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A platform for research: civil engineering, architecture and urbanism
ANCHORAGE STRUCTURE OF PILE HEAD JOINT PART IN PILE HEAD BASE-ISOLATED STRUCTURE
PROBLEM TO BE SOLVED: To provide an anchorage structure of a pile head joint part in a pile head base-isolated structure, the anchorage structure offering sufficient anchorage performance even in a small space for a foundation beam of which weight and size have been reduced.SOLUTION: An anchorage structure of a pile head joint part is for a pile head base-isolated structure having a foundation made by casting concrete on a pile head of a pile and a base-isolator anchored on the foundation by the anchorage structure. An anchor reinforcement of the pile is made to protrude upward from the pile head to constitute a foundation anchorage part to be anchored on the foundation, and a mechanical anchorage device is provided at a top edge of the foundation anchorage part to form a compressive strut capable of mutually conveying stress with an anchor bolt in the foundation. The foundation is double-tiered, with the foundation beam installed on the pile head of the pile, and a riser foundation installed on the foundation beam. The anchor bolt of the base-isolator has an anchoring length that reaches the foundation beam through the riser foundation, and the foundation anchorage part of the pile has an anchoring length that reaches the riser foundation through the foundation beam.SELECTED DRAWING: Figure 1
【課題】杭頭免震構造物において、基礎梁の軽微化を図りつつ、その小さなスペースでも十分な定着性能が得られる杭頭接合部の定着構造を開示する。【解決手段】杭の杭頭上に、コンクリートを打設して基礎を設けると共に、基礎上に免震装置を基礎に定着するアンカーボルトによって設置した杭頭免震構造物における杭頭接合部の定着構造であって、杭の定着鉄筋を杭頭から上方に突出させて基礎に定着する基礎定着部とし、基礎定着部の上端には、基礎内においてアンカーボルトと相互に応力を伝達可能な圧縮ストラットを形成する機械式定着具を設けた。基礎は、杭の杭頭上に設ける基礎梁と、基礎梁上に設ける立ち上がり基礎の二段構成とし、免震装置のアンカーボルトは立ち上がり基礎を介して基礎梁まで達する定着長とすると共に、杭の基礎定着部は基礎梁を介して立ち上がり基礎まで達する定着長とした。【選択図】図１
ANCHORAGE STRUCTURE OF PILE HEAD JOINT PART IN PILE HEAD BASE-ISOLATED STRUCTURE
PROBLEM TO BE SOLVED: To provide an anchorage structure of a pile head joint part in a pile head base-isolated structure, the anchorage structure offering sufficient anchorage performance even in a small space for a foundation beam of which weight and size have been reduced.SOLUTION: An anchorage structure of a pile head joint part is for a pile head base-isolated structure having a foundation made by casting concrete on a pile head of a pile and a base-isolator anchored on the foundation by the anchorage structure. An anchor reinforcement of the pile is made to protrude upward from the pile head to constitute a foundation anchorage part to be anchored on the foundation, and a mechanical anchorage device is provided at a top edge of the foundation anchorage part to form a compressive strut capable of mutually conveying stress with an anchor bolt in the foundation. The foundation is double-tiered, with the foundation beam installed on the pile head of the pile, and a riser foundation installed on the foundation beam. The anchor bolt of the base-isolator has an anchoring length that reaches the foundation beam through the riser foundation, and the foundation anchorage part of the pile has an anchoring length that reaches the riser foundation through the foundation beam.SELECTED DRAWING: Figure 1
【課題】杭頭免震構造物において、基礎梁の軽微化を図りつつ、その小さなスペースでも十分な定着性能が得られる杭頭接合部の定着構造を開示する。【解決手段】杭の杭頭上に、コンクリートを打設して基礎を設けると共に、基礎上に免震装置を基礎に定着するアンカーボルトによって設置した杭頭免震構造物における杭頭接合部の定着構造であって、杭の定着鉄筋を杭頭から上方に突出させて基礎に定着する基礎定着部とし、基礎定着部の上端には、基礎内においてアンカーボルトと相互に応力を伝達可能な圧縮ストラットを形成する機械式定着具を設けた。基礎は、杭の杭頭上に設ける基礎梁と、基礎梁上に設ける立ち上がり基礎の二段構成とし、免震装置のアンカーボルトは立ち上がり基礎を介して基礎梁まで達する定着長とすると共に、杭の基礎定着部は基礎梁を介して立ち上がり基礎まで達する定着長とした。【選択図】図１
ANCHORAGE STRUCTURE OF PILE HEAD JOINT PART IN PILE HEAD BASE-ISOLATED STRUCTURE
杭頭免震構造物における杭頭接合部の定着構造
YAMAUCHI TOYOHIDE (author) / HASHIMOTO HIROSHI (author) / KOMAGINE ARATA (author) / NAKAYAMA OSAMU (author)
2017-02-16
Patent
Electronic Resource
Japanese
IPC:
E02D
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