Effect of Non-Woven Geotextile on Soil Liquefaction

Author: Evan Cornelius • 3 November 2022 • 1 Minute Read • Article

Liquefaction is a natural disaster that often occurs during earthquakes. It happens when an area sits on soft soil layers that are saturated or intruded by water. This reduces the bearing capacity of the soil, so liquefaction can occur.

One solution to liquefaction is to use geosynthetic products, which is where non-woven geotextile liquefaction mitigation comes in. Non-woven geotextile is not only used for filtration; its absorption function also helps absorb liquid so that it does not settle in the soil.

Soil reinforced with one and two non-woven geotextile inclusions — Figure 5.1 (A) Soil reinforcement with one non-woven geotextile inclusion (B) Soil reinforcement with two non-woven geotextile inclusions

Earthquake simulations using a cyclic triaxial machine showed that reinforcement with two non-woven geotextile inclusions performs better than one inclusion. Meanwhile, a single inclusion performs far better than using no non-woven geotextile at all.

Number of cycles at each stress ratio for geotextile samples — Figure 5.2 Number of cycles at each stress ratio

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