FR2490719B1 - - Google Patents

Info

Publication number
FR2490719B1
FR2490719B1 FR8117621A FR8117621A FR2490719B1 FR 2490719 B1 FR2490719 B1 FR 2490719B1 FR 8117621 A FR8117621 A FR 8117621A FR 8117621 A FR8117621 A FR 8117621A FR 2490719 B1 FR2490719 B1 FR 2490719B1
Authority
FR
France
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
Application number
FR8117621A
Other languages
French (fr)
Other versions
FR2490719A1 (en
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.)
RAG AG
Original Assignee
Ruhrkohle AG
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 Ruhrkohle AG filed Critical Ruhrkohle AG
Publication of FR2490719A1 publication Critical patent/FR2490719A1/en
Application granted granted Critical
Publication of FR2490719B1 publication Critical patent/FR2490719B1/fr
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C04B28/145Calcium sulfate hemi-hydrate with a specific crystal form
    • C04B28/146Calcium sulfate hemi-hydrate with a specific crystal form alpha-hemihydrate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/10Coating or impregnating
    • C04B20/1055Coating or impregnating with inorganic materials
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00Methods or devices for placing filling-up materials in underground workings
    • E21F15/08Filling-up hydraulically or pneumatically
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR8117621A 1980-09-20 1981-09-18 PROCESS FOR PNEUMATIC BACKFILLING USING ALPHA-SULFATE-SEMI-HYDRATE AND / OR BETA-SULFATE-SEMI-HYDRATE Granted FR2490719A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803035590 DE3035590A1 (en) 1980-09-20 1980-09-20 BLOWING OFFSET OF (ALPHA) -SULFATHALBHYDRATE AND / OR (BETA) -SULFATHALBHYDRATE

Publications (2)

Publication Number Publication Date
FR2490719A1 FR2490719A1 (en) 1982-03-26
FR2490719B1 true FR2490719B1 (en) 1985-02-08

Family

ID=6112475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117621A Granted FR2490719A1 (en) 1980-09-20 1981-09-18 PROCESS FOR PNEUMATIC BACKFILLING USING ALPHA-SULFATE-SEMI-HYDRATE AND / OR BETA-SULFATE-SEMI-HYDRATE

Country Status (5)

Country Link
AU (1) AU548565B2 (en)
DE (1) DE3035590A1 (en)
FR (1) FR2490719A1 (en)
GB (1) GB2084130B (en)
ZA (1) ZA815367B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806854A1 (en) * 1988-03-03 1989-09-14 Knauf Westdeutsche Gips METHOD FOR PRODUCING A READY-ON SCREED FROM FLOATING SCREED

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216039C3 (en) * 1972-04-01 1981-09-17 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Hydraulically setting material for expansion purposes in mining
DE2906230A1 (en) * 1979-02-17 1980-08-28 Steag Ag Disposal of residue obtd. from waste gas washing plants - where residue is calcined to form beta calcium sulphate hemi:hydrate employed to reinforce tunnels in underground mines

Also Published As

Publication number Publication date
ZA815367B (en) 1982-08-25
AU7550581A (en) 1982-04-01
GB2084130A (en) 1982-04-07
AU548565B2 (en) 1985-12-19
GB2084130B (en) 1984-07-04
DE3035590A1 (en) 1982-05-06
DE3035590C2 (en) 1990-06-28
FR2490719A1 (en) 1982-03-26

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse