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LOCATION

Kohima Bypass Road, Nagaland

Client

National Highway and Infrastructure Development Corporation Limited (NHIDCL)

Product used

StrataGrid™ Biaxial (SGB Grid)

Application

Strengthening the pavement for better load support

About the project

The client needed to strengthen the pavement section of the Kohima-Bypass Road in Nagaland. They wanted to design the new pavement for high traffic and reduce the maintenance frequency as the location was in the hilly, inaccessible regions of North-East India.

In this case, a conventional pavement section would be too thick and require large volumes of select aggregates for the various pavement components. This would cause excess quarrying of natural materials and increase the project’s carbon footprint in this eco-sensitive region.

A solution with StrataGrid™ Biaxial was selected over conventional methods since the thickness of the pavement could be reduced and could optimise the performance in terms of traffic (longevity).

The basic inputs included a subgrade California Bearing Ratio (CBR) of 10% and traffic intensity of 50 MSA. The final optimised design considered two layers of SGB Grid. One layer was placed within the Wet Mix Macadam (WMM) and the second within the granular sub-base. The LCR method of design was adopted. The confining effect of SGB Grid reduced the vertical and lateral movement of aggregates, thereby stabilising the section better under traffic loads than a section without reinforcement.

Strata’s innovative solution helped in easy installation with unskilled labour, minimised layer thickness to conserve natural materials, and reduced maintenance frequency. SGB Grid, being flexible, provided better interaction with the aggregates in the pavement section, improving the fatigue and rutting design life and facilitated economical and fast construction.

CONSULTATION

From know-how to manufacture, installation
and support

Strata not only provides geotechnical products, but our team of 200+ engineers can help you with your turnkey project by supplying you with technical knowhow and support as to how our products can help you finish your projects in time while keeping costs down.

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Harold W. Hill, Jr

Director, President – Glen Raven Technical Fabrics

Strata/Glen Raven tenure: 10 years/28 years
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MBA – Wake Forest University

 

Directs the strategic direction of Glen Raven’s automotive, protective apparel, military, geogrid, outdoor and logistic businesses.

J. Craig Bell

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MBA – Georgia State University

 

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Ashok Bhawnani

Director

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CA – ICA

 

Played a key role in the establishment of Strata’s India operations. Provides vision for product innovation and leveraging new technology trends.

Phil McGoldrick

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.

Shahrokh Bagli

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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.

Mujib Katrawala

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Total industry experience: 24 years


MBA – University of Gujarat

 

Leads the monetization of products and solutions while ensuring highest execution quality and project profitability.

Chandrashekhar Kanade

COO – Technical Textiles

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Total industry experience: 33 years


BE (Mechanical) – Nagpur University

 

Drives excellence in process design, product features and cost effectiveness in production.

Govind Keswani

CFO – Chief Financial Officer

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Total industry experience: 35 years


CA – ICA, ICWA – ICWAI

 

Leads the finance, accounting, taxation, commercial, legal and IT functions and assisting on all strategic and operational matters.

Gautam Dalmia

CDO – Chief Development Officer

Strata tenure: 10 years
Total industry experience: 13 years


MBA – ISB, Hyderabad

 

Leads diversification of the product portfolio, monetizing the new products and ensuring successful sustained financial growth of the company top line.

Narendra Dalmia

CEO – Chief Executive Officer

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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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