EP1689939A1 - Girder for a support wall curtain - Google Patents
Girder for a support wall curtainInfo
- Publication number
- EP1689939A1 EP1689939A1 EP04817205A EP04817205A EP1689939A1 EP 1689939 A1 EP1689939 A1 EP 1689939A1 EP 04817205 A EP04817205 A EP 04817205A EP 04817205 A EP04817205 A EP 04817205A EP 1689939 A1 EP1689939 A1 EP 1689939A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thickness
- wing
- wings
- beam according
- core
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 28
- 239000011324 bead Substances 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 description 9
- 210000000078 claw Anatomy 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
-
- 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 beam for a retaining curtain and a retaining curtain comprising such beams.
- HZ an integrated system for making retaining curtains.
- This integrated system includes special beams, called HZ beams.
- the edge of the wings of these HZ beams ends in a bead of substantially triangular section, which projects from the outer surface of the wing.
- a RH or RZ type connection profile can be slid allowing to connect another HZ beam or AZ sheet pile. It is also known to cold deform the edges of the wings of the beam so as to give them a corrugated profile. On such a corrugated edge, one can then slide a connection profile which allows to connect either another wing edge of a beam or a claw of a sheet pile. Such a system is for example described in patent application EP-A-0072118. It is also known to weld sheet pile claws to the edges of the beams' wings to connect sheet piles there. Today, we need retaining curtains with increasing resistance modules. One way to significantly increase the resistance modulus of a beam is to increase the height of its core.
- a connection system for beams with thick wings is known from document DE 583471. These are beams of low height, the height of the core being equal to the width of the wing, which can be mounted in the curtain. support with their core either perpendicular or parallel to the axis of the curtain.
- a wing of this beam has a laminated or machined groove along each longitudinal edge in the inner surface of the wing and a laminated or machined bearing in the lateral edge of the wing.
- the groove and the bearing make it possible to connect the ends of the wings of two adjacent beams using special connection profiles and to connect a wing of a first beam transversely between the two wings of a second beam. It is therefore a very special connection system, which was designed in 1927 for a particular implementation of beams of low height and which has probably never been successful.
- Document US 4,550,582 describes a method of rolling beams with claws for a retaining curtain. During rolling, complementary lock elements are formed along the edges of the wing, which can be engaged in a similar fashion to the LARSEN connections known for sheet piling.
- a first type of lock member includes a "curved finger" and "a thumb” defining a lock chamber.
- a second type of lock element comprises a bead capable of being received in the lock chamber.
- a projection to which several functions are attributed.
- a first function would be to increase the stability of a stack of beams. The beam elongated on a wing rests on said projection and on the lock element of said first type, which has substantially the same height as said projection.
- a second function would be to form a support for a guide element when driving a beam into the ground.
- a third function would be to balance the cross sections of the wings with respect to the core.
- said projection would increase the modulus of section of the beam.
- the rolling of such claws and projections is a difficult and almost impossible operation for a beam with wings having a thickness of more than 22 mm.
- practice should still show whether this new connection system has proven itself on construction sites.
- An object of the present invention is to provide a beam that can be easily laminated with a higher strength module, without having to significantly increase its height, and whose implementation in retaining curtains can be done using different fitting systems that have proven themselves on construction sites.
- This object is achieved by a beam for retaining curtains, the wings of which are provided with connecting means along their longitudinal edges, characterized in that these wings are reinforced on the side opposite to the core, over most of their width, by an excess thickness of material which begins only at a certain distance from the longitudinal edges of the wing, thus leaving behind ends of wings of smaller thickness which carry the means of fittings.
- the reinforcement of the wings by an extra thickness of material, located on the side opposite to the core, makes it possible to significantly increase the resistance modulus of the beam, without appreciable increase in its height.
- connection means carried by the ends of the wings comprise a connection bead.
- a beam of this type can for example be easily integrated into a retaining curtain by using connection elements comparable to the connection profiles of type "RH” or type “RZ” of the "HZ” system of PROFILARBED SA.
- the maximum thickness of the excess material thickness is preferably greater than the height of the bead, so that the bead is set back relative to a bearing surface formed by the excess material thickness of the wing.
- connection profiles of type "RH” or type "RZ” the flange of the wing must have a triangular section. It is not however excluded to design connection profiles requiring a connection bead with another section.
- at least one of the ends of the thinner wings has a corrugated longitudinal profile to directly form the connection means.
- a beam of this type can, for example, be easily integrated into a retaining curtain as described in the patent application.
- connection means can also comprise a connection profile for a sheet pile which is welded end to end on a lateral face of one of the ends of the thinner wings.
- a connection profile for a sheet pile can also be carried by a U-shaped profile slid over one of the ends of the wings of a smaller thickness and fixed to this end of the wing by means of two angular welds.
- the excess thickness of material has symmetry with respect to the median plane of the core.
- the excess material on the wing is advantageously divided in two by a longitudinal groove extending above the core.
- the ratio between the thickness of said wing tips and the thickness of the core is preferably between 1.0 and 1.7.
- the ratio between the maximum thickness of the wing at the level of the excess thickness of material and the thickness of the tips of the wings is preferably between 1.5 and 4.0.
- the ends of the wings will preferably have a thickness of between 10 mm and 25 mm. If the maximum thickness of a wing at the level of the excess thickness of material is between 40 mm and 60 mm, it will most often be possible to ensure that in a retaining curtain the fittings are arranged recessed with respect to the bearing surfaces formed by the extra thicknesses of material.
- the present invention is especially advantageous for increasing the resistance modulus of a high beam, that is to say for which the ratio between the web height (H) and the wing width (B) is greater than 2, because it makes it possible to obtain a significant increase in its modulus of resistance without a noticeable additional increase in its height.
- a retaining curtain according to the invention at least two beams according to the invention are connected at the level of their wings using connection profiles.
- the extra thicknesses of material advantageously form bearing surfaces which define a bearing plane arranged in front of the connection profiles (in other words, the connection profiles are arranged in withdrawal with respect to the support plane defined by the thicknesses wing material). A lierne can then bear directly on the bearing surfaces formed by the extra thicknesses of material, without being hindered by the connection profiles.
- Fig. 1 is a view of a pair of beams connected at their adjacent wings
- Fig. 2 is a view of a mixed retaining curtain comprising two pairs of beams according to FIG. 1 and a pair of Z-shaped sheet piles joining the two pairs of beams
- Fig. 3 is a schematic detail of a first embodiment of a wing tip of a beam
- Fig. 4 is a schematic detail of a second embodiment of a wing tip of a beam;
- Fig. 5 is a schematic detail of a third embodiment of a wing tip of a beam with a claw for connecting a sheet pile to it;
- Fig. 6 is a schematic detail showing the finishing of a wing tip of a beam with a bead;
- Fig. 7 is a schematic detail of a variant of the execution of FIG. 3;
- Fig. 8 is a schematic detail of a fourth embodiment of a wing tip of a beam with a welded connector provided with a sheet pile claw; and Fig. 9: is a schematic detail of a variant of the execution of FIG. 3.
- Fig. 1 shows two beams 10, 10 'connected together.
- a beam 10, 10 ' comprises a core 12, 12' and two wings 14, 16, 14 ', 16'.
- the core 12, 12 ' supports the wings 14, 16, 14', 16 'so that the beam 10, 10' has a section in the shape of a Roman numeral i, with a first plane of symmetry constituted by the median plane 11 of the core 12, 12 'and a second plane of symmetry 15 which is perpendicular to the median plane of the core 12, 12'.
- the height H of the web 12, 12 ' is approximately twice the width B of the wing 14, 16, 14', 16 '.
- connection profiles 18 known per se, for example using HR connections marketed by PROFILARBED SA (Luxembourg).
- the wings 14, 16, 14 ', 16' comprise along each longitudinal edge a bead 20, 20 'of substantially triangular section.
- the connection profile 18 is slid over these longitudinal edges of the wings 14, 16, 14 ', 16', so that the connection beads 20 engage the lock chambers of the connections 18.
- This connection method is well known and is widely used for the construction of retaining curtains.
- the broken lines 22, 22 ′ represent the trace of the external face of the wings of a conventional HZ beam produced by PROFILARBED SA (Luxembourg).
- the two wings 14, 16, 14', 16 ' are reinforced on the side opposite to the core by an extra thickness of material 24, 26, 24', 26 'which begins only at a certain distance from the edges of the wing.
- the thickness of the wing gradually increases to reach a maximum value e * at a distance d 2 from the edge (di ⁇ d 2 ).
- the thickness of the wing 14 then remains equal to e * up to a distance d 2 from the opposite edge of the wing, to then decrease symmetrically with respect to the median plane of the core 12, 12 '.
- the extra thicknesses of material 24, 26, 24 ′, 26 ′ thus leave behind wing tips 21, 21 ′ having substantially the same thickness e as the wings of a conventional HZ beam.
- These ends of wings 21 carry the connection beads 20, respectively of other connection means (cf. FIGS. 5 and 8).
- the thickness e * is approximately twice the thickness e of the wing tips 21. In practice, this ratio can vary between 1.5 and 4.0. It will however be noted that a thickness e * of the order of 50 mm allows the extra thicknesses 24, 26, 24 ', 26' to define bearing surfaces 27, 29, 27 ', 29' located in front of the profiles. connection 18.
- a lierne 31 which bears on the bearing surfaces 29, 29 'without being hindered by the connection profiles 18 connecting the wings 26 and 26'.
- the thickness e of the ends of wings 21 is generally between 10 mm and 25 mm.
- the ratio between the thickness e of the ends of the wings 21 and the thickness of the core 12 is generally between 1.0 and 1.7.
- Fig. 2 shows how two pairs 30, 32 of these beams 10, 10 ′ can form, with a pair 34 of Z sheet piles, a curtain of mixed support.
- Connection profiles 36, 36 ′ suitable for connecting the sheet piles 34 to the wings of the beams 30, 32 are, for example, those sold by PROFILARBED SA (Luxembourg) under the designation connection RZ-U, respectively RZ-D. It can also be seen that these connections are all slightly set back relative to the bearing surfaces formed by the extra thicknesses of material on the wings of the beams.
- Fig. 3 shows a schematic detail of a first embodiment of a wing tip of a beam. It can be seen in particular that the bead 20 has a height h smaller than the reinforced thickness e * of the wing 14. It can also be seen that the excess thickness of material 24 begins with a ramp 40. In FIG.
- Fig. 5 shows a wing tip 21 of a beam without a connection bead.
- a connection profile 44 for a sheet pile is butt welded on the lateral face of the wing tip 21. It will be noted that the butt welding operation would be much more difficult if the wing tip 21 also had the thickness e * .
- Fig. 6 is a schematic detail showing the finishing of a connection bead 20. At the outlet of the rolling mill, the connection bead 20 has substantially the same height h * as the thickness e *.
- a cutting torch 50 then gives the connecting bead 20 its final height h which is smaller than the thickness e * of the reinforced wing.
- Fig. 6 shows that the width b of the groove 40 must be such that the flame of the cutting torch 50 cannot burn the oblique flank 52 of the excess thickness of material 24.
- the execution of FIG. 7 differs from the execution of FIG. 3 in that the excess thickness of material 24 is divided in two by a longitudinal groove 60 extending above the core 12. This longitudinal groove 60 facilitates the rolling of the beam because it allows better guidance of the beam in the rolling mill.
- the execution of FIG. 8 differs from the execution of FIG. 5 in that a sheet pile connection 70 is carried by a U-shaped profile 72 which is slid over the wing tip 21.
- This U-shaped profile 72 is then fixed to the wing tip 21 by means of two welds angular 74, 74 '.
- Fig. 9 as in FIG. 7, an embodiment in which the excess thickness of material 24 is divided in two by a longitudinal groove 60 extending above the core 12. This embodiment is distinguished by curved connection surfaces 80, 82.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- General Engineering & Computer Science (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
- Rod-Shaped Construction Members (AREA)
- Load-Bearing And Curtain Walls (AREA)
- Joining Of Building Structures In Genera (AREA)
- Floor Finish (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Impact Printers (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04817205T PL1689939T3 (en) | 2003-10-14 | 2004-10-14 | Girder for a support wall curtain |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU91043A LU91043B1 (en) | 2003-10-14 | 2003-10-14 | Beam for a retaining curtain. |
PCT/EP2004/052549 WO2005038148A1 (en) | 2003-10-14 | 2004-10-14 | Girder for a support wall curtain |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1689939A1 true EP1689939A1 (en) | 2006-08-16 |
EP1689939B1 EP1689939B1 (en) | 2012-04-11 |
EP1689939B2 EP1689939B2 (en) | 2016-05-25 |
Family
ID=34464820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04817205.0A Not-in-force EP1689939B2 (en) | 2003-10-14 | 2004-10-14 | Girder for a support wall curtain |
Country Status (7)
Country | Link |
---|---|
US (1) | US7549823B2 (en) |
EP (1) | EP1689939B2 (en) |
AT (1) | ATE553265T1 (en) |
ES (1) | ES2385039T3 (en) |
LU (1) | LU91043B1 (en) |
PL (1) | PL1689939T3 (en) |
WO (1) | WO2005038148A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1698733B1 (en) * | 2005-02-02 | 2010-09-01 | Contexo AG | Sheet pile wall |
US20060283139A1 (en) * | 2005-06-03 | 2006-12-21 | Georg Wall | Double-T-beam for construction of combination sheet pile walls |
DE102006002241A1 (en) * | 2006-01-17 | 2007-08-09 | Arcelor Profil Luxembourg S.A. | Steel sheet pile in double-T form such as hot-rolled profile, comprises coupler that is formed by grooves which extend in outer edges of flange along longitudinal edges respectively |
EA014927B1 (en) * | 2006-01-17 | 2011-04-29 | Арселормитталь Коммерсьаль Рпс С.А.Р.Л. | Sheet pile in double-t form |
DE102007015455C5 (en) * | 2007-03-30 | 2017-08-10 | Contexo Ag | Method of producing sheet pile wall components and sheet piling component |
JP5737058B2 (en) * | 2011-08-19 | 2015-06-17 | Jfeスチール株式会社 | H-shaped sheet pile |
EP3362605A4 (en) | 2015-10-13 | 2019-07-31 | Jarvie, John | Improvements in sea walls, retaining walls and like structures using pin piles |
USD808782S1 (en) * | 2016-03-23 | 2018-01-30 | Richard Heindl | Connecting element for sheet piles |
USD808783S1 (en) * | 2016-03-23 | 2018-01-30 | Richard Heindl | Connecting element for sheet piles |
USD837042S1 (en) * | 2017-12-12 | 2019-01-01 | Jens Rehhahn | Sheet pile |
USD837043S1 (en) * | 2017-12-12 | 2019-01-01 | Jens Rehhahn | Sheet pile |
US10995467B2 (en) | 2018-10-19 | 2021-05-04 | J.D. Fields & Company, Inc. | Combined wall piling system |
CN111074880A (en) * | 2018-10-19 | 2020-04-28 | J.D.菲尔兹公司 | Combined wall piling system |
CA193260S (en) | 2019-09-02 | 2022-11-07 | Heindl Richard | Sheet pile connector |
CA199934S (en) * | 2020-06-24 | 2023-01-11 | Heindl Richard | Sheet pile component |
USD947015S1 (en) * | 2020-07-22 | 2022-03-29 | Richard Heindl | Sheet pile connector |
JP1744188S (en) | 2021-10-04 | 2023-05-16 | Connector for sheet pile | |
JP1735265S (en) | 2021-10-04 | 2023-01-24 | Connector for sheet pile | |
USD1009615S1 (en) | 2021-10-04 | 2024-01-02 | Richard Heindl | Sheet pile connector |
JP1744224S (en) | 2021-10-04 | 2023-05-16 | Connector for sheet pile | |
JP1744187S (en) | 2021-10-04 | 2023-05-16 | Connector for sheet pile | |
USD1024753S1 (en) | 2021-10-04 | 2024-04-30 | Richard Heindl | Sheet pile connector |
JP1744225S (en) | 2021-10-04 | 2023-05-16 | Connector for sheet pile | |
USD1024754S1 (en) | 2021-10-04 | 2024-04-30 | Richard Heindl | Sheet pile connector |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1835367A (en) * | 1927-06-20 | 1931-12-08 | Becker Enno | Sheet metal piling |
DE583471C (en) * | 1927-06-21 | 1933-09-04 | Enno Becker | I-iron sheet pile wall |
US2093208A (en) * | 1931-03-16 | 1937-09-14 | Dortmund Hoerder Huttenver Ag | Method of making sheet metal piling |
DE627738C (en) * | 1931-03-17 | 1937-11-11 | Enno Becker | Process for the production of iron sheet piling from sheet iron reinforced by I-shaped sheet piling iron with unevenly thick flanges |
GB2071188B (en) † | 1980-02-04 | 1983-12-14 | Kawasaki Steel Co | Steel h-sheet pile and producing method thereof |
US4550582A (en) * | 1980-02-04 | 1985-11-05 | Kawasaki Steel Corporation | Method of producing steel H-sheet pile |
ZA824897B (en) | 1981-07-31 | 1983-09-28 | Dawson Const Plant Ltd | Structural member for use in piling |
JPS62133209A (en) * | 1985-12-06 | 1987-06-16 | Shuzo Toriuchi | Construction method for steel sheet pile retaining wall, and steel sheet pile for retaining wall |
US4917543A (en) * | 1988-10-11 | 1990-04-17 | Dayco Products, Inc. | Wall system employing extruded panel sections |
BE1004337A6 (en) † | 1991-01-15 | 1992-11-03 | Arbed | Method of manufacturing components made of metal wall piling and / or beams, components made by this process and walls made of these factors. |
DE4205455C1 (en) † | 1992-02-22 | 1993-09-02 | Preussag Stahl Ag, 3150 Peine, De | Sealing wall of elements driven into ground for dumps - has performed elements welded fabrications, with connector at one side which slides over edge of neighbouring elements forming chamber |
LU88743A1 (en) † | 1996-04-17 | 1997-10-17 | Profilarbed Sa | Method for connecting a sheet pile to a beam |
JP3660807B2 (en) * | 1998-09-01 | 2005-06-15 | 新日本製鐵株式会社 | Steel sheet pile |
DE10339957B3 (en) | 2003-08-25 | 2005-01-13 | Peiner Träger GmbH | Double T-shaped strip for sheet piling has two web-linked flange sectors with connected lobe-shaped sectors |
-
2003
- 2003-10-14 LU LU91043A patent/LU91043B1/en active
-
2004
- 2004-10-14 EP EP04817205.0A patent/EP1689939B2/en not_active Not-in-force
- 2004-10-14 PL PL04817205T patent/PL1689939T3/en unknown
- 2004-10-14 WO PCT/EP2004/052549 patent/WO2005038148A1/en active Application Filing
- 2004-10-14 ES ES04817205T patent/ES2385039T3/en active Active
- 2004-10-14 US US10/575,678 patent/US7549823B2/en active Active
- 2004-10-14 AT AT04817205T patent/ATE553265T1/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2005038148A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005038148A1 (en) | 2005-04-28 |
EP1689939B1 (en) | 2012-04-11 |
ATE553265T1 (en) | 2012-04-15 |
LU91043B1 (en) | 2005-04-15 |
US7549823B2 (en) | 2009-06-23 |
ES2385039T3 (en) | 2012-07-17 |
US20070077129A1 (en) | 2007-04-05 |
EP1689939B2 (en) | 2016-05-25 |
PL1689939T3 (en) | 2012-09-28 |
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