EP3199708B1 - Enceinte de fouille et procédé de fabrication d'une enceinte de fouille - Google Patents

Enceinte de fouille et procédé de fabrication d'une enceinte de fouille Download PDF

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Publication number
EP3199708B1
EP3199708B1 EP16153356.7A EP16153356A EP3199708B1 EP 3199708 B1 EP3199708 B1 EP 3199708B1 EP 16153356 A EP16153356 A EP 16153356A EP 3199708 B1 EP3199708 B1 EP 3199708B1
Authority
EP
European Patent Office
Prior art keywords
receiving bore
enclosure
sealing
joint
wall
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.)
Not-in-force
Application number
EP16153356.7A
Other languages
German (de)
English (en)
Other versions
EP3199708A1 (fr
Inventor
Klaus Dr. Idda
Andreas Ackermann
Christian Lorenz
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.)
Bauer Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau GmbH
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 Bauer Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Priority to EP16153356.7A priority Critical patent/EP3199708B1/fr
Priority to PCT/EP2016/081441 priority patent/WO2017129319A1/fr
Publication of EP3199708A1 publication Critical patent/EP3199708A1/fr
Application granted granted Critical
Publication of EP3199708B1 publication Critical patent/EP3199708B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E02D5/14—Sealing joints between adjacent sheet piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/02—Foundation pits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D19/00—Keeping dry foundation sites or other areas in the ground
    • E02D19/02—Restraining of open water

Definitions

  • the invention relates to a method for constructing a construction pit enclosure in which a substantially vertical enclosure wall of slotted wall panels is created in the ground, the vertical joints are sealed by means of a joint sealing strip, the floor is dug within the enclosure wall, and a substantially horizontal floor slab is provided, which adjoins the enclosing wall, according to the preamble of claim 1.
  • the invention further relates to a construction pit enclosure having a substantially vertical enclosure wall in the bottom formed by slot wall panels whose vertical joints are sealed by a joint sealing strip and a substantially horizontal floor plate adjacent to the enclosure wall and sealing the excavation downwardly the preamble of claim 10.
  • the enclosure wall is composed of prefabricated reinforced concrete parts, which are arranged vertically one above the other and clamped together.
  • an enclosure wall is first created in the ground.
  • the enclosure wall is created from individual stitches or Schlitzwandpanelen, which form an annularly closed Umsch widelyungswand together. Subsequently, the soil is excavated within the enclosure wall to form the excavation.
  • a bottom plate In a lower area, a bottom plate is provided, which seals the pit against a groundwater passage from below.
  • the bottom plate may be formed by a water-barrier bottom layer or made as a structural part. Between the vertical Schlitzwandpanelen form joints, which represent leaking areas.
  • a generic method for producing a trench wall for a Baugrubenumschbine is described in detail.
  • a slot is first created in the ground, which is filled with a curable composition.
  • a formwork element is used in the not yet cured mass, which is provided with a joint sealing tape.
  • the formwork element is removed leaving the joint sealing strip in a central area along the vertical butt joint between the two trench wall panels thus created.
  • the joint sealing tape ensures that no water flows laterally into the excavated excavation along the joint between the two slotted wall panels.
  • a horizontal seal may be provided along the horizontal butt joint, which is formed between the bottom plate and the surrounding enclosing wall. That's how it describes EP 2 549 021 B1 a water reservoir with a shaft wall made of slotted wall panels and a concrete floor slab. The bottom plate is connected via dowels or a projection with the shaft wall. In the corner region between shaft wall and bottom plate, a horizontal annular sealing device is provided.
  • joint sealing strips and sealing devices are often not sufficient to seal a construction pit enclosure thus created against water penetration.
  • the invention has for its object to provide a Baugrubenumsch admiration and a method for creating a Baugrubenumschiff, which is made possible in an efficient manner, a particularly dense Baugrubenumschiff.
  • the object is achieved on the one hand by a method having the features of claim 1 and a construction pit enclosure having the features of claim 10.
  • Preferred embodiments are given in the respective dependent claims.
  • the inventive method for creating a Baugrubenumsch well is characterized in that at least one vertical butt joint between two adjacent Schlitzwandpanelen in the Umsch conductedungswand a extending to the joint sealing tape receiving bore is introduced and that in the receiving bore a sealing element is introduced to form a horizontal seal.
  • the invention is based on the finding that when water enters a generously constructed excavation enclosure, the water substantially penetrates along the vertical joints in a region which extends between a substantially centrally located joint tape between the diaphragm wall panels and the floor slab.
  • the water can rise due to capillary forces vertically in the butt joint upwards and thus penetrate past the bottom plate in the excavation.
  • an approximately horizontal receiving bore is introduced at the vertical butt joint between two adjacent Schlitzwandpanelen in the Umsch thoroughlyungswand, which extends to the joint sealing tape.
  • a sealing element is then introduced, which seals the receiving bore and thus the critical area of the vertical butt joint between the vertical joint sealing strip and the adjacent base plate.
  • a preferred embodiment of the invention is that the at least one receiving bore is introduced at the level of the bottom plate in the Umsch widelyungswand.
  • the receiving bore can preferably be created horizontally or at an oblique angle. This allows the shortest possible and thus efficient bore.
  • the bottom plate may be formed by a water-barrier bottom layer, which is natural or sealed by gel injections, or as a structural part, such as concrete.
  • the receiving bore can be introduced directly over an existing base plate in the Umsch solvedungswand.
  • the bottom plate is created and that the at least one receiving bore is introduced before the bottom plate is produced.
  • the receiving bore can be created in particular at the height level of the bottom plate. After sealing, a bottom plate can then be made separately, such as by concreting.
  • the receiving bore is introduced from an inner side of the enclosing wall to the vertical joint sealing tape or beyond in the Umsch widelyungswand.
  • the receiving bore extends horizontally or at a certain angle of inclination until the receiving bore comes close to the joint sealing tape or this preferably contacted.
  • the receiving bore thus extends transversely to the vertical butt joint, so that after introduction of the sealing element capillary rising of water between the vertical joint sealing strip and the bottom plate is prevented.
  • the receiving bore can be introduced beyond the sealing strip into the enclosing wall. In this case, the joint sealing strip is removed during the introduction of the bore in this area and the sealing function is then taken over by the introduced sealing element.
  • the receiving bore to the outside of the enclosing wall so that the sealing band extends transversely through the enclosure wall and the vertical butt joint between the two adjacent slot wall panels is sealed over the entire panel width.
  • the bottom plate adjoins the enclosing wall to form a horizontal butt joint, which is sealed with a horizontal seal.
  • the horizontal seal may be an annular sealing device, in particular a sealing tape which has been folded over the corner.
  • the horizontal seal extends annularly along the edge of the entire bottom plate.
  • the vertical joint sealing tape can be arranged between the individual slot wall panels in any suitable manner.
  • the slot wall panels also called sealing wall panels, can be made in any way by creating and filling a hole in the ground, such as by drilling.
  • the slot or sealing wall thus produced may be referred to as a bored pile wall.
  • a preferred embodiment of the invention is that the trench wall panels are made progressively by means of a trench grab or wall trench by creating slots in the ground which are filled with a curable composition and prior to curing the vertical joint sealant tape is inserted into the slot.
  • the insertion of the vertical joint sealing strip can in particular be effected in a known manner with a shuttering element, by means of which a defined side surface of each slot wall panel is predetermined.
  • the Abschalelement is removed in a known manner again from the slot.
  • the method according to the invention is further developed in a preferred manner in that the sealing element has a cylindrical outer circumference, which is suitably inserted into the receiving bore.
  • the sealing element has a length which is smaller than, equal to or greater than the introduced receiving bore.
  • the Inserted sealing element with a press fit or clearance in the receiving bore.
  • the sealing element has a fixed metal sleeve which is fastened with a connecting mass and / or a fastening element in the receiving bore.
  • the sealing element is formed overall as a metal sleeve, wherein the metal sleeve may be a tubular body or an at least largely solid rod member.
  • the metal sleeve is preferably used with a defined clearance in the receiving bore, with a clearance between the bore wall and the outside of the metal sleeve is given. In this space, a mortar or other compound and sealant can be injected, through which the metal sleeve is anchored fluid-tight in the receiving bore.
  • any suitable material in particular a mortar, can be used as the sealing and anchoring compound.
  • the metal sleeve can extend over the entire length of the receiving bore or only over a partial area.
  • the metal sleeve can be anchored to the enclosing wall with a fastening element, such as an annular flange.
  • the sealing element has a flexible hose sleeve which is inserted with play in the receiving bore, and that the hose sleeve is filled with a filling compound which expands the hose sleeve and anchored firmly and sealingly in the receiving bore ,
  • the hose sleeve has a clearance fit to the diameter of the receiving bore, so that the hose sleeve can be easily used.
  • the hose may be formed of rubber, a plastic or a textile material.
  • the outer circumference of the hose sleeve is widened and pressed tightly against the wall of the receiving bore. After hardening of the filling compound, a sealing element fitting tightly in the receiving bore is produced.
  • the hose sleeve preferably extends over the entire length of the receiving bore or only over a partial area.
  • a combination of hose sleeve and metal sleeve may be provided be, wherein one or more length ranges of the sealing element are each formed from a hose sleeve or a metal sleeve.
  • the invention further comprises a construction pit enclosure, which in particular is produced according to the method described above.
  • the construction pit enclosure according to the invention is characterized in that at at least one vertical butt joint between two adjacent Schlitzwandpanelen in the Umsch conductedungswand a extending to the joint sealing tape receiving bore is formed, and that in the receiving bore a sealing element is introduced for forming a horizontal seal.
  • a preferred development of the construction pit enclosure according to the invention is that a receiving bore with sealing element is arranged on each vertical butt joint.
  • a particularly reliable sealing is achieved according to a development of the invention in that the sealing element extends from an inner side of the enclosing wall at least as far as the joint sealing strip along the vertical butt joint.
  • the sealing element which is arranged horizontally or with a certain helix angle to the horizontal, so a reliable blocking of the vertical butt joint against rising water is achieved.
  • the invention comprises a sealing element for a method or a construction pit enclosure, which have been described above.
  • This is according to the invention characterized in that the sealing element is cylindrical and adapted to a receiving bore in a Umsch conductedungswand a Baugrubenumschmother.
  • a preferred embodiment according to the invention is that the sealing element has a solid metal sleeve.
  • the metal sleeve is suitable, in particular formed with a clearance fit to the diameter of the receiving bore.
  • the solid metal sleeve is firmly and sealingly anchored in the receiving bore by means of a sealant.
  • the sealing element has a flexible hose sleeve, which is preferably filled with a swellable filling compound.
  • a swellable filling compound By swelling the filling compound, the elastic hose sleeve, which may be a rubber or plastic hose in particular, defined in diameter widens, so that the outer circumference of the hose sleeve tight and water-tight against the wall of the receiving bore.
  • the swellable filling compound can harden, so that a reliable and stable anchoring of the sealing element takes place in the enclosing wall.
  • the construction pit enclosure 10 has an annularly closed enclosure wall 12, of which only partially two slotted wall panels 14 according to FIG Fig. 1 are shown.
  • the slot wall panels 14 have a substantially rectangular cross section. However, it may also be provided oval-shaped or circular cross-sections. Due to the process, the individual slot wall panels 14 are produced separately, with a vertical butt joint 16 forming between two adjacent slot wall panels 14.
  • the vertical butt joint 16 extends from a bottom area to the upper end of the respective adjacent slot wall panels 14.
  • a joint tape 18 is placed in the creation of the slot wall panels 14, even before the Slot wall panels 14 are cured.
  • the slot wall panels 14 are made in a conventional manner from a mortar or concrete and are optionally provided with a metal reinforcement.
  • the construction pit enclosure 10 has a base plate 20.
  • the bottom plate 20 is in the illustrated embodiment according to Fig. 2 also made of concrete and is connected via a projection 22 form-fitting manner with the enclosing wall 12.
  • a horizontal butt joint 24 is formed, which forms in an annular manner along the enclosing wall 12 to the bottom plate 20.
  • a receiving bore 15 is introduced before creating the bottom plate 22 in the enclosing wall 12 in the region of the vertical butt joint 16.
  • a cylindrical sealing element 30 is inserted, through which the vertical butt joint 16 is sealed horizontally.
  • Adjacent to the sealing element 30 is in the illustrated embodiment in the lower region of the bottom plate 20 along the horizontal butt joint 24, a horizontal seal 28, which is formed as an annular sealing band provided. The horizontal seal 28 prevents ingress of moisture or water along the annular horizontal butt joint 24 on the bottom plate 20.
  • a detail view of the seal according to the invention is shown, wherein in the receiving bore 15 in the slot wall panel 14, a sealing element 30 is inserted, which is designed as a hose sleeve 34.
  • the hose sleeve 34 is completed on the one hand with a bottom.
  • the receiving bore 15 is brought down to the joint tape 18.
  • a sealing washer 36 may be provided from an elastic material. In principle, it is possible to introduce the sealing disc 36 before the creation of the receiving bore 15 with the joint tape 18 or in the created receiving bore 15.
  • the hose sleeve 34 is provided with a fillable filling material, through which the flexible hose sleeve 34 is widened in its circumference and is pressed so tight against the wall of the receiving bore 15.
  • FIG Fig. 4 An alternative embodiment of the sealing element 30 is shown in FIG Fig. 4 shown.
  • the sealing element 30 is formed as a tubular metal sleeve 32 with a closed bottom portion. The bottom region adjoins the joint tape 18 in the slot wall panel 14 via a sealing washer 36.
  • the metal sleeve 32 is inserted into the receiving bore 15 substantially by means of a press fit, wherein on the outer circumference a sealant, not shown, for sealing the gap between the wall of the receiving bore 15 and the metal sleeve 32 may be provided.
  • the metal sleeve 32 is additionally anchored to the slot wall panel 14 at its end pointing to the inside of the enclosing wall 12 or to the interior of the excavation by means of an annular fastening element 33.
  • the fastener 33 is formed as a flange-shaped retaining ring.
  • the receiving bore 15 is initially introduced only to an intermediate portion 13 in the Umsch widelyungswand 12. Subsequently, a probing bore 19 with a small diameter, wherein the probing bore 19 is preferably carried out done by hand. Once the joint sealing tape 18 is reached, the probing hole 19 is terminated and the receiving bore 15 is performed up to the final depth according to the probing hole 19. Then, a sealing washer 36 for sealing any damage to the joint sealing strip 18 and then the sealing element 30, not shown, are used.
  • FIG. 6 An alternative arrangement variant is in Fig. 6 shown.
  • the receiving bore 15 is created by the joint sealing tape 18 through.
  • the joint sealing strip 18 is pierced, so that the sealing element to be used takes over the function of the joint sealing strip 18 with.
  • FIGS. 7 and 8 To illustrate the invention is in the FIGS. 7 and 8 a conventional excavation enclosure 10 'with a partially shown Umsch widelyungswand 12' of Schlitzwandpanelen 14 'and a bottom plate 20' shown.
  • the vertical butt joints 16 'between adjacent Schlitzwandpanelen 14' are each sealed by a vertical joint sealing strip 18 ', so that no water from the bottom can penetrate into the excavation laterally.
  • a horizontal butt joint 24 'formed between the horizontal bottom plate 20' and the vertical enclosing wall 12 ' is sealed by means of a horizontal seal 28'.
  • the enclosing wall 12 ' ends flush with the bottom plate 20'.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)

Claims (15)

  1. Procédé pour la fabrication d'une enceinte de fouille (10), dans lequel
    - une paroi d'enceinte (12) sensiblement verticale composée de panneaux pour paroi moulée (14) est fabriquée dans le sol, dont les joints d'aboutement (16) verticaux sont étanchéifiés au moyen d'une bande d'étanchéité de joint (18),
    - le sol est excavé dans les limites de la paroi d'enceinte (12), et
    - une plaque au sol (20) sensiblement horizontale est prévue, laquelle est contiguë à la paroi d'enceinte (12),
    caractérisé
    - en ce qu'un alésage de réception (15) s'étendant en direction de la bande d'étanchéité de joint est pratiqué dans la paroi d'enceinte (12) au niveau d'au moins un joint d'aboutement vertical (16) entre deux panneaux pour paroi moulée (14) contigus,
    et
    - en ce qu'un élément d'étanchéité (30) servant à former une étanchéification horizontale est introduit dans l'alésage de réception (15).
  2. Procédé selon la revendication 1,
    caractérisé
    en ce que l'au moins un alésage de réception (15) est pratiqué dans la paroi d'enceinte (12) à hauteur de la plaque au sol (20).
  3. Procédé selon la revendication 1 ou 2,
    caractérisé
    en ce que le panneau au sol (20) est produit, et
    en ce que l'au moins un alésage de réception (15) est pratiqué avant la fabrication de la plaque au sol (20).
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé
    en ce que l'alésage de réception (15) est pratiqué dans la paroi d'enceinte (12) depuis un côté intérieur de la paroi d'enceinte (12) jusqu'à la bande d'étanchéité de joint (18) verticale ou au-delà.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé
    en ce que la plaque au sol (20) est contiguë à la paroi d'enceinte (12) en réalisant un joint d'aboutement horizontal (24), qui est étanchéifié avec une garniture d'étanchéité (28) horizontale.
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé
    en ce que les panneaux pour paroi moulée (14) sont produits progressivement au moyen d'une benne à parois moulées ou d'une fraise à parois moulées en réalisant des tranchées dans le sol, lesquelles sont remplies d'une matière durcissable, et
    en ce qu'avant le durcissement, la bande d'étanchéité de joint (18) verticale est insérée dans la tranchée.
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé
    en ce que l'élément d'étanchéité (30) présente une périphérie extérieure cylindrique, lequel est inséré avec ajustement dans l'alésage de réception (15).
  8. Procédé selon l'une des revendications 1 à 7,
    caractérisé
    en ce que l'élément d'étanchéité (30) présente un manchon métallique (32) rigide, lequel est fixé dans l'alésage de réception (15) avec une matière de liaison et/ou un élément de fixation (33).
  9. Procédé selon l'une des revendications 1 à 8,
    caractérisé
    en ce que l'élément d'étanchéité (30) présente un manchon tubulaire (34) flexible, lequel est inséré avec du jeu dans l'alésage de réception (15), et
    en ce que le manchon tubulaire (34) est rempli d'une matière de remplissage, laquelle élargit le manchon tubulaire (34) et l'ancre ce faisant de manière solide et étanche dans l'alésage de réception (15).
  10. Enceinte de fouille, en particulier fabriquée selon un procédé selon l'une des revendications 1 à 9, comportant :
    - une paroi d'enceinte (12) sensiblement verticale dans le sol, laquelle est formée à partir de panneaux pour paroi moulée (14), dont les joints d'aboutement (16) verticaux sont étanchéifiés au moyen d'une bande d'étanchéité de joint (18), et
    - une plaque au sol (20) sensiblement horizontale, laquelle est contiguë à la paroi d'enceinte (12) et étanchéifie vers le bas la fouille,
    caractérisée
    - en ce qu'un alésage de réception (15) s'étendant en direction de la bande d'étanchéité de joint (18) est pratiqué dans la paroi d'enceinte (12) au niveau d'au moins un joint d'aboutement vertical (16) entre deux panneaux pour paroi moulée (14) contigus, et
    - en ce qu'un élément d'étanchéité (30) servant à former une étanchéification horizontale est introduit dans l'alésage de réception (15).
  11. Enceinte de fouille selon la revendication 10,
    caractérisée
    en ce qu'un alésage de réception (15) pourvu d'un élément d'étanchéité (30) est disposé au niveau de chaque joint d'aboutement vertical (16).
  12. Enceinte de fouille selon la revendication 10 ou 11,
    caractérisée
    en ce que l'élément d'étanchéité (30) s'étend depuis un côté intérieur de la paroi d'enceinte (12) au moins vers la bande d'étanchéité de joint (18) le long du joint d'aboutement vertical (16).
  13. Enceinte d fouille (10) selon l'une des revendications 10 à 12,
    caractérisée
    - en ce que l'élément d'étanchéité (30) est réalisé de manière cylindrique et de manière à s'ajuster à l'alésage de réception (15) dans la paroi d'enceinte (12) de l'enceinte de fouille (10).
  14. Enceinte de fouille selon l'une des revendications 10 à 13,
    caractérisée
    en ce que l'élément d'étanchéité (30) présente un manchon métallique (32) rigide.
  15. Enceinte de fouille selon l'une des revendications 10 à 14,
    caractérisée
    en ce que l'élément d'étanchéité (30) présente un manchon tubulaire (34) flexible, qui est rempli d'une matière de remplissage pouvant gonfler.
EP16153356.7A 2016-01-29 2016-01-29 Enceinte de fouille et procédé de fabrication d'une enceinte de fouille Not-in-force EP3199708B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16153356.7A EP3199708B1 (fr) 2016-01-29 2016-01-29 Enceinte de fouille et procédé de fabrication d'une enceinte de fouille
PCT/EP2016/081441 WO2017129319A1 (fr) 2016-01-29 2016-12-16 Enceinte pour trou de fondation et procédé servant à élaborer une enceinte pour trou de fondation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16153356.7A EP3199708B1 (fr) 2016-01-29 2016-01-29 Enceinte de fouille et procédé de fabrication d'une enceinte de fouille

Publications (2)

Publication Number Publication Date
EP3199708A1 EP3199708A1 (fr) 2017-08-02
EP3199708B1 true EP3199708B1 (fr) 2018-12-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16153356.7A Not-in-force EP3199708B1 (fr) 2016-01-29 2016-01-29 Enceinte de fouille et procédé de fabrication d'une enceinte de fouille

Country Status (2)

Country Link
EP (1) EP3199708B1 (fr)
WO (1) WO2017129319A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111172990B (zh) * 2019-11-11 2021-09-10 浙江省建筑设计研究院 预埋前后排钢筋套筒式预制地下连续墙竖向连接结构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1294756B1 (it) 1997-09-12 1999-04-12 Finic Bv Tubo spalla a due ali per la formazione delle superfici di giunzione fra elementi di pareti gettate in calcestruzzo
NL1008925C1 (nl) * 1998-03-13 1999-09-14 Alex Blokker Duik En Bergingsb Werkwijze en inrichting voor het vervaardigen van een drukvloer uit beton.
DE10334730A1 (de) 2003-07-30 2005-02-24 Ed. Züblin Ag Konstruktion einer wasserdichten Innenschale bei einem Bauwerk, welches in Deckelbauweise hergestellt wird und im Grundwasserhorizont einbindet
DE102005052162A1 (de) 2004-11-12 2006-05-18 Ed. Züblin Ag Vorab wärmegedämmte Schlitzwand als Begrenzung eines temperaturhaltenden Speichers für Fluide und Herstellung solcher Speicher
EP2549021B1 (fr) 2011-07-18 2013-09-11 Bauer Spezialtiefbau GmbH Centrale d'accumulation par pompage et son procédé de fabrication
EP2647765B1 (fr) 2012-04-03 2016-04-27 BAUER Spezialtiefbau GmbH Élément de coffrage pour une paroi moulée et procédé de fabrication de cette paroi

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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EP3199708A1 (fr) 2017-08-02
WO2017129319A1 (fr) 2017-08-03

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