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Helical Piles for Railway Embankment Reinforcement in Ireland
This double-track railway project in a lake and marshland area of Ireland used helical piles to address differential settlement in soft ground. SSP provided technical assessment, reinforcement design, product manufacturing and supply, and installation support. The piles were manufactured in China and installed by a local contractor in Ireland.
Location
IrelandApplication
Existing railway embankment reinforcementProject start
May 2019Manufacturing and supply
RMB 60 millionOverall summary of the project
The project began in May 2019 to reinforce an existing double-track railway affected by differential settlement. SSP coordinated technical assessment, reinforcement design, manufacturing, supply and installation support, with Dr Zhao as the principal project contact. The project record reports that the reinforcement improved differential settlement conditions and addressed settlement-related speed restrictions.
Engineering Theoretical Explanation
Helical piles are installed by rotation and transfer load through the interaction of the shaft, helices and surrounding ground.
For railway embankment reinforcement, pile geometry, layout and connections must be coordinated with ground conditions, train loading and overall deformation control.
The technical team compared reinforcement options and selected pile parameters for the project conditions. A dedicated load-testing plan supported construction quality control and project acceptance.
Project Value
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