Second Stage MME at Puerto Escondido Airport

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Reinforced Soil Walls and Slope Reinforcement

2022

PUERTO ESCONDIDO - OAXACA - México

SICT OAXACA

HUAROCSO SA DE CV

HUAROCSO SA DE CV

Second Stage MME at Puerto Escondido Airport

Problema

The erosive action of the stream flowing parallel to kilometer 137 on the federal highway Pinotepa Nacional – Salina Cruz has caused the undermining of the embankment, risking its stability. Additionally, the urban expansion brings a larger surface covered with asphalt and concrete, which have a lower infiltration coefficient, resulting in increased hydraulic expenditure, especially during hydro-meteorological events that affect this coastal city.

Solução

To strengthen the embankment, a longitudinal containment structure was designed and built, combining gabion walls and the Terramesh System along with Paragrid 200 HF geogrids. Additionally, transverse deflector-type structures and two gabion weirs were included to control the slope of the channel. Also, an increased embedment depth was implemented for this wall, located in a high seismicity zone.

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