EP 0161974 B1 19890628 - METHOD AND APPARATUS FOR FORMING PILES OF SOIL STABILISED AND COMPACTED IN SITU
Title (en)
METHOD AND APPARATUS FOR FORMING PILES OF SOIL STABILISED AND COMPACTED IN SITU
Publication
Application
Priority
FR 8407047 A 19840507
Abstract (en)
[origin: US4662792A] The invention relates to civil engineering works. In particular, it relates to a device suitable for forming a primary column of stabilized and compacted soil, which comprises at least two parallel shafts driving in opposite directions, two parallel augers with opposite pitch, each auger being provided at the opposite end to the drive shaft with a loosening drillhead and the distance between the axes of the augers being less than the diameter of an auger, the shafts and the shanks of the augers comprising a bore connected to a source of material to be added, and at least one orifice which communicates with the said bore being provided on the shank of each auger so as to discharge the material to be added and allow it to be mixed with the loosened soil. Applicable in particular for the compaction of railroad territory.
IPC 1-7
IPC 8 full level
E02D 5/18 (2006.01); E02D 5/36 (2006.01); E02D 5/46 (2006.01); E02D 27/26 (2006.01)
CPC (source: EP KR US)
E02D 5/18 (2013.01 - EP US); E02D 5/36 (2013.01 - EP US); E02D 5/46 (2013.01 - EP KR US); E02D 27/26 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0161974 A2 19851121; EP 0161974 A3 19860611; EP 0161974 B1 19890628; AT E44298 T1 19890715; AU 4162885 A 19851114; AU 568057 B2 19871210; DE 3571259 D1 19890803; FR 2563852 A1 19851108; FR 2563852 B1 19870626; HK 32990 A 19900504; JP H0665808 B2 19940824; JP S6145022 A 19860304; KR 850008511 A 19851218; KR 900006385 B1 19900830; PH 22602 A 19881017; PT 80396 A 19850601; PT 80396 B 19870529; SG 81989 G 19900907; US 4662792 A 19870505
DOCDB simple family (application)
EP 85400787 A 19850422; AT 85400787 T 19850422; AU 4162885 A 19850423; DE 3571259 T 19850422; FR 8407047 A 19840507; HK 32990 A 19900426; JP 9392385 A 19850502; KR 850002839 A 19850426; PH 32201 A 19850429; PT 8039685 A 19850506; SG 81989 A 19891220; US 72979885 A 19850502