ATE452249T1 - UNDERWATER SUCTION DRAGING METHOD AND APPARATUS THEREOF - Google Patents

UNDERWATER SUCTION DRAGING METHOD AND APPARATUS THEREOF

Info

Publication number
ATE452249T1
ATE452249T1 AT04077955T AT04077955T ATE452249T1 AT E452249 T1 ATE452249 T1 AT E452249T1 AT 04077955 T AT04077955 T AT 04077955T AT 04077955 T AT04077955 T AT 04077955T AT E452249 T1 ATE452249 T1 AT E452249T1
Authority
AT
Austria
Prior art keywords
bottom material
draging
cutting
parcel
pores
Prior art date
Application number
AT04077955T
Other languages
German (de)
Inventor
E C J Bijvoet
Lucien Joseph Maria Claassen
C H M Kramers
G J P Versteeg
Kees Peter Peerlkamp
Original Assignee
Ihc Holland Ie Bv
Oord N V Van
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37770994&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE452249(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ihc Holland Ie Bv, Oord N V Van filed Critical Ihc Holland Ie Bv
Application granted granted Critical
Publication of ATE452249T1 publication Critical patent/ATE452249T1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
    • E02F3/9262—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head with jets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Treatment Of Sludge (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)

Abstract

In a dredging operation, a cutting member (8) exerts a cutting force on a parcel (34) of pack bottom material. Thereby, in increase of the mutual distance of the bottom material particles (33) is generated, leading to a pore pressure decrease in the water field pores between said particles. By directing a water jet (30) towards said parcel of bottom material, a water flow is introduced into said pores thereby at least partly eliminating the pressure decrease and enabling a cutting operation with a decreased cutting force.
AT04077955T 2004-10-26 2004-10-26 UNDERWATER SUCTION DRAGING METHOD AND APPARATUS THEREOF ATE452249T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200410095142.7A CN1766241B (en) 2004-10-26 2004-10-26 Underwater dredging application method and dredging apparatus
EP04077955A EP1653010B1 (en) 2004-10-26 2004-10-26 Method for performing an underwater dredging operation, and dredging installation

Publications (1)

Publication Number Publication Date
ATE452249T1 true ATE452249T1 (en) 2010-01-15

Family

ID=37770994

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04077955T ATE452249T1 (en) 2004-10-26 2004-10-26 UNDERWATER SUCTION DRAGING METHOD AND APPARATUS THEREOF

Country Status (6)

Country Link
EP (1) EP1653010B1 (en)
CN (1) CN1766241B (en)
AT (1) ATE452249T1 (en)
DE (1) DE602004024685D1 (en)
ES (1) ES2337897T3 (en)
PT (1) PT1653010E (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018378A3 (en) * 2008-12-12 2010-09-07 Dredging Int Towing head for a towing hopper and method for dredging using this towing head.
BE1020372A5 (en) 2012-01-16 2013-08-06 Baggerwerken Decloedt En Zoon SUCTION HEAD FOR A DREDGING SHIP AND METHOD FOR DRAGGING USING THE SUCTION HEAD.
BE1020438A4 (en) * 2012-05-21 2013-10-01 Baggerwerken Decloedt En Zoon SUCTION HEAD FOR A DREDGING SHIP AND METHOD FOR DRAGGING USING THIS SUCTION HEAD.
CN106193157B (en) * 2016-08-31 2018-08-28 中交烟台环保疏浚有限公司 Trailing suction hopper dredger drag head
NL2018070B1 (en) * 2016-12-23 2018-07-02 Carpdredging Ip B V Dredger
ES2684359B1 (en) 2017-03-31 2019-07-09 Nodosa S L SUBMERGED AUTONOMOUS DRAGING EQUIPMENT
CN109208675B (en) * 2018-09-11 2024-02-13 中交广州航道局有限公司 Dredger and drag head structure thereof
CN109629622B (en) * 2019-01-10 2023-12-08 中交上海航道局有限公司 Drag head of drag suction dredger

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL158875B (en) * 1973-06-04 1978-12-15 Stichting Speurwerk Baggertech METHOD AND EQUIPMENT FOR Dredging.
NL7709227A (en) * 1977-08-19 1979-02-21 Stichting Speurwerk Baggertech Floating suction dredger unit - delivers auxiliary water supply to different points on cutter blade
BE1011285A3 (en) * 1997-07-17 1999-07-06 Dredging Int TOWING HEAD FOR A TOWING PISTON AND METHOD FOR DREDGING USING THIS TOWING HEAD.
BE1011744A4 (en) * 1998-02-13 1999-12-07 Dredging Int Method for through ground and rock layers using or-dredging excavators and by this method operating systems.
NL1008503C2 (en) * 1998-03-05 1999-09-07 Dredging Int Device for moving soil material under water and method for this.
CN2474596Y (en) * 2001-05-08 2002-01-30 宋建农 Novel harrow teeth of harrow suction type dredge boat

Also Published As

Publication number Publication date
DE602004024685D1 (en) 2010-01-28
CN1766241B (en) 2011-09-14
CN1766241A (en) 2006-05-03
ES2337897T3 (en) 2010-04-30
EP1653010B1 (en) 2009-12-16
EP1653010A1 (en) 2006-05-03
PT1653010E (en) 2010-03-22

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Legal Events

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