EQUITER SYSTEM MSE WALL – CONCRETE PANELS AND GEOGRIDS
OUR PATENTED SYSTEM – CONCRETE PANELS AND GEOGRIDS
OUR PATENTED SYSTEM – CONCRETE PANELS AND GEOGRIDS
Equiter system MSE walls
The EQUITER® system is an innovative process for the construction of reinforced soil structures by mean of insertion of synthetic armatures. The soil reinforcement technique, consisting in the insertion of armatures comprising both metallic and polymeric bands, deployed in horizontal layers within the ground and anchored to the external retaining wall, either vertical or slanted, is well known in the geo-technical engineering field and several systems based on this principle have been developed.
The EQUITER® system differs from other armature systems (metal bands or strips conventionally used) in its use of synthetic, bi-directional armatures in the form of geogrids.
(Italian Patent N. 1333029. The uniqueness of the EQUITER® system is in its use of geo-grids as armature elements. In reinforced soil, retaining wall structures as those examined here, the EQUITER® system geo-grids allow for the within-ground reinforcement to be more uniform, and give that reinforcement a more effective action when compared to that given by discrete strip or band anchorage systems. This is due to the presence of transverse lines, running parallel to the retaining wall, which noticeably improve the anchorage characteristics, thus increasing the armatures’ resistance to separation from the soil.
The Equiter® soil reinforcement system is totally composed of prefabricated elements, quick and easy to install, that together with fill-in soil of specific characteristics forms the structure.
The system can be used in several fields of application such as:
√ Support walls
√ Settling of slopes
√ Architectural barriers
√ Industrial works
√ Motorway platforms
√ Railway platforms
Of course the functioning principle of the main body as well as the following installation instructions remain valid for every application, varying case by case the environmental conditions and consequently the accessory works. Also, from the building point of view, the Equiter system is easier and quicker to carry out. The external containment wall can also reproduce several architectural motifs playing with the decorative elements and using its components as a mosaic.
MAIN ADVANTAGES OF THE SYSTEM:
Simplicity and speed of assembly operations thanks to the conformation of the reinforcements and to the efficiency of the anchoring systems to the panels. In fact, after the laying of a layer of geogrid, which reaches the building site wrapped in rollers and which must only be unrolled by spreading it on the ground, and after its connection to the appropriate anchors on the back of the panel, the reinforcement roll remains continuous and it is brought to the upper level as the earth layer increases, to the next anchorage point.
In other words, the system allows the use of the same armor to achieve, with a single operation, two or more consecutive levels of internal reinforcement, without the need to bring several separate elements into the site.
High ground anchoring capacity: as widely described above, the two-dimensional structure of the reinforcement, combined with a lower ground thrust thanks to the dynamic interlocking phenomenon, allows to obtain an anchoring capacity to the ground as well as a greater resistance to the extraction considerably greater compared to that guaranteed by other systems with discrete or punctual reinforcements.
Less susceptibility to changes in the mechanical characteristics of the earth to be detected: The high ground anchoring capacity of bidirectional reinforcements made up of geogrids allows the use of a wider range of filling terrains and / or a reduction of the overall dimensions of the reinforcements on the back of the artifacts. The resistance of the reinforcements to aggressive environments allows the use of the Equiter technology in combination with stabilization interventions of the survey with lime or cement, further extending the range of land that can be used for the construction of the embankment.
Increased durability: The use of synthetic geogrids as a reinforcement system guarantees the long-term performance of the elements even in chemically very aggressive environments. The reinforcements made of metal strips, while presenting good mechanical characteristics and developing sufficient friction, have often manifested corrosion problems, especially in the presence of aggressive environments or stray currents. Due to the non-uniform nature of the corrosive phenomena, these drawbacks are, however, difficult to manage with sacrificial thicknesses or galvanizing layers. Furthermore, the protection with zinc bath is considerably reduced during the lifetime of the work, even if there are no defects in the galvanizing bath or mechanical damage during installation, which would result in an early damage;
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