GB400477A - Improvements in or relating to road paving and like blocks - Google Patents

Improvements in or relating to road paving and like blocks

Info

Publication number
GB400477A
GB400477A GB4544/33A GB454433A GB400477A GB 400477 A GB400477 A GB 400477A GB 4544/33 A GB4544/33 A GB 4544/33A GB 454433 A GB454433 A GB 454433A GB 400477 A GB400477 A GB 400477A
Authority
GB
United Kingdom
Prior art keywords
blocks
hardening
pressure
lime
increasing
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
GB4544/33A
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.)
Komnick Maschf GmbH
Original Assignee
Komnick Maschf GmbH
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 Komnick Maschf GmbH filed Critical Komnick Maschf GmbH
Publication of GB400477A publication Critical patent/GB400477A/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
    • C04B28/18—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 mixtures of the silica-lime type
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction

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)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Road Paving Structures (AREA)

Abstract

Road paving and like blocks are made by moulding granular material containing lime and silica, producing a thin hard skin of calcium hydrosilicate on the blocks by application of steam pressure, drying the blocks, and impregnating them in vacuo with bitumen with or without pressure. The blocks are preferably moulded by using a slowly increasing pressure from a hydraulic press which acts simultaneously from two or more sides of the block thereby increasing the degree of porosity for impregnation. Slaked lime is preferably used in the raw material. The surface of the block prior to surface hardening may be treated with lime with or without highly reactive silica such as trass or glass meal. The hardening is performed under increasing steam pressure which is reduced as soon as the formation of silicate begins. During hardening and drying, the blocks are stacked in chambers and separated by air gaps. Specification 363,354 is referred to.
GB4544/33A 1932-10-19 1933-02-14 Improvements in or relating to road paving and like blocks Expired GB400477A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE400477X 1932-10-19

Publications (1)

Publication Number Publication Date
GB400477A true GB400477A (en) 1933-10-26

Family

ID=6400257

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4544/33A Expired GB400477A (en) 1932-10-19 1933-02-14 Improvements in or relating to road paving and like blocks

Country Status (1)

Country Link
GB (1) GB400477A (en)

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