METHOD OF FORMING DRIVE-IN WORKING PLATFORM PILE AND ITS STRUCTURE
PROBLEM TO BE SOLVED: To solve problems of conventional methods of forming drive-in working platform piles such that the costs rise and the construction period become longer when the foundation is weak, and the safety decreases and so on owing to curvature of the drive-in working platform piles when...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To solve problems of conventional methods of forming drive-in working platform piles such that the costs rise and the construction period become longer when the foundation is weak, and the safety decreases and so on owing to curvature of the drive-in working platform piles when the drive-in working platform piles are longer.SOLUTION: There is provided a method of forming a drive-in working platform pile 1 stood by driving a lower part of the working platform pile 1 for a drive-in working platform in an upper part of a foundation pile 2 formed in a cast-in-place manner so as to bear the foundation of a building, and embedding a part of the working platform pile 1 in the upper part of the foundation pile 2 in one body before cast-in-place concrete of the foundation pile 2 is not solidified yet at the upper part 2a.
【課題】本発明は、乗入構台杭の形成工法に関し、従来工法では地盤が軟弱であるとコストが嵩み、工期が長くなり、乗入構台杭が長くなるとその曲がりによる安全性の低下などが課題であって、それを解決することである。【解決手段】建物の基礎を支持すべく現場打ちで形成する基礎杭２の上部に、当該基礎杭２の現場打ちコンクリートが前記上部２ａにおいて未だ固化していないうちに、乗入構台用の構台杭１の下部を打ち込み、当該構台杭１の一部を前記基礎杭２の上部に埋設し一体化して立設する乗入構台杭１の形成工法である。【選択図】図１ |
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