FR2296054A1 - Synthetic aggregate for road making - from sand mixed with additive oxides fused to cement quartz grains together - Google Patents

Synthetic aggregate for road making - from sand mixed with additive oxides fused to cement quartz grains together

Info

Publication number
FR2296054A1
FR2296054A1 FR7442484A FR7442484A FR2296054A1 FR 2296054 A1 FR2296054 A1 FR 2296054A1 FR 7442484 A FR7442484 A FR 7442484A FR 7442484 A FR7442484 A FR 7442484A FR 2296054 A1 FR2296054 A1 FR 2296054A1
Authority
FR
France
Prior art keywords
fused
grains together
quartz grains
sand mixed
synthetic aggregate
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.)
Granted
Application number
FR7442484A
Other languages
French (fr)
Other versions
FR2296054B3 (en
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.)
Fives Cail Babcock SA
Original Assignee
Fives Cail Babcock SA
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 Fives Cail Babcock SA filed Critical Fives Cail Babcock SA
Priority to FR7442484A priority Critical patent/FR2296054A1/en
Publication of FR2296054A1 publication Critical patent/FR2296054A1/en
Application granted granted Critical
Publication of FR2296054B3 publication Critical patent/FR2296054B3/fr
Granted 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/023—Fired or melted materials
    • 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
    • E01C7/085—Aggregate or filler materials therefor; Coloured reflecting or luminescent additives therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)

Abstract

Synthetic aggregate is made by heating at 1300 degrees C in a rotary kiln a mixt. comprising >=80% natural silica sand and as additives alkaline earth oxides or carbonate, metallic oxides and opt. halogen cpds., effecting complete fusion of the additives to form after cooling a matrix bonding quartz grains together. In road surfacing mixts. and concretes in countries where sand is plentiful and aggregate is not. Aggregation of high quality can be produced in large quantities.
FR7442484A 1974-12-23 1974-12-23 Synthetic aggregate for road making - from sand mixed with additive oxides fused to cement quartz grains together Granted FR2296054A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7442484A FR2296054A1 (en) 1974-12-23 1974-12-23 Synthetic aggregate for road making - from sand mixed with additive oxides fused to cement quartz grains together

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7442484A FR2296054A1 (en) 1974-12-23 1974-12-23 Synthetic aggregate for road making - from sand mixed with additive oxides fused to cement quartz grains together

Publications (2)

Publication Number Publication Date
FR2296054A1 true FR2296054A1 (en) 1976-07-23
FR2296054B3 FR2296054B3 (en) 1977-09-23

Family

ID=9146515

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7442484A Granted FR2296054A1 (en) 1974-12-23 1974-12-23 Synthetic aggregate for road making - from sand mixed with additive oxides fused to cement quartz grains together

Country Status (1)

Country Link
FR (1) FR2296054A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2858614A1 (en) * 2003-08-08 2005-02-11 France Etat Ponts Chaussees Fabrication of artificial granulate for road making applications by mixing a material with hard particles and a cement containing material to form a mortar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2858614A1 (en) * 2003-08-08 2005-02-11 France Etat Ponts Chaussees Fabrication of artificial granulate for road making applications by mixing a material with hard particles and a cement containing material to form a mortar
WO2005016848A3 (en) * 2003-08-08 2005-04-21 France Etat Ponts Chaussees Method of producing manufactured aggregates
US7678322B2 (en) 2003-08-08 2010-03-16 Laboratoire Central Des Ponts Et Chaussees Method of producing manufactured aggregates

Also Published As

Publication number Publication date
FR2296054B3 (en) 1977-09-23

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Legal Events

Date Code Title Description
ST Notification of lapse