EP2333161A2 - River bedload trap - Google Patents

River bedload trap Download PDF

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Publication number
EP2333161A2
EP2333161A2 EP10193140A EP10193140A EP2333161A2 EP 2333161 A2 EP2333161 A2 EP 2333161A2 EP 10193140 A EP10193140 A EP 10193140A EP 10193140 A EP10193140 A EP 10193140A EP 2333161 A2 EP2333161 A2 EP 2333161A2
Authority
EP
European Patent Office
Prior art keywords
river
bedload
fastened
container
anchored
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
Application number
EP10193140A
Other languages
German (de)
French (fr)
Other versions
EP2333161B1 (en
EP2333161A3 (en
Inventor
Waldemar Kociuba
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.)
Uniwersytet Marii Curie Sklodowskiej
Original Assignee
Uniwersytet Marii Curie Sklodowskiej
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.)
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Publication date
Application filed by Uniwersytet Marii Curie Sklodowskiej filed Critical Uniwersytet Marii Curie Sklodowskiej
Publication of EP2333161A2 publication Critical patent/EP2333161A2/en
Publication of EP2333161A3 publication Critical patent/EP2333161A3/en
Application granted granted Critical
Publication of EP2333161B1 publication Critical patent/EP2333161B1/en
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
    • 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
    • E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • E02B3/023—Removing sediments

Definitions

  • the subject of the invention is a device for trapping bedload dragged on the river bed with the purpose of obtaining thorough knowledge on the phenomenon of the movement of the material, and in particular determining the conditions at the beginning of bedload movement, and intensity of bedload transport.
  • the determination of the mass of bedload transported in a river bed during a specified time aims at the assessment of the intensity of bedload movement for the purpose of specifying the morphodynamic, hydrodynamic, and ecological conditions of a river, necessary for undertaking hydrotechnical, and in particular flood control, retention, and energy engineering works.
  • the objective of the invention is to construct a device easy to operate, enabling a thorough insight into the phenomena of river bedload movement in the river channel in any climatic-geographical conditions, in any given time unit, and with the application of continuous measurement procedure.
  • the River Bedload Trap in accordance with the invention, is composed of at least one building block in the form of a bedload fraction container fastened to a body together with a stabilizing frame, and fastened, by means of strings with clasps, favourably stainless snap hooks, to a construction securing and stabilizing the entire system in the form of a steel rope, favourably in PVC coating, stretched across the river channel, and anchored in the river banks by means of stakes with a regulated rope stay system.
  • the bedload fraction container built of waterproof net with mesh adjusted to the trapped fraction, favourably strengthened on seams with waterproof belt, is assembled, together with a clamp yoke, in a manner enabling its unfastening, on the metal body to which also the stabilizing frame is fastened, resting on a pair of perforated brackets anchored in the channel bed, enabling screwing on a crosspiece equipped with a vertical rifled rod with a screwed on tighten bolt.
  • the body is additionally equipped with a handle for pulling the container out, favourably made of waterproof belt.
  • the trap in accordance with the invention, is a portable, light, and comfortable to operate construction enabling carrying out measurements of the mass and volume of river bedload at the same sites and in the same time intervals adjusted to the discharge regime. Measurements with continuous, even 24h monitoring, can be performed irrespective of the environmental conditions of the catchment, and in extreme climatic conditions.
  • Fig. 1 presents the perspective view of the entire construction.
  • the River Bedload Trap is constructed of two building blocks, each having the container (1) fastened to the body (4) together with the stabilizing frame, and fastened, by means of strings (8 and 9) and stainless snap hooks (10), to the steel rope (11) in PVC coating, stretched across the river channel, and anchored in the river banks by means of stakes (12) with the rope stay system.
  • the containers (1) are made of waterproof net with mesh of 3.5 mm, strengthened on seams with waterproof belt, and assembled together with the clamp yoke (3), in a manner enabling its unfastening, on the metal body (4) to which also the stabilizing frame is fastened, resting on a pair of perforated brackets (2) anchored in the channel bed, enabling screwing on the crosspiece (5) equipped with the vertical rifled rod (6) with the screwed on tighten bolt.
  • the body is additionally equipped with the handle (7), made of waterproof belt, for pulling the container out.

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

Abstract

The trap, in accordance with the invention, is a portable, light, and comfortable to operate construction enabling performing measurements of the mass and volume of river bedload at the same sites and in the same time intervals adjusted to the discharge regime. Measurements with continuous, even 24h monitoring, can be performed irrespective of the environmental conditions of the catchment, and in extreme climatic conditions.
Incorporating single building blocks in the additional stabilizing-safety construction anchored strongly in the river banks allows for eliminating the effects of high-energy flood flow discharges, and collisions with drifting parts of trees or ice floats.
The River Bedload Trap is constructed of at least one building block equipped with a container (1) fastened to a body (4) together with a stabilizing frame, and fastened, by means of strings (8 and 9) and stainless snap hooks (10) to a steel rope (11) in PVC coating, stretched across the river channel, and anchored in the river banks by means of stakes (12) with a rope stay system.
The containers (1) are made of waterproof net strengthened on seams with waterproof belt, and assembled together with a clamp yoke (3), in a manner enabling its unfastening, on the metal body (4) to which also the stabilizing frame is fastened, resting on a pair of perforated brackets (2) anchored in the river channel bed, enabling screwing on a crosspiece (5) equipped with a vertical rifled rod (6) with a screwed on tighten bolt. The body is additionally equipped with a handle (7), made of waterproof belt, for pulling the container out.

Description

  • The subject of the invention is a device for trapping bedload dragged on the river bed with the purpose of obtaining thorough knowledge on the phenomenon of the movement of the material, and in particular determining the conditions at the beginning of bedload movement, and intensity of bedload transport.
  • The determination of the mass of bedload transported in a river bed during a specified time aims at the assessment of the intensity of bedload movement for the purpose of specifying the morphodynamic, hydrodynamic, and ecological conditions of a river, necessary for undertaking hydrotechnical, and in particular flood control, retention, and energy engineering works.
  • The issue of accurate assessment of bedload transport regime concerns particularly mountain rivers transporting significant amounts of bedload. In many cases, the application of direct measurement methods, in particular by means of modern devices, is not possible due to difficult field conditions and lack of infrastructure ― electricity supply.
  • Both Polish hydrometric practices and measurements of material dragging intensity in American gravel-bed rivers apply sets composed of a container with a pole for its lowering and lifting, system of cords for opening and closing the inlet of the container, and a directional rudder enabling positioning the container parallel to the direction of the water flow. Devices of this type are operated by a researcher directly in a river, or indirectly ―from a boat, pontoon, footbridge, or bridge. The presence of a researcher during the measurement limits the time of taking the sample to short time periods, and therefore causes reduction of quality of the measurement results. At high water levels and high turbidity, there is no possibility to control the position of the trap on the river bed, which usually disturbs the measurement. Moreover, the large weight and dimensions of the equipment limit the possibility of its application in the conditions of high-energy mountain rivers.
  • The issue is partially solved by the construction of traps stabilized in the river bed by means of steel rods and a metal sheet basis (aluminum ground plate), known from the publication by K. Bunte, S.R. Abt, J.P. Potyondy, S.E. Ryan, Journal of Hydraulic Engineering, Vol. 130, No. 9, 2004 .
  • This type of traps proves effective only in the conditions of low-water and sustainable discharges. Their operation in the conditions of flood flow requires minimum three persons securing the bedload trapping device by means of ropes. Replacement of the container requires partial or entire immersion of a researcher under water. In the conditions of mountain rivers, at low air temperatures, it is a serious inconvenience, also limiting the measurement time.
  • The objective of the invention is to construct a device easy to operate, enabling a thorough insight into the phenomena of river bedload movement in the river channel in any climatic-geographical conditions, in any given time unit, and with the application of continuous measurement procedure.
  • The River Bedload Trap, in accordance with the invention, is composed of at least one building block in the form of a bedload fraction container fastened to a body together with a stabilizing frame, and fastened, by means of strings with clasps, favourably stainless snap hooks, to a construction securing and stabilizing the entire system in the form of a steel rope, favourably in PVC coating, stretched across the river channel, and anchored in the river banks by means of stakes with a regulated rope stay system.
  • The bedload fraction container, built of waterproof net with mesh adjusted to the trapped fraction, favourably strengthened on seams with waterproof belt, is assembled, together with a clamp yoke, in a manner enabling its unfastening, on the metal body to which also the stabilizing frame is fastened, resting on a pair of perforated brackets anchored in the channel bed, enabling screwing on a crosspiece equipped with a vertical rifled rod with a screwed on tighten bolt. The body is additionally equipped with a handle for pulling the container out, favourably made of waterproof belt.
  • The trap, in accordance with the invention, is a portable, light, and comfortable to operate construction enabling carrying out measurements of the mass and volume of river bedload at the same sites and in the same time intervals adjusted to the discharge regime. Measurements with continuous, even 24h monitoring, can be performed irrespective of the environmental conditions of the catchment, and in extreme climatic conditions.
  • Incorporating single building blocks in the additional stabilizing-safety construction anchored strongly in the river banks allows for eliminating the effects of high-energy flood flow discharges, and collisions with drifting parts of trees or ice floats. Owing to situating the vertical and horizontal stabilizing elements over the water surface, the construction of the trap allows for its safe operation irrespective of the river stage.
  • The trap, in accordance with the invention, is presented in the picture, where Fig. 1 presents the perspective view of the entire construction.
  • The invention is presented as an embodiment.
  • The River Bedload Trap is constructed of two building blocks, each having the container (1) fastened to the body (4) together with the stabilizing frame, and fastened, by means of strings (8 and 9) and stainless snap hooks (10), to the steel rope (11) in PVC coating, stretched across the river channel, and anchored in the river banks by means of stakes (12) with the rope stay system.
  • The containers (1) are made of waterproof net with mesh of 3.5 mm, strengthened on seams with waterproof belt, and assembled together with the clamp yoke (3), in a manner enabling its unfastening, on the metal body (4) to which also the stabilizing frame is fastened, resting on a pair of perforated brackets (2) anchored in the channel bed, enabling screwing on the crosspiece (5) equipped with the vertical rifled rod (6) with the screwed on tighten bolt. The body is additionally equipped with the handle (7), made of waterproof belt, for pulling the container out.

Claims (3)

  1. The River Bedload Trap, with a bedload trapping element stabilized in the river channel, characterised in that it is composed of at least one building block in the form of a net container (1) for bedload fraction, fastened to a body (4) together with a stabilizing frame, and fastened by means of strings with clasps, favourably stainless snap hooks, to a construction securing and stabilizing the entire system in the form of a steel rope stretched across the river channel, and anchored in the river banks by means of stakes with a rope stay system.
  2. The building block mentioned in claim 1, characterised in that the container (1) is assembled together with a clamp yoke (3), in a manner enabling its unfastening, on the metal body (4) equipped with a handle (7) for pulling the container out, favourably made of waterproof belt, to which also the frame is fastened, resting on a pair of perforated brackets (2) anchored in the river channel bed, enabling screwing on a crosspiece (5) equipped with a vertical rifled rod (6) with a screwed on tighten bolt.
  3. The container mentioned in claims 1 and 2, characterised in that it is made of waterproof net with mesh adjusted to the trapped bedload fraction, favourably strengthened on seams with waterproof belt.
EP20100193140 2009-12-14 2010-11-30 River bedload trap Not-in-force EP2333161B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL389882A PL210267B1 (en) 2009-12-14 2009-12-14 Bedload trap in river beds

Publications (3)

Publication Number Publication Date
EP2333161A2 true EP2333161A2 (en) 2011-06-15
EP2333161A3 EP2333161A3 (en) 2013-02-27
EP2333161B1 EP2333161B1 (en) 2014-11-19

Family

ID=43629503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100193140 Not-in-force EP2333161B1 (en) 2009-12-14 2010-11-30 River bedload trap

Country Status (3)

Country Link
EP (1) EP2333161B1 (en)
ES (1) ES2527169T3 (en)
PL (1) PL210267B1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014096424A1 (en) * 2012-12-21 2014-06-26 Universität Innsbruck Bed load measurement using position or shape-alterable obstructing elements
CN106884405A (en) * 2017-03-08 2017-06-23 中国水利水电科学研究院 Inrush type mountain flood assay method for a kind of Cross Some Region Without Data
CN111397959A (en) * 2020-04-23 2020-07-10 长江水利委员会水文局荆江水文水资源勘测局（长江水利委员会水文局荆江水环境监测中心） Accurate test device suitable for medium and small river large-mouth bed load
CN114136382A (en) * 2022-01-29 2022-03-04 中国科学院西北生态环境资源研究院 River flow monitoring device for silt

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561251A (en) * 2012-03-29 2012-07-11 安徽省绩溪家德钢结构有限责任公司 Hydrologic monitoring station
KR20180083147A (en) * 2017-01-12 2018-07-20 한국교통대학교산학협력단 Handheld bed load sampler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH174381A (en) * 1933-01-21 1935-01-15 Tuerk Walter Method and device for measuring bed load movements in flowing waters.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
K. BUNTE; S.R. ABT; J.P. POTYONDY; S.E. RYAN, JOURNAL OF HYDRAULIC ENGINEERING, vol. 01.130, no. 9, 2004

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014096424A1 (en) * 2012-12-21 2014-06-26 Universität Innsbruck Bed load measurement using position or shape-alterable obstructing elements
CN106884405A (en) * 2017-03-08 2017-06-23 中国水利水电科学研究院 Inrush type mountain flood assay method for a kind of Cross Some Region Without Data
CN106884405B (en) * 2017-03-08 2018-10-09 中国水利水电科学研究院 Inrush type mountain flood assay method for a kind of Cross Some Region Without Data
CN111397959A (en) * 2020-04-23 2020-07-10 长江水利委员会水文局荆江水文水资源勘测局（长江水利委员会水文局荆江水环境监测中心） Accurate test device suitable for medium and small river large-mouth bed load
CN111397959B (en) * 2020-04-23 2024-04-30 长江水利委员会水文局荆江水文水资源勘测局（长江水利委员会水文局荆江水环境监测中心） Accurate testing device suitable for middle and small river large gate bed load
CN114136382A (en) * 2022-01-29 2022-03-04 中国科学院西北生态环境资源研究院 River flow monitoring device for silt
CN114136382B (en) * 2022-01-29 2022-04-12 中国科学院西北生态环境资源研究院 River flow monitoring device for silt

Also Published As

Publication number Publication date
PL210267B1 (en) 2011-12-30
EP2333161B1 (en) 2014-11-19
EP2333161A3 (en) 2013-02-27
PL389882A1 (en) 2011-06-20
ES2527169T3 (en) 2015-01-21

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