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National Concrete Solutions (NCS) were approached for a solution to the deteriorating floor joint edges in a
very large store in regional NSW.
Stacking and movement of the large reels of product, is undertaken by AGV
(automatic guided vehicles) with point loading on the hard wheels of around
5MT. This concentrated loading combined with rotation and turning loads
was breaking the joint edges and ultimately causing stoppages, risk to the
equipment and potential safety hazards to personnel.
Due to the plant operating continuously the
designed solution needed to provide a fast turn
around and rapid return to service.
"NCS were engaged to carry out trial jo
int repairs using high strength epoxy grout
and to map the joint condition throughout the reel store" Commented David
Neveling "Site Project Engineer".
The custom solution developed by NCS incorporated the excavation of concrete
either side of the joint to a specific profile, followed by reinstatement with high
strength epoxy.
The smooth finished concrete floor had post cut joints at approx. 6 meter spacing.
Specialist machinery and operators were engaged to excavate the specific repair profile prior to reinstatement
with high strength epoxy grout.
Finally the joint was recut and sealed with a semi ridged epoxy sealant to provide added support to the joint
edges.
The result was a smooth surface for transition by the AGV's with superior
resistance to edge spalling due to the high strength epoxy grout and high
edge support characteristics of the semi rigid joint sealant.
David commented "The repairs are performing well and showing no signs of
distress under constant AGV traffic"
The high early strength of the products used also assisted in fast turn
around and return to service.
Media Enquires:
Brett Jones
State Manager - NSW
0409 152 428