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The document provides details about the Bandra Worli Sea Link (BWSL) project in Mumbai, India. Some key points: - BWSL is a cable-stayed bridge that spans over the Mahim Bay, connecting Bandra and Worli suburbs. - Construction started in 2000 and was opened to traffic in 2009. At 5.6 km long, it was a major infrastructure project. - Some challenges included laying foundations in the sea, designing the 126m tall concrete tower, and stabilizing the ground. - It has reduced travel time between the suburbs from 1 hour to 20 minutes, saving commuters time and costs. - The bridge utilizes advanced techniques like pre
![REFERENCES
[1] HCC. BANDRA WORLI SEA LINK PROJECT CONSTRUCTION
METHODS.HCC INDIA WEBSITE.
[2] DAR CONSULTANTS. BANDRA WORLI SEA LINK.
[3] BANDRA-WORLI SEA LINK - MUMBAI, INDIA.
[4] WALTHER, RENE, ET AL. CABLE STAYED BRIDGES. S.L. : THOMAS TELFORD,
LONDON.
[5] DRILLED SHAFT CONSTRUCTION FOR THE BANDRA WORLI SEA LINK
PROJECT. CONRAD, W. FELICE AND BRENNIMAN, HENRY.](https://image.slidesharecdn.com/mmmodified-copy-160315180122/85/Mmmodified-copy-22-320.jpg)
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- 1. Guided by:- Presented by:- Er. Tripathy Verma Er. Agarwala 123
- 2. CONTENTS:- 1.Introduction 2.Representation on map 3.Objectives 4.Inaugration 5.Project details 6.Quality assurance 7. Locale 8. Fact 9.Advantages 10.Problem percieve 11. Conclusion 12. References
- 3. INTRODUCTION Being a major constituent of infrastructure of an economy road projects' successful and in-time completion set the stage for fast development of a nation. Bandra Worli Sea Link(BWSL) is the civil engineering marvel spanning across the arc of Mumbai coastline . • Started in 2000 • Opened in 2009 This sealink is a marvel mix of ideas of architecture and civil engineering. So many new techniques and ideas has been used in this beautiful structure.
- 7. • INAUGRATION - June 30, 2009 • Landmark of Mumbai City. • Among the most complex and advanced construction projects ever in India. • Major Project in Mumbai metropolitan region after Mumbai – Pune expressway.
- 8. LOCALE • Build over Mahim Bay • Connects Bandra (suburb) to Worli (Central Mumbai) • 8-Lane wide • Sea-link Length = 5.6 Kilometers • Over the Sea = 3.8 Kilometers
- 9. BWSL was designed as the first cable-stayed bridge to be constructed in open seas in India. The foundations for the BWSL's cable-stayed bridges consist of 120 reinforced concrete piles of 2,000 millimetres (6.6 ft) diameter. The largest pylons for the bridge consist of diamond shaped 128 metres (420 ft) high concrete tower featuring flaring lower legs, converging upper legs. The pre-cast yard was located on reclaimed land. The yard catered to casting, storing and handling of 2342 concrete-steel pre-cast segments for the project. Use of O-cell bi-directional load tests performed in India for the first time. DESIGN DETAILS
- 10. O-CELL LOAD TEST SETUP
- 12. • India's first eight-lane freeway over the open sea. • Hailed as a modern Indian engineering marvel. • The length of steel wires used in the project is equivalent to the circumference of the Earth. • Its weight is equivalent to 50000 African elephants. FACT
- 13. • The length of the bridge is 63 times the height of the Qutub Minar in Delhi. • The height of the cable-stayed tower is 126m, which is equal to a 43-storey tower. • Each cable can take a weight of 900 tons.
- 14. • Monitored by an Intelligent Bridge System with a 16-lane, state-of-the-art toll plaza. • Is built by a skilled team comprising of the best engineers from India, as well as, other countries including Britain, Canada, China, Egypt, Hong Kong, Indonesia, Philippines, Serbia, Singapore and Switzerland.
- 16. HOW THE SEA-LINK HELPS • Additional connectivity from city to suburbs. • Reduces travel time from 1 hour to just 20 minutes. • Decongests Mahim Causeway – 125,000 vehicles a day. • Avoids 29 traffic lights. • Save Rs. 100 Crore a year in vehicle operating costs.
- 17. PROBLEMS ENCOUNTERED 1) Laying of foundation. 2) Heavy spans. 3) Design of concrete tower. 4) Ground stabilization. 5) Working during monsoon. 6) Logistics. 7) Psychological conditioning. 8) Change in design of the bridge. 9)Change in the contractors and the delay caused by them.
- 18. Official name Rajiv Gandhi Sea Link Carries 8 lanes of road traffic Crosses Mahim Bay Locale Mumbai, Maharashtra, India Maintained by Hindustan Construction Company Designer Seshadri Srinivasan Design Cable-stayed, Viaducts FACTS & FIGURES
- 19. Total length 5.6 kilometres (3 mi) Height 126m Longest span 250m x 2 Clearance below 20m Construction begin 2000 Construction end 21 April 2009 Opened 30 June 2009 Toll 50 (US$1.11) for one way 75 (US$1.67) for both side
- 20. CONCLUSION HAVING STUDIED THE BANDRA WORLI SEA LINK IN DEPTH I CAN APPRECIATE THAT IT IS A WORTHY REPRESENTATION OF CURRENT BRIDGE ENGINEERING TECHNOLOGY AND A GOOD EXAMPLE OF WHAT IS POSSIBLE IN THE CURRENT CLIMATE. THE OPTIMISED EXECUTION OF THE INVERTED Y DESIGN OF THE PYLON IS A SOLUTION THAT IS BOTH AESTHETICALLY AND TECHNICALLY SUCCESSFUL. THE USE OF TENSIONING MECHANISMS HAS PROVIDED AN EFFICIENT COMPROMISE BETWEEN DECK SIZING AND COSTLY STRENGTHENING METHODS.
- 21. “The Power of imagination make us infinite “ - John Muir
- 22. REFERENCES [1] HCC. BANDRA WORLI SEA LINK PROJECT CONSTRUCTION METHODS.HCC INDIA WEBSITE. [2] DAR CONSULTANTS. BANDRA WORLI SEA LINK. [3] BANDRA-WORLI SEA LINK - MUMBAI, INDIA. [4] WALTHER, RENE, ET AL. CABLE STAYED BRIDGES. S.L. : THOMAS TELFORD, LONDON. [5] DRILLED SHAFT CONSTRUCTION FOR THE BANDRA WORLI SEA LINK PROJECT. CONRAD, W. FELICE AND BRENNIMAN, HENRY.
- 23. THANK YOU