EP0000788A1 - Plaque de protection pour fossé de drainage - Google Patents

Plaque de protection pour fossé de drainage Download PDF

Info

Publication number
EP0000788A1
EP0000788A1 EP78100645A EP78100645A EP0000788A1 EP 0000788 A1 EP0000788 A1 EP 0000788A1 EP 78100645 A EP78100645 A EP 78100645A EP 78100645 A EP78100645 A EP 78100645A EP 0000788 A1 EP0000788 A1 EP 0000788A1
Authority
EP
European Patent Office
Prior art keywords
unit
headwall unit
headwall
wall
ditch
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Withdrawn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
EP78100645A
Other languages
German (de)
English (en)
Inventor
Dennis Jones
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.)
HH Robertson Co
Original Assignee
HH Robertson Co
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 HH Robertson Co filed Critical HH Robertson Co
Publication of EP0000788A1 publication Critical patent/EP0000788A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
    • E01F5/005—Culverts ; Head-structures for culverts, or for drainage-conduit outlets in slopes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
    • E02B11/005—Drainage conduits

Definitions

  • This invention relates to headwall units for use in drainage ditches, and more particularly to a headwall unit of a one-piece lightweight construction.
  • One known headwall unit is constructed from two flat concrete slabs.
  • One of the slabs is disposed horizontally and includes a forward portion presented at or near the bottom of the ditch and a rear portion which is embedded in the ditch wall.
  • the forward portion of the first slab presents a transverse slot into which the bottom edge of the second slab is captively retained.
  • the second slab extends upwardly from the first slab and is substantially flush with the ditch wall.
  • a vertically presented elongated slot is provided through which outfall pipes extend.
  • Such headwall units are not been entirely satisfactory in that they are cumbersome and difficult to install relative to the outfall pipe or pipes.
  • the manner in which the two slabs are installed exposes the slnbs to loosening by water erosion of the will and bottom of the ditch. Hence erosion, the undesirable action which the slabs are intended to prevent, ultimately undermines the installation and requires frequent removal and reinstalla- tion of the slabs.
  • the principal object of this invention is to provide a one-piece lightweight headwall unit which avoids the above and other disadvantages.
  • a further object of this invention is to provide a headwall unit which protects outfall pipes which project therethrough.
  • a drainage ditch headwall unit comprising a recessed portion defined by an inclined or curved back wall, opposed side walls and a bottom wall.
  • the walls have substantially coplanar outer edges which define a generally rectangular mouth.
  • An outwardly extending rim surrounds the mouth and is formed integrally with the coplanar edges.
  • the bottom wall preferably is substantially flat and in use is horizontal.
  • the unit preferably is molded from glass fiber reinforced cement.
  • the back wall is provided with a substantially U-shaped handle or bracket which extends rearwardly therefrom.
  • the handle or bracket facilitates handling of the unit and also serves as a convenient attachment site for anchoring devices.
  • FIGURES 1 and 2 illustrate a headwall unit 10 molded from glass fiber reinforced cement.
  • the unit 10 comprises central recessed portion R which is defined by an inclined or curved back wall 12, a flat bottom wall 13 and flat side walls 14.
  • the walls 12, 13, 14 have substantially coplanar outer edges which define a generally rectangular mouth M.
  • An outwardly extending rim 11 surrounds the mouth M and is formed integrally with the outer edges of the walls 12, 13, 14.
  • the unit 10 is intended to be installed in a drainage ditch X with the bottom wall 13 disposed substantially horizontally and with the rim 11 substantially flush with the ditch wall.
  • An extension 17 (FIGURE 3) may be provided having upstanding flanges 17a provided along its opposite longitudinal edges.
  • the extension 17, as illustrated in FIGURE 4, may be secured to a lower rim portion 11a, for example by bolts 18, and extends downwardly therefrom.
  • the extension 17 is useful in unusually deep ditches to prevent undermining the ditch wall.
  • the broken lines illustrate an alternative shape of the recessed portion R.
  • the back wall 12 has an arcuate shape in cross-section which merges smoothly into the side walls 14.
  • the arcuate shape facilitates entry of an outfall pipe Y' at angles other normal to the direction of flow of the ditch X.
  • Other shapes may of course be employed depending upon the mode of usage.
  • the cutting of holes in the back wall 12 to accommodate outfall pipes such as Y or Y' may be effected in any convenient manner.
  • the extension member 17 has a width of 675 millimeters; can be provided in any desired length, e.g., 300, 600, 900 millimeters; and has a thickness of 10 millimeters.
  • the flanges 17a have a height of 25 millimeters.
  • GRC glass fiber reinforced cement
  • the unit 10 and the extension member 17 preferably are fabricated from GRC.
  • the present invention provides a headwall unit which is of a lightweight construction, may be easily installed, and may be nested with other similar units for transport and storage. It will also be appreciated that the end of the outfall pipe Y or Y' is disposed entirely within the recessed portion R and is thereby protected against breakage.
  • the headwall unit 10 may also be employed in inflow situations such as where the drainage path crosses beneath a road or similar obstruction. In such a case, the drainage water flow from the ditch X, through the mouth M and into the pipe Y or Y'.
  • a grill or grating member may be provided across the mouth M, particularly in such inflow situation, to prevent obstruction of the mouth M and pipe by debris.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Mechanical Engineering (AREA)
  • Sewage (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Revetment (AREA)
EP78100645A 1977-08-11 1978-08-10 Plaque de protection pour fossé de drainage Withdrawn EP0000788A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3376777 1977-08-11
GB3376777 1977-08-11

Publications (1)

Publication Number Publication Date
EP0000788A1 true EP0000788A1 (fr) 1979-02-21

Family

ID=10357184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100645A Withdrawn EP0000788A1 (fr) 1977-08-11 1978-08-10 Plaque de protection pour fossé de drainage

Country Status (13)

Country Link
EP (1) EP0000788A1 (fr)
JP (1) JPS5441548A (fr)
AU (1) AU3851978A (fr)
BE (1) BE19T1 (fr)
BR (1) BR7805085A (fr)
DE (1) DE2857216A1 (fr)
DK (1) DK353578A (fr)
FR (1) FR2443536A1 (fr)
IT (1) IT1105757B (fr)
NL (1) NL7815028A (fr)
NO (1) NO782725L (fr)
SE (1) SE426080B (fr)
ZA (1) ZA784546B (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0175396A1 (fr) * 1984-08-28 1986-03-26 Meizon B.V. Construction d'écoulement comprenant des propriétés de protection pour des tuyaux de drainage
WO2007067768A1 (fr) 2005-12-09 2007-06-14 Micron Technology, Inc. Programmation de cellules a niveau unique dans un dispositif memoire non volatile a cellules a plusieurs niveaux
EP2175071A1 (fr) * 2008-10-07 2010-04-14 Haner Infra Innovatie B.V. Dispositif de drainage et agencement avec un tel dispositif
NL2003822C2 (nl) * 2009-11-18 2011-05-19 Andreas Martinus Emonds Drainage inrichting.
BE1019970A3 (nl) * 2011-05-05 2013-03-05 Emonds Andreas Martinus Drainage inrichting.
CN113830901A (zh) * 2021-11-10 2021-12-24 沈阳农业大学 一种治理农业面污染源用生态沟渠的修建方法
NL2028508B1 (nl) * 2021-06-22 2022-12-29 Sijbren Bergsma Brugt Inrichting voor het inbedden van een drainage-uitloop in een walkant

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1593488A (en) * 1925-11-19 1926-07-20 Dimick Daniel Baker Cast-iron head wall
US1620089A (en) * 1924-12-23 1927-03-08 Albert F Fischer Head-wall structure for culverts
DD48362A1 (de) * 1965-03-02 1966-06-05 Horst Henneberg Stauschleuse, vorzugsweise zur Wasserrückhaltung und Staubewässerung in Binnenentwässerungssystemen
DE1940946U (de) * 1966-03-26 1966-06-23 Dyckerboff & Widmann Kommandit Aus beton bestehendes kopfstueck fuer einen rohrdurchlass.
GB1200732A (en) * 1966-07-11 1970-07-29 Nat Res Dev Improvements in or relating to glass fibres and compositions containing glass fibres
DE2203160A1 (de) * 1972-01-24 1973-08-02 Claus Pfeifenbring Bauunternch Stirnwand fuer einen durchlass eines wasserlaufes
US3902912A (en) * 1973-02-12 1975-09-02 Owens Corning Fiberglass Corp Glass fiber reinforced cement
FR2264922A1 (fr) * 1974-03-21 1975-10-17 Bleek Walter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1620089A (en) * 1924-12-23 1927-03-08 Albert F Fischer Head-wall structure for culverts
US1593488A (en) * 1925-11-19 1926-07-20 Dimick Daniel Baker Cast-iron head wall
DD48362A1 (de) * 1965-03-02 1966-06-05 Horst Henneberg Stauschleuse, vorzugsweise zur Wasserrückhaltung und Staubewässerung in Binnenentwässerungssystemen
DE1940946U (de) * 1966-03-26 1966-06-23 Dyckerboff & Widmann Kommandit Aus beton bestehendes kopfstueck fuer einen rohrdurchlass.
GB1200732A (en) * 1966-07-11 1970-07-29 Nat Res Dev Improvements in or relating to glass fibres and compositions containing glass fibres
DE2203160A1 (de) * 1972-01-24 1973-08-02 Claus Pfeifenbring Bauunternch Stirnwand fuer einen durchlass eines wasserlaufes
US3902912A (en) * 1973-02-12 1975-09-02 Owens Corning Fiberglass Corp Glass fiber reinforced cement
FR2264922A1 (fr) * 1974-03-21 1975-10-17 Bleek Walter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0175396A1 (fr) * 1984-08-28 1986-03-26 Meizon B.V. Construction d'écoulement comprenant des propriétés de protection pour des tuyaux de drainage
WO2007067768A1 (fr) 2005-12-09 2007-06-14 Micron Technology, Inc. Programmation de cellules a niveau unique dans un dispositif memoire non volatile a cellules a plusieurs niveaux
EP2175071A1 (fr) * 2008-10-07 2010-04-14 Haner Infra Innovatie B.V. Dispositif de drainage et agencement avec un tel dispositif
NL1036027C (nl) * 2008-10-07 2010-04-14 Aannemersbedrijf Knipscheer B V Afwatering.
NL2003822C2 (nl) * 2009-11-18 2011-05-19 Andreas Martinus Emonds Drainage inrichting.
BE1019970A3 (nl) * 2011-05-05 2013-03-05 Emonds Andreas Martinus Drainage inrichting.
NL2028508B1 (nl) * 2021-06-22 2022-12-29 Sijbren Bergsma Brugt Inrichting voor het inbedden van een drainage-uitloop in een walkant
CN113830901A (zh) * 2021-11-10 2021-12-24 沈阳农业大学 一种治理农业面污染源用生态沟渠的修建方法

Also Published As

Publication number Publication date
DE2857216A1 (de) 1980-04-03
BR7805085A (pt) 1979-05-08
ZA784546B (en) 1979-08-29
SE7907384L (sv) 1979-09-05
NO782725L (no) 1979-02-13
IT7850657A0 (it) 1978-08-08
JPS5441548A (en) 1979-04-02
FR2443536A1 (fr) 1980-07-04
BE19T1 (fr) 1979-12-07
AU3851978A (en) 1980-02-07
DK353578A (da) 1979-02-12
NL7815028A (nl) 1979-10-31
IT1105757B (it) 1985-11-04
SE426080B (sv) 1982-12-06

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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STAA Information on the status of an ep patent application or granted ep patent

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Inventor name: JONES, DENNIS