DE60237953D1 - Verfahren zur Messung der Feuchtigkeit in Zement mit Hilfe eines elektromagnetischen Feldes - Google Patents

Verfahren zur Messung der Feuchtigkeit in Zement mit Hilfe eines elektromagnetischen Feldes

Info

Publication number
DE60237953D1
DE60237953D1 DE60237953T DE60237953T DE60237953D1 DE 60237953 D1 DE60237953 D1 DE 60237953D1 DE 60237953 T DE60237953 T DE 60237953T DE 60237953 T DE60237953 T DE 60237953T DE 60237953 D1 DE60237953 D1 DE 60237953D1
Authority
DE
Germany
Prior art keywords
electromagnetic field
cement
measuring moisture
moisture content
techniques
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.)
Expired - Lifetime
Application number
DE60237953T
Other languages
English (en)
Inventor
Aulis Kaeppi
Mikko Henriksson
Erik Nordenswan
Olavi Kuosmanen
Pekko Ristola
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.)
Consolis Technology Oy AB
Original Assignee
Consolis Technology Oy AB
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
Application filed by Consolis Technology Oy AB filed Critical Consolis Technology Oy AB
Application granted granted Critical
Publication of DE60237953D1 publication Critical patent/DE60237953D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383—Concrete or cement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B28C7/022—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component
    • B28C7/024—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component by measuring properties of the mixture, e.g. moisture, electrical resistivity, density
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G01N22/04—Investigating moisture content
    • 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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/24—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by observing the transmission of wave or particle radiation through the material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • G01N9/36—Analysing materials by measuring the density or specific gravity, e.g. determining quantity of moisture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Sampling And Sample Adjustment (AREA)
DE60237953T 2001-10-31 2002-10-28 Verfahren zur Messung der Feuchtigkeit in Zement mit Hilfe eines elektromagnetischen Feldes Expired - Lifetime DE60237953D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20012106A FI120604B (fi) 2001-10-31 2001-10-31 Menetelmä sähköisiin ominaisuuksiin tai elektromagneettiseen aaltoliikkeeseen perustuvan kosteusmittauksen tarkkuuden parantamiseksi

Publications (1)

Publication Number Publication Date
DE60237953D1 true DE60237953D1 (de) 2010-11-25

Family

ID=8562157

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60237953T Expired - Lifetime DE60237953D1 (de) 2001-10-31 2002-10-28 Verfahren zur Messung der Feuchtigkeit in Zement mit Hilfe eines elektromagnetischen Feldes

Country Status (5)

Country Link
EP (1) EP1308725B1 (de)
AT (1) ATE484743T1 (de)
DE (1) DE60237953D1 (de)
DK (1) DK1308725T3 (de)
FI (1) FI120604B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036056A1 (de) * 2005-08-01 2007-02-08 Gerhard Wohlfarth Vorrichtung und Verfahren zur Einsparung von Wasser und dadurch Zement bei der Herstellung von Beton
EP2977163B1 (de) 2013-01-11 2019-03-13 GCP Applied Technologies Inc. Betonmischungsmesssensor und -verfahren
DE202013102514U1 (de) * 2013-06-11 2013-06-17 Vega Grieshaber Kg Füllstandmessgerät zur Feuchtigkeitsbestimmung
CN109732782A (zh) * 2019-03-06 2019-05-10 武汉理工大学 一种混凝土含水率在线监控系统及监控方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186952A (en) * 1978-07-27 1980-02-05 Keystone Consolidated Industries, Inc. Turn button latch
US5025954A (en) 1990-02-01 1991-06-25 Hamburger Color Company Multi-components measuring and dispensing system
JP3593377B2 (ja) * 1995-01-31 2004-11-24 全国生コンクリート工業組合連合会 コンクリート用細骨材の含水率測定方法およびその含水率測定に用いる装置
JPH11211475A (ja) * 1998-01-23 1999-08-06 Kumagai Gumi Co Ltd 水平レベル保持装置
GB2359138B (en) 2000-02-12 2004-06-16 Stuart Ian Jackman Method and apparatus for monitoring adsorbed water
FI20002280A (fi) * 2000-10-16 2002-04-17 Addtek Res & Dev Oy Ab Menetelmä ja laitteisto granulaarisen materiaalin kosteuspitoisuuden ja työstettävyyden määrittämiseksi

Also Published As

Publication number Publication date
DK1308725T3 (da) 2011-01-10
EP1308725B1 (de) 2010-10-13
ATE484743T1 (de) 2010-10-15
EP1308725A1 (de) 2003-05-07
FI20012106A0 (fi) 2001-10-31
FI20012106A (fi) 2003-05-01
FI120604B (fi) 2009-12-15

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