IT1166487B - Protection for underwater pipeline - Google Patents

Protection for underwater pipeline

Info

Publication number
IT1166487B
IT1166487B IT68424/80A IT6842480A IT1166487B IT 1166487 B IT1166487 B IT 1166487B IT 68424/80 A IT68424/80 A IT 68424/80A IT 6842480 A IT6842480 A IT 6842480A IT 1166487 B IT1166487 B IT 1166487B
Authority
IT
Italy
Prior art keywords
gabion
pref
protection
underwater pipeline
netting
Prior art date
Application number
IT68424/80A
Other languages
Italian (it)
Other versions
IT8068424A0 (en
Inventor
Andrea Papetti
Cesare Pedrini
Original Assignee
Maccaferrri Gia Raffaele Macca
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 Maccaferrri Gia Raffaele Macca filed Critical Maccaferrri Gia Raffaele Macca
Priority to IT68424/80A priority Critical patent/IT1166487B/en
Publication of IT8068424A0 publication Critical patent/IT8068424A0/en
Priority to CA000385159A priority patent/CA1161262A/en
Priority to US06/300,529 priority patent/US4477206A/en
Priority to GB8128001A priority patent/GB2084286B/en
Application granted granted Critical
Publication of IT1166487B publication Critical patent/IT1166487B/en

Links

Landscapes

  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Revetment (AREA)

Abstract

The flexible mattress-like element is used as ballast or a load for immobilising and protecting underwater pipelines (6). It includes an outer flexible envelope (7), pref. made from a non-woven fabric, covering at least one gabion which is made from double-twist, hexagonal-mesh wire netting in the form of a parallelepiped. This is filled with a mixture of stones or pebbles (8) with a sand-filler, and bitumen-based mastic (9). Each gabion is made from panels of netting in which the portions of wires which are twisted together are pref. arranged transverse the length of the gabion, that is, parallel to the axis of the pipeline to be immobilised and protected.
IT68424/80A 1980-09-16 1980-09-16 Protection for underwater pipeline IT1166487B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT68424/80A IT1166487B (en) 1980-09-16 1980-09-16 Protection for underwater pipeline
CA000385159A CA1161262A (en) 1980-09-16 1981-09-03 Flexible mattress-like element usable at ballast for immobilising and protecting underwater pipelines
US06/300,529 US4477206A (en) 1980-09-16 1981-09-09 Flexible mattress-like element usable at ballast for immobilizing and protecting underwater pipelines
GB8128001A GB2084286B (en) 1980-09-16 1981-09-16 Immobilising and protecting underwater pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68424/80A IT1166487B (en) 1980-09-16 1980-09-16 Protection for underwater pipeline

Publications (2)

Publication Number Publication Date
IT8068424A0 IT8068424A0 (en) 1980-09-16
IT1166487B true IT1166487B (en) 1987-05-06

Family

ID=11309366

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68424/80A IT1166487B (en) 1980-09-16 1980-09-16 Protection for underwater pipeline

Country Status (1)

Country Link
IT (1) IT1166487B (en)

Also Published As

Publication number Publication date
IT8068424A0 (en) 1980-09-16

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950929