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DMRB Volume 4 Section 2 HA 41/17 Geotechnics and drainage. Drainage. Permeameter for road drainage layers
Describes the apparatus and procedure used for determining horizontal permeability of embankment drainage layers, capping materials and sub-bases.
Supersedes HA 41/90 Permeameter for road and drainage layers (HA, 1990). Design manual for roads and bridges (DMRB). (4.2.4). The Highways Agency is now known as Highways England.
Highways England operates, maintains and improves England's motorways and major A roads. It is an executive non-departmental public body, sponsored by the Department for Transport and was formerly known as Highways Agency.
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