EP 0277051 B1 19900808 - METHOD AND APPARATUS FOR PRECRACKING THE FOUNDATION LAYERS OF HYDRAULLICALLY BOUND ROADS
Title (en)
METHOD AND APPARATUS FOR PRECRACKING THE FOUNDATION LAYERS OF HYDRAULLICALLY BOUND ROADS
Publication
Application
Priority
FR 8700222 A 19870112
Abstract (en)
[origin: EP0277051A1] 1. Method for prefissuring the lower strata of roads treated with hydraulic binders wherein a discontinuity is introduced in the uppermost portion of the last layer spread (1), characterized in that furrows (2) are formed at redetermined locations in said layer prior to the final compacting hereof, a product (4) is projected into the furrows which forms a film by solidification through contact with the material forming the furrow, giving rise to said discontinuity with the surrounding material, the furrows (2) are reclosed and said layer is compacted.
IPC 1-7
IPC 8 full level
E01C 11/10 (2006.01); E01C 23/02 (2006.01)
CPC (source: EP)
E01C 11/103 (2013.01); E01C 23/025 (2013.01)
Designated contracting state (EPC)
BE CH DE ES GB IT LI
DOCDB simple family (publication)
EP 0277051 A1 19880803; EP 0277051 B1 19900808; DE 3860391 D1 19900913; ES 2017789 B3 19910301; FR 2609480 A1 19880715; FR 2609480 B1 19910510
DOCDB simple family (application)
EP 88400029 A 19880107; DE 3860391 T 19880107; ES 88400029 T 19880107; FR 8700222 A 19870112