Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
CONSTRUCTION METHOD OF PILE HEAD SEISMIC ISOLATION STRUCTURE, AND PILE HEAD SEISMIC ISOLATION STRUCTURE
To provide a construction method of a pile head seismic isolation structure capable of easily constructing a strong skeleton, and a pile head seismic isolation structure.SOLUTION: A construction method of a pile head seismic isolation structure 20A in which a seismic isolation device 4 is installed at a pile head 21t of a foundation pile 21 using a steel pipe 21m comprises steps of: constructing the foundation pile 21 in the ground G, assembling on the ground a pile head reinforcing bar 30, which comprises a plurality of vertical reinforcing bars 31, radially provided so that one end 31s of each bar is inside, and an annular horizontal reinforcing bar 32 bound to each of the plurality of vertical reinforcing bars 31; installing the pile head reinforcing bar 30 so that one end 31s of the vertical reinforcing bar 31 is installed in a hollow portion 21h provided in the center of a pile horizontal cross section of the pile head 21t of the foundation pile 21, and the other end 31t of the vertical reinforcing bar 31 is installed outside the pile head 21t; and placing concrete around the hollow portion 21h and the pile head 21t to construct a foundation reinforced concrete portion 23A on which the seismic isolation device 4 is installed.SELECTED DRAWING: Figure 1
【課題】強固な躯体を容易に構築可能な杭頭免震構造の構築方法、及び杭頭免震構造を提供する。【解決手段】鋼管２１ｍを用いた基礎杭２１の杭頭部２１ｔに免震装置４が設置される杭頭免震構造２０Ａの構築方法であって、地盤Ｇ内に基礎杭２１を構築する工程と、一方の端部３１ｓが内側となるように放射状に設けられた、複数の縦補強筋３１と、複数の縦補強筋３１の各々に結束される円環状の横補強筋３２と、を備える杭頭補強筋３０を地組する工程と、基礎杭２１の杭頭部２１ｔの杭水平断面中央に設けられる中空部２１ｈに、縦補強筋３１の一方の端部３１ｓを設置し、杭頭部２１ｔの外側に、縦補強筋３１の他方の端部３１ｔを設置するように、杭頭補強筋３０を取り付ける工程と、中空部２１ｈ、及び杭頭部２１ｔの周りにコンクリートを打設して、免震装置４が設置される基礎鉄筋コンクリート部２３Ａを構築する工程と、を含む。【選択図】図１
CONSTRUCTION METHOD OF PILE HEAD SEISMIC ISOLATION STRUCTURE, AND PILE HEAD SEISMIC ISOLATION STRUCTURE
To provide a construction method of a pile head seismic isolation structure capable of easily constructing a strong skeleton, and a pile head seismic isolation structure.SOLUTION: A construction method of a pile head seismic isolation structure 20A in which a seismic isolation device 4 is installed at a pile head 21t of a foundation pile 21 using a steel pipe 21m comprises steps of: constructing the foundation pile 21 in the ground G, assembling on the ground a pile head reinforcing bar 30, which comprises a plurality of vertical reinforcing bars 31, radially provided so that one end 31s of each bar is inside, and an annular horizontal reinforcing bar 32 bound to each of the plurality of vertical reinforcing bars 31; installing the pile head reinforcing bar 30 so that one end 31s of the vertical reinforcing bar 31 is installed in a hollow portion 21h provided in the center of a pile horizontal cross section of the pile head 21t of the foundation pile 21, and the other end 31t of the vertical reinforcing bar 31 is installed outside the pile head 21t; and placing concrete around the hollow portion 21h and the pile head 21t to construct a foundation reinforced concrete portion 23A on which the seismic isolation device 4 is installed.SELECTED DRAWING: Figure 1
【課題】強固な躯体を容易に構築可能な杭頭免震構造の構築方法、及び杭頭免震構造を提供する。【解決手段】鋼管２１ｍを用いた基礎杭２１の杭頭部２１ｔに免震装置４が設置される杭頭免震構造２０Ａの構築方法であって、地盤Ｇ内に基礎杭２１を構築する工程と、一方の端部３１ｓが内側となるように放射状に設けられた、複数の縦補強筋３１と、複数の縦補強筋３１の各々に結束される円環状の横補強筋３２と、を備える杭頭補強筋３０を地組する工程と、基礎杭２１の杭頭部２１ｔの杭水平断面中央に設けられる中空部２１ｈに、縦補強筋３１の一方の端部３１ｓを設置し、杭頭部２１ｔの外側に、縦補強筋３１の他方の端部３１ｔを設置するように、杭頭補強筋３０を取り付ける工程と、中空部２１ｈ、及び杭頭部２１ｔの周りにコンクリートを打設して、免震装置４が設置される基礎鉄筋コンクリート部２３Ａを構築する工程と、を含む。【選択図】図１
CONSTRUCTION METHOD OF PILE HEAD SEISMIC ISOLATION STRUCTURE, AND PILE HEAD SEISMIC ISOLATION STRUCTURE
杭頭免震構造の構築方法、及び杭頭免震構造
YAMABE SHUJI (Autor:in) / AKITA TOMOYOSHI (Autor:in) / SENAGA MASARU (Autor:in)
09.08.2023
Patent
Elektronische Ressource
Japanisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
PILE HEAD ISOLATION STRUCTURE AND CONSTRUCTION METHOD THEREOF
| Europäisches Patentamt | 2019
PILE HEAD ISOLATION STRUCTURE AND CONSTRUCTION METHOD THEREOF
| Europäisches Patentamt | 2019