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Wymiarowanie wzmocnień geosyntetycznych platform drogowych i kolejowych

Briancon L., Villard P.

Inżynieria Morska i Geotechnika

2008

nr 2

78-86

Nowa metoda wymiarowania geosyntetyków nad powstałymi wgłębieniami platform drogowych i kolejowych uwzględniająca rozciąganie w strefach zakotwienia. Weryfikacja zaproponowanej metody badaniami w skali naturalnej. Nomogramy do wymiarowania wzmocnienia nasypu geosyntetykiem.

New method for dimensioning of geosynthetics over cavities in road and railway platforms including extension of the material in anchoring zones. Verification of the method proposed by in situ tests. Dimensioning charts for geosynthetics reinforced embankments.

Development of geodetect: a new warning system for the survey of reinforced earth constructions

Briancon L., Nancey A., Villard P.

Studia Geotechnica et Mechanica

2005

Vol. 27, nr 1-2

21-32

Survey of civil engineering works and reinforced earth structures are more and more necessary either to detect the first sign of degradation before failure or to provide the designers and owners with some information on the behaviour of their buildings. In this context, the program "Geodetect" was launched to develop a warning system based on the optical technology applied in a geosynthetic. The results of the development lead to a reinforcing geosynthetic equipped with optical fibres, offering an accurate measuring system, available for very large areas, easy to install and completed with an analysis device and a warning system which may be adapted to the client's needs. This paper will present the different steps of the validation: tests in laboratory for fine tuning of the system, a full-scale experiment to show the resistance against the damage during installation and the behaviour above a cavity and a finite element modelling.