320 Royal Ave parkade rehabilitation with CFRP

Failing membrane

evident by leaks into parkade. Signs of rust

were minimal with no spalling.

Optimum time to replace the

membrane.

Excessive amount of spalling and visible loss of structural integrity due

to failed waterproofing membrane above or non-existent membrane.

PARKADE REHABILITATION WITH CARBON FIBER REINFORCING320 ROYAL AVE. – THE PEPPERTREE

http://www.roaron.com/

Failing membrane

evident by leaks into parkade. Signs of rust

were minimal with no spalling.

Optimum time to replace the

membrane.

Pooling water around the base of support posts causing excessive

corrosion and concrete damage.



Dead end rebar located. No tie in to other rebar or posts for continuous

support.



Conduits subject to water ingress from above. Saturation of the

electrical conduit caused conduit disintigration and immediate failure of

the lines upon concrete removal.



First item: remove all asphalt pavement and membrane at the top.



Expose all delaminated concrete and rust areas to address repairs to the

reinforcing bars.



Remove rebar which has lost its structural integrity and replace with

new.



Saw cut concrete for patch areas, remove concrete and prepare rebar

for sandblasting and coating prior to patching.



Sandblast rebar to provide a bondable clean surface. Sandblast concrete to

remove any loose materials and microfractures prior to new concrete

placement.



Application of a cementatiouscorrosion inhibitor to the reinforcing

bar.



New patch applied with edges to be ground down for the application of

carbon fiber.

New conduit installed and suspended until carbon fiber application is

completed.



Floor cracks on interior non-membrane floors routed and

compressed air cleaned, ready for application of a flexible sealant.



Application of Stop-A-Drop liquid asphalt membrane with protection

board on cleaned deck prior to new asphalt pavement wear surface.



Asphalt pavement applied on top of membrane. Lines painted, almost

ready for service.



Start of carbon fiber installation. Surface sandblasted, ground, dust removed, and primer application

applied.



Saturation of the carbon fiber prior to placement.



Finished product of fiberwrapmaterials by Mapei.

Structural integrity of the deck doubled to accommodate proper

design loads and limit future shear cracking.



Carbon plate installed on main long beam sections to reduce bending.



Application of carbon fiber wrap around damaged post locations.



Sealer applied to interior levels to maintain the wear surface and provide

some protection to salt attack in the winter.



320 Royal Ave parkade rehabilitation with CFRP

Engineering

carbon fiber reinforcing

parkade rehabilitation

application of carbon

carbon fiber application

carbon fiber installation

reinforcing bars

waterproofing membrane

nonexistent membrane