Structural performance of innovative precast concrete connections against cyclic loading 创新型预制混凝土连接在循环荷载作用下的结 构性能 Dr.-Ing. A. Iliopoulos利奥普罗斯博士 利奥普罗斯博士 R&D Manager研发经理 Earthquake Engineering and Progressive Collapse抗震工程及连续倒塌
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Peikko Group Corporation (www.peikko.com) • A Finnish owned multinational company芬兰跨国公司 芬兰跨国公司 • Sales offices in more than 30 countries在 在30余国设有销售处 余国设有销售处 • Manufacturing operations in 9 countries在 在9个国家制造运营 个国家制造运营 Peikko Construction Accessories Co., Ltd佩克 佩克 建筑配件有限公司 Zhangjiagang Economic Development Zone JiangSu Province, 215600江苏张家港经济开发区 江苏张家港经济开发区
钢筋套筒连接系统 地坪伸缩缝连接系统 紧固预埋钢板 抗冲切保护系统
暗牛腿 Peikko Group – Concrete Connections
DELTA钢制组合梁
锚固螺栓
梁柱连接座 风机基础 www.peikko.com
Precast Column预制柱 Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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- VTT, Finland芬兰 芬兰VTT 芬兰 - National Technical University of Athens, Greece雅典国 雅典国 立技术大学-希腊 立技术大学 希腊希腊 European Centre of Earthquake Engineering, Italy地震工程欧洲研究中心 地震工程欧洲研究中心， 地震工程欧洲研究中心，意大利 - University of Milan, Italy 米兰大学， 米兰大学，意大利 -Tongji University, China同济大学 同济大学， 同济大学，中国 - University of Valencia, Spain瓦伦西亚大学 瓦伦西亚大学， 瓦伦西亚大学，西班牙 Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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N-M Column柱 N-M Joint缝 Verification of the anchoring capacity 锚固力校核 Load cases 荷载工况
Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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轴力 正向
反向
Cast in place 现浇试件
Sleeve connection 套筒连接试件 1
1
1
钢板
钢板 钢套套
2
Column shoe connection 柱脚连接座试件
2
2
3
3
钢板 2
2
2
3
3
3
4
4
Column Shoe
加强筋 1
Peikko Group – Concrete Connections
3
1
4
1
4
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1 钢板
2
2
3
3
4
Column Shoe
加强筋 1
Peikko Group – Concrete Connections
4
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For avoiding shear overloading of the anchor bolts the surface of the foundation has shear keys designed according to the Chinese code.为避 为避 免螺栓剪力过载按照中国规范在基础接 合面设计了剪力槽 Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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RESULTS FOR MEDIUM COMPRESSION (40%)中轴压比下实验结果 中轴压比下实验结果 Cast in place 现浇试件
Peikko Group – Concrete Connections
Sleeve connection 套筒连接试件
Column shoe connection 柱脚连接座
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RESULTS FOR HIGH COMPRESSION (80%)高 高轴压比下实验结果 Cast in place 现浇试件
Peikko Group – Concrete Connections
Sleeve connection 套筒连接试件
Column shoe connection 柱脚连接座
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Peikko Group – Concrete Connections
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Cast in place现浇试件 现浇试件
180
180
150
150
120
120
90
90
60 30 0 -30 -60 -90 -120 -150 -180
Drift [-]
Peikko Group – Concrete Connections
Applied load [kN]
Applied load [kN]
Column shoe connection柱脚连接座 柱脚连接座
60 30 0 -30 -60 -90 -120 -150 -180
Drift [-]
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation变形 变形10 变形 mm
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation变形 变形 20 mm
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation 变形 40 mm
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation 变形 60 mm
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation变形 变形 80 mm
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation变形 变形 100 mm
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Cast in place现浇试件 现浇试件
Deformation 变形120 mm 变形
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Deformation 变形140 mm 变形
Peikko Group – Concrete Connections
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Column shoe connection柱脚连接座 柱脚连接座
Peikko Group – Concrete Connections
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Numerical Investigations -For finding stress concentrations - For improving reinforcing details - For improving products - For giving top level answers to designers 数值分析-找到应力 数值分析 集中；-改善配筋；完善产品；-为设计 师提供顶级支持
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Peikko Group – Concrete Connections
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-Anchor bolts act as ductile connectors锚固 螺栓作为延性连接件
- They determine strength and rotational capacity他们 决定强度和转动承载能力 Peikko Group – Concrete Connections
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Column shoes remain elastic. They are the strong parts of the connection 柱脚连接座保持了 弹性。他们是强连 接件
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Pacoima Dam Upper Left Ab., record of the Northridge, USA (1994)美国北岭地震帕科玛坝左上部记录
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Pacoima Dam Upper Left Ab., record of the Northridge, USA (1994)美国北岭地震帕科玛坝左上部记录
- 57 deaths - 5000 injured
Peikko Group – Concrete Connections
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2.50g
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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Peikko Group – Concrete Connections
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