EP0355208A1 - Verfahren zur Herstellung einer Gründung und Gründung - Google Patents

Verfahren zur Herstellung einer Gründung und Gründung Download PDF

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Publication number
EP0355208A1
EP0355208A1 EP88201807A EP88201807A EP0355208A1 EP 0355208 A1 EP0355208 A1 EP 0355208A1 EP 88201807 A EP88201807 A EP 88201807A EP 88201807 A EP88201807 A EP 88201807A EP 0355208 A1 EP0355208 A1 EP 0355208A1
Authority
EP
European Patent Office
Prior art keywords
foundation
cellular concrete
particulate material
preceeding
opening
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Withdrawn
Application number
EP88201807A
Other languages
English (en)
French (fr)
Inventor
Adrianus Theodorus Maria Bisschops
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.)
Voorbij Groep BV
Original Assignee
Voorbij Groep BV
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 Voorbij Groep BV filed Critical Voorbij Groep BV
Priority to EP88201807A priority Critical patent/EP0355208A1/de
Publication of EP0355208A1 publication Critical patent/EP0355208A1/de
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/36—Foundations formed in moors or bogs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C3/00—Foundations for pavings
    • E01C3/06—Methods or arrangements for protecting foundations from destructive influences of moisture, frost or vibration

Definitions

  • This invention relates to a method for providing of a foundation in an opening comprising introducing of cellular concrete.
  • a method is generally known in the art.
  • Cellular concrete is used because of its low specific gravity.
  • By using of such material it is possible to give the structure comprising this foundation as well as the tarmac layer of a road or further layers or for instance top layers of a railway, such a weight that it just "floats" in the opening provided in the soil.
  • it is a drawback of cellular concrete that it can ab­sorb water, in which case its specific gravity will increase, such that the effect of "floating" will be lost. Because of this until now the authorities did not give permission to simply use cellular concrete where the possibility might arise that by absorption of water the struc­ture could sink.
  • a solution for this problem in the prior art was to introduce a sheet of foil after excavating of an opening in which the cellular concrete was simply poured. However, this solution has the draw back that it cannot be guaranteed that over the years said foil will remain closed and und
  • this is realized with a method as des­cribed above in that after at least partially curing of the cellular concrete being introduced, a layer of particulate material is introduced near at least a part of the interface boundary opening-cellular con­crete, wherein said particulate material has a particle size filling and sealing the pores of the said cellular concrete.
  • a layer of particulate material is introduced near at least a part of the interface boundary opening-cellular con­crete, wherein said particulate material has a particle size filling and sealing the pores of the said cellular concrete.
  • any movement of water to the cellular concrete foundation will also move the particulate material such that the cellular concrete body is sealed off by the particulate material.
  • said particulate material is supplied as slurry.
  • a foil sheet is provided in the opening.
  • a second foil sheet can be provided and in this case the particulate material is introduced between both foil sheets.
  • feed means are provided by which it is possible to later introduce the particulate material.
  • the specific gravity of the particulate material introduced is such that floating of the structure comprising the foundation is prevented.
  • a washing fluid such as water
  • This particulate material can comprise bentonite known for its flowability.
  • the invention also relates to a foundation comprising a body of cellular concrete at least partially provided in a humid place, said body being at least partially delimited by a particulate material having a pore size sealingly filling the cellular concrete.
  • an opening excavated in the soil is generally indicated with 1.
  • a foil sheet 2 of foil material is introduced after which a further sheet 3 of foil material is provided.
  • Said last sheet is provided with a number of openings 4 connected to tubes 5.
  • cellular concrete 6 is introduced as shown in fig. 2.
  • a particulate material such as bentonite is introduced. This particulate material will distribute between sheets 2 and 3 and is indicated with 7.
  • particulate material is introduced into tubes 5 until particulate material leaves at 8, such that it is guaranteed that all around the cellular concrete body 3 particulate material 7 is provided.
  • the specific gravity of the cellullar concrete is chosen such that in combination with tarmac layer 10 the total weight of this structure is such that it just floats in opening 1. Because of this in an instable soil it is no longer necessary to excavate a large opening and to fill this with reinforcing material, not only being costly but in many cases also giving raise to later depression and rising of the structure made. It is also possible to reinforce the concrete body 3 at its lower end by a reinforcement.
  • this reinforcement is non porous it is not necessary to provide par­ticulate material at a lower part of the concrete body 3.
  • the arrangement according to the invention of the layer of bentoni­te material functions as follows: if during use water ingresses through the foil films 2 and/or 3 it takes some parts of the layer of particu­late material 7 with it.
  • the particle size of this particulate material is such that the pores of the cellular concrete are filled and sealed by it. In this way there is a stand by means for sealing of the porous body 3 which will still be functioning after the prolongued service life of the structure. It is of course possible to delete one or two of the foil films 2 and 3. If the particulate material is introduced under the body 3 it is of importance that its specific gravity is lower than the weight of body 3 possible including tarmac layer 10.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Foundations (AREA)
EP88201807A 1988-08-24 1988-08-24 Verfahren zur Herstellung einer Gründung und Gründung Withdrawn EP0355208A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP88201807A EP0355208A1 (de) 1988-08-24 1988-08-24 Verfahren zur Herstellung einer Gründung und Gründung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88201807A EP0355208A1 (de) 1988-08-24 1988-08-24 Verfahren zur Herstellung einer Gründung und Gründung

Publications (1)

Publication Number Publication Date
EP0355208A1 true EP0355208A1 (de) 1990-02-28

Family

ID=8199846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88201807A Withdrawn EP0355208A1 (de) 1988-08-24 1988-08-24 Verfahren zur Herstellung einer Gründung und Gründung

Country Status (1)

Country Link
EP (1) EP0355208A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0456331A1 (de) * 1990-05-10 1991-11-13 Voorbij Groep B.V. Methode zum Verschieben einer plattenförmigen Unterlage und Abdichtung dafÀ¼r

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB525699A (en) * 1939-02-27 1940-09-03 Robert Pickett Improvements in or relating to the construction of roads and like surfaces or foundations
DE723903C (de) * 1938-12-13 1942-08-13 Walter Bernatzik Dr Ing Verfahren zur Verdichtung natuerlicher oder kuenstlicher, wassergesaettigter, loser Bodenmassen
NL6410678A (de) * 1963-10-03 1965-04-05
US3283518A (en) * 1965-04-15 1966-11-08 Norman R Toffolon Soil footing
NL6810346A (de) * 1967-07-24 1969-01-28
FR2104055A5 (de) * 1970-08-06 1972-04-14 Salzgitter Peine Stahlwerke
US3839518A (en) * 1971-04-05 1974-10-01 Dow Chemical Co Method of making and using foam plastic frost barrier and thermal insulation
NL8501116A (nl) * 1985-04-16 1986-11-17 Voorbij S Beton B V Constructiemateriaal en werkwijze voor het vervaardigen van een lichaam.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE723903C (de) * 1938-12-13 1942-08-13 Walter Bernatzik Dr Ing Verfahren zur Verdichtung natuerlicher oder kuenstlicher, wassergesaettigter, loser Bodenmassen
GB525699A (en) * 1939-02-27 1940-09-03 Robert Pickett Improvements in or relating to the construction of roads and like surfaces or foundations
NL6410678A (de) * 1963-10-03 1965-04-05
US3283518A (en) * 1965-04-15 1966-11-08 Norman R Toffolon Soil footing
NL6810346A (de) * 1967-07-24 1969-01-28
FR2104055A5 (de) * 1970-08-06 1972-04-14 Salzgitter Peine Stahlwerke
US3839518A (en) * 1971-04-05 1974-10-01 Dow Chemical Co Method of making and using foam plastic frost barrier and thermal insulation
NL8501116A (nl) * 1985-04-16 1986-11-17 Voorbij S Beton B V Constructiemateriaal en werkwijze voor het vervaardigen van een lichaam.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0456331A1 (de) * 1990-05-10 1991-11-13 Voorbij Groep B.V. Methode zum Verschieben einer plattenförmigen Unterlage und Abdichtung dafÀ¼r

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