May/June 2017
Basket Weave vs Pre-Preg Pre Cured
As you can see from the below diagram why you should not use blanket weave. Every pass takes carbon fiber out of tension, therefore weakening it dramatically compared to straight tow.
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FALSE CLAIMS
Claim: “[Rhino has] the strongest strap on the market today.”
Fact: This claim is simply false and cannot be further from the truth. The Fortress
Carbon-Kevlar Strap has a tensile strength of 270,000 psi. Strength data published by
Rhino states that the average tensile strength of their strap is 51,571 psi. This is in fact one
of the lowest reported strengths of all Fortress’ competitors. Rhino claims they have the
strongest strap when their reported strengths are one of the lowest. Here are the Facts:
Quick Links |
Product Ultimate Tensile Strength
Fortress Carbon-Kevlar 270,000 psi
Other 203,000 psi
Other 140,000 psi
Other 140,000 psi
Other 135,000 psi
Other 121,000 psi
Other 105,000 psi
Rhino 51,571 psi
Fortress’ unique grid technology allows the Fortress Carbon-Kevlar Grid Strap to utilize
more strength of individual carbon filaments that its competitors.
Claim: According to Rhino, Fortress carbon fiber has an average tensile strength of 18,136
psi.
Let’s get real: Human hair has a tensile strength of about 55,000 psi and bamboo
between 50,000 and 72,000 psi. (Source: Wikipedia)
Rhino’s claim that their carbon fiber has a tensile strength of 51,571 means it has less
strength than the hair on your head or a bamboo fishing pole. (We think Rhino should
get their science right or fire their testing firm).
Fact: Fortress’ Carbon-Kevlar Grid Strap has a tensile strength of 270,000 psi with a
unit tensile strength of over 5,300 pounds per inch. A tensile load of almost 12 tons is
needed to break a standard width, Fortress Carbon-Kevlar Grid Strap. You can be sure
that Fortress is a leader in continuous product improvement.
Reminder of Online Training Schedule
May
Installation Certification Training Tuesday, June 13th at 11:00am EST
Commercial Applications Wednesday, June 14th at 11:00am EST
To register for online training, email us at: solutions@fortressstabilization.com
Case Study:
Date: April 2017
Location: Flint Michigan
Contractor: Cement Surgeons
Engineer: Richard Prince
Date: April 2017
Scope: Concrete beam under designed to allow additional loading. Design was to strengthen flexural and shear capacity.
Materials: 300gsm unidirectional fabric, #4550 epoxy, carbon anchors, #4000 epoxy paste
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Visit our You Tube Channel….
Fortress also now has a FaceBook Page…..
View our Instructional Video... 
We encourage you all to link to our page(s) and you can embed the YouTube videos on your web site for demonstrations and link optimization. Our FaceBook page updates regularly with information about training and products. Link to us on FaceBook, get updated automatically, and your link to us is another way to advertise your business!
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