JP4876185B2 - 4−d電気比抵抗モニタリングによる地盤補強効果判定方法 - Google Patents
4−d電気比抵抗モニタリングによる地盤補強効果判定方法 Download PDFInfo
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- JP4876185B2 JP4876185B2 JP2010508320A JP2010508320A JP4876185B2 JP 4876185 B2 JP4876185 B2 JP 4876185B2 JP 2010508320 A JP2010508320 A JP 2010508320A JP 2010508320 A JP2010508320 A JP 2010508320A JP 4876185 B2 JP4876185 B2 JP 4876185B2
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- 230000000694 effects Effects 0.000 title claims description 32
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- 238000012544 monitoring process Methods 0.000 title claims description 29
- 238000002347 injection Methods 0.000 claims description 73
- 239000007924 injection Substances 0.000 claims description 73
- 239000011083 cement mortar Substances 0.000 claims description 49
- 230000008859 change Effects 0.000 claims description 29
- 235000019738 Limestone Nutrition 0.000 claims description 16
- 239000006028 limestone Substances 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 12
- 239000003673 groundwater Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
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- 229920001296 polysiloxane Polymers 0.000 claims 1
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- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 5
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- 230000007797 corrosion Effects 0.000 description 2
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- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/08—Investigation of foundation soil in situ after finishing the foundation structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
Claims (4)
- セメントモルタルグラウティング工法による地下空洞の地盤補強効果を判定する方法であって、
(a)地盤補強領域に電気比抵抗を測定できる多数の測線(Survey Line)を設けるステップと、
(b)前記多数の測線を用いてモルタル注入前に補強領域に対する測線別の電気比抵抗を測定し、その測定結果を用いて前記多数の測線が設けられた地盤補強領域の地下空間に対し3次元電気比抵抗逆算を遂行して補強領域に対する3次元電気比抵抗の空間分布を映像化するステップと、
(c)前記多数の測線を用いてモルタル注入途中またはモルタル注入後、各特定状態別に測線別の電気比抵抗を測定し、その測定結果を用いて前記多数の測線が設けられた地盤補強領域の地下空間に対し3次元電気比抵抗逆算を遂行して補強領域に対する3次元電気比抵抗の空間分布を映像化するステップと、
(d)前記(b)ステップで測定された注入前の空間別の電気比抵抗を基準にして前記(c)ステップで測定された注入途中または注入後の空間別の電気比抵抗に対する変化比を算出し、これを用いて補強領域に対する3次元電気比抵抗分布を映像化して地盤補強効果を判定するステップと、
を含んでなることを特徴とする電気比抵抗モニタリングによる地盤補強効果判定方法。 - 前記測線は、
地表から一定の深さで掘削した底に電極を一定の間隔で設けて、前記各電極に電線を連結して電線保護管を通じてターミナルボードに接地させることを特徴とする請求項1に記載の電気比抵抗モニタリングによる地盤補強効果判定方法。 - 前記電極と前記電線との連結部は、
シリコンで絶縁及び防水処理することを特徴とする請求項2に記載の電気比抵抗モニタリングによる地盤補強効果判定方法。 - 前記地盤補強効果判定は、
注入されて固まったモルタルの電気比抵抗が石灰岩空洞に存在する地下水の電気比抵抗より低いという特性を用いて注入前及び注入後の補強領域に対する電気比抵抗を比較することによって、補強領域に対する補強効果を判定することを特徴とする請求項1に記載の電気比抵抗モニタリングによる地盤補強効果判定方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2008-0028758 | 2008-03-28 | ||
| KR1020080028758A KR100939654B1 (ko) | 2008-03-28 | 2008-03-28 | 4-d 전기비저항 모니터링에 의한 지반보강 효과 판정 방법 |
| PCT/KR2009/001570 WO2009120035A2 (ko) | 2008-03-28 | 2009-03-27 | 4-d 전기비저항 모니터링에 의한 지반보강 효과 판정 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010526955A JP2010526955A (ja) | 2010-08-05 |
| JP4876185B2 true JP4876185B2 (ja) | 2012-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010508320A Expired - Fee Related JP4876185B2 (ja) | 2008-03-28 | 2009-03-27 | 4−d電気比抵抗モニタリングによる地盤補強効果判定方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8217668B2 (ja) |
| JP (1) | JP4876185B2 (ja) |
| KR (1) | KR100939654B1 (ja) |
| WO (1) | WO2009120035A2 (ja) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2309259A1 (en) * | 2009-10-12 | 2011-04-13 | Services Pétroliers Schlumberger | Methods and apparatus for monitoring cement sheath degradation related to CO2 exposure |
| KR101146152B1 (ko) * | 2010-04-27 | 2012-05-17 | 한국과학기술원 | 터널 전기비저항 탐사 방법 및 그 장치 |
| KR101269517B1 (ko) * | 2011-05-24 | 2013-06-04 | (주)희송지오텍 | 실시간 전기비저항 측정 시스템 |
| WO2015128831A1 (en) * | 2014-02-28 | 2015-09-03 | BARNARD, Andries Jacobus | Grouted rock support testing apparatus and method |
| JP6319895B2 (ja) * | 2014-05-12 | 2018-05-09 | 前田建設工業株式会社 | 改良地盤の品質管理方法及び品質管理装置 |
| CN106033068A (zh) * | 2015-03-18 | 2016-10-19 | 安徽惠洲地质安全研究院股份有限公司 | 一种基于接地电阻法的锚杆锚固质量快速检测方法 |
| CN104714097B (zh) * | 2015-04-02 | 2018-01-09 | 中国矿业大学(北京) | 一种水泥基材料电阻率在线测定仪 |
| KR101638619B1 (ko) * | 2015-12-03 | 2016-07-11 | 한국지질자원연구원 | 전기비저항을 이용한 암반그라우팅 모니터링 방법 |
| CN106405250B (zh) * | 2016-08-31 | 2020-11-03 | 山东电力工程咨询院有限公司 | 适用于复杂地形条件下的高密度地电阻率测量系统及方法 |
| CN106680326B (zh) * | 2016-12-15 | 2019-04-09 | 山东大学 | 一种潜流人工湿地堵塞的探测方法 |
| CN106759544B (zh) * | 2016-12-29 | 2019-07-30 | 广东荣骏建设工程检测股份有限公司 | 一种基坑监测采集器以及系统 |
| CN108845359A (zh) * | 2018-06-25 | 2018-11-20 | 桂林理工大学 | 围墙嵌入监测电极的堵塞原位监测方法 |
| WO2020095134A1 (en) * | 2018-11-07 | 2020-05-14 | MUGERI, Frederick Livhuwani | Apparatus and method for testing installation of a reinforcing anchor |
| KR102338724B1 (ko) * | 2020-05-29 | 2021-12-14 | 한국과학기술연구원 | 유도분극 탐사를 이용한 안정화제 적용 토양의 모니터링 방법 |
| CN111733794B (zh) * | 2020-06-11 | 2025-01-07 | 中铁一局集团第二工程有限公司 | 一种确定基坑岩溶区侧墙安全厚度的方法及注浆装置 |
| JP7696563B2 (ja) * | 2021-07-09 | 2025-06-23 | 戸田建設株式会社 | 薬液注入工法による地盤改良効果の評価方法 |
| CN113687445B (zh) * | 2021-10-27 | 2022-01-04 | 成都理工大学 | 基于多源数据融合及电磁震三维反演的注浆评价方法 |
| CN114137036B (zh) * | 2021-11-29 | 2024-03-29 | 安徽理工大学 | 一种基于邻源电位电阻率的注浆范围快速检测方法 |
| CN115728190A (zh) * | 2022-11-29 | 2023-03-03 | 鲁东大学 | 基于三维成像技术的注浆锚杆索浆液扩散效果评价方法 |
| CN120741570B (zh) * | 2025-08-22 | 2025-11-18 | 中铁四局集团有限公司 | 一种土体加固可视化示踪方法及模拟装置 |
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| US3319158A (en) * | 1964-07-09 | 1967-05-09 | Halliburton Co | Method of tracing grout in earth formations by measuring potential differences in the earth before and after introduction of the grout |
| SU692933A1 (ru) * | 1977-08-09 | 1979-10-25 | Военный Инженерный Краснознаменный Институт Им.А.Ф.Можайского | Способ электрохимического укреплени грунта |
| US4296379A (en) * | 1977-08-25 | 1981-10-20 | Eizaburo Yoshizumi | Ground prospecting method utilizing electrical resistivity measurements for measuring the resistivity of unit blocks of the ground |
| JPS54136710A (en) * | 1978-04-17 | 1979-10-24 | Eizaburou Yoshizumi | Injection condition investigation method of grout |
| SU948345A1 (ru) * | 1978-05-24 | 1982-08-07 | Всесоюзный Научно-Исследовательский Институт Комплексной Автоматизации Мелиоративных Систем Всесоюзного Научно-Производственного Объединения "Союзводавтоматика" | Устройство дл дождевани растений |
| US4875015A (en) * | 1987-07-20 | 1989-10-17 | University Of Utah Research Institute | Multi-array borehole resistivity and induced polarization method with mathematical inversion of redundant data |
| DE69329505T2 (de) * | 1992-07-31 | 2001-05-03 | Eugesol, Nanterre | Verfahren und Vorrichtung zum Abtasten und zum Untersuchen eines Untergrundvolumens |
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| FR2807167B1 (fr) * | 2000-03-28 | 2002-12-13 | Schlumberger Services Petrol | Procede pour determiner la resistivite d'une formation traversee par un puits tube |
| JP4466809B2 (ja) * | 2001-07-18 | 2010-05-26 | 日本電気株式会社 | シリコン絶縁膜とその製造方法ならびにシリコンダングリングボンドの終端方法 |
| JP3744887B2 (ja) * | 2002-08-21 | 2006-02-15 | 大同コンクリート工業株式会社 | 地盤を掘削する方法 |
| JP2005337746A (ja) * | 2004-05-24 | 2005-12-08 | National Institute For Rural Engineering | 電気探査方法 |
| JP4066196B2 (ja) * | 2005-02-17 | 2008-03-26 | オリエンタル白石株式会社 | 石灰質地盤を支持層とする基礎の施工方法 |
| KR100870061B1 (ko) | 2008-03-28 | 2008-11-24 | 한국지질자원연구원 | 전기비저항 모니터링용 전극 및 이를 이용하여 설계된 측선 |
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2008
- 2008-03-28 KR KR1020080028758A patent/KR100939654B1/ko active Active
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2009
- 2009-03-27 WO PCT/KR2009/001570 patent/WO2009120035A2/ko not_active Ceased
- 2009-03-27 JP JP2010508320A patent/JP4876185B2/ja not_active Expired - Fee Related
- 2009-03-27 US US12/518,024 patent/US8217668B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US8217668B2 (en) | 2012-07-10 |
| WO2009120035A2 (ko) | 2009-10-01 |
| WO2009120035A3 (ko) | 2009-11-19 |
| KR20090103264A (ko) | 2009-10-01 |
| KR100939654B1 (ko) | 2010-02-03 |
| US20100315103A1 (en) | 2010-12-16 |
| JP2010526955A (ja) | 2010-08-05 |
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