Strata Global

LOCATION

National Highway 44, Churaibari, near the Assam-Tripura border, India

Client

PWD (Buildings and NH), Government of Assam

Product used

StrataWeb®

Application

Resolving drainage and pavement strengthening issues

About the project

Site Overview:

The project focused on rehabilitating a damaged section of National Highway NH-44 near the Assam-Tripura border, a critical land link for Tripura with highly plastic, weak clayey soil subgrade affected by heavy rain in March 2016. The National Highway NH-44 is a major road artery for the North East, and the stretch leading to the border of Assam and Tripura is the only land link between Tripura and the rest of the country. NH-44 is the state’s lifeline for supplies, victuals, and all commercial activities.

 

Challenges on the site:

The challenges included failed conventional repairs, chaotic traffic conditions, blockage of goods to Tripura, and virtual isolation from the rest of the country due to the subgrade’s unsuitability for smooth traffic flow. The subgrade of the highway is highly plastic, weak clayey soil. There was heavy rain in March 2016, which damaged this stretch, as shown in the pictures. Conventional repairs were attempted but were unsuccessful in allowing smooth traffic across this 500m stretch. With the bottleneck of stranded vehicles, the situation turned chaotic and untenable, causing blockage of all goods to Tripura and virtual isolation from the rest of the country. The issue escalated to the Central Government because the prices of essential commodities, including fuel and food, hit the roof.

 

Objective to be achieved by Strata:

The primary objective was to address drainage and strengthen the pavement section to enable smooth traffic flow and prevent further chaos and isolation of Tripura from the rest of India.

 

Strata’s solution for achieving the objective:

Strata recommended the use of StrataWeb® within the pavement section to resolve drainage and pavement strengthening issues. This innovative solution aimed to provide a durable and efficient infrastructure for the critical highway stretch.

 

The process of laying StrataWeb®:

StrataWeb® was used within the pavement section to address both drainage and pavement strengthening challenges. The process involved several steps:

 

  1. Scraping off the remnants of the existing road: The damaged road surface was removed, preparing the area for the new pavement section.
  2. Dressing, leveling, and compacting the subgrade: The subgrade was then dressed, leveled, and compacted to ensure a stable foundation for the new pavement.
  3. Placing a non-woven geotextile: A non-woven geotextile was placed above the compacted surface to prevent intermingling of the engineered section with the weak plastic subgrade, enhancing the overall stability of the pavement.
  4. Laying the granular base: The highway was opened to all traffic immediately after the granular base was laid, ensuring smooth traffic flow and allowing for the timely completion of the project.
  5. Placing bituminous concrete and dense bituminous macadam layers: The bituminous concrete and the dense bituminous macadam layers were placed later, ensuring a durable and efficient infrastructure for the critical highway stretch.

How has StrataWeb benefited this project?

  • Ensured smooth traffic in record time under distressing conditions.
  • Strengthened the pavement compared to conventional methods.
  • Reduced maintenance costs and increased the road’s lifespan significantly.
  • Addressed critical issues with the subgrade and pavement, improving overall road performance.

Technical drawing

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.

Send us your queries and we will get back to you with our expertise.

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Tell us a little about yourself and what you’re looking for, and our experts will get back to you with a perfect solution!

Harold W. Hill, Jr

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.

J. Craig Bell

Director, General Manager, Strata Inc.

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.

Ashok Bhawnani

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.

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

CTO – Chief Technology Officer

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.

Mujib Katrawala

COO – Projects and Sales

Strata tenure: 13 years
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

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.

Govind Keswani

CFO – Chief Financial Officer

Strata tenure: 8 years
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

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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