PILING
 

This segment is classified in the following business areas, incorporating both growth and scope elements.

  Bored cast-in-situ piles Steel piles
  Driven cast-in-situ piles Plunge columns
  Precast driven piles Micro piles
  Continuous Flight Auger piles Steel auger piles
  Large diameter piles (dia > 1.5m)    

L&T GeoStructure has expertise in the above areas to carry out holistic underground foundation solutions.


BORED-CAST-IN-SITU

L&T GeoStructure has a large fleet of high-capacity drilling rigs, covering a drilling spectrum of 0.5m to 3m and the capability to reach depths of up to 80m. Drilling through rocks to achieve ultimate pile capacities of up to 1500t is possible. The first to introduce use of environment-friendly polymers in place of bentonite as drilling fluid, enabling higher quality drilling, L&T GeoStructure holds the track record of installing 21000 nos (about 4 lakh RM) of bored cast-in-situ piles in a span of just 15 months. Its experience through the years is for the execution of 10 lakh RM per annum with medium-range hydraulic rotary piling rigs - An unique innovation that has significantly enhanced productivity is piling through slag fills, using hydraulic rotary drilling rigs.


Bored cast-in-situ piling work of diameters of up to 1000mm and depth of up to 30m have been executed for various real estate developers across India.


DRIVEN PILES

First to introduce integrated driven piling equipment in India that can carry out driven precast and cast-in-situ piling and are capable of driving about 400 to 600 RM per day per rig.


Precast spun piles of diameters of up to 600mm and depth of up to 20m have been successfully executed for the first time in India.


LARGE DIAMETER PILES
L&T GeoStructure has executed piles of diameter 2.5m and depths of up to 33m in both soil and rock for the Chennai Metro Rail stations. This is a unique and niche area in which the entity has the expertise and the equipment to carry out such high-end foundation activities.


HARD ROCK BORING
L&T GeoStructure has the expertise to carry out boring in hard rock of uniaxial compressive strength > 100 MPa. With boring of large diameters, this is a niche area and L&T GeoStructure is well-equipped with the latest high-end equipment to carry out this kind of work.



Retaining Structure

L&T GeoStructure has expertise in the above areas to provide `Design & Build' total solutions to suit customer requirements. Underground metro stations and buildings with many basements are some of the areas covered by this

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Marine and Riverfront Development

L&T GeoStructure has entered this business vertical, which will act as a major thrust for business growth in addition to scope enhancement. Experienced talent is in place to take up all kinds of marine structures.

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GROUND IMPROVEMENT, SOIL INVESTIGATION AND ANCHORS

L&T GeoStructure has expertise in the above areas to provide `Design & Build' total solutions to suit customer requirements. Underground metro stations and buildings with many basements are some of the areas covered by this

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Micro-Tunneling

The technology pertaining to micro-tunneling system is new in India and there the scope to use it on a wide scale in India. Many cities are facing problems due to old utility lines both for water and sewage. The open-cut system of excavation creates

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DEEP FOUNDATION-SUPPORTED BRIDGES

Bridges across water bodies are constructed using different technologies. Most of the bridges in this category comprise foundations, piers and decks. Foundation and pier alone contribute to about 50 - 60% of the total value.


With extensive experience in deep foundations and high-end equipment to carry out large-diameter


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