SIST EN ISO 22476-6:2018 PDF

Name: SIST EN ISO 22476-6:2018 — Geotechnical investigation and testing - Field testing - Part 6: Self boring pressuremeter test (ISO 22476-6:2018)
SKU: SIST EN ISO 22476-6:2018
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Geotechnical investigation and testing - Field testing - Part 6: Self boring pressuremeter test (ISO 22476-6:2018)

Название (английский):

SIST EN ISO 22476-6:2018

Geotechnical investigation and testing - Field testing - Part 6: Self boring pressuremeter test (ISO 22476-6:2018)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 28
Дата публикации:: 22 ноября 2018 г.
ICS:: 93.020
Технический комитет:: KON.007 - Geotechnics

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Описание (английский):

This document specifies the equipment requirements, execution of and reporting on self-boring pressuremeter (SBP) tests. NOTE This document fulfils the requirements for self-boring pressuremeter test as part of the geotechnical investigation services according to EN 1997-1 and EN 1997-2. Tests with the self-boring pressuremeter cover the measurement in situ of the deformation of soils and weak rocks by the expansion and contraction of a cylindrical flexible membrane under pressure.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 22476-6:2018 - "Geotechnical investigation and testing - Field testing - Part 6: Self boring pressuremeter test" - specifies equipment, execution and reporting for the self-boring pressuremeter (SBP) test. The standard covers in situ measurement of soil and weak rock deformation by the controlled expansion and contraction of a cylindrical flexible membrane. EN ISO 22476-6:2018 also fulfils SBP requirements for geotechnical investigations under EN 1997-1 and EN 1997-2.

Key topics and requirements

Scope and definitions: clear terminology for SBP, pressuremeter, self-boring head, sounding and test depth.

Equipment requirements: composition of an SBP system - self-boring head, pressuremeter probe, hydraulic pump or pressure source, Control Unit (CU), data logger, pressure/displacement lines and connections.

Probe placement and drilling: use of the self-boring head to create a test pocket while minimising disturbance to surrounding soil.

Calibration and corrections: procedures for device calibration and correction of readings (normative Annex A) to ensure reliable displacement and pressure data.

Test procedure and loading program: steps for selection of equipment, probe insertion, relaxation, staged loading/unloading, and defined end-of-test criteria (Clause 6).

Measurement and data acquisition: requirements for pressure and displacement measurement, display and recording (data acquisition and CU requirements).

Result interpretation and reporting: required content of SBP test reports and guidance for interpreting pressure versus displacement curves.

Accuracy and conversions: guidance on measurement accuracy (Annex C) and strain/displacement conversions (Annex D).

Normative references: links to ISO 10012 (measurement management) and ISO 22475-1 (sampling and groundwater measurement principles).

Applications

In situ determination of soil and weak rock deformation properties for:

Foundation design (shallow and deep foundations)
Earthworks, retaining structures and slope stability assessments
Underground works and tunnelling ground characterization
Ground improvement and anchor design verification

Useful where minimal disturbance of the test zone is required and where pressuremeter curves inform stiffness, limit pressures and deformation modulus.

Who should use this standard

Geotechnical engineers and consultants performing site investigations

Field testing contractors and drilling/boring operators using self-boring pressuremeters

Structural and foundation designers referencing EN 1997 compliance

Laboratories and QA/QC personnel responsible for calibration, data acquisition and test reporting

Related standards

EN 1997-1 / EN 1997-2 (Eurocode 7 geotechnical design and investigation)

ISO 22475-1 (sampling and groundwater measurement)

ISO 10012 (measurement management systems)

EN ISO 22476-6:2018 is essential for consistent, reliable SBP field testing and for integrating pressuremeter data into geotechnical design and site investigation workflows.

SIST EN ISO 22476-6:2018 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications

Who should use this standard

Related standards

Технические детали

ISO 22476-6:2018

Geotechnical investigation and testing — Field testing — Part 6: Self-boring pressuremeter test

SIST EN ISO 10012:2026

Quality management - Requirements for measurement management systems (ISO 10012:2026)

ISO 22475-1:2021

Geotechnical investigation and testing — Sampling methods and groundwater measurements — Part 1: Technical pr…