20/30396852 DC - BS ENISO 22282-4. Geotechnical investigation and testing. Geohydraulic testing. Part 4. Pumping tests

20/30396852 DC

BS ENISO 22282-4. Geotechnical investigation and testing. Geohydraulic testing. Part 4. Pumping tests

Status : Current, Draft for public comment   Published : May 2020

Format
PDF

Format
HARDCOPY



This part of ISO 22282 establishes requirements for pumping tests as part of geotechnical investigation service in accordance with EN 1997-1 and EN 1997-2.

General rules on the planning and execution of geohydraulic field tests are covered by ISO 22282-1.

A pumping test consists in principle of:

  • drawing down the piezometric surface of the groundwater by pumping from a well (the test well);

  • measuring the pumped discharge and the water level in the test well and piezometers, before, during and after pumping, as a function of time.

This part of ISO 22282 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 this part of ISO 22282 are those intended for evaluating the hydrodynamic parameters of an aquifer and well parameters, such as:

  • permeability of the aquifer,

  • radius of influence of pumping,

  • pumping rate of a well,

  • response of drawdown in an aquifer during pumping,

  • skin effect,

  • well storage,

  • response of recovery in an aquifer after pumping.




Standard Number20/30396852 DC
TitleBS ENISO 22282-4. Geotechnical investigation and testing. Geohydraulic testing. Part 4. Pumping tests
StatusCurrent, Draft for public comment
Publication Date01 May 2020
Normative References(Required to achieve compliance to this standard)ISO 22282-1, ISO 14689-1, ISO 18674-4, ISO 14688-1
Informative References(Provided for Information)EN 1997-2, EN 1997-1
International RelationshipsISO/DIS 22282-4
Draft Expiry Date15 June 2020
DescriptorsSoil drilling, Soil surveys, Drilling rigs, Soil testing, Sampling equipment, Rocks, Construction operations, Soils, Soil sampling, Sampling methods, Ground water, Soil mechanics, Soil-testing equipment, Grades (quality), Site investigations
ICS91.010.30
93.020
Title in FrenchReconnaissance et essais géotechniques — Essais géohydrauliques — Partie 4: Essais de pompage Partie 4: Essais de pompage
CommitteeB/526/3
PublisherBSI
FormatA4
DeliveryYes
Pages32
File Size1.382 MB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


 Your basket
Your basket is empty

Multi-user access to over 3,500 medical device standards, regulations, expert commentaries and other documents


Tracked Changes

Understand the changes made to a standard with our new Tracked Changes version


BSOL

The faster, easier way to work with standards


Worldwide Standards
We can source any standard from anywhere in the world