EP1793044B1 - Warmgewalzte Flachprofil-Stahlspundbohle - Google Patents

Warmgewalzte Flachprofil-Stahlspundbohle Download PDF

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Publication number
EP1793044B1
EP1793044B1 EP05111583A EP05111583A EP1793044B1 EP 1793044 B1 EP1793044 B1 EP 1793044B1 EP 05111583 A EP05111583 A EP 05111583A EP 05111583 A EP05111583 A EP 05111583A EP 1793044 B1 EP1793044 B1 EP 1793044B1
Authority
EP
European Patent Office
Prior art keywords
web
sheet pile
pile according
thickness
width
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
EP05111583A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1793044A1 (de
Inventor
Aloyse Hermes
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.)
ArcelorMittal Belval and Differdange SA
Original Assignee
ArcelorMittal Belval and Differdange SA
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
Priority to PL05111583T priority Critical patent/PL1793044T3/pl
Application filed by ArcelorMittal Belval and Differdange SA filed Critical ArcelorMittal Belval and Differdange SA
Priority to DE502005007716T priority patent/DE502005007716D1/de
Priority to ES05111583T priority patent/ES2329482T3/es
Priority to EP05111583A priority patent/EP1793044B1/de
Priority to JP2006306402A priority patent/JP5313446B2/ja
Priority to KR1020060116023A priority patent/KR101502961B1/ko
Priority to US11/565,341 priority patent/US8167515B2/en
Publication of EP1793044A1 publication Critical patent/EP1793044A1/de
Application granted granted Critical
Publication of EP1793044B1 publication Critical patent/EP1793044B1/de
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
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
    • 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
    • E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements

Definitions

  • the present invention relates to a hot rolled flat profile steel sheet pile, especially for the construction of cellular cofferdams.
  • the first hot-rolled flat-profile steel sheet piles also referred to below as flat sheet piles, were already in use at the end of the 19th century in the USA. In Europe, these flat sheet piles have been rolled since the thirties of the 20th century. They comprise a horizontal wall lying straight web, which is bounded on each longitudinal side in each case by a lock strip. By means of these lock strips, the individual flat sheet piles can be connected to a continuous sheet pile wall.
  • the stress e.g., the hoop tensile force determined by the "kettle formula”
  • the screed resistance is contrasted with the screed resistance.
  • Breaking a lock connection in the cell wall of a damper cell causes a discontinuity in the uptake of the ring pull forces. The result is a widening gap in the cell wall, through which the floor filling of the cradle cell is washed away. However, without adequate soil fill, the dam cradle will no longer be able to withstand the stresses resulting from the water overpressure, leading to its failure.
  • the present invention is based on the surprising finding that a Flachspundbohle from the standard product range of a manufacturer can be modified with a very low cost such that it is much better suited for the absorption of dynamic stresses.
  • this object is achieved by rolling in a taper in the web of the flat sheet pile, which is designed such that in a tensile test of two connected by their lock strips specimens from this sheet pile, the web deformed plastically in the region of this taper before it can lead to a failure of the lock connection.
  • Plastic work capacity is a sheet pile with flat sheet piles invention much better suited for the absorption of dynamic stresses and can be used particularly advantageously in cofferds are exposed to the following dangers, for example: Ramming by ships, impact of heavy flotsam in storm and spring tides and earthquakes.
  • the webs of the sheet piles according to the invention in the cell wall can absorb a not insignificant deformation energy under such loads, without causing it to break a lock connection.
  • the web should preferably be designed for a nominal failure load, which is less than 90% of the guaranteed minimum tensile strength of the lock strips.
  • a plastic displacement distance of at least 1% of the total width of the sheet pile is to be measured for the web.
  • the taper should preferably be formed symmetrically to the central axis of the web, so that it has an equal distance to both lock strips. It advantageously forms a central section with a width B and a constant thickness t, where t is the minimum thickness of the web.
  • the width B is preferably between 5% and 80% of the total width W of the web. Good results are usually achieved with a width B between 30 and 100 mm.
  • the thickness of the taper to the center axis of the web can steadily decrease, and the minimum thickness of the web are then achieved only on the central axis of the web.
  • the web has its maximum thickness advantageous in the connection area of the lock strips. It has, for example, advantageously along each lock strip on a section with a width b 0 and a constant thickness t 0 , where t 0 is the maximum thickness of the web. Normally t 0 will be 13 to 14 mm.
  • the taper advantageously has a convex cylindrical surface with a radius R 1 to which a concave cylindrical surface with a radius R 2 adjoins the central axis of the web, wherein R 2 is substantially larger than R 1 and many times larger than the nominal width of the Sheet pile is.
  • the Fig. 1 shows hot rolled flat profile steel sheet piles 10 ' 1 , 10' 2 and 10 ' 3 as they have been offered for decades by different manufacturers.
  • Such a flat sheet pile 10 ' 1 comprises a straight web 12' and two symmetrical lock strips 14 ' 1 , 16' 1 .
  • the latter are of the type "thumb / finger" and limit the web 12 'on its two longitudinal sides.
  • Such flat sheet pile are basically as in Fig. 1 , where the nominal width of the flatholder 10 ' 1 is denoted by "L”, the width of its ridge by “W” and the thickness of its ridge by "t".
  • Flat sheet piles from the most common delivery programs of the manufacturers have, for example, a nominal width of 500 mm, a web thickness of 11 to 13 mm and a delivery length of more than 30 m.
  • Fig. 1 it can be seen, the flat sheet piles 10 'are arranged alternately rotated by 180 ° in a sheet pile wall and hooked with their lock strips 14', 16 '. With two hooked lock strips 14 ' 1 , 14' 2 , the two thumbs engage behind 18 ' 1, 18' 2 wherein the fingers 20 ' 1 , 20' 2 each surround the thumb 18 ' 2 , 18' 1 of the opposite lock strip.
  • Such flat sheet piles are used especially for the construction of cell fishing dams without internal anchoring. Depending on the shape of the cells, a distinction is made between circular or flat-cell dams. In U.S.A., so-called "open cells” are also used.
  • the flat sheet piles are claimed primarily in the direction of horizontal cell expansion to train. As already mentioned in the introduction, all known flat sheet piles are designed so that, until the manufacturer guarantees minimum lock tensile strength, i. until the failure of a lock connection, no plastic deformation of the bridge comes.
  • the Fig. 2 shows the left half of a flat sheet pile according to the invention 10.
  • the latter comprises, as the known flat sheet piles Fig. 1 , Also a substantially flat web 12 and two symmetrical lock strips of the type "thumb / fingers", which limit the web 12 at its two longitudinal sides.
  • the reference numeral 22 denotes the center plane of the sheet pile 10, which is also a plane of symmetry of the sheet pile 10 at the same time.
  • the flat sheet pile 10 has the same width and the same lock strips as the flat sheet piles 10 '.
  • the sheet pile is 10 of the Fig. 2
  • the nominal failure load of the web is less than 90% of the minimum tensile strength of the lock strips, so that in a tensile test of two connected by their lock strips 14 sheet piles, the web deformed plastically before the lock strips 14 can yield.
  • a central taper 24 is rolled, so that the web 12 plastically deformed in the region of this taper 24, before it can cause a failure of a lock connection.
  • This minimum thickness t is constant in a central web section 24 with a width B, this width B advantageously making up at least 5% of the total width W of the web 12.
  • This central web portion 24 with the minimum thickness t takes, after exceeding the yield strength, the plastic deformation of the web.
  • the larger the width B the greater the plastic working capacity of the flat sheet pile, ie the more the web can expand in width before it finally fails. So that one can easily roll the slightly thickened lock strips 14 with only a slightly modified set of rolls, sufficiently wide edge edges with increased thickness t 0 should be left over.
  • too great a width B can also lead to instabilities when driving in the flat sheet pile.
  • a limitation of the plastic deformation is important to avoid damage to the secondary structure.
  • the width B of the central web portion 24 should therefore not be too large and in principle not greater than 80% of the total width W of the web 12.
  • First tensile tests have also confirmed that even a width B of about 30-60 mm for the central web section 24 with the minimum thickness t, the plastic working capacity of the sheet pile 10 is likely to increase sufficiently for many applications.
  • a significantly low plastic working capacity is achieved with a web whose thickness decreases steadily to the central axis 22 of the web 12, so that the web reaches its minimum thickness t only on the central axis of the web (ie B ⁇ 0).
  • the web 12 advantageously has a convex cylindrical surface 26 with a radius R 1 , to which a concave cylindrical surface 28 with a to the central axis of the web Radius R 2 connects.
  • the radius R 2 is in this case substantially larger than the radius R 1 and many times greater than the nominal width L of the sheet pile.
  • the flat sheet pile 10 of Fig. 2 can be rolled with only the slightest changes with the same roll stand, which is used for rolling the standard profiles with a constant web thickness.
  • an existing pair of rollers, with which normally flat sheet piles of the standard program are rolled, only needs to be turned off slightly, which certainly does not require much investment.
  • FIG Fig. 3 representative load-displacement curves for three different flat sheet piles. These curves were recorded in path-controlled tensile tests according to prEN 12048.
  • the curve 1 is the load-displacement curve for a connection of two specimens from a standard flat sheet pile with a constant web thickness of 13 mm. It is noted that although this compound achieves a tensile load of more than 6000 kN / m, it begins to become unstable even at a relative displacement of 5 mm. The failure of the connection is finally by tearing the lock connection.
  • the curve 2 is the load-displacement curve for a connection of two specimens from a flat sheet pile in which the thickness of the web from a value of 13.5 mm in the vicinity of the lock strips, decreases steadily to the central axis of the web, and a minimum thickness of the web of 9.5 mm on the Center axis of the web is achieved. It is found that this compound achieves a maximum tensile load of 4500 kN / m, but that it becomes unstable only after a relative displacement of more than 7 mm. The failure of the connection is preceded by a pronounced plastic displacement of about 5 mm. This plastic displacement distance is thus approximately 1% of the total width of the flat sheet pile 10.
  • This connection also achieves a maximum tensile load of 4500 kN / m.
  • the failure of the connection is preceded by a plastic displacement of almost 10 mm, so that it can absorb relative displacements of almost 12 mm in the pulling direction, without opening the lock connection comes.
  • the plastic displacement distance here is 2% of the total width of the flat sheet pile 10.
  • flat sheet piles invention are ideal for use in cofferdams that can be rammed by ships to withstand the impact of flotsam in spring and storm tides and / or to be built in earthquake-prone areas.
  • the risk of tearing open a lock connection and thus the risk of leakage of the cradle cell is substantially reduced with the flat sheet piles according to the invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Metal Rolling (AREA)
EP05111583A 2005-12-01 2005-12-01 Warmgewalzte Flachprofil-Stahlspundbohle Not-in-force EP1793044B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE502005007716T DE502005007716D1 (de) 2005-12-01 2005-12-01 Warmgewalzte Flachprofil-Stahlspundbohle
ES05111583T ES2329482T3 (es) 2005-12-01 2005-12-01 Tablestaca de acero de perfil plano laminada en caliente.
EP05111583A EP1793044B1 (de) 2005-12-01 2005-12-01 Warmgewalzte Flachprofil-Stahlspundbohle
PL05111583T PL1793044T3 (pl) 2005-12-01 2005-12-01 Walcowane na gorąco płaskie stalowe profile grodziowe
JP2006306402A JP5313446B2 (ja) 2005-12-01 2006-11-13 熱間圧延されたストレートウェブのスチール製シートパイル
KR1020060116023A KR101502961B1 (ko) 2005-12-01 2006-11-22 열연 스트레이트 웹 스틸 쉬트 파일
US11/565,341 US8167515B2 (en) 2005-12-01 2006-11-30 Hot-rolled straight-web steel sheet pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05111583A EP1793044B1 (de) 2005-12-01 2005-12-01 Warmgewalzte Flachprofil-Stahlspundbohle

Publications (2)

Publication Number Publication Date
EP1793044A1 EP1793044A1 (de) 2007-06-06
EP1793044B1 true EP1793044B1 (de) 2009-07-15

Family

ID=36464598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05111583A Not-in-force EP1793044B1 (de) 2005-12-01 2005-12-01 Warmgewalzte Flachprofil-Stahlspundbohle

Country Status (7)

Country Link
US (1) US8167515B2 (es)
EP (1) EP1793044B1 (es)
JP (1) JP5313446B2 (es)
KR (1) KR101502961B1 (es)
DE (1) DE502005007716D1 (es)
ES (1) ES2329482T3 (es)
PL (1) PL1793044T3 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061721A1 (de) * 2005-12-22 2007-06-28 Pilepro Llc Gebäude aus Spundbohlen
US20120027527A1 (en) * 2009-04-07 2012-02-02 Norberto Alfonso Emanuel Piling System
DE202014011004U1 (de) * 2014-08-14 2017-06-06 HTW Hamburger Tiefwasserbau UG (haftungsbeschränkt) Flanschprofil zur Herstellung einer Spundwandbohle, sowie eine Spundwandbohle
USD788573S1 (en) * 2015-02-20 2017-06-06 Richard Heindl Connecting element for sheet piles
USD793213S1 (en) * 2015-03-04 2017-08-01 Muhlbauer Technology Gmbh Cofferdams
USD782066S1 (en) * 2015-07-20 2017-03-21 Mühlbauer Technology Gmbh Cofferdams
CA2932078C (en) * 2016-06-03 2020-07-21 Harvey Parisien Fence system
JP6586928B2 (ja) * 2016-07-29 2019-10-09 Ｊｆｅスチール株式会社 直線形鋼矢板の曲がり矯正方法及び曲がり矯正装置
USD837045S1 (en) * 2017-12-12 2019-01-01 Jens Rehhahn Sheet pile
USD837046S1 (en) * 2017-12-12 2019-01-01 Jens Rehhahn Sheet pile

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US1338287A (en) * 1920-04-27 Ciiotjd clifford conkling
US756618A (en) * 1903-09-26 1904-04-05 Luther P Friestedt Sheet-piling.
US923110A (en) * 1908-06-06 1909-05-25 Lackawanna Steel Co Interlocking sheet-piling.
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JPS55138511A (en) 1979-04-17 1980-10-29 Kawasaki Steel Corp Straight steel sheet-pile with reinforced joint portion and production thereof
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DE10339957B3 (de) * 2003-08-25 2005-01-13 Peiner Träger GmbH Doppel-T-förmiges Spundwandprofil aus Stahl und Werkzeug zur Herstellung des Spundwandprofils

Also Published As

Publication number Publication date
JP2007237293A (ja) 2007-09-20
EP1793044A1 (de) 2007-06-06
JP5313446B2 (ja) 2013-10-09
KR20070058317A (ko) 2007-06-08
US8167515B2 (en) 2012-05-01
PL1793044T3 (pl) 2009-12-31
ES2329482T3 (es) 2009-11-26
DE502005007716D1 (de) 2009-08-27
US20070127991A1 (en) 2007-06-07
KR101502961B1 (ko) 2015-03-18

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