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BSI BS EN 12697-40:2012

Bituminous mixtures. Test methods -- In situ drainability
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BSI BS EN 12697-40:2012

Bituminous mixtures. Test methods -- In situ drainability

PUBLISH DATE 2012
PAGES 18
BSI BS EN 12697-40:2012

This European Standard describes a method to determine the in-situ relative hydraulic conductivity, at specific locations, of a road surfacing that is designed to be permeable. An estimate of the average value for the surfacing is obtained from the mean value of a number of determinations on each section of road.

The test measures the ability to drain water (drainability) achieved in-situ of a surfacing. As such, it can be used as a compliance check to ensure that a permeable surface course has the required properties when it is laid. The test can also be used subsequently to establish the change of drainage ability with time.

For the test to be valid, the surface of the test area should be clean and free from detritus. Measurements can be made when a road is either wet or dry, but not if it is in a frozen state.

SDO BSI: British Standards Institution
Document Number EN 12697-40
Publication Date Aug. 31, 2012
Language en - English
Page Count 18
Revision Level
Supercedes
Committee B/510/1
Publish Date Document Id Type View
March 4, 2020 BS EN 12697-40:2020 Revision
Aug. 31, 2012 BS EN 12697-40:2012 Revision
Jan. 16, 2006 BS EN 12697-40:2005 Revision