MY102007A - Settable cementitious compositions - Google Patents

Settable cementitious compositions

Info

Publication number
MY102007A
MY102007A MYPI87001640A MYPI19871640A MY102007A MY 102007 A MY102007 A MY 102007A MY PI87001640 A MYPI87001640 A MY PI87001640A MY PI19871640 A MYPI19871640 A MY PI19871640A MY 102007 A MY102007 A MY 102007A
Authority
MY
Malaysia
Prior art keywords
weight
sio2
4cao
phase
alkali metal
Prior art date
Application number
MYPI87001640A
Inventor
Shelley Mills Peter
Richard Long Geoffrey
Original Assignee
Blue Circle Ind Plc
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 GB848427456A external-priority patent/GB8427456D0/en
Priority claimed from GB858512675A external-priority patent/GB8512675D0/en
Priority claimed from GB08526751A external-priority patent/GB2166430B/en
Priority claimed from GB858526742A external-priority patent/GB8526742D0/en
Priority claimed from GB08612259A external-priority patent/GB2175295B/en
Application filed by Blue Circle Ind Plc filed Critical Blue Circle Ind Plc
Publication of MY102007A publication Critical patent/MY102007A/en

Links

Landscapes

  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

A SETTABLE CEMENTITIOUS COMPOSITION IS PRODUCED BY MIXING A GROUND MINERAL COMPOSITION CONTAINING THE PHASE 4CAO.3A12O3.SO3, IN THE PRESENCE OF WATER, WITH A SOURCE OF ALKALI METAL OR ALKALINE EARTH METAL UNDER ALKALINE CONDITIONS. IN THE PUMP PACKING METHOD OF STOWING CAVITIES IN UNDERGROUND MINES, AN AQUEOUS SLURRY (1) OF THE MINERAL COMPOSITIONS IS MIXED WITH A SECOND SLURRY (5) CONTAINING CALCIUM SULFATE, LIME, AND, PREFERABLY, BENTONITE AN ALKALI METAL SULFATE AND A SETTING AND/OR HARDENING ACCELERATOR.THE COMPONENTS MAY BE PROVIDED INTIALLY AS A DRY MIXTURE. A PREFERRED MINERAL COMPOSITION COMPRISES OF 4CAO.3A12O3.SO3 IN AN AMOUNT OF FROM 15 TO 68BY WEIGHT AND SIO2, SUCH SIO2 BEING PRESENT SUBSTANTIALLY AS THE PHASE 2CAO.A12O3.SIO2, THE BALANCE IF ANY, OF LESS THAN 1% BY WEIGHT OF FREE LIME, LESS THAN 25% BY WEIGHT OF CAO.2A12O3 AND NOT MORE THAN 10% BY WEIGHT OF 12CAO.7A12O3.
MYPI87001640A 1984-10-30 1987-09-11 Settable cementitious compositions MY102007A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB848427456A GB8427456D0 (en) 1984-10-30 1984-10-30 Cement compositions
GB858512675A GB8512675D0 (en) 1985-05-20 1985-05-20 Mineral clinker
GB08526751A GB2166430B (en) 1984-10-30 1985-10-30 Settable compositions
GB858526742A GB8526742D0 (en) 1985-10-30 1985-10-30 Mineral clinker
GB08612259A GB2175295B (en) 1985-05-20 1986-05-20 Mineral clinker for use in settable cementitious compositions

Publications (1)

Publication Number Publication Date
MY102007A true MY102007A (en) 1992-02-29

Family

ID=81389338

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI87001640A MY102007A (en) 1984-10-30 1987-09-11 Settable cementitious compositions

Country Status (1)

Country Link
MY (1) MY102007A (en)

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