FR2490719A1 - Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate - Google Patents

Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate Download PDF

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Publication number
FR2490719A1
FR2490719A1 FR8117621A FR8117621A FR2490719A1 FR 2490719 A1 FR2490719 A1 FR 2490719A1 FR 8117621 A FR8117621 A FR 8117621A FR 8117621 A FR8117621 A FR 8117621A FR 2490719 A1 FR2490719 A1 FR 2490719A1
Authority
FR
France
Prior art keywords
hemihydrate
sulfate
alpha
sulphate
beta
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
FR8117621A
Other languages
English (en)
French (fr)
Other versions
FR2490719B1 (de
Inventor
Friedrich Bassier
Fritz Adrian
Dieter Deuster
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/fr
Application granted granted Critical
Publication of FR2490719B1 publication Critical patent/FR2490719B1/fr
Granted legal-status Critical Current

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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)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR8117621A 1980-09-20 1981-09-18 Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate Granted FR2490719A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803035590 DE3035590A1 (de) 1980-09-20 1980-09-20 Blasversatz von (alpha) -sulfathalbhydrat und/oder (beta) -sulfathalbhydrat

Publications (2)

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

Family

ID=6112475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117621A Granted FR2490719A1 (fr) 1980-09-20 1981-09-18 Procede de remblayage pneumatique au moyen d'alpha-sulfate-semi-hydrate et/ou de beta-sulfate-semi-hydrate

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3806854A1 (de) * 1988-03-03 1989-09-14 Knauf Westdeutsche Gips Verfahren zur herstellung eines belegereifen estrichs aus fliessestrichmasse

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2216039C3 (de) * 1972-04-01 1981-09-17 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Hydraulisch abbindendes Material für Ausbauzwecke im Bergbau
DE2906230A1 (de) * 1979-02-17 1980-08-28 Steag Ag Verfahren zur beseitigung des rueckstandes der abgaswaesche von feuerungen, insbesondere von steinkohlenkraftwerken

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Néant. *

Also Published As

Publication number Publication date
FR2490719B1 (de) 1985-02-08
ZA815367B (en) 1982-08-25
AU7550581A (en) 1982-04-01
GB2084130B (en) 1984-07-04
GB2084130A (en) 1982-04-07
DE3035590A1 (de) 1982-05-06
DE3035590C2 (de) 1990-06-28
AU548565B2 (en) 1985-12-19

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TP Transmission of property
ST Notification of lapse