GB2367321A - A seal for a metal sheet pile - Google Patents
A seal for a metal sheet pile Download PDFInfo
- Publication number
- GB2367321A GB2367321A GB0023972A GB0023972A GB2367321A GB 2367321 A GB2367321 A GB 2367321A GB 0023972 A GB0023972 A GB 0023972A GB 0023972 A GB0023972 A GB 0023972A GB 2367321 A GB2367321 A GB 2367321A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pile
- sealant
- cavity
- sheet pile
- interlock
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/14—Sealing joints between adjacent sheet piles
Abstract
A metal sheet pile has at least one interlock (12) with a cavity (14) that is filled with a sealant (15). The sealant is of flowable consistency and the open side of the cavity (14) is closed by a member which is progressively displaced by an interlock of a neighbouring sheet pile, on driving the neighbouring pile. An end plate is used to close the lower open end of the cavity (14). The sealant (15) may have hydrophilic properties and the closure member may be in the form of a solid length of hard sealant (16) or a spring clip (17, fig 5).
Description
METAL SHEET PILING
This invention relates to metal sheet piling. More especially, but not exclusively, the invention relates to steel sheet piling.
Steel sheet piles are used in general and marine engineering as permanent structures inter alia for retaining walls, basements, underground car parks, pumping stations, bridge abutments, containment barriers and marine structures. These are only examples of such structures.
Conventional sheet piles include those known as Larssen or LX sheet piles which are of generally"U"shape and includes a wall section comprising a pan defined by a central flange flanked by outwardly inclined side walls along the free edges of which are formed interlocks. These interlocks (also known as clutches) normally extend over the entire height of the pile and typically comprise a locking toe of generally triangular crosssection which stands proud of a lip which extends along each side edge of the pile, the lip lying generally normal to the adjoining pile surface. The space between the toe and the lip defines an elongate cavity for receiving the locking toe of an adjoining pile. The lip defines the bottom wall of this recess.
Other known sheet piles include Frodingham piles which are of generally"Z" profile and typically comprise a wall section including an inclined central web flanked by outwardly extending flanges along the free edges of which are formed interlocks.
Conventionally sheet piling structures are produced by sequentially driving a plurality of piles to produce the barrier required, the interlocks of neighbouring piles being connected one to the other during the driving process. In cases where water-tightness is required, methods of enclosing sealant n the interlocks may be adopted. For ease of understanding, this conventional driving process will be described with reference to
Figures 1 and 2.
Figure 1 shows a grounded sheet pile 1 before the driving of a neighbouring pile 2 (see
Figure 2). The piles 1,2 have interlocks 3,4 (only one for each pile being shown) along each of their side edges. As will be seen, the cavity 5 defined between the toe 6 and lip 7 of interlock 3 is closed by an angled metal strip 8 which extends over the entire height of the pile 1 and is welded to the pile at the junction between the interlock and the adjoining pile wall. The cavity is filled with a sealant 9. Only one interlock of each pile carries an angled strip 8.
For assembly of the pile 2, the interlock 4 is positioned immediately above the interlock 3 and the strip 8 flexed to allow entry of the interlock 4 into the space defined between the interlock 3 and the strip 8. The pile 2 is then driven downwardly to the position shown in Figure 2, the so formed joint being sealed by the presence of the sealant 9 and the angled strip 8.
Our co-pending Application 9927867.3 discloses an improved sheet pile which includes a wall section comprising a central flange flanked by outwardly inclined side walls along the free edges of which are longitudinally extending interlocks, and at least one additional longitudinal interlock secured to the wall section of the sheet pile and extending generally parallel to the interlocks secured to the edges of the side walls of the pile.
All of the sheet piles discussed above include an angled metal strip which extends over the entire height of the pile and is welded to the pile at the junction between the interlock and the adjoining piling wall. The presence of this angled metal strip increases production times and piling costs.
The present invention sets out to provide a metal sheet pile which enjoys the benefits of the piles discussed above but which does away with the need for an angled metal strip in certain circumstances.
According to the present invention in one aspect, there is provided a metal sheet pile which includes a wall section comprising a central flange flanked by outwardly inclined side walls along the free edges of which are longitudinally extending interlocks each including a cavity at least one of which is filled with a sealant, the sealant present in one or each cavity having a flowable consistency with the open side of the cavity being closed by a member which is progressively displaced by the interlock of a neighbouring sheet pile on driving that neighbouring pile, and an end plate positioned to close the lower open end of the cavity.
The sealant may have hydrophilic properties.
The closure member may comprise a solid length of relatively hard sealant; alternatively, the closure member may comprise a spring clip.
The invention will now be described by way of example only with reference to the accompany diagrammatic drawings in which:
Figure 3 illustrates an end view of a first embodiment of sheet pile in accordance with the invention;
Figure 4 is an end view to an enlarged scale of one interlock of the sheet pile illustrated in Figure 3; and
Figure 5 is an end view of an interlock of a second embodiment of a sheet pile in accordance with the invention.
As will be seen from Figure 3, the sheet pile comprises a wall section including a pan defined by a central flange 10 flanked by outwardly inclined side walls 11 along the free edges of which are longitudinally extending interlocks 12. Each interlock is shaped to define a cavity 14. The sheet pile is preferably produced from steel. However, other suitable metallic and/or non-metallic materials may be employed.
As will be seen from Figure 4, the cavity 14 is filled before grounding with a relatively soft sealant 15 having a flowable consistency, the side of the cavity being closed by a wall or layer of relatively hard sealant 16. The sealant 15 may have hydrophilic properties. The end of the cavity which will be positioned at the base of the pile when grounded is closed by a metal end plate welded or otherwise secured to the underside of the interlock, and the outer open end of the cavity is closed by a layer of hardened sealant or a removable end plate.
In the embodiment of Figure 5, the hardened sealant 16 is replaced by a spring clip 17. Other similar closure members may be employed.
When grounded, the presence of the hard sealant 16 or alternative closure member prevents soil particles entering the cavity and displacing the flowable sealant and the metal end plate prevents displacement of the relatively soft sealant during driving of the pile.
The hard sealant 16 protects the flowable sealant 15, if hydrophilic, from absorbing moisture before the pile is driven into the ground.
On driving of a neighbouring pile, the hardened sealant 16 or spring clip 17 is progressively removed through contact with the lower surface of the respective interlock of the neighbouring pile. This progressive removal ensures that a significant amount of sealant is retained within the cavity during driving. Thus, the end plate and collapsible hardened sealant or spring clip ensures that sufficient soft sealant remains within the cavity when the adjoining sheet pile is driven to complete the required interlock and seal connection.
It will be appreciated that the foregoing is merely exemplary of metal sheet piling in accordance with the invention and that modifications can readily be made thereto without departing from the true scope of the invention.
Claims (5)
- CLAIMS 1. A metal sheet pile which includes a wall section comprising a central flange flanked by outwardly inclined side walls along the free edges of which are longitudinally extending interlocks each including a cavity at least one of which is filled with a sealant, the sealant present in one or each cavity having a flowable consistency with the open side of the cavity being closed by a member which is progressively displaced by the interlock of a neighbouring sheet pile on driving that neighbouring pile, and an end plate positioned to close the lower open end of the cavity.
- 2. A pile as claimed in claim 1 wherein the sealant has hydrophilic properties.
- 3. A pile as claimed in claim 1 or claim 2 wherein the closure member comprises a solid length of relatively hard sealant.
- 4. A pile as claimed in claim 1 or claim 2 wherein the closure member comprises a spring clip.
- 5. A metal sheet pile substantially as herein described with reference to Figures 3 and 4 of the accompanying drawings.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0023972A GB2367321B (en) | 2000-09-30 | 2000-09-30 | Metal sheet piling |
AT01988802T ATE309420T1 (en) | 2000-09-30 | 2001-09-28 | METAL PILLOW WALL |
AU2002229159A AU2002229159A1 (en) | 2000-09-30 | 2001-09-28 | Metal sheet piling |
DE60114866T DE60114866D1 (en) | 2000-09-30 | 2001-09-28 | METAL SHEET PILING |
EP01988802A EP1322820B1 (en) | 2000-09-30 | 2001-09-28 | Metal sheet piling |
PCT/GB2001/004371 WO2002035011A1 (en) | 2000-09-30 | 2001-09-28 | Metal sheet piling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0023972A GB2367321B (en) | 2000-09-30 | 2000-09-30 | Metal sheet piling |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0023972D0 GB0023972D0 (en) | 2000-11-15 |
GB2367321A true GB2367321A (en) | 2002-04-03 |
GB2367321B GB2367321B (en) | 2004-03-17 |
Family
ID=9900429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0023972A Expired - Fee Related GB2367321B (en) | 2000-09-30 | 2000-09-30 | Metal sheet piling |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1322820B1 (en) |
AT (1) | ATE309420T1 (en) |
AU (1) | AU2002229159A1 (en) |
DE (1) | DE60114866D1 (en) |
GB (1) | GB2367321B (en) |
WO (1) | WO2002035011A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2930274A1 (en) * | 2014-04-11 | 2015-10-14 | DuBA Deponie- und Bauwerksabdichtung GmbH | Sheet pile with a sealing agent for forming a moisture-sealed sheet pile wall |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1252554A (en) * | 1969-02-19 | 1971-11-10 | ||
EP0628662A2 (en) * | 1993-06-09 | 1994-12-14 | Krupp Hoesch Stahl Ag | Sheet pile wall |
US5547318A (en) * | 1993-08-27 | 1996-08-20 | Profilarbed S.A. | Process for effecting sealed sheet pile construction and device for application of the sealant resulting in an impermeable sealed sheet pile construction |
GB2322658A (en) * | 1997-02-27 | 1998-09-02 | Dew Group Limited | Sheet pile seal |
WO1999034063A1 (en) * | 1997-12-23 | 1999-07-08 | Dortmunder Gussasphalt Gmbh & Co. | Sealing strip for closing sheet piles |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8602762A (en) * | 1986-10-31 | 1988-05-16 | Hattum & Blankevoort Bv | Method for mfg. dam wall from planks or plates - has profiled ends of steel plates interfitting locked and sealed by elastic strip and hard setting sealant |
NL9401547A (en) * | 1994-09-23 | 1996-05-01 | Johannes Gerardus Van De Coter | Watertight sheet-pile jaw system |
-
2000
- 2000-09-30 GB GB0023972A patent/GB2367321B/en not_active Expired - Fee Related
-
2001
- 2001-09-28 WO PCT/GB2001/004371 patent/WO2002035011A1/en active IP Right Grant
- 2001-09-28 AU AU2002229159A patent/AU2002229159A1/en not_active Abandoned
- 2001-09-28 EP EP01988802A patent/EP1322820B1/en not_active Expired - Lifetime
- 2001-09-28 DE DE60114866T patent/DE60114866D1/en not_active Expired - Lifetime
- 2001-09-28 AT AT01988802T patent/ATE309420T1/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1252554A (en) * | 1969-02-19 | 1971-11-10 | ||
EP0628662A2 (en) * | 1993-06-09 | 1994-12-14 | Krupp Hoesch Stahl Ag | Sheet pile wall |
US5547318A (en) * | 1993-08-27 | 1996-08-20 | Profilarbed S.A. | Process for effecting sealed sheet pile construction and device for application of the sealant resulting in an impermeable sealed sheet pile construction |
GB2322658A (en) * | 1997-02-27 | 1998-09-02 | Dew Group Limited | Sheet pile seal |
WO1999034063A1 (en) * | 1997-12-23 | 1999-07-08 | Dortmunder Gussasphalt Gmbh & Co. | Sealing strip for closing sheet piles |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2930274A1 (en) * | 2014-04-11 | 2015-10-14 | DuBA Deponie- und Bauwerksabdichtung GmbH | Sheet pile with a sealing agent for forming a moisture-sealed sheet pile wall |
Also Published As
Publication number | Publication date |
---|---|
GB2367321B (en) | 2004-03-17 |
EP1322820A1 (en) | 2003-07-02 |
EP1322820B1 (en) | 2005-11-09 |
WO2002035011A1 (en) | 2002-05-02 |
DE60114866D1 (en) | 2005-12-15 |
GB0023972D0 (en) | 2000-11-15 |
ATE309420T1 (en) | 2005-11-15 |
AU2002229159A1 (en) | 2002-05-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20060930 |