ISO 22282-4:2012
Geotechnical investigation and testing — Geohydraulic testing — Part 4: Pumping tests
ISO 22282-4:2012 establishes requirements for pumping tests as part of geotechnical investigation service in accordance with EN 1997-1 and EN 1997-2.
ISO 22282-4:2012 applies to pumping tests performed on aquifers whose permeability is such that pumping from a well can create a lowering of the piezometric head within hours or days depending on the ground conditions and the purpose. It covers pumping tests carried out in soils and rock.
The tests concerned by ISO 22282-4:2012 are those intended for evaluating the hydrodynamic parameters of an aquifer and well parameters.
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Equipment
5 Test procedure
5.1 Test preparation
5.2 Arranging the disposal of discharge water
5.3 Executing and equipping the well
5.4 Executing and equipping the piezometers
5.5 Execution of the test
5.6 Uncertainty of measurement
5.7 Interruptions in pumping
5.8 Decommissioning
6 Test results
7 Reports
7.1 Field report
7.2 Test report
Annex A (informative) Record of measured values and test results of the pumping test — Example
Annex B (informative) Determining the pumping test discharge
Annex C (informative) Interpretation of the pumping test results
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols
4 Equipment
5 Test procedure
5.1 Test preparation
5.2 Arranging the disposal of discharge water
5.3 Executing and equipping the well
5.4 Executing and equipping the piezometers
5.5 Execution of the test
5.6 Uncertainty of measurement
5.7 Interruptions in pumping
5.8 Decommissioning
6 Test results
7 Reports
7.1 Field report
7.2 Test report
Annex A (informative) Record of measured values and test results of the pumping test — Example
Annex B (informative) Determining the pumping test discharge
Annex C (informative) Interpretation of the pumping test results
Bibliography