In the global construction quality assurance and materials testing industry, Zhuozhou Tianpeng Imp. and Exp. Trade Co., Ltd. has emerged as a top concrete testing equipment manufacturer, recognized ...

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 ...

Results that are obtained from concrete specimens during laying of concrete may not actually represent the concrete strength in the structure. In situ NDT (non-destructive testing) at several ...

1. Obtain a representative concrete sample from the revolving drum truck mixer. 2. Using a scoop, place concrete in the cylinder molds. For 6 by 12 inch molds, place in three equal layers (1/3 volume ...

New analysis explains how outdated concrete testing slows road and bridge projects, and what Iowa's specification ...

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 ...

MIT scientists examined concrete samples from the archaeological site of Privernum, Italy (left) and mapped out the ingredients within (right). The red section is a calcium-rich lime clast. Courtesy ...

Drexel University engineers have shown that a concrete mix designed to gently warm itself in cold weather can cut damaging freeze-thaw cycles outdoors, pointing to longer-lasting pavements for cold ...

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 ...