Iowa Peace Officer Memorial, Des Moines, IA
DE Fiberworks, Inc. - Concrete Fiber Reinforcement
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Iowa Peace Officer Memorial, Des Moines, IA

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Iowa Peace Officer Memorial, Des Moines, IA is located on a grassy hill between the state Capital Building and the Oran Pape State Office Building. The memorial was moved and rededicated on May 10, 2013 during ceremonies honoring three fallen officers who died in the line of duty. The new memorial includes colored and polished concrete that incorporates Forta Ferro, a macro-synthetic fiber system at a dosage rate of 4.0 lbs./cubic yard of concrete.
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Forta Ferro

 

 

 

 Iowa Peace Officer Memorial, Des Moines, IA is located on a grassy hill between the state Capital Building and the Oran Pape State Office Building.  The memorial was moved and rededicated on May 10, 2013 during ceremonies honoring three fallen officers who died in the line of duty.  The new memorial includes colored and polished concrete that incorporates Forta Ferro, a macro-synthetic fiber system at a dosage rate of 4.0 lbs./cubic yard of concrete.  The color and polished exterior concrete was ground to an expose aggregate appearance and sealed.  The final appearance is amazing and blends in well with the original design elements that include granite and stone monuments.  The construction of the relocated memorial was done by a talented group of volunteer contractors and suppliers.  The group included CSI Ready Mix and Manatt’s Inc. that jointly supplied the concrete, Absolute Concrete was the concrete contractor, and Artistic Concrete was the polishing contractor.

 

 

 

 

 

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Did You Know?

Concrete is widely recognized as an extremely versatile, cost-effective construction material?

 

Concrete is widely recognized as an extremely versatile, cost-effective construction material. Yet it is also beset with some drawbacks that are inherent to its composition.  By generally accepted engineering standards, concrete is relatively brittle and lacks ductility.  Intertwined with these problems is concrete’s propensity to crack in both its plastic (early-age) and hardened (long-term) state.  Early-age cracks are microscopic fissures caused by the intrinsic stresses created when the concrete settles and shrinks over the first 24 hours after being placed.  Long-term cracking is in part caused by the drying shrinkage that transpires over time.  In either case, these cracks can jeopardize the overall integrity of the concrete and not allow it to maintain – or possibly ever attain – its maximum performance capability.

 

This is the basic reason reinforcement in concrete is required.  Irregular cracks are unsightly and difficult to maintain but generally do not affect the integrity of the concrete.  Joints in concrete slabs are simply pre-planned cracks that are created by forming, sawing, or tooling.  Concrete slabs that are designed for serviceability typically use reinforcement such as deformed reinforcing steel bars (rebar) or welded wire fabric (WWF) to hold cracks tight.  The primary function for the reinforcement is to maintain aggregate interlock for load transfer and improve joint stability.  Rebar and WWR do not inhibit the formation of cracks, but if properly positioned provide reinforcement once a crack has developed.  Fiber reinforcement can provide the same function, is distributed throughout the cross-section of the concrete and distributes the stresses attributed to shrinkage throughout the panel making the joints much more stable. This distribution of fibers provides a totally reinforced cross-section of concrete and changes the way the concrete works.