EP0758617A1 - Storage tank suitable for resisting the upthrust due to buoyancy - Google Patents

Storage tank suitable for resisting the upthrust due to buoyancy Download PDF

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Publication number
EP0758617A1
EP0758617A1 EP96401377A EP96401377A EP0758617A1 EP 0758617 A1 EP0758617 A1 EP 0758617A1 EP 96401377 A EP96401377 A EP 96401377A EP 96401377 A EP96401377 A EP 96401377A EP 0758617 A1 EP0758617 A1 EP 0758617A1
Authority
EP
European Patent Office
Prior art keywords
tank
base
less
buoyancy
resisting
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.)
Granted
Application number
EP96401377A
Other languages
German (de)
French (fr)
Other versions
EP0758617B1 (en
Inventor
Joel Bouillis
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.)
Metallurgique Liotard Freres SA Ste
Original Assignee
Metallurgique Liotard Freres SA Ste
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 Metallurgique Liotard Freres SA Ste filed Critical Metallurgique Liotard Freres SA Ste
Publication of EP0758617A1 publication Critical patent/EP0758617A1/en
Application granted granted Critical
Publication of EP0758617B1 publication Critical patent/EP0758617B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/76—Large containers for use underground
    • 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
    • E02D27/38—Foundations for large tanks, e.g. oil tanks

Definitions

  • the invention breaks with this technique by a tank comprising a substantially cylindrical tank resting on a base and secured to the latter in particular by straps.
  • the ratio of the surface of the projection, on a horizontal plane and in the vertical direction, of the tank to the surface of the base is less than 0.8 and in particular to 0.6 in particular for tanks of '' a volume of approximately 2m 3 .
  • the base Preferably, to give sufficient mechanical strength to the base and allow it to support the tank well, it consists of a slatted floor.
  • the grating also facilitates the securing of the tank to the base which is preferably carried out by straps but can also be carried out by bolting or the like.
  • the tank according to the invention comprises a tank 1 resting by four feet 2 on a base 3 constituted in the form of a grating of blades.
  • the tank or its envelope could be in direct contact with the grating 3 without interposition of feet by providing simple wedges.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sewage (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Cleaning In General (AREA)
  • Catching Or Destruction (AREA)
  • Closures For Containers (AREA)

Abstract

The cistern comprises a cylindrical tank (1). The tank is mounted on a base (3) made from slats or of a plastics material, which has a density of less than 1.2. The area of the base is such that the area of the tank projected onto it is less than 0.8:1, preferably less than 0.6:1. The tank is attached to the base by straps (4). A base of the area and made from the materials described receives sufficient pressure from the ground to resist any upward thrust.

Description

L'invention se rapporte à des citernes, notamment à celles destinées à être enterrées.The invention relates to tanks, in particular to those intended to be buried.

Lorsque ces citernes sont enterrées dans un terrain humide, elles ont tendance à remonter sous l'effet de la poussée d'Archimède. A l'heure actuelle le problème est résolu en ancrant la citerne sur des dalles en béton dont le poids est tel que la densité de l'ensemble de la citerne et des dalles en empêche la remontée. Une telle façon de faire est coûteuse que les dalles soient faites sur place ou qu'elles soient préfabriquées et mises en place au moment de l'installation de la citerne.When these tanks are buried in wet ground, they tend to rise under the effect of Archimedes' push. At the present time the problem is solved by anchoring the tank on concrete slabs whose weight is such that the density of the entire tank and slabs prevents it from rising. Such a procedure is expensive whether the slabs are made on site or are prefabricated and put in place when the tank is installed.

L'invention rompt avec cette technique par une citerne comprenant une cuve sensiblement cylindrique reposant sur un socle et arrimée à celui-ci notamment par des sangles. Suivant l'invention, le rapport de la surface de la projection, sur un plan horizontal et suivant la direction verticale, de la cuve à la surface du socle est inférieur à 0,8 et notamment à 0,6 en particulier pour des citernes d'un volume de 2m3 environ.The invention breaks with this technique by a tank comprising a substantially cylindrical tank resting on a base and secured to the latter in particular by straps. According to the invention, the ratio of the surface of the projection, on a horizontal plane and in the vertical direction, of the tank to the surface of the base is less than 0.8 and in particular to 0.6 in particular for tanks of '' a volume of approximately 2m 3 .

On ne cherche plus à lester la cuve mais à disposer autour de celle-ci sur le socle d'une surface suffisante pour que la poussée des terres s'oppose efficacement à la remontée de la citerne.We no longer seek to ballast the tank but to have around it on the base a sufficient surface for the push of the earth effectively opposes the rise of the tank.

Dans ces conditions, il n'est plus nécessaire de constituer le socle en béton ou autre matériau de grande densité. On peut se contenter d'une matière de masse volumique inférieure à 1,2 bien plus facile à mettre en place et moins coûteuse, ce peut être notamment une matière plastique par exemple sous forme de profilés réalisés à partir de matériaux recyclés.Under these conditions, it is no longer necessary to constitute the base of concrete or other high density material. We can be satisfied with a material density less than 1.2 much easier to set up and less costly, it can in particular be a plastic material, for example in the form of profiles made from recycled materials.

De préférence, pour donner néanmoins une résistance mécanique suffisante au socle et lui permettre de bien supporter la citerne, il est constitué d'un caillebotis de lames. Le caillebotis facilite aussi l'arrimage de la citerne au socle qui s'effectue de préférence par des sangles mais peut s'effectuer également par boulonnage ou autre.Preferably, to give sufficient mechanical strength to the base and allow it to support the tank well, it consists of a slatted floor. The grating also facilitates the securing of the tank to the base which is preferably carried out by straps but can also be carried out by bolting or the like.

Au dessin annexé, donné uniquement à titre d'exemple :

  • La figure 1 est une vue en coupe d'une citerne enterrée suivant l'invention et
  • la figure 2 en est une vue en perspective.
In the attached drawing, given solely by way of example:
  • Figure 1 is a sectional view of a buried tank according to the invention and
  • Figure 2 is a perspective view.

La citerne suivant l'invention comprend une cuve 1 reposant par quatre pieds 2 sur un socle 3 constitué sous la forme d'un caillebotis de lames. La cuve ou son enveloppe pourrait être en contact directement avec le caillebotis 3 sans interposition de pieds en prévoyant de simples cales.The tank according to the invention comprises a tank 1 resting by four feet 2 on a base 3 constituted in the form of a grating of blades. The tank or its envelope could be in direct contact with the grating 3 without interposition of feet by providing simple wedges.

La cuve est arrimée par des sangles 4 au caillebotis 3. Le rapport de la surface de la projection, sur le caillebotis 3 et suivant la direction verticale, de la cuve à la surface du socle est inférieur à 0,6.The tank is secured by straps 4 to the grating 3. The ratio of the surface of the projection, on the grating 3 and in the vertical direction, from the tank to the surface of the base is less than 0.6.

Claims (4)

Citerne comprenant une cuve (1) sensiblement cylindrique reposant sur un socle (3) et arrimée à celui-ci, caractérisée en ce que le rapport de la surface de la projection, sur un plan horizontal et suivant la direction verticale, de la cuve (1) à la surface du socle (3) est inférieur à 0,8 et de préférence à 0,6.Cistern comprising a substantially cylindrical tank (1) resting on and anchored to a base (3), characterized in that the ratio of the projection surface, on a horizontal plane and in the vertical direction, of the tank ( 1) the surface of the base (3) is less than 0.8 and preferably 0.6. Citerne suivant la revendication 1, caractérisée en ce que le socle est en une matière de masse volumique inférieure à 1,2.Cistern according to claim 1, characterized in that the base is made of a material with a density less than 1.2. Citerne suivant les revendications 1 ou 2, caractérisée en ce que le socle est constitué d'un caillebotis de lames.Tank according to claim 1 or 2, characterized in that the base consists of a slatted grating. Citerne suivant l'une des revendications précédentes, caractérisée en ce que le socle est en une matière plastique.Tank according to one of the preceding claims, characterized in that the base is made of a plastic material.
EP96401377A 1995-08-16 1996-06-21 Storage tank suitable for resisting the upthrust due to buoyancy Expired - Lifetime EP0758617B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509823A FR2737887B1 (en) 1995-08-16 1995-08-16 TANK CAPABLE OF RESISTING ARCHIVED DRIVE
FR9509823 1995-08-16

Publications (2)

Publication Number Publication Date
EP0758617A1 true EP0758617A1 (en) 1997-02-19
EP0758617B1 EP0758617B1 (en) 1999-09-22

Family

ID=9481929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96401377A Expired - Lifetime EP0758617B1 (en) 1995-08-16 1996-06-21 Storage tank suitable for resisting the upthrust due to buoyancy

Country Status (6)

Country Link
EP (1) EP0758617B1 (en)
AT (1) ATE184852T1 (en)
DE (1) DE69604351T2 (en)
DK (1) DK0758617T3 (en)
ES (1) ES2137639T3 (en)
FR (1) FR2737887B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787477A1 (en) * 1998-12-18 2000-06-23 Roger Simonny Anchoring base for underground tank containing low-density substance has additional hinged panels to increase area covered with earth
EP1160385A1 (en) * 2000-05-31 2001-12-05 GLI International Process and apparatus for anchoring a container inside a pit
EP1433722A1 (en) * 2002-12-27 2004-06-30 Barth, Stefanie System for preventing the bouyancy of subsurface installed liquid gas tanks

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202018105827U1 (en) * 2018-10-11 2018-11-27 SKG Umwelttechnik GmbH & Co. KG Buoyancy protection for an earth-covered container and earth-covered container to be erected with such a buoyancy protection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678868A (en) * 1969-04-03 1972-07-25 Kyowa Electric Pallet
FR2297786A1 (en) * 1975-03-28 1976-08-13 Laurencot Jean Tank for underground storage - has lifting eye on top and stays on sides attached to lines fixed in concrete foundation
GB2106168A (en) * 1981-09-15 1983-04-07 Textiles Limited Spa Securing a body to a base of settable material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678868A (en) * 1969-04-03 1972-07-25 Kyowa Electric Pallet
FR2297786A1 (en) * 1975-03-28 1976-08-13 Laurencot Jean Tank for underground storage - has lifting eye on top and stays on sides attached to lines fixed in concrete foundation
GB2106168A (en) * 1981-09-15 1983-04-07 Textiles Limited Spa Securing a body to a base of settable material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2787477A1 (en) * 1998-12-18 2000-06-23 Roger Simonny Anchoring base for underground tank containing low-density substance has additional hinged panels to increase area covered with earth
EP1160385A1 (en) * 2000-05-31 2001-12-05 GLI International Process and apparatus for anchoring a container inside a pit
FR2809753A1 (en) * 2000-05-31 2001-12-07 Gaz Liquefies Ind METHOD AND DEVICE FOR ANCHORING A LARGE VOLUME CONTAINER IN A PIT
EP1433722A1 (en) * 2002-12-27 2004-06-30 Barth, Stefanie System for preventing the bouyancy of subsurface installed liquid gas tanks

Also Published As

Publication number Publication date
EP0758617B1 (en) 1999-09-22
DE69604351D1 (en) 1999-10-28
FR2737887A1 (en) 1997-02-21
DE69604351T2 (en) 2000-03-30
ES2137639T3 (en) 1999-12-16
DK0758617T3 (en) 1999-12-20
ATE184852T1 (en) 1999-10-15
FR2737887B1 (en) 1997-09-19

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