Table of Contents
1. Understand the difference between consumer’s and producer’s risk regarding acceptance of materials;
2. Recognize the strength correction factors applied to core strength when determining equivalent in-place strength;
3. Identify reasons why it may be permissible to accept concrete with in-place core strength results less than the specified compressive strength; and
4. Know how to determine the number of cores for a sampling plan set up in accordance with ASTM E122, “Standard Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process.”
Printed / Hard Copy Products: The full and complete returned product will be accepted if returned within 60 days of receipt and in salable condition. A 20% service charge applies. Return shipping fees are the customer’s responsibility.
Electronic /Downloaded Products & Online Learning Courses: These items are not eligible for return.
Exchanges: Contact ACI’s Customer Services Department for options (+1.248.848.3800 – ACICustomerService@concrete.org).