Influence of shear depth on seismic performance of shear wall reinforced with BFRP bars: mesoscale modelings

• Autorzy: Jin Liu , Miao Liyue , Du Xiuli

Identyfikatory

DOI

10.1007/s43452-022-00543-0

• Języki publikacji: EN

Abstrakty

EN

The seismic performances of 28 geometrically similar concrete shear walls reinforced with basalt fiber-reinforced polymer (BFRP) bars were simulated using a mesoscale modeling approach. In the modeling, concrete heterogeneities were explicitly described, and the interaction between BFRP bars and surrounding concretes was also considered. The influences of shear depth, shear span ratio and vertical reinforcement ratio on the failure of shear walls were investigated. The simulation results indicated that with the increase of shear depth, the failure modes were basically the similar, while the nominal shear strength decreased significantly, namely, the presence of size effect was demonstrated. The shear wall would exhibit different failure modes as the shear span ratio varies. Moreover, it was found that the vertical BFRP bar presented an ignorable influence on the failure mode, while the increase of vertical reinforcement ratio would obviously improve the shear strength of BFRP-RC shear wall. Finally, the present simulated shear strengths were compared with some available size effect laws and some codes.

Słowa kluczowe

EN

shear wall; BFRP bar; vertical reinforcement ratio; shear span ratio; size effect; mesoscale modelling

PL

ściana usztywniająca; pręt BFRP; wzmocnienie pionowe; efekt skali

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2023
• Tom: Vol. 23, no. 1
• Strony: art. no. e4, 2023
• Opis fizyczny: Bibliogr. 72 poz., rys., tab., wykr.

Twórcy

autor

Jin Liu

• The Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100124, China

autor

Miao Liyue

• The Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100124, China

autor

Du Xiuli

• The Key Laboratory of Urban Security and Disaster Engineering, Beijing University of Technology, Beijing 100124, China

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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)