EP0952258A2 - Panneau de coffrage d'une paroi moulée dans le sol et procedé pour son démontage - Google Patents

Panneau de coffrage d'une paroi moulée dans le sol et procedé pour son démontage Download PDF

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Publication number
EP0952258A2
EP0952258A2 EP99106413A EP99106413A EP0952258A2 EP 0952258 A2 EP0952258 A2 EP 0952258A2 EP 99106413 A EP99106413 A EP 99106413A EP 99106413 A EP99106413 A EP 99106413A EP 0952258 A2 EP0952258 A2 EP 0952258A2
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EP
European Patent Office
Prior art keywords
formwork
concrete
flat joint
base body
element according
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
EP99106413A
Other languages
German (de)
English (en)
Other versions
EP0952258A3 (fr
EP0952258B1 (fr
Inventor
Johann Strobel
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.)
STAHL- und APPARATEBAU HANS LEFFER GmbH
Original Assignee
STAHL- und APPARATEBAU HANS LEFFER GmbH
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Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7865451&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0952258(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by STAHL- und APPARATEBAU HANS LEFFER GmbH filed Critical STAHL- und APPARATEBAU HANS LEFFER GmbH
Publication of EP0952258A2 publication Critical patent/EP0952258A2/fr
Publication of EP0952258A3 publication Critical patent/EP0952258A3/fr
Application granted granted Critical
Publication of EP0952258B1 publication Critical patent/EP0952258B1/fr
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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
    • E02D5/18—Bulkheads or similar walls made solely of concrete in situ
    • E02D5/182—Bulkheads or similar walls made solely of concrete in situ using formworks to separate sections

Definitions

  • the invention relates to a formwork element of a flat joint formwork with means for detaching or blasting off adhering concrete masses and of circulating concrete in the section-wise production of a diaphragm wall.
  • Diaphragm walls are an important component in basic construction and serve, for example, as construction pit enclosures, retaining walls for jumps in the terrain or as sealing walls for dams and landfills. It is characteristic of the design of diaphragm walls that an open bottom slot is constantly stabilized by refilled support. As is known, diaphragm walls are produced step by step in individual construction sections, each section forming a concreting unit. The diaphragm wall sections are usually separated from one another by storage structures. In the past, steel shuttering pipes were used as support structures, which were recovered after the concrete had stiffened, which means that the pipes could not be pulled until the concrete had set. Extremely heavy pullers had to be used to pull.
  • a tool for carrying out this method is characterized in that it has a body and two profiled parts which form lateral grooves sliding on the flanges of the formwork element, the lower part of the profiled part being chamfered in such a way that it forms a demoulding wedge.
  • EP 0 374 051 B1 describes a formwork of an end joint of a cut of a diaphragm wall.
  • the formwork for the end connection point of mold wall sections which comprises a plate and a box mounted thereon, has in cross section a longitudinal joint for inserting the connection point and is made up of at least two parts, and is equipped with connecting elements for successive connection in the longitudinal direction characterized in that the box of each part is set back from a corresponding end of the plate, and that the connecting elements are formed by a connecting piece which has essentially the same cross-section as the box and can be connected to the relevant plates of each of the parts by being in the interruption area of the boxes is inserted such that it overlaps the end areas of the plates.
  • EP 0 402 247 B1 describes a method and a device for detaching a seal adhering to the concrete of a wall section cast in the floor.
  • the method is characterized in that an impact is carried out on the side of the seal facing away from the concrete with the aid of a tool which is connected to the seal at a location above the joint.
  • the invention is based on the object of a new formwork element of a flat joint formwork with means for detaching or blasting off adhering concrete masses and in particular of recycle concrete during the section-by-section production to specify a diaphragm wall, as well as a rational method for its expansion, which are distinguished from known means and methods by special efficiency and uncomplicated handling when detaching or blasting off adhering concrete masses and thereby promote the progress of construction and the difficulties that arise in sealing diaphragm wall sections better overcome and facilitate the progress of the work.
  • a formwork element of the type specified in the preamble of claim 1 with the invention that it has a base body with arranged on the concrete side and forming vertical guide elements forming surface parts, between which a section of a horizontal plane U-shaped, with the back Form-fitting and force-fitting to the concrete mass, designed to accommodate a spreading device with a vertical passage pressure body in the horizontal direction between the surface parts of the guide elements, with these in positive engagement, is arranged displaceably.
  • the use of a spreading device makes it much easier to blow off a flat joint formwork from the concrete in question, the application of impact is avoided and thus increased wear and tear and vibrations and increased construction site noise are prevented.
  • Working with the spreading device to be used according to the invention allows rapid work progress with easy handling of the spreading device and the flat joint formwork interacting with it, and thus simultaneously contributes to the humanization of the corresponding work process.
  • FIG. 1 shows a formwork element of a flat joint formwork 8 with means for detaching or blasting off adhering ones Concrete masses 10 and (not shown) of circulating concrete in the section-wise production of a diaphragm wall.
  • the formwork element has a base body 1 with surface parts 3 arranged on the concrete side and forming vertical guide elements 2, between which there is a U-shaped section in the horizontal plane xx, with the back positively and non-positively against the concrete mass 10, for receiving a spreading device 4 with a vertical passage 5 formed pressure body 6 is arranged in the horizontal direction between the surface parts 3 of the guide elements 2 and with these in the form-locking manner.
  • the formwork element is designed together with an expansion body 4 which can be inserted loosely from above as an integrating functional unit of the flat joint formwork 8. Furthermore, one embodiment provides that the spreading device 4 is designed, on the one hand, with a horizontal axis in frictional engagement with the base body 1 of the flat joint formwork 8, and, on the other hand, on the inner wall of the pressure body 6 for detaching the formwork element or base body 1 from adhering concrete mass 10.
  • the base body or the formwork element 1 shows the base body or the formwork element 1 after detachment or detachment of adhering concrete masses 10, wherein the base body 1 with the integrated transverse wall has shifted to the right against the excavation 11 of the next section. As shown, the end wall of the base body 1 is sufficient to bridge the distance between the guide walls 7.
  • FIG. 3 shows an advantageous embodiment of the invention, wherein a plurality of expansion bodies 4, preferably in cooperation with a lifting device 12, are connected to one another to form a unit 9 in the form of a push-off slide.
  • the spreading device 4 can be a hydraulic or pneumatic piston / cylinder unit. However, it should not be excluded with the invention that the spreading device 4 can also be designed with an electromechanical spindle drive.
  • the formwork element of a flat joint formwork 8 according to the invention is particularly advantageously suitable for use in the construction of a diaphragm wall and for section-wise progress with the installation of a flat joint formwork 8 designed according to claims 1 to 6, which can be assembled from formwork elements, and thus optimally achieves the task set out at the beginning .

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Geophysics And Detection Of Objects (AREA)
EP99106413A 1998-04-22 1999-03-27 Panneau de coffrage d'une paroi moulée dans le sol et procédé pour son extraction Expired - Lifetime EP0952258B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19817982A DE19817982C1 (de) 1998-04-22 1998-04-22 Schalungselement einer Flachfugenschalung und Verfahren zu dessen Ausbau
DE19817982 1998-04-22

Publications (3)

Publication Number Publication Date
EP0952258A2 true EP0952258A2 (fr) 1999-10-27
EP0952258A3 EP0952258A3 (fr) 2000-01-05
EP0952258B1 EP0952258B1 (fr) 2002-10-23

Family

ID=7865451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99106413A Expired - Lifetime EP0952258B1 (fr) 1998-04-22 1999-03-27 Panneau de coffrage d'une paroi moulée dans le sol et procédé pour son extraction

Country Status (7)

Country Link
EP (1) EP0952258B1 (fr)
AT (1) ATE226664T1 (fr)
DE (2) DE19817982C1 (fr)
DK (1) DK0952258T3 (fr)
ES (1) ES2188052T3 (fr)
HK (1) HK1023798A1 (fr)
PT (1) PT952258E (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10519618B2 (en) 2016-01-07 2019-12-31 V-Forms, LLC Forms for constructing subsurface structural elements that redirect soil forces
CN114525777A (zh) * 2022-02-22 2022-05-24 上海市基础工程集团有限公司 用于橡胶钢板止水带的自顶推接头箱

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101350A1 (fr) 1982-08-11 1984-02-22 Sondages Injections Forages "S.I.F." Entreprise Bachy Procédé et dispositif d'extraction d'un coffrage dans le cadre de la réalisation d'une paroi moulée dans le sol
EP0374051B1 (fr) 1988-12-14 1992-08-12 SOLETANCHE Société Anonyme dite: Coffrage pour joint d'extrémité de panneau de paroi moulée
EP0402247B1 (fr) 1989-06-06 1992-12-09 Soletanche Procédé dispositif pour décoller du béton auquel il adhère un joint d'extrémité de panneau de paroi moulée dans le sol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56139306A (en) * 1980-04-01 1981-10-30 Takenaka Komuten Co Ltd Locking pipe for construction of underground continuous wall
DE9001679U1 (de) * 1990-02-13 1991-06-13 Bauer Spezialtiefbau GmbH, 8898 Schrobenhausen Vorrichtung zum Lösen von Abschalelementen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101350A1 (fr) 1982-08-11 1984-02-22 Sondages Injections Forages "S.I.F." Entreprise Bachy Procédé et dispositif d'extraction d'un coffrage dans le cadre de la réalisation d'une paroi moulée dans le sol
EP0374051B1 (fr) 1988-12-14 1992-08-12 SOLETANCHE Société Anonyme dite: Coffrage pour joint d'extrémité de panneau de paroi moulée
EP0402247B1 (fr) 1989-06-06 1992-12-09 Soletanche Procédé dispositif pour décoller du béton auquel il adhère un joint d'extrémité de panneau de paroi moulée dans le sol

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10519618B2 (en) 2016-01-07 2019-12-31 V-Forms, LLC Forms for constructing subsurface structural elements that redirect soil forces
US11118322B2 (en) 2016-01-07 2021-09-14 V-Forms, LLC Forms for constructing subsurface structural elements that redirect soil forces
US11781281B2 (en) 2016-01-07 2023-10-10 V-Forms, LLC Forms and subsurface structural elements that redirect soil forces
CN114525777A (zh) * 2022-02-22 2022-05-24 上海市基础工程集团有限公司 用于橡胶钢板止水带的自顶推接头箱

Also Published As

Publication number Publication date
DE59903141D1 (de) 2002-11-28
EP0952258A3 (fr) 2000-01-05
ES2188052T3 (es) 2003-06-16
PT952258E (pt) 2003-03-31
EP0952258B1 (fr) 2002-10-23
HK1023798A1 (en) 2000-09-22
ATE226664T1 (de) 2002-11-15
DE19817982C1 (de) 1999-11-18
DK0952258T3 (da) 2003-02-24

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