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CEN - EN 17542-3

Earthworks - Geotechnical laboratory tests - Part 3: Methylene blue value VBS on soils and rocks

active, Most Current
Organization: CEN
Publication Date: 1 June 2022
Status: active
Page Count: 18
ICS Code (Earthworks. Excavations. Foundation construction. Underground works): 93.020
scope:

This document describes the reference method for the determination of the methylene blue value (V BS) in soils and rocks for earthworks.

The test is based on measuring the quantity of methylene blue that can be adsorbed by the material suspended in water. This quantity of adsorbed methylene blue is reported by direct proportionality to the 0/50 mm ground. The soil blue value is directly related to the specific surface area of the soil particles or rocky material.

NOTE The V BS test uses common equipment and calibration as the methylene blue test MB for aggregates (EN 933‑9), but it applies to another granular fraction (5 mm for V BS and 2 mm for MB, respectively). Thus, the results obtained between the two tests cannot be compared in the general case.

Document History

EN 17542-3
June 1, 2022
Earthworks - Geotechnical laboratory tests - Part 3: Methylene blue value VBS on soils and rocks
This document describes the reference method for the determination of the methylene blue value (V BS) in soils and rocks for earthworks. The test is based on measuring the quantity of methylene blue...

References

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