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AT236280B - Process for the production of portland cement with high green strength - Google Patents

Process for the production of portland cement with high green strength

Info

Publication number
AT236280B
AT236280B AT668961A AT668961A AT236280B AT 236280 B AT236280 B AT 236280B AT 668961 A AT668961 A AT 668961A AT 668961 A AT668961 A AT 668961A AT 236280 B AT236280 B AT 236280B
Authority
AT
Austria
Prior art keywords
production
portland cement
green strength
high green
sulfide
Prior art date
Application number
AT668961A
Other languages
German (de)
Inventor
Clifford A White
Original Assignee
Bakoma A G
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 Bakoma A G filed Critical Bakoma A G
Application granted granted Critical
Publication of AT236280B publication Critical patent/AT236280B/en

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
    • C04B28/04—Portland cements
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/02—Portland cement
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/345—Hydraulic cements not provided for in one of the groups C04B7/02 - C04B7/34
    • C04B7/3453—Belite cements, e.g. self-disintegrating cements based on dicalciumsilicate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Verfahren zur Herstellung von Portlandzement mit hoher
Anfangsfestigkeit 
 EMI1.1 
 
 EMI1.2 
 
<tb> 
<tb> Zement <SEP> Mahlfeinheit <SEP> Druckfestigkeit
<tb> (Blaine) <SEP> (kg/cm)
<tb> A <SEP> 3540 <SEP> 195
<tb> A <SEP> 4700 <SEP> 257
<tb> B <SEP> 4100 <SEP> 118 <SEP> 
<tb> 




   <Desc / Clms Page number 1>
 



  Process for the production of portland cement with high
Initial strength
 EMI1.1
 
 EMI1.2
 
<tb>
<tb> cement <SEP> grinding fineness <SEP> compressive strength
<tb> (Blaine) <SEP> (kg / cm)
<tb> A <SEP> 3540 <SEP> 195
<tb> A <SEP> 4700 <SEP> 257
<tb> B <SEP> 4100 <SEP> 118 <SEP>
<tb>

Claims (1)

PATENTANSPRÜCHE : 1. Verfahren zur Herstellung von Portlandzement mit hoher Anfangsfestigkeit, dadurch gekennzeich- net, dass man fein verteiltes Kalziumhydrosilikat und/oder Kalziumhydroaluminat mit dem Rohmehl innig vermischt. PATENT CLAIMS: 1. Process for the production of Portland cement with high initial strength, characterized in that finely divided calcium hydrosilicate and / or calcium hydroaluminate are intimately mixed with the raw meal. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass 1-60 Gew.-% des genannten Zusatzes zugemischt werden. 2. The method according to claim 1, characterized in that 1-60 wt. 3. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass man abgebundenen Zement als Zusatz verwendet. 3. The method according to claim 1, characterized in that set cement is used as an additive. 4. Verfahren nach Anspruch l, dadurch gekennzeichnet, dass man ausserdem ein Sulfid oder einen solchen Stoff zusetzt, der beim Brennen ein Sulfid ergibt. 4. The method according to claim l, characterized in that a sulfide or such a substance is also added which results in a sulfide on burning.
AT668961A 1960-10-20 1961-08-31 Process for the production of portland cement with high green strength AT236280B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH236280X 1960-10-20

Publications (1)

Publication Number Publication Date
AT236280B true AT236280B (en) 1964-10-12

Family

ID=4459369

Family Applications (1)

Application Number Title Priority Date Filing Date
AT668961A AT236280B (en) 1960-10-20 1961-08-31 Process for the production of portland cement with high green strength

Country Status (1)

Country Link
AT (1) AT236280B (en)

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