JP6884628B2 - 切羽前方の地質探査装置 - Google Patents
切羽前方の地質探査装置 Download PDFInfo
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- JP6884628B2 JP6884628B2 JP2017084990A JP2017084990A JP6884628B2 JP 6884628 B2 JP6884628 B2 JP 6884628B2 JP 2017084990 A JP2017084990 A JP 2017084990A JP 2017084990 A JP2017084990 A JP 2017084990A JP 6884628 B2 JP6884628 B2 JP 6884628B2
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- pipe
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- geological exploration
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
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- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
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- -1 polyethylene Polymers 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Geophysics And Detection Of Objects (AREA)
Description
Claims (4)
- 切羽前方の地山に設けられた穿孔に挿入されるパイプと、前記パイプの内部に軸方向に沿って所定の間隔で配設された、弾性波を測定するための複数の受振器と、前記パイプの先端側の外周面に設けられた、前記穿孔内の孔壁周辺における地山の比抵抗を測定するための電流電極及び電位電極とを備えるとともに、前記電流電極及び電位電極は、地山との接触部が多数の細線状の電極を突出させたブラシ状に形成されていることを特徴とする切羽前方の地質探査装置。
- 前記パイプは、樹脂からなり、所定の長さで分割された複数のパイプがコネクタで連結されて構成されている請求項1記載の切羽前方の地質探査装置。
- 前記複数の受振器は、隣り合う前記受振器を連結する連結部材によって一体化されるとともに、先端部が前記パイプの内部の先端に切断可能な部材を介して固定されている請求項1、2いずれかに記載の切羽前方の地質探査装置。
- 前記電流電極及び電位電極から延びるリード線は、前記パイプの内部に配線されている請求項1〜3いずれかに記載の切羽前方の地質探査装置。
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JP2017084990A JP6884628B2 (ja) | 2017-04-24 | 2017-04-24 | 切羽前方の地質探査装置 |
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JP2017084990A JP6884628B2 (ja) | 2017-04-24 | 2017-04-24 | 切羽前方の地質探査装置 |
Publications (2)
Publication Number | Publication Date |
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JP2018185150A JP2018185150A (ja) | 2018-11-22 |
JP6884628B2 true JP6884628B2 (ja) | 2021-06-09 |
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JP2017084990A Active JP6884628B2 (ja) | 2017-04-24 | 2017-04-24 | 切羽前方の地質探査装置 |
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JP (1) | JP6884628B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108845030A (zh) * | 2018-05-03 | 2018-11-20 | 张家港申乾工程技术服务有限公司 | 一种在大口径管道内检测管道周边介质状态的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5139768B2 (ja) * | 1972-01-13 | 1976-10-29 | ||
JP3439334B2 (ja) * | 1997-12-25 | 2003-08-25 | 鹿島建設株式会社 | 速度検層方法 |
JP3849939B2 (ja) * | 2003-06-25 | 2006-11-22 | 譲 芦田 | 地質構造探査用測定器具、および、それを用いた地質構造探査システム |
JP2006119096A (ja) * | 2004-10-25 | 2006-05-11 | Central Res Inst Of Electric Power Ind | 比抵抗測定用の電極ケーブル |
US7982464B2 (en) * | 2007-05-01 | 2011-07-19 | Halliburton Energy Services, Inc. | Drilling systems and methods using radial current flow for boundary detection or boundary distance estimation |
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- 2017-04-24 JP JP2017084990A patent/JP6884628B2/ja active Active
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