CA1231063A - Protection des ponceaux de drainage contre les castors - Google Patents

Protection des ponceaux de drainage contre les castors

Info

Publication number
CA1231063A
CA1231063A CA000454730A CA454730A CA1231063A CA 1231063 A CA1231063 A CA 1231063A CA 000454730 A CA000454730 A CA 000454730A CA 454730 A CA454730 A CA 454730A CA 1231063 A CA1231063 A CA 1231063A
Authority
CA
Canada
Prior art keywords
grid
culvert
opening
roadway
guard
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.)
Expired
Application number
CA000454730A
Other languages
English (en)
Inventor
Eugene G. Crick
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.)
CRICK EUGENE G
Original Assignee
CRICK EUGENE G
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 CRICK EUGENE G filed Critical CRICK EUGENE G
Priority to CA000454730A priority Critical patent/CA1231063A/fr
Application granted granted Critical
Publication of CA1231063A publication Critical patent/CA1231063A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/06—Devices for restraining rats or other animals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Road Paving Structures (AREA)
CA000454730A 1984-05-17 1984-05-17 Protection des ponceaux de drainage contre les castors Expired CA1231063A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000454730A CA1231063A (fr) 1984-05-17 1984-05-17 Protection des ponceaux de drainage contre les castors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000454730A CA1231063A (fr) 1984-05-17 1984-05-17 Protection des ponceaux de drainage contre les castors

Publications (1)

Publication Number Publication Date
CA1231063A true CA1231063A (fr) 1988-01-05

Family

ID=4127901

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000454730A Expired CA1231063A (fr) 1984-05-17 1984-05-17 Protection des ponceaux de drainage contre les castors

Country Status (1)

Country Link
CA (1) CA1231063A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110939065A (zh) * 2019-12-05 2020-03-31 中铁二十二局哈尔滨铁路建设集团有限责任公司 一种利用临时钢支座辅助框构桥顶进的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110939065A (zh) * 2019-12-05 2020-03-31 中铁二十二局哈尔滨铁路建设集团有限责任公司 一种利用临时钢支座辅助框构桥顶进的方法
CN110939065B (zh) * 2019-12-05 2021-12-17 中铁二十二局哈尔滨铁路建设集团有限责任公司 一种利用临时钢支座辅助框构桥顶进的方法

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