Research on seismic resilience of prestressed precast segmental bridge piers reinforced with high-strength bars through experimental testing and numerical modelling

Tong, Teng; Zhuo, Weiding; Jiang, Xiaofang; Lei, Haipeng; Liu, Zhao

doi:10.1016/j.engstruct.2019.109335

Cited by 39 publications

(10 citation statements)

References 19 publications

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“…Carrying out research on the seismic performance of such bridge piers is of great significance for accelerating and improving the construction of the transportation system. Tong et al (2019) proposed a new type of prefabricated bridge piers, with non-bonded energy dissipating steel bars with different yield strengths assembled at the top and bottom of the pier. A cyclic load test and the numerical model analysis were carried out to study the seismic capacity of the prefabricated pier.…”

Section: Common Pier In Beam Bridgementioning

confidence: 99%

“…For innovative high-performance materials, UHPC was used in the bottom of pier column of the prefabricated segmented pier due to its high compressive strength, tensile strength, and ductility (Zhang et al 2019d). Moreover, the high-strength energy dissipation steel reinforcing bar was adopted in prefabrication concrete piers to improve its seismic performance (Tong et al 2019;. For the new system of prefabricated pier, Yang et al (2019a) studied the effect of friction coefficient and initial tension on the performance of self-resetting pier; Han et al proposed a self-resetting double-column pier system; Mashal and Palermo (2019) proposed a self-resetting pier system with metal energy dissipation devices installed at the bottom of an assembled pier.…”

Section: Prefabricated Concrete Piermentioning

confidence: 99%

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Review of annual progress of bridge engineering in 2019

Zhao

Yuan

Wei

et al. 2020

ABEN

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Bridge construction is one of the cores of traffic infrastructure construction. To better develop relevant bridge science, this paper introduces the main research progress in China and abroad in 2019 from 13 aspects, including concrete bridges and the high-performance materials, the latest research on steel-concrete composite girders, advances in box girder and cable-supported bridge analysis theories, advance in steel bridges, the theory of bridge evaluation and reinforcement, bridge model tests and new testing techniques, steel bridge fatigue, wind resistance of bridges, vehicle-bridge interactions, progress in seismic design of bridges, bridge hydrodynamics, bridge informatization and intelligent bridge and prefabricated concrete bridge structures.

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Section: Common Pier In Beam Bridgementioning

confidence: 99%

Section: Prefabricated Concrete Piermentioning

confidence: 99%

Review of annual progress of bridge engineering in 2019

Zhao

Yuan

Wei

et al. 2020

ABEN

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“…After QSCTs were conducted by Ou et al (2018), the column exhibited high ductility and high energy dissipation. A precast column with UPTs and high-strength ED bars was tested by Tong et al (2019), and the results revealed good ductile behavior, satisfactory energy dissipation, and SCC. Moreover, semi-rigid shear keys were presented to supply SCC during cyclic loading (Hung et al, 2017; Sung et al, 2017).…”

Section: Existing Experimental Investigations Of Precast Segmental Br...mentioning

confidence: 99%

Review of experimental investigations on seismic performance of precast segmental bridge columns in seismic regions

Zhu

et al. 2023

Advances in Structural Engineering

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Due to the fast construction and low interference, precast segmental bridge columns have gained increasing attention for use in non-seismic regions. However, their applications in seismic areas remain scarce due to their ambiguous dynamic performance. To estimate the seismic performance of PSBCs, existing quasi-static cyclic tests and shaking table tests are gathered and reviewed in this study. According to the structural details and material property at the joints, the PSBCs are categorized as 11 types based on the connection type, namely grouted splice sleeve couplers (GSSCs), grouted corrugated duct connections (GCDCs), wet joint connections (WJCs), mechanical bar splice connections, socket connections (SCs), unbonded post-tensioned tendon connections (UPTCs), partial precast columns (PPCs), hybrid connections (HCs), high-strength steel bars (HSBs), high-performance concrete (HPC), and external dissipators (EXDs). Based on the experimental results, the failure reason of each connection types are discussed and the effective structural details are suggested. And also, the PSBCs are divided into those with ductile and resilient connections according to the damage levels, residual drift ratios, displacement ductility coefficients, equivalent viscous damping ratios and effective stiffness parameters. With the achievements in this research, the application of PSBCs is expected to be promoted in medium-to-high seismic regions.

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“…And the assembling quality could be guaranteed. While there were some shortcomings such as the JOURNAL OF VIBROENGINEERING insufficient energy dissipation capacity and the large residual displacement under strong earthquake [8,9].…”

Section: Introductionmentioning

confidence: 99%

Seismic performance analysis of self-centering segment piers with mortise-tenon shear connectors based on cyclic pseudo-static test

Hao¹,

Ni²,

Xu³

2021

J. vibroeng.

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In the past decades, more and more precast piers have been used in actual engineering, which brings convenience in construction and standardization of production. However, precast piers still have some shortcomings, such as shear slip between segments and poor energy dissipation. Thus, a self-centering mortise-tenon segmental bridge pier was proposed in this paper. To research the seismic performance of the self-centering mortise-tenon segment piers, three scaled model piers with their scale ratio as 1:3 were designed and prefabricated, namely as a cast-in-place model pier (CP) and 2 self-centering mortise-tenon segment model piers (designated as MTSP1 and MTSP2) with the initial pretension of 1302 MPa and 1488 MPa, respectively. The cyclic pseudo-static tests of the three piers were carried out. The comparison analysis was made respecting to the test results including the damage form, hysteretic characteristics, skeleton curve, energy dissipation capacity, residual displacement and equivalent stiffness of the three specimens. It was shown that MTSP specimens had higher horizontal bearing capacity. While the yield load, ultimate load, displacement ductility coefficient and initial stiffness of MTSP1 and MTSP2 were higher than those of CP. The MTSP had better performance considering the above aspects. The mean value of the residual displacement of MTSP2 was lower than that of CP 21.14 % and 29. 72 % respectively, as the drift ratio reaching 5 %. The MTSP specimens had better self-centering capacity due to the increased pretension stress which reducing the residual displacement greatly. The energy dissipation reinforcements improved the energy dissipation capacity of the segmental assembled piers. Based on the ABAQUS model, the numerical simulation was carried out and compared with the experimental data. MTSP had great energy dissipation capacity and self-centering capacity. It was suggested that MTSP should be used to make up for the deficiency of segmental assembled pier and improve the seismic performance of segmental assembled pier.

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Research on seismic resilience of prestressed precast segmental bridge piers reinforced with high-strength bars through experimental testing and numerical modelling

Cited by 39 publications

References 19 publications

Review of annual progress of bridge engineering in 2019

Review of annual progress of bridge engineering in 2019

Review of experimental investigations on seismic performance of precast segmental bridge columns in seismic regions

Seismic performance analysis of self-centering segment piers with mortise-tenon shear connectors based on cyclic pseudo-static test

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