Comparative testing—volumetric vs. drum truck

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The Volumetric Mixer Manufacturers Bureau (VMMB) initiated a study to compare the quality of concrete produced by means of a volumetric mixer as compared to drum-mixed concrete. A third-party engineering testing firm was used to conduct field and laboratory tests and the accompanying report.

Click below to download this white paper.

VMMB White Paper - VM vs DM- RB.pdf  
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