Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ANCHORAGE STRUCTURE OF TENSION MEMBER AND FABRICATION METHOD OF PRESTRESSED CONCRETE STRUCTURE
To have a tension member anchored firmly on a concrete structure and introduce prestress efficiently into the concrete structure.SOLUTION: An anchorage structure is disposed at an end of a concrete structure 2 on which an insertion hole 4 is formed, and includes a bearing plate 3 having a through hole communicating with the insertion hole formed thereon, a sleeve 7 inserted through the insertion hole of the structure 2 and the through hole of the bearing plate 3 and having an end extended outside of the structure 2, a tension member 1 inserted into the sleeve 7 and having an end extended outside of the structure 2, a lock nut 8 engaged with the end of the sleeve 7 outside of the structure 2 and coming in contact with an outer surface of the bearing plate 3, and PC grout 15 filled in the insertion hole and the sleeve. Tension is applied to the tension member 1 before the PC grout 15 is filled, and the tension is released after strength of the PC grout 15 develops. The tension member 1 swells in a radial direction outward due to the Poisson's effects, causing compression stress to generate in the PC grout 15.SELECTED DRAWING: Figure 2
【課題】緊張材をコンクリート構造物にしっかりと定着させ、コンクリート構造物に効率よくプレストレスを導入する。【解決手段】定着構造は、挿通孔４が形成されたコンクリート構造物２の端部に配置され、挿通孔につながる貫通孔が形成された支圧板３と、構造物２の挿通孔および支圧板３の貫通孔に通され、その一端部が構造物２の外に出されるスリーブ７と、スリーブ７内に挿入され、一端部が構造物２の外に出される緊張材１と、構造物２の外に位置するスリーブ７の一端部に係合され、支圧板３の外面に接するロックナット８と、挿通孔内およびスリーブ内に充填されるＰＣグラウト15を備える。緊張材１はＰＣグラウト15の充填前に緊張され、かつＰＣグラウト15の強度発現後に緊張が解かれたものである。緊張材１がポアソン効果によって径方向外向きに膨張し、ＰＣグラウト15に圧縮応力が発生している。【選択図】図２
ANCHORAGE STRUCTURE OF TENSION MEMBER AND FABRICATION METHOD OF PRESTRESSED CONCRETE STRUCTURE
To have a tension member anchored firmly on a concrete structure and introduce prestress efficiently into the concrete structure.SOLUTION: An anchorage structure is disposed at an end of a concrete structure 2 on which an insertion hole 4 is formed, and includes a bearing plate 3 having a through hole communicating with the insertion hole formed thereon, a sleeve 7 inserted through the insertion hole of the structure 2 and the through hole of the bearing plate 3 and having an end extended outside of the structure 2, a tension member 1 inserted into the sleeve 7 and having an end extended outside of the structure 2, a lock nut 8 engaged with the end of the sleeve 7 outside of the structure 2 and coming in contact with an outer surface of the bearing plate 3, and PC grout 15 filled in the insertion hole and the sleeve. Tension is applied to the tension member 1 before the PC grout 15 is filled, and the tension is released after strength of the PC grout 15 develops. The tension member 1 swells in a radial direction outward due to the Poisson's effects, causing compression stress to generate in the PC grout 15.SELECTED DRAWING: Figure 2
【課題】緊張材をコンクリート構造物にしっかりと定着させ、コンクリート構造物に効率よくプレストレスを導入する。【解決手段】定着構造は、挿通孔４が形成されたコンクリート構造物２の端部に配置され、挿通孔につながる貫通孔が形成された支圧板３と、構造物２の挿通孔および支圧板３の貫通孔に通され、その一端部が構造物２の外に出されるスリーブ７と、スリーブ７内に挿入され、一端部が構造物２の外に出される緊張材１と、構造物２の外に位置するスリーブ７の一端部に係合され、支圧板３の外面に接するロックナット８と、挿通孔内およびスリーブ内に充填されるＰＣグラウト15を備える。緊張材１はＰＣグラウト15の充填前に緊張され、かつＰＣグラウト15の強度発現後に緊張が解かれたものである。緊張材１がポアソン効果によって径方向外向きに膨張し、ＰＣグラウト15に圧縮応力が発生している。【選択図】図２
ANCHORAGE STRUCTURE OF TENSION MEMBER AND FABRICATION METHOD OF PRESTRESSED CONCRETE STRUCTURE
緊張材の定着構造およびプレストレストコンクリート構造物の製作方法
TANAKA YOSHIHIRO (Autor:in) / ONO MASAKI (Autor:in)
25.04.2022
Patent
Elektronische Ressource
Japanisch
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