traffic capacity loss of bridges considering both post-earthquake traffic control measures and vehicle passing speed DOI
Tianyi Li, Dongyu Zhang, Xiaoyu Zhang

et al.

Soil Dynamics and Earthquake Engineering, Journal Year: 2025, Volume and Issue: 192, P. 109304 - 109304

Published: Feb. 18, 2025

Language: Английский

Citations

0

Disaster resilience analysis framework for lifeline networks: Integrating reliability, redundancy, and recoverability DOI Creative Commons
Taeyong Kim, Sang‐ri Yi, Tae Young Kim

et al.

International Journal of Disaster Risk Reduction, Journal Year: 2025, Volume and Issue: unknown, P. 105436 - 105436

Published: March 1, 2025

Language: Английский

Citations

0

Prioritizing Bridges for Seismic Resilience Enhancement: A Case Study of Algeria DOI Creative Commons

Mohammed Abdellaoui,

Mohamed Badaoui, Mahmoud Bensaibi

et al.

The Journal of Engineering and Exact Sciences, Journal Year: 2024, Volume and Issue: 10(4), P. 18507 - 18507

Published: May 24, 2024

Algeria is located in an active seismic zone, making its bridges vulnerable to damage, especially older ones. Due the importance of terms safety, social, and economic factors, competent authorities must prepare for disasters, particularly earthquakes, by enhancing bridge resilience. However, due large number lack funding, it not feasible improve all at once. This article proposes a model determine priorities resilience earthquakes based on expert opinions three main steps. Step 1: Identification key criteria, where design phase, health, importance, availability alternative roads, disaster insurance are defined as criteria. 2: Calculation criteria weights using analytic hierarchy process (AHP) integration Euclidean distance-based aggregation method (EDBAM). 3: priority index after evaluating categories. The was applied six bridges, their ranking established index. has proven accuracy ability assist decision-makers identifying bridges.

Language: Английский

Citations

0

State-of-the-art review of bridges and bridge networks resilience using science mapping approach DOI
Vishal H Lad,

Kashyap A. Patel

Proceedings of the Institution of Civil Engineers - Bridge Engineering, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 19

Published: Aug. 19, 2024

In recent years, many attempts have been made to incorporate resilience frameworks into decision making, establish the best use of available resources and reduce impact hazards on bridges bridge networks. However, scholarly research in this area is still its early phases, with minimal exploration gaps future prospects. A state-of-the-art review network studies using a science mapping approach presented here. Research topic was obtained from Scopus literature database. The database then analysed VOSviewer Nvivo tools display domain-specific body knowledge. study focused most prolific researchers disaster types, assessment approaches, current trends, directions theoretical practical implications. paradigm networks changing toward usage digital technologies. context, framework id proposed by integrating building information modelling/geographic systems twin models. can aid owners accumulating iterative data, creating multi-hazard preparedness policies designing enhancing life-cycle management maintenance tasks

Language: Английский

Citations

0

Effect of fatigue damage originating from strong ground motions on the failure modes of railway simply-supported girder bridge with short piers DOI

Peiyao Fu,

Xiaozhen Li, Lueqin Xu

et al.

Engineering Failure Analysis, Journal Year: 2024, Volume and Issue: 160, P. 108181 - 108181

Published: Feb. 29, 2024

Language: Английский

Citations

0

Numerical Investigation of the Seismic-Induced Rocking Behavior of Unbonded Post-Tensioned Bridge Piers DOI Creative Commons

Zehua Bao,

Wenjing Xu, Haoyuan Gao

et al.

Buildings, Journal Year: 2024, Volume and Issue: 14(6), P. 1833 - 1833

Published: June 17, 2024

It is essential and convenient to use accurate validated numerical models simulate the seismic performance of post-tensioned (PT) rocking bridge piers, with a particular emphasis on accurately capturing behavior. The primary contribution this study comparison effectiveness four commonly used base (namely, lumped plasticity (LP) model multi-contact spring (MCS) linear elastic (MCS-LE), bilinear elastic–plastic (MCS-EP) nonlinear plastic (MCS-NP) material behavior, respectively) in modeling both cyclic responses PT piers. Also, validates 3D contact stiffness equation for assesses differences between dynamic static values springs. Both quasi-static shaking table tests typical piers are adopted calibrate/validate these models. These describing piers’ formulated calibrated, showing good agreement test results specimens. Additionally, suggested analyses identified by parametric analysis. All can predict pier’s behavior after calibration values. recommended analysis smaller than that findings provide valuable reference solution simulation

Language: Английский

Citations

0

Study on practical calculation method of post-earthquake traffic capacity of high-speed railway bridge DOI
Wangbao Zhou,

Yu Hou,

Lizhong Jiang

et al.

Soil Dynamics and Earthquake Engineering, Journal Year: 2024, Volume and Issue: 187, P. 108983 - 108983

Published: Sept. 23, 2024

Language: Английский

Citations

0