Performance study of precast reinforced concrete shear walls with steel columns containing friction-bearing devices

• Autorzy: Fang Qiang , Qiu Hongxing , Sun Jian , Dal Lago Bruno , Jiang Hongbo

Identyfikatory

DOI

10.1007/s43452-021-00261-z

• Języki publikacji: EN

Abstrakty

EN

A novel structural system based on precast reinforced concrete (RC) shear wall panels mutually connected vertically using T-connectors and horizontally using friction-bearing devices (FBDs) mounted on interposed steel columns was recently proposed. To investigate the seismic performance of the proposed precast RC shear wall system, three subassembly specimens simulating a single construction modulus were constructed and tested by considering different slot length and numbers of FBDs under quasi-static cyclic loading. Ductile flexural failure at drift of around 4.2% and load of around 265 kN was attained for both specimens with long-slot FBDs, while shear failure after moderate flexural ductility was attained at drift of around 3.8% and higher load of around 368.3 kN for specimens with short-slot FBDs, showing not-direct dependence of the load capacity on the number of FBDs installed. However, the higher number of FBDs allowed for higher hysteretic damping with a 27.3% increase in dissipated energy through cycles.

Słowa kluczowe

EN

precast RC shear walls; cyclic loading test; friction-bearing devices; structural joints; seismic performance; hysteretic damping

PL

tarcie; badania sejsmiczne; żelbet

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2021
• Tom: Vol. 21, no. 3
• Strony: 439--457
• Opis fizyczny: Bibliogr. 36 poz., fot., rys., wykr.

Twórcy

autor

Fang Qiang

• Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 211189, China

autor

Qiu Hongxing

• Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 211189, China

autor

Sun Jian

• Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 211189, China

autor

Dal Lago Bruno

• Department of Theoretical and Applied Sciences, Insubria University, 21100 Varese, Italy

autor

Jiang Hongbo

• College of Civil Science and Engineering, Yangzhou University, Yangzhou 225127, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)