CH100659A - Process for the production of stone-like building elements. - Google Patents
Process for the production of stone-like building elements.Info
- Publication number
- CH100659A CH100659A CH100659DA CH100659A CH 100659 A CH100659 A CH 100659A CH 100659D A CH100659D A CH 100659DA CH 100659 A CH100659 A CH 100659A
- Authority
- CH
- Switzerland
- Prior art keywords
- stone
- production
- lime
- building elements
- mixed
- 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
- 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
- C04B28/10—Lime cements or magnesium oxide cements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Verfahren zur Herstellung von steinartigen Bauelementen. Gegenstand vorliegender Erfindung ist ein Verfahren zur Herstellung von stein artigen Bauelementen, zum. Beispiel Mauer stfinen. Es ist bekannt, .dass Kalk sich mit Alkalika.rbonaten sehr schnell, sogar unter Wasser, bindet. Deshalb konnte man bisher aus kalkhaltigen Mörtelbildern, Füllmitteln und einer Lösung von Alkalikarbonat nicht steinartige Bauelemente pressen, . weil die Bindung des Kalkes mit dem Alkalikarbonat schon vor Vollendung der Pressung eintrat.
Dies soll nun das Verfahren nach der vorliegenden Erfindung ermöglichen. Nach demselben wird zunächst ein Füllstoff, zum Beispiel Sand, Kies, zerkleinerte Schlacken, Asche usw., je nach Art des herzustellenden steinartigen Bauelementes mit einem kalk- lialtigen Mörtelbilder, zurr Beispiel Kalk oder Zement, trocken gemischt. Anderseits wird ein feines neutrales Pulver, zum Bei spiel Eisenhydroxyd, mit einer Lösung eines Alkalikarbonates, zum Beispiel Kalium karbonat oder Natriumkarbonat, so ange feuchtet, dass es eine schwach krümelige Masse bildet.
Diese beiden Massen werden gut durchgemischt, zu einem Bauelement ge formt und gepresst. Versuche ergaben, dass alsdann die Bindung des Kalkes mit dem Alkalikarbonat erst während der Pressung erfolgt. Dies dürfte dem Umstande zuzu schreiben sein, dass die Beimengung des neu tralen Pulvers nicht genügend Alkalikarbo- natlösung zum Kalk gelangen lässt. Durch den Druck tritt erst die Lösung aus dem neu tralen Pulver heraus, und steht alsdann ge nügend Lösung dem Kalk zur Verfügung zur Bindung und Erhärtung. <I>Beispiel</I> 1d Teile Sand, 2 \feile Zement und 1 Teil Kalk werden gemischt.
Ferner werden 2 Teile Eisenhydroxyd mit einer Kaliumkarbonat- lösung von etwa 20 % Gehalt angefeuchtet zu einer schwach krümeligen Masse. Die Gesamtmischung wird dann geformt und ge- -presst.
Je nach dem Verwendungszweck des stein artigen Bauelementes @ können die gegenseiti gen Verhältnisse der Stoffe zueinander ge ändert werden.
Process for the production of stone-like building elements. The present invention is a method for the production of stone-like components for. Example of a wall. It is known that lime binds very quickly with alkali carbonates, even under water. This is why it was previously not possible to press stone-like building elements from calcareous mortars, fillers and a solution of alkali carbonate. because the lime bond with the alkali carbonate occurred before the pressing was completed.
The method according to the present invention is intended to make this possible. After this, a filler, for example sand, gravel, crushed slag, ash, etc., depending on the type of stone-like building element to be produced, is dry mixed with a calcareous mortar, for example lime or cement. On the other hand, a fine, neutral powder, for example iron hydroxide, is moistened with a solution of an alkali carbonate, for example potassium carbonate or sodium carbonate, so that it forms a slightly crumbly mass.
These two materials are mixed thoroughly, shaped into a component and pressed. Tests have shown that the lime is then bound to the alkali carbonate only during pressing. This is probably due to the fact that the addition of the neutral powder does not allow sufficient alkali carbonate solution to reach the lime. As a result of the pressure, the solution first emerges from the neutral powder, and then sufficient solution is available for the lime to bind and harden. <I> Example </I> 1d part sand, 2 \ file cement and 1 part lime are mixed.
In addition, 2 parts of iron hydroxide are moistened with a potassium carbonate solution of about 20% content to form a slightly crumbly mass. The overall mixture is then shaped and pressed.
Depending on the intended use of the stone-like component @, the mutual conditions of the substances can be changed to one another.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH100659T | 1922-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH100659A true CH100659A (en) | 1923-08-01 |
Family
ID=4358945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH100659D CH100659A (en) | 1922-05-31 | 1922-05-31 | Process for the production of stone-like building elements. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH100659A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103194A1 (en) * | 1982-08-18 | 1984-03-21 | Mitsubishi Mining & Cement Co., Ltd. | Demolition agent for brittle materials |
-
1922
- 1922-05-31 CH CH100659D patent/CH100659A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103194A1 (en) * | 1982-08-18 | 1984-03-21 | Mitsubishi Mining & Cement Co., Ltd. | Demolition agent for brittle materials |
US4717503A (en) * | 1982-08-18 | 1988-01-05 | Mitsubishi Mining & Co., Ltd. | Demolition agent for brittle materials |
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