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New ways to determine the precise moisture level in mixing systems with a rotating mixer trough by m


Franz Ludwig GmbH, 55124 Mainz, Germany

 


The measurement of moisture in the concrete and precast industry has always been at the centre of attention for the homogeneous and con- sistent manufacture of the most diverse concretes for the most diverse applications. Representative here is the manufacture of pipes and manholes as well as the production of concrete paving stones and products for garden and landscape construction. Moisture measuring sen- sors are used at the most diverse points, depending on the plant concept. Initially the sensors mentioned above provide for the precise net dosage of the aggregates in gravimetric dosing and weighing systems. This means that the mixing plant controller takes into account the water content, which is now known, and compensates it when dosing and weighing. This process is also known colloquially as grading curve correction. The sensors are installed using suitable mounting systems on belts, in the silo or at the silo outlet, depending on the dosing sys- tem concept. One might now think that this is sufficient to achieve the desired consistency of the concrete – but for different reasons this is not the case!

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Franz Ludwig GmbH
Budenheimer Str. 1
55124 Mainz, Germany
T +49 6131 910460
F +49 6131 9104624
info@fludwig.com
www.fludwig.com

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 12 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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