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Creep of geogrid reinforcement for retaining wall backfills

Navarrete, F. / Reddy, D.V. / Lai, P.

This paper describes the Creep and Creep-Rupture investigation carried out for two types of geogrids: High Density Polyethylene (HDPE) and Polyester Terephthalate (PET). The specimens were tested in different exposure environments, simulating Florida soil-water conditions, with superambient temperatures for accelerated testing. It was observed that HDPE geogrids undergo larger creep than PET geogrids, and the different exposures do not play an important role in the rate of creep. Exposure temperatures and load levels have a strong effect on the amount of creep strain and creep rupture except for two specimens; for these two cases the rupture was attributed to either defects in the specimens or defective clamping.

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Creep of geogrid reinforcement for retaining wall backfills

Navarrete, F. / Reddy, D.V. / Lai, P.

This paper describes the Creep and Creep-Rupture investigation carried out for two types of geogrids: High Density Polyethylene (HDPE) and Polyester Terephthalate (PET). The specimens were tested in different exposure environments, simulating Florida soil-water conditions, with superambient temperatures for accelerated testing. It was observed that HDPE geogrids undergo larger creep than PET geogrids, and the different exposures do not play an important role in the rate of creep. Exposure temperatures and load levels have a strong effect on the amount of creep strain and creep rupture except for two specimens; for these two cases the rupture was attributed to either defects in the specimens or defective clamping.

Creep of geogrid reinforcement for retaining wall backfills

Navarrete, F. / Reddy, D.V. / Lai, P.

This paper describes the Creep and Creep-Rupture investigation carried out for two types of geogrids: High Density Polyethylene (HDPE) and Polyester Terephthalate (PET). The specimens were tested in different exposure environments, simulating Florida soil-water conditions, with superambient temperatures for accelerated testing. It was observed that HDPE geogrids undergo larger creep than PET geogrids, and the different exposures do not play an important role in the rate of creep. Exposure temperatures and load levels have a strong effect on the amount of creep strain and creep rupture except for two specimens; for these two cases the rupture was attributed to either defects in the specimens or defective clamping.

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Title:

Creep of geogrid reinforcement for retaining wall backfills

Additional title:

Das Kriechen von Geogitterverstärkungen für die Hinterfüllung von Stützmauern

Contributors:

Navarrete, F. (author) / Reddy, D.V. (author) / Lai, P. (author)

Published in:

Economics, Performance and Constructibility Advantages of Geosynthetics, Geosynthetics Conference, 2001 ; 567-578

Publication date:

2001

Size:

12 Seiten, 5 Bilder, 13 Tabellen, 7 Quellen

ISBN:

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Geotextil , Gitterstoff , Zugkriechen , Kriechfestigkeit , Polyethylen hoher Dichte , Polyethylenterephthalat , Hinterfüllung , Stützmauer , mechanische Verstärkung , Kriechgeschwindigkeit , Produktvergleich

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