2022
DOI: 10.1016/j.istruc.2021.11.033
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Serviceability conditions of friction dampers for seismic risk mitigations

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Cited by 13 publications
(5 citation statements)
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“…Concerning experimental research, it should be noted that in many cases research using FEM models is preparatory to the design of the device, which will subsequently undergo experimental testing [22,61,62]; just as often, further extensive FEM research is conducted downstream of the experimental analysis, also used to validate the FEM model and to investigate the effects of variations in the geometric and mechanical parameters that characterize the model [22]. In the experimental approach, key research topics are the tribological behavior of the friction material used [63][64][65][66][67][68], the methods of application and control of the preload applied to the devices (generally by means of bolts) [64,[69][70][71][72], the design solutions used to create the device, the shape and stability of the resulting hysteresis loops, and the recentering capacity of the devices [22,[44][45][46]58,59,61,[73][74][75][76][77]. For friction devices for BCCs, of particular interest is the reliability with which the activation load of the device can be estimated, and its time evolution related to durability issues.…”
Section: Research and Devices Categorizationmentioning
confidence: 99%
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“…Concerning experimental research, it should be noted that in many cases research using FEM models is preparatory to the design of the device, which will subsequently undergo experimental testing [22,61,62]; just as often, further extensive FEM research is conducted downstream of the experimental analysis, also used to validate the FEM model and to investigate the effects of variations in the geometric and mechanical parameters that characterize the model [22]. In the experimental approach, key research topics are the tribological behavior of the friction material used [63][64][65][66][67][68], the methods of application and control of the preload applied to the devices (generally by means of bolts) [64,[69][70][71][72], the design solutions used to create the device, the shape and stability of the resulting hysteresis loops, and the recentering capacity of the devices [22,[44][45][46]58,59,61,[73][74][75][76][77]. For friction devices for BCCs, of particular interest is the reliability with which the activation load of the device can be estimated, and its time evolution related to durability issues.…”
Section: Research and Devices Categorizationmentioning
confidence: 99%
“…It has to be emphasized that Chan and Tang [68] investigated durability issues, stressing that in the literature most of the studies were conducted on the new friction dampers. They performed an experimental campaign in order to investigate the long-term performance of dampers, proving that they are mainly affected by corrosion and contamination by foreign bodies, which ultimately affects the energy dissipation capacity.…”
mentioning
confidence: 99%
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“…Kết cấu trụ cầu được mô phỏng bằng cách sử dụng hai loại phần tử: phần tử phi tuyến Link cho vùng biến dạng dẻo và phần tử đàn hồi cho phần còn lại. Độ cứng cho các phần tử đàn hồi lấy tương ứng với trạng thái cốt thép bị chảy dẻo theo khuyến nghị của ACI 16 [22][23][24] và trên thế giới [25][26][27][28][29][30][31] đã chọn duy nhất trận động đất này để sử dụng cho việc phân tích của họ. Cường độ băng gia tốc này được thay đổi bằng cách nhân với hệ số sao cho các gia tốc đỉnh (PGA) là 0,2g, 0,25g và 0,3g.…”
Section: Mô Phỏng Kết Cấu Trụ Cầu Chịu độNg đấTunclassified
“…Studies have been carried out on the optimal characteristics and designs of sway-rocking (SR) motion and inelastic single-story steel moment-resisting frames (SMRF) [26,27]. The effects of various serviceability circumstances on a linear-motion friction damper were studied by Chan and Tang [28]. A lever viscoelastic wall (LVEW) is a new steel wind-and earthquake-resistant wall that Chou et al developed.…”
Section: Introductionmentioning
confidence: 99%