Seismic responses and damage control of long-span continuous rigid-frame bridges considering the longitudinal pounding effect under strong ground motions

J Li, L Xu - Journal of Bridge Engineering, 2023 - ascelibrary.org
Continuous rigid-frame bridge (CRFB), a type of bridge adopting the unique form of pier-
girder consolidation, combines a T-shaped rigid frame with a continuous girder. CRFBs …

Experimental investigation of postearthquake vertical load-carrying capacity of scoured reinforced concrete pile group bridge foundations

L Zhou, M Barbato, A Ye - Journal of Bridge Engineering, 2021 - ascelibrary.org
Scouring of pile group foundations is a common phenomenon for cross-river bridges and
can produce significant damage in earthquake-prone regions. This study experimentally …

Seismic assessment of deep water bridges in reservoir considering hydrodynamic effects using endurance time analysis

Y Pang, L Cai, W He, L Wu - Ocean Engineering, 2020 - Elsevier
Hydrodynamic effects have a significant impact on the seismic performance of deep water
bridges in reservoir. Currently, three-dimensional numerical fluid-structure interaction …

Seismic performance improvement of continuous rigid-frame bridges with hybrid control system under near-fault ground motions

J Li, L Xu - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
To improve the seismic performance of continuous rigid-frame bridges (CRFBs) in near-fault
earthquakes, this study developed a hybrid seismic control system (HSCS) combining a …

Numerical investigation into hydrodynamic effects on the seismic response of complex hollow bridge pier submerged in reservoir: case study

J Zhang, K Wei, Y Pang, M Zhang… - Journal of Bridge …, 2019 - ascelibrary.org
Hydrodynamic effects are concerns in the seismic analysis of bridges with complex hollow
piers submerged in a reservoir. In this study, potential-based fluid elements were employed …

Experimental and numerical assessment into frequency domain dynamic response of deep water rigid-frame bridge

K Wei, J Zhang, S Qin - Journal of Earthquake Engineering, 2022 - Taylor & Francis
The dynamic responses of the deepwater rigid-frame bridge are assessed by underwater
shaking table tests and numerical simulations. The frequency domain dynamic responses …

Effect of V-shape canyon topography on seismic response of deep-water rigid-frame bridge based on simulated ground motions

J Zhang, K Wei, L Gao, S Qin - Structures, 2021 - Elsevier
Deep-water bridges located in a V-shape canyon may suffer from spatially varying ground
motions due to the canyon topography. This paper focused on the effect of canyon …

Seismic uplift effect at end spans of long-span rigid-frame bridges subjected to near-fault and far-fault ground motions

L Tong, D Wang, Z Sun, L Chen, F Shi - Journal of Bridge …, 2023 - ascelibrary.org
Miaoziping Bridge, a long-span rigid-frame bridge, uplift appeared at the end spans in the
2008 Wenchuan earthquake. Bearings and pad stones were damaged during the …

Experimental study on the seismic performance of round-ended hollow piers

C Shao, Q Qi, M Wang, Z Xiao, W Wei, C Hu… - Engineering Structures, 2019 - Elsevier
To investigate the seismic performance of railway bridge piers with round-ended hollow
section, five 1/6-scale specimens were tested under low-cyclic loading. The two variable …

[HTML][HTML] Seismic cracking mechanism and control for pre-stressed concrete box girders of continuous rigid-frame bridges: Miaoziping bridge in Wenchuan earthquake …

L Tong, R Wang, D Wang - Advances in Bridge Engineering, 2021 - Springer
The box girder of the Miaoziping Bridge, a three-span prestressed concrete continuous rigid-
frame bridge, suffered a serious crack in its box section's web near the 1/6 to 1/2 length of …