This disclosure relates to systems for protecting structures from floodwater, and more particularly, to a “stop-log” system which is selectively deployable in response to flood or flood risk.
Multi-panel flood barrier systems, also referred to as “stop log” systems, are known in the art, and are used to protect structures against flooding. Current systems may suffer from various drawbacks and disadvantages. For example, in many situations, such flood barrier systems need to be deployed relatively quickly, yet the various components of such systems may not be well adapted to quick installation for any number of reasons, ranging from being excessively heavy, complex, manual-labor intensive, or simply not being versatile enough to conform to the particular requirements of the structure to be protected. Whatever the system, it is likewise important for these systems to have as little “leaking” as possible and to otherwise be effective at preventing flood water from infiltrating past them and coming into contact with the building to be protected.
The foregoing potential drawbacks are often a function of the lengths of the barriers being installed, so any such drawbacks and installation inefficiencies are only magnified as the distance a stop log barrier is deployed increases, such as occurs over multiple courses of stop logs or in multiple locations. As such, seemingly insignificant installation steps, weight, inflexibility, or other limitations become multiplied, thus compounding delays and complexity many times over.
Efforts to simplify floor barrier systems are often hampered by the need for such systems to be effective at keeping out flood waters. For example, when multiple components are deployed in anticipation of a flood, such components need to be sealed in such a way that they not only conform to the topography of the opening or structure to be protected, but that they resist leakage at critical junctions at or between components of the flood barrier system.
A flood barrier system of the present disclosure protects a structure from flood water, by making use of multiple, “stop log” type, panels stacked atop each other between corresponding vertical elements. In certain implementations, one or more of the vertical elements has a base plate at its bottom end, and a pair of gaskets extending vertically along such element. At least one of such vertical gaskets engages the base plate in an interference fit at its lower end and thus seals the bottom element in a watertight manner.
In some implementations, the panels have panel gaskets along their bottom edges, and such gaskets are designed to remain between opposing faces of the panels when they are vertically compressed as part of the deployment of the vertical system.
In other implementations of this disclosure, a flood barrier system includes multiple, vertical elements adapted to engage the panels, and a base plate comprised of multiple layers at the lower ends of the vertical elements. In one possible implementation, the multiple layers of the base plate comprise three layers, including a structural plate and then first and second base-plate gaskets on either side of such structural plate. The upper base-plate gasket is interposed between the structural plate and a bottom portion of the vertical element to form a seal therebetween, whereas the lower base plate gasket forms a seal between the bottom of the base plate and the foundation or ground to which the corresponding vertical element is secured.
In still other implementations of this disclosure, multiple vertical elements are provided to engage the series of stacked panels, and one of the vertical elements is a stanchion post. The stanchion post is formed substantially of extruded aluminum.
Referring now to the drawings, and in particular to
Vertical elements 29 are adapted to receive corresponding ends of panels 27 in a watertight manner as detailed subsequently. As such, vertical elements 29 cause panels 27 to present forward faces 31 on the “wet side”, that is, oriented toward the anticipated or actual encroachment of flood water, and rear faces 33 opposite forward faces 31, on the “dry side.” As such, the combination of vertical elements 29 and panels 27 form, in this implementation, a temporary barrier to flood water 25.
According to one implementation, at least one of the vertical elements 29 has a base plate 37 secured thereto at a bottom end of such vertical element. Base plate 37, as discussed in more detail subsequently, may be suitably shaped and sized to underlie the horizontal foot-print of the vertical element 29 with which base plate 37 is associated.
Referring now to
Vertical gaskets 39 have lower ends which engage base plate 37 in an interference fit. The interference fit between lower ends of gaskets 39 and base plate 37 may be accomplished in a number of suitable ways, depending on the implementation. In the implementation illustrated in
Referring now more particularly to
Base plate 37, in the illustrated implementation, includes a second base plate gasket 67 secured by any suitable means to the lower surface of structural plate 65. This second, lower base plate gasket 67 is of a suitable compressible material so that when vertical elements 29 are secured to the ground, such as by L-brackets 32 (
Base plate 37 may include one or more notches 69 located and configured to match the profile of corresponding receiving channels or receptors 71 extending vertically through vertical elements 29 (
It will be appreciated that vertical gaskets 39 need not extend completely through base plate 37. For example, vertical gasket 39 may stop short of the ground and simply engage one or more portions of base plate 37 in an interference fit. The interference fit between corresponding portions of vertical gaskets 39 and base plate 37 may be such as to form a watertight seal there and enhance the effectiveness of system 21 thereby.
Vertical gaskets 39 may not only be positioned in an interference fit with base plate 37, but may also be secured thereto in any of a variety of ways, all within the scope of the present disclosure. For example, gaskets 39 may be heat-treated or chemically treated so as to connect to any one of the layers or locations of base plate 37. Opposing portions of base plate 37 may likewise be treated. In one implementation, for example, adhesive is used between opposing portions of gaskets 39 and base plate 37. In still other implementations vertical gaskets 39 are fused by any suitable means to one or more gasket layers of base plate 37, including upper base plate gasket 63 or lower base plate gasket 37, or both gaskets 63 and 67. The gaskets 39, 63, 67 may likewise be rearranged and integrated with each other either prior to being brought into operative proximity to vertical elements 29 or during deployment of the system 21. Regardless of when and how secured relative to each other, or relying simply on interference fit between gaskets 39 and base plate 37, the resulting arrangement may be designed to increase the resistance of the bottom corners 73 (
Panels 27 have respective edges 35 between faces 31, 33 of panels 27. Edges 35 may be suitably configured so that when a bottom edge of one panel opposes the top edge of another panel as shown in
Vertical elements 29 are configured to receive opposite ends of panels 27 atop each other so that panels 27 extend between corresponding vertical elements 29, as shown generally in
Referring now to
In the implementation illustrated in
The components of flood barrier system 21, according to the present disclosure, may assume any of a variety of configurations suitable for protecting a corresponding variety of structures from inflow of flood water. Vertical elements 29, for example, may be designed for particular mounting positions relative to structures to be protected and to receive panels therein from corresponding directions or orientations. Certain exemplary configurations of vertical elements 29 and corresponding base plates 37 are shown not only in
Referring now to
Another variation of vertical element 29 is to configure the channel for receiving panels 27 therein to allow panels 27 to run generally parallel to the surface upon which vertical element 29 is mounted. One such configuration is wall mount end track 81 and its corresponding base plate 37 (
While end tracks 75 and 81 are configured to be mounted to corresponding vertical surfaces of a structure to be protected, the present system 21 likewise includes vertical elements 29 which are intermediate to end tracks of the system. One or more of such intermediate vertical elements may be located between end tracks of the system. Such intermediate vertical elements may assume a variety of forms and will generally be referred to herein as stanchion posts. In one form, stanchion posts may be substantially secured to the structural foundation, footer or groundplane at their respective bottom ends, rather than to portions of the built-up structure and are thus adapted to withstand loads caused by floodwater received in a cantilever fashion. In one variation, a stanchion post may include an angled leg or bracket extending from an intermediate vertical location on the stanchion post downwardly toward the foundation at an angle. Such angled leg may terminate in a footer laterally spaced from the stanchion post and thereby provide support to such stanchion post against flood load. Stanchion posts may likewise be configured to be secured at the bottoms and span an opening sufficiently to be secured to a header or other raised location.
Referring now to
Other variations of stanchion posts are likewise contemplated, such as stanchion post 87 which orients the two channels 41 at a ninety degree angle (90°) from each other rather than the 180° angle of stanchion post 83. As shown in
Stanchion posts 83, 87 may include one or more web portions 85 extending from one or more tracks or channels 41. In the illustrated implementation, stanchion post 83 includes a pair of the web portions 85, each extending transversely from corresponding sides of tracks or channels 41, and each of the outwardly extending web portions 85, in turn, include a pair of oppositely oriented flanges 91 located at the ends of respective webs 85. In the case of stanchion post 87, a single web portion 89 extends from the junction of the rear faces of channels 41 in a transverse direction and likewise terminates in two of the flanges 91. A suitable arrangement of web portions and flanges on stanchion posts increases the strength and stiffness of such stanchion posts against loads from the inflow of flood water.
As such, the above-described features of stanchion posts 83, 87, may be implemented by forming stanchion posts herein substantially of extruded aluminum. In certain implementations, stanchion posts 83, 87 are formed substantially of a single piece of extruded aluminum, including the aforementioned channels 41 and web portions and flanges illustrated. It is to be understood that gaskets, fasteners, and other subsidiary pieces may be added to stanchion posts of the present disclosure and that such posts will still be considered substantially formed of extruded aluminum or of a single piece of extruded aluminum, as the case may be, even when such additional components are added to such stanchion posts.
Still other angular variations to the channels 41 in the vertical elements 29 are contemplated by the present disclosure. For example, certain applications may benefit from imparting an orientation to channel 41 and thus to panels 27 such that they extend from structure 23 at an acute angle α, as shown by acute-angle wall-mount end track 181 shown in
In still another variation to vertical elements 29, a center mullion post 95 is adapted to be secured to a mullion 97 located between windows 99 of a structure 123, as shown in
In one possible implementation of this disclosure, vertical elements 29 have pairs of vertical gaskets 39, one a so-called “wet side” gasket to oppose the forward face of the panels and the other a so-called “dry side” gasket to oppose the rearward face of the panels. The relative spacing of the wet side and dry side gaskets, or the overall gasket configurations themselves, may be selected, so that the flood barrier system 21 is of the “passive” type. In such passive implementations of the disclosure herein, after suitable vertical compression from any suitable vertical clamping arrangement, system 21 may be sufficiently watertight without requiring vertical panels to be manually urged or engaged horizontally against vertical gaskets. Although the disclosure herein contemplates such passive systems, the scope of this disclosure is not limited to merely passive systems. It will be appreciated that the disclosed system and its features are likewise useful in non-passive systems, and that the provision of additional means of securing the vertical panels beyond the vertical compression disclosed herein remains likewise within the scope of the present disclosure.
Referring now to
In one possible implementation, the spacing of wet side and dry side gaskets relative to each other and relative to panels inserted therebetween is such that a watertight seal is formed by both wet side and dry side gaskets upon deployment. Upon sufficient loading caused by sufficient flood water on the forward faces of panels 27, it is within the intended operational parameters of system 21 to permit water to pass through the seal formed between wet side gasket 103 and the forward faces of the panels 27. An increase in floodwater load which may cause water to pass wet-side gasket 103 likewise may further compress dry-side gasket 105 and its dual beads 108 into increased contact with opposing rearward faces of panels 27. So, regardless of whether water may pass wet side gasket 103 and may go through panels 27, such water is nonetheless substantially prevented from passing dry side gaskets 105 and thus flood barrier system 21 protects the structure.
A pair of the panel gaskets 43 is mounted to extend horizontally along bottom edges of panels 27, as discussed previously with reference to
Referring now to
The dimensions, materials, alloys, durometers, and other characteristics of the components of flood barrier system 21 may be varied, depending upon the particular application contemplated, including the size or configurations of the flood barrier system 21, the nature, location, and other physical characteristics of the structure, including its foundation and elements to be protected, and the nature of flood waters anticipated or to be protected against.
System 21 illustrated herein represents one possible implementation, balancing the factors of functionality (such as flood resistance, ease of assembly), weight, and cost, and designed to resist between 1 to 6 feet of flood water. Such system may include vertical elements 29 formed of extruded aluminum having the characteristics of 6005A-T61 alloy. Base plates 37 underlying its vertical elements are formed of three layers, the structural plate 65 being preferably formed of 6063-T6 aluminum alloy, the upper base plate gasket 63 comprising EPDM with a 40 durometer; the lower base plate gasket 67 comprising EPDM with a 40 durometer.
Among the suitable configurations for vertical gaskets 39 for gasket 21 in this implementation, “wet” side gasket 103 has a durometer of 70, is formed of polymeric material including ASTM D2000 M4AA708 A13 B13 Z 70 durometer black dense EPDM, and has an uncompressed height of about 0.422″ for the gasket body plus 0.15″ for the T-component with zero anticipated nominal compression under average flood water conditions. Dry side gasket 105 is formed of a polymeric material including ASTM D2000 M3 BA510 A14 B13 50 durometer black sulfur-cured EPDM, having a distance of 0.983″ out to out of the vertical extending beads 108, with hollowed portion selected so that gasket compression has been arranged from 0% to 35% when the blade is inserted and up to 65% under flood loads.
Vertical elements 29 in the illustrated implementation may be formed substantially of a single piece of extruded aluminum, such as 6005A-T61 alloy. It will be appreciated that vertical elements 29 may have structural elements formed of aluminum, and sealing elements of non-metal material, such as gaskets. Webs 89 may extend from channels 41 orthogonally to the plane of the panels to structurally connect a 5″ wide flange on each end of the web with flange to flange, out to out dimension of 8″.
Stanchion post 83 is designed so that, when secured to the ground, it can withstand horizontal loads consistent with wind and water loading requirements with bolted connections that do not interfere with the panels engagement in channel 41.
Panels 27 are, in certain implementations, formed of aluminum and have overall dimensions of 2.5″ wide by 12.25″ high. The horizontal span of panels 27 may assume a variety of values. In a system designed to resist between 1 to 6 feet of flood water, panels ranging between 2 feet to 12 feet in span have been found to offer a good balance of weight, cost, and functionality for system 21. But, again, other spans or panels dimensions and configurations are within the present scope. Gaskets 43 on bottom edges of panels 27 have a durometer of 50, with anticipated compression from the uncompressed state of 0.425″ for the gasket body plus 0.15″ for the T-component to a compressed state of 0.212″ for the gasket body. Bottom gasket 143 has the following characteristics in certain implementations: ASTM D2000 M3 BA510 50 durometer black sulfur-cured EPDM material with an overall width of 2.502″ and an overall height of 1.25″.
Still further variations are within the present scope, and may depend on factors as diverse as building codes, flood protection desired (50-year or 500-year flooding), and relative importance of functionality versus weight, portability, and overall budget.
Having described the structure and features of various implementations of flood barrier system 21, its deployment can be readily appreciated. After assessing structure 23 to be protected against floodwater, and attending to any advance preparation to its foundation, footers, walls, and the like, system 21 suitable for the particular structure is designed, including an arrangement of panels and vertical elements. Vertical elements 29 can be drawn from any of the exemplary vertical elements 29 disclosed herein and variations thereof, whether serving as end tracks, stanchion posts, mullion posts, or any of the variety of vertical elements needed to engage ends of panels 27 for the particular application. Vertical elements 29 are suitably secured to the horizontal, whether ground-plane, footer, or foundation relative to structure 23, or to structural walls or mullions, as the particular design may require.
In the case of securing elements 29 to the horizontal plane, L-brackets 32 or any alternative suitable securing means are used proximate to the structure. In the event one or more of the vertical elements 29 includes a base plate 37, base plate 37 has its bottom surface opposing the ground or foundation. If the bottom surface of base plate 37 includes a lower base plate gasket 67, such element 29 is secured in such a way as to suitably compress such base plate gasket 67 to promote a watertight seal between the base plate and the opposing surface of the foundation or ground.
In the case of wall mount end tracks or mullion posts, such vertical elements are suitably secured to appropriate locations on the walls of the structures or mullions thereof.
During installation, panels 27 are stacked atop each other and extend in courses between opposing tracks 41 of vertical elements 29. Once the panels 27 are stacked to the desired height in channels 41 of vertical elements 29, compression clamp 45 may be positioned at a vertical location in channels 41 above the top edge of the topmost panel 27. Compression clamp screw 48 is suitably advanced toward the topmost edge of the top panel 27, engages such edge, and at a certain point has clamp portions 49 engaging corresponding locations on channel 41 to provide resistance to the clamping force and vertical compression to the stack of panels 27. Upon installation of panels 27 in channels 41 and suitable application of vertical compressive force both to the bottoms of vertical element 29 and to the tops of stacks of panels 27, a flood barrier wall has been deployed for protecting corresponding structure 23 from the inflow of flood water 25.
In the illustrated implementations, ends of panels 27 are inserted into channels 41 between vertical gaskets 39. The spacing is such that panels 27 have either rearward faces 33, forward faces 31, or both, in contact with corresponding vertical gaskets. If system 21 includes gaskets with two or more parallel, vertically extending beads, such as 108, a pair of seals are formed on the dry side of system 21, further enhancing the water protection attributes of system 21. Either upon insertion of panels 27 within channels 41, or upon exposure of structure 21 to the loads caused by flood waters, gaskets 39 seal against opposing surfaces of panels 27 in a watertight manner, either on the “dry-side” gasket side, the forward “wet side,” or both.
Additional operations to seal panels 27 relative to vertical elements 29 or to structure 23 may be performed within the scope of the present system 21 and corresponding disclosure. For example, manual operations to seal rearward faces 33 of panels 27 against dry side gaskets of elements 29 may be performed in to certain implementations.
The arrangements of vertical gaskets 39 relative to other system components disclosed herein, including the interference fit or fusing of gasket bottom portions to base plate 37, the features of panels 27 and panel gaskets 43, 143 relative to vertical gaskets 39 or the ground-plane disclosed herein, and the other advantages apparent from the foregoing description promote sealing critical areas of system 21 in a watertight manner and thereby reduce passage of water therethrough, or other undesirable leaks of water toward structure 23.
It will be appreciated that when phrases “watertight,” “in a watertight manner” or similar phrases are used in describing features or components of system 21, such phrases shall mean not only that the corresponding structure forms a barrier stopping one hundred percent of the water and completely free of leaks therethrough, but such terms likewise are intended to encompass that the seals and structures are substantially waterproof, substantially watertight, and substantially leak free, as protection afforded by system 21 herein to a structure against inflow of water shall be considered effective and water-tight even if not always at one hundred percent, and even if there is a certain amount of leakage through flood barrier system 21. Accordingly, it will be appreciated that the disclosure and claims herein, when referring to “watertight” or “in a watertight manner,” are intended to encompass the situation where system 21 substantially prevents flood water from passing therethrough, and thus a watertight seal may exhibit some leaking either at the outset or over time and still be considered within the scope of this disclosure and the corresponding claims to sealing in a watertight manner.
Having described various implementations and variations of the flood barrier system set out herein, it will be appreciated that still further alternatives are likewise within the scope of the present disclosure and encompassed by the claims appended hereto, as are equivalents thereof.
Number | Date | Country | |
---|---|---|---|
Parent | 15146450 | May 2016 | US |
Child | 15485994 | US | |
Parent | 14162317 | Jan 2014 | US |
Child | 15146450 | US |