Idiomas:
GEOTESAN CR is a nonwoven geotextile filament 100% virgin polypropylene mechanically joined by a process of soreness. It is used to increase the time of occurrence of cracks in road resurfacing or other road to create an intermembrane between the old pavement and the new layer of plywood.
The appearance of fissures and cracks in the upper layers of the roads is one of the most worrying problems that technicians roads, especially those caused by the reflection surface shrinkage cracks in hydraulic and / or of the lower thermal treated with hydraulic binders, the firm's own mixed or semi-rigid, so prevalent in our country. These cracks are reflected not only an aesthetic problem but, above all, an easy way for the entry of water into the lower layers of the pavement, causing degradation affecting the surface roughness and, therefore, to comfort and traffic safety , and, more importantly, to produce a decrease in the bearing capacity of the lower layers, subbase and esplanade, reducing considerably the service life of the pavement.
One system that offers effective ma modern road technology to address these problems is the use of interposition membrane, placed between the bracket cracked and new asfatica mixing layers, significantly delayed the appearance of cracks on the surface. These membranes include geotextiles impregnated with asphalt emulsion modified bitumen.
The effectiveness of the system has been analyzed by Regional Laboratory tests for des Ponts et Chaussées d'Autun, center specializing in the study of systems of cracks antirremonte. The assay used by this laboratory was to continue the ascent of a crack through the complex of a system to delay the appearance of cracks on the surface and a surface layer. Specimens representative of each facility are subjected, in conditions of constant temperature (5 ° C) to two simultaneous requests.
Significantly over the old floor plan or milling, is irrigated with a bituminous emulsion having 1.1 Kg / m² of residual bitumen. On this emulsion extends the geotextile is completely impregnated with brushes and paste the old pavement due to the emulsion. Then you can go above the paver for the placement of the new conglomerate.
Significantly over the old floor plan or milling, is irrigated with a bituminous emulsion which has 1.1 kg / mde residual bitumen. We recommend the use of modified bitumen emulsions that have a low thermal susceptibility, penetration strongly positive, high elasticity and high plasticity index.
On this emulsion extends the geotextile is completely impregnated with brushes and paste the old pavement due to the emulsion. The choice of one kind or another geotextile is solved according to the degree of cracking, porosity of the old pavement, moisture and temperature. The application of the system prevents the lift from the new pavement cracks and get stop the deterioration of the structure of the firm to act as a waterproofing membrane against all types of leaks.
Then you can go above the paver for the placement of the new conglomerate.
The affinity of the emulsion with the geotextile, as well as those with the support and the new asphalt layer ensures excellent system performance and ensures the absorption of the movements of the cracks, preventing the reflection of these in the new pavement.