Projects / Pulbrough
Station
Main Contractor: Osbornes
Project Value: £4,300
Timber Resin Repairs
Project Value: £4,300
Timber Resin Repairs
LSE Structural Solutions were called in by
Osborne as they had a serious structural
problem on one of the stations which they
maintain. LSE were called because we are rail
approved contactors and have worked closely
with Osborne and Network Rail for many
years, carrying out preservation works to many
stations all over the country. |
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The problem at Pulbrough was
evident straight
away one of the main support beams to the
canopy above the platform had decayed and it
was only a matter of time before if gave out. The beam could have fallen on to members of the public so was particularly dangerous. |
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The repair was slightly more difficult than
normal as the beam was cantilevered. The beam
and canopy roof had to be supported and cut
out, but before the beam could be cut it also had
to be braced. This was because if the beam was
cut without bracing it could have become
unstable. |
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Particular care had to be taken as all works were
carried out in normal working hours while the
public were using the platform. The decayed
section of beam was removed and a new premade
resin splice was introduced. This was then resined in place. Once resin had cured the beam was decorated to an invisible join. Supports were left in until resin had gained enough strength and were then removed. |
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Crack
Stitching is used when a building starts to get vertical cracking, once the
cause of the crack has been determined as suitable crack stitching method
can be employed. Crack stitches are installed into the bed joints across the
cracks. The bed joints are cut out and then the helical bar is grouted in
place preventing any future movement.
Heli-Beaming
is used to create a structural beam, by installing long lengths of helibar
at a set spacing and using the existing masonry to create a beam. This
method is used where subsidence is a problem and can be used in conjunction
with under pinning.