Evenness

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The Vectra non-intrusive measurement vehicles to control or measure the evenness of infrastructures : roads, bridges, structures, runways, taxiways, highways, etc.

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APL
NF 98 218-3 ISO 8608 EN 13036-6 :2008
Continuous measure of the longitudinal evenness
The APL, an mlpc vehicle which meets the criteria of the NF 98 218-3, ISO 8608 and EN 13036-6:2008 standards, is used for the following applications:
The APL -profilometer- system allows the continuous measure of the longitudinal evenness of road carriageways and aeronautical runways and, more generally, of any lane used by motor vehicles, whatever the structure of the carriageway and the nature of its overlaying.
The measure is based on a survey of the longitudinal profile of the pavement, in one or two traces: the analysis of this profile makes it possible to deduce the evenness characteristics of the pavement surface.
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MLPL — MLPL
NF P 98-218
Continuous measure of the longitudinal evenness
The MLPL is a vehicle for pavement condition survey that meets the criteria of standard NF P 98-218 will be used for the following applications:
The MLPL system is a non-contact longitudinal profile measureing device co-developed by VECTRA, now NextRoad Engineering and IFSTTAR (formerly Laboratoire Central des Ponts et Chaussées). This laser profilometer can be integrated into a single or multi-function vehicle (and is APO compatible). Its metrological qualities are equivalent to those of the APL profilometer. As such, the MLPL is – like the APL profilometer- approved for the acceptance of wearing courses after construction. The measure can be carried out at a speed between 36 and 130 km/h, on dry or slightly wet roads.
The system can integrate the measurement of the macrotexture.
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UNIBOX-NextRoad — Unibox V
Portable longitudinal profile analysis
The UNIBOX-V is a simple, compact and inexpensive system capable of characterizing the longitudinal profile of a road infrastructure. It is used for the following applications:
Measurement of the International Roughness Index
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