A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Prefabricated assembled concrete-filled steel tube self-resetting pier with box-type earthquake-damaged replaceable component
The invention relates to a prefabricated assembled concrete-filled steel tube self-resetting pier with a box-type earthquake-damaged replaceable component. The prefabricated assembled concrete-filledsteel tube self-resetting pier comprises a concrete bearing platform, an upper concrete-filled steel tube prefabricated section, a bottom concrete-filled steel tube prefabricated section, a box-type earthquake-damaged replaceable component, a post-tensioned prestressed tendon and an energy consumption limiting device. The upper concrete-filled steel tube prefabricated section, the bottom concrete-filled steel tube prefabricated section and the concrete bearing platform are spliced into a whole through the post-tensioned prestressed tendon, the prestressed tendon penetrates through pier sectionducts and bearing platform ducts, and anchorage devices are anchored to the bottom of the concrete bearing platform and the top of the pier correspondingly; the box-type earthquake-damaged replaceable component is formed by combining filling of earthquake damage replaceable component concrete into the outer steer box of the earthquake-damaged replaceable component; and the two ends of energy dissipation limiting steel bars are connected to the top face of the concrete bearing platform and the outer steel tubes of the bottom concrete-filled steel tube prefabricated section correspondingly. Theinvention further provides a construction method. The prefabricated assembled concrete-filled steel tube self-resetting pier has the advantages of being convenient to replace and lower in cost.
本发明涉及一种带箱型震损可更换构件的预制拼装钢管混凝土自复位桥墩，包括混凝土承台、上部钢管混凝土预制节段、底部钢管混凝土预制节段、箱型震损可更换构件、后张预应力筋和耗能限位装置；上部钢管混凝土预制节段、底部钢管混凝土预制节段与混凝土承台通过后张预应力筋拼装成整体，预应力筋穿过桥墩节段孔道与承台孔道，将锚具分别锚固在混凝土承台底部与桥墩顶部；箱型震损可更换构件由震损可更换构件外钢箱内填震损可更换构件混凝土组合而成；耗能限位钢筋的两端分别连接于混凝土承台顶面和底部钢管混凝土预制节段的外钢管上。本发明还给出了施工方法。本发明具有更换方便，成本更低的优点。
Prefabricated assembled concrete-filled steel tube self-resetting pier with box-type earthquake-damaged replaceable component
The invention relates to a prefabricated assembled concrete-filled steel tube self-resetting pier with a box-type earthquake-damaged replaceable component. The prefabricated assembled concrete-filledsteel tube self-resetting pier comprises a concrete bearing platform, an upper concrete-filled steel tube prefabricated section, a bottom concrete-filled steel tube prefabricated section, a box-type earthquake-damaged replaceable component, a post-tensioned prestressed tendon and an energy consumption limiting device. The upper concrete-filled steel tube prefabricated section, the bottom concrete-filled steel tube prefabricated section and the concrete bearing platform are spliced into a whole through the post-tensioned prestressed tendon, the prestressed tendon penetrates through pier sectionducts and bearing platform ducts, and anchorage devices are anchored to the bottom of the concrete bearing platform and the top of the pier correspondingly; the box-type earthquake-damaged replaceable component is formed by combining filling of earthquake damage replaceable component concrete into the outer steer box of the earthquake-damaged replaceable component; and the two ends of energy dissipation limiting steel bars are connected to the top face of the concrete bearing platform and the outer steel tubes of the bottom concrete-filled steel tube prefabricated section correspondingly. Theinvention further provides a construction method. The prefabricated assembled concrete-filled steel tube self-resetting pier has the advantages of being convenient to replace and lower in cost.
本发明涉及一种带箱型震损可更换构件的预制拼装钢管混凝土自复位桥墩，包括混凝土承台、上部钢管混凝土预制节段、底部钢管混凝土预制节段、箱型震损可更换构件、后张预应力筋和耗能限位装置；上部钢管混凝土预制节段、底部钢管混凝土预制节段与混凝土承台通过后张预应力筋拼装成整体，预应力筋穿过桥墩节段孔道与承台孔道，将锚具分别锚固在混凝土承台底部与桥墩顶部；箱型震损可更换构件由震损可更换构件外钢箱内填震损可更换构件混凝土组合而成；耗能限位钢筋的两端分别连接于混凝土承台顶面和底部钢管混凝土预制节段的外钢管上。本发明还给出了施工方法。本发明具有更换方便，成本更低的优点。
Prefabricated assembled concrete-filled steel tube self-resetting pier with box-type earthquake-damaged replaceable component
带箱型震损可更换构件的预制拼装钢管混凝土自复位桥墩
ZHAO QIUHONG (author) / WANG YONGXIN (author) / DONG SHUO (author)
2020-04-14
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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