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US3720067A
Expired / Lapsed
US
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Method for building immersed structures and a device for carrying out said method
Assignee: Spie Batignolles SA
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Filing: 1971-04-15
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Granted: 1973-03-13
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Expires: 1991-04-15
Abstract
Abstract A method and device for the construction of dams or dikes either in rivers or in the sea. A wall of sheet piles is set in position by embedding in the bottom, a row of projecting elements is placed alongside said wall in substantially parallel relation thereto, the space formed between said projecting elements is packed with filling material, a prefabricated raft which is supported on the sheet-pile wall and on the row of elements is set in position underwater on the bottom which has thus been prepared, grout is injected into at least part of the foundation mass, whereupon the raft is anchored relative to the mass.
Inventors
- 👤 J Aubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:07
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
201 words
In a method for the construction of an immersed structure on a bottom and entailing underwater positioning of a prefabricated structure on a prepared foundation mass without preliminary unwatering of said bottom between a first line of said bottom and a second line of said bottom which is substantially parallel to said first line, the improvement wherein a first sheet-pile wall is driven on said first line, a row of projecting elements is laid on said second line, said first sheet-pile wall and said row of projecting elements being such as to delimit a space which is packed with filling material, said first sheet-pile wall, said row of projecting elements and said space which is packed with said filling material being such as to form part of said foundation mass which is prepared without preliminary unwatering, a prefabricated foundation raft forming part of said prefabricated structure is immersed and lowered onto said foundation mass, said prefabricated raft being supported on the one hand on said first sheet-pile wall and on the other hand on said row of projecting elements, grout is injected into at least part of said foundation mass and said prefabricated raft is anchored relative to said foundation mass.
Claim 2
Dependent Claim
201 words
In a method for the construction of an immersed structure on a bottom and entailing underwater positioning of a prefabricated structure on a prepared foundation mass without preliminary unwatering of said bottom between a first line of said bottom and a second line of said bottom which is substantially parallel to said first line, the improvement wherein a first sheet-pile wall is driven on said first line, a row of projecting elements is laid on said second line, said first sheet-pile wall and said row of projecting elements being such as to delimit a space which is packed with filling material, said first sheet-pile wall, said row of projecting elements and said space which is packed with said filling material being such as to form part of said foundation mass which is prepared without preliminary unwatering, a prefabricated foundation raft forming part of said prefabricated structure is immersed and lowered onto said foundation mass, said prefabricated raft being supported on the one hand on said first sheet-pile wall and on the other hand on said row of projecting elements, grout is injected into at least part of said foundation mass and said prefabricated raft is anchored relative to said foundation mass.
Claim 3
Dependent Claim
201 words
In a method for the construction of an immersed structure on a bottom and entailing underwater positioning of a prefabricated structure on a prepared foundation mass without preliminary unwatering of said bottom between a first line of said bottom and a second line of said bottom which is substantially parallel to said first line, the improvement wherein a first sheet-pile wall is driven on said first line, a row of projecting elements is laid on said second line, said first sheet-pile wall and said row of projecting elements being such as to delimit a space which is packed with filling material, said first sheet-pile wall, said row of projecting elements and said space which is packed with said filling material being such as to form part of said foundation mass which is prepared without preliminary unwatering, a prefabricated foundation raft forming part of said prefabricated structure is immersed and lowered onto said foundation mass, said prefabricated raft being supported on the one hand on said first sheet-pile wall and on the other hand on said row of projecting elements, grout is injected into at least part of said foundation mass and said prefabricated raft is anchored relative to said foundation mass.
Claim 4
Dependent Claim
201 words
In a method for the construction of an immersed structure on a bottom and entailing underwater positioning of a prefabricated structure on a prepared foundation mass without preliminary unwatering of said bottom between a first line of said bottom and a second line of said bottom which is substantially parallel to said first line, the improvement wherein a first sheet-pile wall is driven on said first line, a row of projecting elements is laid on said second line, said first sheet-pile wall and said row of projecting elements being such as to delimit a space which is packed with filling material, said first sheet-pile wall, said row of projecting elements and said space which is packed with said filling material being such as to form part of said foundation mass which is prepared without preliminary unwatering, a prefabricated foundation raft forming part of said prefabricated structure is immersed and lowered onto said foundation mass, said prefabricated raft being supported on the one hand on said first sheet-pile wall and on the other hand on said row of projecting elements, grout is injected into at least part of said foundation mass and said prefabricated raft is anchored relative to said foundation mass.
Claim 5
Dependent Claim
19 words
A method according to claim 1, wherein said grout is injected into said foundation mass through said raft itself.
Claim 6
Dependent Claim
45 words
A method according to claim 1, wherein said laying of said row of projecting elements consists in placing a first rockfill stringer on said second line and a second rockfill stringer is placed on said bottom against said first sheet-pile wall and along said wall.
Claim 7
Dependent Claim
23 words
A method according to claim 3, wherein said grout is injected beneath said prefabricated raft and into said first and second rockfill stringers.
Claim 8
Dependent Claim
44 words
A method according to claim 3, wherein said prefabricated raft is anchored by passing rods through said raft and the upper extremity of each rod is provided with an abutment member, and said anchoring rods are sealed in said first and second rockfill stringers.
Claim 9
Dependent Claim
127 words
A method according to claim 5, wherein said prefabricated raft is intended to be located at a first depth in the final position of construction and said underwater positioning of said prefabricated raft on said foundation mass comprises the steps of lowering said prefabricated raft to a second depth which is greater than said first depth, placing said abutment members on said anchoring rods in position such that if said prefabricated raft is applied against said abutment members which are placed in said positions said raft is located substantially at said first depth, causing the upward return of said prefabricated raft until said raft is applied against said abutment members so as to free a space beneath said prefabricated raft and filling said free space with grout.
Claim 10
Dependent Claim
43 words
A method according to claim 6 wherein, after upward return of said prefabricated raft until said raft is applied against said abutment members, said abutment members are displaced along said anchoring rods until said prefabricated raft is located exactly at said first depth.
Claim 11
Dependent Claim
126 words
A method according to claim 6, wherein said prefabricated raft has an upstream portion and a downstream portion and said uNderwater positioning of said raft at said second depth is carried out in such a manner as to ensure that said prefabricated raft is placed in an inclined position in which said downstream portion is lower than said upstream portion and said upward return of the raft is carried out by injection of compressed air until said raft is applied against said abutment members which are displaced along said anchoring rods after said upward return of the prefabricated raft until said raft is located exactly at said first depth, thereby providing a free space beneath said prefabricated raft and said free space is filled with grout.
Claim 12
Dependent Claim
55 words
A method according to claim 8, wherein, prior to said upward return of the raft, said upstream portion of the raft is anchored to said first sheet-pile wall along an anchoring zone and said upward return of the raft is carried out with pivotal motion of said prefabricated raft with respect to said anchoring zone.
Claim 13
Dependent Claim
43 words
A method according to claim 1, wherein said laying of said row of projecting elements consists in driving along said second line a second sheet-pile wall and said anchoring of said prefabricated raft is carried out on said first and second sheet-pile walls.
Claim 14
Dependent Claim
56 words
A method according to claim 10, wherein each of said first and second sheet-pile walls has an upper extremity and is provided prior to said underwater positioning of the raft with a horizontal waling of each of said first and second sheet-pile walls at said upper extremities and said prefabricated raft is anchored to said walings.
Claim 15
Dependent Claim
142 words
A method according to claim 11, wherein said prefabricated raft is intended to be placed in a predetermined position in the final position of construction, said underwater positioning of the raft being carried out with a slight relative horizontal displacement in the direction at right angles to said first and second sheet-pile walls with respect to said position so that said prefabricated raft has one extremity located on the side corresponding to said re lative displacement, said displacement being carried out on the side corresponding to one of the first and second sheet-pile walls, said prefabricated raft is brought into said position by moving said extremity which is located on the side corresponding to the relative displacement until said raft is applied against said waling of one of said first and second sheet-pile walls towards which the relative displacement is carried out.
Claim 16
Dependent Claim
145 words
A sinkable raft for use in the construction of a structure immersed on a foundation mass prepared without preliminary unwatering, said raft having a hooking nose for engaging a sheet-pile wall, said raft also having a plurality of through passages for injecting grout and for the insertion of anchoring rods, tapping means carried by said raft for taking pressure measurements within said foundation mass, said raft having an upstream extremity with means for securement to a first sheet-pile wall and a downstream extremity with means for securement to a second sheet-pile wall, said raft having over the whole of its surface a substantially horizontal plate having two edges which correspond each to one of said first and second sheet-pile walls, and means for fixing said edges on substantially horizontal wales on said sheet-pile walls comprising hooked bolts engageable over substantially vertical flanges of said wales.
Claim 17
Dependent Claim
145 words
A sinkable raft for use in the construction of a structure immersed on a foundation mass prepared without preliminary unwatering, said raft having a hooking nose for engaging a sheet-pile wall, said raft also having a plurality of through passages for injecting grout and for the insertion of anchoring rods, tapping means carried by said raft for taking pressure measurements within said foundation mass, said raft having an upstream extremity with means for securement to a first sheet-pile wall and a downstream extremity with means for securement to a second sheet-pile wall, said raft having over the whole of its surface a substantially horizontal plate having two edges which correspond each to one of said first and second sheet-pile walls, and means for fixing said edges on substantially horizontal wales on said sheet-pile walls comprising hooked bolts engageable over substantially vertical flanges of said wales.
Claim 18
Dependent Claim
32 words
A raft according to claim 13, one of said edges of said plate having passages for said bolts, said passages comprising slots at right angles to said first and second sheet-pile walls.
Claim 19
Dependent Claim
21 words
A raft according to claim 13, said raft comprising at least one flotation caisson which is fixed under said horizontal plate.
Claim 20
Dependent Claim
98 words
A raft according to claim 15, and stiffeners beneath said horizontal plate, said stiffeners being oriented in two substantially horizontal directions respectively perpendicular to said first and second sheet-pile walls and parallel to said walls, said stiffeners which are oriented at right angles to said sheet-pile walls stopping at a distance from said edges of said plate in stopping zones, said stopping zones delimiting with said edges of said plate a remaining portion of said plate which has a top face and said plate carrying on said top face of said remaining portion a number of additional stiffeners.
Claim 21
Dependent Claim
39 words
A raft according to claim 15, said flotation caisson comprising substantially vertical plates having a bottom level and delimiting a plurality of juxtaposed compartments in said two horizontal directions, and stiffeners at said bottom level of said vertical plates.
Claim 22
Dependent Claim
52 words
A raft according to claim 13 for the construction of a dam of the rocking-shutter type, said raft having passages for injecting grout, said passages extending on the one hand through a shutter sill which is fixed on said horizontal plate and on the other hand in said plate beneath said sill.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |