Projects
Highfield Retaining Wall
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Highfield retaining wall in Golborn, Wigan.
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A continuous masonry beam was embedded into the brickwork to consolidate the structure. Diamond cores were removed in the location of the Heli Piles to enable installation.
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60mm diameter Heli Piles were driven at 30° to an average depth of 5M using a portable pneumatic driver.
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Heli Piles were installed at 2M centres using a heavy duty pneumatic post driver.
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100mm diameter Heli Piles were driven to a depth of 2M and these are used to support a reinforced concrete beam at the base of the wall.
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Tensile proof tests were undertaken on each Heli Pile. Where the load criteria is achieved, pattress plates are used to connect the piles to the wall.
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The reinforced concrete ground beam adds stability to the base of the wall and forms a foundation for a facing brick wall to be built at a later date.
This brick retaining wall has a lean of 50mm-70mm over a height of 1400mm and a length of 70M. Concerns over the ability of the wall to retain the highway were raised and a method of repair which was quick and cost effective was found by using the Heli Pile and Masonry Beaming System. In addition to the installation factors, underground services were located to within 3M of the wall
This project was added to our site on 27 November 2005 and is currently filed under Structural Stabilisation .
Project Types
- Bird Control (1)
- Built Heritage (11)
- Concrete Repairs (7)
- Decent Homes (5)
- Non Traditional Housing (5)
- Structural Stabilisation (9)
- Structural Waterproofing (2)
