Case Studies

Providing long term stabilization for drainage channel

27 June 2023

PROPEX Armormax and PROPEX Pyramattress, an engineered mattress system that uses PROPEX Pyramat 75 HPTRM to construct a geosynthetic/soil/rock composite for protection of channels, slopes, and spillways.

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Providing long term stabilization for drainage channel

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Steep slope stabilization at SR-11 KYTC DISTRICT 10

The PROPEX Armormax system helped KYTC meet their goal of providing a safe, efficient, environmentally sound and fiscally responsible option to repair the slope while also ensuring access to the state park and economic growth in the surrounding area.

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Providing levee resilience and durability

Full scale installation of the EEAS began in 2015 and has since been installed on over 100 miles of earthen levees in the New Orleans area. Since installation, multiple levees have experienced overtopping from major hurricanes, but have not breeched.

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Preventing flooding from arid creeks

PROPEX Armormax helped to decrease sedimentation and pollutants and encourages infiltration of water back into the ground water table.

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Mountain Creek stream bank stabilization

Since the completion of the project, the stream has naturally restored itself to its original channel depth.

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Channel stabilization protects against floods

The end goal of the project is to carry water from future 100-year floods through the city in the channel and eliminate flooding in Randolph.

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Flood protection and erosion control with PROPEX Pyramat

PROPEX Pyramat is a High Performance Turf Reinforcement Mat (HPTRM) that protects the ground surface from erosion while promoting natural vegetation.

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Reinforcing slopes in parking lot

Eight, one foot, PROPEX Pyrawall lifts were constructed to raise the grade for the new parking lot.

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Stabilizing the Des Moines River with PROPEX

The west fork of the Des Moines River in Palo Alto County, had experienced years of erosion and flooding. From 2006 to 2019, the riverbank had receded up to 215 feet in the middle of the bend.

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Enhancing runway durability with Petromat Enviro

The Altoona-Blair County Airport, a regional airport in central PA, faced a safety concern with one of its runways. Reflective cracking had occurred due to harsh freeze/thaw conditions during winter months.

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GEOTUBE dewatering and containment of gypsum wastes at a titanium dioxide plant

Industrial waste, often in slurry form and containing contaminants, needs to be managed and disposed of properly to protect the environment.

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GEOTUBE directs fly ash slurry flow in tailings storage facility closure

GEOTUBE dewatering technology is a cost-effective method for removing water from industrial and mineral slurries and sludges.

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GEOTUBE breakwaters: shoreline protection at Sigandu Beach

The breakwater structure constructed with the GEOTUBE® system at Sigandu Beach proved to be a cost-effective solution compared to conventional methods such as rock armor.

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Maximizing mineral recovery with dewatering for a remote gold mine in Indonesia

A remote gold mine located on an Indonesian island required the dredging of heavily silted settling ponds. These ponds contained valuable gold deposits that needed to be recovered and reprocessed.

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Recovering fertilizer from palm oil mill effluent (POME) with GEOTUBE dewatering technology

GEOTUBE units are used to dewater the POME sludge. The units retain the solid particles within the tube, while the liquid can be recycled back through the plant or discharged through the polishing ponds.

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GEOTUBE solution for rare earth waste containment and dewatering

Processing and refining rare earth minerals generates a waste stream that must be managed and stored in an environmentally secure manner.

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Overcoming workspace constraints in urban municipal wastewater treatment plant

The project involved upgrading an old, aerated sewage lagoon into a modern enclosed underground sewage treatment facility.

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Mine wastewater management at MMG Rosebery Gold Mine

The MMG Rosebery mine in Tasmania has been a successful underground mining operation for over 80 years, producing gold, zinc, copper, and lead concentrates.

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Transforming coal mine settling ponds with GEOTUBE dewatering

A large Indonesian mining corporation faced a challenge in dewatering silt sediments from their settling ponds in South Kalimantan, Indonesia.

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Durable GEOTUBE solution for Clark Airport waterway revetment

The GEOTUBE® SFM serves as revetment for the entire waterway network at the new Clark Airport Terminal.

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GEOTUBE dewatering: Innovative submerged sediment removal at Brisbane River

In a groundbreaking project in Australia, a specially designed remote-controlled underwater dredger was used to clear and clean a blocked stormwater drain that discharged into the Brisbane River.

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Asia's longest dewatering GEOTUBE in Indonesia's Kalimantan region

This project holds the distinction of being Asia's longest GEOTUBE® dewatering project.

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Revitalizing Tianjin Eco-City: Sustainable wastewater cleanup and transformation

The GEOTUBE® dewatering containers were used to contain the dredged slurry and remove water from the material, achieving a consistency similar to compacted borrowed material.

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Geocontainment solutions for riverbank protection in Tanjung Manis, Malaysia

The OGC jetty expansion project aims to construct two berths, each 200 m (656 feet) long with a 12m (39 feet) draught, to accommodate larger vessels. The project also involves bank protection works.

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Subgrade stabilization for stormwater management

Geosynthetics, such as MIRAFI HP380a geotextile, have proven to be effective in enhancing the performance of roads and load support structures.

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Riverbank erosion protection with woven geobags in Sungai Choh, Malaysia

The housing developments near Sg. Choh in Selangor, Malaysia experiences high surface runoff, causing a significant increase in the river's water volume. This has led to severe erosion along approximately 200 m of the riverbank, posing a risk of collapse.

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Enhancing soft soil embankments with MIRAFI

A 2 km (1.2 mi) causeway had to be constructed through a river estuary as part of the services corridor. The estuarine mud foundation in the river estuary was soft to firm, posing challenges for construction.

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Strengthening steep slopes with geocomposite reinforcement

To make the project cost-effective and efficient in terms of logistics, a reinforced soil system utilizing the available on-site earth was chosen. The excavated residual soil, which has a high fines content, could be used as backfill material.

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Pengerang Integrated Petroleum Complex: Basal reinforced embankment solution

The access road plays a vital role in reducing transportation distance and time. To create the road network, a series of basal reinforced embankments were designed based on the existing ground terrain.

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Enhancing embankment stability on soft soil for Navi Mumbai Coastal Road

MIRAFI PET 800/50, a high strength polyester woven geotextile with a tensile strength of 800kN/m (45.4 lb/ft), was employed to ensure embankment stability within the specified criteria.

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Road base reinforcement at NAIA Expressway, Paranaque City, Philippines

The NAIA Expressway is a 1.6 km (1 mile) elevated expressway in Metro Manila, Philippines. It connects the Metro Manila Skyway to Ninoy Aquino International Airport and Entertainment City, serving as the first airport expressway in the country. 

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Protecting Langkawi's Meritus Pelangi Beach with GEOTUBE

The installation process involved deploying scour aprons and filling anchor tubes prior to placing the GEOTUBE unit. The targeted shoreline area was trimmed back before laying the filled Geobags in an overlapping shingle style from the embankment's base.

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Slope failure repair using MIRAFI Polyfelt PEC: Langkawi, Malaysia

The reinforced soil structure consisted of a 30m-high (98 ft) slope reinforced from the toe of the failed embankment. The facing system used involved wrapping a net around bags filled with fine-grained soil.

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Road embankment slope repair with MIRAGRID GX

The road connecting Khun Tan and Lampoon in Northern Thailand is vital for their economic link. Unfortunately, the embankment at KM 11 failed, causing significant traffic disruptions and posing risks to road users.

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The longest sea-crossing bridge constructed with GEOTUBE

Over 27 km (16.8 miles) of geotextile tubes were installed for the construction of the Lach Huyen Bridge in Vietnam.

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Enhancing road infrastructure with a reinforced soil wall

After careful analysis, it was determined that a segmental retaining wall using MIRAFI® Polyfelt® PEC was the most suitable option compared to alternatives such as building a bridge or excavating the hill.

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Geotextile solution for seafloor pipeline laying in Jamnagar, Gujarat

The Jamnagar refinery, located in northwest India, is a crude oil refinery with a production capacity of 661,000 barrels per day.

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Constructing an artificial island with GEOTUBE

For constructing the edge levees that formed the temporary platform, GEOTUBE GT1000 was chosen.

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Basal reinforcement with MIRAFI PET geotextiles

MIRAFI PET reinforced geotextiles proved to be the most economical solution for addressing the localized failure of the road embankment. These

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Stable subgrade solution for container yard in Malaysia

Infrastructure developments in Southeast Asia often involve construction on soft soils, which present significant challenges.

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Boracay Island: Slope erosion protection and revegetation project

The PROPEX Envirocell,’s purpose is to retain sufficient topsoil on the steep slope and promote the growth of grass and other vegetation.

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Almacen river improvement: Flood mitigation with GEOTUBE GT750M

The construction involves the placement of GEOTUBE GT750M, scouring apron, and protection geotextiles.

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Expansion of Xinfeng Landfill with reinforced soil containment bund

Guangzhou, the third largest city in China, is a major manufacturing and commercial center with over 10 million residents.

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Installation of customized PET reinforcement panels in harbor seawall construction

Shute Harbor, an important gateway to Whitsunday Island hotels and the Great Barrier Reef, was severely damaged by Cyclone Debbie in March 2017.

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MIRAFI PET reinforcement bridging soft coal fines, tailings storage closure

MIRAFI PET reinforcement geotextiles are widely used globally in civil ground improvement and the capping of tailings storage facilities (TSF) before placing cover material.

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Efficient bridge abutment with a mechanically stabilized earth wall using MIRAFI

The NLEX-Ciudad de Victoria Interchange project aimed to improve mobility and accessibility in Bulacan, connecting Bocaue, Sta. Maria, Pandi, Norzagaray, Angat, and nearby towns.

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Effective sediment control for dredging with GEOTUBE

Manila Bay’s environment is rapidly deteriorating due to high pollution levels from various sources such as marine, domestic, industrial, and commercial waste. This

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Segmental block wall: Davao coastal road, Bago-Aplaya section

In the Bago-Aplaya Section facing Davao Gulf towards Talomo, an elevated highway with a 90-degree vertical slope on both sides, the contractor needed to stabilize and reinforce the embankments effectively.

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Accelerated soft foundation consolidation with Alidrain PVD, Region III, Philippines

The Central Luzon Link Expressway (CLLEx) is currently being constructed in the Central Luzon region of the Philippines.

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Safer roads with geosynthetic reinforced slopes

Due to increased traffic loadings and seepage problems, a section of the B115 highway in the mountains of Styria, Austria, was showing considerable distress and was in danger of failure.

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Enhancing runway safety and longevity with MIRAGRID PGM-G at Pula airport

Airport runways must meet strict quality and safety standards. Cracks and uneven surfaces can create hazardous conditions for take-off and landing. The surface of Pula airport had deteriorated after many years of use.

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Advanced asphalt interlayer solution for Prague airport's runway

Advanced asphalt interlayer solution for Prague airport's runway

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Revitalizing road surfaces using MIRAGRID PGM 14 for asphalt cracking

In collaboration with our partner ESHA Infrasolutions, Solmax provided the perfect solution for the Dongeradeel community in the Netherlands.

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Geotextile reinforcement provides stable road construction

Bad Wünnenberg is a town in North Rhine-Westphalia, Germany, located on the river Aabach, approximately 20 km (12.4 mi) south of Paderborn.

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Protecting Alpine resources from avalanches with geogrids

In Austria alone, approximately 8,000 avalanche corridors experience countless avalanches each year. With climate change exacerbating the situation, the threat of avalanches to inhabited areas is ever-present in the Alpine regions.

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Making roads more durable with MIRAGRID PGM G

The A617 is a primary A-road in Derbyshire and Nottinghamshire (East Midlands) in England. Over time, cracks appeared on the road, and rehabilitation was needed.

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Drainage behind a concrete wall Mauritius Island

The Government of Mauritius, through the Road Development Authority, initiated the construction of the A1-M1 Link Road to create an effective and efficient road network that supports socio-economic development.

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Expanding landfills safely with geosynthetics

Attica’s 66 municipalities and four million inhabitants depend on a single landfill – Fili. First established in 2003, the Fili landfill was expanded in 2006 and continues to grow.

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Geomembranes protecting the environment at a stack pond in China

Phosphate mining is an important economic activity in the inland Chinese province of Hubei, which boasts large reserves of valuable phosphates.

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Preventing potash waste contamination with Solmax geomembranes

K+S Minerals and Agriculture GmbH Werra plant, operates a tailings heap at their Hattorf site for depositing the residue produced during crude salt processing.

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Geosynthetic lining system for potassium nitrate evaporation ponds

Solmax's innovative liners met client's requirements, protecting environment and communities from pollution and facilitating safe wastewater removal.

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Protecting shorelines from erosion in Lake McConaughy, Nebraska

GEOTUBE® TC1200MB units were selected to provide erosion control because they can be filled using on site materials, making them a more efficient solution than importing stone.

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Containment for hazardous waste disposal at Jinchang City

Solmax was chosen to supply a high-grade, multi-layer solution comprised of 1.00 mm GSE HD and 2.00 mm GSE HD conductive geomembrane, each spanning an area of 25,700 m² (276,600 f²).

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Lining a tailings facility on the roof of the world

Solmax geomembranes were used to line the tailings facilities of the recently expanded Yulong Copper Mine. The mine located in the Qinghai-Tibet Plateau, on one of the largest copper deposits in China, is important to the economy of the region.

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Increasing wastewater treatment capacity to serve a growing town

The Municipality of Tweed is located in central-eastern Ontario. In 2019, the Municipality identified that the existing wastewater treatment system was nearing its rated capacity.

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Quick installation in challenging geographies at Bornhausen landfill

Bornhausen Landfill is in Seesen, a town in the district of Goslar, in lower Saxony, Germany.