JP2021025299A - 地盤判定方法および地盤判定装置 - Google Patents
地盤判定方法および地盤判定装置 Download PDFInfo
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- JP2021025299A JP2021025299A JP2019143814A JP2019143814A JP2021025299A JP 2021025299 A JP2021025299 A JP 2021025299A JP 2019143814 A JP2019143814 A JP 2019143814A JP 2019143814 A JP2019143814 A JP 2019143814A JP 2021025299 A JP2021025299 A JP 2021025299A
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- ground
- methane gas
- penetration hole
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Description
11 本体部
12 先端部
15 ハンドル部
20 検出装置
21 検出部
22 吸引パイプ
23 ドレインフィルタ
24 鞘管
25 ガス管
26 ゴム栓
28 端末装置
100 地盤判定装置
110 取得部
120 記憶部
130 判定部
140 表示部
Claims (4)
- 地盤に所定の手順により棒状体を貫入する住宅の地盤調査を行う工程と、
前記住宅の地盤調査により前記地盤に形成された貫入穴から発生するメタンガスの濃度を測定する工程と、を備えることを特徴とする、
地盤判定方法。 - 前記メタンガスの濃度の検出値と、予め定められた基準とを比較して前記地盤の土質を判定する工程を更に備える、
請求項1に記載の地盤判定方法。 - 前記基準は、2000[%LEL]に設定されている、
請求項2に記載の地盤判定方法。 - 地盤に棒状体を所定の手順により貫入する住宅の地盤調査を行った後に前記地盤に形成された貫入穴から発生するメタンガスの濃度の検出値と予め定められた基準とを比較して前記地盤の土質を判定する判定部を備えることを特徴とする、
地盤判定装置。
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JP2021025299A true JP2021025299A (ja) | 2021-02-22 |
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Families Citing this family (1)
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JP7349087B2 (ja) * | 2020-09-30 | 2023-09-22 | 博 堀江 | 可燃性ガス噴出予測装置、及び可燃性ガス噴出危険度判定装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03140854A (ja) * | 1989-10-25 | 1991-06-14 | Osaka Gas Co Ltd | 土壌中のガス濃度測定方法および装置 |
JPH10307086A (ja) * | 1997-05-08 | 1998-11-17 | Chika Keisoku Gijutsu Consultant:Kk | ボーリング用地層ガス検知方法 |
JP2006346578A (ja) * | 2005-06-16 | 2006-12-28 | Shimizu Corp | 投棄サイト及び処分場の修復方法及び土壌ガス調査機構 |
WO2007052624A1 (ja) * | 2005-11-02 | 2007-05-10 | Kabushikikaisha Land Eco | 土壌汚染検知装置及び検知方法 |
US20070266800A1 (en) * | 2005-05-18 | 2007-11-22 | Risk David A | Apparatus and method for measuring soil gases |
JP2009133164A (ja) * | 2007-11-30 | 2009-06-18 | Nitto Seiko Co Ltd | 貫入試験方法 |
JP2014169533A (ja) * | 2013-03-01 | 2014-09-18 | Something:Kk | 土試料採取管及び土試料採取管の掘進方法 |
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2019
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03140854A (ja) * | 1989-10-25 | 1991-06-14 | Osaka Gas Co Ltd | 土壌中のガス濃度測定方法および装置 |
JPH10307086A (ja) * | 1997-05-08 | 1998-11-17 | Chika Keisoku Gijutsu Consultant:Kk | ボーリング用地層ガス検知方法 |
US20070266800A1 (en) * | 2005-05-18 | 2007-11-22 | Risk David A | Apparatus and method for measuring soil gases |
JP2006346578A (ja) * | 2005-06-16 | 2006-12-28 | Shimizu Corp | 投棄サイト及び処分場の修復方法及び土壌ガス調査機構 |
WO2007052624A1 (ja) * | 2005-11-02 | 2007-05-10 | Kabushikikaisha Land Eco | 土壌汚染検知装置及び検知方法 |
JP2009133164A (ja) * | 2007-11-30 | 2009-06-18 | Nitto Seiko Co Ltd | 貫入試験方法 |
JP2014169533A (ja) * | 2013-03-01 | 2014-09-18 | Something:Kk | 土試料採取管及び土試料採取管の掘進方法 |
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