BORING DEVICE AND BORING METHOD
PROBLEM TO BE SOLVED: To provide a boring device that occupies only a small space inside a pipe and helps securing a widest arrangement location possible for other members, along with a boring method.SOLUTION: A curved-line boring device (boring device) 1 includes a driving unit 20 providing driving...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a boring device that occupies only a small space inside a pipe and helps securing a widest arrangement location possible for other members, along with a boring method.SOLUTION: A curved-line boring device (boring device) 1 includes a driving unit 20 providing driving force to a curved steel pipe (pipe) 5 buried in a ground, and a tip device 10 fitted on a tip of the curved steel pipe 5 for drilling the ground. A strain gauge 6 is fitted on the curved steel pipe 5, for measuring stress generated on the curved steel pipe 5. The curved-line boring device 1 derives deformation of the curved steel pipe 5 based on the stress generated on the curved steel pipe 5 measured by the strain gauge 6.SELECTED DRAWING: Figure 1
【課題】管の内側で占めるスペースが小さく、他の部材の極力広い配置位置の確保に寄与することができるボーリング装置およびボーリング工法を提供する。【解決手段】曲線ボーリング装置(ボーリング装置)1は、地盤に埋設される曲線鋼管(管)5に対して推進力を付与する推進装置20および曲線鋼管5の先端に取り付けられ地盤を削孔する先端装置10を備える。曲線鋼管5には、曲線鋼管5に生じる応力を計測する歪みゲージ6が取り付けられている。また、曲線ボーリング装置1では、歪みゲージ6で計測した曲線鋼管5に生じる応力に基づいて、曲線鋼管5の変形を求める。【選択図】図1 |
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