: Ensuring that engineering works can withstand geohydraulic pressures.
The primary goal of this standard is to establish groundwater conditions and determine the hydraulic properties of the ground. These parameters are vital for:
BS EN ISO 22282-2 outlines three primary methods for measuring permeability ( ) based on the ground's expected flow characteristics: : Best for : Higher permeability soils (typically bs en iso 22282-2 pdf
: Devices must be accurate to within 0.01 meters .
To ensure accuracy, the standard mandates specific equipment standards and calibration protocols: : Ensuring that engineering works can withstand geohydraulic
The full technical document is a copyrighted publication and is usually obtained through official standards bodies or technical libraries: ISO 22282-2:2012 - Geotechnical investigation and testing
: A steady flow of water is injected or withdrawn while recording the change in the water head over time until stability is reached. Variable Head Method (Falling or Rising Head) : Best for : Intermediate permeability ranges. To ensure accuracy, the standard mandates specific equipment
: Assessing how water flow affects the bearing capacity of the soil.