An exhaustive research and analysis on seismic performance of prefabricated concrete shear wall structure

Chen, Shuzhen; Poongodi, M.

doi:10.21595/jve.2020.21628

Cited by 10 publications

(5 citation statements)

References 37 publications

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“…As a result, the aluminum alloy has been used in the footbridge superstructures [1][2][3] . However, existing footbridge pier designs for lightweight superstructures have not kept pace with these changes, and most of the designs still revolve around assembly optimization of traditional columnar piers [4][5][6][7] . Although the assembly structure is inferior to the cast-in-place system in terms of seismic performance [8][9][10] , the addition of aluminum alloy bridge deck makes the overall weight of the footbridge reduced significantly, reducing the load on the supporting structure, providing good preconditions for the assembly design.…”

Section: Introductionmentioning

confidence: 99%

The evaluation of the seismic performance of the novel modularized footbridge pier

Li,

Wang,

Xia

et al. 2024

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVIII

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With the rapid growth of urban population, many footbridges have been used for improving the efficiency of transport.However, the construction process of the traditional footbridge is complex, especially for the urban concentrated area, which may involve massive demolition and renovation of the underground pipeline. Usually, it will involve the high cost and long construction period. Herein, the piers and foundations are essential for the construction of the footbridge.Moreover, the conventional pier requires extensive on-site implementations (e.g. casting-on-site, traffic restriction, demolition of underground infrastructure, etc.) Therefore, this study proposes to a novel modularized design of the pier for the aluminum alloy footbridge to avoid the demolition of the underground facility. For rapid installation of each member, each member was designed as the modular: RC shear walls as main bearing element, steel diagonal bracing and capping beams. With the connection of whole grouted sleeves and built-in bolt, all the members can be easily assembled.And also, all the components can be manufactured in the factory and delivered to the construction field conveniently because of the proposed modular design. Though checking computing of each member of modularized design was conducted analytically, the mechanical and seismic performance were evaluated and analyzed by the scaled experiment.The pseudo-static test was carried out. The seismic performance indicators such as the hysteresis curve, skeleton curve, energy dissipation curve and stiffness degradation curve were obtained; additionally, the damage mode was observed. The experimental results show that the novel modularized design of the pier for the aluminum alloy footbridge has good seismic performance. The proposed design can provide the promising option for the construction of footbridge especially in the urban concentrated area.

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Section: Introductionmentioning

confidence: 99%

The evaluation of the seismic performance of the novel modularized footbridge pier

Li,

Wang,

Xia

et al. 2024

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XVIII

View full text Add to dashboard Cite

show abstract

“…These walls can have high strength and stiffness in plane, to support vertical and lateral loads such as wind and earthquakes, without the need of using other structural elements (e.g. columns, beams or masonry division walls) (Chen and Poongodi, 2020). The walls are easier to transport, compared to three-dimensional modules, and can be simple panels, made only with reinforced concrete, or more complete with cladding, insulation, doors and windows, hydraulic and electrical installations (Boafo et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

A review on precast structural concrete walls and connections

Martins

Carmo

Costa

et al. 2023

Advances in Structural Engineering

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Extreme events, with natural or manmade causes, such as floods, pandemics and wars, have recently brought the need to provide shelter and field hospitals in a very fast and affordable way. Prefabrication can play an relevant role in this context, by offering several advantages compared to on-site construction. The precast structural wall system is a paradigmatic example of how precast structural members can contribute to speed up construction and reduce costs. A new research project was defined to develop with the aim of delivering a new product, a precast structural concrete wall system, where the design of the wall itself and connections are key, keeping in mind not only the above requirements, but also the new demands created by the recent challenges of the construction sector. To reach this goal, first is necessary to survey the existing commercial solutions and developed by researchers and analyse the main scientific and technical documents about precast structural wall systems. Herein, a comprehensive review is presented, aiming at identifying the most relevant aspects regarding precast structural concrete walls and connections. The main advances made in the past and that are being developed in the present are also highlighted. The growing concerns of the prefabrication sector about durability and sustainability were identified as mandatory for new generation of products. To produce prefabricated solutions with less environmental impact is required, beyond the optimization related with cement consumption, connections that are easier to use, to maintain and that allow disassembly, for future deconstruction and reuse. So, innovative improvements are proposed, namely, dry connections and concrete composite walls to be addressed in future work, with the goal of correcting some of the drawbacks found in existing solutions.

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“…Typically for general engineering structures, the seismic action used in the design corresponds to an earthquake that occurs only once in 100 to 500 years [7][8]. The 50-year exceedance probability of medium and strong earthquakes specified in the building design codes is 10% and 2% to 3%, respectively [9][10][11]. Therefore, based on the contingent nature of seismic action, a seismic design must be based on larger structural damage to resist future seismic action with a small probability of occurrence, except for structures with special requirements [12][13].…”

Section: Introductionmentioning

confidence: 99%

Seismic performance assessment of typical vertical light industrial building structures based on IDA method

Dai,

Sun

2023

Applied Mathematics and Nonlinear Sciences

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The seismic response of a typical vertical light industrial building structure is complex, and once damage occurs, it will cause great disasters and losses, so it is very important to evaluate the seismic performance of vertical light industrial building structures. This paper firstly analyzes the IDA principle and determines the ground shaking strength index and structural damage index based on the IDA curve. Secondly, the structural vulnerability curve and the model are derived based on typical vertical light industrial structures, and the structural characteristics of typical vertical light industrial buildings are analyzed. Finally, the seismic performance of the building structure is evaluated and analyzed based on the IDA method, and the seismic vulnerability analysis is carried out for vertical light industrial buildings with different concrete structures. The PA values of CFST structures in four limit states are 0.81g, 0.21g, 0.34g and 0.47g, which are slightly higher than those of RC structures and have better seismic performance.

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An exhaustive research and analysis on seismic performance of prefabricated concrete shear wall structure

Cited by 10 publications

References 37 publications

The evaluation of the seismic performance of the novel modularized footbridge pier

The evaluation of the seismic performance of the novel modularized footbridge pier

A review on precast structural concrete walls and connections

Seismic performance assessment of typical vertical light industrial building structures based on IDA method

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