Classifications

• • E—FIXED CONSTRUCTIONS
  • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
  • E02B—HYDRAULIC ENGINEERING
  • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
  • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
  • E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
  • E02B3/106—Temporary dykes

Definitions

• FIG. 1 shows a first step in the building of a water barrier and fig 2 a second step in the building in accordance with the invention seen in a cross section, fig 2 to 4 details in the device shown in fig 1 and 2, fig 5 a second variety of how an addition can be carried out, and fig 6 a additional variety of a super structure.
• first build a first lower barrier level this can swiftly be built of long distances in order to prevent or limit overflow. If the water then continues to rise also the building of the barrier continues to the double height, which thus can be carried out even if the barrier is already in use as a dam. In this way one has more time for the building of the higher barrier level at the same time as optimal time can be used for level 1. Since the support for building of level 1 are comparatively small they become small and light and may consequently be applied very quickly.
• the length of the struts in the support for the elevated second level is large, they must in order to cope with the strains be comparatively sturdy dimensioned, which result in a high weight. Since the support is divided in a lower and an upper part also the support device of the second level of the barrier becomes considerably more manageable than otherwise would be the case. The separating in two supports also enables the lower support with its short strut to be made lighter in its entirety, despite the fact that it at the high increased barrier level must take a pressure that is larger than that exerted on the upper load pallet and thereby on the support on this.
• the overflow barrier in Fig 1 includes a first load pallet 1 that rests on a support 2 constituted of sheet metal profiles.
• the support 2 includes a bottom part 3 provided with a multitude of holes stamped downwards with collars provided with teeth to secure a good grip in the ground. If so wished or required of course the holes can be used for the driving of tent pins or the like down into the ground for an improved grip.
• An inclined U-shaped upper part 4 is articulatedly arranged at the front edge of the sheet metal profile 3 and an additional strut 5 is arranged articulated in the upper part and lockable to the lower part making a strong triangle.
• the upper part or the metal sheet profile 4 has such a width that the footplanks 27 of two adjacent load pallets 1 can be received in the channel that the profile constitutes.
• a stop flange 6 is arranged in the lower end. All the parts of the support are pivotally articulated to each other and have different width dimensions so that the support can be folded for transport and storage. Since the flanges grip over the adjacent footplanks 27 of close till each other placed load pallet 1 a good and somewhat flexible connection is obtained lengthwise of the barrier.
• the flexibility in the load pallets secure that point loads do not brake the barrier but instead this can yield somewhat and distribute the load.
• a membrane or tarpaulin that extends a distance in front of the barrier and that is preferably held in place by means of sandbags, stones, or something like that a distance out from the barrier.
• the reason for the barrier membrane to extend so far out under the water is that otherwise leaking or through the water percolating water may result in erosion of the earth below the membrane which could undermine the ground under the barrier.
• the membrane is in its upper end for instance folded over the upper edge of the load pallet and nailed or fastened with staples directly in the row of load pallets.
• the second support 7 of an upper row of load pallets is likewise built of U-shaped metal sheet profiles with different widths dimensions so that they can be folded and placed in each other at transport and storage.
• the second support 7 is constituted by a bottom part 8 to which is articulated a first front strut 9, that in its upper end is fastened to an upper part 10 in which also a second rear strut 11 i articulated.
• the second strut 11 is fixable to the lower part 8 by means of a bar 14 that is inserted through holes 12 in both parts. Since there are several holes 12 in the lower part the angle between the upper part and the bottom part can be varied.
• the bottom part is provided with stamped collars to improve the grip in the ground. If the ground is hard and even also special rubber blocks can be inserted.
• the bar 14 in the lower end of the rear strut 11 can be used as a stop for a sliding movement of the strut along the bottom part.
• a draw connection is arranged between the ground parts of the first and second supports respectively 8, this also in the shape of a metal sheet profile 13. This metal sheet profile is also fastened by means of bars 14 going all the way through the ground parts 3 and 8.
• the upper metal sheet profiles 4 and 10 respectively for the first and second supports are held together partly by a band 15 partly by bar 14 arranged in the front end of the upper part 10 of the second support so that it can grip over the upper part of the first support as well as over the footplanks 27 of the load pallets that stand in the upper part 4 of the first support. (See fig 3).
• the first supports 1 are unfolded and load pallets are arranged between these with their footplanks 27 in the upper part or profile 4.
• the second support 7 is in a more or less uplifted position pushed forward until its front end grips under and around the pallet supporting upper profile part 4 in the first support 1 and therein standing footplanks (se fig 2).
• the upper sheet metal profile 10 of the rear support 7 can be lift up to contact against the downwards extending footplanks of the lower row of load pallets and in this position the lower end of the rear strut 11 is fixed in relation to the profile 8 in contact with the ground and a band 15 locks the upper part of the second support and relation to the footplanks 27 and the upper part 4 of the first support.
• a bar 14 is arranged that grips over the upper part 4 of the first support and the footplanks 27 of two pallets in the first row of pallets.
• a bridging part 13 that is providing with a large number of holes (for bars 14) to allow adjustment possibilities depending in particular on the inclination of the ground and the thereof resulting angle between the first and second support.
• a laterally connecting part 19 is pushed down between the supports.
• This part has the shape that is shown in fig 4 and is essentially constituted by two in each other telescoping U-shaped metal sheet profiles 20 and 21. In the ends the webs of the sheet metal profiles 20 and 21 are folded 90° then to be folded back again so that the support can be hooked over the edge of the upper part (sheet metal profile) 10 of the rear support 7.
• the lateral connection 19 is applied above the lower load pallet and this load pallet is then pushed and lifted somewhat in towards the water, that is up from the first support so that the laterally connecting part can be pushed down until it is halfway below the upper edge of the lower load pallet.
• the up-flangeing from the web of this lateral connection is so made that the rivet or bolt connection holding the first strut and the upper part of the rear support can be past with one half.
• the lateral connection 19 will support the upper end of the lower load pallet also in the middle (the foot plank in the middle) so that the load pallet despite the considerable extra pressure that will be subjected to when the water rise not will be broken. Also the upper load pallet rests in its lower end of on the cross connection where it may be subjected to the same pressure (almost).
• the Bars 14 that are used for the mutual locking of the different parts in the support may have the shape of straight bars with crosswise holes for the insertion of locking pins but one can also consider more sophisticated bars with built in locking devices, possibly in the shape of snap type that by themselves lock after the insertion, but that then may be released at the demounting, possible even with particular tools, this since there are more time available at the demounting. Locking may either be in the front end or in a head end.
• the device shown in fig 5 can be used. It is quite simply constituted of a number of downwards turned forks 22 that are pushed on to the upper end of the load pallets then to receive in an upwards directed fork 23 a plank 24 that is inserted. Preferably this fork is angled 45° (or has an angle of 135°) so that the plank end up essentially vertical.
• the application of this plank can also be used for the fixing of the membrane that may quite simply be wound around the plank before this is inserted.
• the barrier has to be increased with more than one plank but not an entire pallet one can consider the variety shown in fig 6. It is quite simply constituted of a number of extension pieces 60 that are pushed on to the upper end of the load pallet then to receive with an upwards directed angled part 63 an inserted first longitudinal planks 62. Above the plank held by the angled part three additional planks may be placed and nailed or screwed by means of holes in the profile.
• the extension parts essentially have U-shape with such a depth that they turned upside down can grip over two of the planks 28 on the upper side of the pallets.
• Lateral flanges 64 are arranged to define the degree of mounting movement and in the lower end the lateral flanges of the extension are higher so that they extend below the planks enabling the insertion of bars through holes 66 in these flanges 65.
• the membranes that are then used to cover the upper row of load pallets is joined in an optional of manner to the membrane already covering the lower row of pallets, for instance by means of tacking it to the lower low pallet or plank or by means of self adhesive tape or other conceivable fastening means directly in a first lower membrane.
• planks lengthwise also has the advantage that the barrier becomes stronger since it is joined together in the length direction.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Environmental & Geological Engineering (AREA)
• Ocean & Marine Engineering (AREA)
• Mechanical Engineering (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Pallets (AREA)

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Cited By (9)

Citations (2)

• 2000
  • 2000-04-27 SE SE0001539A patent/SE523055C2/sv unknown
• 2001
  • 2001-04-27 WO PCT/SE2001/000910 patent/WO2001081681A1/en active Application Filing
  • 2001-04-27 AU AU2001252828A patent/AU2001252828A1/en not_active Abandoned

Patent Citations (3)

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