EP1533424A3 - Method and device for the compaction of soft soil - Google Patents
Method and device for the compaction of soft soil Download PDFInfo
- Publication number
- EP1533424A3 EP1533424A3 EP04025855A EP04025855A EP1533424A3 EP 1533424 A3 EP1533424 A3 EP 1533424A3 EP 04025855 A EP04025855 A EP 04025855A EP 04025855 A EP04025855 A EP 04025855A EP 1533424 A3 EP1533424 A3 EP 1533424A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- stopfwendel
- axial force
- soft soil
- regulated
- predetermined value
- 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.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
- E02D3/126—Consolidating by placing solidifying or pore-filling substances in the soil and mixing by rotating blades
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Soil Working Implements (AREA)
Abstract
Weicher Boden wird durch Einbringen und Verdichten von trockenem mineralischem Pulver stabilisiert, das mittels einer drehangetriebenen Stopfwendel (4) in eine Bohrung (10) im Boden eingestopft wird. Die Axialkraft der Stopfwendel (4), vorzugsweise die Vorschubkraft eines axialen Vorschubantriebs der Stopfwendel (4), wird gemessen und auf einen jeweils vorgegebenen Wert gesteuert bzw. geregelt. Zur Steuerung bzw. Regelung der Axialkraft der Stopfwendel kann das Antriebsdrehmoment der Stopfwendel (4) gesteuert werden. Der vorgegebene Wert, auf den die Axialkraft geregelt wird, kann aus durch das Stopfen verursachten Lageänderungen des Planums, eines Baukörpers oder einer Verkehrsfläche im Stopfbereich bestimmt werden. Soft soil is stabilized by introducing and compacting dry mineral powder, which is stuffed into a hole (10) in the soil by means of a rotary plug (4). The axial force of Stopfwendel (4), preferably the feed force of an axial feed drive the Stopfwendel (4) is measured and controlled or regulated to a respective predetermined value. To control or regulate the axial force of the Stopfwendel the drive torque of the Stopfwendel (4) can be controlled. The predetermined value, to which the axial force is regulated, can be determined from changes in position of the tarmac, a structure or a traffic area in the tamping area caused by the tamping.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10354624 | 2003-11-22 | ||
DE2003154624 DE10354624B3 (en) | 2003-11-22 | 2003-11-22 | A method for plugging soft ground has a helical screw to bore the ground and to fill with stiffening material and whose rotational driving torque is monitored and controlled |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1533424A2 EP1533424A2 (en) | 2005-05-25 |
EP1533424A3 true EP1533424A3 (en) | 2006-03-15 |
Family
ID=34399698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04025855A Withdrawn EP1533424A3 (en) | 2003-11-22 | 2004-10-30 | Method and device for the compaction of soft soil |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1533424A3 (en) |
DE (1) | DE10354624B3 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4662792A (en) * | 1984-05-07 | 1987-05-05 | Sondages Injections Forages "S.I.F." Enterprise Bachy | Method and device for the in-situ formation of columns of stabilized and compacted soil |
GB2218722A (en) * | 1988-05-19 | 1989-11-22 | Basil Green | Pile pressing |
DE19845132A1 (en) * | 1998-10-01 | 2000-04-06 | Hossein Hosseini Tudeshki | Compacting method for e.g. unconsolidated rocks uses one or more rotating spirals, with shape, length, pitch, direction, speed, all dependent upon edge conditions |
US20030044241A1 (en) * | 2000-05-26 | 2003-03-06 | Norman Mure | Auger piling |
DE10335366A1 (en) * | 2003-08-01 | 2005-03-10 | Bauer Spezialtiefbau | Installing stabilization column in the ground, by measuring rotation speed and feed rate of conveyor screw driven into ground |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4125576A1 (en) * | 1991-08-02 | 1993-02-04 | Gerd Prof Dr Ing Gudehus | Pumping dry powder into soil for strengthening - using rigid or flexible hose to introduce chalk-based powder into soil as hose is withdrawn to both stiffen and dewater soil |
DE4417887A1 (en) * | 1994-05-21 | 1995-11-23 | Gerd Prof Dr Ing Gudehus | Stabilisation method for soft ground |
DE19509053A1 (en) * | 1995-03-14 | 1996-09-26 | Coplan Ing Gmbh | Device for producing stabilising posts in soft ground |
-
2003
- 2003-11-22 DE DE2003154624 patent/DE10354624B3/en not_active Expired - Fee Related
-
2004
- 2004-10-30 EP EP04025855A patent/EP1533424A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4662792A (en) * | 1984-05-07 | 1987-05-05 | Sondages Injections Forages "S.I.F." Enterprise Bachy | Method and device for the in-situ formation of columns of stabilized and compacted soil |
GB2218722A (en) * | 1988-05-19 | 1989-11-22 | Basil Green | Pile pressing |
DE19845132A1 (en) * | 1998-10-01 | 2000-04-06 | Hossein Hosseini Tudeshki | Compacting method for e.g. unconsolidated rocks uses one or more rotating spirals, with shape, length, pitch, direction, speed, all dependent upon edge conditions |
US20030044241A1 (en) * | 2000-05-26 | 2003-03-06 | Norman Mure | Auger piling |
DE10335366A1 (en) * | 2003-08-01 | 2005-03-10 | Bauer Spezialtiefbau | Installing stabilization column in the ground, by measuring rotation speed and feed rate of conveyor screw driven into ground |
Non-Patent Citations (1)
Title |
---|
CARTIER G ET AL: "LE PROCEDE COL MIX", TRAVAUX, EDITIONS SCIENCE ET INDUSTRIE, PARIS, FR, no. 630, 1 March 1988 (1988-03-01), pages 31, XP000212946, ISSN: 0041-1906 * |
Also Published As
Publication number | Publication date |
---|---|
EP1533424A2 (en) | 2005-05-25 |
DE10354624B3 (en) | 2005-05-04 |
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Legal Events
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Effective date: 20061020 |
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