US20130061552A1 - Boardwalk system with tread-locating beams - Google Patents
Boardwalk system with tread-locating beams Download PDFInfo
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- US20130061552A1 US20130061552A1 US13/232,355 US201113232355A US2013061552A1 US 20130061552 A1 US20130061552 A1 US 20130061552A1 US 201113232355 A US201113232355 A US 201113232355A US 2013061552 A1 US2013061552 A1 US 2013061552A1
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- beams
- treads
- tread
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
Definitions
- the present invention is directed to a boardwalk system, and more particularly, to a boardwalk system with beams configured to receive a tread in the desired position.
- Modular decking systems often include a beam or set of beams which support a set of treads thereon.
- the treads typically extend generally horizontally and provide a generally flat surface upon which a user can walk, ride small vehicles, etc.
- the outer edges of the treads often extend outwardly beyond the beams in a cantilever fashion, making it difficult to locate the treads in the proper position.
- the present invention includes beams with a tread-locating notch, vertical lip or the like such that treads can be easily placed in the notch or adjacent to the lip.
- the invention is a boardwalk system including a first beam and a second beam spaced apart from the first beam.
- the first and second beams each include a notch formed therein.
- the system further includes a plurality of generally horizontally arranged treads, each tread being received in the notch of the first beam and the notch of the second beam. At least one of the first and second beams extends across a span.
- FIG. 1 is a front perspective view of a portion of a boardwalk system
- FIG. 2 is side cross section taken along line 2 - 2 of FIG. 1 , and with a handrail system;
- FIG. 3 is a side cross section of an alternate boardwalk system, incorporating a curb feature
- FIG. 4 is a front view of a connector which can be used to couple a tread to an underlying beam.
- the boardwalk system 10 includes a plurality of piles, footings, or bases 12 , each of which supports one or more horizontally-extending supports or abutments 14 thereon.
- Each pile 12 may rest upon (and/or extend below) a ground surface, and elevate the supports 14 to the desired position.
- each pile 12 is generally cylindrical, although the piles 12 can take any of a wide variety of shapes and configurations.
- the piles 12 can be omitted from the system 10 , and the supports 14 can be positioned directly on the ground surface. In this case the supports 14 can be sized to provide the desired clearance between the other components of the system 10 and the ground.
- the supports 14 defines a gap 16 therebetween, which is spanned by a pair of beams 18 such that the beams 18 are not supported by any underlying structure along the gap 16 .
- each beam 18 extends between a pair of spaced supports 14 positioned at opposite ends thereof such that each support 14 supports two beams 18 thereon.
- this arrangement can be varied such that each beam 18 is supported by, for example, only a single support 14 , in which case the beams 18 may be supported at their other ends by the earth or other structures.
- Each beam 18 supports a plurality of generally horizontally extending treads or planks 20 thereon.
- each tread 20 is positioned generally perpendicular to the underlying beams 18 (parallel to the supports 14 ), and is supported by two parallel, spaced-apart beams 18 thereunder, spanning a gap 22 positioned between the beams 18 .
- this arrangement can be varied such that each tread 20 is supported by, for example, only a single beam 18 , in which case the tread 20 may be supported at its other end by the earth or other structures.
- each tread 20 is shaped as a generally rectangular prism having a flat upper surface.
- each upper surface is generally flat and planar, and positioned relatively close to the upper surface of an associated tread 20 such that upper surfaces together define a generally smooth surface (with gaps between the treads 20 , in some cases) which can be walked upon, ridden upon (by small vehicles), etc.
- each tread 20 may be coupled to an adjacent tread 20 by, for example, a laterally-extending tongue (not shown) received in an associated groove (not shown) in an adjacent tread 20 .
- the piers 12 , supports 14 , beams 18 and treads 20 can be made from any of a wide variety of materials, including, but not limited to, concrete, steel, wood, wood composite materials or other composite materials, or be made entirely or primarily of concrete.
- Modular decking systems having some features similar to those shown and described herein are disclosed in U.S. Pat. No. 5,906,084 to Millington et al.; U.S. Patent Application Publication Nos. US2009/0301024 and US2010/0186338 to Rischmueller et al, and U.S. patent application Ser. No. 13/149,375, entitled CONNECTOR FOR BOARDWALK SYSTEM and filed on May 31, 2011. The entire contents of the above-identified patent and patent applications are incorporated by reference herein.
- each beam 18 may have a tread-locating notch 24 formed therein, with each notch 24 being defined by a generally vertically-extending lip 26 adjacent an outer end thereof.
- the lips 26 of the opposed beams 18 are spaced apart by a distance equal to or slightly greater than the length of a tread 20 (i.e. the distance may be no more than 1%, or 5%, greater than the length of the tread 20 ).
- each tread 20 can be dropped into place and closely received in the notches 24 such that the tread 20 is effectively locked in placed, and prevented from any significant movement in the longitudinal direction of the tread 20 .
- the system 10 also provides ease of installation, as no fasteners are required to longitudinally lock the treads 20 in place.
- each beam 18 may operate as a beam in the engineering sense in that each beam 18 spans the gap 16 between the supports 14 ( FIG. 1 ).
- Each beam 18 may have a length of, for example, at least about five feet in one case, and at least about ten feet in another case, and at least about twenty feet in yet another case.
- each beam 18 may need to be configured to resist/accommodate bending moments, and thus may be made of reinforced concrete.
- the reinforcing member in each beam 18 may be standard rebar or the like, and the rebar/reinforcing member may be pre-tensioned to accommodate the bending moments applied to the beams 18 .
- each beam 18 may be configured to have a significant portion underlying each tread 20 .
- each beam 18 may include a underlying position 30 ( FIG. 2 ) positioned below the associated notch 24 and configured to support a tread 20 thereon, and an end portion 32 not positioned below the notch 24 (i.e. positioned outside of the lip) 26 .
- the underlying portion 30 may have a length L 1 (in the direction of the length of a tread 20 ; see FIG. 2 ) that is greater than the length L 2 of the end portion 32 to provide sufficient support to the treads 20 carried thereon.
- the underlying portion 30 may have a length L 1 at least about 1.5 times, or at least about 2 times, the length L 2 of the end portion 32 to provide sufficient support.
- each beam 18 is, in one case, supported only at its ends, and is not continuously supported, the extra length of the underlying portion 30 may be required to provide sufficient support.
- each underlying portion 30 may have a thickness (extending in the vertical direction) that is more that twice the thickness of the associated treads 20 supported thereon. This increased thickness of the underlying portion 30 may help to lend stiffness to the beams 18 and enable the beams 18 to support loads and resist bending.
- the notch 24 /lip 26 of the beams 18 may have a vertical height about equal to that of the thickness/vertical height of the treads 20 . In this case, when the treads 20 are received in the associated notch 24 , the top surface of the treads 20 are about flush with the top surface of the beam 18 /end portion 32 . Alternately, the notch 24 /lip 26 may have a vertical height greater than the vertical height of the tread 20 , and the beam 18 /end portion 32 may extend above the tread 20 , as shown in FIG. 3 . This feature may be used to provide a curb, and a more finished appearance to the system 10 . It is also possible that the notch/lip 26 may have a vertical height less than the vertical height of the tread 20 to provide a recessed feature.
- each support 14 may also have a lip 34 /notch 36 which supports the beams 18 thereon.
- the lip 34 /notch 36 may be sized and configured such that the top surface of the beam 18 and/or the adjacent treads 20 are flush with the top surface of the support 14 .
- This may be particularly important in the case, as shown in FIG. 1 , wherein the supports 14 extend generally perpendicular to the beams 18 and parallel to the treads 20 , since in this case the supports 14 extend across the walking path of the boardwalk system 10 . In this case it may be important that the supports 14 do not protrude significantly upwardly so as to not form a tripping hazard.
- each support 14 protrude upwardly, or be recessed below, the top surface of the beams 18 and/or treads 20 to form a curb/speed bump, or a gutter or the like.
- Each support 14 may have an underlying portion and an end portion with the same features and relative dimensions as outlined above for the underlying portion 30 and end portion 32 of the beams 18 .
- all or selected ones of the treads 20 include one or more pre-formed recess 40 located on the underside thereof, and at opposite ends thereof.
- selected ones or all of the beams 18 may include a plurality of pre-formed recesses 42 formed therein. Each beam recess 42 may be aligned with an associated tread recess 40 to together cooperate to form an opening 44 which can receive a connector 46 therein.
- FIGS. 2 and 3 illustrates a connector 44 positioned in each of the openings 44 /aligned recesses 40 , 42 .
- each connector 46 may be generally “I” or “H”-shaped or dog-boned shaped, having a central stem 48 and a pair of opposed protrusions 50 located at or adjacent to the end of the central stem 48 .
- the central stem 48 is generally tubular/cylindrical and elongated, and terminates at the center of each protrusion 50 , which is also tubular/cylindrical.
- each connector 46 may be made of a generally elastic material such that each connector 46 can be deformed and return to its original shape after the deforming forces are removed.
- Each connector 46 can be made of urethane or a urethane-based material, rubber, synthetic rubber, or other materials. In some cases, then, the connectors 46 can thus be entirely made of a non-ferrous material which resists corrosion, particularly in salt environments.
- the connector 46 In order to use the connector 46 to couple a beam 18 and a tread 20 , the connector 46 is inserted into the opening 44 /aligned recesses 40 , 42 . In one case, in order for the connector 46 to be fully seated in the opening 44 , the connector 46 needs to be stretched along its length. In one embodiment, the connector 46 remains under tension when fully seated in the opening 44 to pull the tread 20 and beam 18 tight and secured together. Alternately, the connector 46 fully returns to its un-deformed shape when seated in the opening 44 but still secures the tread 20 and beam 18 and prevents them from being vertically separated. Further details relating to the connector 46 can be found in U.S. patent application Ser. No. 13/149,375, entitled Connector for Boardwalk System, filed on May 31, 2011, the entire contents of which are incorporated by reference herein.
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Abstract
A boardwalk system including a first beam and a second beam spaced apart from the first beam. The first and second beams each include a notch formed therein. The system further includes a plurality of generally horizontally arranged treads, each tread being received in the notch of the first beam and the notch of the second beam. At least one of the first and second beams extends across a span.
Description
- The present invention is directed to a boardwalk system, and more particularly, to a boardwalk system with beams configured to receive a tread in the desired position.
- Modular decking systems often include a beam or set of beams which support a set of treads thereon. The treads typically extend generally horizontally and provide a generally flat surface upon which a user can walk, ride small vehicles, etc. However, in many existing modular decking systems, the outer edges of the treads often extend outwardly beyond the beams in a cantilever fashion, making it difficult to locate the treads in the proper position.
- In one embodiment, the present invention includes beams with a tread-locating notch, vertical lip or the like such that treads can be easily placed in the notch or adjacent to the lip. More particularly, in one embodiment the invention is a boardwalk system including a first beam and a second beam spaced apart from the first beam. The first and second beams each include a notch formed therein. The system further includes a plurality of generally horizontally arranged treads, each tread being received in the notch of the first beam and the notch of the second beam. At least one of the first and second beams extends across a span.
-
FIG. 1 is a front perspective view of a portion of a boardwalk system; -
FIG. 2 is side cross section taken along line 2-2 ofFIG. 1 , and with a handrail system; -
FIG. 3 is a side cross section of an alternate boardwalk system, incorporating a curb feature; and -
FIG. 4 is a front view of a connector which can be used to couple a tread to an underlying beam. - As shown in
FIG. 1 , in one embodiment theboardwalk system 10 includes a plurality of piles, footings, orbases 12, each of which supports one or more horizontally-extending supports orabutments 14 thereon. Eachpile 12 may rest upon (and/or extend below) a ground surface, and elevate thesupports 14 to the desired position. In the illustrated embodiment, eachpile 12 is generally cylindrical, although thepiles 12 can take any of a wide variety of shapes and configurations. Alternately, if desired, thepiles 12 can be omitted from thesystem 10, and thesupports 14 can be positioned directly on the ground surface. In this case thesupports 14 can be sized to provide the desired clearance between the other components of thesystem 10 and the ground. - The
supports 14 defines agap 16 therebetween, which is spanned by a pair ofbeams 18 such that thebeams 18 are not supported by any underlying structure along thegap 16. In the illustrated embodiment, eachbeam 18 extends between a pair ofspaced supports 14 positioned at opposite ends thereof such that eachsupport 14 supports twobeams 18 thereon. However, this arrangement can be varied such that eachbeam 18 is supported by, for example, only asingle support 14, in which case thebeams 18 may be supported at their other ends by the earth or other structures. - Each
beam 18, in turn, supports a plurality of generally horizontally extending treads orplanks 20 thereon. In the illustrated embodiment, eachtread 20 is positioned generally perpendicular to the underlying beams 18 (parallel to the supports 14), and is supported by two parallel, spaced-apart beams 18 thereunder, spanning agap 22 positioned between thebeams 18. However, this arrangement can be varied such that eachtread 20 is supported by, for example, only asingle beam 18, in which case thetread 20 may be supported at its other end by the earth or other structures. - In the illustrated embodiment each
tread 20 is shaped as a generally rectangular prism having a flat upper surface. Moreover, in the illustrated embodiment, each upper surface is generally flat and planar, and positioned relatively close to the upper surface of an associatedtread 20 such that upper surfaces together define a generally smooth surface (with gaps between thetreads 20, in some cases) which can be walked upon, ridden upon (by small vehicles), etc. If desired, eachtread 20 may be coupled to anadjacent tread 20 by, for example, a laterally-extending tongue (not shown) received in an associated groove (not shown) in anadjacent tread 20. - The
piers 12, supports 14,beams 18 andtreads 20 can be made from any of a wide variety of materials, including, but not limited to, concrete, steel, wood, wood composite materials or other composite materials, or be made entirely or primarily of concrete. Modular decking systems having some features similar to those shown and described herein are disclosed in U.S. Pat. No. 5,906,084 to Millington et al.; U.S. Patent Application Publication Nos. US2009/0301024 and US2010/0186338 to Rischmueller et al, and U.S. patent application Ser. No. 13/149,375, entitled CONNECTOR FOR BOARDWALK SYSTEM and filed on May 31, 2011. The entire contents of the above-identified patent and patent applications are incorporated by reference herein. - As shown in
FIGS. 2 and 3 , eachbeam 18 may have a tread-locatingnotch 24 formed therein, with eachnotch 24 being defined by a generally vertically-extendinglip 26 adjacent an outer end thereof. Thelips 26 of theopposed beams 18 are spaced apart by a distance equal to or slightly greater than the length of a tread 20 (i.e. the distance may be no more than 1%, or 5%, greater than the length of the tread 20). In this manner, during assembly of thesystem 10 eachtread 20 can be dropped into place and closely received in thenotches 24 such that thetread 20 is effectively locked in placed, and prevented from any significant movement in the longitudinal direction of thetread 20. Thesystem 10 also provides ease of installation, as no fasteners are required to longitudinally lock thetreads 20 in place. - As noted above, each
beam 18 may operate as a beam in the engineering sense in that eachbeam 18 spans thegap 16 between the supports 14 (FIG. 1 ). Eachbeam 18 may have a length of, for example, at least about five feet in one case, and at least about ten feet in another case, and at least about twenty feet in yet another case. Thus, eachbeam 18 may need to be configured to resist/accommodate bending moments, and thus may be made of reinforced concrete. The reinforcing member in eachbeam 18 may be standard rebar or the like, and the rebar/reinforcing member may be pre-tensioned to accommodate the bending moments applied to thebeams 18. - Moreover, in order to support the
treads 20 carried thereon, eachbeam 18 may be configured to have a significant portion underlying eachtread 20. In particular, eachbeam 18 may include a underlying position 30 (FIG. 2 ) positioned below the associatednotch 24 and configured to support atread 20 thereon, and anend portion 32 not positioned below the notch 24 (i.e. positioned outside of the lip) 26. Theunderlying portion 30 may have a length L1 (in the direction of the length of atread 20; seeFIG. 2 ) that is greater than the length L2 of theend portion 32 to provide sufficient support to thetreads 20 carried thereon. In particular, theunderlying portion 30 may have a length L1 at least about 1.5 times, or at least about 2 times, the length L2 of theend portion 32 to provide sufficient support. - Since each
beam 18 is, in one case, supported only at its ends, and is not continuously supported, the extra length of theunderlying portion 30 may be required to provide sufficient support. Moreover, eachunderlying portion 30 may have a thickness (extending in the vertical direction) that is more that twice the thickness of theassociated treads 20 supported thereon. This increased thickness of theunderlying portion 30 may help to lend stiffness to thebeams 18 and enable thebeams 18 to support loads and resist bending. - In one case, the
notch 24/lip 26 of thebeams 18 may have a vertical height about equal to that of the thickness/vertical height of thetreads 20. In this case, when thetreads 20 are received in the associatednotch 24, the top surface of thetreads 20 are about flush with the top surface of thebeam 18/end portion 32. Alternately, thenotch 24/lip 26 may have a vertical height greater than the vertical height of thetread 20, and thebeam 18/end portion 32 may extend above thetread 20, as shown inFIG. 3 . This feature may be used to provide a curb, and a more finished appearance to thesystem 10. It is also possible that the notch/lip 26 may have a vertical height less than the vertical height of thetread 20 to provide a recessed feature. - As shown in
FIG. 1 , eachsupport 14 may also have alip 34/notch 36 which supports thebeams 18 thereon. Thelip 34/notch 36 may be sized and configured such that the top surface of thebeam 18 and/or theadjacent treads 20 are flush with the top surface of thesupport 14. This may be particularly important in the case, as shown inFIG. 1 , wherein thesupports 14 extend generally perpendicular to thebeams 18 and parallel to thetreads 20, since in this case thesupports 14 extend across the walking path of theboardwalk system 10. In this case it may be important that thesupports 14 do not protrude significantly upwardly so as to not form a tripping hazard. In some cases, however, it may be desired that eachsupport 14 protrude upwardly, or be recessed below, the top surface of thebeams 18 and/or treads 20 to form a curb/speed bump, or a gutter or the like. Eachsupport 14 may have an underlying portion and an end portion with the same features and relative dimensions as outlined above for theunderlying portion 30 andend portion 32 of thebeams 18. - In some cases, it may be desired to couple the
treads 20 to theunderlying beams 18 to counteract uplift forces, such as wind, water or hydraulic forces or the like. As shown inFIGS. 2 and 3 , all or selected ones of thetreads 20 include one or more pre-formedrecess 40 located on the underside thereof, and at opposite ends thereof. Similarly, selected ones or all of thebeams 18 may include a plurality ofpre-formed recesses 42 formed therein. Eachbeam recess 42 may be aligned with an associatedtread recess 40 to together cooperate to form anopening 44 which can receive aconnector 46 therein. In particular,FIGS. 2 and 3 illustrates aconnector 44 positioned in each of theopenings 44/alignedrecesses - As best shown in
FIG. 4 , eachconnector 46 may be generally “I” or “H”-shaped or dog-boned shaped, having acentral stem 48 and a pair of opposedprotrusions 50 located at or adjacent to the end of thecentral stem 48. In the illustrated embodiment, thecentral stem 48 is generally tubular/cylindrical and elongated, and terminates at the center of eachprotrusion 50, which is also tubular/cylindrical. - In one embodiment, each
connector 46 may be made of a generally elastic material such that eachconnector 46 can be deformed and return to its original shape after the deforming forces are removed. Eachconnector 46 can be made of urethane or a urethane-based material, rubber, synthetic rubber, or other materials. In some cases, then, theconnectors 46 can thus be entirely made of a non-ferrous material which resists corrosion, particularly in salt environments. - In order to use the
connector 46 to couple abeam 18 and atread 20, theconnector 46 is inserted into theopening 44/alignedrecesses connector 46 to be fully seated in theopening 44, theconnector 46 needs to be stretched along its length. In one embodiment, theconnector 46 remains under tension when fully seated in theopening 44 to pull thetread 20 andbeam 18 tight and secured together. Alternately, theconnector 46 fully returns to its un-deformed shape when seated in theopening 44 but still secures thetread 20 andbeam 18 and prevents them from being vertically separated. Further details relating to theconnector 46 can be found in U.S. patent application Ser. No. 13/149,375, entitled Connector for Boardwalk System, filed on May 31, 2011, the entire contents of which are incorporated by reference herein. - Having described the invention in detail and by reference to certain embodiments, it will be apparent that modifications and variations thereof are possible without departing from the scope of the invention.
Claims (25)
1. A boardwalk system comprising:
a first beam;
a second beam spaced apart from said first beam, said first and second beams each including a notch formed therein; and
a plurality of generally horizontally arranged treads, each tread being received in said notch of said first beam and said notch of said second beam, wherein at least one of said first and second beams extends across a span.
2. The system of claim 1 wherein said first and second beams each extend across a span.
3. The system of claim 1 further comprising a first support supporting said first and second beams thereon, the system further comprising a second support supporting said first second beams thereon, said first and second supports being spaced apart and defining a gap therebetween which is spanned by said first and second beams.
4. The system of claim 3 wherein each support has a notch therein which receives said first and second beams thereon.
5. The system of claim 4 wherein a top surface of each support is generally flush with a top surface of said plurality of treads.
6. The system of claim 4 wherein a top surface of each support is generally flush with a top surface of said first and second beams.
7. The system of claim 3 wherein said first and second beams are generally parallel and extend generally horizontally, and wherein said treads and said first and second supports extend generally horizontally and generally perpendicular to said first and second beams.
8. The system of claim 3 further comprising a plurality of piers supporting said supports thereon.
9. The system of claim 1 wherein said treads, said first beam and said second beam are substantially made of concrete.
10. The system of claim 9 wherein said first beam and said second beam are substantially made of concrete reinforced with a pre-tensioned reinforcing member.
11. The system of claim 1 wherein each beam includes an underlying portion positioned below the associated notch and an end portion not positioned below said notch, and wherein said underlying portion and said end portion each have a length extending generally parallel to an associated tread carried thereon, and wherein said length of said underlying portion is greater than said length of said end portion.
12. The system of claim 1 wherein each notch has a vertical height about equal to a thickness of each tread carried thereon.
13. The system of claim 1 wherein a top surface of each beam is generally flush with, or positioned vertically above, a top surface of said plurality of treads.
14. The system of claim 1 wherein said first and second beam each have a length of at least about ten feet.
15. The system of claim 1 wherein at least one of said treads has a pre-formed recess, and at least one of said beams has a pre-formed recess, and wherein the system further includes a connector positioned in said recesses of said at least one tread and said at least one beam and connecting said at least one tread to said at least one beam, wherein said connector limits the movement of said at least one tread upwardly away from said at least one beam.
16. The system of claim 15 wherein said connector includes a central stem and a pair of opposed protrusions, each protrusion being positioned at or adjacent an end of said central stem, and wherein said recess of said at least one tread receives one protrusion therein and said recess of said at least one beam receives the other protrusion therein.
17. The system of claim 1 wherein said first and second beams each include a lip defining the associated notch, and wherein said lips are spaced apart a distance slightly greater than a length of the associated treads received therein to closely receive said associated treads therein.
18. A boardwalk system comprising:
a first beam;
a second beam spaced apart from said first beam, said first and second beams each including a notch formed therein;
a plurality of generally horizontally arranged treads, each tread being received in said notch of said first beam and said notch of said second beam;
a first support supporting said first and second beam thereon; and
a second support supporting said first second beams thereon, wherein said first and second supports extend generally parallel to said treads.
19. The system of claim 18 wherein said first and second supports are spaced apart and define a gap therebetween which is spanned by said first and second beams.
20. The system of claim 18 wherein said first and second beams are spaced apart and define a gap therebetween which is spanned by said plurality of treads.
21. The system of claim 18 wherein each support has a notch which receives said first and second beams therein.
22. The system of claim 18 wherein a top surface of each support is generally flush with a top surface of said plurality of treads.
23. The system of claim 18 wherein said plurality of treads, said first beam, said second beam, said first support and said second support are each substantially made of concrete.
24. A boardwalk system comprising:
a plurality of generally horizontally arranged treads;
a beam positioned at or adjacent to one end of at least one of said plurality of treads and extending generally perpendicular to at least one tread, said beam including a generally vertically extending lip positioned adjacent to the associated end of said at least one tread; and
at least two supports supporting said beam thereon, each support being spaced apart with a gap therebetween, wherein said beam spans said at least one gap.
25. A method for assembling a boardwalk system comprising:
accessing a first beam and a second beam, wherein said first and second beams each include a notch formed therein;
positioning said first and second beams such that they are spaced apart and each extend across a span; and
positioning a tread in said notch of said first beam and said notch of said second beam such that said tread is closely received in said notches to limit movement of said treads in a longitudinal direction thereof.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/232,355 US20130061552A1 (en) | 2011-09-14 | 2011-09-14 | Boardwalk system with tread-locating beams |
Applications Claiming Priority (1)
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US13/232,355 US20130061552A1 (en) | 2011-09-14 | 2011-09-14 | Boardwalk system with tread-locating beams |
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US20130061552A1 true US20130061552A1 (en) | 2013-03-14 |
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US13/232,355 Abandoned US20130061552A1 (en) | 2011-09-14 | 2011-09-14 | Boardwalk system with tread-locating beams |
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Cited By (4)
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US20140345069A1 (en) * | 2011-12-19 | 2014-11-27 | Fdn Construction Bv | Prefabricated bridge |
CN108678252A (en) * | 2018-07-06 | 2018-10-19 | 上海天华建筑设计有限公司 | A kind of method of construction of floor |
US20210372059A1 (en) * | 2018-10-03 | 2021-12-02 | Atesvi, S.L. | Modular Longitudinal System for Bridge Decks for Double-Track Railways |
US20220243408A1 (en) * | 2021-02-04 | 2022-08-04 | Permatrak North America Llc | Boardwalk system |
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US3094848A (en) * | 1960-06-23 | 1963-06-25 | Paul H Albrecht | Pier |
US5528870A (en) * | 1990-06-18 | 1996-06-25 | Zamerovsky; Edward | Framed structure with load-bearing joints |
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US20140345069A1 (en) * | 2011-12-19 | 2014-11-27 | Fdn Construction Bv | Prefabricated bridge |
US9551119B2 (en) * | 2011-12-19 | 2017-01-24 | Fdn Construction Bv | Prefabricated bridge |
CN108678252A (en) * | 2018-07-06 | 2018-10-19 | 上海天华建筑设计有限公司 | A kind of method of construction of floor |
US20210372059A1 (en) * | 2018-10-03 | 2021-12-02 | Atesvi, S.L. | Modular Longitudinal System for Bridge Decks for Double-Track Railways |
US20220243408A1 (en) * | 2021-02-04 | 2022-08-04 | Permatrak North America Llc | Boardwalk system |
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