Terre Armee Internationale

Freyssinet International (stup)

Soletanche Freyssinet

Institut Francais Des Sciences Et Technologies Des Transports, De L'amenagement Et Des Reseaux

Terre Aremee Internationale

Nicolas Freitag

Jean-Claude Morizot

Gilles Berard

Jerome Stubler

Gilles Hovhanessian

Frédéric Taillade

Yassine Bennani Braouli

Marc Turpin

Philippe Charbonnier

Yassine Bennani

Eric Lucas

Jean Claude Morizot

Louwtjie Maritz

Kako Nait-ali

Disclosed is a device for containing granular elements, comprising a metal mesh panel having metal wires welded together, the panel comprising at least one curvature of a first orientation and at least one curvature of a second orientation, the first orientation being characterized by a first axis and the second orientation being characterized by a second axis, the first axis and the second axis being non-collinear.

Device for containing granular elements

Moulding insert () for a mould manufacturing a concrete facing block () for a reinforced-ground structure (), said reinforced-ground structure comprising a facing formed by such facing blocks and a fill in which reinforcements connected to the facing are installed, the moulding insert () comprising a shell (), delimiting a general space of a connection connecting a reinforcement () to the facing block, a core envelope () obtained by moulding the shell separately, the shell having a first lateral face () pierced with a first orifice (), in which a first end portion () of the core envelope is fitted, characterised in that the core envelope is in the general form of a truncated cone.

Moulding insert and facing block with such an insert

A method for monitoring a civil engineering construction including a first metal reinforcement and a reference conductor element. The first metal reinforcement and the reference conductor being separated by dielectric material and each having a first end that is electrically accessible. The method including injecting an incident electrical signal which is applied differentially between the first ends of the first reinforcement and of the reference conductor element collecting reflected signals returning along the conductors in return, and analyzing the reflected signals by comparing them against reference signals in order to determine any potential structural defect in the first reinforcement.

Method and system for monitoring a civil engineering construction

An enclosing structure () comprising a backfill () and a roof (), wherein the roof rests on the backfill and is attached to it.

Enclosing structure and associated assembly and disassembly methods

A facing element for reinforced soil structures and method of using same to build a reinforced soil structure, the facing element including a first facing sub-element with at least one connecting member to connect at least one reinforcement member to said first facing sub-element, a second facing sub-element, and a linking device. Wherein said first and second facing sub-elements are separated by a gap and are linked together by the linking device such that the first and second facing sub-elements have a constant relative position.

Facing element with integrated compressibility and method of using same

The invention relates to a building including a facing, a backfill at the back of the facing, synthetic reinforcement strips distributed in the backfill, and a connection system between the reinforcement strips and the backfill. The connection system includes fasteners having the shape of a continuous closed loop, each including two first portions for hooking to the facing and, alternating with the first portions along the closed loop shape, two second portions extending towards the back of the facing where they are folded back to form two loops inside of which at least one reinforcement strip extends.

Building with reinforced ground

A facing element () for reinforced soil structure comprising: &#x2014;first face () comprising at least a connecting member () configured to connect to said facing element at least one reinforcement member intended to reinforce the reinforced soil, &#x2014;a second face () on which at least a protective membrane is intended to be applied, said second face is opposed to the first face, said second face has an essentially plane surface and comprises at least a fixing portion, the fixing portion comprising: &#x2014;a contact surface () projecting from the plane surface of the second face, &#x2014;a fastening element () anchored in the facing element and&#x2014;a tightening element () engageable with the fastening element so as to fix the protective membrane between said tightening element and said contact surface.

Facing element for reinforced soil structure

The invention relates to a flexible strip () for a civil engineering structure, that can extend longitudinally along a longitudinal axis and comprises at least one optical fiber () enabling a structure to be localized and measured in terms of deformation and/or temperature, where said optical fiber () is essentially arranged along the longitudinal axis and is surrounded by an at least partially reinforced thermoplastic polymeric matrix of continuous reinforcement fibers (), essentially along the longitudinal axis, and where the mass quantity of continuous reinforcement fibers extending essentially along the longitudinal axis, WCF, is higher than, or equal to, ten times the mass quantity of optical fiber(s), WOF. The invention also relates to metrology devices and associated methods.

Flexible strip comprising at least one optical fibre for carrying out deformation and/or temperature measurements

A civil engineering work () comprising a front face (), a facing () having a back surface () and a front surface () that is substantially the same as said front face () of the work, a fluid-tight covering () on the back surface, a fill () arranged behind said fluid-tight covering (), and an anchoring device () ensuring a mechanical linkage between the facing () and the fill (), with said facing () comprising a cavity () inside of which a portion of the fluid-tight covering () is arranged to form a recessed space into which is inserted an anchoring element () that is a part of said anchoring device (), and a method for implementing such a work.

Continuous fluid tightness for a civil engineering work

The invention relates to reinforced structures in the ground, including an embankment, a facing () placed along the front surface of the structure, an anchoring element () including a projecting element (), which projects relative to an inner surface of the structure and an attachment element (), and a stabilization element () including at least two longitudinal portions () continuously connected together by an elbow portion (), said elbow portion being delimited by a throat () forming, together with said elbow portion, an anchoring space suitable for receiving the attachment element of the anchoring element, the anchoring space and the attachment element being shaped so as to limit the movement of the stabilization element in every direction substantially parallel to the longitudinal direction of the stabilization element ().

Reinforced structures in the ground

The invention relates to a method for modifying a reinforced soil structure, said structure comprising: a fill, a first facing including an outer face defining the front face of the structure, and at least one stabilization element connected to the first facing and extending in a reinforced area of the fill located behind the front face of the structure, the modification method including the steps of arranging a second facing along the outer face of the first facing, disconnecting the stabilization element from the first facing, connecting the stabilization element  to the second facing.

Method for modifying a reinforced soil structure

A reinforced soil structure including a fill (), a facing () placed along a front face of the structure, at least one main reinforcement member () connected to the facing and extending through a first reinforced zone (Z) of the fill situated behind the front face, and at least one secondary reinforcement member () disconnected from the facing and extending from the facing in a second reinforced zone (Z) of the fill, which has, with said first reinforced zone (Z), a common part (Z'), wherein the secondary reinforcement member () extends into the fill () up to a distance substantially shorter than the main reinforcement member (), with respect to the front face and wherein the stiffness of the secondary reinforcement member () is lower or equal to the stiffness of the main reinforcement member ().

Reinforced soil structure

The invention relates to a structure including a fill (), reinforcing strips (), and facing (), the reinforcement strips () being anchored to the facing (). The facing incorporates a path formed for a reinforcement strip () between two emergence points (PE, PE) that are located at the back surface () of the facing, wherein the path comprises: two adjacent portions () that are placed so as to position each strip within an emergence plane (P, P); two curved portions () provided as extensions of the two adjacent portions () and arranged so as to deviate the strip out from the emergence planes (P, P); and a connecting portion connecting together the two curved portions (). In the structure, both emergence planes (P, P) are distinct and separated by a physical separator, and the connecting portion includes at least one loop () located outside the emergence planes (P, P) and outside the space between said emergence planes. The invention also relates to a related facing element.

Reinforced ground structure, and siding elements for constructing same

Link device () between a facing element () of a reinforced ground construction work () and a longitudinal reinforcement (), intended to extend in a backfill (), which comprises a portion () for fixing to the facing element (), two connecting portions (), of which a first end of each of them is linked to a point of the fixing portion (), in which a second end of each connecting portion is linked to a first end of a first and of a second return portion (), in which the return portions () are substantially parallel to one another and in which a second end of each of the return portions is linked to a securing segment () substantially perpendicular to the return portions ().

Connection device for a reinforced earth structure and related structure and method

The facing element for a stabilized soil structure comprises a body of cast material inside which a path is formed for a reinforcement strip between two points of emergence situated on a rear face of the element. This path includes two rectilinear portions which are respectively adjacent to the two points of emergence and are each arranged so as to position the strip in the same plane of emergence perpendicular to the rear face, two curved portions which respectively continue the two rectilinear portions and are arranged so as to deviate the strip from the plane of emergence, and a connection portion which joins the two curved portions to one another and has at least one loop situated outside the plane of emergence.

Growing community of inventors

Orsay, France

Nicolas Freitag