Westminster Station, Reinforcement Survey UK

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Project summary

A new load was to be placed upon a series of beams within the station. However, no records of the beam construction details existed. The client turned to Murphy Geospatial to determine the construction details of the beams in order to calculate load capacity.


The brief:

The purpose of the survey was to review 4No. down-stand beams and associated parts of the floor soffits. The survey determines the existing reinforcement spacing, bar size, beam thickness, concrete grade strength, and concrete cover.


The challenges:

The works had to be undertaken at height and during engineering hours. Additionally, no intrusive works could be conducted on the beams and slabs. 


Our work:

The team used a range of non-intrusive methods, including ground-penetrating radar (GPR), Eddy current meters, and Schmidt hammers. 


Results:

The survey successfully determined the typical reinforcement and construction details, allowing the client to undertake load calculations.

The results were presented in a detailed written report, providing all key information on the construction details. The report included tables, sketches, and drawings to help deliver more information on the constructions.


Figure 1: Table from construction information report.

Figure 2: Cross-section showing likely reinforcement arrangement within down-stand beams – Ticket Hall Level.

Contact

For more information on this project, please contact Andy Kitson at akitson@murphygs.com or +44 203 598 3775


  • Client

    WSP

  • Sector/Market

    Infrastructure

  • Services

    Inspection

  • Location

    UK - Westminster

Services Used

Bridge inspection surveys

Inspection

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