CH216902A - Process for the production of a concrete containing fibrous substances. - Google Patents
Process for the production of a concrete containing fibrous substances.Info
- Publication number
- CH216902A CH216902A CH216902DA CH216902A CH 216902 A CH216902 A CH 216902A CH 216902D A CH216902D A CH 216902DA CH 216902 A CH216902 A CH 216902A
- Authority
- CH
- Switzerland
- Prior art keywords
- substances
- fibrous
- lime
- binder
- added
- Prior art date
Links
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
- C04B20/00—Use 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
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Description
Verfahren zur Herstellung eines faserhaltige Stoffe enthaltenden Betons. Die Erfindung betrifft ein Verfahren zur Herstellung eines faserhaltige Stoffe ent haltenden Betons, welcher z. B. für die Her stellung von leichten und isolierenden Plat ten und andern Bauelementen verwendet werden kann. Es ist bekannt, die zur Her stellung solchen Betons verwendeten faser haltigen Stoffe zu mineralisieren, das heisst gegen äussere Einflüsse widerstandsfähiger zu gestalten. Jedoch hat sieh gezeigt, dass je nach den zur Behandlung des faserhaltigen Materials verwendeten Zusatzstoffen ein der art hergestellter Beton für beispielsweise in ihm verlegte Wasserleitungen, für metallische Befestigungsmittel etc. oxydierend wirkt.
Ausserdem ist die Haftung des Bindemittels an solchen mineralisierten, faserhaltigen Stoffen unvollständig und die Ilerstellungs- verfahren erfordern eine Wärme- und Druck behandlung, was kostspielige Fabrikations anlagen ergibt; ferner sind lange Verfor- mungsdauern der mit solchem Beton herge stellten Bauelemente erforderlich.
Mit dem erfindungsgemässen Verfahren werden diese Nachteile dadurch umgangen, dass zur Herstellung des Betons die faser- haltigen Stoffe mit Aluminiumsulfatlösung und Kalkmilch vorbehandelt und darauf mit einem Bindemittel vermischt werden. Die Be handlung .der faserhaltigen Stoffe mit Alu- miniumsulfatlösung bewirkt, dass diese Stoffe in ganz kurzer Zeit durchtränkt und aufge weicht werden. Die Kalkmilch vervollständigt die Imprägnation der faserhaltigen Stoffe.
Diese werden infolge dieser Behandlung widerstandsfähig gegen Fäulnis, gegen An griff von Insekten und wirken feuerhemmend.
Als faserhaltige Stoffe können pflanzliche Stoffe, wie z. B. Holzabfälle, Hobelspäne, Holzwolle, !\dachfasern, Stroh und dergI., so wie tierische Fasern, z. B. Tierhaare, oder eine Mischung von pflanzlichen, faserhaltigen Stoffen und tierischen Fasern verwendet werden.
Geeignete Bindemittel sind: Zement, Gips, hydraulischer Kalk, Weisskalk, oder eine Mischung einzelner dieser Stoffe, z. B. Zement und Kalk: das Bindemittel kann wenigstens zum Teil auch aus Abfallkalk, z. B. aus Karbidschlamm der Azetylengas fabrikation bestehen.
Zweckmässigerweise werden der Beton- mischung Zuschläge beigegeben, und als solche kommen Sand, Schlacke, Ziegelschrot, Tuff, Bims, Kunstbims und dergl. in Be tracht.
Zur Verminderung des Volumengewichtes wird dem Betongemisch zweckmässig eine ge ringe Menge Wasserstoffperoxyd und Man- 21 in Suspension zugefügt:.
Das Verfahren kann beispielsweise wie folgt durchgeführt werden: <B>2</B>0 Volumenteilen Hobelspänen wird 1 Volumenteil Aluminiumsulfatlösung von 10 " 8e beigefügt. Nach gleichmässiger Durch tränkung wird 1 Volumenteil Kalkmilch zu gefügt. Dem so vorbehandelten faserhaltigen Material werden 6 Volumenteile Zement. Sand und Wasser beigemengt und nach voll ständiger Durchmischung kann der so herge stellte Beton zu Formkörpern verarbeitet werden.
Process for the production of a concrete containing fibrous substances. The invention relates to a method for producing a fibrous materials ent containing concrete, which z. B. for the manufacture of lightweight and insulating Plat th and other components can be used. It is known to mineralize the fibrous materials used to manufacture such concrete, that is to say to make them more resistant to external influences. However, it has been shown that, depending on the additives used to treat the fiber-containing material, a concrete produced in this way has an oxidizing effect on, for example, water pipes laid in it, for metallic fasteners, etc.
In addition, the adhesion of the binder to such mineralized, fiber-containing substances is incomplete and the Ilerstellungs- process require a heat and pressure treatment, which results in expensive manufacturing plants; Furthermore, long deformation times are required for the structural elements made with such concrete.
With the method according to the invention, these disadvantages are avoided by pretreating the fiber-containing substances with aluminum sulfate solution and milk of lime and then mixing them with a binding agent to produce the concrete. The treatment of the fibrous materials with an aluminum sulphate solution causes these materials to be soaked and softened in a very short time. The milk of lime completes the impregnation of the fibrous substances.
As a result of this treatment, these become resistant to decay and attack by insects and are fire-retardant.
As fibrous substances, vegetable substances such as. B. wood waste, wood shavings, wood wool,! \ Roof fibers, straw and the like., As well as animal fibers, z. B. animal hair, or a mixture of vegetable, fibrous substances and animal fibers can be used.
Suitable binders are: cement, gypsum, hydraulic lime, white lime, or a mixture of some of these substances, e.g. B. cement and lime: the binder can at least partly also consist of waste lime, e.g. B. made of carbide sludge of acetylene gas manufacture.
Conveniently, aggregates are added to the concrete mixture, and sand, slag, crushed brick, tuff, pumice, synthetic pumice and the like come into consideration.
To reduce the volume weight, a small amount of hydrogen peroxide and man-21 in suspension is expediently added to the concrete mix.
The process can be carried out, for example, as follows: <B> 2 </B> 0 parts by volume of wood shavings 1 part by volume of aluminum sulfate solution of 10 "8e is added. After evenly soaking, 1 part by volume of milk of lime is added. The fibrous material thus pretreated becomes 6 parts by volume of cement Sand and water are added and, after thorough mixing, the concrete produced in this way can be processed into molded bodies.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH216902T | 1939-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH216902A true CH216902A (en) | 1941-09-30 |
Family
ID=4449834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH216902D CH216902A (en) | 1939-06-01 | 1939-06-01 | Process for the production of a concrete containing fibrous substances. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH216902A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436117A1 (en) * | 1978-09-12 | 1980-04-11 | Nisole Henri | Imitation wood compsn. contg. milled peat or turf - plus quicklime and aluminium sulphate, and moulded under pressure to make imitation planks etc. |
EP0105154A1 (en) * | 1982-08-25 | 1984-04-11 | Fulgurit GmbH & Co. Kommanditgesellschaft | Building materials with inorganic binders |
FR2737719A1 (en) * | 1995-08-07 | 1997-02-14 | Burgand Yves | Organomineral paste for use as construction materials - comprising a mixture of recycled cellulose suspension, lime, aqueous sulphate solution and hydrogen peroxide |
WO2004018379A1 (en) * | 2002-08-23 | 2004-03-04 | Bki Holding Corporation | Cementitious material reinforced with chemically treated cellulose fiber |
US7790278B2 (en) | 2003-08-29 | 2010-09-07 | Buckeye Technologies Inc. | System for delivery of fibers into concrete |
-
1939
- 1939-06-01 CH CH216902D patent/CH216902A/en unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2436117A1 (en) * | 1978-09-12 | 1980-04-11 | Nisole Henri | Imitation wood compsn. contg. milled peat or turf - plus quicklime and aluminium sulphate, and moulded under pressure to make imitation planks etc. |
EP0105154A1 (en) * | 1982-08-25 | 1984-04-11 | Fulgurit GmbH & Co. Kommanditgesellschaft | Building materials with inorganic binders |
FR2737719A1 (en) * | 1995-08-07 | 1997-02-14 | Burgand Yves | Organomineral paste for use as construction materials - comprising a mixture of recycled cellulose suspension, lime, aqueous sulphate solution and hydrogen peroxide |
WO2004018379A1 (en) * | 2002-08-23 | 2004-03-04 | Bki Holding Corporation | Cementitious material reinforced with chemically treated cellulose fiber |
EP3418264A1 (en) * | 2002-08-23 | 2018-12-26 | GP Cellulose GmbH | Cementitious material reinforced with chemically treated cellulose fiber |
US7790278B2 (en) | 2003-08-29 | 2010-09-07 | Buckeye Technologies Inc. | System for delivery of fibers into concrete |
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