English: "index" testFrench translation: essai index 
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English to French translations [PRO]
Tech/Engineering - Materials (Plastics, Ceramics, etc.) / Geosynthetics | | English term or phrase: "index" test | The majority of geosynthetics, when correctly processed and stabilized, are comparatively resistant to chemical and microbiological attack encountered in normal soil environments and for normal design lives. For such applications only a minimum number of screening or "index" tests may be necessary.
Il semble qu'il s'agisse d'essais sélectifs, mais si quelqu'un connaît une traduction d'"index test", je suis preneur.
Merci |
| | | Selected response from:
 Theresa Scheid
France
| Note from asker to answererMerci
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| valeurs d'indice
Explanation:
Pour commencer...
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General and Index Properties and Tests
General properties include the polymer, mass per unit area, thickness, roll
dimensions and weight, specific gravity, etc. Index tests do not give an actual design
property in most cases, but they do provide a qualitative assessment of the property of
interest. When determined using standard test procedures, index test values can be used
for product comparison, specifications, quality control purposes, and as an indicator of
how the product might survive the construction process. These latter properties are called
constructability or survivability properties. Index tests include uniaxial mechanical
strength (grab tensile; load-strain; creep, tear, and seam strength); multiaxial rupture
strength (puncture, burst, and cutting resistance; flexibility); endurance or durability tests
(abrasion resistance; UV stability; chemical and biological resistance; wet-dry and
temperature stability); and hydraulic index tests (apparent opening size, percent open area;
pore size distribution; porosity; permeability and permittivity; transmissivity).
5.3. Performance Properties and Tests
Performance properties require testing the geosynthetic and the soil together in
order to obtain a direct assessment of the property of interest. Because performance tests
should be conducted under design specific conditions and with soil samples from the site,
these tests must be performed under the direction of the design engineer. Performance
tests are not normally used in specifications; rather, geosynthetics should be preselected for
performance testing based on index values, or performance test results should be correlated
to index values for use in specifications. Examples of performance tests include in-soil
stress-strain, creep, friction/adhesion, an
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valeurs d’indice??
| liz askew
United Kingdom
Native speaker of:  English
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The translation workplace 
