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Daily Quiz (13)


True or false: In general, thicker toppings over horizontal concrete require minimal profile.


What organization publishes a guide for selecting concrete repair materials?


True or false: A Bresle patch is used to treat dynamic cracks in concrete, especially in secondary containment structures around tanks.


What surface preparation method for concrete produces the largest profile?


True or false: The main reason for using citric acid to etch concrete is to create a profile coarser than that created by other etching agents.


ICRI recommends how much profile in its surface preparation requirements for polymer overlays on concrete?


True or False? Aesthetic repairs to concrete, in which the repair materials match the appearance of the original concrete, are possible only with the use of coatings.


True or false: Aesthetic repairs to concrete, in which the repair materials match the appearance of the original concrete, are possible only with the use of coatings.


According to a survey conducted by the Corps of Engineers, about what percentage of concrete repairs were rated as achieving results less than good (fair, poor, or failed).


Which of the following organizations has standards for selecting and using concrete repair materials?


True or false: The American Concrete Institute (ACI) has a guide to selecting concrete repair materials.


True or false: Both the International Concrete Repair Institute (ICRI) and the American Concrete Institute (ACI) have guides for selecting concrete repair materials.


True or false: There is an ASTM test method for comparing relative performance of concrete repair mortars in their resistance to cracking.


 
 
   

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NLB Corporation
MiniARM automates surface prep

NLB’s Mini ARM lets an operator control high-pressure water jets remotely, with fast tool changes for different jobs. It maximizes protection and productivity.


U.S. Zinc
Historic Reliability. Innovative Performance.

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Termarust Technologies
Termarust (HR CSA) Chemically Stops
Active Corrosion

Truss bridge treated in 2000 with Termarust's (HR CSA) field-proven rust mitigation system chemically stopped corrosion, crevice corrosion & pack rust.


SAFE Systems, Inc.
Enduroguard -
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Reduce maintenance costs and down time, increase job site safety with Enduroguard Cable. Available exclusively from SAFE Systems. UL listed, flexible, abrasion resistant and cut resistant.


Elcometer, Inc.
Durability & Design meet
Performance & Reliability

Elcometer 319 Dewpoint Meter
View the technical data on the Elcometer Dewpoint meter.


ITW Binks
Built for Tough Jobs

From Epoxies to Urethanes to other high solid coatings, the new Binks Airless 75 delivers a great finish using an ergonomic design. Visit binks.com for more information.


World of Concrete
World of Concrete 2015

Exhibits: Feb. 3-6 2015 Seminars: Feb. 2-6 2015 Las Vegas Convention Center Las Vegas, NV USA

 
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