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Vol.57 >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10466/3078

Title: 温室用基礎としての斜杭の有用性に関する研究 : フーチング基礎との比較と実物大試験による確認
Other Titles: A Study on the Usefulness of Batter Piles as a Greenhouse Foundation, Comparison with Footing Foundation and Verification by Full-sized Experiments
Authors: 木全, 卓
武藤, 秀治
工藤, 庸介
桑原, 孝雄
山形, 俊彦
北島, 弘伸
望月, 政和
Author's alias: KIMATA, Takashi
MUTO, Shuji
KUDO, Yosuke
YAMAGATA, Toshihiko
KITAJIMA, Hironobu
Keywords: 斜杭
batter pile
footing foundation
greenhouse foundation
model test
Issue Date: 31-Mar-2005
Publisher: Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University
Citation: 大阪府立大学大学院農学生命科学研究科学術報告. 2005, 57, p.9-13
Abstract: 一般に,園芸用などに用いられる温室は比較的軽量な構造物であり,基礎部分には自重による押し込み荷重よりも風などによる引き抜きや水平方向への荷重が卓越する。このような場合,斜杭を用いた基礎方式に大きな効果が期待できる。そのため,著者らは室内模型実験を行って斜杭を用いた基礎の力学的特性を検討してきたが,これまでの研究で,斜杭は直杭よりも遥かに大きな引き抜き抵抗を有し,温室用基礎として非常に有用であることが確認できている。今回の研究では,実際に使用されているフーチング基礎と斜杭の特性を比較するために,模型実験によりフーチング基礎の引き抜き・水平載荷特性を調べた。また,実際にこの斜杭を基礎として用いた際の効果を確認するため,実物大での引き抜き試験も行った。その結果,斜杭はフーチング基礎を上回る引き抜き・水平抵抗力を発揮することがわかった。また,実物大の斜杭も温室用基礎として十分な引き抜き抵抗力を発揮することが確認できた。
Generally, a greenhouse is a relatively lightweight structure, and the foundations are subjected to a much lager wind-force load uprooting them, than the load of it's own structural weight. In such a case, a foundation method using batter pile is expected to provide more effective resistance. Authors have been investigating the mechanical properties of batter pile foundations by executing laboratory model tests, and have found that the batter piles resist much more against the pulling load than ordinary vertical piles, and the usefulness of the batter piles are confirmed as a greenhouse foundation. In this study, in order to compare the characteristics of the batter piles with those of a footing foundation, which is ordinarily used as a greenhouse foundation, a series of laboratory model tests were executed to investigate the mechanical properties of pulling and horizontal resistance. To confirm the actual effectiveness of the batter pile as a structural foundation, full-sized pulling experiments were carried out. As a result, it is found that the patter pile exceeds the footing foundation in pulling and horizontal loading resistance. Besides, it was confirmed that the batter pile foundation provides enough pulling resistance as a greenhouse foundation.
URI: http://hdl.handle.net/10466/3078
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