EP0918111A1 - Procédé d'ancrage dans le sol d'un regard d'assainissement, et regard d'assainissement ainsi ancré ou pour un tel ancrage - Google Patents

Procédé d'ancrage dans le sol d'un regard d'assainissement, et regard d'assainissement ainsi ancré ou pour un tel ancrage Download PDF

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Publication number
EP0918111A1
EP0918111A1 EP98402780A EP98402780A EP0918111A1 EP 0918111 A1 EP0918111 A1 EP 0918111A1 EP 98402780 A EP98402780 A EP 98402780A EP 98402780 A EP98402780 A EP 98402780A EP 0918111 A1 EP0918111 A1 EP 0918111A1
Authority
EP
European Patent Office
Prior art keywords
manhole
fact
retaining means
link
ground
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Withdrawn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
EP98402780A
Other languages
German (de)
English (en)
French (fr)
Inventor
Martial Cipriani
Michel Durand
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.)
Alphacan SAS
Original Assignee
Alphacan SAS
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 Alphacan SAS filed Critical Alphacan SAS
Publication of EP0918111A1 publication Critical patent/EP0918111A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/124—Shaft entirely made of synthetic material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/10—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure
    • E02D31/12—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against soil pressure or hydraulic pressure against upward hydraulic pressure

Definitions

  • the invention relates to an anchoring method in the soil with a sanitation look, especially made of plastic.
  • the object of the invention is, above all, to provide a method of anchoring a sanitation look in the soil that is easy to use, quick and economical while ensuring sufficient maintenance of the look against Archimedes' push in a water table.
  • the method of anchoring in the soil with a sanitation look, especially in plastic, in the presence of a water table suitable for exerting an Archimedes push on this look is characterized by the fact that a recovery of Archimedes' pushing effort on the gaze by friction in the ground of at least one retaining means of sufficient length and area, cooperating with the look.
  • it ensures a recovery substantially horizontal vertical pushing force.
  • two retaining means are planned to work in parallel on both sides of the look.
  • Each retaining means preferably comprises: at least one link or frame, in particular extending substantially horizontal.
  • the link can consist of a rigid bar, in particular metallic, or by a flexible link, in especially a cable, in particular a metal cable.
  • the link is preferably intended to present a maximum elongation of 1% (one percent) under the effect of the force exerted on him by the gaze subjected to Archimedes' push.
  • the look to be anchored generally includes at least a stop member capable of cooperating with the means of detention.
  • the stop member can be constituted by a tab, in particular provided with an opening which is crossed by the retaining means.
  • the retaining means can be constituted by at minus a flexible link caught in the mass of the gaze plastic material, and rolled up or folded for storage and the transport of the gaze, while this flexible link is deployed when the manhole is placed in the ground.
  • the or each retaining means is advantageously buried in the same trench than the pipe (s) connected to the look.
  • the retaining means can be made in one material not subject to corrosion in a humid environment, especially in polymer such as reinforced polyethylene by polyester fibers, or by a steel cable protected, for example a steel cable coated with a sheath made of plastic, especially polyvinyl chloride (PVC).
  • polymer such as reinforced polyethylene by polyester fibers
  • steel cable protected for example a steel cable coated with a sheath made of plastic, especially polyvinyl chloride (PVC).
  • PVC polyvinyl chloride
  • the retaining means may have a length of around ten meters.
  • the invention also relates to a look sanitation anchored in the ground by a process such as defined above, and characterized by the fact that it cooperates with at least one retaining means extending substantially horizontal in the ground at the bottom looking and resuming the effort of Archimedes' push by friction in the ground.
  • the manhole can include a stop member cooperating with the retaining means, in particular a leg crossed by this retaining means.
  • a look of sanitation for an anchoring as defined above partly comprises low at least one link, especially flexible, taken in the plastic mass of the gaze and forming means of restraint.
  • the invention consists, apart from the provisions outlined above, in a number other provisions which will be more explicitly question below about an example particular described with reference to the attached drawing, but which is in no way limiting.
  • Figure 1 is a view schematic of a look implanted in the ground, with part outside and part torn off, anchored according to the process of the invention.
  • Figure 2 finally, is a section along the line II-II of Figure 1, with representation of the only lower part of the gaze.
  • the manhole R can be produced by rotational molding. he comprises a hollow body 1, of generally cylindrical shape, of axis A-A substantially vertical. This hollow body 1 is fitted in the lower part with end pieces 2 projecting radially, in one piece with body 1, for connection to sewerage lines C.
  • the look R is anchored in the ground S.
  • Such anchoring is provided in particular when the gaze is implanted in a water table and undergoes a push Archimedes F, directed upwards.
  • a manhole R of cylindrical shape of diameter equal to 1 meter and a height of 2 meters, can undergo in a water table a push F upwards equal to weight of the volume of water displaced, i.e. around 1600 daN.
  • the gaze tends to rise below the action of such a push, in the absence of an anchor in the ground, which is detrimental to its use.
  • the resumption of the pushing force is preferably substantially horizontal.
  • the or each retaining means T is constituted by a link B, or frame, embedded in the ground around the gaze A.
  • the link B cooperates with a stop member, forming fixing or hanging means, provided in the lower part look R.
  • the stop member can be in particular constituted by a tab 4 provided with an opening 3 crossed by link B.
  • two legs 4 are provided, namely a tab on each side of the manhole lower part. These legs 4 constitute feet on which the gaze can lean on when placed in vertical station on a horizontal surface.
  • the paws 4 are diametrically opposite and located on either side on the other side of a channel or cunette 5 forming part integral with body 1 and constituting a closed bottom of this body.
  • the opening 3 crosses the tab 4 along a direction perpendicular to the middle plane of this leg and parallel to the longitudinal axis of the cunette 5.
  • the link B can consist of a bar rigid, in particular metallic, or by a flexible link 6, extending substantially horizontally, following a essentially radial or transverse direction opposite look R.
  • Link B is advantageously provided for have a maximum elongation of 1% (one percent) under the force of the gaze exerted on him subject to Archimedes' push.
  • At least two links B, 6 are planned to work in parallel, i.e. so that their restraint efforts add up.
  • the links respectively pass through the two openings 3.
  • two links 6 pass through each opening 3, a total of four links to retain the look.
  • the link 6 is preferably made in all material not subject to corrosion in a humid environment.
  • the flexible link 6 is advantageously constituted by a cable 7, in particular a metal cable coated with a protective sheath, for example PVC. He can too be made of a polymer such as polyethylene reinforced with polyester fibers.
  • the link may consist of a galvanized strip, especially notched, or a strip made of plastic, or a connecting means equivalent, as long as it does not stretch so unacceptable in its conditions of use.
  • the link 6 is applied stretched in close contact with a sight stop zone R to be anchored.
  • the stop zone is formed on the tab 4 through the lower surface of the opening 3. This discharges any sensitive component of vertical thrust the connections between the end pieces 2 and the piping C.
  • a gasket in elastic material is provided between a line C and the corresponding tip 2; such a joint presents a certain crushing capacity so that even if a slight shift of gaze R occurs before the vertical thrust is not taken up by the flexible link 6, this is not accompanied by any appreciable disadvantage to the level of the connection between manhole and pipe.
  • the link 6 is advantageously buried in the same trench as the pipe (s) C connected to the look R.
  • the flexible link 6 can be secured to the gaze from the manufacturing by taking in the mass thermoplastic look. It is enough to provide the presence of link 6 from the design of the mold rotational molding for manhole R. Flexible link 6 can be rolled up or folded for storage and transport and be unrolled during placement in the ground.
  • the half length L / 2 of cable 7 (Fig. 1) can be of the order of 5 meters on each side of the leg anchor 4, or 10 meters for the total length L. This length is determined depending on the case, depending the lateral surface of the link, its depth landfill, the nature of the soil and the dimensions of the look to anchor.
  • link 6 is advantageously installed at the bottom of the excavation, in the trench of a pipe, and is stretched according to the direction of the pipe by cooperating with a stop the look. The excavation is then filled with backfill compacted to create maximum friction from the ground on link 6.
  • each cable 7 consists of a strand of seven steel cables of a diameter of 3.3 mm each, the strand being coated with a polyvinyl chloride (PVC) sheath.
  • PVC polyvinyl chloride
  • the diameter outside of the cable is 12 mm, the diameter of the strand is 10 mm.
  • the sheath could also be in polyethylene.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Road Paving Structures (AREA)
EP98402780A 1997-11-20 1998-11-10 Procédé d'ancrage dans le sol d'un regard d'assainissement, et regard d'assainissement ainsi ancré ou pour un tel ancrage Withdrawn EP0918111A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9714560 1997-11-20
FR9714560A FR2771114B1 (fr) 1997-11-20 1997-11-20 Procede d'ancrage dans le sol d'un element, notamment d'un regard d'assainissement, et regard d'assainissement ainsi ancre ou pour un tel ancrage

Publications (1)

Publication Number Publication Date
EP0918111A1 true EP0918111A1 (fr) 1999-05-26

Family

ID=9513581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98402780A Withdrawn EP0918111A1 (fr) 1997-11-20 1998-11-10 Procédé d'ancrage dans le sol d'un regard d'assainissement, et regard d'assainissement ainsi ancré ou pour un tel ancrage

Country Status (4)

Country Link
EP (1) EP0918111A1 (no)
FR (1) FR2771114B1 (no)
NO (1) NO985289L (no)
PL (1) PL329757A1 (no)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10044823C1 (de) * 2000-09-11 2002-02-07 Bkp Berolina Polyester Auftriebssicherung von eingeerdeten Behältern
DE10039534A1 (de) * 2000-08-08 2002-02-21 Karl Ploetner Auftriebsgesicherte Vorrichtung
FR2824571A1 (fr) * 2001-05-11 2002-11-15 Sonabat Chantal Regard fabrique par rotomoulage, a embouts adaptes, moule, element de moule et manchon correspondants
FR2824572A1 (fr) * 2001-05-11 2002-11-15 Anisa Regard fabrique par rotomoulage, a embouts adaptes, moule, element de moule et manchon correspondants
EP1310604A1 (de) * 2001-11-13 2003-05-14 DROSSBACH GmbH & Co. KG Dränschacht und Verfahren zu seiner Herstellung
BE1015353A3 (nl) * 2003-02-11 2005-02-01 Valck Filip De Kunststof mangat met toebehoren voor regenwatertank.
DE10052885B4 (de) * 1999-10-25 2006-07-13 Grundfos Management A/S Vorrichtung, welche der Auftriebskraft, die auf eine Pumpstation wirkt, entgegenwirkt

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089139A (en) * 1976-08-24 1978-05-16 Armco Steel Corporation Segmented cylindrical reinforced plastic manhole structure
NL8100309A (nl) * 1981-01-23 1982-08-16 Bernard Jan Heddendorp Prefab-kelder.
JPH0742479A (ja) * 1993-07-30 1995-02-10 Yoshiji Matsumoto 立坑の構築方法および立坑
DE19519376A1 (de) * 1995-05-26 1996-11-28 Josef Dipl Ing Dumsch Schacht
DE19520363A1 (de) * 1995-06-08 1996-12-12 Abo Ges Fuer Anwendung Und Ber Verfahren zum Verlegen von Leitungen in Böden geringer oder wechselnder Tragfähigkeit
JPH0988108A (ja) * 1995-09-20 1997-03-31 Aron Kasei Co Ltd 樹脂製マンホールの浮き防止構造

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089139A (en) * 1976-08-24 1978-05-16 Armco Steel Corporation Segmented cylindrical reinforced plastic manhole structure
NL8100309A (nl) * 1981-01-23 1982-08-16 Bernard Jan Heddendorp Prefab-kelder.
JPH0742479A (ja) * 1993-07-30 1995-02-10 Yoshiji Matsumoto 立坑の構築方法および立坑
DE19519376A1 (de) * 1995-05-26 1996-11-28 Josef Dipl Ing Dumsch Schacht
DE19520363A1 (de) * 1995-06-08 1996-12-12 Abo Ges Fuer Anwendung Und Ber Verfahren zum Verlegen von Leitungen in Böden geringer oder wechselnder Tragfähigkeit
JPH0988108A (ja) * 1995-09-20 1997-03-31 Aron Kasei Co Ltd 樹脂製マンホールの浮き防止構造

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 095, no. 005 30 June 1995 (1995-06-30) *
PATENT ABSTRACTS OF JAPAN vol. 097, no. 007 31 July 1997 (1997-07-31) *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052885B4 (de) * 1999-10-25 2006-07-13 Grundfos Management A/S Vorrichtung, welche der Auftriebskraft, die auf eine Pumpstation wirkt, entgegenwirkt
DE10039534A1 (de) * 2000-08-08 2002-02-21 Karl Ploetner Auftriebsgesicherte Vorrichtung
DE10039534C2 (de) * 2000-08-08 2002-06-13 Karl Ploetner Auftriebsgesicherte Vorrichtung
DE10044823C1 (de) * 2000-09-11 2002-02-07 Bkp Berolina Polyester Auftriebssicherung von eingeerdeten Behältern
FR2824571A1 (fr) * 2001-05-11 2002-11-15 Sonabat Chantal Regard fabrique par rotomoulage, a embouts adaptes, moule, element de moule et manchon correspondants
FR2824572A1 (fr) * 2001-05-11 2002-11-15 Anisa Regard fabrique par rotomoulage, a embouts adaptes, moule, element de moule et manchon correspondants
EP1310604A1 (de) * 2001-11-13 2003-05-14 DROSSBACH GmbH & Co. KG Dränschacht und Verfahren zu seiner Herstellung
BE1015353A3 (nl) * 2003-02-11 2005-02-01 Valck Filip De Kunststof mangat met toebehoren voor regenwatertank.

Also Published As

Publication number Publication date
FR2771114A1 (fr) 1999-05-21
NO985289L (no) 1999-05-21
PL329757A1 (en) 1999-05-24
FR2771114B1 (fr) 1999-12-17
NO985289D0 (no) 1998-11-13

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