Concrete Admixtures & Fiber Testing

Technologies in concrete are rapidly advancing. New additives are introduced every year that make concrete stronger, lighter, more or less flexible. To take advantage of the best qualities of the new mixes, technical evaluation and advice is crucial.

Stork Materials Technology technicians have several methods for testing concrete admixtures and fibers. For concrete fibers, we analyze steel, glass, natural and synthetic fibers. These methods are in compliance with ASTM:C1116, as well as ICC-ES AC32, AC208, and AC217.

Typical fiber tests include:

• Compressive strength (ASTM:C39)
• Flexural strength (ASTM:C78)
• Bond strength to reinforcing steel (ASTM:C234)
• Plastic shrinkage reduction (ICC-ES AC32)
• Freeze/thaw resistance (ASTM:C666)
• Impact resistance (ICC-ES AC32)
• Post-peak flexural strength (ASTM:C199, ASTM:C1018, ICC-ES AC32)
• Composite deck (ICC-ES AC32)
  

Typical tests for concrete admixtures are conducted in accordance with ASTM:C494 and ASTM:C260. We test air entraining, water reducing, accelerating, and retarding admixtures for the following properties:

• Compressive strength (ASTM:C39)
• Flexural strength (ASTM:C78)
• Freeze/thaw resistance (ASTM:C666)
• Time of set (ASTM:C403)
• Bleed water (ASTM:C232)
• Length change (ASTM:C157)
   

Want to learn more about concrete admixtures and fiber testing or other services we offer? Send us your question for a quick response.