DK180503B1 - Procedure for flood protection and temporary dikes for flood protection - Google Patents

Abstract

Temporary dike for flood protection as well as method for flood protection, wherein the temporary dike comprises an anchoring wall (6) established below ground level (2) to which upright water-impermeable wall segments (8) can be connected above ground level (2) and wherein the anchoring wall (6) comprises prefabricated individual sections (10), each prefabricated section (10) having a longitudinal axis (20) and form-fitting engaging parts (14, 16) extending towards the longitudinal axis for establishing a form-fitting engagement with a corresponding engaging part (14,16) of a neighboring section

Description

The present invention relates to a method for flood protection, in which a temporary dike is established in the event of an increased risk of flooding, taking advantage of the fact that there is a pre-flood. clay a dike line with an anchoring wall, to which wall segments can be easily and quickly mounted. The invention also relates to a temporary dike for protection against floods.

It is known to establish temporary protection against floods, where an anchoring wall is established by casting at the place of its establishment by e.g. use of concrete. This requires major preparatory work, such as the construction of molds on site, and the removal of mold elements after casting and hardening of the concrete, as well as possible finishing with dismantling of cast bones. There is thus a need for a method and an anchoring wall which do not have these problems. DE20213521 U1 shows a dike line comprising prefabricated concrete elements set down in an earth embankment, of which only a top part protrudes above the earth embankment. The protruding top part is shown used to receive an increase in the height of the dike.

DE202007018230 U1 shows the use of prefabricated anchoring elements that are lowered into the ground and arranged to receive anchoring lines for a flood wall.

GB2472796 A temporary flood protection, where a base located in the ground is arranged to receive wall segments in receiving parts thereof, which are just above the ground surface.

The object of the present invention is to provide a method for establishing a temporary dike, as well as a temporary dike, which at least constitutes an alternative to the prior art, and where the establishment of the dike can be effected relatively quickly and without an important planning process, where the elements used to establish the dike enable a flexible building height and are easy to store, transport and set up and take down.

The object of the present invention is achieved by a method as defined in claim 1, the anchoring wall is established in sections, where each section of the anchoring wall is prefabricated and subsequently lowered into a gutter along the dike line, a section of the anchoring wall being brought into engagement with an already in the section of the anchoring wall is arranged to be subsequently at least partially covered with earth, clay or concrete, the individual sections being formed by either L-shaped or inverted T-shaped prefabricated elements, each comprising an upright coupling part and a horizontal foot part, where each section is either molded in one and the same mold, or molded with the upright coupling part and the horizontal foot part in separate molds and subsequently assembled into a section on the construction site, where several vertical blind holes are provided in the coupling part.

The new and special feature of the method is that two profile posts are lowered into their respective vertical blind holes in the upright coupling part and that the water-impermeable wall segments are subsequently placed on top of each other in such a way that the water-impermeable wall segments extend between the two profile posts.

This makes it possible to establish a temporary dike quickly and without a significant planning process.

The method enables a flexible construction height and makes it easy to stock, transport and set up and take down the elements that are part of the temporary dike.

DK 180503 B1 3 By prefabricating sections of the anchoring wall, a suitable stock can be made in advance. Once the decision to establish a temporary dike has been made, the necessary earthworks can be carried out quickly and then the prefabricated sections of the anchoring wall can be lowered one after the other along the dike line, which is determined in advance and secure the elements in the ground by a more or less extensive covering with soil. It is now simple with already known wall segments to establish a temporary protection against flooding, as wall segments that are impermeable to water are quickly and easily mounted on the prefabricated sections.

It is an advantage that the individual sections are formed of either L-shaped or inverted T-shaped elements, each comprising an upright coupling part and a horizontal foot part, each section being either molded in one and the same mold, or molded with the upright coupling part and the horizontal foot part in their respective molds so that they are subsequently assembled into a section on the construction site. The advantages of casting in a coherent element are that there will be no need for an additional assembly operation and associated fittings or the like. The advantages of casting in two separate molds are that the individual elements become lighter, so that they can be handled with lighter construction material, which can be important in urban areas, where the space around an excavation for a dike line can be cramped. .

When lowering the prefabricated sections into a gutter along the digging line, it is possible for the sections to engage each other, to ensure that they subsequently tilt or slide laterally apart. This protection is important, as in the event of floods there will be a water-saturated soil towards the water side of the dike, and this may risk being more or less plastic or floating, so that even minor lateral forces against the buried sections can make them move

DK 180503 B1 4 themselves in relation to each other, and e.g. step out to the side. This can lead to a crack between two neighboring sections and a breakthrough in water, which can have catastrophic consequences and subsequently result in more extensive dike breaches. | In special cases, concrete can be used around the sections, but usually soil, clay, gravel or mixtures thereof will be usable if it is stamped sufficiently around the anchoring wall. The covering of the individual sections with soil is not complete, as there must be a part of the anchoring wall that is accessible from the soil surface.

The intervention between the sections may comprise the use of fastening elements such as cast-in rods or the like, or recasting with concrete or combinations thereof. It is also possible to establish engagement via a gap sealing element which engages with two juxtaposed sections. The sections can be made of a suitable curable molding compound, such as concrete, but it will also be possible to make them of plastic, metal such as steel, or they can be made of a fiber-reinforced material, such as epoxy or other curable plastic mass. The sections can be made as solid elements, or they can be hollow, being filled with sand or water at installation. Suitably, a form-fitting engagement is established by displacing a projection at an end portion of a section with the section into a corresponding recess in an adjacent end portion. It is noted that this method does not establish an obstacle to a vertical movement of a section relative to a neighboring section, and this makes the assembly of the sections easier, and at the same time there is no significant need for the sections to maintain after burial. an obstacle to mutual vertical movements, as it will be the lateral force influences which are

DK 180503 B1 dominant.

Recesses and projections are made in the casting process with mutual dimensions, so that there is only a small excess of recess in relation to the projection.

It is also preferred that there is a certain slip angle.

With these two measures, an easy juxtaposition of the individual elements on the construction site is ensured.

It is preferred that a number of sections be made which comprise a curvature or a bend along the longitudinal axis so that the anchoring wall can extend along a non-linear dike line.

Curves or bends can be produced according to predefined dimensions according to the individual task, or a number of standard bends and / or curvatures can be produced so that a wide section of different non-rectilinear dike lines can be established based on stocked elements.

This ensures that the dike line can be established in relation to the landscape and already established elements such as roads and houses.

The invention also relates to a temporary dike for flood protection, wherein the temporary dike has an anchoring wall extending along a dike line, to which create water-impermeable wall segments are connectable above ground level where the anchoring wall comprises prefabricated individual sections, where each prefabricated section comprises a horizontal foot part and a coupling part upright therefrom, the two parts forming either an L or an inverted T-shape when they are assembled and lowered into the ground to form the anchoring wall.

The special feature of the temporary dike is that several vertical blind holes are provided in the coupling part and that two profile posts are lowered in their respective vertical blind holes in the upright coupling part and that the water-impermeable wall segments are arranged on top of each other and extend between the two profiles. - posts.

DK 180503 B1 6 This makes it possible to provide a temporary dike that can be established quickly and without a significant planning process. The dike is constructed in such a way that the building height can be varied (by varying the length of the profile posts and the number of wall segments). The module structure of the dike makes it easy to store, transport and set up and take down the elements that are part of the temporary dike. The horizontal foot part ensures that the section can better withstand the moment that may occur when inserted wall segments above ground level are unilaterally loaded with water pressure, even if the individual sections are relatively close to the ground surface. The width of the foot part across the dike line can optionally be dimensioned to suit the expected height of the wall segments that establish the dike function itself in the event of floods. When establishing the anchoring wall, it is ensured that the upper surface of the upright coupling part is either above or level with the ground surface. This ensures that the coupling elements belonging to the anchoring wall are always visible and easily accessible, so that the wall segments can always be connected to it easily and quickly.

Each section or prefabricated element comprises engaging parts for engaging an adjacent section at each end so that the sections are held together after assembly and do not slide sideways from each other. It is advisable that the sections are cast in concrete. This is a well-known manufacturing method, and the stated engaging parts can be easily established with suitable dimensional strength in this material.

It is preferred that the foot portion and the upright coupling portion either form a continuous unbroken body, or alternatively comprise two separate but joined bodies. The continuous unbroken body has the greatest strength, but also requires a larger mold and heavier contractor machinery for handling under the anchorage wall establishment.

DK 180503 B1 7 ring.

With two separate elements, increased flexibility and smaller shapes and easier-to-handle items are obtained, but also more work operations, as the foot part and the upright coupling part require a joining operation, e.g. on the construction site, as there must be a power and torque transmitting joint between the two parts.

When the foot part and the upright coupling part are manufactured separately, it is preferred that the connection between them comprises a threaded pin inserted in the horizontal foot part, the threaded pin being adapted to engage a horizontally projecting threaded hole wing inserted at a horizontal bottom. side of the upright coupling part.

Threaded studs and threaded hole blades are typically made of steel or similar strong material with suitable corrosion resistance.

The two parts are inserted into the mold cavities prior to the casting, so that they each have an anchoring part which sits into the concrete element and a part which projects from here.

It is preferred according to the invention that the vertically upright coupling part comprises at least one vertical blind hole extending from a horizontal surface thereof and down towards the horizontal foot part.

Such a blind hole is extremely easy to equip with an upright post in steel, wood or light metal, to which wall segments can be connected by e.g. to be inserted into a vertical U-profile along the vertical axis of the post.

According to the invention, the engaging parts of a joint between two of the individual sections of the anchoring wall comprise flexible packing means against water flow, such as a rubber-elastic packing.

Conveniently, the flexible packing means are provided on both the form-fitting engaging parts of the horizontal foot part and on the fumbling engaging parts of the upright coupling part.

This secures the whole thing

DK 180503 B1 8 buried anchorage wall against flow in the joints between the individual sections.

The invention will be explained in the following with reference to the accompanying drawing, in which Figs. Fig. 1 shows a schematic illustration in 3D view of a section of an L-shaped anchoring wall 10, Figs. Fig. 1B shows an embodiment of a section of a T-shaped anchoring wall in 3D view, with a separate upright coupling part 26; 1C is a further embodiment of the anchoring wall shown in Figs. 1B with a particularly high upright coupling part, FIG. Fig. 1D is a section of an anchoring wall, where a curvature is made along the longitudinal axis of the anchoring wall; Fig. 2A is a schematic illustration of vertical section through a landscape; 2B shows the landscape in FIG. Fig. 2A with an excavation for use in a dike line; 2C shows the landscape in FIG. Fig. 2B with at least a section of an anchoring wall 6 placed in the excavation; 2D is the landscape in Figs. Fig. 2C, where the excavation with the anchoring wall 6 is completed so that only the upright coupling part is visible above ground level 2; 2E is the landscape of FIG. 2C, but where a seawater rise is indicated, and associated water-impermeable wall segments 8 placed on top of the anchoring wall 6, Figs. Fig. 3B - shows an illustration of the design of the form-fitting engagement 12, 3A is the design of the form-fitting engagement, where the end portions are aligned with the assembly,

DK 180503 B1 9

FIG. 4A shows a schematic drawing of an embodiment according to the invention, in which the horizontal foot part and the upright coupling part are molded in one and the same mold,

FIG. 4B is the embodiment of FIG. 4A with a profile mounted in the

straight blind hole 28,

FIG. 4C, the embodiment is shown in FIG. 4B with associated profiles in the vertical blind holes 28,

FIG. 4D is the embodiment of FIG. 4A shown with inserted water impermeable wall segments,

FIG.

SA shows an embodiment of a lock for mounting over a section of an anchoring wall,

FIG. 5B shows the lock with inserted blocking element,

FIG. 5C shows a schematic representation of an anchoring wall which follows a non-linear course,

FIG. 6A is an embodiment of an anchoring wall with inserted vertical profiles,

FIG. 6B shows the embodiment of FIG. 6A with inserted water-impermeable wall segments,

FIG. 6 C erto composite sections of an anchoring wall shown with mounted water impermeable wall segments,

FIG. 7A is an embodiment in which the form-fitting engagement is established via rod elements 37,

FIG. 7B shows an embodiment in which the form-fitting engagement is established after setting up the prefabricated elements by means of a slot sealing element 40,

FIG. 7C shows the embodiment of FIG. 7B seen from above,

FIG. 8A is an embodiment in which the form-fitting engagement is established by means of inserted rod elements 42, 43, which are interconnected after immersion of the prefabricated elements,

FIG. 8B is a sectional view of FIG. 8A, showing an assembly structure 44 for assembling rod members 42, 43,

DK 180503 B1 10 FIG. Fig. 9 shows a section through a section 10 of an anchoring wall with a lock pipe 46, and 10 is a 3D representation of a section with a bolted elevation.

Initially, it should be noted that the accompanying drawing only illustrates non-limiting embodiments. A number of other embodiments will be possible within the scope of the present invention. | In the following, similar or identical elements in the various embodiments will be designated by the same reference numerals.

FIG. 1A is a schematic illustration of a section of an anchorage wall 10, for flood protection. The anchoring wall is established below ground level 2 (see Fig. 2D) so that it extends along a dike line 4 (see Fig. 6C and Fig.

50). When there is an increased risk of flooding, create water-impermeable wall segments. The section 10 of the anchoring wall shown in Figs. 1A is L-shaped and the upright coupling part 26 is thus located at one side of the horizontal foot part 24.

This design can be advantageous in places where the temporary dike is to be established close to already established buried structures, such as building foundations or foundations for traffic signs. The other figures show an inverted T-shaped section, with the horizontal bar in the T-shape at the bottom of the excavation.

The grounded anchoring walls 6 are established in sections, each section of the anchoring wall 10 being prefabricated and subsequently lowered into a gutter 5 (Fig. 2B-Fig. 2E) along the dike line, a section of the anchoring wall 10 being brought into engagement with an already in the gutter 5 placed section of - the anchoring wall 10. The gutter 5 is established prior to the lowering of the prefabricated sections of the anchoring wall 10, and is produced with a

DK 180503 B1 11 suitable depth so that a larger or smaller part of the upright coupling part of the element is above ground level 2. This means that the prefabricated sections of the anchoring walls 10 can be stored and be ready for use when the need arises, or funds are allocated to establish a temporary dike.

When the anchoring walls 10 are lowered in a groove 5, as shown in Figs. 2A, 2B and 2C, these can subsequently be at least partially covered with soil, clay or concrete, as shown in Figs. 2D.

In the example here, there will only be a very limited part of the anchoring wall visible above ground level, which is of great importance for e.g. views, but also in relation to traffic,

as evt. must be able to pass over the anchorage wall. | In other application situations, a larger part of the anchoring wall above the ground is needed, e.g. by establishing locks therein.

According to an embodiment of the invention, it is established between the individual

Prefabricated sections of the anchoring wall suitably have a form-fitting engagement, so that horizontal movement of a section 10 relative to a neighboring section 10 is prevented.

FIG. 3A and 3B illustrate an embodiment in which the form-fitting engagement m - is established by sliding a projection 14 at the end portion 18 of the section into a corresponding recess 16 in an adjacent end portion 18. As can be seen, both projections 14 and recess 16 are provided with vertical wall parts 17 so that the two adjacent sections are assembled to establish the form-fitting engagement either in a vertical movement relative to each other and / or by a horizontal movement.

The horizontal movement must then follow in the direction of the longitudinal axes 20 of the sections relative to each other.

In the example here, recesses and projections are shown next to each other in both the horizontal foot part 24 and the upright coupling part 26, whereby an increased safety is established against the two sections of the anchoring wall being rotated relative to each other.

Both rotation and translations of the two sections of the anchoring wall relative to each other can occur when the soil around the sections softens at

DK 180503 B1 12 a flood, or there are minor settlements in the ground as a result of e.g. slow-moving fluids or point pressure loads that can easily occur in an urban environment.

It is noted that in Figs. 1A, 1B, 1C, 1D, 4A, 4B, 4C, 4D, 5A, 5B, 5C, 6A, 6B and 6C the sections 10 are shown, for the sake of clarity without those in Figs. 3A and 3B show form-fitting engagement members. | in practice, there may be engaging portions along the ends here, although not shown in the figures.

It is possible as shown in Figs. 1D to design a section of the anchoring wall with a non-linear course, e.g. as illustrated with a curved course.

In FIG. 1D, 1C and 1B, a compound is also shown, e.g. in the form of a threaded pin 13 inserted into the horizontal foot portion 24, which is adapted to engage a horizontally projecting threaded hole wing 25, which is inserted at a horizontal underside of the upright coupling part 26. The threaded hole wing 25 may be inserted as a steel element when casting the upright coupling part, or it can be cast in one with the coupling part 26. When the coupling part is put in place with the threaded pins 13 through the threaded hole swings 25, nuts (not shown) can be screwed on to establish a separate joint between the horizontal foot part 24 and the vertically upright coupling part 26. As an alternative to nut and threaded joint, welding or other non-separable joint can be established.

- | 1Fig. 4A, 4B, 4C and 4D show a gradual construction of a part of a temporary dike, where initially two profile posts 7 are lowered in their respective vertical blind holes 28 in the upright coupling part 26. This usually takes place after the shown section of an anchoring wall 10 is located below or partly below ground level 2. As can be seen, the profile posts 7 are located at each end of the shown section of an anchoring wall 10. This is in contrast to the embodiment in Figs. 6A, 6B and 6C where the profile posts 7 sit '4 part inwards

DK 180503 B1 13 from the end of each of the sections shown. This means that the water-impermeable wall segments 8 will extend over a joint between two sections of anchoring walls. | FIG. 4B, 4C and 4D, the profile posts 7 are shown with u-profiles 9, the u-profiles 9 in the two posts 7, which are lowered at each end of a section of the anchoring wall 10, facing each other. In FIG. 5A and FIG. 5B shows a section of an anchoring wall 10, where the upright anchoring part has been replaced by a lock gate 33. The lock gate 33 comprises an upright concrete element with a recess 34. Here a lock member 35 can be inserted. With this arrangement it becomes possible to open for a controlled passage of water through the temporary dike.

FIG. 5C shows a dike line comprising a bend 22. Such a bend 22 can be established with different bend angles depending on the need.

It is also noted that the profile posts in Figs. 6A, 6B and 6C receive the water-impermeable wall segments 8 in u-profiles 9, each facing its own path relative to the post 7, where the profile posts in Figs. 4B, 4C and 4D are one-sided, and thus can only receive water-impermeable wall segments 8 to one side.

In FIG. 7A shows two rod elements 37 which are inserted in the vertical wall part

17. The rod members 37 may be inserted either during the casting or they may be inserted into holes established by cores during the casting. The rod members 37 may be threaded rods or other simple structures that allow form-fitting engagement between two sections 10 of the anchoring wall that are juxtaposed. | FIG. 7A, holes 38 are also outlined which allow a molding compound to be filled therein to ensure that the retaining of the rod elements 37 relative to the anchor wall section 10. Casting compound can be applied here after the rod elements 37 have holes in two adjacent sections of the anchoring wall below. its arrangement in a

DK 180503 B1 14 gutter 5. If a gap 39 (as shown in Fig. 7B) is left during the installation in the gutter 5, this can be cast with concrete afterwards. FIG. 7B and 7C show a further embodiment, where a gap 39 is left between the sections 10, and where a gap sealing element 40 is also inserted to establish the form-fitting engagement between the sections 10. The gap sealing element 40 can be a rubber-elastic element made in a suitable polymeric material, or it may be made of a stiffer material such as steel.

In FIG. 8 shows a further embodiment in which rod elements 42 are inserted in a section and other rod elements 43 are correspondingly inserted in a neighboring section. The two sets of rod elements 42, 43 are offset from each other so that the sections can be assembled as shown in Figs. 8b with all rod elements 42, 43 on a vertical line. This allows a joint structure 44 to be added to rod elements 42, 43. The joint structure 44 may be formed as a wire or rod which is passed through a hole in each of the rod elements 42, 43. A possible spaces between the sections 10 can subsequently be cast with concrete if necessary.

In FIG. 10, a section 10 of an anchoring wall is shown, in which a pipe 46 is inserted just at ground level, which has a non-return valve 45 mounted towards the water side. This comprises a flap 47 which is hinged above a horizontal hinge 48. The hinge can possibly be formed from a flexible material such as rubber or rubber-elastic plastic, which is attached to an upper side of the pipe and at the same time extends along and is connected to the flap 47. Thus, the material in the flap 47 can simultaneously form a gasket. Such a flexible gasket can help to ensure that the flap 47 closes tightly when the water level outside the non-return valve 45 is high.

DK 180503 B1 15 I Fig. 10 shows a ridge 49 bolted to a section 10 of an anchoring wall.

Bolts 50 may be continuous and have associated nuts on the opposite side (not visible in this figure). The elevation 49 can help to protect against floods, and can also comprise a water trap 51, and a drain pipe 52 connected thereto, which may can be connected to pump.

If the bolted-on elevation 49 stands alone, the water trap 51 can help to catch overflowing water, e.g. due to wave action on the water side.

Or if a wall of water-impermeable wall segments 8 is established on top of the bolted-on elevation 49, the water-trapped

capture of water that may penetrate minor leaks in the built-up temporary dike and / or overflow due to wave action.

DK 180503 B1 16 Reference numerals 2 ground level 4 dike line gutters 5 6 anchorage wall 7 profile posts 8 water-impermeable wall segments 9 U-profile section of anchorage wall 10 12 form-fitting engagement 13 threaded roof 14 projection 16 recess 17 vertical wall parts 18 end part section longitudinal axis 21 curvature foot 22 25 threaded hole wing 26 upright coupling part 28 vertical blind hole 30 horizontal surface of upright coupling part 32 packing means 33 sluice gate 34 recess 35 sluice member 36 rubber elastic gasket 37 rod element 38 hole for molding compound

DK 180503 B1 17 39 slot 40 slot sealing element 41 hole 42 rod element with hole 43 rod element with hole 44 joint structure (eg wire) 45 non-return valve 46 pipe 47 flap 48 hinge 49 elevation 50 bolt 51 water trap 52 drain pipe (possibly for connection to pump )

Claims (11)

DK 180503 B1 18 Patent claim A method of protection against flooding, wherein an anchoring wall (6) is established, which runs along a dike line (4), to which create water-impermeable wall segments (8) can be coupled, the anchoring wall (6) being established in sections, where each section of the anchoring wall (10) is prefabricated and subsequently lowered into a gutter (5) along the dike line (4), a section of the anchoring wall (10) being brought into engagement with a section of the anchoring wall (10) already arranged in the gutter (5). to subsequently be at least partially covered with earth, clay or concrete, the individual sections (10) being formed by either L-shaped or inverted T-shaped prefabricated elements, each comprising an upright coupling part (26) and a horizontal foot part (24), where each section (10) is either molded in one and the same mold, or molded with the upright coupling part (26) and the horizontal foot part (24) in separate molds and subsequently assembled into a section on the construction site, where in the coupling part (26) several vertical blind holes (28) are provided, characterized in that two profile posts (7) are lowered in their respective vertical blind holes (28) in the upright coupling part (26) and that the water-impermeable wall segments (8 ) are subsequently placed on top of each other in such a way that the water-impermeable wall segments (8) extend between the two profile posts (7). Method according to claim 1, characterized in that an engagement is established between the sections by recasting a joint area between the sections with concrete. Method according to claim 1 or claim 2, characterized in that form-fitting engagement is established between the sections by displacing a projection (14) at the end part (18) of the section with the section into a corresponding recess (16) in an adjacent section. end part (18). DK 180503 B1 19 Method according to one or more of Claims 1 to 2, characterized in that a number of sections are produced which comprise a curvature (21) or a bend (22) along the longitudinal axis (20) so that the anchoring wall (6) may extend along a non-linear dike line (4). Temporary dike for flood protection, the temporary dike comprising an anchorage wall (6) extending along a dike line to which create water-impermeable wall segments (8) are connectable above ground level (2), the anchorage wall (6) comprising prefabricated individual sections (10), each prefabricated section (10) comprising a horizontal foot portion (24) and an upright coupling portion (26) therefrom, the two portions forming either an L or an inverted T-shape when lowered into the ground to form of the anchoring wall (6), where several vertical blind holes (28) are provided in the coupling part (26), characterized in that two profile posts (7) are lowered in their respective vertical blind holes (28) in the upright coupling part (26). and that the water-impermeable wall segments (8) are arranged on top of each other and extend between the two profile posts (7). Temporary dike according to Claim 5, characterized in that each individual section (10) has one or more engaging parts for connecting one section to its adjacent sections. Temporary dike according to claim 5 or claim 6, characterized in that the foot part (24) and the upright coupling part (26) either form a continuous unbroken body, or comprise two separate but joined bodies. Temporary dike according to claim 7, characterized in that the connection between upright coupling part (26) and foot part (24) comprises a threaded pin (13) inserted in the horizontal foot part (24), which threaded pin (13) is arranged DK 180503 B1 20 to engage with a horizontally projecting threaded hole wing (25) inserted at a horizontal underside of the upright coupling part (26). Temporary dike according to claim 8, characterized in that the vertically upright coupling part comprises at least one vertical blind hole (28) extending from a horizontal surface (30) thereof and down towards the horizontal foot part (24). . Temporary dike according to claim 5, characterized in that engaging parts (14) of a joint between two of the individual sections (10) of the anchoring wall (6) comprise flexible packing means (32) against water flow, such as a rubber-elastic gasket. Temporary dike according to claim 10, characterized in that the flexible packing means (32) are provided on both the form-fitting engaging parts (16, 14) of the horizontal foot part (24) and on the form-fitting engaging parts (14, 14) of the upright coupling part (26). 16).