EP3497395A1 - Ensemble plaque de protection et procédé de réparation d'une telle plaque de protection - Google Patents

Ensemble plaque de protection et procédé de réparation d'une telle plaque de protection

Info

Publication number
EP3497395A1
EP3497395A1 EP17751282.9A EP17751282A EP3497395A1 EP 3497395 A1 EP3497395 A1 EP 3497395A1 EP 17751282 A EP17751282 A EP 17751282A EP 3497395 A1 EP3497395 A1 EP 3497395A1
Authority
EP
European Patent Office
Prior art keywords
plate
protective plate
arrangement according
protective
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17751282.9A
Other languages
German (de)
English (en)
Other versions
EP3497395B1 (fr
Inventor
Johann Pfaff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solidian GmbH
Original Assignee
Solidian GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solidian GmbH filed Critical Solidian GmbH
Publication of EP3497395A1 publication Critical patent/EP3497395A1/fr
Application granted granted Critical
Publication of EP3497395B1 publication Critical patent/EP3497395B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0414—Layered armour containing ceramic material
    • F41H5/0428—Ceramic layers in combination with additional layers made of fibres, fabrics or plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249923—Including interlaminar mechanical fastener

Definitions

  • the invention relates to a Schutzplattenanord ⁇ tion for protection against bombardment and / or explosions and a method for repairing such a protective plate assembly after damage by an impact, for example by explosion splinters or a projectile.
  • WO 2009/111302 A2 describes a system with a cement-based protective plate.
  • the protective plate has a cement core. Fiber- reinforced mats are glued on opposite sides of this cement core.
  • the three-layer protection plate can be arranged on a metal frame. It is also possible to arrange on both sides of the frame corresponding three ⁇ layered protective plates.
  • CN 201952936 U describes a Schutzplattenano ⁇ tion, which has two reinforced steel cement plates, the connected by bolts. Between the cement boards mineral wool is arranged. On the one hand ⁇ ment plate outside a fiberboard with aramid or Kar ⁇ bonmaschinen is arranged. The protective wall can be placed on a stand.
  • US 2009/0282968 Al describes a protective plate ⁇ arrangement with multiple aramid fiber reinforced plates, which are embedded in a multi-layered structure between several front plates and multiple back plates.
  • the plate assembly is held together by a circumferential frame.
  • a multi-layer protection plate assembly is disclosed in US 2016/0102471 Al.
  • Each layer is in turn a multilayer structure and may be metal alloys, metal ⁇ compositions, polymers, stone materials, fibrous materials and combinations thereof.
  • the layers are held together by a frame arranged on the edge.
  • the protective plate assembly has at least one alkali-resistant fiber layer embedded in an inorganic matrix.
  • the reinforcing plate formed thereby is arranged on a supporting structure, for example a wall. It may be regarded as an object of the present invention to provide a protective plate assembly, which is a high security against explosions or bombardment and at the same time has a small thickness and a ge ⁇ ringer square meter weight.
  • the protective plate assembly should be suitable as a wall element of a building or facing shell for attachment to facades.
  • the protective plate assembly comprises at least three and preferably exactly three textile-reinforced concrete slabs: an outer plate, an inner plate and an intermediate plate which is arranged between the outer plate and the inner plate. At least one textile layer is embedded in the concrete matrix of each concrete slab. Each textile layer is preferably formed by a lattice-like layer of fiber bundles or filament bundles, wherein the bundles of the fabric extend in either a first direction or a second direction.
  • the concrete matrix may comprise, for example, cement and an aggregate and optionally concrete additives or concrete admixtures.
  • the Be ⁇ tonplatten are preferably aligned parallel to a plane of the plate, which is spanned by an x-direction and a y-direction of a Cartesian coordinate system.
  • the protective plate assembly also includes at least one fiberboard. If a plurality of fiber plates before ⁇ hands, they are arranged parallel to the plate plane next ⁇ each other, so that a normal vector of a fiber plate does not pass through the other fiber boards.
  • the at least one fiberboard is disposed between the outer panel and the intermediate panel.
  • the fiberboard points in a plastic matrix embedded plastic fiber bundles on.
  • the plastic fibers or plastic filaments may for example be made of aramid and / or glass and / or carbon.
  • an epoxy resin can be used as the plastic matrix.
  • the inner plate is arranged at a distance from the intermediate ⁇ plate. Between the inner plate and the interim ⁇ rule plate an intermediate space is formed.
  • the intermediate space may be filled with a gaseous and / or solid filling material.
  • air may be present in the space and / or a solid insulation material such as polystyrene, mineral wool, natural fibers, etc.
  • the plates of the protective plate assembly are interconnected via connecting elements and therefore form a coherent arrangement or a composite.
  • the connecting elements have a first end and an opposite the ers ⁇ th end of the second end.
  • the two ends of a connecting element are embedded in different textile-reinforced concrete slabs and fastened or integrated there in a form-fitting and / or cohesive manner.
  • a connecting element may, for example, connect the outer plate and the intermediate plate.
  • a connecting element can also connect the intermediate plate with the inner plate. It is also possible that a connecting element extends from the first end in the outer plate through the intermediate plate to the second end in the inner plate and thus al ⁇ le three textile-reinforced concrete slabs together.
  • the inner plate for Bil ⁇ tion of the gap at a distance to the intermediate plate ge ⁇ keep.
  • a side facing away from the fiber plate side of the Au ⁇ ,platte forms the outside of the protective plate assembly.
  • the side facing away from the intermediate plate of the inner plate forms the inside of the protective plate assembly.
  • a striking element such as a projectile or an explosion splinter or the like hits the outside, the striking element is first deformed. Depending on the energy of the impacting element, it can penetrate the outer panel and then impinge on the fiberboard. There, the remaining energy of the deformed wrapping element is converted into stretching and stretching of the fibers.
  • the part of the fiber plate in Rich ⁇ tung can deform to the intermediate plate. This deformation can cause on the fiberboard Titange ⁇ translated side of the intermediate plate portions of the concrete material flake off and are hurled to the inner plate.
  • the ⁇ se chipped parts can traverse the gap and then optionally meet on the inner plate.
  • the energy of these chipped concrete parts of the intermediate plate is sufficiently low, so that they may still cause klei ⁇ nere damage to the gap facing side of the inner plate, but flake on the inside of the protective plate assembly no further concrete parts.
  • the ductility of the three textile-reinforced concrete slabs in conjunction with the fiberboard prevents chipping of the concrete material on the inside. Persons or facilities located behind the inside are effectively protected from explosions or fire.
  • a Verbundsys ⁇ tem statically considered as a single element ⁇ who can, resulting in static Simplify calculations on buildings.
  • the textile-reinforced concrete slabs have a high ductility, which provides protection against impacting Elements greatly improved in cooperation with the at least one fiberboard.
  • the protective plate assembly can be made with respect to other known protective plate systems with a significantly smaller thickness or significantly lower weight.
  • the protective plate assembly may have in one embodiment, only the three textile-reinforced concrete slabs and the fiberboard.
  • a solid filler material is disposed intermediate ⁇ space instead of air, which is used especially in continuous, plate-ger form, this can simplify the manufacture of the guard plate assembly, and particularly the casting of the individual textile reinforced concrete slabs.
  • the fiberboard can be connected before the setting of the concrete with the outer plate and / or the intermediate plate.
  • the outer plate and the interim rule ⁇ plate may also have a uniform concrete matrix ⁇ .
  • the at least one fiberboard is not through the at least one connecting element ⁇ sets and / or the connecting elements are not involved in the plastic matrix of the fiberboard.
  • a connecting element which is embedded with a first end in the concrete matrix of the outer plate, preferably extends se at least one fiber plate by and / or interim ⁇ rule two or more adjacent fiber boards therethrough. If a plurality of fiberboard are arranged side by side between the outer plate and the intermediate plate , the distance of the fiberboard is kept as low as possible in order not to form a weak point. It is also possible for a fibreboard to have a cutout for an assigned connecting element , wherein the cutout can also be arranged in the edge side.
  • a connecting element which is embedded with a first end in the concrete of the outer plate does not penetrate the outside of the protective plate assembly.
  • the outside or the inside can be formed continuously from a uniform material surface.
  • the at least one connecting element in a preferred embodiment has a connecting web connecting the first end of the connecting element to the second end of the connecting element.
  • a respective crosspiece may be present.
  • Can plates to connect all three textile reinforced concrete, the connecting web constantly pass through the intermediate plate full ⁇ .
  • the connecting web In order to forward the energy acting on the outside over the connecting web only partially to the intermediate plate and / or the inner plate, the connecting web at least in a portion and a tilt ⁇ angle inclined relative to a cross-sectional plane durau ⁇ fen, wherein the cross-sectional plane at right angles plate plane or to the outer plate or to the intermediate plate or to ⁇ nenplatte is aligned.
  • connection ⁇ web of the outer plate in the intermediate plate or the in ⁇ nenplatte reduced parallel to the cross-sectional plane ⁇ is also possible to provide a plurality of sections of the connecting web with different Nei ⁇ conditions or inclination angles. This allows the direct introduction of a force on the connection ⁇ web of the outer plate in the intermediate plate or the in ⁇ nenplatte reduced parallel to the cross-sectional plane ⁇ .
  • connecting web schisse ⁇ cher or with a smaller thickness than the remaining components of the connecting element and insbeson ⁇ wider than the transverse web, which at the first end and / or at the two ⁇ ten end of the connecting element may be present.
  • the connecting element may be formed by a maschinever ⁇ reinforced composite material.
  • the number or density of the fibers or fiber bundles may be smaller in the connecting web in at least one transverse web or in other components of the connecting element.
  • the one group contains at least one first dacasele ⁇ ment and the other group includes at least a second connecting element.
  • the at least one first connection element is in the plate plane, ie in the x-direction
  • the at least one first connection ⁇ element connect the outer plate with the intermediate plate.
  • the at least one second connecting member can connect the interim ⁇ rule plate to the inner plate.
  • Continuous connecting elements which extend from the outer plate through the intermediate plate to the inner plate, are preferably not present in this embodiment.
  • Each of the concrete slabs has at least one Tex ⁇ tillage.
  • the number of textile layers in the intermediate plate is preferably greater than in the outer plate and / or in the inner plate.
  • the intermediate plate may comprise at least three fabric layers aufwei ⁇ sen.
  • the outer panel and / or the inner panel may each have exactly one textile layer in one embodiment. If a concrete slab has more than one textile layer, these are preferably arranged at a distance from one another in a z-direction at right angles to the slab plane. The z-direction corresponds to the spatial direction into which the normal vector of the concrete slab in question points.
  • a textile layer is formed before ⁇ preferably by a grid-like scrims of fiber bundles.
  • the one fiber bundle extend at a distance from one another in the x direction and the other fiber bundles extend, for example, at a distance from one another in the y direction.
  • the fibers or filaments of each fiber bundle are stretched as possible.
  • the crossed fiber bundles can be connected to one another before being embedded in the concrete matrix, for example by a connecting thread or the like.
  • the invention also relates to a method for repairing a turning hole of the above beflexe ⁇ nen protective plate assembly. The following steps are carried out:
  • a portion of the turning hole extending in the intermediate plate is filled up with a resin or pressed out with resin.
  • a replacement piece for the fiberboard is inserted into the turning hole on the existing fiberboard.
  • the damaged by the inserted ⁇ troubled element region of the fiber board is covered by the replacement part.
  • the area of the knock-in hole which extends in the outer panel is filled up with a filler.
  • FIG. 1 shows a schematic cross-sectional view through an embodiment of a protective plate assembly
  • FIG. 2 shows a schematic cross-sectional representation through a further exemplary embodiment of a protective plate arrangement
  • FIG. 3 a shows a schematic cross-sectional illustration through an embodiment of a fiberboard of the protective plate arrangement
  • FIG. 3b shows a schematic illustration of the fibers or fiber bundles of a fiber plate of the protective plate.
  • Figure 4 is a schematic perspective Prin ⁇ zipdarwolf of the structure of an exemplary connection member of the protective plate assembly
  • Figure 5 is a schematic representation of a Fa ⁇ serbündelgeleges for incorporation in a concrete matrix a concrete slab of the guard plate assembly as textile reinforcement
  • Figure 6 is a schematic plan view of the Au ⁇ .seite a protective plate assembly
  • FIG. 7 is a schematic cross-sectional view of another embodiment of a Schutzplattenano ⁇ tion
  • FIG. 8 is a schematic cross-sectional view of another embodiment of a Schutzplattenano ⁇ tion
  • FIGS. 9-11 show different embodiments of connecting elements for use in the protective plate arrangement
  • Figures 12-14 are each a schematic cross-sectional view through ⁇ an embodiment of a guard plate assembly with individual steps for repairing a weft hole.
  • the invention broadens a protective plate assembly 20 for protection against bombardment and / or explosions.
  • the protective plate arrangement 20 has three textile-reinforced concrete plates 21: an outer plate 22, an inner plate 23 and an intermediate plate 24. sentlichen aligned parallel to each other.
  • Each concrete panel 21 extends parallel to a plate plane which is spanned by an x direction and a y-direction of a Cartesian coordinate system ⁇ card.
  • the intermediate plate 24 is disposed between the outer plate 22 and the inner plate 23.
  • the three textile reinforced concrete slabs 21 are not directly adjacent to each other, but are in the z-direction in each case with distance angeord ⁇ net.
  • the thickness of the intermediate plate 24 is in the Auspen ⁇ approximately example greater than the thickness of the outer plate 22 and / or the inner plate 23.
  • the thickness of the intermediate plate 24 is at least twice as large as that of the outer plate 22 and / or the inner plate 23rd
  • a side facing away from the intermediate plate 24 side of the outer plate 22 forms an outer side 25 of the protective ⁇ plate assembly 20.
  • the inner plate 23 has a side facing away from the intermediate plate 24 side, which forms an inner side 26 of the protective plate assembly 20. Behind the inside 26 are to be protected persons or facilities. Striking elements, such as splinters, projectiles or the same ⁇ meet on the outside 25 of the protective plate assembly 20.
  • Each textile reinforced concrete slab 21 has Wenig ⁇ least a textile layer 30, which is embedded in a concrete matrix 31st If a textile-reinforced concrete slab 21 has more than one textile layer 30, the individual textile layers are arranged in the z-direction at a distance from one another. The individual textile layers 30 preferably do not touch each other. With increasing thickness of a concrete slab 21 in the z direction, the number of textile layers 30 is increased and preferably increases in proportion to the thickness.
  • the outer plate 22 and inner plate 23 each have a ⁇ a textile layer Zige 30th
  • the number of textile layers 30 of the intermediate plate 24 is greater than the number of textile layers of the outer panel 22 and / or the inner panel 23.
  • at least three textile layers 30 are embedded in the intermediate panel 24 in the concrete matrix 31.
  • the concrete matrix 31 consists of a binder, such as cement and an aggregate.
  • a binder such as cement and an aggregate.
  • gravel and / or sand can be used as aggregate used ⁇ to.
  • the concrete matrix may contain concrete admixtures or concrete admixtures.
  • the structure of a textile layer 30 is illustrated schematically.
  • the textile layer 30 is formed by lattice-shaped fiber bundles 32.
  • a ers ⁇ th group 33 of fiber bundles 32 extending in a direction, for example in the x-direction, while a second group 34 extends from the fiber bundles 32 in a different direction, for example in the y-direction.
  • the two groups 33, 34 are placed one on top of the other and thereby form a grid-shaped clutch.
  • the fiber bundles 32 extend in a substantially straight line.
  • substantially rectangular and / or square meshes are formed in the contexture. Notwithstanding this, the mesh could also be designed rough ⁇ tenförmig. It is also possible, at least one further group of fiber bundles 32 reimbursezu somn ⁇ gene so that the nest of three or more superimposed groups of fiber bundles 32 is comprised.
  • the fiber bundles 32 of a common group 33, 34 extend each substantially parallel to each other. At the crossing points, the intersecting fiber bundles are connected to one another by connecting means, for example by connecting threads or the like.
  • the flexible scrim which is flexible prior to incorporation into the concrete matrix 31, can thereby be handled and the positioning of the individual fiber bundles 32 is retained.
  • the fibers of the fiber bundles 32 of the textile layer 30 are, for example, filaments made of glass, carbon or other suitable for textile concrete filaments into consideration.
  • the textile-reinforced concrete slabs 21 Compared with reinforced concrete, the textile-reinforced concrete slabs 21 have greater ductility and a low weight. Due to this ductility, breaking by impacting elements of the outer panel 22 in comparison with reinforced concrete takes place only with larger forces or loads.
  • the three textile-reinforced concrete slabs 21 are connected to one another via connecting elements 40.
  • all Verbin ⁇ -making elements are constructed 40 are identical.
  • Each connection ⁇ element 40 has a first end 41 and an opposite second end of the ⁇ 42.
  • At both ends 41, 42 is in each case a transverse web 43 is present.
  • the transverse webs 43 have a Clearre- is discovered in the x-direction and in y-direction and 40 may be gebil ⁇ det by plate-shaped portions of the connecting element.
  • the two transverse webs 43 are connected to one another via a connecting web 44, which extends from the first end 41 to the second end 42.
  • a transverse web 43 can extend from the connecting web 44 in the x-direction only to one side or both sides away.
  • Characterized connecting elements 40 may, for example, viewed in cross section U-shaped, J-shaped, C-shaped, T-shaped or double-T-shaped gebil be ⁇ det.
  • the connecting elements 40 pass neither the outside 25, nor the inside 26 of the Schutzplattenano ⁇ ringing 20th
  • the structure of an exemplary kausele ⁇ element 40 is illustrated schematically in Figure 4.
  • the connecting element 40 is formed from fiber bundles 45 embedded in a plastic matrix.
  • the fiber bundles 45 are each illustrated by a line in FIG. Analogous to the lattice-like layer of a textile layer 30, the fiber bundles 45 each form at least two groups which are superimposed in different directions to form the lattice structure.
  • Such lattice-like arranged fiber bundles 45 are embedded in a plastic matrix and brought into the desired shape.
  • a plurality of mesh parts 46 can be shaped and connected to one another by means of the plastic matrix, as illustrated schematically in FIG. According to FIG. 4, the two lattice parts 46 have mutually parallel sections, which are applied to one another and connected via the plastic matrix.
  • the fiber bundles 45 of the connecting element 40 may be formed, for example, by glass fibers.
  • the fiber bundles 45 are embedded in a matrix of Epo ⁇ xidharz or impregnated in an epoxy resin.
  • the epoxy also serves as connection means for the material-locking connection ⁇ a plurality of grid parts 46th
  • a connecting element 40 is formed from a single mesh member 46.
  • the at least one fiber plate 50 is arranged between the outer plate 22 and the bacteriaplat ⁇ te 24 between the outer plate 22 and the bacteriat ⁇ te 24.
  • the at least one fibreboard 50 rests with one side against the outer plate 22 and with the opposite side against the intermediate plate 24, or is connected to the outer plate 22 and / or the intermediate plate 24.
  • the at least one fiber plate 50 by contact with the concrete matrix 31 of the outer plate 22 and / or the intermediate plate 24 and the subsequent off ⁇ cure the concrete matrix 31 are connected to the respective concrete slab 21st
  • a plurality of fiber plates 50 are not placed in a common plane next to each other and in the z direction to each other angeord ⁇ net.
  • the at least one fiber plate 50 is not enforced by the connecting elements 40 in the exemplary embodiment.
  • the connecting elements 40 extend past the at least one fiber plate 50.
  • a corre sponding ⁇ recess for passing through the respective Ver provide connection element 40.
  • Another possibility is to provide at the edge of a fiberboard 50 a savings ⁇ savings for the connecting web 44, so that immediately adjacent fiber plates 50 can abut directly at the points where no connecting web 44 and no connecting element 40 is present.
  • the fasteners 40 do not extend in the x-direction and y-direction over the entire dimension of the guard plate assembly 20 adjacent to the connection ⁇ elements 40 - viewed in the y direction - Therefore, two juxtaposed fiber plates 50 abut each other. In the region of the connecting web 44, a corresponding recess may be present in one or in both adjacent fiber plates 50. Depending on the number of connecting bodies 40 used and their position, the number of fiberboard plates 50 present may vary. In FIG. 6, three fiber plates arranged side by side in the x-direction are illustrated, between which each extends through a connecting element 40 or a connecting web 44.
  • the at least one fiber board 50 has MITEI ⁇ Nander connected and, in particular weaving technology interconnected plastic fiber bundles 51, which are made of glass fibers or aramid fibers.
  • the Webtechnische Bin ⁇ tion is arbitrary.
  • FIG. 3b illustrates a fabric 52 which, according to the invention, has a plain weave.
  • the fabric 52 of plastic fiber bundles 51 is embedded in a plastic matrix 53 of the fiberboard 50
  • plastic matrix 53 preferably used an epoxy resin.
  • a gap 57 is formed between the intermediate plate 24 and the réelleplat ⁇ te 23 .
  • the inner plate 23 is arranged at a distance from the intermediate plate 24 ⁇ .
  • This gap 57 is penetrated by at least part of the existing connecting elements 40. Otherwise can ⁇ at the space 57 with air ( Figure 2) and / or a solid and preferably plate-like or mat- tenförmigen filling material 58 filled (eg, Figure 1).
  • the filler material 58 is elastically and / or plastically deformable, and especially more easily by a multiple ver ⁇ malleable than all the other plates 21, 50 of the Schutzplattena ⁇ UTHORISATION 20.
  • the filler for example, there are the üb ⁇ SHORT- insulating materials used into consideration.
  • a filling material 58 for example, Styrofoam plates, Na ⁇ ture and / or synthetic fiber mats, mineral wool mats, etc. can be used. Basically, it is alternatively possible to turn loose bulk material as filler material 58 to ver ⁇ .
  • Related plates or mats that form the filling ⁇ material 58 include, but are easier to handle in the production and therefore preferred.
  • the protective plate assembly 20 according to Figures 1 and 2 described so far acts as follows:
  • the impacting element Upon impact of a striking element on the outside 25, the impacting element is first deformed by the outer plate 22, whereby the kinetic energy is reduced.
  • the weft element may as ⁇ fully penetrate in the outer plate 22 and the Fibrous plate 50 hit.
  • the impacting element deforms the aramid or glass fibers, thereby reducing the kinetic energy by stretching and deforming the fibers of the plastic fiber bundles 51.
  • the fiberboard 50 is damaged and / or deformed in the region of the impact hole.
  • the impacting element can penetrate into the intermediate plate 24 ⁇ .
  • By this impact in the intermediate plate 24 can on the inner plate 23 facing sides of the intermediate plate 24 peel off concrete parts.
  • a sol ⁇ ches chipped concrete part can penetrate into the gap 57 or penetrate this and impinge on the inner plate 23.
  • the shape and redu ⁇ ed energy of such spalled concrete part can possibly occur on the damage 23 to the intermediate space 57-facing side of the inner panel.
  • the upward impact energy is not enough that 20 concrete parts are Wegge ⁇ spin on the inner ⁇ page 26 of the guard plate assembly that violate individual or entity and may damage.
  • a connecting element 40 connects all three textile-reinforced concrete slabs 21 to one another.
  • the connecting elements 40 are subdivided into a group of first connecting elements 40a and a group of second connecting elements 40b.
  • the first and second connecting elements 40a, 40b have at ⁇ game in accordance with a shape viewed in cross section U-shaped or bow-shaped.
  • the first end 41 of the first Verbin ⁇ dung elements 40a is embedded in the concrete matrix 31 of the outer panel 22 and the second end 42 of this first Verbin ⁇ dung elements 40a is embedded in the concrete matrix 30 of the intermediate plate 24th
  • the first end 41 of the second connecting elements 40 is in the concrete matrix 31 the intermediate plate 24 and the second end 42 embedded in the concrete ⁇ matrix 31 of the inner plate 23.
  • the first connecting elements 40a connect the outer plate 22 with the intermediate plate 24 and the second connecting elements 40b, the intermediate plate 24 with the inner plate 23.
  • the two ⁇ th connecting elements 40b are arranged offset in the x-direction and / or y-direction relative to the first connecting elements 40a , Characterized the connecting webs 44 of the first connecting elements 40a are not aligned with the Verbin 40b ⁇ -making webs 44 of the second fasteners.
  • a force applied to the outside 25 of force or pressure wave is characterized the connecting webs not routed via the connecting elements 40a, 40b and the special ⁇ 44 to the inner plate ⁇ 23rd.
  • first and second connecting elements 40a, 40b in Figure 7 may also correspond to the connecting elements 40 according to Figures 1 and 2.
  • Other embodiments of the first and second connecting elements 40a, 40b are possible, as explained above.
  • the structure of the protective plate assembly 20 according to Figure 7 otherwise corresponds to the structure of the above relieve ⁇ th embodiments.
  • FIG. 1 Protective plate assembly 20 with modified connecting elements 40 is illustrated in FIG. Apart from the connecting elements 40, this spursbei ⁇ game corresponds to the embodiment of Figure 1 or 2.
  • the difference of the embodiment of Figure 8 with respect to Figures 1 and 2 is that the connecting webs 44 of the connecting elements 40 relative to the cross-sectional plane E, which is aligned at right angles to the x-direction and thus the plates 21, 50 of the protective plate assembly 20 passes through at right angles, obliquely or inclined.
  • a Nei ⁇ supply angle to the cross-sectional plane E is greater than 0 degrees and less than 90 degrees and in particular less than 80 degrees or less than 70 degrees.
  • the tilt angle ⁇ is preferably at least 10 degrees or 15 degrees or 25 degrees.
  • a force Fz acting on the first end 41 along the cross-sectional plane E or in the z-direction in the region of the connecting web 44 is thereby transmitted only partially along the connecting web 44 to the inner plate 23.
  • a magnitude smaller longitudinal force Fs and additionally ei ⁇ ne lateral force Fq acts at right angles to the connecting web 44.
  • the vector decomposition of the forces is schematically illustrated in Figure 9.
  • the larger the inclination angle is selected the smaller the amount of the longitudinal force Fs.
  • the amount of lateral force Fq is less re ⁇ Levant, since these transverse force Fq does not lead to spalling on the inside 26 of the guard plate assembly twentieth
  • the ge ⁇ entire connecting web 44 extends in a correspondingly inclined plane from the first end 41 to the second end 42. It is alternatively possible, only a portion of the connecting web 44 at an inclination angle relative to the cross-sectional plane E inclined to train. A further possibility is to provide a plurality of differently inclined portions of the connecting web 44, as illustrated schematically in FIG ⁇ cal. 11 There is a ers ⁇ ter portion 44a of the connecting rod 44 under a ⁇ ers th inclination angle l and a second portion 44b of the connecting rod 44 at a second inclination angle 2 inclined to the cross-sectional plane E.
  • the two Ab ⁇ sections 44 a, 44 b form a kink 62. It could also more than two sections accordion-shaped or
  • first inclination angle l and the second inclination angle 2 may be the same or different.
  • Figure 10 and 11 show an alternative or white ⁇ direct way to reduce the second end 42 of maximum transferable from the first end 41 of power by the Sta ⁇ stability of the connecting web is reduced 44th
  • the weakening of the connecting web 44 may additionally or alternatively by reducing the density of the fiber bundles 45 or fibers within the fiber bundle 45 reaches the remaining parts of the connecting element 40 who ⁇ the.
  • the projectile 66 has 67 individual filaments of the fiber bundle art ⁇ stretched from the fiber plate 50 and 51 moved into the intermediate plate 24 in an area of the weft hole 65th In the direction of impact, a part 68 has flaked off on the side of the intermediate plate 24 facing the intermediate space 57 and has filled the filler material 58 in the intermediate direction. 57 deformed.
  • For repair proceed as follows:
  • the area of the knock-in hole 65 located in the intermediate plate 24 is filled up with a resin 69 by press-fitting the resin 69.
  • a suitably cut replacement piece 70 for the Fa ⁇ serplatte 50 is used.
  • the replacement piece 70 has plastic fibers embedded in a plastic matrix and preferably has the same construction as the plastic plate 50.
  • the replacement piece 70 can be removed by cutting a suitable piece from a replacement fiberboard and applied to that part of the fiberboard 50 which is inside the turning hole 65 is arranged.
  • the resin 69 or other connection means can be used to combine this ⁇ He set piece 70 to the fiberboard 50th This re ⁇ paratur suitse are schematic 13 illustrates ⁇ in FIG.
  • Fills 65 in the outer plate 22 with a filler 71 be ⁇ and substantially flush with the outer surface 25 supplied ⁇ spackles ( Figure 14).
  • the invention relates to a Schutzplattenanord ⁇ tion 20 and a method for repairing a knockout 65 in the protective plate assembly 20.
  • the protective plate assembly 20 has three textile-reinforced concrete slabs 21, which are connected via connecting elements 40 to a unit with ⁇ each other.
  • the textile reinforced concrete slabs 21 form an outer panel 22, an inner panel 23 and an intermediate plate 24.
  • Between the intermediate plate 24 and the inner plate 23 is a gap 57 available.
  • the gap 57 may be filled with air and / or a solid filler material 58, which can be deformed plas ⁇ table and / or elastic. Additional plates or layers can be omitted.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

L'invention concerne un ensemble plaque de protection (20) ainsi qu'un procédé pour réparer un trou d'impact (65) dans l'ensemble plaque de protection (20). L'ensemble plaque de protection (20) présente trois plaques de béton armées de textile, qui sont assemblées les unes aux autres par l'intermédiaire d'éléments d'assemblage (40), de manière à former une unité. Les plaques de béton (21) armées de textile forment une plaque extérieure (22), une plaque intérieure (23) et une plaque intermédiaire (24). Au moins un panneau de fibres (50) comportant des faisceaux de fibres (51) en fibres de verre et/ou d'aramide incorporés dans une matrice en matière plastique (53) est disposé entre la plaque extérieure (22) et la plaque intermédiaire (24). Un espace intermédiaire (57) se trouve entre la plaque intermédiaire (24) et la plaque intérieure (23). L'espace intermédiaire (57) peut être rempli d'air et/ou d'un matériau de remplissage (58) solide, apte à la déformation plastique et/ou élastique. Des plaques ou des couches supplémentaires ne sont plus nécessaires.
EP17751282.9A 2016-08-11 2017-07-24 Ensemble plaque de protection et procédé de réparation d'une telle plaque de protection Active EP3497395B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016114927.6A DE102016114927B4 (de) 2016-08-11 2016-08-11 Schutzplattenanordnung und Verfahren zur Reparatur einer solchen Schutzplattenanordnung
PCT/EP2017/068617 WO2018028975A1 (fr) 2016-08-11 2017-07-24 Ensemble plaque de protection et procédé de réparation d'une telle plaque de protection

Publications (2)

Publication Number Publication Date
EP3497395A1 true EP3497395A1 (fr) 2019-06-19
EP3497395B1 EP3497395B1 (fr) 2020-08-19

Family

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Application Number Title Priority Date Filing Date
EP17751282.9A Active EP3497395B1 (fr) 2016-08-11 2017-07-24 Ensemble plaque de protection et procédé de réparation d'une telle plaque de protection

Country Status (6)

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US (1) US20190219367A1 (fr)
EP (1) EP3497395B1 (fr)
AR (1) AR109307A1 (fr)
DE (1) DE102016114927B4 (fr)
IL (1) IL264754B (fr)
WO (1) WO2018028975A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020112101A1 (de) * 2020-05-05 2021-11-11 Technische Universität Dresden, Körperschaft des öffentlichen Rechts Verbundbauteil, Bauteil, und Verfahren zum Herstellen eines Verbundbauteils

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7311964B2 (en) 2002-07-30 2007-12-25 Saint-Gobain Technical Fabrics Canada, Ltd. Inorganic matrix-fabric system and method
US20090282968A1 (en) 2004-07-01 2009-11-19 Colliflower Anne B Anti-ballistic materials and process
KR20070094748A (ko) * 2004-12-01 2007-09-21 라이프 실드 엔지니어드 시스템스 엘엘시 파편 및 발사체 격납 시스템과 장비 및 그 제조 방법
DE202007014526U1 (de) 2007-10-17 2009-03-05 Ducon Gmbh Bauelement, insbesondere plattenförmiges Bauelement aus Beton und Betonzuschlagsmaterial
CL2009000370A1 (es) 2008-03-03 2009-10-30 United States Gypsum Co Sistema de paneles, que comprende un armazon y un panel cementicio, que contiene un nucleo cementicio de una fase curada constituida de cemento inorganico, mineral inorganico, relleno puzolanico, policarboxilato y agua, y una capa de recubrimiento unida a una superficie de la fase curada.
CN201952936U (zh) 2010-12-10 2011-08-31 同济大学 一种新型的夹芯式防爆防弹墙
DE102012101498A1 (de) * 2012-01-03 2013-07-04 Groz-Beckert Kg Bauelement und Verfahren zur Herstellung eines Bauelements
US20140137727A1 (en) * 2012-11-05 2014-05-22 Hipertex Armor Group, LLC Blast-resistant reinforced cementitious panels and reinforcing structures for use therein
DE102013011083A1 (de) * 2013-07-02 2015-01-08 Groz-Beckert Kg Verfahren zum Herstellen eines Betonbauteils, vorgefertigtes Bauelement eines Betonbauteils sowie Betonbauteil
DE102014006115B3 (de) * 2014-04-29 2015-05-21 Thiem Security Solutions Gmbh Schutzvorrichtung für einen Gebäudeteil
US9809005B2 (en) 2014-10-03 2017-11-07 Antiballistic Security And Protection, Inc. Anti-ballistic materials and system

Also Published As

Publication number Publication date
AR109307A1 (es) 2018-11-21
EP3497395B1 (fr) 2020-08-19
WO2018028975A1 (fr) 2018-02-15
DE102016114927A1 (de) 2018-02-15
DE102016114927B4 (de) 2018-04-12
IL264754B (en) 2022-03-01
US20190219367A1 (en) 2019-07-18

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