EP2597202B1 - Mechanisch stabilisierter Erdwall aus Verbundmaterial - Google Patents

Mechanisch stabilisierter Erdwall aus Verbundmaterial Download PDF

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Publication number
EP2597202B1
EP2597202B1 EP11382366.0A EP11382366A EP2597202B1 EP 2597202 B1 EP2597202 B1 EP 2597202B1 EP 11382366 A EP11382366 A EP 11382366A EP 2597202 B1 EP2597202 B1 EP 2597202B1
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EP
European Patent Office
Prior art keywords
wall
panels
panel
connectors
strips
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.)
Not-in-force
Application number
EP11382366.0A
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English (en)
French (fr)
Other versions
EP2597202A1 (de
Inventor
Aquilino Antonio Alvarez Castro
Faiver Botello Rojas
Javier Leno granda
Bladimir O. Osorio Muñoz
Diego Gómez Cisneros
Stefano Primi
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Acciona Construccion SA
Original Assignee
Acciona Infraestructuras SA
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
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Priority to EP11382366.0A priority Critical patent/EP2597202B1/de
Priority to ES11382366.0T priority patent/ES2443536T3/es
Publication of EP2597202A1 publication Critical patent/EP2597202A1/de
Application granted granted Critical
Publication of EP2597202B1 publication Critical patent/EP2597202B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02D5/03—Prefabricated parts, e.g. composite sheet piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/02—Retaining or protecting walls
    • E02D29/0225—Retaining or protecting walls comprising retention means in the backfill
    • E02D29/0241—Retaining or protecting walls comprising retention means in the backfill the retention means being reinforced earth elements

Definitions

  • the present invention refers to the constituent elements of a mechanically stabilized wall, being such elements made of composite materials.
  • the invention is applicable to the field of civil engineering, both in public works and in housing.
  • These walls are comprised of three elements: flat pieces -i.e. panels-that make up the covering element of the contained earth mass, strips that remain embedded into the embankment, and an element that secures the connection of the strips to the panels.
  • the elements traditionally used in the construction of mechanically stabilized walls are made up of concrete and metal materials. Concrete is used in the construction of panels, and the strips are made of metal.
  • the object of the invention proposes the implementation of all the elements that together make up a mechanically stabilized wall, made of composite materials, offering characteristics of mechanical stability and a greater resistance against corrosion than those found in the current state of the art of the technique. Furthermore, these features reduce the weight of the said elements, thus facilitating their proper placement in the building site.
  • the present invention refers to the elements that conform a mechanically stabilized wall.
  • the wall object of the invention is of a mechanically stabilized type, comprising such wall at least two face panels for an earth mass to be contained, at least one strip embedded into the earth mass to be contained, at least one connector that allows for the longitudinal joint between panels, and at least one connecting profile, allowing fastening the strip to the panel.
  • the wall is characterized in that all its elements -panel, strip, connector and connecting profile- are made of composite materials consisting of a matrix to be chosen from a thermostable or thermoplastic resin and a reinforcing agent in the form of yarns and fabrics of a material to be chosen from fiberglass, carbon, basalt or polyparaphenylene terephthalamide.
  • the panels have a flat shape, with at least one through hole on the inside, with vertical sides that form the visible area of the wall and certain internal ribs that connect the opposite sides of the panel.
  • first one in which the through hole in the panels is vertically oriented
  • second one in which the through hole in the panels is horizontally oriented
  • the strips have a flat geometry, in which two dimensions are predominant over a third one.
  • a cut that allows the connection to a connecting profile is included at one end of the strip.
  • the connecting profiles attaching the wall to the strips have "T"-shaped profiles, with the wing of the "T"-shaped profile being thicker in the central area than at the ends.
  • the panels that make up the wall include connecting profiles in their configuration, with each panel and connecting profile forming a single piece.
  • the panel includes the connectors in a horizontal tongue and groove system, with a male part and a female part of the connector co-forming the panel, thus forming both parts a single piece.
  • the horizontal tongue and groove joint of the panels may have different shapes, in one of them the male part is circular and the female part is shaped as a hook, in another one the male part is "T"-shaped whereas the female is square.
  • the panels In the second embodiment of the wall, one in which the through hole is horizontally laid, the panels have a vertically tongue and groove system, consisting of a flange and a recess.
  • the connectors are stand-alone pieces, independent from the panels; thus, the connection between the strips and the panels is made by means of such connectors, and the strips are fastened to the connectors by means of the connecting profiles.
  • connectors and connecting profiles in which both are a single piece including an "H"-shaped profile that is the connector and a "T"-shaped profile, which is the connecting profile, wherein the core of the "T"-shaped profile is set next to the core (i.e. as a continuation of) the "H"-shaped profile.
  • a different embodiment of this embodiment of profiles and connectors is --done- by forming an integral single piece in which the connecting profiles are independent elements attached to the connector by means of an adhesive, in order to form the aforementioned integral single piece.
  • the construction procedure of the wall defined above consists of the following steps:
  • Mechanically stabilized walls are made up of four main elements: a panel (2), a connector (3), a connecting profile (27) and a strip (6).
  • the panels (2) serve no major structural function, but they ensure local stability of the wall (1) area, they prevent the loss of loose soil from the embankment (9) behind the face of the wall (1), and improve the aesthetic value of the earth wall execution (1).
  • the function performed by the panels (2) is the absorption of the landfill (20) thrusts, by transmitting these thrusts to the strips (6). For a successful and smooth transmission of thrusts, we need to structurally check the panels (2), thus ensuring the integrity of the panels (2) and the local stability of the wall (1).
  • the connectors (3) are elements that join panels (2) together in the longitudinal direction of the wall (1).
  • the connectors (3) are replaced by a horizontal tongue and groove system having a great variety of shapes.
  • the connectors (3) include the connecting profiles (27), which are used to connect a connector (3) to a strip (6).
  • the contour of the connectors (3) and the connecting profiles (27) has two possible shapes: in a first one the connector (3) and the connecting profile (27) is the same piece, thus engaging the strip (6) in the connecting profile, (27) and, in a second one, the connecting profile (27) is a separate piece from the connector (3), which is fastened to the said connector (3) by means of an adhesive (21).
  • the strips (6) are elements used for reinforcement (1) and through the friction generated between them and the soil mass, by means of some surface corrugations included in the strips (6), they increase the stability of the wall (1).
  • the resulting effect is analogous to that of increasing soil cohesion: the thrust exerted by the earth mass is counterbalanced by the frictional forces over the surface of the strip (6).
  • the constituent elements of this invention i.e. the panels (2), connectors (3), connecting profile (27) and strips (6), are made of composite materials made from thermoplastic or thermostable polymers, reinforced with fibers, in the form of yarns and fabrics made of materials such as: glass, carbon, polyparaphenylene terephthalamide, basalt, or others with similar characteristics.
  • the strips (6) have dimensions of 10 cm in width, a thickness of 5.5 mm and variable length.
  • the surface of the strip (6) is pre-treated with either a "peel-ply" surface treatment -i.e. an adhesive, tightly-woven fabric that is laid-up on the outermost surfaces of the composite material in order to increase its roughness- or, with the application of some presses in the last stage of the manufacturing process of the strips (6), so that the strips (6) have certain corrugations of several millimeters in thick on their surface.
  • a "peel-ply” surface treatment i.e. an adhesive, tightly-woven fabric that is laid-up on the outermost surfaces of the composite material in order to increase its roughness- or, with the application of some presses in the last stage of the manufacturing process of the strips (6), so that the strips (6) have certain corrugations of several millimeters in thick on their surface.
  • Figure 1 shows the plan view of a first embodiment of a mechanically stabilized wall (1), with a configuration such that the panel (2) incorporates a horizontal, tongue and groove system.
  • This figure shows the shape and dimensions of the panels (2) according to an embodiment; there are some rectangular panels (2) of 1200 mm in height, 900 mm in width, and 80 mm in thickness.
  • the interior of the panel (2) is hollow (12), leaving a laminate thickness in the side (11) of the panel (2) of 4 mm.
  • the through holes (12), according to this first embodiment, are vertically laid according to the mounting direction of the panel (2).
  • connecting profiles (27) incorporated into the panel (2) through the inner part of the wall (1), and laid perpendicularly to the panel (2), as some continuous profiles extended along the full height of the panel (2). So that when the wall (1) is completed, the connecting profiles (27) become embedded within the embankment (9) supported by the wall (1). At different heights of the connecting profile (27), the strips are mounted (6); these strips are embedded in the embankment (9), when the wall (1) reaches its final height. There are several possibilities to organize the panels (2) in this way, since they incorporate a greater or lesser number of connecting profiles (27), arranged along the full length of the panel (2).
  • the shape of the connecting profiles (27) in this embodiment is a "T"-shape.
  • the T wing (13) is the area of the connecting profile (27) that connects to the strip (6), thus being the core of the connectors (3) perpendicular to the panel (2).
  • the dimensions of the aforementioned connecting profiles (27) are the ones detailed here: the thickness of the T wing (13) varies from 7 mm in the T wing tip (131) up to 16 mm in the central area of the T wing (132); the said T wing (13) is symmetrical and has a total length of 50 mm (with two symmetrical parts of 25 mm), the T core (14) has a thickness of 8 mm and a length of 28 mm.
  • Details 2 and 3 of Figure 1 show the horizontal tongue and groove system that serves to connect panels (2) to each other, according to this embodiment of the invention.
  • the system comprises, at one end of the panel (2), a male connector (4) of circular type -which, according to this embodiment, has a maximum radius of 28 mm- and, at the opposite end, a female connector (5) in the form of a clamp or hook, as appropriate -which, according to the same embodiment, has a radius of 29 mm-.
  • the male part (4) is "T" shaped and the female part (5) is a square clamp that embraces the "T"-shaped male part (4).
  • This variation of horizontal tongue and groove is reflected in Figure 3 .
  • Figures 11 , 12 and 13 show other embodiments of the horizontal tongue and groove system.
  • the male part (4) is circular in shape but different to each other in the size of the circular piece and in the shape of the panel (2) in areas close to the male (4) and female (5) parts.
  • the panel (2) in those areas where the horizontal tongue and groove elements are located, is triangular in shape, according to a plan view, with the tongue and groove elements at a vertex of the triangle.
  • the panel (2) is square, ending in the circular element that makes up the male part (4).
  • the tongue and groove elements are outwardly oriented, in the case of the male part (4), and incorporated into the inner part of the panel (2) in the case of the female part (5).
  • the female part (5) consists of a single circular appendage (25), which allows for the placing of panels (2) at 90° between them.
  • the apex of the panel (2) on which the male part (4) is placed has a channeling (26) wherein the end area of the circular appendix (25) of the female part (5) is inserted, when the panels (2) are mounted perfectly aligned.
  • Figure 2 shows a perspective view of a panel (2) according to the embodiment of Figure 1 of the wall (1), with a sectioned panel (2), a connecting profile (27) included in the panel (2) and a sectioned strip (6), already placed in the connecting profile (27).
  • Figure 4 shows a different embodiment of the wall (1), in which the connectors (3) are independent pieces with a double function.
  • Figure 4 shows the connectors (3) including the connecting profiles (27) in the same piece, thus serving to both connect the panels (2) to each other and connect the strips (6) to the panels (2) Connoctors (3) are manufactured by means of a pultrusion process.
  • the strips (6) do not vary with respect to the other embodiment.
  • Figure 5 shows a perspective view of a connector (3) with the connecting profile (27) included, one of those used in the execution of the wall (1) according to the embodiment seen in Figure 4 .
  • the section of the connector (3) (shown in Figure 6 ) has an "H"-shaped profile and the section of the connecting profile (27) has a "T"-shaped profile.
  • the shape of the integral piece formed by both profiles is defined as being the core of the "T"-shaped profile (14) a continuation of the core of the "H"-shaped profile (16).
  • the dimensions of the profile resulting from the joining of the connector (3) and the connecting profile (27) of Figure 6 are as follows: in the "H"-shaped profile, the core (16) has a section of 6 mm in thickness in the central area (161), which increases up to 10 mm in the 8 mm closest to the wings (15) of the "H"-shaped profile, being the total length of the core (16) 80mm.
  • the wings (15) of the "H"-shaped profile are symmetrical with regard to the center of the core (16), showing a thickness of 6 mm at the 12 mm outermost tips (151) of the wing (15), increasing such thickness up to 8 mm in its central area (152), towards the axis of symmetry of such wing (15), the total length of the wing (15) is 50 mm (two symmetrical parts of 25 mm each).
  • the "T"-shaped profile is positioned so that the core (14) of the "T"-shaped profile is a continuation of the core (16) of the "H"-shaped profile.
  • the "T"-shaped profile has a core (14) of 8 mm thick and 28 mm length, and a wing (13), symmetric about the core (14), whose thickness ranges from 6 mm at the tip (131) to 16 mm in the central area (132), having a central area (132) of 8 mm, i.e. 4 mm on each side of an axis of symmetry originated at the center of the core (14) of the "T"-shaped profile, with a constant thickness of 16 mm.
  • the 10 mm in thickness that the wing (13) in the T increases, are increased in 21 mm along the path in the aforementioned T wing (13).
  • the total length of the wing (13) of the "T"-shaped profile is 50 mm (25 mm on each side of said axis of symmetry).
  • Figure 7 shows a plan view at the connection between a connecting profile (27) and a strip (6).
  • the strip (6) shows a T-shaped cut (10) at the end of the strip (6) that facilitates the connection between the strip (6) and the connecting profile (27) formed by a "T" shaped profile.
  • the geometry of the strip (6) is a flat geometry, such that two of its dimensions are predominant over the third dimension.
  • Figure 14 shows a Wall constructed with panels (2) according to the second embodiment, in particular with the panels (2) that appear in Figure 13 , however that embodiment is valid for walls built with any panel (2) having embedded connecting profiles (27), with different embodiments of the horizontal tongue and groove that are reflected in Figures 11 and 12 .
  • Figure 15 shows a different configuration of the assembly piece made up of by a connector (3) and a connecting profile (27), in which the connecting profile (27) is a not a "T"-shaped profile continuous throughout the length of the connector (3), but a "G"- or “C”-shaped profile that is fixed by an adhesive (21) in the position wherein a strip (6) is going to be placed on the outside area of one of the wings (15) of the "H"-shaped profile making up the connectors (3).
  • This embodiment is limited to loading conditions supported by the adhesive (21) used to fix the connecting profiles (27) to the connector (3).
  • the characteristics of the adhesive (21) used for fixing the connecting profiles (27) to the connector (3) are: a minimum tensile strength of 70 MPa and a minimum shear strength of 10 MPa.
  • the panels (2) require independent connectors (3) for their longitudinal joint
  • the panels (2) have a vertical tongue and groove system to vertically connect the various panels (2), consisting of the existence of a flange (17) and a recess (18) at both the top and the bottom of the panel (2), respectively.
  • a sectional view of the panel (2) of this embodiment is reflected in Figure 8 .
  • the panels (2) have at least one through hole (12) therein, contributes to them being so lightweight, and allows for the manual placement of the panels (2) that make up the wall (1) during the construction of the wall (1), thus being it indispensable the participation of workers capable of handling the panels (2), and not requiring the use of machinery for the placement of said panels (2).

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Finishing Walls (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Claims (15)

  1. Mechanisch stabilisierte Wand (1) mit:
    - mindestens zwei sich gegenüberliegenden Füllwänden (2) für eine aufzunehmende Erdmasse,
    - mindestens einer Leiste (6), die in die aufzunehmenden Erdmasse eingebettet ist,
    - mindestens einem Verbinder (3), der das Verbinden der Füllwände (2) in Längsrichtung ermöglicht, und
    - mindestens einem Verbindungsprofil (27), welches die Verbindung zwischen der Leiste (6) und der Füllwand (2) ermöglicht,
    dadurch gekennzeichnet, dass
    - die Füllwände (2), die Leiste (6), der Verbinder (3) und das Verbindungsprofil (27) aus Verbundwerkstoffen hergestellt sind bestehend aus einer Grundsubstanz ausgewählt aus entweder wärmebeständigen oder thermoplastischen Harzen und einem Verstärkungsmittel in Form von Garnen oder Geweben aus einem Material gewählt aus Fiberglas, Karbon, Basalt oder Polyparaphenylenterephthalamid,
    - die Füllwände (2) flach sind und mindestens ein Durchgangsloch (12) aufweisen, wobei senkrechte Seiten (11) den sichtbaren Bereich der Wand (1) darstellen, und innere Rippen (7) die gegenüberliegenden Seiten (11) der Füllwand (2) miteinander verbinden.
  2. Wand (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Leisten (6) eine flache Gestalt aufweisen, wobei zwei Dimensionen gegenüber der dritten prädominant sind, wobei die Leisten (6) an einem Ende einen Schnitt (10) aufweisen, der die Verbindung mit einem Verbindungsprofil (27) ermöglicht.
  3. Wand (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Durchgangsloch (12) in den Füllwänden (2) vertikal orientiert ist.
  4. Wand (1) nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, dass die Verbindungsprofile (27) "T"-förmig sind, wobei der T-Flügel (13) im mittleren Bereich (132) dicker ist als an den Spitzen (131).
  5. Wand (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Füllwand (2) die Verbindungsprofile (27) in ihrem Aufbau umfasst, wobei die Füllwand (2) und die Verbindungsprofile (27) einstückig ausgeformt sind.
  6. Wand (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Füllwand (2) die Verbinder (3) in ihrem Aufbau umfasst, als ein horizontales Nut-und-Feder-System, wobei die Füllwand (2) und die Verbinder (27) einstückig ausgeformt sind.
  7. Wand (1) nach Anspruch 6, dadurch gekennzeichnet, dass das horizontale Nut-und-Feder-System einen männlichen Teil (4) mit kreisrunder Form und einen weiblichen Teil (5) in Form eines Hakens aufweist.
  8. Wand (1) nach Anspruch 6, dadurch gekennzeichnet, dass das horizontale Nut-und-Feder-System einen männlichen Teil (4) in Form eines T's und einen weiblichen Teil (5) mit quadratischer Form aufweist.
  9. Wand (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Durchgangsloch (12) in den Füllwänden (2) horizontal orientiert ist.
  10. Wand (1) nach Anspruch 9, dadurch gekennzeichnet, dass die Füllwände (2) ein vertikales Nut-und-Feder-System aufweisen.
  11. Wand (1) nach den Ansprüchen 9 und 10, dadurch gekennzeichnet, dass das vertikale Nut-und-Feder-System der Füllwände (2) einen Flansch (17) und einen Rücksprung (18) aufweist.
  12. Wand (1) nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die Verbinder (3) von den Füllwänden (2) unabhängige Teile sind, wobei die Verbindungsteile zwischen den verschiedenen Füllwänden (2) angeordnet sind und die Leisten (6) mit den vorgenannten Verbindern (3) durch die Verbindungsprofile (27) verbunden sind.
  13. Wand (1) nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass die Verbinder (3) und die Verbindungsprofile (27) ein einziges Teil bilden, das ein "H"-förmiges Profil bildet, welches der Verbinder (3) ist, und ein "T"-förmiges Profil, welches das Verbindungsprofil (27) darstellt, wobei der Kern (14) des "T"-förmigen Profils in unmittelbarer Nähe des Kerns (16) des "H"-förmigen Profils positioniert ist.
  14. Wand (1) nach einem der Ansprüche 9 bis 13, dadurch gekennzeichnet, dass die Verbindungsprofile (27) unabhängige Elemente sind, die an dem Verbinder (3) mit einem Kleber (21) befestigt sind, um ein einziges Stück zu bilden.
  15. Verfahren zum Bilden einer mechanisch stabilisierten Wand (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass es folgende Schritte aufweist:
    A. Vorbereiten des Bodens, auf dem die Wand (1) errichtet wird, Graben und Vorbereiten eines Bereichs für einen Ausgleichsestrich (19), auf dem die Wand (1) angeordnet wird,
    B. Zusammensetzen einer ersten Reihe von Füllwänden (2) auf dem Ausgleichsestrich (19),
    C. Ausbreiten und Verdichten einer ersten Schicht eines Füllmaterials (20) in der Auffüllung der Wand (1),
    D. Plazieren einer ersten Reihe von Leisten (6) nach dem Verfestigen der ersten Schicht Füllmaterial (20),
    E. Fortsetzen des Ausbreitens und Verdichtens der Schichten, wodurch die Höhe der Füllung (20) erhöht wird, und wodurch somit, wenn die Höhe der Füllung (20) weiter steigt, ein Damm (9) gebildet wird, wo die Füllwände (2) angeordnet sind, wodurch die Wand (1) gebildet wird, und die Leisten (6) in Vertikalrichtung in einem vorgegebenen Abstand voneinander angeordnet sind.
EP11382366.0A 2011-11-28 2011-11-28 Mechanisch stabilisierter Erdwall aus Verbundmaterial Not-in-force EP2597202B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11382366.0A EP2597202B1 (de) 2011-11-28 2011-11-28 Mechanisch stabilisierter Erdwall aus Verbundmaterial
ES11382366.0T ES2443536T3 (es) 2011-11-28 2011-11-28 Muro de tierra armada mecánicamente estabilizado realizado en material compuesto

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11382366.0A EP2597202B1 (de) 2011-11-28 2011-11-28 Mechanisch stabilisierter Erdwall aus Verbundmaterial

Publications (2)

Publication Number Publication Date
EP2597202A1 EP2597202A1 (de) 2013-05-29
EP2597202B1 true EP2597202B1 (de) 2014-01-08

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EP11382366.0A Not-in-force EP2597202B1 (de) 2011-11-28 2011-11-28 Mechanisch stabilisierter Erdwall aus Verbundmaterial

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ES (1) ES2443536T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1040465C2 (nl) * 2013-10-23 2015-04-29 Voorbij Funderingstechniek B V Dijklichaambeschermingsconstructie, element voor een dijklichaambeschermingsconstructie, werkwijze voor het aanbrengen van een dijklichaambeschermingsconstructie in een dijklichaam.
EP3362607B1 (de) * 2015-10-13 2022-08-17 Armour Wall Group Pty Ltd Wallsystem für bodenrückhaltung
CN113833297B (zh) * 2021-09-10 2023-03-24 上海建为历保科技股份有限公司 一种用于镬耳夯土墙纠偏的加固装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU9525298A (en) * 1997-10-16 1999-05-10 Durisol Inc. Anchored retaining wall system
PT9601U (pt) 2000-03-10 2003-03-31 Risto Juhani Maekipuro Parede de retencao de terras
US7025539B2 (en) * 2003-08-21 2006-04-11 Cmi Limited Company Sheet pile for forming barrier walls
US20050053429A1 (en) * 2004-02-25 2005-03-10 Davidsaver John E. Modular retaining wall
US7628570B2 (en) * 2004-02-25 2009-12-08 Trueline, LLC Modular retaining wall
FR2870267B1 (fr) * 2004-05-11 2006-07-07 Joseph Golcheh Un nouveau concept d'accrochage de renforts en treillis soude au parement d'un mur de soutenement moyennant une boite de connexion
JP4024279B1 (ja) 2006-08-25 2007-12-19 前田工繊株式会社 繊維製アンカーベルトを備える土留めブロック

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ES2443536T3 (es) 2014-02-19

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