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EPREUVE PERCEMENT [1 record]
Record 1 - internal organization data 1991-03-06
Record 1, English
Record 1, Subject field(s)
- Engineering Tests and Reliability
- Strength of Materials
- Soil Mechanics (Engineering)
Record 1, Main entry term, English
- puncture resistant
1, record 1, English, puncture%20resistant
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Rammer test.... A test for investigating the resistance of a geotextile to puncturing by falling stones has been developed by the Bundesanstalt fur Wasserbau ... in Germany. This test is carried out with a special 30 kg rammer.... The rammer test is carried out with a fall height of 2.0 m or 1.0 m depending on the stone to be used in the construction. The geotextile is placed on a layer of compacted sand and kept in place by means of a 170 kg concrete ring. Three tests are carried out in the machine, cross and diagonal direction of the geotextile. A geotextile is considered to be puncture resistant in this test if all the tests carried out show no puncturing, Each test is carried out on a new specimen. 1, record 1, English, - puncture%20resistant
Record 1, French
Record 1, Domaine(s)
- Fiabilité, contrôle et essais (Ingénierie)
- Résistance des matériaux
- Mécanique des sols
Record 1, Main entry term, French
- à l'épreuve du percement
1, record 1, French, %C3%A0%20l%27%C3%A9preuve%20du%20percement
proposal, see observation
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Percement. Cette caractéristique résulte de la concentration d'une sollicitation mécanique qui peut être engendrée soit à vitesse lente, soit à vitesse rapide (effet dynamique). Le percement d'une nappe est complexe à analyser, car il dépend d'un grand nombre de paramètres que l'on maîtrise difficilement (vitesse d'impact, forme du poinçon ou du projectile). On recense trois types de processus de percements différents qui aboutissent à une altération du géotextile: perforation (coupure), poinçonnement (effet de compression), éclatement (mise en pression localisée). Expression du résultat: selon la méthode d'essai, le percement s'exprime sous forme d'une dimension géométrique, d'une force ou d'une pression.. 2, record 1, French, - %C3%A0%20l%27%C3%A9preuve%20du%20percement
Record 1, Spanish
Record 1, Textual support, Spanish
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