ES2425302B1 - Procedure for obtaining a bituminous mixture - Google Patents

Procedure for obtaining a bituminous mixture Download PDF

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Publication number
ES2425302B1
ES2425302B1 ES201230526A ES201230526A ES2425302B1 ES 2425302 B1 ES2425302 B1 ES 2425302B1 ES 201230526 A ES201230526 A ES 201230526A ES 201230526 A ES201230526 A ES 201230526A ES 2425302 B1 ES2425302 B1 ES 2425302B1
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ES
Spain
Prior art keywords
recycled aggregate
aggregate
bituminous
emulsion
obtaining
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.)
Active
Application number
ES201230526A
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Spanish (es)
Other versions
ES2425302A1 (en
Inventor
Ignacio PÉREZ PÉREZ
Ana RODRÍGUEZ PASANDIN
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.)
Universidade da Coruna
Original Assignee
Universidade da Coruna
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 Universidade da Coruna filed Critical Universidade da Coruna
Priority to ES201230526A priority Critical patent/ES2425302B1/en
Publication of ES2425302A1 publication Critical patent/ES2425302A1/en
Application granted granted Critical
Publication of ES2425302B1 publication Critical patent/ES2425302B1/en
Active legal-status Critical Current
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C08L95/005—Aqueous compositions, e.g. emulsions

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Road Paving Structures (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

La presente invención es un procedimiento de obtención de una mezcla bituminosa que comprende preenvolver el árido reciclado con emulsión bituminosa, dejar en reposo dicha preenvuelta de árido reciclado hasta rotura de la emulsión, y la mezcla de dicha preenvuelta de árido reciclado con árido natural, polvo mineral de cemento y betún. El procedimiento en caliente comprende una combinación de árido natural y árido reciclado procedente de residuos de construcción y demolición (RCD) de tipo hormigón. Los inventores han descubierto que la preenvuelta del árido reciclado con emulsión bituminosa de rotura lenta favorece sorprendentemente la posterior adherencia del árido preenvuelto con el betún. Además reduce las vías de entrada del agua en el árido reciclado al ser la emulsión bituminosa muy fluida y, por tanto, con facilidad para acceder a todos los poros del árido reciclado.The present invention is a process for obtaining a bituminous mixture which comprises pre-wrapping the recycled aggregate with bituminous emulsion, leaving said recycled aggregate pre-wrap to rest until the emulsion breaks, and mixing said recycled aggregate pre-wrap with natural aggregate, powder cement ore and bitumen. The hot process comprises a combination of natural aggregate and recycled aggregate from construction and demolition waste (RCD) of concrete type. The inventors have discovered that the pre-wrapping of the recycled aggregate with slow-breaking bituminous emulsion surprisingly favors the subsequent adhesion of the pre-wrapped aggregate with the bitumen. It also reduces the entry routes of water in the recycled aggregate as the bituminous emulsion is very fluid and, therefore, easily accessible to all pores of the recycled aggregate.

Description

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Claims (1)

imagen1image 1
ES201230526A 2012-04-09 2012-04-09 Procedure for obtaining a bituminous mixture Active ES2425302B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES201230526A ES2425302B1 (en) 2012-04-09 2012-04-09 Procedure for obtaining a bituminous mixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201230526A ES2425302B1 (en) 2012-04-09 2012-04-09 Procedure for obtaining a bituminous mixture

Publications (2)

Publication Number Publication Date
ES2425302A1 ES2425302A1 (en) 2013-10-14
ES2425302B1 true ES2425302B1 (en) 2014-08-11

Family

ID=49231797

Family Applications (1)

Application Number Title Priority Date Filing Date
ES201230526A Active ES2425302B1 (en) 2012-04-09 2012-04-09 Procedure for obtaining a bituminous mixture

Country Status (1)

Country Link
ES (1) ES2425302B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108489896A (en) * 2018-03-09 2018-09-04 交通运输部公路科学研究所 A kind of evaluation method of drainage index adhesion

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0008042D0 (en) * 2000-04-01 2000-05-24 Asphalt & Mineral Dev Co Ltd Production process and apparatus
US7833338B2 (en) * 2004-02-18 2010-11-16 Meadwestvaco Packaging Systems, Llc Method for producing bitumen compositions
FR2915996B1 (en) * 2007-05-10 2009-07-10 Ceca Sa Sa BITUMINOUS ROAD MATERIALS, ESPECIALLY COLD COATED AND SERIOUS EMULSIONS, AND ROADMAPS FORMED FROM THESE MATERIALS
US20100222466A1 (en) * 2009-02-27 2010-09-02 Semmaterials, L.P. Crack resistant layer with good beam fatigue properties made from an emulsion of a polymer modified bituminous binder and method of selecting same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108489896A (en) * 2018-03-09 2018-09-04 交通运输部公路科学研究所 A kind of evaluation method of drainage index adhesion

Also Published As

Publication number Publication date
ES2425302A1 (en) 2013-10-14

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