EP1972722A1 - Schleusentor und Steg für ein solches Tor - Google Patents

Schleusentor und Steg für ein solches Tor Download PDF

Info

Publication number: EP1972722A1
Authority: EP; European Patent Office
Prior art keywords: core; recesses; lock gate; gate according; plating sheet
Prior art date: 2007-03-20
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

EP08356049A

Other languages

English (en)

French (fr)

Other versions

EP1972722B1 (de

Inventor

Michel Alexandre Cardis

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.)

GE Renewable Technologies SAS

Original Assignee

Alstom Hydro France SAS

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.)

2007-03-20

Filing date

2008-03-19

Publication date

2008-09-24

2008-03-19 Application filed by Alstom Hydro France SAS filed Critical Alstom Hydro France SAS

2008-09-24 Publication of EP1972722A1 publication Critical patent/EP1972722A1/de

2017-01-11 Application granted granted Critical

2017-01-11 Publication of EP1972722B1 publication Critical patent/EP1972722B1/de

Status Active legal-status Critical Current

2028-03-19 Anticipated expiration legal-status Critical

Images

Classifications

- 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
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
- E04C3/083—Honeycomb girders; Girders with apertured solid web
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/11—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with non-parallel upper and lower edges, e.g. roof trusses
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/38—Arched girders or portal frames
- E04C3/40—Arched girders or portal frames of metal

Definitions

the present invention relates to a sluice gate for supporting a pressure exerted by a liquid on all or part of its surface.
the invention also relates to a core for such a sluice gate.
Lock gate means a generally flat structure capable of retaining a free surface liquid.
a lock gate When in use, a lock gate separates a downstream basin from an upstream basin in which the liquid to be retained is located. This liquid submits the lock gate to a distributed pressure varying with time and distance at the bottom of the door.
a lock gate therefore works in fatigue since it undergoes cyclic stresses.
some doors, such as rolling doors, rising or lowering, work mainly in bending, both in a vertical direction and in a horizontal direction.
the structure of known lock gates generally comprises a globally flat plating sheet and located on the downstream side and several webs or webs extending horizontally along the plating sheet, each core being secured to this sheet to take back the constraints suffered. Indeed, the hydraulic pressure exerted on the door is generally transmitted to two vertical uprights located respectively on each side of the door, which implies the installation of horizontal webs along the plating sheet. These souls may have a solid or lattice structure.
a conventional lock gate generally comprises secondary horizontal stiffeners parallel to the webs as well as vertical stiffeners to ensure the vertical rigidity of the structure. Some of the vertical stiffeners may have a widening web shape downward of the structure.
the horizontal webs, the secondary horizontal stiffeners and the vertical stiffeners are welded to the plating sheet in order to take up the constraints that the latter undergoes.
souls solid must themselves be provided with longitudinal and transverse stiffeners to avoid veiling in a vertical direction.
the structure of a conventional door therefore has the disadvantage of requiring a large number of welds which form between them as many weld crossings.
weld crosses weaken the structure when it works in fatigue, as is the case of the lock gates.
the transverse welds which extend in a substantially vertical direction, are poorly resistant to variations in the stresses according to the height of the liquid and particularly to the differences between the stresses exerted above and those exerted below the free surface of the liquid.
DE-C-845 329 describes a sluice gate, each leaf of which consists of superimposed boxes.
the middle part of each box is hollow so as to house a tubular support on which are fixed pipes intended to evacuate the air present in the boxes during the openings and / or closures of the lock.
the upper and lower parts of each box have a relatively thick plate for sealing with the adjacent box.
the structure of these caissons, in particular of these plates and of this tubular support is not designed to withstand the mechanical stresses in flexion and fatigue which are exerted on the current lock gates of rising, lowering types. or rolling.
the present invention is more particularly to overcome these disadvantages by providing a lock gate whose structure requires fewer welds and is more resistant to flexion and fatigue than those of known doors.
the invention relates to a sluice gate, intended to withstand a pressure exerted by a liquid, the door comprising a generally flat plating sheet, a plurality of thin cores extending along the plating sheet and substantially parallel to each other, each core being secured to the plating sheet.
each core has, on the opposite side to the plating sheet, a curved edge in a plane transverse to the plating sheet, each core widening towards its center and narrowing towards its extremities.
Each core is pierced with several disjointed recesses and configured to delimit together a first band extending along the plating sheet, a second strip extending along the curved edge and bridges connecting the first and second strips and s extending between two neighboring recesses.
the door comprises at least one stiffener extending through recesses belonging respectively to several souls.
the structure of the door requires more or very few transverse welds, so that its fatigue resistance is improved.
the horizontal webs take more stress, which improves the bending strength of the door.
the figure 1 shows a plane structure able to form a lock gate.
This door comprises a generally flat plating sheet 1 and intended to be placed on the downstream side of the door.
the outer face of the plating sheet 1, facing towards the rear of the figure 1 is intended to be turned towards a downstream basin.
the plating sheet 1 has a length L substantially corresponding to the width of the channel to be controlled in the case of a lifting, lowering or rolling lock gate.
the door also comprises two lateral uprights 61 and 62, located respectively at each lateral end of the plating sheet 1.
the uprights 61 and 62 extend parallel to an axis Z, which coincides with a generally vertical direction when the door is installed. in the lock.
the uprights 61 and 62 consist of generally rectangular plates, narrow and mounted perpendicularly to the plating sheet 1.
the uprights 61 and 62 are formed integrally with the plating sheet 1, for example by means of a bending or welding operation at each lateral end of the plating sheet 1.
the lock gate is a lifting gate, that is to say that it is raised to allow the communication of upstream and downstream basins.
hooking elements 51 and 52 are provided on each side of the structure to allow to fix the lock gate on a lift mechanism known per se and which is not described.
the hooking elements 51 and 52 are formed by square section sections extending perpendicularly to the uprights 61 and 62.
the sluice gate furthermore comprises sixteen thin and flat webs which extend between the uprights 61 and 62, substantially parallel to each other and in a horizontal plane, that is to say in a plane perpendicular to the axis. Z.
the number of souls belonging to the door depends in particular on the height of the door and it can be understood for example between twelve and twenty.
the cores 2 are here formed by flat plates and identical to each other. They can each have a thickness of between 10 mm and 100 mm, depending on the pressure that must bear the door.
Each core 2 is secured to the plating sheet 1 by means of two weld lines L 1 and L 2 extending over a substantial portion, and preferably over the entire length L of the plating sheet 1 and 2.
each core 2 is welded at its ends to each post 61 or 62.
the welds are sized to withstand the stresses when the liquid exerts pressure on the door. lock.
each core 2 has a rectilinear profile so as to match the flat shape of the plating sheet 1.
each core 2 has an edge B 2 which has a generally curved profile in a horizontal plane XY and perpendicular to the plating sheet 1. This profile is defined so that a core 2 widens, in the direction Y, towards its middle and is shrinks to its ends. This makes it possible to give the core good flexural strength in the Y direction.
each core 2 has a parabolic B 2 edge with a width l at its center of 2.8 m, a width l 'to near its ends of 60 cm and a length L of about 25 m. The ratio l / l is thus between 0.15 and 0.3.
the door On the opposite side to the plating sheet 1, the door comprises several flanges 3, consisting of thin strips of sheet metal, which extend vertically on the edges B 2 of the webs 2 and horizontally between the uprights 61 and 62. Each flange 3 is secured to a pair of superposed souls 2 so as to stiffen them and to distribute the stresses between them.
the soles 3 may for example be welded to the cores 2 by means of weld lines L 3 and L 4 extending along each of the edges B 2 of these cores, or on a substantial part of these edges. Alternatively, a sole may be welded to a single core, three souls or more than three souls.
the assembly formed by two cores 2 or more, a sole 3 and the wall of the plating sheet 1 defines a beam structuring the lock gate and contributing to its mechanical strength.
the souls 2 associated with a sole 3 are spaced two by two by a distance d 1 of 80 cm.
the distance d 1 can be between 50 cm and 2.5 m depending on the height of the door and the thickness of the souls. This helps to give the door good mechanical strength.
two neighboring beams are spaced a distance d 2 which can also be between 50 cm and 2.5 m.
the plating sheet 1, the cores 2, the uprights 61 and 62 and the flanges 3 consist of at least one metal having good mechanical properties and good weldability, such as the structural steel of grade S355J2.
the soles 3 Insofar as a sole 3 matches the edge B 2 of each core 2, the soles 3 also have a generally parabolic profile, which makes it possible to obtain a compression force supported by the sole 3 which is practically constant along the webs 2 and compensating the shear force exerted in each section of a sole 3 except, possibly, at level of its lateral ends. Curved profiles other than parabolic can be used to achieve the edges B 2 of the cores 2 and the flanges 3 in order to distribute and balance such forces, the central portion of each beam being wider than its ends.
each core 2 has seven recesses 20 disjoint and distributed along its central portion.
the recesses 20 each have dimensions slightly less than the width of the section of the core 2 where they are located.
the recesses 20 delimit together a first strip 21 along the straight edge B 1 in the vicinity of the plating sheet 1, a second strip 22 along the parabolic edge B 2 and bridges 23 interconnecting the strips 21 and 22 and extending perpendicularly to the edge B 1 between two adjacent recesses 20.
the strips 21 and 22 are materialized by dashed lines generally parallel to each longitudinal edge of the core 2.
the souls 2 are therefore of the "bow-string” type.
the shape of the recesses 20 is defined by a circular arc on the side of the bordered plate 1 connected, on the opposite side, to segments of a curve parallel to the edge B 2 .
each bridge 23 allows a progressive distribution of the stresses between the strips 21 and 22 and the bridges 23.
the recesses 20 could have other shapes, provided that they delimit regions similar to the strips 21 , 22 and bridges 23.
each band 21 works in traction, because it is subjected to stresses oriented in the longitudinal direction X of the core 2.
the strips 21 can not be reached. to veil, that is to say to deform out of a horizontal plane parallel to the plane XY.
the strips 22 work in their compression, but they are stiffened by the soles 3 which are welded perpendicularly.
the strips 22 therefore have a low or no risk of warping along the Z axis. Indeed, as shown by the snatch at the figure 1 , the soles constitute, with the strips 21, section elements in "L" having a relatively high moment of inertia with respect to the Y and Z axes.
the width 22 of a strip 22, taken parallel to the Y axis, that is to say perpendicular to the vertical and the length L of the core 2, is less than twenty times, and The thickness of the core 2 is preferably fifteen times. Such a dimensioning makes it possible to further reduce the risk of warpage of the strips 22 in use.
the bridges 23 work in traction, that is to say that they transmit transverse forces to the strips 21 and 22.
the bridges 23 therefore also have a low risk of veiling or zero.
the door also comprises a stiffener 4 in the form of a circular base tube extending along the Z axis and traversing the souls at their median recesses.
the stiffener 4 is secured to the webs, for example by welding, so as to take back part of the forces exerted along the Z axis.
the stiffener 4 increases the vertical rigidity of the entire door and its mechanical strength. the pressure P.
the stiffener 4 can cross all the souls 2 or only a part of them, according to the needs of the intended application.
the stiffener 4 may be full and, if necessary, other tubes may also be provided through the recesses 20 adjacent to the median recesses.
the stiffener 4 may consist of a non-circular section tube, but, for example, elliptical or polygonal.
the water can easily go up on the height of the door, which avoids the momentary differences in stresses between neighboring regions and improves the mechanical strength of the door.
Such a door requires fewer welds than the doors of the prior art.
these welds extend essentially according to same directions as the main stresses to the door, which increases their resistance and that of the door, especially to fatigue.
the door thus formed is substantially lightened, firstly, thanks to the recesses 20 and the thin thickness of the cores 2 and, secondly, by reducing the number of necessary welds.
Such a door has, at equal mass, a mechanical strength in fatigue and in bending greater than those of the front doors.

Landscapes

Engineering & Computer Science (AREA)
Structural Engineering (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Civil Engineering (AREA)
Barrages (AREA)
Slot Machines And Peripheral Devices (AREA)

EP08356049.0A 2007-03-20 2008-03-19 Schleusentor Active EP1972722B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0702002A FR2913989B1 (fr)	2007-03-20	2007-03-20	Porte d'ecluse et ame pour une telle porte

Publications (2)

Publication Number	Publication Date
EP1972722A1 true EP1972722A1 (de)	2008-09-24
EP1972722B1 EP1972722B1 (de)	2017-01-11

Family

ID=38578527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP08356049.0A Active EP1972722B1 (de)	2007-03-20	2008-03-19	Schleusentor

Country Status (3)

Country	Link
EP (1)	EP1972722B1 (de)
BR (1)	BRPI0800785A (de)
FR (1)	FR2913989B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012146595A2 (fr)	2011-04-26	2012-11-01	Alstom Hydro France	Porte d'ecluse
CN105081519A (zh) *	2015-09-16	2015-11-25	中国葛洲坝集团第六工程有限公司	一种大型表孔弧形闸门门叶焊接方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE845329C (de)	1951-03-07	1952-07-31	Maschf Augsburg Nuernberg Ag	Ersatz-Schleusentor, z. B. Ersatzstemmtor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3283464A (en) *	1960-05-10	1966-11-08	Litzka Franz	Honeycomb girders and method for making same

2007
- 2007-03-20 FR FR0702002A patent/FR2913989B1/fr active Active
2008
- 2008-03-19 BR BRPI0800785-3A patent/BRPI0800785A/pt active Search and Examination
- 2008-03-19 EP EP08356049.0A patent/EP1972722B1/de active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE845329C (de)	1951-03-07	1952-07-31	Maschf Augsburg Nuernberg Ag	Ersatz-Schleusentor, z. B. Ersatzstemmtor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2012146595A2 (fr)	2011-04-26	2012-11-01	Alstom Hydro France	Porte d'ecluse
FR2974584A1 (fr) *	2011-04-26	2012-11-02	Alstom Hydro France	Porte d'ecluse
WO2012146595A3 (fr) *	2011-04-26	2013-01-10	Alstom Hydro France	Porte d'ecluse
CN103534414A (zh) *	2011-04-26	2014-01-22	阿尔斯通再生能源技术公司	水门
CN103534414B (zh) *	2011-04-26	2015-05-13	阿尔斯通再生能源技术公司	水门
RU2556052C2 (ru) *	2011-04-26	2015-07-10	АЛЬСТОМ Риньюэбл Текнолоджиз	Шлюзовые ворота
US9085867B2 (en)	2011-04-26	2015-07-21	Alstom Renewable Technologies	Water-gate
CN105081519A (zh) *	2015-09-16	2015-11-25	中国葛洲坝集团第六工程有限公司	一种大型表孔弧形闸门门叶焊接方法

Also Published As

Publication number	Publication date
BRPI0800785A (pt)	2008-11-04
EP1972722B1 (de)	2017-01-11
FR2913989B1 (fr)	2009-05-08
FR2913989A1 (fr)	2008-09-26

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