EP0895556B1 - Palplanche en forme de "z" a module de resistance eleve - Google Patents

Palplanche en forme de "z" a module de resistance eleve Download PDF

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Publication number
EP0895556B1
EP0895556B1 EP97901012A EP97901012A EP0895556B1 EP 0895556 B1 EP0895556 B1 EP 0895556B1 EP 97901012 A EP97901012 A EP 97901012A EP 97901012 A EP97901012 A EP 97901012A EP 0895556 B1 EP0895556 B1 EP 0895556B1
Authority
EP
European Patent Office
Prior art keywords
sheet pile
flanges
plane
web
pile 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.)
Expired - Lifetime
Application number
EP97901012A
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German (de)
English (en)
French (fr)
Other versions
EP0895556A1 (fr
Inventor
Michel Bourdouxhe
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
Profilarbed SA
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Publication date
Application filed by Profilarbed SA filed Critical Profilarbed SA
Publication of EP0895556A1 publication Critical patent/EP0895556A1/fr
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    • 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 "Z" shaped sheet pile with module high resistance.
  • Z-shaped sheet piles have been known for a long time. They have an oblique core connected to two substantially parallel wings. Each wing is provided with a lock element, to form in a curtain of retaining a snap joint with a lock element of a adjacent sheet pile. In such a curtain, the Z-shaped sheet piles are most often arranged so that their wings are substantially parallel and equidistant from the neutral plane of bending of the curtain. The product obtained by multiplying the modulus of resistance of the curtain with respect to this plane neutral by the maximum admissible elastic stress, determines the moment maximum elasticity that the curtain can take up.
  • sheet pile curtain in the present context means a curtain made of "Z" shaped sheet piles which are connected so that their wings are substantially parallel and equidistant from the plane curtain bending neutral.
  • ProfilARBED SA (Luxembourg) currently markets a "Z” shaped sheet pile called “AZ 36" which has a resistance module of 3600 cm 3 per running meter of curtain.
  • This AZ 36 sheet pile has a mass of 194 kg / m 2 , therefore a specific resistance modulus of 18.6 (cm 3 / m) / (kg / m 2 ).
  • ProfilARBED SA also markets a Z-shaped sheet pile called "BZ 42", which has a resistance module of 4200 cm 3 per running meter of curtain, but a mass of 271 kg / m 2 , therefore a module with a more unfavorable specific resistance of 15.5 (cm 3 / m) / (kg / m 2 ).
  • It is a sheet pile which has "BELVAL” type lock elements, and whose core describes an acute angle of approximately 83.5 ° with a plane parallel to the wings.
  • these types of sheet piles with higher resistance modulus are very heavy sections, which have a very high weight per square meter of curtain, therefore a fairly low specific resistance modulus.
  • the lower the specific resistance module the higher the cost of the curtain.
  • ribs, moldings, shoulders or projections incorporated in or fixed by any means to the sheet pile.
  • These ribs, moldings, shoulders or projections have the sole purpose of engaging in notches of complementary shape arranged in said intermediate plates. They allow you to insert and hold in place these intermediate plates between two sheet piles in the shape of a "Z", in order to create the sheet pile curtain with a flat, continuous surface.
  • FR-A-686816 are known sheet piles in the shape of "U" of low height, which have a reinforced part at the connections wings / soul.
  • said part reinforced located immediately upstream of the opening of a hook on the first sheet pile, acts in combination with the inner part of this hook to create a shape capable of cooperating with the outer part a hook from the second sheet pile.
  • the hot rolled "Z” sheet pile according to the invention includes, like all hot rolled “Z” sheet piles, two wings having substantially parallel outer faces, as well as a oblique core connected to the two wings. This soul defines with a parallel plane on the outer faces of the wings an acute angle less than or equal to 75 ° and is delimited between the fittings with the wings by two substantially planar faces.
  • the hot rolled sheet pile according to the invention is distinguished from a sheet pile classic hot rolled mainly in that each of the two wings has an extension which projects from the imaginary plane extending the flat face of the core located on the same side as the outer face of the respective wing.
  • a hot rolled sheet pile according to the invention has the advantage of bringing with a small surplus of material, therefore with a low increase in mass per square meter of curtain, a marked improvement in resistance modulus, and therefore also an improvement in the modulus of specific resistance. It will be particularly appreciated that this improvement resistance module can be obtained without increasing the width of the rolling mill cages, without increasing the thickness of the wings, and that it even allows increase the useful width of the wings.
  • the proposed solution also results in a reinforcement of the wing / core connection corners on the outer side, resulting in a risk lower tear at these critical locations during implementation sheet piles.
  • This reinforcement is also favorable to a better accelerated corrosion resistance in low water, because sheet piles "Z" shape, unlike "U” shaped sheet piles, especially tendency to corrode at the core / wing connections.
  • the sheet pile in the shape of "Z” according to Figure 1 includes, like all “Z” shaped sheet piles, two wings 12 ', 12 “having external faces 14 ', 14 "substantially parallel, as well as an oblique core 10 connected to the two wings 12 ′, 12 ".
  • This core 10 defines with a plane 16, which is parallel to the outer faces 14 ', 14 "of the wings 12', 12", an acute angle ⁇ . She is more thinner than the wings 12 ', 12 “and is delimited between the fittings with the wings 12 ', 12 “by two faces 18', 18" substantially planar and parallel.
  • Each of these wings 12 ', 12 " is provided with a lock element 20', 20 ". More precisely, these are LARSSEN-type lock elements which allow to form "LARSSEN” type seals by snapping into a sheet pile wall, with sheet pile locking elements adjacent.
  • a resistance modulus of 4400 cm 3 was obtained per unit length of a curtain in which these sheet piles are connected so that the outer faces 14 ′, 14 ′′ of their wings 12 ', 12 "are substantially parallel and equidistant from the neutral plane of bending of the curtain.
  • the specific resistance modulus of such a sheet pile wall is slightly less than 20 (cm 3 / m) / (kg / m 2 ).
  • the core 10 is connected to the wing extension 22 'by a local allowance 26' of the core 10, so as to avoid the formation of a concave corner between the wing extension 22 'and the core 10.
  • This additional thickness 26 'of the core 10 slightly decreases the modulus of specific resistance of the sheet pile, but it makes rolling easier, and prevents deformation of the wing extension 22 'during threshing. We obtain moreover, better transmission of the anchoring forces of the wings 12 ′, 12 " in soul 10 and vice versa.
  • the wing extension 22 ' is delimited by a first planar surface 30 which extends the planar face 14 'of the wing 12 ', a second planar surface 34 which is substantially perpendicular to said first planar surface 30, and a cylindrical connection surface convex 32 which connects said first planar surface 30 to said second flat surface 34.
  • Said extra thickness 26 'of the core 10 then defines a surface concave cylindrical connector 36 which connects the face 18 'of the core 10 to said second flat surface 34 of the wing extension 22 '. It's about a optimized configuration from the point of view of rolling the wing extensions 22 'and 22 ".
  • the convex cylindrical fitting surface 32 has a radius of 15 mm
  • the concave cylindrical fitting surface 36 has a radius of 125 mm.
  • the linear resistance module of the optimized sheet pile with 22 ', 22 "wing extensions is 4800 cm 3 / m, which represents an increase of approximately 9% compared to the optimized sheet pile without 22' wing extensions. , 22 ".
  • the specific resistance module of the optimized sheet pile with wing extensions 22 ', 22 " is approximately 20 (cm 3 / m) / (kg / m 2 ).
  • the invention is of course not limited to the sheet pile described in detail, but that it can also be applied advantageously to sheet piles in the shape of "Z" having a modulus of linear resistance lower or higher than 4800 cm 3 / m, substantially different dimensions, as well as sheet piles having lock elements other than "LARSSEN” type lock elements.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Composite Materials (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)
  • Metal Rolling (AREA)
  • Medicinal Preparation (AREA)
EP97901012A 1996-04-24 1997-01-13 Palplanche en forme de "z" a module de resistance eleve Expired - Lifetime EP0895556B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LU88747 1996-04-24
LU88747A LU88747A1 (fr) 1996-04-24 1996-04-24 Palplanche en forme de "Z" à module de résistance élevé
PCT/EP1997/000125 WO1997040232A1 (fr) 1996-04-24 1997-01-13 Palplanche en forme de 'z' a module de resistance eleve

Publications (2)

Publication Number Publication Date
EP0895556A1 EP0895556A1 (fr) 1999-02-10
EP0895556B1 true EP0895556B1 (fr) 2001-08-01

Family

ID=19731593

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97901012A Expired - Lifetime EP0895556B1 (fr) 1996-04-24 1997-01-13 Palplanche en forme de "z" a module de resistance eleve

Country Status (13)

Country Link
EP (1) EP0895556B1 (ru)
JP (1) JP3739096B2 (ru)
KR (1) KR100432189B1 (ru)
AU (1) AU1441297A (ru)
CZ (1) CZ295754B6 (ru)
DE (1) DE69705944T2 (ru)
ES (1) ES2160318T3 (ru)
LU (1) LU88747A1 (ru)
PL (1) PL183928B1 (ru)
RU (1) RU2167239C2 (ru)
TW (1) TW360736B (ru)
UA (1) UA54424C2 (ru)
WO (1) WO1997040232A1 (ru)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9803535D0 (en) * 1998-02-19 1998-04-15 Dawson Const Plant Ltd Sheet piling
US7018140B1 (en) * 2004-11-23 2006-03-28 Chaparral Steel Company Z-shaped sheet piling
JP4924362B2 (ja) * 2007-03-30 2012-04-25 Ｊｆｅスチール株式会社 鋼矢板
DE102007027939A1 (de) * 2007-06-18 2008-12-24 Pilepro Llc Verbindungsprofil sowie Spundwand mit derartigem Verbindungsprofil
JP4821760B2 (ja) * 2007-10-31 2011-11-24 Ｊｆｅスチール株式会社 鋼矢板
CN102656319B (zh) * 2009-12-11 2014-10-01 杰富意钢铁株式会社 Z形钢板桩
DE102011100633A1 (de) 2011-05-05 2012-11-08 Pilepro Llc Verfahren zur Herstellung eines Stahlprofils
JP5835010B2 (ja) * 2012-02-29 2015-12-24 Ｊｆｅスチール株式会社 Ｚ形鋼矢板の施工方法
SG11201404637QA (en) * 2012-02-29 2014-10-30 Jfe Steel Corp Z-shaped steel sheet pile
JP6232830B2 (ja) * 2013-08-15 2017-11-22 新日鐵住金株式会社 鋼矢板の打設時変形抑止治具
RU2740561C1 (ru) * 2020-06-23 2021-01-15 Акционерное общество «ЕВРАЗ Нижнетагильский металлургический комбинат» (АО «ЕВРАЗ НТМК») Шпунтовая свая типа Ларсен

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1831427A (en) * 1931-11-10 Kxjbt soheoeder
FR686816A (fr) * 1928-12-24 1930-07-31 Perfectionnements apportés aux files de palplanches à interenclanchement
GB516106A (en) * 1939-01-27 1939-12-21 Ferdinand Richards Improvements in or relating to trough-section metal

Also Published As

Publication number Publication date
TW360736B (en) 1999-06-11
DE69705944D1 (de) 2001-09-06
UA54424C2 (ru) 2003-03-17
CZ295754B6 (cs) 2005-10-12
KR20000005009A (ko) 2000-01-25
JP2000508728A (ja) 2000-07-11
DE69705944T2 (de) 2002-03-28
CZ338298A3 (cs) 1999-06-16
PL183928B1 (pl) 2002-08-30
EP0895556A1 (fr) 1999-02-10
PL329602A1 (en) 1999-03-29
WO1997040232A1 (fr) 1997-10-30
RU2167239C2 (ru) 2001-05-20
KR100432189B1 (ko) 2004-10-06
AU1441297A (en) 1997-11-12
LU88747A1 (fr) 1997-02-21
ES2160318T3 (es) 2001-11-01
JP3739096B2 (ja) 2006-01-25

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