Articles in Taxonomy

Light percussion sounding apparatus – BRRC information leaflet A25

A significant correlation between test results from a percussion sounding apparatus and the California Bearing Ratio (CBR value) has been established for fine soils ranging from silt to fine sandy soils I (D < 0,2 mm).

In a standardized form this equipment and test method can render invaluable services:

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Plate-bearing test for compaction control in road engineering – BRRC information leaflet A26

This operational precedure describes a plate-bearing test for checking the quality of road construction materials after laying (compaction control) or the residual quality of a fatigued road layer.

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Nulear measurements the density of layers in pavement structures – BRRC information leaflet CRR F74

It has been quite a few years since nuclear measurement methods made their appearance in road construction to check the density of various materials in pavement structures. Yet there has been no proper breakthrough of such measurements in Belgium to date, whereas our neighbours have used the method sucessfully for several years.

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Skid resistance measurements with the SRT – Information leaflet A57

BRRC has a static device for measuring skid resistance in places where conventional skid resistance measurements with measuring vehicles are impossible, such as footways, driveways, industrial floors, road markings, shopping streets, entrance halls, etc. It is the Skid Resistance Tester of the British Transport Research Laboratory (TRL), shortly referred to as SRT by professionals.
BRRC’s information leaflet A57 decribes the device and its applications.

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Cyclic load triaxial test – BRRC information leaflet A73

Cyclic load triaxial test

This test makes it possible to simulate in the laboratory the effect of road traffic on unbound granular materials used in base and subbase layers of roads, in order to allow:

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