EP2043797B1 - Procédé de flexion d'une paroi constituée d'un empilement de tôles - Google Patents

Procédé de flexion d'une paroi constituée d'un empilement de tôles Download PDF

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Publication number
EP2043797B1
EP2043797B1 EP07747322A EP07747322A EP2043797B1 EP 2043797 B1 EP2043797 B1 EP 2043797B1 EP 07747322 A EP07747322 A EP 07747322A EP 07747322 A EP07747322 A EP 07747322A EP 2043797 B1 EP2043797 B1 EP 2043797B1
Authority
EP
European Patent Office
Prior art keywords
profile
sheet pile
bending
plate material
pile 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
EP07747322A
Other languages
German (de)
English (en)
Other versions
EP2043797A1 (fr
Inventor
Tijmen Van Halteren
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.)
Van Halteren Infra BV
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Van Halteren Infra BV
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Filing date
Publication date
Application filed by Van Halteren Infra BV filed Critical Van Halteren Infra BV
Priority to PL07747322T priority Critical patent/PL2043797T3/pl
Publication of EP2043797A1 publication Critical patent/EP2043797A1/fr
Application granted granted Critical
Publication of EP2043797B1 publication Critical patent/EP2043797B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
    • B21D47/01—Making rigid structural elements or units, e.g. honeycomb structures beams or pillars
    • 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
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel

Definitions

  • the present invention relates to a method for manufacturing a sheet pile wall from a steel plate material of predetermined dimensions.
  • Sheet pile walls are applied in, among others, water barriers, as bank protection along a canal, as quay wall, as wall of an underground car park and the like.
  • a sheet pile wall is an earth-retaining construction which is placed in vertical manner in the ground and which comprises separate sheet pile profiles which are mutually connected.
  • These sheet pile profiles are manufactured in practice by hot or cold forming of plate material. In the case of cold forming use is made here of rolling, or roll bending, or roll profiling of steel plate material. This is a process for bringing the plate material into the desired profile form using profiled rolls. Manufacture of sheet pile profiles in this manner is limited to relatively thin plate material, since the friction forces which occur are not sufficient to carry thick plates between the rolls.
  • EP-A-0164296 discloses cold forming of a sheet pile part with adjacent parts of the sheet pile wall being connected by separate coupling parts.
  • the present invention has for its object to provide an improved method for manufacturing sheet pile profiles.
  • the present invention provides a method for manufacturing a sheet pile wall from a steel plate material of predetermined dimensions according to claim 1.
  • the most suitable form of a sheet pile profile is obtained for a specific application.
  • a specific application or location differs in respect of, among others, type of soil, moistness, play of forces and the like.
  • the plate material can be bent at desired locations so as to thereby obtain the desired profile.
  • the form of the profile, as well as the amount of material can be adapted to the specific requirements associated with the specific application for the profile. Over-dimensioning of the sheet pile profile is hereby prevented.
  • the profile is defined by calculating a width and height thereof when obtaining desired moments of resistance and area moments.
  • a desired moment is determined on the basis of a specific application and the requirements associated therewith.
  • the required weight of the sheet pile wall can then be minimized.
  • an equal amount of material is preferably situated on either side of a neutral line of the profile. This achieves a correct adjustment of the width and height of the profile.
  • the height of the profile is here the dimension transversely of the plane of the initial plate material.
  • a total wall length of 520 metres for instance requires a number of 327 specially defined plates or profiles (HA-Z-666-3) with a working width of 1588 mm at 60 kg/m 2 , while for a standard type of profile (PAU 22-60) 543 plates or profiles are required with a working width of 957 mm at 63 kg/m 2 .
  • the required moments are here achieved with the specially defined profiles and due to the larger working width it is possible to suffice with fewer plates of the specially developed profile.
  • the whole wall can hereby be placed more quickly.
  • the defined sheet pile profiles are preferably formed as a Z-profile or a U-profile, with which the desired moments can be obtained in the simplest manner.
  • the bending of a profile for the sheet pile wall is carried out with plate thicknesses up to 15 mm.
  • plate material of thicknesses up to about 8 mm is used in cold forming by means of rolling. At greater thicknesses of the plate material the forces required for the forming are too high in the rolling process. Thicknesses up to preferably about 15 mm can be processed by making use of bending of plate material.
  • An additional advantage is that, due to the lower forces required at the same plate thicknesses in the case of bending, higher-quality plate material can also be processed.
  • Such a higher quality of plate material comprises for instance additives for reducing rust-formation. As a result of these additives greater forces are generally required for the purpose of forming.
  • bending plate material is preferably further used with a width of 2.0 metres instead of 1.20 metres as used in practice during rolling.
  • An example of a sheet pile profile known in practice is PAU 22-40 with a working width of 957 mm. With a specially defined profile (e.g. HAZ 196-4) a greater working width of 1059 mm is obtained at 40.4 kg/m 2 .
  • a much used length for sheet pile profiles is 8 metres, although other lengths can also be bent. The bending of such a profile takes place preferably by making the bends one by one. In the case of a U-profile there are for instance eight bends.
  • the sheet pile profiles are provided with interlock members for the purpose of coupling to adjoining sheet piles. This achieves that sheet piles can be connected to each other so that they together form a complete wall. About 1 mm of additional free play is preferably provided here, whereby sheet piles can be placed in connection with the adjoining sheet pile profile in a simpler manner. This achieves that a wall can be placed more quickly and at lower cost.
  • Figure 1A shows schematically the bending of a steel plate material 2 which is placed on a table 4 of an angle-bending machine. Plate 2 is bent to the desired angle by means of the tilting bending beam 6. The bent plate 2 after forming is shown in the figure together with the tilting bending beam 6 in broken lines as respectively 2' and 6'. The swivel bending takes place on a so-called the bending frame 8 which is held in position by means of a pressing beam 10.
  • Figure 1B shows the principal of a press wherein a plate material 2 is bent by means of a punch 12 and a die 14.
  • punch 12 can here be moved substantially vertically for the purpose of the bending.
  • the bending process shown in the figure relates to free bending. Just as die-bending (not shown), this can be carried out with a press.
  • a simple, small angle-bending machine 16 is shown in figure 1C .
  • Figure 2 shows two U-profiles 20 which are mutually connected by means of an interlock 22 by hooking together these interlocks 22 of the two profiles 20.
  • the bends 24, 26 and 28 are made for the purpose of interlock 22, while bends 34, 36 and 38 are made for interlock 22 on the other side of profile 20.
  • a U-profile is arranged by means of the bends 28, 30, 32 and 34.
  • the working width b is determined on the one hand by the width of the plate material of which use is made and on the other by the height h in the direction transversely of the plane of the initial plate material.
  • Figure 3 shows a sheet pile profile embodied as a Z-profile 40.
  • Profile 40 is herein provided with an interlock 42 formed by the bends 44, 46 and 48.
  • the bend 50 is provided in order to realize a good connection to an adjacent sheet pile profile 40.
  • the other interlock 42 of profile 40 is formed by bends 52, 54 and 56.
  • the moments and the amount of material on either side of the neutral line 60 are influenced by the bends 62 and 64.
  • the height h' and working width b' of profile 40 are also determined by these two bends 62 and 64.
  • Sheet pile profile 70 as shown in figure 4 has a longer strip between bends 72 and 74 compared to the strip between bends 48 and 50 of profile 40 in figure 3 .
  • the height h" and working width b" of the sheet pile profile are also determined for this profile by the distances between the bends, as is the amount of material on either side of the neutral line.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Metal Rolling (AREA)

Claims (7)

  1. Procédé pour fabriquer une paroi faite d'un empilement de tôles à partir d'un matériau de tôle (2) de dimensions prédéterminées, comprenant les étapes consistant à :
    - définir le profil souhaité pour la paroi faite d'un empilement de tôles afin d'obtenir la forme la plus appropriée d'un profil d'empilement de tôles pour un emplacement spécifique, empêchant ainsi le surdimensionnement du profil d'empilement de tôles, de sorte que la forme ainsi que la quantité de matériau sont adaptées aux exigences spécifiques associées à l'application spécifique pour le profil,
    dans lequel le profil est défini en calculant une largeur et/ou une hauteur du profil lorsque l'on réalise le moment souhaité de résistance, et
    - cintrer le matériau de plaque aux emplacements souhaités avec une machine de cintrage (16) ou une machine de pliage afin de cintrer un profil souhaité,
    dans lequel le profil souhaité est prévu avec des moyens de verrouillage (22, 42) formés par des coudes (44, 46 et 48) des deux extrémités du profil afin de se coupler aux empilements de tôles attenants.
  2. Procédé selon la revendication 1, dans lequel le profil est défini en minimisant un poids requis de la paroi faite d'un empilement de tôles lorsque l'on réalise le moment de résistance souhaité.
  3. Procédé selon la revendication 1 ou 2, dans lequel le profil est défini par une quantité de matériau identique de chaque côté d'une ligne neutre (60) du profil.
  4. Procédé selon une ou plusieurs des revendications 1 à 3, dans lequel un profil en Z (40) ou un profil en U (20) est obtenu en calculant le profil souhaité.
  5. Procédé selon une ou plusieurs des revendications 1 à 4, dans lequel le cintrage du profil pour la paroi faite d'un empilement de tôles est réalisé sur le matériau de plaque avec une épaisseur allant jusqu'à 15 mm.
  6. Procédé selon une ou plusieurs des revendications 1 à 5, dans lequel une force relativement faible peut être exercée sur le matériau de plaque pendant le cintrage du profil par rapport au formage par laminage du profil.
  7. Procédé selon une ou plusieurs des revendications 1 à 6, dans lequel les éléments de verrouillage sont prévus avec environ 1 mm de jeu pour placer la paroi faite d'un empilement de tôles.
EP07747322A 2006-07-20 2007-06-04 Procédé de flexion d'une paroi constituée d'un empilement de tôles Not-in-force EP2043797B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07747322T PL2043797T3 (pl) 2006-07-20 2007-06-04 Sposób gięcia ścianki szczelnej

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1032218A NL1032218C2 (nl) 2006-07-20 2006-07-20 Werkwijze voor het zetten van een damwand.
PCT/NL2007/000140 WO2008010701A1 (fr) 2006-07-20 2007-06-04 procÉdÉ de flexion d'une paroi constituÉe d'un empilement de tÔles

Publications (2)

Publication Number Publication Date
EP2043797A1 EP2043797A1 (fr) 2009-04-08
EP2043797B1 true EP2043797B1 (fr) 2013-01-09

Family

ID=37726910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07747322A Not-in-force EP2043797B1 (fr) 2006-07-20 2007-06-04 Procédé de flexion d'une paroi constituée d'un empilement de tôles

Country Status (5)

Country Link
EP (1) EP2043797B1 (fr)
CN (1) CN101522335B (fr)
NL (1) NL1032218C2 (fr)
PL (1) PL2043797T3 (fr)
WO (1) WO2008010701A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10511379B2 (en) 2010-05-02 2019-12-17 Viasat, Inc. Flexible beamforming for satellite communications
NL2023141B1 (nl) 2019-05-15 2020-11-19 Antea Nederland B V 3D printen van damwanden

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR701574A (fr) * 1929-12-06 1931-03-18 Nouveau procédé de réalisation de rideaux de palplanches métalliques à section fortement ondulée et à grand module de résistance
EP0164296A3 (fr) * 1984-05-30 1987-06-24 Profiles Et Tubes De L'est Mur de palplanches à éléments pliés à froid
GB9803535D0 (en) * 1998-02-19 1998-04-15 Dawson Const Plant Ltd Sheet piling
EP1420116B1 (fr) * 2002-11-15 2017-05-31 Nippon Steel & Sumitomo Metal Corporation Palplanche métallique

Also Published As

Publication number Publication date
CN101522335B (zh) 2014-09-17
WO2008010701A1 (fr) 2008-01-24
NL1032218C2 (nl) 2008-01-22
EP2043797A1 (fr) 2009-04-08
PL2043797T3 (pl) 2013-06-28
CN101522335A (zh) 2009-09-02

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