EP0040876A2 - Verfahren und Vorrichtung für die Anwendung unter Wasser von Baustoffen, insbesondere bituminöser Mischungen - Google Patents

Verfahren und Vorrichtung für die Anwendung unter Wasser von Baustoffen, insbesondere bituminöser Mischungen Download PDF

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Publication number
EP0040876A2
EP0040876A2 EP81200519A EP81200519A EP0040876A2 EP 0040876 A2 EP0040876 A2 EP 0040876A2 EP 81200519 A EP81200519 A EP 81200519A EP 81200519 A EP81200519 A EP 81200519A EP 0040876 A2 EP0040876 A2 EP 0040876A2
Authority
EP
European Patent Office
Prior art keywords
rotating roller
mixtures
slit
dosing apparatus
roller
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.)
Withdrawn
Application number
EP81200519A
Other languages
English (en)
French (fr)
Other versions
EP0040876A3 (de
Inventor
Marinus Gerardus M. Van Grunsven
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.)
Bitumarin BV
Original Assignee
Bitumarin BV
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 Bitumarin BV filed Critical Bitumarin BV
Publication of EP0040876A2 publication Critical patent/EP0040876A2/de
Publication of EP0040876A3 publication Critical patent/EP0040876A3/de
Withdrawn legal-status Critical Current

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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
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/121—Devices for applying linings on banks or the water bottom
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/10—Placing gravel or light material under water inasmuch as not provided for elsewhere

Definitions

  • the banks of canals, rivers and other waterways are usually subject to erosion by water movements. This erosion specifically occurs near the waterline and is mostly caused by waves or currents wearing the slope of the dyke or dam. Erosion may also occur from the inside and be caused by effluent groundwater as a result of which the occurring hydraulic gradients become too large. In many instances there even arises a combination of factors. For these reasons it is essential to take measures to prevent erosion of the banks.
  • the provisions which are required in the above instances mostly comprise a sufficiently heavy coating which in the case of slopes sometimes extends down into the toe of the slope.
  • a filter construction In the case of open coatings the application of a filter construction is essential in order to prevent washing out of underlying soil.
  • a filter construction In the case of closed coatings a filter construction is not essential but a minimum quantity of material is required in order to prevent lifting-up of the coating by water pressure.
  • bituminous materials Over the past decades the application of bituminous materials has greatly increased. Particularly the most recent developments have seen the application of bituminous mixtures which were overfilled. When these mixtures are used under water, such a slow cooling-down, known as "hot flow", occurs that handling or working p E r se is sufficiently assured. Understood are penetration mortars or overfilled stone-asphalt mortars. The use of these mixtures mostly results in constructiors which are closed by nature and are consequently relatively heavy constructions. Only partial penetration of the coatings results, with careful handling, in an open construction.
  • the invention envisages a method for the under-water application of material, preferably highly viscous material, such as bituminous mixtures, such as hot penetration mixtures, for example hot mastic, in which the material and the water only come into contact at the last moment.
  • material preferably highly viscous material, such as bituminous mixtures, such as hot penetration mixtures, for example hot mastic, in which the material and the water only come into contact at the last moment.
  • the invention therefore relates to a method for the under-water application of material, preferably bituminous mixtures, such as hot bituminous penetration mixtures, for the formation of coatings on slopes, dams, rubble beds, pipelines, etc. in which the material is applied with a dosing apparatus, characterized in that for dosing use is made of a combination of a rotating roller and a controllable slit, the quantity of material to be applied per unit of time being a function of the slit surface and/or the rotational speed cf the roller.
  • a dosing apparatus characterized in that for dosing use is made of a combination of a rotating roller and a controllable slit, the quantity of material to be applied per unit of time being a function of the slit surface and/or the rotational speed cf the roller.
  • use is made of a smooth roller.
  • the controllable slit may, for example, be obtained by combining the rotating roller with an adjustable slide or a counter-rotating roller.
  • the roller(s) may be driven by electric motors.
  • the material may comprise mortars, sand asphalt, loose-grained material, but is preferably a bituminous mixture, such as a hot bituminous penetration mixture.
  • the invention also relates to a dosing apparatus, preferably for application of the above-mentioned method, the apparatus being provided with a rotating roller combined with a controllable slit, which is preferably obtained by combining said rotating roller with an adjustable slide or with a counter-rotating roller.
  • a dosing apparatus preferably for application of the above-mentioned method
  • the apparatus being provided with a rotating roller combined with a controllable slit, which is preferably obtained by combining said rotating roller with an adjustable slide or with a counter-rotating roller.
  • This embodiment in particular may be suitably used as. a pump.
  • the invention relates to a closable hopper, the bottom of which is provided with a dosing apparatus. By injecting air, water is prevented from entering the hopper from underneath during application of the material.
  • the rotating roller ensures a uniform material flow across the entire slit.
  • rotation of the roller is an essential feature.
  • the quantity of material applied per unit of time may be controlled by adjusting the slit surface and/or the rotational speed of the roller.
  • the hopper plus dosing apparatus combination may be installed on an undercarriage which moves along e.g. the slope in a guide rail.
  • Fig. 1 represents a cross-section of an embodiment of a hopper filled with mastic 1.
  • the dosing apparatus comprises a driven roller 2 and an adjustable slide 3.
  • 4 designates a nraper, 5 air to displace the water and 6 a spreading device such as a blade with a number of teeth or U-shaped grooves through which the mastic is distributed over the entire length of the slit.
  • Line 7 connects the space below the dosing apparatus to the space above the mastic, which space can be closed by means of the loading lid 8.
  • Fig. 2 represents a cross-section of an embodiment of dosing apparatus comprising two counter-driven rollers.
  • 1 is mastic
  • 2 and 3 are two adjustably spaced rollers and 4 and 5 are scrapers.
  • This embodiment is also particularly suitable for pumping mastic.
  • the quantity of mastic pumped per unit of time and the pressure can be regulated.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Revetment (AREA)
EP81200519A 1980-05-23 1981-05-14 Verfahren und Vorrichtung für die Anwendung unter Wasser von Baustoffen, insbesondere bituminöser Mischungen Withdrawn EP0040876A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8002993 1980-05-23
NL8002993 1980-05-23

Publications (2)

Publication Number Publication Date
EP0040876A2 true EP0040876A2 (de) 1981-12-02
EP0040876A3 EP0040876A3 (de) 1982-05-12

Family

ID=19835356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81200519A Withdrawn EP0040876A3 (de) 1980-05-23 1981-05-14 Verfahren und Vorrichtung für die Anwendung unter Wasser von Baustoffen, insbesondere bituminöser Mischungen

Country Status (1)

Country Link
EP (1) EP0040876A3 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945065A (en) * 1931-03-27 1934-01-30 Shell Dev Transportable apparatus for applying bitminous coverings, particularly to canal walls and the like inclined surfaces
DE1255048B (de) * 1965-01-18 1967-11-23 Schiffahrt Forsch Anst Verfahren zur Herstellung von Dichtungsschichten unter Fluessigkeiten und Vorrichtung zur Durchfuehrung des Verfahrens
IT974439B (it) * 1972-01-11 1974-06-20 Svenningson K Perfezionamento nelle macchine per stendere asfalto
NL7809351A (nl) * 1978-09-14 1980-03-18 Bitumarin Nv Open bitumineuze mengsels voor toepassing bij water- bouwkundige werken.

Also Published As

Publication number Publication date
EP0040876A3 (de) 1982-05-12

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Inventor name: VAN GRUNSVEN, MARINUS GERARDUS M.