Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic control of cable-stayed bridges with bearing uplift using tie-down rope-spring device
A tie-down rope-spring device (TRD) is proposed to control bearing uplift of cable-stayed bridges under a design earthquake. The mechanical properties of TRD depict a favorable interaction between its horizontal and vertical directions, i.e. the horizontal displacement results in tie-down force. A procedure is proposed to design the TRD for a case cable-stayed bridge under longitudinal seismic excitations. Analytical results validate the effectiveness of TRDs in restricting bearing uplift of the case bridge, showing a large reduction of uplift displacement at deck end, pounding force at bearings and shear force of the crossbeam.
Seismic control of cable-stayed bridges with bearing uplift using tie-down rope-spring device
A tie-down rope-spring device (TRD) is proposed to control bearing uplift of cable-stayed bridges under a design earthquake. The mechanical properties of TRD depict a favorable interaction between its horizontal and vertical directions, i.e. the horizontal displacement results in tie-down force. A procedure is proposed to design the TRD for a case cable-stayed bridge under longitudinal seismic excitations. Analytical results validate the effectiveness of TRDs in restricting bearing uplift of the case bridge, showing a large reduction of uplift displacement at deck end, pounding force at bearings and shear force of the crossbeam.
Seismic control of cable-stayed bridges with bearing uplift using tie-down rope-spring device
Yi, Jiang (Autor:in) / Yu, De’En (Autor:in) / Zhou, Junyong (Autor:in)
Journal of Earthquake Engineering ; 26 ; 6969-6992
03.10.2022
24 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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