WO2020083642A1 - Élément de plaque pour la rénovation et/ou la construction de rideaux de palplanches - Google Patents

Élément de plaque pour la rénovation et/ou la construction de rideaux de palplanches Download PDF

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Publication number
WO2020083642A1
WO2020083642A1 PCT/EP2019/077301 EP2019077301W WO2020083642A1 WO 2020083642 A1 WO2020083642 A1 WO 2020083642A1 EP 2019077301 W EP2019077301 W EP 2019077301W WO 2020083642 A1 WO2020083642 A1 WO 2020083642A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet pile
cover
plate element
concrete
pile wall
Prior art date
Application number
PCT/EP2019/077301
Other languages
German (de)
English (en)
Inventor
Claus LANGENHAN
Original Assignee
Langenhan Industrieservice E.K., Inh. Claus Langenhan
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 Langenhan Industrieservice E.K., Inh. Claus Langenhan filed Critical Langenhan Industrieservice E.K., Inh. Claus Langenhan
Publication of WO2020083642A1 publication Critical patent/WO2020083642A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/02—Sheet piles or sheet pile bulkheads
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E02D5/10—Prefabricated parts, e.g. composite sheet piles made of concrete or reinforced concrete
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/64—Repairing piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • 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
    • E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/066—Quays
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water

Definitions

  • the present invention relates to a plate element for the renovation and / or erection of sheet piling.
  • sheet piling which is generally used, for example, in the area of port facilities or in sections of fortifications of riverside facilities on water, is subject to a considerable degree to wear due to aging.
  • Sheet piling is largely formed with trapezoidal sheets made of steel that have rammed into the ground or into the bottom of a body of water, sometimes with corrosion-suppressing coatings, such as a corrosion-resistant protective coating or a varnish or a zinc coating.
  • an exposed area of the sheet pile wall which can also be referred to as the front side, is constantly exposed to the water and / or the particularly corrosive ambient air, especially near the surface of the water.
  • an existing cavity between the steel plates and the sheet pile wall for example in the form of a steel trapezoidal sheet, is often created after the steel plates have been fixed with one Filling compound filled, typically with concrete.
  • this measure also only helps to a small extent, since it cannot suppress corrosion attack on the steel plates of the cladding and, if the steel plates are corroded, the exposed concrete, especially in the waterline area, forms cracks due to weather-related attacks , so that moisture and oxygen can penetrate to the original sheet pile wall and cause further corrosion damage there.
  • thermoplastics in particular the material polyethylene
  • polyethylene is also stable in the area of waters with an aggressive and highly corrosive water composition, for example with an increased oxygen and / or salt content, and withstands a corresponding attack .
  • Thermoplastic, in particular polyethylene has proven to provide high chloride protection.
  • posts placed in water or posts that are endangered by corrosive attacks e.g. steel posts, but also wooden posts exposed to natural weathering
  • Sheaths made of such a material usually made of polyethylene, for example a polyethylene pipe section, surrounded, a space between the sheathing and the post or post to be secured being filled with a potting material, usually concrete. This measure for the rehabilitation and securing of pile or post elements in water has proven itself.
  • the inventor had accordingly set himself the task of providing more effective protection for sheet piling exposed to corrosion, in particular measures for the renovation of existing sheet piling, in particular those with steel trapezoidal sheets on the side facing the water, but also the possibility of providing one more effective prevention of corrosion attacks from newly built sheet piling.
  • this object is first achieved by a plate element for the renovation and / or erection of sheet piling with the features of claim 1.
  • Advantageous developments of such a plate element are specified in the dependent claims 2 to 8.
  • a method for producing such a plate element is specified (claim 9).
  • a development of this method according to the invention is named in claim 10.
  • the invention finally provides a method for renovating a sheet pile wall and / or for protecting it give a sheet pile against corrosion with the features of claim 1 1 is. An advantageous development of such a method is described in claim 12.
  • a plate element for the renovation and / or erection of sheet piling first has a support element and a concrete support that is firmly connected to the support element.
  • the carrier element has a top surface made of a thermoplastic, in particular polyethylene, which forms a front side of the plate element.
  • a cover surface With the cover surface arranged on the back of the cover surface cavity structures are fixed, in particular in one piece. These cavity structures have openings facing the back of the support element and cover regions adjacent to the openings, which cover cavities formed in the cavity structures.
  • the concrete support is arranged on the back of the plate element and, with anchoring projections, penetrates through the openings into the cavities and fills them.
  • the thermoplastic that is used here, as he thinks, is especially polyethylene.
  • thermoplastic materials such as in particular polypropylene (which, however, is generally more expensive)
  • polypropylene which, however, is generally more expensive
  • PP-HM non-material additives
  • PVC polyvinyl chloride
  • a plate element designed as described above thus has a cover surface made of a thermoplastic material, in particular polyethylene, on a front side, and therefore of a material that is opposite corrosive attacks from and by existing water is insensitive and resistant.
  • the plate element On the back, the plate element is seen with the concrete support, which is positively and firmly connected to the support element due to the anchoring projections engaging in the cavities.
  • the concrete support on the one hand results in stiffening of the plate element, in particular when the support element is formed with a comparatively thin wall thickness of, for example, 5-15 mm, in particular 8-10 mm.
  • the concrete support enables easy connection to an existing sheet pile wall.
  • a plate element formed as above can be placed in front of a sheet pile wall to be refurbished or also against a newly built sheet pile wall and leaned against the opposite side of a sheet pile wall, for example a surface of a steel trapezoidal sheet, with the rear concrete layer. loadable and can be created by pouring the cavity between the recessed areas of the steel trapezoidal sheet and the concrete support with concrete.
  • reinforcement anchors for example Y-shaped steel anchors, can be attached to the recessed areas of the sheet pile wall, for example welded on.
  • fastening structures are provided on the back of the plate element, with which these can be fixed to the sheet pile wall, in particular on the back, protruding or protruding reinforcements, anchors and / or brackets made of steel, in particular made of steel.
  • Both the recessed areas of the sheet piling have corresponding reinforcement elements or reinforcement anchors and the plate element has similar steel anchors or comparable reinforcement on its back in the areas in which the sheet pile wall that is to be renovated or to be protected from corrosion is jumping back.
  • fastening elements, pouring concrete into the interspaces and curing them can create a firm and in particular also airtight and thus a corrosion attack on the connection which is refurbished or protected by means of a sheet element according to the invention or which protects the sheet pile wall.
  • the carrier element made of thermoplastic material, in particular polyethylene can advantageously be made of black colored plastic material, in particular polyethylene, by adding carbon (for example soot).
  • carbon for example soot
  • the plate element according to the invention also has a special part because the plastic material used can have a low coefficient of thermal expansion, for example in polyethylene a particularly low coefficient of thermal expansion of typically in the range of 0.2 mm / ° C * m.
  • the plate element according to the invention can therefore experience larger temperature fluctuations over a longer period of time without being damaged thereby.
  • a with the plate element according to the invention refurbished or ge protected sheet pile wall is correspondingly long-lasting ge protects against further corrosion.
  • a plate element according to the invention can in particular have a rectangular shape.
  • a panel can have, for example, a panel width of 50 cm to 200 cm, in particular 75 cm to 1 50 cm, for example 100 cm, with a panel height of for example 100 cm to 400 cm, in particular 1 50 cm to 300 cm, for example 175 cm or 300 cm.
  • the total thickness of a plate element according to the invention can be, for example, 50 mm to 300 mm, in particular 100 mm to 200 mm, for example 150 mm.
  • the cavity structures in the plate element according to the invention can extend from side walls that run parallel to the top surface and leave a distance from one another, parallel to the top surface, in particular in one piece, and from side walls connected to the side walls, in particular in one piece, in particular parallel to the Cover surface extending cover walls (which then form the cover areas) be limited, in the cover walls the openings in the form of these cover walls penetrate, parallel to the side walls are formed longitudinal slots ge.
  • the introduced, in particular poured, concrete can flow in particularly well when filling the concrete and fill the cavity, so that firm and secure hold the concrete support on the support element ensuring anchoring continuity are formed.
  • the plate element has larger dimensions, it can be advantageous to stiffen the support element not yet provided with the concrete support, in particular to prevent it from becoming twisted when the support is applied or during the hardening of the concrete or warped.
  • Such a stiffening can be done for the ball game in that the longitudinal slots do not extend over an entire length of the plate element in one direction, but that the top walls are unbroken in sections running transversely to the longitudinal slots.
  • sections are created in which a stiffening is formed by an equally continuous extension of the top wall or the top walls.
  • reinforcement strips are placed on the cover walls in the sections in which the cover walls are not perforated and are connected to the cover walls, for example glued or thermoplastic welded.
  • reinforcing strips With such reinforcing strips, a further stiffening of the plate element can be achieved in a direction transverse to the longitudinal slots.
  • These reinforcing strips are in particular applied to the carrier element in particular before the concrete support is placed.
  • the reinforcement strips can be included in the concrete support, for example, by forming the concrete support with a greater thickness than the height of the reinforcement strips, so that the reinforcement strips are included in the concrete support.
  • a plate element according to the invention as described above can in particular be produced in a further aspect of the invention by forming a sandwich plate element with two cover surfaces arranged parallel to one another while leaving a distance and with the cover surfaces connecting the distance and bridging the distance and between the respective hollow elements made of a thermoplastic, in particular polyethylene.
  • openings opening in one of the cover surfaces are then introduced in such a way that regions of the cover surface thus opened continue to cover at least partially the respective cavity into which the opening extends, at least partially covering the openings.
  • the application of the support made of concrete can in particular be carried out with a sandwich plate which is laid flat on the undamaged cover surface and which is in particular placed in a mold which laterally surrounds the sandwich plate and into which concrete is then poured from above.
  • the sandwich panels lying on the undamaged top surface can be shaken or vibrated when the concrete is introduced and also afterwards, so that the concrete penetrates the cavities well and deeply, in particular completely filling them and sit down there.
  • fastening structures are also introduced, in particular reinforcing elements, anchors and / or brackets, preferably formed from steel, for a later fixing of the plate element to a sheet pile wall to be renovated or protected .
  • the attachment structures e.g. Steel anchors, for example, can insert the open top surface behind the openings and, for example, be held and positioned using a holding frame when the concrete is poured.
  • the fastening structures e.g. Steel anchors or steel reinforcements or steel brackets, fixed in the support.
  • a component of the invention is also provided by a method for renovating a sheet pile wall and / or protecting a sheet pile wall against corrosion, in which at least one plate element with the features as described above faces the exposed backing of the sheet pile with an exposed surface of the sheet pile wall is placed in front of the exposed surface of a sheet pile wall to be renovated and connected to the sheet pile wall. This can be done, for example, and in particular by filling the remaining cavities between the sheet pile wall and the back of the plate element with concrete, in particular pouring them out.
  • reinforcement or anchoring elements previously attached to the exposed surface of the sheet pile for example welded in place, for example in the form of Y-shaped steel reinforcements, so that a particularly durable and good connection of the poured and preserved concrete can also be obtained with the exposed surface of the sheet pile wall to be renovated or protected.
  • the special thing about the invention is in particular that it enables light to be made from a thermoplastic, such as e.g. Polyethylene to connect the existing top surface with another material, in particular with the material of a sheet pile wall.
  • a thermoplastic such as e.g. Polyethylene
  • Thermoplastic plastics are difficult to combine with other materials due to their high chemical resistance.
  • the mechanical anchoring of the concrete layer creates an excellent connection and in turn enables the composite slab thus created to be connected to other materials, such as a steel plate or a Stahltra pezblech a sheet pile.
  • Figure 1 is a three-dimensional view of a carrier element as part of egg nes plate element according to the invention obliquely from the back.
  • FIG. 2 shows a rear view of the carrier element from FIG. 1;
  • FIG. 3 shows a side view of the carrier element from FIG. 1;
  • Fig. 4 is a schematic representation of a plan view of a sheet pile wall which has been renovated or protected with the aid of a plate element according to the invention
  • FIG. 5 is a schematic representation of a side view of the sheet pile wall refurbished or protected with the aid of a plate element according to the invention as shown in FIG. 4.
  • FIGS. 1 to 3 an exemplary embodiment for a carrier element of a plate element according to the invention is shown in three different views to further explain the invention.
  • FIGS. 4 and 5 show a plate element according to the invention, formed with a support element as shown in FIGS. 1 to 3, pre-assembled in front of one and fixed to a sheet pile wall for the purpose of renovating the latter.
  • the figures are neither true to scale nor detailed in all aspects. They only serve to illustrate the features and properties which are essential to the invention and are intended to provide a better understanding of the invention.
  • a carrier element for a plate element according to the invention is in the exemplary embodiment shown in FIGS. 1 to 3 with the reference numeral 1.
  • the carrier element 1 has a cover surface 2, which can also be designed as a cover plate and which consists of a thermoplastic, in particular polyethylene. Molded on the back of the top surface 2 are hollow space structures which are firmly connected to the top surface 2. In the exemplary embodiment shown, these cavity structures are formed in one piece with the top surface 2 and are also formed from a thermoplastic, in particular from polyethylene. It is within the scope of the invention, however, also conceivable and possible that only the top surface 2, in particular only its exposed front and surface, is formed from a thermoplastic material, such as, in particular, polyethylene, the other structures from a different material consist. However, a carrier element 1 formed entirely from the thermoelastic plastic, preferably from polyethylene, is preferred.
  • the cavity structures which are arranged on the rear on the top surface 2 of the carrier element 1, are formed by side walls 3 which run in a longitudinal direction of the here rectangularly shaped carrier element 1 and are covered by top regions 4 in the form of top walls.
  • openings 5 are made in the form of longitudinal slots through which located between the back of the top surface 2, the side walls 3 and the deck areas 4 cavities 6 are accessible.
  • sections 7, the material of the cover surfaces is unbroken, so that in these sections 7 transverse, in particular perpendicular, to the longitudinal extension of the slot-shaped openings 5 extending areas are formed, in which the carrier element 1 is stiffened.
  • reinforcing strips 8 can be guided over the sections 7 with unbroken cover areas 4 and connected there with the material of the cover areas 4, for example glued or thermoplastic welded.
  • a carrier element 1 as shown in the figures can be produced, for example, from a sandwich element, which consists of a thermoplastic material, such as polyethylene, in particular, and is formed with two cover layers that are opposite one another while leaving a gap and that bridge over the gap, a longitudinal direction parallel extending side walls 3 are interconnected. One of the cover layers is left unchanged and forms the cover surface 2 in the carrier element 1.
  • the second cover layer is provided in areas between the side walls 3 with the slit-shaped openings 5 which e.g. can be milled through the top view. In this case, the cover layer projects over an area between the side walls 3 and is thus left to form the cover areas 4.
  • the longitudinally slit-shaped openings 5 are not continued, so that stiffening areas are left there.
  • reinforcement strips 8 can optionally be placed in these areas and connected to the material of the cover layer, e.g. glued or welded (e.g. by ultrasonic welding or by thermoplastic welding).
  • the cover surface 2 can be exposed, as is done here, by completely removing the side walls 3 and the second cover layer of the sandwich panels there, for example in a milling process.
  • the concrete holding structures or holding elements can be inserted into the openings 5 and cast into the concrete holding structures or holding elements, in particular reinforcements protruding from the rear over the concrete support, for example Y-shaped steel anchors or steel reinforcements in an elongated, semicircular shape, and / or consoles, such holding structures or holding elements serving to better connect the plate element according to the invention to a sheet pile wall to be renovated.
  • FIGs 4 and 5 a structure is shown in two schematic views, a top view ( Figure 4) and a side view ( Figure 5) as it is obtained after a renovation or protective cladding of a sheet pile wall formed from steel trapezoidal sheets with a plate element according to the invention .
  • FIGS. 1 to 3 a plate element 10 according to the invention, which can be formed in particular using a support element 1 as shown in FIGS. 1 to 3.
  • the plate element 10 has the cover layer 2, cavities 6 and reinforcing strips 8 formed by the carrier element 1 and that on the opposite side of the cover layer 2 the carrier element 1 for forming the plate element 10 is covered with a layer of concrete 9 .
  • the concrete 9 has also penetrated into the cavities 6 and fills them.
  • reinforcement elements 1 1 are applied in the support of concrete and fixed in the concrete 9.
  • reinforcing elements can be, for example, as shown in an arc shaped steel grid and, as can be seen in Figure 5, he stretch over the height of the plate element 10.
  • brackets 12 can also be seen for this purpose, which are also in the concrete 9 on the side of the plate element 10 opposite the top surface 2 used and so firmly connected to the plate member 10 and anchored therein.
  • a sheet pile wall 20 to be rehabilitated or protected can now be found on the one body of water that is bounded by the sheet pile wall 20 , facing side are clad and thus renovated or protected against corrosion.
  • FIGS. 4 and 5 There is shown a sheet pile wall 20 made of steel trapezoidal sheets, which is in itself existing and is to be renovated or possibly newly built and clad for corrosion protection, which is renovated or protected against corrosion with the aid of a plate element 10 according to the invention and with a method according to the invention.
  • the sheet pile 20 which is formed by means of sheet steel locks 21 interconnected with trapezoidal sheet metal, was initially provided with concrete core 22 in the recessed sections.
  • these are Y-shaped and consist of steel. They are attached to the sheet pile wall in a first step, in particular welded, in preparation for the further renovation or covering with the plate elements 10.
  • hooks 23 which are also fixed in a preparatory step on the existing or wall 20 built in the context of the new building, in this embodiment, for example, welded to the projecting sections of the trapezoidal sheet.
  • the space between the rear layer of hardened concrete 9 of the plate element 10 and the sheet pile wall 20 is included Concrete (in the form of fresh concrete) 30 backfilled.
  • a filler neck 15 is inserted into at least one, in particular in several of the plate elements 10, which extends through the plate element 10 in a tubular manner and opens into the space between the sheet pile wall 20 and plate element (s) 10 on the back of the plate element.
  • This filler neck 15 is arranged, in particular, in a section of the plate element 10 which is at the bottom in the installed state and faces the ground.
  • Pre-mixed concrete 30 suitable for hydraulic engineering is now pressed in through this filler neck 15, which thereby fills the space between the sheet pile wall 20 and the plate elements 10 presented, rising from below.
  • the filling of the space with concrete 30 takes place until, on an upper side, from the gap formed between the sheet pile wall 20 and the plate elements 10 presented above, a mushy concrete mass emerges above a water line W.
  • the filler neck 15 is closed with a suitable locking mechanism and the concrete 30 hardens. Pressing the concrete 30 from below has the advantage that the concrete 30 does not separate, which is to be observed when pouring the concrete 30 from above.
  • thermoelastic plastics in particular polyethylene, are particularly resistant to corrosive attacks and chloride attacks from those contained in the waters bounded by sheet piling Water, including water containing salt (i.e. containing chlorine ions).
  • thermoelastic plastic as a particularly preferred choice of the thermoelastic plastic, then this is to be understood only as an example.
  • Other thermoelastic plastics such as in particular polypropylene, are also conceivable as PP-HM.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

L'invention concerne un élément de plaque pour la rénovation et/ou la construction de rideaux de palplanches (20) présentant un élément support (1). L'élément support (1) présente une surface de recouvrement (2) en un matériau synthétique thermoplastique et des structures creuses (3, 4, 5, 6) reliées de manière fixe à la surface de recouvrement (2) et disposées sur la face arrière de la surface de recouvrement (2). La surface de recouvrement (2) forme la face avant de l'élément de plaque. Les structures creuses (3, 4, 5, 6) présentent des ouvertures (5) sur la face arrière de l'élément support (2) et des zones de recouvrement (4) adjacentes aux ouvertures (6), qui recouvrent les creux (6) formés dans les structures creuses (3, 4, 5, 6). Une surface d'appui en béton est disposée sur la face arrière de l'élément de plaque et reliée de manière fixe à l'élément support (1) en ce que le béton pénètre à travers les ouvertures (5) par des prolongements d'ancrage et remplit les creux (6). L'élément de plaque (10) présente des structures de fixation (11, 12) sur la face arrière pour la fixation à un rideau de palplanches à rénover. Un tel élément de plaque permet d'obtenir une protection particulièrement efficace d'un rideau de palplanches nouvellement construit, existant ou à rénover contre des attaques par la corrosion. En effet, la surface de recouvrement (2) en un matériau synthétique thermoplastique, tel que le polyéthylène, est résistant à la corrosion et en outre efficace contre les attaques par le chlorure. Elle forme un écran protecteur hautement efficace. L'invention concerne également un procédé pour la fabrication d'un tel élément de plaque ainsi qu'un procédé pour la rénovation ou pour la protection d'un rideau de palplanches contre la corrosion.
PCT/EP2019/077301 2018-10-25 2019-10-09 Élément de plaque pour la rénovation et/ou la construction de rideaux de palplanches WO2020083642A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018126630.8A DE102018126630A1 (de) 2018-10-25 2018-10-25 Plattenelement für die Sanierung und/oder Errichtung von Spundwänden
DE102018126630.8 2018-10-25

Publications (1)

Publication Number Publication Date
WO2020083642A1 true WO2020083642A1 (fr) 2020-04-30

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PCT/EP2019/077301 WO2020083642A1 (fr) 2018-10-25 2019-10-09 Élément de plaque pour la rénovation et/ou la construction de rideaux de palplanches

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DE (1) DE102018126630A1 (fr)
WO (1) WO2020083642A1 (fr)

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US20100290843A1 (en) * 2009-05-12 2010-11-18 Cmi Limited Company System and method for installing sheet piles
WO2012060830A1 (fr) * 2010-11-03 2012-05-10 Ehsani Mohammad R Réparation et renforcement de colonnes avec des stratifiés de matière plastique renforcée par des fibres
US20130081345A1 (en) * 2011-09-30 2013-04-04 Extrutech Plastics, Inc., D/B/A Epi 04 Inc. Concrete/plastic wall panel and method of assembling

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DE19530822A1 (de) * 1995-08-23 1997-02-27 Euka Bauelemente Verkaufsgesel Verfahren zur rationellen und umweltfreundlichen Erstellung von Stützkörpern, Stützwänden, Widerlagern, Verkehrsrampen, Unterführungen, Verkehrs- und Lagerflächen im Erdbereich für Hoch- und Tiefbau
US5768851A (en) * 1997-03-26 1998-06-23 Nagaoka; Tadayoshi Structure unit
DE10136633A1 (de) * 2001-02-21 2002-09-19 Sika Ag, Vorm. Kaspar Winkler & Co Vorgefertigtes Bauelement für Gebäude
US20050210795A1 (en) * 2004-03-04 2005-09-29 Gunness Clark R Method for constructing a plastic lined concrete structure and structure built thereby
CA2681963C (fr) * 2007-04-02 2012-08-07 Cfs Concrete Forming Systems Inc. Procedes et appareil permettant de creer des revetements destines a des structures en beton
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198817A (ja) * 1984-10-19 1986-05-17 Asuku Kenkyusho:Kk 複合シートパイルを堰板として用いた地下構築物のコンクリート壁形成工法
US20100290843A1 (en) * 2009-05-12 2010-11-18 Cmi Limited Company System and method for installing sheet piles
WO2012060830A1 (fr) * 2010-11-03 2012-05-10 Ehsani Mohammad R Réparation et renforcement de colonnes avec des stratifiés de matière plastique renforcée par des fibres
US20130081345A1 (en) * 2011-09-30 2013-04-04 Extrutech Plastics, Inc., D/B/A Epi 04 Inc. Concrete/plastic wall panel and method of assembling

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