NL164921B - AT LEAST ABOUT VERTICAL SAND DRAINAGE. - Google Patents

AT LEAST ABOUT VERTICAL SAND DRAINAGE.

Info

Publication number
NL164921B
NL164921B NL7704461.A NL7704461A NL164921B NL 164921 B NL164921 B NL 164921B NL 7704461 A NL7704461 A NL 7704461A NL 164921 B NL164921 B NL 164921B
Authority
NL
Netherlands
Prior art keywords
vertical sand
sand drainage
drainage
vertical
sand
Prior art date
Application number
NL7704461.A
Other languages
Dutch (nl)
Other versions
NL164921C (en
NL7704461A (en
Original Assignee
Hollandsche Betongroep Nv
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 Hollandsche Betongroep Nv filed Critical Hollandsche Betongroep Nv
Priority to NL7704461.A priority Critical patent/NL164921C/en
Priority to SE7804178A priority patent/SE7804178L/en
Priority to DE19782817252 priority patent/DE2817252A1/en
Publication of NL7704461A publication Critical patent/NL7704461A/en
Publication of NL164921B publication Critical patent/NL164921B/en
Application granted granted Critical
Publication of NL164921C publication Critical patent/NL164921C/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B11/00—Drainage of soil, e.g. for agricultural purposes
NL7704461.A 1977-04-22 1977-04-22 AT LEAST ABOUT VERTICAL SAND DRAINAGE. NL164921C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL7704461.A NL164921C (en) 1977-04-22 1977-04-22 AT LEAST ABOUT VERTICAL SAND DRAINAGE.
SE7804178A SE7804178L (en) 1977-04-22 1978-04-13 SAND DRAINAGE AND WAY TO PLACE THE SAME
DE19782817252 DE2817252A1 (en) 1977-04-22 1978-04-20 Sand drainage device for dewatering ground strata - has corrugated perforated drainage tubes with lateral long thin wings (NL 24.10.78)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7704461.A NL164921C (en) 1977-04-22 1977-04-22 AT LEAST ABOUT VERTICAL SAND DRAINAGE.

Publications (3)

Publication Number Publication Date
NL7704461A NL7704461A (en) 1978-10-24
NL164921B true NL164921B (en) 1980-09-15
NL164921C NL164921C (en) 1981-02-16

Family

ID=19828423

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7704461.A NL164921C (en) 1977-04-22 1977-04-22 AT LEAST ABOUT VERTICAL SAND DRAINAGE.

Country Status (3)

Country Link
DE (1) DE2817252A1 (en)
NL (1) NL164921C (en)
SE (1) SE7804178L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411555A (en) * 1979-07-17 1983-10-25 Minvielle Monique L Draining, irrigating and dispersing mass
SE436908B (en) * 1984-03-09 1985-01-28 Oleg Wager VERTIKALDREN
AU5641894A (en) * 1993-05-17 1994-11-24 Allan Wesley Ah Shay An article and method for aerating and/or draining the soil
WO2008139430A2 (en) * 2007-05-16 2008-11-20 Geobiotics Llc Drainage system for aerated heap leaching comprising perforated flat tubes

Also Published As

Publication number Publication date
DE2817252A1 (en) 1978-11-02
SE7804178L (en) 1978-10-23
NL164921C (en) 1981-02-16
NL7704461A (en) 1978-10-24

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application