WO2014086402A1 - Grille pour barrages à déversoir libre - Google Patents

Grille pour barrages à déversoir libre Download PDF

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Publication number
WO2014086402A1
WO2014086402A1 PCT/EP2012/074445 EP2012074445W WO2014086402A1 WO 2014086402 A1 WO2014086402 A1 WO 2014086402A1 EP 2012074445 W EP2012074445 W EP 2012074445W WO 2014086402 A1 WO2014086402 A1 WO 2014086402A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
gate
chamber
water
barrier
Prior art date
Application number
PCT/EP2012/074445
Other languages
English (en)
Inventor
Argyrios KAGIANNAS
Sylvain Chevalier
Original Assignee
Raycap Intellectual Proterty Ltd.
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
Application filed by Raycap Intellectual Proterty Ltd. filed Critical Raycap Intellectual Proterty Ltd.
Priority to US14/415,707 priority Critical patent/US20150267369A1/en
Priority to EP12801723.3A priority patent/EP2812496B1/fr
Priority to PCT/EP2012/074445 priority patent/WO2014086402A1/fr
Publication of WO2014086402A1 publication Critical patent/WO2014086402A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
    • E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/08—Details, e.g. gates, screens
    • 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
    • E02B7/16—Fixed weirs; Superstructures or flash-boards therefor
    • 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
    • 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
    • E02B7/205—Barrages controlled by the variations of the water level; automatically functioning barrages
    • 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
    • E02B7/40—Swinging or turning gates
    • E02B7/42—Gates of segmental or sector-like shape with horizontal axis

Definitions

  • the invention relates to a gate for free spillway weirs according to the preamble of claim 1.
  • Gated spillways such as conventional and inflatable gates, allow operating dams to their full storage capacity but are not fully reliable, because 30% of gate dam failures are due to a malfunctioning of gates.
  • a particular type of floodgates is known as fusegates, which are arranged side- by-side on a weir to form a watertight barrier in order to store water.
  • fusegates In case of huge floods, they are configured to automatically tip and be washed away in order to protect the dam from being overtopped and/or to prevent the flooding of the reservoir banks.
  • each gate is configured to tip at a predetermined flood level, so that multiple gates can be configured to gradually open as the flood level is rising.
  • fusegate spillways are the preferred choice when the probability of an overturning of the gate is low.
  • Document US 5032038 discloses a fusegate on the sill of a spillway comprising at least one heavy element, said fusegate being capable of resisting the water loads when spilling moderate heads (for discharging the floods of shorter recurrence intervals) by virtue of their own weight but breaching by overturning at a predetermined head corresponding to a level not higher than a predetermined maximum water level in order to discharge larger floods.
  • the problem solved by the present invention is to further develop a gate for free spillway weirs according to the preamble of claim 1, so that the gate is improved with respect to its stability.
  • the gate for free spillway weirs comprises a barrier capable of retaining a body of water at a predetermined retaining level with a central barrier wall that is inclined in a direction away from the body of water, a bottom structure beneath the body of water that is capable of delimiting by a weir a bottom chamber filled with air and holding the barrier in its water retaining position by the water pressure exercised on said bottom structure, and an inlet extending beyond the retaining level of the barrier with an upper opening beneath a predetermined flood level that allows water to flood the bottom chamber so as to offset the water pressure on the bottom structure and thereby allow a tipping of the gate, wherein a wall structure forms a wall chamber on the central barrier wall, wherein the wall chamber is capable of being flooded so as to assist the tipping of the gate.
  • such a gate is more stable at all water levels, because it requires the additional overturning moment of the water inside the wall chamber. Therefore, the gate is less likely to accidently tip when heavy objects, e.g. tree trunks, traveling with the current at flood levels between the retaining and the flood level hit the gate.
  • the wall chamber of the gate is capable of being flooded in association with the bottom chamber.
  • the additional overturning moment on the central barrier wall due to the water flooding the wall chamber can be controlled.
  • the gate is capable of tipping when flood water has filled the wall chamber to at least a predetermined level.
  • the quantity of water inside the wall chamber necessary for the gate to tip can be set. The higher the quantity of water required is, the more stable the gate is up to the flood level, whereas the lower the quantity of water required is, the faster and more reliably the gate turns.
  • the inlet of the gate is capable of filling the wall chamber and then the bottom chamber. In this way, the necessary additional overturning moment of the water inside the wall chamber is achieved before the bottom chamber is filled, which leads to a faster tipping of the gate once the bottom chamber is filled.
  • a partitioning structure of the gate divides the space within the wall structure into the wall chamber and flow-through means leading to the bottom chamber. The main reason for this is to improve the compactness of the gate and integrate this necessary component together with the wall chamber into one easily sealable wall structure.
  • the partitioning structure is a partitioning wall extending upwards inside the wall structure.
  • a partitioning wall is sufficient to efficiently delimit a wall chamber inside the wall structure.
  • the wall structure extends from the top of the central barrier wall in a direction towards the bottom chamber. Since the top of the inclined central barrier wall is farthest from the tipping axis of the gate, it is desirable to increase the lever of the flooded wall chamber by placing it at the top of the central barrier wall in order to maximize the achievable overturning moment.
  • the wall structure extends substantially along the entire central barrier wall.
  • the capacity of the wall chamber can be further maximized, which results in a greater additional overturning moment.
  • the wall chamber extends substantially in parallel to the central barrier wall.
  • the direction of the hydrostatic force of the body of water corresponds to the inclination of a conventional gate without the wall chamber.
  • the inlet is integral with the wall structure. Therefore, the inlet can lead water directly to the wall chamber.
  • the wall structure is integral with the bottom structure. Such an arrangement renders the gate very compact and also offers the possibility to maximize the capacity of the wall chamber in a downward direction.
  • a top plate of the bottom chamber constitutes a bottom of the wall chamber.
  • Such a close arrangement of bottom and wall chamber benefits the compactness of the gate and at the same time maximizes the capacity of both chambers.
  • the bottom chamber is capable of being filled with water from the wall chamber through a hole in the top plate.
  • the positive effect is that external connecting means leading from one chamber to the other are not necessary.
  • the wall chamber has a drain hole that is capable of releasing water in case of rain, spindrift or wave to the bottom chamber or to the outside of the gate away from the body of water.
  • a drain hole prevents the wall chamber from being accidentally filled with water and flooded before the actual flood conditions occur.
  • the bottom chamber has a drain hole that is capable of releasing water to the outside of the gate away from the body of water with a significantly lower maximum water throughput than the water throughput for flooding the wall chamber and the bottom chamber, and wherein the section of the drain hole of the wall chamber is smaller than the section of the drain hole of the bottom chamber.
  • ballast block on top of the bottom structure assists the holding of the barrier in its water retaining position.
  • the ballast block allows the gate to be stably installed on the weir when the body of water is still absent.
  • ballast blocks can be easily made in different sizes, materials and weights such that each gate depending on the flood level at which it is intended to tip can be balanced precisely by a balance block while the more complex structures of the gate, e.g. the bottom structure, remain basically unchanged .
  • Fig. 1 shows an embodiment of the gate in a perspective view.
  • Fig . 1 shows a steel gate 1 on a flat free spillway weir 2 in an upright, water retaining position.
  • the gate 1 has, as a main component, a barrier 3 with an U- shape being open towards a body of water W and extending upwards to a predetermined retaining level RL.
  • the barrier 3 is formed by a central barrier wall 4 that is inclined in a direction away from the body of water W and two side barrier walls 5, 6 that are perpendicular to the weir 2.
  • Toe abutments 100 are fixedly connected to the weir 2 and abut against the central barrier wall 4 on its side facing away from the body of water W.
  • a bottom structure 7 is located within the barrier 3 at a lower portion of the gate 1 and close to the weir 2.
  • the bottom structure 7 has: a top plate 9 that extends in parallel to the weir 2 and along the barrier 3; and a back plate 10 that extends from the free end of the top plate 9 along the free ends of the side barrier walls 5, 6 to the weir 2.
  • a ballast block 11 is placed on top of the top plate 9 at its free end .
  • the bottom structure 7 is watertightly welded to the barrier 3 such that it delimits a bottom chamber 8 by the weir 2 and the barrier 3.
  • the bottom chamber 8 has two holes 20, 22 : a drain hole 22 cut out in the bottom of the central barrier wall 4; and a hole 20 in the top plate 9 close to the central barrier wall 4.
  • a wall structure 12 extends from the top plate 9 of the bottom structure along the central barrier wall 4.
  • the wall structure 12 has: a wall plate 15 that extends from the top plate 9 upwards between the side barrier walls 5, 6 and substantially in parallel to and along the entire central barrier wall 4 to the top edge of the central barrier wall 4; and a partitioning wall 16 that extends from the top plate 9 upwards between the central barrier wall 4 and the wall plate 15 and in parallel to the side barrier walls 5, 6 to a predetermined height.
  • the wall structure 12 is watertightly welded to the top plate 9, the side barrier walls 5, 6 and the upper edge of the central barrier wall 4.
  • the partitioning wall 16 is displaced towards the one side barrier wall 5 and divides the space inside the wall structure 12 into a bigger wall chamber 13 and a smaller flow-through shaft 14.
  • the wall chamber 13 and the flow-through shaft 14 are connected through a bigger opening between the upper edge of the partitioning wall 16 and the wall plate 15 and a smaller drain hole 21 cut-out in the bottom of the partitioning wall 16.
  • the hole 20 in the top plate 9 leads to the flow-through shaft 14 and thereby connects the wall chamber 13 and the bottom chamber 8.
  • An inlet 17 extends upwards from the top of the wall structure 12 and symmetrically to the side barrier walls 5, 6.
  • the inlet 17 is welded to the wall plate 15 and has an upper opening 18 beneath a predetermined flood level FL and a lower opening 19 leading through the wall plate 15 to the wall chamber 13.
  • the gate 1 shown in Fig. 1 When the level of the body of water W is below a flood level FL, the gate 1 shown in Fig. 1 is in the upright position. In this position, the water pressure of the body of water W exercised on the bottom structure 7 is enough to press the bottom structure 7 against the weir 2 and thereby hold the gate 1 in its upright position. As soon as the body of water has reached the predetermined flood level FL, water enters through the upper opening 18 of the inlet 17 and fills through the lower opening 19 of the inlet 17 the wall chamber 13. When the water inside the wall chamber 13 has reached the predetermined height of the partitioning wall 16, it overflows the upper edge of the partitioning wall 16 and flows through the flow-through shaft 14 and the hole 20 in the top plate 9 into the bottom chamber 8.
  • the water pressure on the bottom structure 7 holding the gate 1 is being offset.
  • the hydrostatic pressure of the body of water W acting on the wall plate 15 and the additional overturning moment of the filled wall chamber 13 cause the gate 1 to tip over the toe abutments 100.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Barrages (AREA)

Abstract

L'invention concerne une grille (1) ayant une barrière (3) capable de retenir l'eau (W) avec une paroi de barrière centrale (4) qui est inclinée dans une direction à l'opposé de l'eau, une structure de fond (7) sous l'eau capable de délimiter, à l'aide d'un barrage (2), une chambre inférieure (8) remplie d'air et maintenant la barrière dans sa position de retenue de l'eau grâce à la pression de l'eau exercée sur ladite structure de fond, et une entrée (17) s'étendant au-delà du niveau de retenue de la barrière avec une ouverture supérieure (18) qui permet à l'eau d'inonder la chambre inférieure afin de compenser la pression de l'eau sur la structure de fond et de permettre ainsi une inclinaison de la grille, une structure de parois (12) formant une chambre à parois (13) sur la paroi de barrière centrale, la chambre à parois pouvant être inondée afin de contribuer à l'inclinaison de la grille.
PCT/EP2012/074445 2012-12-05 2012-12-05 Grille pour barrages à déversoir libre WO2014086402A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/415,707 US20150267369A1 (en) 2012-12-05 2012-12-05 Gate for free spillway weirs
EP12801723.3A EP2812496B1 (fr) 2012-12-05 2012-12-05 Grille pour barrages à déversoir libre
PCT/EP2012/074445 WO2014086402A1 (fr) 2012-12-05 2012-12-05 Grille pour barrages à déversoir libre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/074445 WO2014086402A1 (fr) 2012-12-05 2012-12-05 Grille pour barrages à déversoir libre

Publications (1)

Publication Number Publication Date
WO2014086402A1 true WO2014086402A1 (fr) 2014-06-12

Family

ID=47358454

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/074445 WO2014086402A1 (fr) 2012-12-05 2012-12-05 Grille pour barrages à déversoir libre

Country Status (3)

Country Link
US (1) US20150267369A1 (fr)
EP (1) EP2812496B1 (fr)
WO (1) WO2014086402A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105714746A (zh) * 2016-02-26 2016-06-29 四川大学 用于高水头泄洪洞中闸室的压坡式通风井
CN108589670A (zh) * 2018-05-03 2018-09-28 四川大学 减少泄洪雾雨量的泄洪口结构
CN108755612A (zh) * 2018-04-23 2018-11-06 中国水利水电第九工程局有限公司 一种自动倾翻泄洪闸门系统
CN113089599A (zh) * 2021-03-09 2021-07-09 中国电建集团西北勘测设计研究院有限公司 一种减少旋流泄洪洞底部流速的连接结构

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544476B (zh) * 2016-02-01 2017-12-15 邓翔宇 一种有压泄洪孔口控流设施
FR3062406B1 (fr) * 2017-01-31 2019-04-05 Hydroplus Deversoir evacuateur de crues pour barrages et ouvrages similaires comportant un dispositif integre d'aeration de la nappe d'eau aval.
IT201800009417A1 (it) * 2018-10-12 2020-04-12 Sws Eng Spa Impianto idrico a soglia di sfioro
CN111335259B (zh) * 2020-05-06 2023-12-29 盐城瑞德石化机械有限公司 一种拦截泥石流用活动式分流装置
ES2894904B2 (es) * 2021-07-28 2022-06-16 Univ Madrid Politecnica Compuerta fusible recuperable de vertedero de tecla de piano con sistema de apertura y cierre de una seccion de paso de agua en una obra hidraulica

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR566779A (fr) * 1923-05-28 1924-02-20 Clapet de retenue à commande hydraulique
US2598389A (en) * 1948-11-29 1952-05-27 Jermar Frantisek Hydrostatic weir, gate, and the like
US5032038A (en) 1989-12-21 1991-07-16 Gtm Batiment Et Travaux Publics Overflow spillway for dams, weirs and similar structures
EP0493183A1 (fr) * 1990-12-28 1992-07-01 Gtm-Entrepose Evacuateur de crues exceptionnelles pour barrage comportant au moins deux dispositifs d'évacuation de crues
US20110229268A1 (en) * 2007-10-19 2011-09-22 Hydroplus Secured fusible

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621484A (en) * 1949-05-17 1952-12-16 Jermar Frantisek Hydraulic gate
US4103497A (en) * 1976-04-28 1978-08-01 Pirelli Furlanis - Applicazioni Idrauliche Agricole Gomma S.P.A. Manoeuvrable weir
FR2733260B1 (fr) * 1995-04-19 1997-05-30 Hydroplus Dispositif pour declencher la destruction d'une partie choisie d'un ouvrage hydraulique tel qu'une levee, une digue ou un barrage en remblai, et ouvrage hydraulique comportant un tel dispositif
AU784831B2 (en) * 2000-03-23 2006-06-29 Auto Flow Gate Pty Ltd Liquid level regulation apparatus
US7726907B2 (en) * 2006-08-10 2010-06-01 Mccreedy C Thomas Automatic trip gate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR566779A (fr) * 1923-05-28 1924-02-20 Clapet de retenue à commande hydraulique
US2598389A (en) * 1948-11-29 1952-05-27 Jermar Frantisek Hydrostatic weir, gate, and the like
US5032038A (en) 1989-12-21 1991-07-16 Gtm Batiment Et Travaux Publics Overflow spillway for dams, weirs and similar structures
EP0493183A1 (fr) * 1990-12-28 1992-07-01 Gtm-Entrepose Evacuateur de crues exceptionnelles pour barrage comportant au moins deux dispositifs d'évacuation de crues
US20110229268A1 (en) * 2007-10-19 2011-09-22 Hydroplus Secured fusible

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105714746A (zh) * 2016-02-26 2016-06-29 四川大学 用于高水头泄洪洞中闸室的压坡式通风井
CN108755612A (zh) * 2018-04-23 2018-11-06 中国水利水电第九工程局有限公司 一种自动倾翻泄洪闸门系统
CN108589670A (zh) * 2018-05-03 2018-09-28 四川大学 减少泄洪雾雨量的泄洪口结构
CN108589670B (zh) * 2018-05-03 2020-05-01 四川大学 减少泄洪雾雨量的泄洪口结构
CN113089599A (zh) * 2021-03-09 2021-07-09 中国电建集团西北勘测设计研究院有限公司 一种减少旋流泄洪洞底部流速的连接结构

Also Published As

Publication number Publication date
EP2812496B1 (fr) 2016-04-27
EP2812496A1 (fr) 2014-12-17
US20150267369A1 (en) 2015-09-24

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