“This is a slump test, which is a measure of the consistency of the concrete,” said Tim Lautenbach ’04. While Lautenbach is the construction materials testing division manager at Materials Testing ...

Although failure of material is not the only reason for bridge failures, it is a vital step for choosing the correct materials, the analysis of bridge design, and construction testing. Bridge members ...

Concrete may be one of the world's most familiar materials, yet much is still unknown about its inner microbial world. Researchers from Hiroshima University and Kyoto University found that once ...

When compressive strength tests of laboratory-cured cylinders fail to meet the specified acceptance criteria, core tests are commonly used to verify the strength and to obtain acceptance of the ...

President, Wyoming Test Fixtures Inc. However, Subcommittee D30.10 meetings are typically held in conjunction with meetings of the American Concrete Institute (ACI) Committee 440 on Fiber Reinforced ...

A shortage of skilled labor continues to be the dominate issue in the construction industry, and rightfully so. However, delays in construction schedules have always been a thorn in the side of ...

American Association of State Highway and Transportation Officials’ Committee on Materials and Pavements approves Purdue-invented method as a national standard for estimating concrete strength WEST ...

Ultra-high-performance concrete (UHPC) is rapidly emerging as a premier material for precast concrete construction. First introduced as “reactive powder concrete” in the early 1990s, this material has ...

In the survey questionnaire sent to the state DOTs, the respondents were asked whether they would agree to be interviewed for the purpose of preparing case examples. Twenty-four state DOT respondents ...