Case Study: Enhancing Mining Efficiency with Ocean Non Wovens’ Geotextile Solutions  

Ocean Non Wovens supplied 4000 square meters of Ocean Non Woven Geotextile-200 GSM to a mining project in Rayagada, Odisha. The geotextile was used to control erosion, keep site drainage working and protect the stability of the mine’s working areas.

Project overview

• Location: Rayagada, Odisha
• Project: Mining project
• Product: Ocean Non Woven Geotextile-200 GSM
• Quantity: 4000 Sqm

The project extracts minerals under environmental compliance requirements. Rayagada lies in the hilly Eastern Ghats of southern Odisha and gets heavy south-west monsoon rain, so erosion, water management and the stability of haul roads and slopes are constant concerns.

Challenges on site

1. Soil erosion and stability: mining disturbs the natural soil structure, which increases erosion and instability, affecting both site safety and productivity.
2. Water management: drainage has to prevent waterlogging and carry stormwater runoff away. Poor water management causes operational delays and environmental hazards.
3. Environmental compliance: the operation must keep its impact on the surrounding land and streams to a minimum, including sediment carried off site in runoff.

What a nonwoven geotextile does on a mine site

A needle-punched nonwoven geotextile performs four functions:

• Separation: laid between soft subgrade and aggregate on haul roads and working platforms, it stops the layers intermixing, so the road base keeps its thickness under heavy dumpers.
• Filtration: water passes through while soil particles are held back, which keeps drains, trench filters and slope drains from clogging.
• Erosion control: placed under riprap or other armour on slopes and drain channels, it stops the soil beneath being washed out through the gaps.
• Protection: it cushions geomembranes and other structures against sharp stones and heavy loads.

A 200 GSM nonwoven contributes some tensile strength and stabilisation, but it is not a reinforcement product. Where a slope or embankment needs real tensile reinforcement, geogrids or high-strength woven geotextiles are the right choice.

Ocean Non Woven Geotextile-200 GSM

• Tensile strength: durable under construction loads and long-term service.
• Filtration: keeps drainage working while preventing soil loss.
• UV resistance: resists degradation from sunlight during placement, though it should still be covered promptly.
• Chemical resistance: suitable for sites with possible chemical exposure.

200 GSM is a mid-weight grade, commonly used for separation and filtration under moderate construction loads. Heavier grades are chosen where coarse, angular fill or heavy compaction plant raises the risk of puncture.

Installation at Rayagada

1. Site preparation: the surface was graded and sharp objects that could damage the fabric were removed.
2. Installation: the Ocean Non Woven Geotextile-200 GSM was rolled out across the designated areas, with overlaps between rolls to keep the layer continuous.
3. Performance monitoring: the geotextile was inspected and tested regularly through the project to confirm it met the required standards.

Results

Soil stability: the geotextile improved soil stability across the site and helped prevent erosion around the mine’s infrastructure.

Water management: its filtration kept drainage working, reducing waterlogging and keeping the site operating through heavy rain.

Environmental protection: by limiting erosion and managing runoff, it supported the project’s environmental compliance and reduced its impact on the surrounding ecosystem.

Ocean Non Wovens manufactures and supplies nonwoven geotextiles and other geosynthetics for mining, infrastructure and environmental projects. Contact our team to choose the right grade for your site, or read more case studies.