EP0705941A1 - Membranvorrichtung mit schrägem Piezometer - Google Patents

Membranvorrichtung mit schrägem Piezometer Download PDF

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Publication number
EP0705941A1
EP0705941A1 EP94400638A EP94400638A EP0705941A1 EP 0705941 A1 EP0705941 A1 EP 0705941A1 EP 94400638 A EP94400638 A EP 94400638A EP 94400638 A EP94400638 A EP 94400638A EP 0705941 A1 EP0705941 A1 EP 0705941A1
Authority
EP
European Patent Office
Prior art keywords
tube
piston
piezometer
pressure
membrane cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP94400638A
Other languages
English (en)
French (fr)
Other versions
EP0705941B1 (de
Inventor
Khalil Fahmy Iskander
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to FR9211210A priority Critical patent/FR2696003B1/fr
Application filed by Individual filed Critical Individual
Priority to EP94400638A priority patent/EP0705941B1/de
Priority to DE1994624787 priority patent/DE69424787T2/de
Publication of EP0705941A1 publication Critical patent/EP0705941A1/de
Application granted granted Critical
Publication of EP0705941B1 publication Critical patent/EP0705941B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/008—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells by injection test; by analysing pressure variations in an injection or production test, e.g. for estimating the skin factor
    • 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
    • E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
    • 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
    • E02D1/027—Investigation of foundation soil in situ before construction work by investigating properties relating to fluids in the soil, e.g. pore-water pressure, permeability
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/006—Measuring wall stresses in the borehole

Definitions

  • the probe is a three cell probe installed in a cavity.
  • the probe is supplied by a pressurized liquid.
  • the increase in the pressure of this liquid causes the probe to swell.
  • the bearing capacity and the compaction of the soil are determined by the relationship between the measurements of change of the previous pressure and the change of the volume of the central measurement cell.
  • This device has the same advantages and the same defects as that described (2.1) but the rework in this case is the result of the backflow.
  • the device consists of a single cell probe preceded by a thin-walled corer carrying the measuring membrane cell.
  • the English device also includes a pore pressure sensor in the middle of the membrane cell, this membrane cell is equipped with springs with strain gauges.
  • the porous stone of the piezometer (5) is fitted by a cylinder (10) which serves to avoid clogging during the penetration of the system as well as to prevent the re-entry of small grains of soil in the oil chamber (13) of the piston (8).
  • the space (20) allows the establishment of links (14).
  • the pressurized fluid circulating in the pipe (2) prevents the cylinder (10) from moving relative to the porous stone of the piezometer (5). During the movement where the piezometer (5) approaches level (6), it emerges from the cylinder (10) which remains in place by the effect of the link (14).
  • the maneuvering tube (12) containing the piezometer (5) continues its stroke up to level (6).
  • the fluid in the pipe (2) is evacuated through the porous stone of the piezometer (5).
  • the operating tube (12) of the piston (8) fits into the cylinder (10) and drives it in its movement.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Soil Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Geophysics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
EP94400638A 1992-09-21 1994-03-24 Pressiometer mit zwei Piezometer Expired - Lifetime EP0705941B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9211210A FR2696003B1 (fr) 1992-09-21 1992-09-21 Procédé et dispositif pour mesurer des caractéristiques mécaniques du sol.
EP94400638A EP0705941B1 (de) 1992-09-21 1994-03-24 Pressiometer mit zwei Piezometer
DE1994624787 DE69424787T2 (de) 1994-03-24 1994-03-24 Pressiometer mit zwei Piezometer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9211210A FR2696003B1 (fr) 1992-09-21 1992-09-21 Procédé et dispositif pour mesurer des caractéristiques mécaniques du sol.
EP94400638A EP0705941B1 (de) 1992-09-21 1994-03-24 Pressiometer mit zwei Piezometer

Publications (2)

Publication Number Publication Date
EP0705941A1 true EP0705941A1 (de) 1996-04-10
EP0705941B1 EP0705941B1 (de) 2000-05-31

Family

ID=26137482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94400638A Expired - Lifetime EP0705941B1 (de) 1992-09-21 1994-03-24 Pressiometer mit zwei Piezometer

Country Status (2)

Country Link
EP (1) EP0705941B1 (de)
FR (1) FR2696003B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003029614A3 (en) * 2001-09-28 2003-10-30 Shell Int Research Tool and method for measuring properties of an earth formation surrounding a borehole
EP1256801A3 (de) * 2001-05-11 2003-11-05 Local Link international Limited Piezometrisches Gerät zur Messung des Erdbodenwasserdrucks
WO2011134028A1 (fr) 2010-04-30 2011-11-03 Khalil Fahny Iskander Procédé et dispositif de mesure des caractéristiques mécaniques du sol
CN114295810A (zh) * 2021-12-31 2022-04-08 深圳大学 一种室外土体蓄水能力的测量装置及其测量方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2303727A (en) * 1941-06-10 1942-12-01 Leslie A Douglas Means for testing underground strata for the fluid content thereof
FR2217484A1 (de) * 1973-02-09 1974-09-06 Stichting Waterbouwkundig Lab
US3858441A (en) * 1973-07-12 1975-01-07 Henri Jules Comeau Soil testing apparatus
US4408481A (en) * 1982-03-12 1983-10-11 The United States Of America As Represented By The Secretary Of The Air Force Pore pressure probe assembly and two-stage emplacement thereof
FR2631654A1 (fr) * 1988-05-19 1989-11-24 Rech Geolog Miniere Procede et appareil de mesure de la pression interstitielle dans un sol sature

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2303727A (en) * 1941-06-10 1942-12-01 Leslie A Douglas Means for testing underground strata for the fluid content thereof
FR2217484A1 (de) * 1973-02-09 1974-09-06 Stichting Waterbouwkundig Lab
US3858441A (en) * 1973-07-12 1975-01-07 Henri Jules Comeau Soil testing apparatus
US4408481A (en) * 1982-03-12 1983-10-11 The United States Of America As Represented By The Secretary Of The Air Force Pore pressure probe assembly and two-stage emplacement thereof
FR2631654A1 (fr) * 1988-05-19 1989-11-24 Rech Geolog Miniere Procede et appareil de mesure de la pression interstitielle dans un sol sature

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1256801A3 (de) * 2001-05-11 2003-11-05 Local Link international Limited Piezometrisches Gerät zur Messung des Erdbodenwasserdrucks
WO2003029614A3 (en) * 2001-09-28 2003-10-30 Shell Int Research Tool and method for measuring properties of an earth formation surrounding a borehole
WO2011134028A1 (fr) 2010-04-30 2011-11-03 Khalil Fahny Iskander Procédé et dispositif de mesure des caractéristiques mécaniques du sol
DE112011101504T5 (de) 2010-04-30 2013-11-28 Khalil ISKANDER Verfahren und Vorrichtung zur Messung der Bodenmechanischen Eigenschaften
CN114295810A (zh) * 2021-12-31 2022-04-08 深圳大学 一种室外土体蓄水能力的测量装置及其测量方法

Also Published As

Publication number Publication date
FR2696003B1 (fr) 1995-03-03
FR2696003A1 (fr) 1994-03-25
EP0705941B1 (de) 2000-05-31

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