GB758673A - Improvements in or relating to concrete compositions - Google Patents

Improvements in or relating to concrete compositions

Info

Publication number
GB758673A
GB758673A GB3389053A GB3389053A GB758673A GB 758673 A GB758673 A GB 758673A GB 3389053 A GB3389053 A GB 3389053A GB 3389053 A GB3389053 A GB 3389053A GB 758673 A GB758673 A GB 758673A
Authority
GB
United Kingdom
Prior art keywords
concrete
cement
relating
per cent
aluminium powder
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3389053A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PHILIP MICHAEL WORTHINGTON
Original Assignee
PHILIP MICHAEL WORTHINGTON
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 PHILIP MICHAEL WORTHINGTON filed Critical PHILIP MICHAEL WORTHINGTON
Priority to GB3389053A priority Critical patent/GB758673A/en
Publication of GB758673A publication Critical patent/GB758673A/en
Expired legal-status Critical Current

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

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)

Abstract

An increase in volume of 0.5 to 5 per cent is obtained in concrete by adding 0.006-0.04 per cent, relative to the cement, of aluminium powder together with a further substance which causes the concrete to set before expansion ceases. The further substance may act both as a setting accelerator and as a retarder of the reaction between the aluminium, cement and water, e.g. calcium chloride. The rate of expansion can be increased by adding an alkali. Other additions are a wetting agent and a non-reactive dry granular substance, the latter in an amount 25 to 1,000 times the weight of aluminium powder. Specification 445,628 is referred to.
GB3389053A 1953-12-05 1953-12-05 Improvements in or relating to concrete compositions Expired GB758673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3389053A GB758673A (en) 1953-12-05 1953-12-05 Improvements in or relating to concrete compositions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3389053A GB758673A (en) 1953-12-05 1953-12-05 Improvements in or relating to concrete compositions

Publications (1)

Publication Number Publication Date
GB758673A true GB758673A (en) 1956-10-10

Family

ID=10358771

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3389053A Expired GB758673A (en) 1953-12-05 1953-12-05 Improvements in or relating to concrete compositions

Country Status (1)

Country Link
GB (1) GB758673A (en)

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