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library.geosyntheticssociety.org
article
https://library.geosyntheticssociety.org/wp-content/uploads/2023/01/Sustainab…
Engineers can prevent landslides in various ways using geosynthetics: • using geotextiles and geomembranes to perform barrier function and/or filter function, which prevents the effects of water seepage; • using high strength geosynthetics to reinforce the soil, thus making stable even for very steep slopes; • using geomats and geocells for hold topsoil in place, thus preventing slippage; • using geocomposite drains to allow excess rainwater to disperse safely, without washing the soil away; [...] Geosynthetics can be shown to be the best products used in landslide rehabilitation and natural disaster reconstruction through life cycle cost analysis. In fact, there are several advantages when using geosynthetics: space savings; avoidance of costly ‘remove and replace’ methods; possible use of locally available lower quality backfill materials; low maintenance due to long life cycle; lower time and labour costs, because geosynthetics are easy to install, use less backfill material and require [...] Many studies demonstrate that geosynthetic materials significantly contribute to preventing, avoiding, or reducing the potentially catastrophic effects caused by land changes and soil erosion. Their use not only saves time and money in installation but can also save lives. Sustainability assessment methods that account for environmental impact, cost and societal/functional considerations are becoming an important civil engineering tool for selecting the best option among multiple solutions
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bluestonesupply.com
article
https://bluestonesupply.com/pages/geosynthetics-how-do-they-prevent-landslides
1. Geomembranes
Geomembranes are liners with low permeability that control gas or liquid migration. This type of geosynthetic material is used for water containment, landfills, and mining. These liners are made out of thin polymeric sheets infused with polymer sprays, asphalt, or elastomer.
1. Prefabricated Vertical Drains [...] 1. Geocomposites
This type of geosynthetic material is made up of a combination of a geotextile along with a geonet, geogrid, or geomembrane. By combining several materials, a geocomposite is capable of strengthening the soil while allowing for proper drainage. Geocomposites can help address several specific problems within an application. [...] The manufacturing of geosynthetic materials involves the use of thermoplastics. Although some specialized geosynthetics can have steel wire or biodegradable fibers incorporated into them, most are made with raw materials such as the following.
Polyamide
Polyester
Polyethylene
Polypropylene
Polyvinylchloride
Ethylenecopolymer Bitumen
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geonikco.com
article
https://geonikco.com/geosynthetics-contribution-to-mitigation-of-natural-disa…
Landslides can be controlled by improving drainage conditions, cultivating more vegetation on slopes, providing adequate containment structures,
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library.ctr.utexas.edu
research
https://library.ctr.utexas.edu/hostedpdfs/tsusm/0-6792-1.pdf
driving force. A geogrid reinforced soil buttress was built at the base of the landslide, and a drainage system was installed to lower the ground water pressures beneath the potential landslide region. Ground anchors were used to restrain movement of the landslide. By utilizing the biodegradable mat in the front face of the wrap around buttress structure, a green finish was achieved, restoring the hill as close as possible to its original state. Performance: The drainage has yielded [...] placed in the upper portion of the slope in between the other layers. The drainage composite was installed at the back of the slope against the native soil and up 1/3 of the slope height. The slope face was loamed, seeded, and covered with a synthetic permanent erosion control mat. Performance: The I-495 MSE slope and relocated northbound ramp has been in use for approximately one year, and the 1:1 slope is fully vegetated and performing as expected. 136 Case Study #25: Kraugh Landslide [...] control. 5. Face construction. 6. Continue with additional reinforcing materials and backfill. 7. Field inspection. Contractors were faced with numerous challenges, including adverse weather conditions, material quality, staged construction, and space constraints, but they found that production improved as they became more familiar with the handling and assembly of the geosynthetic material. Careful field layout of runoff water, reinforcing materials, and setbacks for lifts was required as well
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researchgate.net
research
https://www.researchgate.net/post/How_can_advanced_geosynthetics_improve_eros…
Increasing rainfall intensity accelerates slope failure and soil erosion. This question explores advanced materials and engineering designs for stabilizing
F
fema.gov
official
https://www.fema.gov/sites/default/files/documents/fema_p-2181-fact-sheet-5-3…
## Option 1: Install Geosynthetics
Geosynthetics generally are flat, manmade materials used to improve the strength of soil and rock through
reinforcement. Reinforced soil slopes are constructed by placing alternating layers of a specified thickness of
compacted soil and geosynthetic ( Figure 5.3.5 ). Reinforced soil slopes usually are constructed under two conditions: [...] Mitigation Solution: Excavate
Option 1: Remove or Replace Material at the Top of the Slope
Option 2: Build Benches or Terraces
Option 3: Reduce Slope Angle
Mitigation Solution: Reinforce or Strengthen
Option 1: Install Geosynthetics
Option 2: Construct a Toe Buttress or Berm
Option 3: Conduct Deep Soil Mixing
Option 4: Install Soil Nails
Mitigation Solution: Install Drainage
Option 1: Construct an Interceptor Trench [...] infrastructure. Hybrid approaches, which use a combination of living and non-living materials, can be used to protect
slopes against erosion and improve the stability of upland slopes against shallow failures ( Figure 5.3.17 ).
> Live stake Live fescue bundle Geotextile fabric Branch cuttings Live stake Stream forming flow Stream bed Base Flow Dead stout stake driven on 2 ft. centers each way. Minimum length 2 1/2ft. Live and dead stout stake spacing 2 ft. o.c. 16 gauge wire
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tensarcorp.com
article
https://www.tensarcorp.com/resources/guides/introduction-to-geosynthetics
They're typically used as a barrier for liquids or gas, controlling the movement of fluids and providing containment on geotechnical engineering projects.
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geofantex.com
article
https://geofantex.com/right-geosynthetic-for-slope-stabilization-needs.html
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# Geosynthetics for Slope Stabilization: Types, Applications, and Engineering Solutions
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