JP4113470B2 - 法面崩落防止工における埋設用アンカーおよび崩落防止工法 - Google Patents
法面崩落防止工における埋設用アンカーおよび崩落防止工法 Download PDFInfo
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- JP4113470B2 JP4113470B2 JP2003273431A JP2003273431A JP4113470B2 JP 4113470 B2 JP4113470 B2 JP 4113470B2 JP 2003273431 A JP2003273431 A JP 2003273431A JP 2003273431 A JP2003273431 A JP 2003273431A JP 4113470 B2 JP4113470 B2 JP 4113470B2
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- anchor
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- 散在する岩や土石が崩落する可能性の高い傾斜地にワイヤロープを略縦横に張りめぐらせ、各ワイヤロープの端末や交差部、さらには前記ワイヤロープ下に金網が敷設されている場合の敷設面の適宜箇所を、地山に固定もしくは密着させるようにした法面崩落防止工で使用される土中埋設用アンカーにおいて、
該土中埋設用アンカーは、土中埋没部が直径一定・ピッチ一定のコイルで形成されるコイルアンカーと、該コイルアンカー内を縦通して打設される棒状アンカーとを備え、
コイルアンカーにおける尖鋭となっている前記土中埋没部の前記コイルの先端は、前記一定をなす直径の円上に位置されており、
前記土中埋没部の上部にあって地表に現れる表層突出部には、地山の起伏に応じて押圧密着を図る押さえ具を取り付けるため、前記コイルから上方へ延びる固定部が設けられ、 前記押さえ具は、法面と略平行をなす押さえ部と該押さえ部端から地山に向けて延びる差込み部とを備え、
前記押さえ部は、前記棒状アンカーの上端部に位置して上方へ延びる表層突端部に形成したねじと前記固定部に形成したねじとを、それぞれ挿通させた後に出た各ねじにナットを螺着することにより、前記コイルアンカーと棒状アンカーとを一体化するようにしていることを特徴とする法面崩落防止工における埋設用アンカー。 - 散在する岩や土石が崩落する可能性の高い傾斜地にワイヤロープを略縦横に張りめぐらせ、各ワイヤロープの端末や交差部、さらには前記ワイヤロープ下に金網が敷設されている場合の敷設面の適宜箇所を、アンカーを用いて地山に固定および密着させるようにした法面崩落防止工の施工法において、
アンカーを打設すべき箇所がその表層近傍で脆弱土質層をなしその下方が岩盤層となっている場合、まず脆弱土質層に対して請求項1に記載されたコイルアンカーを螺進させ、次に該アンカーのコイル内を通過して前記岩盤層に到達するように穿孔し、その空孔に棒状アンカーを挿入して固化材により岩盤層に固定し、該棒状アンカーの上端部に位置して上方へ延びる表層突端部に形成したねじとコイルアンカーの前記固定部に形成したねじとを、請求項1に記載された押さえ具の押さえ部にそれぞれ挿通させた後に出た各ねじにナットを螺着し、棒状アンカーとコイルアンカーとを一体化させることを特徴とする法面崩落防止工法。
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JP2003273431A JP4113470B2 (ja) | 2003-07-11 | 2003-07-11 | 法面崩落防止工における埋設用アンカーおよび崩落防止工法 |
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JP2003273431A JP4113470B2 (ja) | 2003-07-11 | 2003-07-11 | 法面崩落防止工における埋設用アンカーおよび崩落防止工法 |
Publications (2)
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JP2005030160A JP2005030160A (ja) | 2005-02-03 |
JP4113470B2 true JP4113470B2 (ja) | 2008-07-09 |
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JP2003273431A Expired - Lifetime JP4113470B2 (ja) | 2003-07-11 | 2003-07-11 | 法面崩落防止工における埋設用アンカーおよび崩落防止工法 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100834309B1 (ko) * | 2007-02-27 | 2008-06-02 | (주)현이앤씨 | 로프를 이용한 사면 압착 장치 및 그 시공 방법 |
JP5150596B2 (ja) * | 2009-10-02 | 2013-02-20 | 東京製綱株式会社 | アンカー装置およびアンカーの施工法 |
KR101328995B1 (ko) * | 2010-07-20 | 2013-11-13 | 동림지앤텍(주) | 토사유출 방지용 매트 고정구 |
JP5584839B1 (ja) * | 2014-02-19 | 2014-09-03 | 博明 上山 | 地中熱採熱機能一体型ハイブリッド螺旋杭 |
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- 2003-07-11 JP JP2003273431A patent/JP4113470B2/ja not_active Expired - Lifetime
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