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
Application number
Other languages
German (de)
Inventor
Decking Conrad
Original Assignee
Decking Conrad
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 Decking Conrad filed Critical Decking Conrad
Publication of CH100659A publication Critical patent/CH100659A/en

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
    • C04B28/02Compositions 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
    • C04B28/10Lime 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)

PATENTANSPRUCH: Verfahren zur Herstellung von stein artigen Bauelementen, dadurch gekennzeich net, dass Füllstoff mit einem kalkhaltigen Mörtelbilder trocken gemischt und dann diese Mischung mit einem feinen neutralen Pulver, das mit einer Lösung eines Allzalikarbonates zu einer schwach kriimeligen Masse versetzt ist, gemischt wird, worauf die Gesamt mischung geformt und gepresst wird. PATENT CLAIM: Process for the production of stone-like construction elements, characterized in that filler is mixed dry with a lime-containing mortar and then this mixture is mixed with a fine, neutral powder, which is mixed with a solution of an alkali metal carbonate to form a weakly crumbly mass, whereupon the entire mixture is shaped and pressed.
CH100659D 1922-05-31 1922-05-31 Process for the production of stone-like building elements. CH100659A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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