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TENSION ANCHORAGE DEVICE FOR PLURALITY OF PC STEEL MATERIALS, AND TENSION ANCHORAGE METHOD FOR PLURALITY OF PC STEEL MATERIALS
To reduce a tension difference between a plurality of PC steel materials when the PC steel materials are tensioned.SOLUTION: A tension anchorage device 1000 is composed of: a jack 1600 provided with a piston 1610 for tension and a lock-off piston 1620 for press-fit; a reaction plate 1310 which receives a force from the piston 1610 for tension and acts on a plurality of anchorage devices 1100 for tension in common; the plurality of anchorage devices 1100 for tension provided on the reaction plate 1310; an anchorage plate 1300 which is brought into contact with the end face of the structure 100; a plurality of anchorage devices 1200 for fixing provided on the anchorage plate 1300; a press-fit plate 1500 which receives a force from the lock-off piston 1620 for press-fit and acts on a plurality of wedges 1210 in common; a chair 1400 for tension anchorage which is brought into contact with the end face on the open end side of the anchorage plate 1300 and a nose 1630 of the jack 1600.SELECTED DRAWING: Figure 5
【課題】複数のＰＣ鋼材を緊張させる場合において、ＰＣ鋼材間の緊張差を低減させる。【解決手段】緊張定着装置１０００は、緊張用ピストン１６１０と圧入用ロックオフピストン１６２０とを備えたジャッキ１６００と、緊張用ピストン１６１０からの力を受けて複数の緊張用定着具１１００に共通して作用する反力プレート１３１０と、反力プレート１３１０に設けられた複数の緊張用定着具１１００と、構造物１００の端面に当接する定着プレート１３００と、定着プレート１３００に設けられた複数の固定用定着具１２００と、圧入用ロックオフピストン１６２０からの力を受けて複数のウェッジ１２１０に共通して作用する圧入プレート１５００と、定着プレート１３００の開放端側の端面およびジャッキ１６００のノーズ１６３０に当接する緊張定着用チェア１４００とで構成される。【選択図】図５
TENSION ANCHORAGE DEVICE FOR PLURALITY OF PC STEEL MATERIALS, AND TENSION ANCHORAGE METHOD FOR PLURALITY OF PC STEEL MATERIALS
To reduce a tension difference between a plurality of PC steel materials when the PC steel materials are tensioned.SOLUTION: A tension anchorage device 1000 is composed of: a jack 1600 provided with a piston 1610 for tension and a lock-off piston 1620 for press-fit; a reaction plate 1310 which receives a force from the piston 1610 for tension and acts on a plurality of anchorage devices 1100 for tension in common; the plurality of anchorage devices 1100 for tension provided on the reaction plate 1310; an anchorage plate 1300 which is brought into contact with the end face of the structure 100; a plurality of anchorage devices 1200 for fixing provided on the anchorage plate 1300; a press-fit plate 1500 which receives a force from the lock-off piston 1620 for press-fit and acts on a plurality of wedges 1210 in common; a chair 1400 for tension anchorage which is brought into contact with the end face on the open end side of the anchorage plate 1300 and a nose 1630 of the jack 1600.SELECTED DRAWING: Figure 5
【課題】複数のＰＣ鋼材を緊張させる場合において、ＰＣ鋼材間の緊張差を低減させる。【解決手段】緊張定着装置１０００は、緊張用ピストン１６１０と圧入用ロックオフピストン１６２０とを備えたジャッキ１６００と、緊張用ピストン１６１０からの力を受けて複数の緊張用定着具１１００に共通して作用する反力プレート１３１０と、反力プレート１３１０に設けられた複数の緊張用定着具１１００と、構造物１００の端面に当接する定着プレート１３００と、定着プレート１３００に設けられた複数の固定用定着具１２００と、圧入用ロックオフピストン１６２０からの力を受けて複数のウェッジ１２１０に共通して作用する圧入プレート１５００と、定着プレート１３００の開放端側の端面およびジャッキ１６００のノーズ１６３０に当接する緊張定着用チェア１４００とで構成される。【選択図】図５
TENSION ANCHORAGE DEVICE FOR PLURALITY OF PC STEEL MATERIALS, AND TENSION ANCHORAGE METHOD FOR PLURALITY OF PC STEEL MATERIALS
複数のＰＣ鋼材の緊張定着装置および複数のＰＣ鋼材の緊張定着方法
NAGASE SATOSHI (author) / JINGU TAKESHI (author) / MATSUO ATSUSHI (author) / HOSOI KIYOTAKA (author) / TAKEICHI TOMOHIRO (author) / KOBAYASHI RYOSUKE (author)
2022-11-09
Patent
Electronic Resource
Japanese
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