Biplanar drainage nets are a geosynthetic material in the field of civil engineering used to improve water management projects, slope stabilization and green roof systems. These innovative nets are designed to curtail erosion and ensure stability in geotechnical projects because of their unique structure, which facilitates efficient soil reinforcing and water drainage.
Geonets are advanced geosynthetic materials made primarily from high density polyethylene (HDPE) or polypropylene. They are arranged with a grid-like structure consisting of ribs or channels that create a three- dimensional network.They are primarily employed for drainage, retaining walls, asphalt work, dams, landfill liners and other geotechnical applications as they enable surplus water to flow through their mesh-like material. Typically, they’re a part of drainage systems to design and direct the flow of liquids – be it water or chemicals. This unique structure supplies efficient in-plane drainage capabilities,by optimizing transmissivity, enabling them to effectively regulate water flow and other liquid materials. Geonets must exhibit robust creep resistance and compressive strength to endure long-term stress and pressure in engineering implementations.
Geonets can be categorized into four types based on the structure, use and requirement of the various civil engineering projects.
The manufacturing process of geonets involves several steps. They are,
Popularly known as biplanar nets, biplanar drainage geonets play a vital role in sustainable construction practices. These geonets deliver long service life because of their resistance to harsh UV rays, chemical exposure and environmental degradation. The energy efficiency afforded by biplanar nets is becoming more apparent, as the demand for durable infrastructure increases.
Due to their honeycomb cell structure, they render more surface area for water to flow through without clogging up the system and hence makes it appropriate for efficient drainage and soil stabilization.
Being a versatile geosynthetics, biplanar geonets are widely used in many applications. They are :
Biplanar is composed of two plane layers that allow multidirectional water flow whereas triplanar is a three dimensional structure with two outer planar layers and one internal layer which provides more robust drainage capabilities. Triplanar is usually designed for high flow scenarios and steep slopes as they offer better drainage performance. Biplanar have low load bearing capacity and are subjected to easier installation, whereas triplanar is capable of greater loads making it suitable for high traffic areas and more complex designs may demand careful handling and installation techniques.Triplanar may be expensive due to its three dimensional designs.
Determining the right type depends on the specific drainage requirements, the gradient of the site, the overall load, drainage capacity and budget.
There are some limitations and challenges associated with biplanar geonets. They are:
Geocomposites are the geosynthetic materials that combine multiple geosynthetic layers like geotextile, geonet etc. Geonets are usually sandwiched between geotextiles which allows them to effectively manage waterflow making them suitable for landfill caps and liners, stormwater management, slope stabilization, roadway and embankment drainage. Thereby, geocomposites are crucial tools in modern civil engineering projects.
Biplanar nets being a versatile geosynthetic material provides a wide range of uses across civil engineering projects. They offer excellent drainage competencies for retaining walls and soil separation. By precluding soil clogging and allowing for rapid water flow, biplanar nets contribute significantly to structural stability and environmental protection. These nets will play a vital role in addressing the setbacks posed by urbanisation, climate change and environmental protection and by supporting ecological health and the future of these geonets look promising.
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Director, President – Glen Raven Technical Fabrics
Strata/Glen Raven tenure: 10 years/28 years
Total industry experience: 35 years
MBA – Wake Forest University
Directs the strategic direction of Glen Raven’s automotive, protective apparel, military, geogrid, outdoor and logistic businesses.
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Strata/Strata Inc. tenure: 3 years/14 years
Total industry experience: 25 years
MBA – Georgia State University
Led the integration of Strata Inc. business operations into the headquarters of GRTF and transition from USA based to India based manufacturing.
Director
Strata tenure: 17 years
Total industry experience: 47 years
CA – ICA
Played a key role in the establishment of Strata’s India operations. Provides vision for product innovation and leveraging new technology trends.
Global Technical Sales Director
Strata tenure: 7 years
Total industry experience: 32 years
Civil & Geotechnical Engineer (First class)
Provides highly technical and innovative civil engineering solutions in India and around the world. Responsible for the design and execution of large-scale geotechnical projects around the world including Australia, Asia, Europe, Africa, Middle East, and South America.
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Strata tenure: 9 years
Total industry experience: 48 years
BTech (Hons), MTech (Civil) Both IIT Bombay, DMS (Bombay University), FIE, FIGS, Chartered Engineer
Streamlines the designs of Geosynthetics and has brought innovation in geogrid and geocell design application.
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MBA – University of Gujarat
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Strata tenure: 13 years
Total industry experience: 33 years
BE (Mechanical) – Nagpur University
Drives excellence in process design, product features and cost effectiveness in production.
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Strata tenure: 8 years
Total industry experience: 35 years
CA – ICA, ICWA – ICWAI
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Strata tenure: 10 years
Total industry experience: 13 years
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Strata tenure: 14 years
Total industry experience: 42 years
B Tech (Chemical) – IIT Delhi
Leads day-to-day business operations of the company with focus on capacity expansion, product and process improvement.
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