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What is it?
The test determines the quality of the compaction of common fill and that of excavation and trench fill
What for ?
To ensure that the embankments, excavations and trenches have been carried out in accordance with the according rules. 3 main functions: evaluate layer thicknesses; verify that the targeted densification objective is achieved; check that the compaction conforms to that carried out on a reference board.
When ?
At the reception of the site of embankments, excavations and trenches of the construction companies, by the external control.
STANDARD for constant energy penetrometers:
NF P 94-063 – link to AFNOR
STANDARD for variable energy penetrometers
NF P94-105- link to AFNOR
EVOLUTIONS of the MAP 90:
– Reduction of the height to fit in a type H1 van (example: traffic)
– Adjustment of the lateral verticality of the mast by hydraulic cylinder
– Folding and unfolding of the mast (lower and upper part) by hydraulic cylinder
– Improved safety by removing the locking key: operation of the complete threshing system on the mast provided by a hydraulic cylinder.
– Reduction in the width of the sheep, more compact and more stable protective cage
