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Other stories by P.E.

• What does ANSI accreditation mean for NPCA?

  The American National Standards Institute (ANSI) has accredited the NPCA Plant Certification Program as of May 2012.

• Advances in Precast Paving

  Today, precast pavement is considered a mature technology, providing highway agencies with an effective rapid construction option.

• Concrete in Mongolia - Big Changes

  I began to think this trip would be unsuccessful. The start of a Mongolian Concrete Conference and an ACI chapter appeared to be premature and the people unable to make basic advancements in the concrete industry due to the remoteness of the country.

• Super Salts: A Powerful Solution

  Are stong deicers harming our concrete infrastructure? Super Salts can magnify stresses on concrete pavements in winter months, especially around sealed joints.

• The True Value of Septic Tanks

• Correcting for Aggregate Moisture

  Q: I'm fairly new in the concrete business and I know that a mix's water-cement ratio affects how well the concrete turns out. But why should I also care about something called "aggregate moisture," and what is it?

• The Facts About Tanktesting

  What are the criteria that satisfy the requirements of a structural proof of design test and a watertightness test for a precast concrete onsite tank? Ask 10 different people in the onsite industry and you will probably get 10 different answers.

• What's in a Name?

• Thinking Outside the Drum

• Rheology in Action