EP1078129B1 - Double layer draining and sound-absorbing wearing course - Google Patents

Double layer draining and sound-absorbing wearing course Download PDF

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Publication number
EP1078129B1
EP1078129B1 EP00915174A EP00915174A EP1078129B1 EP 1078129 B1 EP1078129 B1 EP 1078129B1 EP 00915174 A EP00915174 A EP 00915174A EP 00915174 A EP00915174 A EP 00915174A EP 1078129 B1 EP1078129 B1 EP 1078129B1
Authority
EP
European Patent Office
Prior art keywords
ranging
weight
bituminous
filler
quantity ranging
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 - Lifetime
Application number
EP00915174A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1078129A1 (en
Inventor
Paolo Italia
Luigi D'elia
Mauro Da Via
Elio Diani
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.)
Eni SpA
Versalis SpA
Original Assignee
Eni SpA
Polimeri Europa SpA
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 Eni SpA, Polimeri Europa SpA filed Critical Eni SpA
Publication of EP1078129A1 publication Critical patent/EP1078129A1/en
Application granted granted Critical
Publication of EP1078129B1 publication Critical patent/EP1078129B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01C11/00—Details of pavings
    • E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224—Surface drainage of streets
    • E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • E01C11/226—Coherent pavings
    • 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
    • E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
    • E01C7/182—Aggregate or filler materials, except those according to E01C7/26

Definitions

  • the present invention relates to a double layer draining and sound-absorbing wearing course, its use in motor racing circuits and road paving, means and method for its preparation.
  • the wearing courses used in motor racing circuits, highways, national and urban roads with heavy traffic require good mechanical properties, a high grip and surface regularity. These properties are traditionally obtained using "closed” wearing courses, i.e. with reduced content of residual voids. This solution however is of no help during rainfall.
  • Draining pavements as disclosed in EP-A-0 381 903 are mainly characterized by a high percentage of residual voids (>18%) obtained by adopting inert products with a discontinuous granulometric curve which ensures, with respect to a closed pavements, the following advantages:
  • modified bitumens having a reduced thermal susceptibility, high elasticity, high tack to inert products and good aging resistance, combined with this double-layered structure, allows the following advantages to be obtained:
  • the upper layer in fact, obtained with stone agglomerates having reduced dimensions, owing to its texture, acts as a sieve for the impurities present on the road surface.
  • the larger impurities are withheld on the surface without blocking the pores and can be mechanically removed by the passage of vehicles.
  • the finer impurities penetrate through both layers and can be easily eliminated by rain water through the larger holes of the lower layer.
  • the present invention relates to a double layer draining and sound-absorbing wearing course as defined by claim 1 made up of:
  • the upper layer of the draining and sound-absorbing wearing course preferably has a thickness ranging from 2.5 to 4 cm and consists of:
  • the lower layer of the draining and sound-absorbing wearing course preferably has a thickness ranging from 3 to 7 cm and consists of:
  • the stone aggregates which can be used consist of healthy, hard granular elements, in a non-flattened, elongated or lenticular form, clean and without foreign matter, according to regulation C.N.R. 139/1992.
  • the fillers are those conventionally used for the production of conglomerates. They are generally powders with a particle size of less than 0.125 mm.
  • fillers suitable for the purpose of the present invention comprise calcium carbonate and cement.
  • bituminous ligand is selected from modified bitumens having the characteristics indicated in table 2.
  • a modified bitumen containing SBS styrene-butadiene-styrene polymers obtained, for example, as described in U.S. patent 5,756,563, or, for example of the type sold by AGIP PETROLI S.p.A. under the trade-name of ELIFLEX®.
  • the sound-absorbency characteristics determined by means of sound level measurements, not only indicate a decrease in noise outside the vehicle, but also a reduction thereof inside the vehicle of over 3 decibel.
  • bituminous conglomerate is prepared under heating in a suitable plant by putting the stone aggregate, the bitumen and filler in contact with each other in the appropriate quantities.
  • the temperature and mixing time are generally selected in relation to the materials and climatic conditions during the laying. In any case, the mixing conditions are selected so as to obtain a conglomerate having an adequate laying temperature to allow effective rolling.
  • the pavement of the present invention is prepared by:
  • a water-proofing membrane is then laid on top of the base layer to protect it from the infiltration of rain water.
  • This membrane consists of modified bitumen, preferably a bitumen identical to that used for the preparation of the conglomerates, suitably saturated with grit or filler.
  • bituminous conglomerate is then laid on top of this membrane to obtain a first lower layer having the characteristics described above.
  • bituminous conglomerate is laid using slightly staggered vibratory finishers in parallel thus avoiding, or in any case reducing, longitudinal joints. These should be particularly treated (flanking and compaction) to avoid stagnation of rain or reduction in the draining capacity.
  • the rolling is carried out using the conventional techniques.
  • the draining and sound-absorbing wearing course of the present invention is particularly suitable for the paving of motor racing circuits and heavy traffic roads.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Railway Tracks (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Moving Of Heads (AREA)
  • Paints Or Removers (AREA)
  • Gloves (AREA)
  • Medicinal Preparation (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Detergent Compositions (AREA)
EP00915174A 1999-03-12 2000-03-08 Double layer draining and sound-absorbing wearing course Expired - Lifetime EP1078129B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1999MI000503A IT1311890B1 (it) 1999-03-12 1999-03-12 Manto di usura drenante e fonoassorbente a doppio strato, e mezzi emetodo per la sua preparazione.
ITMI990503 1999-03-12
PCT/EP2000/002046 WO2000055428A1 (en) 1999-03-12 2000-03-08 Double layer draining and sound-absorbing wearing course, and means and method for its preparation

Publications (2)

Publication Number Publication Date
EP1078129A1 EP1078129A1 (en) 2001-02-28
EP1078129B1 true EP1078129B1 (en) 2005-05-04

Family

ID=11382254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00915174A Expired - Lifetime EP1078129B1 (en) 1999-03-12 2000-03-08 Double layer draining and sound-absorbing wearing course

Country Status (9)

Country Link
EP (1) EP1078129B1 (hu)
AT (1) ATE294899T1 (hu)
AU (1) AU3657700A (hu)
DE (1) DE60019858T2 (hu)
ES (1) ES2237416T3 (hu)
HU (1) HU227312B1 (hu)
IT (1) IT1311890B1 (hu)
PT (1) PT1078129E (hu)
WO (1) WO2000055428A1 (hu)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2373277B (en) * 2001-03-02 2004-07-07 Civil & Ind Products Ltd Improved road surfacing
NL1024493C2 (nl) * 2003-10-09 2005-04-15 Bam Wegen B V Geluidsreducerende wegdekconstructie.
CN111021188B (zh) * 2019-12-19 2022-03-08 上海浦东路桥(集团)有限公司 一种高透水性长效夜光路面构造

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2643094B1 (fr) * 1989-02-10 1991-06-07 Beugnet Sa Enrobe a base de granulat de gros calibre et de liant hydrocarbone pour la construction des assises de chaussees, ainsi que chaussee poreuse notamment chaussee drainante et anti-bruit obtenue a partir d'un tel enrobe
FR2768162B3 (fr) * 1997-09-08 1999-07-16 Saada Sa Structure de chaussee poreuse

Also Published As

Publication number Publication date
EP1078129A1 (en) 2001-02-28
WO2000055428A1 (en) 2000-09-21
HU227312B1 (en) 2011-03-28
ES2237416T3 (es) 2005-08-01
ATE294899T1 (de) 2005-05-15
PT1078129E (pt) 2005-07-29
ITMI990503A1 (it) 2000-09-12
HUP0102081A3 (en) 2002-01-28
AU3657700A (en) 2000-10-04
IT1311890B1 (it) 2002-03-20
DE60019858D1 (de) 2005-06-09
DE60019858T2 (de) 2006-02-16
HUP0102081A2 (hu) 2001-10-28

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