DE601776C - Method for consolidating loose soils - Google Patents

Method for consolidating loose soils

Info

Publication number
DE601776C
DE601776C DE1930601776D DE601776DD DE601776C DE 601776 C DE601776 C DE 601776C DE 1930601776 D DE1930601776 D DE 1930601776D DE 601776D D DE601776D D DE 601776DD DE 601776 C DE601776 C DE 601776C
Authority
DE
Germany
Prior art keywords
loose soils
consolidating loose
pulp
compressed air
consolidating
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
Application number
DE1930601776D
Other languages
German (de)
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.)
FRANCOIS CEMENTATION CO Ltd
Original Assignee
FRANCOIS CEMENTATION CO Ltd
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 FRANCOIS CEMENTATION CO Ltd filed Critical FRANCOIS CEMENTATION CO Ltd
Application granted granted Critical
Publication of DE601776C publication Critical patent/DE601776C/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Description

Verfahren zum Verfestigen lockerer Böden Gegenstand der Erfindung ist ein Verfahren zum Verfestigen lockerer Böden, z. B. Sand, Kies o. dgl., durch Einführen oder Einpressen von breiigem Zement, Kalk, Mörtel o. dgl., wobei die Böden durch Einführen von Preßluft oder Preßgas aufgelockert werden. Bei den bekannten Verfahren dieser Art werden die Preßluft und der Brei abwechselnd eingeleitet, meist durch dieselbe Leitung. Das hat aber den Nachteil, daß die Auflockerung zum Teil wieder verlorengeht und dem Einpressen des Breies großer Widerstand entgegengesetzt wird. Ferner besteht 'eine Abhängigkeit zwischen der Druckhöhe des Preßgases und der, unter welcher der Brei eingepreßt werden kann.Process for consolidating loose soils The subject of the invention is a method of consolidating loose soils, e.g. B. sand, gravel o. The like., By Introducing or pressing in pulpy cement, lime, mortar or the like, with the floors be loosened by introducing compressed air or compressed gas. With the known Process of this type, the compressed air and the pulp are introduced alternately, mostly through the same line. But this has the disadvantage that the loosening is partly is lost again and opposes the pressing in of the pulp great resistance will. Furthermore, there is a dependency between the pressure level of the compressed gas and the one under which the pulp can be pressed.

Die Erfindung vermeidet diese Nachteile und besteht darin, daß die Einführung von Brei und Preßluft gleichzeitig durch besondere Leitungen erfolgt. Hierdurch ist erreicht, daß der Einpreßdruck für den Brei sich unabhängig von der Höhe des Preßgasdruckes auf etwa den 5ofachen Wert steigern läßt. Das erfindungsgemäße Verfahren ergibt dadurch eine gleichmäßigere und weitläufigere Verteilung der Bindemittel als bisher und ermöglicht eine Verfestigung selbst ganz leicht fließender Sandböden in einem Maße, das den Boden für schwere Bauwerke tragfähig macht.The invention avoids these disadvantages and consists in that the Introduction of pulp and compressed air takes place simultaneously through special lines. This ensures that the injection pressure for the pulp is independent of the Can increase the level of the compressed gas pressure to about 5 times the value. The inventive The process results in a more even and extensive distribution of the binders than before and enables the consolidation of even very easily flowing sandy soils to an extent that makes the soil stable for heavy structures.

Claims (1)

PATENTANSPRUCH: Verfahren zum Verfestigen lockerer Böden, z. B. Sand, Kies o. dgl., durch Einführen oder Einpressen von breiigem Zement, Kalk, Mörtel o. dgl., wobei die Böden durch Einführen von Preßluft oder Preßgas aufgelockert werden, dadurch gekennzeichnet, daß die -Einführung von Brei und Preßluft durch besondere Leitungen gleichzeitig erfolgt.PATENT CLAIM: Process for consolidating loose soils, e.g. B. sand, Gravel or the like, by introducing or pressing in pulpy cement, lime, mortar o. The like., The floors loosened by the introduction of compressed air or compressed gas are, characterized in that the introduction of pulp and compressed air through special lines take place at the same time.
DE1930601776D 1930-08-28 1930-10-15 Method for consolidating loose soils Expired DE601776C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB601776X 1930-08-28

Publications (1)

Publication Number Publication Date
DE601776C true DE601776C (en) 1934-08-23

Family

ID=10485159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1930601776D Expired DE601776C (en) 1930-08-28 1930-10-15 Method for consolidating loose soils

Country Status (1)

Country Link
DE (1) DE601776C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228198A1 (en) * 1982-07-28 1984-02-09 Johannes Brechtel Niederlassung der Heilit & Woerner Bau-AG, 6700 Ludwigshafen Method of improving the keying of a reinforced-concrete root pile which forms a root pile wall preferably with other root piles of the same type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228198A1 (en) * 1982-07-28 1984-02-09 Johannes Brechtel Niederlassung der Heilit & Woerner Bau-AG, 6700 Ludwigshafen Method of improving the keying of a reinforced-concrete root pile which forms a root pile wall preferably with other root piles of the same type

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