FR2504912A1 - MASSES TO BE DESIGNED TO CONSOLIDATE THE FRESHLY HOLLOW FIELD, PREFERABLY FOR MINING GALLERIES - Google Patents

MASSES TO BE DESIGNED TO CONSOLIDATE THE FRESHLY HOLLOW FIELD, PREFERABLY FOR MINING GALLERIES Download PDF

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Publication number
FR2504912A1
FR2504912A1 FR8207578A FR8207578A FR2504912A1 FR 2504912 A1 FR2504912 A1 FR 2504912A1 FR 8207578 A FR8207578 A FR 8207578A FR 8207578 A FR8207578 A FR 8207578A FR 2504912 A1 FR2504912 A1 FR 2504912A1
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France
Prior art keywords
coal
mass
masses
approximately
anhydrite
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.)
Pending
Application number
FR8207578A
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French (fr)
Inventor
Heinz Holter
Heinrich Igelbuscher
Heinrich Gresch
Heribert Dewert
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Individual
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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 claimed from DE19813117436 external-priority patent/DE3117436A1/en
Priority claimed from DE19813124001 external-priority patent/DE3124001A1/en
Application filed by Individual filed Critical Individual
Publication of FR2504912A1 publication Critical patent/FR2504912A1/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
    • C04B18/062—Purification products of smoke, fume or exhaust-gases
    • C04B18/064—Gypsum
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions 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 hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions 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
    • C04B28/16—Compositions 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 containing anhydrite, e.g. Keene's cement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/001—Improving soil or rock, e.g. by freezing; Injections
    • E21D9/002—Injection methods characterised by the chemical composition used
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation materials
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Soil Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Treating Waste Gases (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

LA PRESENTE INVENTION CONCERNE UNE MASSE A PROJETER QUI SATISFAIT NON SEULEMENT A DES CONDITIONS ETABLIES, MAIS QUI CONTIENT EN GRANDE PARTIE COMME CHARGES DES DECHETS QUI NE SONT PAS TOXIQUES MAIS QUI DE TOUTES FACONS SONT INUTILISES. CETTE MASSE EST CONSTITUEE PAR 60 DE GYPSE PROVENANT PAR EXEMPLE DES INSTALLATIONS DE DESULFURATION DES GAZ DE FUMEES DES CENTRALES AU CHARBON OU AU MAZOUT; ENVIRON 11 D'ANHYDRITE; ENVIRON 15 DE POUSSIERES D'ELECTROFILTRES PROVENANT EGALEMENT DES CENTRALES AU CHARBON; ENVIRON 3 DE FIBRES DE LAINE MINERALE; ENVIRON 11 DE CIMENT; ENVIRON 2,5 DE CHLORURE DE CALCIUM DIHYDRATE QUI EST DE PREFERENCE EXTRAIT DES INSTALLATIONS DE DESULFURATION DES GAZ DE FUMEES DES CENTRALES AU CHARBON. POUR OBTENIR EN QUELQUES MINUTES UNE RESISTANCE DES TERRAINS FRAICHEMENT CREUSES DANS UNE ZONE, DE PREFERENCE SUPERIEURE A 70DANCM, ON PROPOSE D'UTILISER DANS LA MASSE COMME ANHYDRITE DE L'ANHYDRITE SYNTHETIQUE. ON PEUT AJOUTER A LA MASSE ENVIRON 2,5 DE CHLORURE DE CALCIUM DIHYDRATE AINSI QUE 0,3 A 2 DE STEARATES, DE PREFERENCE DU TRISTEARATE D'ALUMINIUM. UTILISATION DE CETTE MASSE POUR CONSOLIDER LE TERRAIN FRAICHEMENT CREUSE, DE PREFERENCE APRES LE PERCEMENT DES GALERIES DE MINES.THE PRESENT INVENTION RELATES TO A MASS TO BE PROJECTED WHICH NOT ONLY MEET ESTABLISHED CONDITIONS, BUT WHICH CONTAIN A LARGE PART AS LOADS OF WASTE WHICH IS NOT TOXIC BUT WHICH IN ANY WAY IS UNUSED. THIS MASS IS CONSTITUTED BY 60 OF GYPSUM COMING FOR EXAMPLE FROM FUME GAS DESULFURATION INSTALLATIONS OF COAL OR OIL FUEL POWER PLANTS; APPROXIMATELY 11 OF ANHYDRITE; APPROXIMATELY 15 OF ELECTROFILTER DUST ALSO FROM COAL PLANTS; APPROXIMATELY 3 MINERAL WOOL FIBERS; APPROXIMATELY 11 OF CEMENT; APPROXIMATELY 2.5 OF CALCIUM CHLORIDE DIHYDRATE WHICH IS PREFERREDLY EXTRACTED FROM FUME GAS DESULFURATION PLANTS OF COAL POWER PLANTS. TO OBTAIN RESISTANCE IN A FEW MINUTES OF FRESHLY HOLLOW GROUND IN AN AREA, PREFERRED THAN 70DANCM, WE PROPOSE TO USE SYNTHETIC ANHYDRITE IN THE MASS AS AN ANHYDRITE. APPROXIMATELY 2.5 CALCIUM CHLORIDE DIHYDRATE AS WELL AS 0.3 TO 2 STEARATES, PREFERABLY ALUMINUM TRISTEARATE, CAN BE ADDED TO THE MASS. USE OF THIS MASS TO CONSOLIDATE THE FRESHLY HOLLOW GROUND, PREFERABLY AFTER THE DRILLING OF THE MINE GALLERIES.

Description

254491;254491;

Passes à projeter pour consolider le terrain  Plans to consolidate the terrain

fraîchement creusé, de préférence pour les galeries de mines.  freshly dug, preferably for mine galleries.

On sait que, en particulier, les galeries d'abattage dans les mines souterraines sont revêtues par ce que l'on appelle gunitage immédiatement après le percement effectué soit par la technique de sautage, soit par des haveuses, avec une masse à projeter, de préférence constituée par un mélange  It is known that, in particular, slaughter galleries in underground mines are coated with what is called gunning immediately after the piercing is carried out either by the blasting technique, or by shearers, with a mass to be sprayed, of preferably constituted by a mixture

de ciment et de sable.cement and sand.

En outre, il est connu d'utiliser des masses à projeter en matière synthétique qui doivent servir également  In addition, it is known to use plastic spraying masses which must also be used

à consolider le terrain fraîchement creusé.  to consolidate the freshly dug ground.

Egalement, des masses à projeter constituées par un  Also, masses to project constituted by a

mélange de ciment et de sable, sont connues.  mixture of cement and sand, are known.

Ces masses à projeter connues présentent l'incon-  These known projection masses have the inconvenience

vénient de ne pas permettre d'obtenir une résistance suffisam-  to avoid allowing sufficient resistance to be

ment élevée et par ailleurs les masses à projeter, même en ajoutant des matières de types divers, telles que les fils d'acier, les fibres de matière synthétique ou les fibres de verre, ne sont pas suffisamment élastiques pour éviter un éboulement Les masses à projeter en matière synthétique sont en outre relativement onéreuses et ne sont pas sûres en cas  the masses to be sprayed, even by adding materials of various types, such as steel wires, synthetic fibers or glass fibers, are not sufficiently elastic to prevent a landslide. projecting synthetic material are also relatively expensive and are not safe in case

d'incendie dans le sens des conditions établies.  fire in the sense of the established conditions.

Par conséquent, un objet de la présente invention est  Therefore, an object of the present invention is

la fabrication d'une masse à projeter qui satisfasse spécifi-  the manufacture of a mass to be sprayed which satisfies

quement aux conditions et qui contienne en grande partie, comme charges, encore des déchets qui sont parfaits du point de  conditions, and which contains, for the most part, as charges, waste which is perfect from the point of view of

vue toxicité et qui doivent être éliminés.  view toxicity and which must be eliminated.

Pour réaliser cet objet, la présente invention propose d'utiliser un mélange qui est constitué par:  To achieve this object, the present invention proposes to use a mixture which consists of:

1 environ 60 % de gypse provenant par exemple des instal-  About 60% of gypsum from, for example,

lations de désulfuration des gaz de fumées des centrales au charbon ou des centrales aumazout; 2 environ 11 % d'anhydrite; 3 environ 15 % de cendres d'électrofiltre provenant des centrales au charbon; 4 environ 3 % de laine minérale; environ 11 % de ciment;  flue gas desulphurization of coal-fired power plants or coal-fired power plants; 2 about 11% anhydrite; 3 about 15% electro-filter ash from coal-fired power plants; 4 about 3% mineral wool; about 11% cement;

6 environ 2,5 % de chlorure de calcium dihydraté, de pré-  About 2.5% calcium chloride dihydrate,

férence extrait du concentré de lavage de désulfuration  extracted from the desulfurization washing concentrate

des gaz de fumées.flue gases.

Selon la présente invention, il a été trouvé qu'on obtenait une résistance en ajoutant simultanément ces matières dans une technique courante de projection au moyen desmachines à projeter rotatives, résistance qui déjà après cinq minutes satisfait à la condition du problème concernant la protection  According to the present invention, it has been found that resistance is obtained by simultaneously adding these materials in a common projection technique by means of rotary spinning machines, which resistance already after five minutes satisfies the condition of the protection problem.

du terrain attenant.adjoining land.

En outre, en ajoutant du chlorure de calcium également selon la présente invention, on obtient un mélange à projeter presque sans poussière, qui est très précieux pour la zone souterraine et qui, en plus de la fixation des poussières, contribue simultanément et tout particulièrement à ce que la  In addition, by adding calcium chloride also according to the present invention, there is obtained an almost dust-free spraying mixture, which is very valuable for the underground zone and which, in addition to the fixing of dust, contributes simultaneously and particularly to what the

masse appliquée soit déjà en état de former un support.  mass applied is already able to form a support.

Pour obtenir la résistance dans les terrains fraîchement creusés, en quelques minutes, de l'ordre de préférence supérieur à 70 da N/cm, selon la présente invention, il est en outre proposé d'utiliser une masse à projeter dans laquelle au lieu  In order to obtain the resistance in freshly excavated soil, in a few minutes, preferably in the order of 70 daN / cm, according to the present invention, it is furthermore proposed to use a spray mass in which

d'ajouter des fibres de laine minérale, sont ajoutés aux ad-  to add mineral wool fibers, are added to the addi-

ditifs mentionnés précédemment, par exemple, des fibres de verre et/ou des fils d'acieride l'anhydride naturel selon la présente invention, de préférence de l'anhydrite synthétique  aforesaid, for example, glass fibers and / or steel strands the natural anhydride according to the present invention, preferably synthetic anhydrite

ainsi que des stéarates, de préférence du tristéarate d'alu-  as well as stearates, preferably aluminum tristearate

minium.minium.

Pour les propriétés spécifiques et nécessaires de con-  For the specific and necessary properties of

solidation du terrain fraîchement creusé, ce stéarate confère  solidification of the freshly dug ground, this stearate confers

un effet de support prématuré.a premature support effect.

Ci-après, est détaillé, selon l'invention, ce mélange complémentaire.  Hereinafter, is detailed, according to the invention, this complementary mixture.

Les stéarates, de préférence le tristéarate d'alumi-  Stearates, preferably aluminum tristearate,

nium, apportent l'avantage nécessaire désiré.  nium, provide the desired necessary benefit.

Le mélange du stéarate spécifique indiqué ou le mélange de divers stéarates, ne doit être utilisé selon la présente  The mixture of the specified stearate or the mixture of various stearates should only be used in accordance with this

invention, que dans la gamme de 0,3 à 2 %, car selon l'inven-  invention, only in the range of 0.3 to 2%, since according to the invention

tion, cette gamme de mélange exacte garantit les propriétés  This exact mixing range guarantees the properties

250 4912250 4912

spécifiques et nécessaires pour le matériau de consolidation  specific and necessary for the consolidation material

des galeries.galleries.

Il a été découvert que le tristéarate d'aluminium avec ses propriétés particulières, donne des résistances à la 'flexion, à la traction et à la pression qu'on a obtenue jusqu'ici seulement avec des additifs chers, comme la résine d'époxyde et les gypses alpha, ces résines d'époxyde n'étant admises que par nécessité pour la mine souterraine, car elles entraînent un risque pour l'équipe d'ouvriers en cas d'incendie,  It has been discovered that aluminum tristearate with its particular properties gives resistance to flexion, tensile and pressure that has hitherto been obtained only with expensive additives, such as epoxy resin. and the alpha gypsum, these epoxy resins being only admitted by necessity for the underground mine, because they involve a risk for the team of workers in case of fire,

îO et le formaldéhyde dansles résines entraîne également une pol-  and formaldehyde in the resins also causes

lution du lieu de travail, dufait de son émanation constante.  the work place, from its constant emanation.

Par conséquent, le prix des masses à projeter selon l'invention  Therefore, the price of the masses to be sprayed according to the invention

ne s'élève qu'à une fraction de celui des masses de consoli-  only a fraction of that of the masses of

dation connues jusqu'ici, comportant des résines de liaison.  hitherto known, having binding resins.

Le mélange conforme à la présente invention est décrit ci-après: 1 environ 60 % de gypse, de préférence provenant de la désulfuration des gaz de fumées des centrales au charbon  The mixture according to the present invention is described below: about 60% of gypsum, preferably from the desulphurization of flue gas from coal-fired power plants

ou au mazout, ou bien des installations pour la purifi-  or oil, or facilities for the purification

cation des gaz d'autres dispositifs de combustion; 2 environ il % d'anhydrite, de préférence d'anhydrite synthétique; 3 environ 15 % de poussière d'électrofiltre, également provenant de préférence des centrales au charbon; 4 environ 3 % de matières renforçantes du type fibres; environ 1 l % de ciment de bonne qualité "PZ 450 F" et/ou  cation of gases from other combustion devices; About 2% anhydrite, preferably synthetic anhydrite; About 15% of electrostatic precipitator dust, also preferably from coal-fired power plants; About 3% reinforcing materials of the fiber type; about 1% of good quality cement "PZ 450 F" and / or

"PZ 550 F", "PZ 600 F";"PZ 550 F", "PZ 600 F";

6 environ 2,5 % de chlorure de calcium dihydraté, qui est  6 about 2.5% calcium chloride dihydrate, which is

de préférence extrait après les installations de désul-  preferably extracted after the desul-

furation des gaz de fumées des centrales au charbon ou au mazout; 7 0,3 à 2 % de stéarates ou de leurs mélanges, de préférence  flue gas firing from coal or oil fired power plants; 7 0.3 to 2% stearates or mixtures thereof, preferably

du tristéarate d'aluminium.aluminum tristearate.

Claims (4)

REVENDICATIONS 1 Masses à projeter, de préférence pourla consolida- tion du terrain attenant après le percement de galeries de mines, caractérisées par le fait qu'elles sont constituées par:CLAIMS 1 Projection masses, preferably for the consolidation of the adjoining land after the drilling of mine galleries, characterized in that they consist of: 1 environ 60 % de gypse provenant de préférence des instal-  About 60% of gypsum preferably comes from lations de désulfuration des gaz de fumées des centrales au charbon ou au mazout; 2 environ 11 % d'anhydrite;  flue gas desulphurization from coal or oil fired power plants; 2 about 11% anhydrite; 3 environ 15 % de poussière d'électrofiltre provenant éga-  3 about 15% of electrostatic precipitator dust also lement de préférence des centrales au charbon; 4 environ 3 % de fibres de laine minérale; environ 11 % de ciment; 6 environ 2,5 % de chlorure de calcium dihydraté qui est de préférence extrait des installations de désulfuration  preferably coal-fired power plants; 4 about 3% mineral wool fibers; about 11% cement; About 2.5% of calcium chloride dihydrate which is preferably extracted from desulphurization plants des gaz de fumées des centrales au charbon.  flue gases from coal plants. 2 Masses à projeter selon la revendication 1, carac-  2 Spray masses according to claim 1, characterized térisées par le fait qu'une résistance dans une zone de trac-  the fact that resistance in a tracing zone tion par flexion, de préférence supérieure à 70 da N/cm,est obtenue en quelques minutes avec une masse qui est constituée par environ 60 % de gypse, de préférence provenant de la désulfuration des gaz de fumées des centrales au charbon ou au mazout ou bien des installations pour la purification  bending, preferably greater than 70 daN / cm, is obtained in a few minutes with a mass which consists of about 60% of gypsum, preferably from the desulphurization of flue gas from coal or oil-fired power plants or many facilities for purification des gaz d'autres dispositifs de combustion.  gases from other combustion devices. 3 Masses à projeter selon les revendications 1 ou 2,  3 Spray masses according to claims 1 or 2, caractérisées parle fait que la fraction anhydrite dans la  characterized by the fact that the anhydrite fraction in the masse est l'anhydrite synthétique.mass is synthetic anhydrite. 4 Masses à projeter selon l'une quelconque des reven-  4 Projection masses according to any one of the dications 1 à 3, caractérisées par le fait qu'on ajoute aux  from 1 to 3, characterized by the fact that masses environ 2,5 % de calcium dihydraté.  masses about 2.5% calcium dihydrate. Masses à projeter selon l'une quelconque des reven- dications 1 à 4, caractérisées par le fait qu'on ajoute aux masses 0,3 à 2 % de stéarates, de préférence du tristéarate d'aluminium.  Spraying masses according to any one of Claims 1 to 4, characterized in that 0.3 to 2% of stearates, preferably aluminum tristearate, are added to the masses.
FR8207578A 1981-05-02 1982-04-30 MASSES TO BE DESIGNED TO CONSOLIDATE THE FRESHLY HOLLOW FIELD, PREFERABLY FOR MINING GALLERIES Pending FR2504912A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813117436 DE3117436A1 (en) 1981-05-02 1981-05-02 Gunning compounds for consolidating freshly cut rock, preferably for mining galleries
DE19813124001 DE3124001A1 (en) 1981-06-19 1981-06-19 Injection compositions for the consolidation of freshly cut rock, preferably for mining tunnels, having early-bearing flexural, tensile and compressive strength

Publications (1)

Publication Number Publication Date
FR2504912A1 true FR2504912A1 (en) 1982-11-05

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ID=25793001

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Application Number Title Priority Date Filing Date
FR8207578A Pending FR2504912A1 (en) 1981-05-02 1982-04-30 MASSES TO BE DESIGNED TO CONSOLIDATE THE FRESHLY HOLLOW FIELD, PREFERABLY FOR MINING GALLERIES

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Country Link
FR (1) FR2504912A1 (en)
GB (1) GB2097776B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578831B1 (en) * 1985-03-15 1990-04-13 Weber Sa A PROCESS FOR FAST CURING OF NATURAL ANHYDRITE
CN104790958B (en) * 2015-04-01 2017-06-09 北京科技大学 A kind of anti-prominent green safety high efficient driving method of anaerobic for protruding coal road

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2301492A2 (en) * 1975-02-20 1976-09-17 Iu Conversion Systems Cement grout obtd. from gas washing muds - uses lime and limestone added for washing and fly ash in the gas
GB1476126A (en) * 1974-05-28 1977-06-10 Copeland W Composition for the construction of buildings
DE2903515A1 (en) * 1978-01-31 1979-08-02 Rhone Poulenc Ind METHOD FOR PRODUCING PLASTER COMPONENTS
EP0021180A1 (en) * 1979-06-09 1981-01-07 Ruhrkohle Aktiengesellschaft Process for the elimination and economical usage of the residue produced by washing furnace exhaust gas in connection with waste products
DE3113714A1 (en) * 1981-03-14 1982-11-25 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Dam-building materials for underground mining

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476126A (en) * 1974-05-28 1977-06-10 Copeland W Composition for the construction of buildings
FR2301492A2 (en) * 1975-02-20 1976-09-17 Iu Conversion Systems Cement grout obtd. from gas washing muds - uses lime and limestone added for washing and fly ash in the gas
DE2903515A1 (en) * 1978-01-31 1979-08-02 Rhone Poulenc Ind METHOD FOR PRODUCING PLASTER COMPONENTS
EP0021180A1 (en) * 1979-06-09 1981-01-07 Ruhrkohle Aktiengesellschaft Process for the elimination and economical usage of the residue produced by washing furnace exhaust gas in connection with waste products
DE3113714A1 (en) * 1981-03-14 1982-11-25 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Dam-building materials for underground mining

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Publication number Publication date
GB2097776B (en) 1985-07-24
GB2097776A (en) 1982-11-10

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