FR2086620A5 - Road surfacing material - contg calcium and other sulphates - Google Patents

Road surfacing material - contg calcium and other sulphates

Info

Publication number
FR2086620A5
FR2086620A5 FR7012101A FR7012101A FR2086620A5 FR 2086620 A5 FR2086620 A5 FR 2086620A5 FR 7012101 A FR7012101 A FR 7012101A FR 7012101 A FR7012101 A FR 7012101A FR 2086620 A5 FR2086620 A5 FR 2086620A5
Authority
FR
France
Prior art keywords
sulphates
calcium
contg
surfacing material
road surfacing
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
FR7012101A
Other languages
French (fr)
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.)
COCHERY ALBERT ENTR
Original Assignee
COCHERY ALBERT ENTR
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 COCHERY ALBERT ENTR filed Critical COCHERY ALBERT ENTR
Priority to FR7012101A priority Critical patent/FR2086620A5/en
Application granted granted Critical
Publication of FR2086620A5 publication Critical patent/FR2086620A5/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • 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
    • C04B11/00—Calcium sulfate cements

Abstract

Improved load bearing surfaces esp. for roads comprising mixtures of sulphates with other material which react with the sulphates. The sulphates consist of industrial by-products such as calcium sulphate, from the sulphuric acid-treatment of natural phosphates, iron sulphates or potassium sulphates. The reacting materials are common road making materials - sands, granites, quartz etc. or other sulphates which form hydrated double sulphates. A third component such as granulated salg may be used and up to 25% of activators e.g. soda or chalk may be added.
FR7012101A 1970-04-03 1970-04-03 Road surfacing material - contg calcium and other sulphates Expired FR2086620A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7012101A FR2086620A5 (en) 1970-04-03 1970-04-03 Road surfacing material - contg calcium and other sulphates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7012101A FR2086620A5 (en) 1970-04-03 1970-04-03 Road surfacing material - contg calcium and other sulphates

Publications (1)

Publication Number Publication Date
FR2086620A5 true FR2086620A5 (en) 1971-12-31

Family

ID=9053377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7012101A Expired FR2086620A5 (en) 1970-04-03 1970-04-03 Road surfacing material - contg calcium and other sulphates

Country Status (1)

Country Link
FR (1) FR2086620A5 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242144A (en) * 1978-04-08 1980-12-30 Rheinische Kalksteinwerke Gmbh Bituminous mixed composition and filler for same containing non-hygroscopic crystal water-containing substances
WO1981002010A1 (en) * 1980-01-09 1981-07-23 Tenax Maskin Ab Plaster products and a process for the production thereof
FR2578831A1 (en) * 1985-03-15 1986-09-19 Weber Sa A PROCESS FOR RAPID CURING OF NATURAL ANHYDRITE

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4242144A (en) * 1978-04-08 1980-12-30 Rheinische Kalksteinwerke Gmbh Bituminous mixed composition and filler for same containing non-hygroscopic crystal water-containing substances
WO1981002010A1 (en) * 1980-01-09 1981-07-23 Tenax Maskin Ab Plaster products and a process for the production thereof
FR2578831A1 (en) * 1985-03-15 1986-09-19 Weber Sa A PROCESS FOR RAPID CURING OF NATURAL ANHYDRITE
EP0198780A1 (en) * 1985-03-15 1986-10-22 A. Weber, S.A. Process for the fast hardening of natural anhydrite

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Legal Events

Date Code Title Description
ST Notification of lapse