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METHOD FOR MEASURING REINFORCING BAR STRAIN OF PILE HEAD AND PILE HEAD TREATMENT METHOD
To provide a method for measuring a reinforcing bar strain of a pile head and a pile head treatment method capable of grasping the state of the reinforcing bar before and after crushing with time in a pile head treatment using a crushing agent such as a dynamic crushing agent.SOLUTION: In a method of measuring a reinforcing bar strain of a pile head, by attaching a strain gauge 8 to a position below a pile top end 1a of reinforcing bars 3, 3 before placing concrete, loading a crushing agent 7 on a pile head of a concrete pile 1 after forming the concrete pile 1, and measuring the strain of the reinforcing bar 3 when an extra embankment 6 is broken by the strain gauge 8 when breaking up the extra embankment 6 from the pile top end 1a by the crushing agent 7, the strain of the reinforcing bar 3 before and after breaking can be accurately grasped.SELECTED DRAWING: Figure 2
【課題】動的破砕剤等の破砕剤を使用した杭頭処理において、破砕前後の鉄筋の状況を経時的に把握できる杭頭部の鉄筋ひずみ計測方法及び杭頭処理工法の提供。【解決手段】この杭頭部の鉄筋ひずみ計測方法は、コンクリートを打設する前に鉄筋3,3の杭天端1aより下の位置にひずみゲージ8を取り付けておき、コンクリート杭1を形成した後、コンクリート杭1の杭頭部に破砕剤7を装填し、破砕剤7によって杭天端1aから上の余盛部6を破断させる際、ひずみゲージ8によって余盛部6を破断させる際の鉄筋3のひずみを計測することによって、破断前後の鉄筋3のひずみを的確に把握することができる。【選択図】図2
METHOD FOR MEASURING REINFORCING BAR STRAIN OF PILE HEAD AND PILE HEAD TREATMENT METHOD
To provide a method for measuring a reinforcing bar strain of a pile head and a pile head treatment method capable of grasping the state of the reinforcing bar before and after crushing with time in a pile head treatment using a crushing agent such as a dynamic crushing agent.SOLUTION: In a method of measuring a reinforcing bar strain of a pile head, by attaching a strain gauge 8 to a position below a pile top end 1a of reinforcing bars 3, 3 before placing concrete, loading a crushing agent 7 on a pile head of a concrete pile 1 after forming the concrete pile 1, and measuring the strain of the reinforcing bar 3 when an extra embankment 6 is broken by the strain gauge 8 when breaking up the extra embankment 6 from the pile top end 1a by the crushing agent 7, the strain of the reinforcing bar 3 before and after breaking can be accurately grasped.SELECTED DRAWING: Figure 2
【課題】動的破砕剤等の破砕剤を使用した杭頭処理において、破砕前後の鉄筋の状況を経時的に把握できる杭頭部の鉄筋ひずみ計測方法及び杭頭処理工法の提供。【解決手段】この杭頭部の鉄筋ひずみ計測方法は、コンクリートを打設する前に鉄筋3,3の杭天端1aより下の位置にひずみゲージ8を取り付けておき、コンクリート杭1を形成した後、コンクリート杭1の杭頭部に破砕剤7を装填し、破砕剤7によって杭天端1aから上の余盛部6を破断させる際、ひずみゲージ8によって余盛部6を破断させる際の鉄筋3のひずみを計測することによって、破断前後の鉄筋3のひずみを的確に把握することができる。【選択図】図2
METHOD FOR MEASURING REINFORCING BAR STRAIN OF PILE HEAD AND PILE HEAD TREATMENT METHOD
杭頭部の鉄筋ひずみ計測方法及び杭頭処理工法
TAKEUCHI HIROYUKI (Autor:in)
02.07.2020
Patent
Elektronische Ressource
Japanisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
Concrete pile having reinforcing structure for pile head
Europäisches Patentamt | 2020
|Concrete pile having reinforcing structure for pile head
Europäisches Patentamt | 2021