Global Patent Index - EP 3805458 A1

EP 3805458 A1 20210414 - PAVEMENT STRUCTURE

Title (en)

PAVEMENT STRUCTURE

Title (de)

STRASSENAUFBAU

Title (fr)

STRUCTURE DE CHAUSSÉE

Publication

EP 3805458 A1 20210414 (EN)

Application

EP 19202509 A 20191010

Priority

LT 2019076 A 20191009

Abstract (en)

The aim - by using asphalt pavement design model ViaStructura to design road pavement structure and technological process for its application. The model of pavement structural layers and partial layers shall take into account the total effect of the groups of vehicle axle loads and air temperature. Asphalt pavement structure, consisting of asphalt wearing layer, asphalt binder layer, asphalt base layer and unbound mineral material layers, is distinguished by the fact that thicknesses of the layers were optimized based on mechanical properties of materials and vehicle axle load of, for example, 7 million ESA, and pavement structure durability was checked by an individual-design model ViaStructura taking into account temperature and load spectra effects. The structure of asphalt pavement consists of:Asphalt wearing layer (SMA 11 S) - 2,5-4,0 cm,Asphalt binder layer (AC 16 AS) - 4,0-8,0 cm,Asphalt base layer (AC 22 PS) - 7,0-15,0 cm,Crushed-stone base layer (SPS fr. 0/45) - 15,0-20,0 cm,Frost resistant layer (AŠAS) - 40,0-70,0 cm,Subgrade (ŽS) soils of average (F2) frost-susceptibility EV<sub>2</sub> ≥ 70 MPa.

IPC 8 full level

E01C 7/18 (2006.01)

CPC (source: EP)

E01C 7/18 (2013.01)

Citation (search report)

  • [XD] ANONYMOUS: "Richtlinien für die Standardisierung des Oberbaus von Verkehrsflächen RStO 12", 31 December 2012, FORSCHUNGSGESELLSCHAFT FÜR STRASSEN- UND VERKEHRSWESEN, ISBN: 978-3-86446-021-0, pages: 1 - 52, XP002799241
  • [A] ANONYMOUS: "Richtlinien für die rechnerische Dimensionierung des Oberbaus von Verkehrsflächen mit Asphaltdeckschicht RDO Asphalt 09", 31 December 2009, FORSCHUNGSGESELLSCHAFT FÜR STRASSEN- UND VERKEHRSWESEN, ISBN: 978-3-941790-15-5, pages: 1 - 34, XP002799242
  • [A] ANONYMOUS: "Zusätzliche Technische Vertragsbedingungen und Richtlinien für den Bau von Verkehrsflächenbefestigungen aus Asphalt ZTV Asphalt-StB 07/13", 31 December 2013, FORSCHUNGSGESELLSCHAFT FÜR STRASSEN- UND VERKEHRSWESEN, ISBN: 978-3-939715-68-9, pages: 1 - 76, XP009520791

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3805458 A1 20210414; LT 2019076 A 20210125; LT 6805 B 20210310

DOCDB simple family (application)

EP 19202509 A 20191010; LT 2019076 A 20191009