EN ISO 22477-5:2018 PDF

Geotechnical investigation and testing - Testing of geotechnical structures - Part 5: Testing of grouted anchors (ISO 22477-5:2018)

Title (English):

EN ISO 22477-5:2018

Geotechnical investigation and testing - Testing of geotechnical structures - Part 5: Testing of grouted anchors (ISO 22477-5:2018)

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 51
Publication date:: September 19, 2018
Edition:: CEN EN 22477 edition 1 version 1
ICS:: 93.020

Document language:

enru

Delivery time:1–7 days

Price:109 €

Description (English):

This document establishes specifications for the execution of tension tests to be carried out on an anchor grouted in the ground, as defined in EN 1997-1 and EN 1537. Three methods of testing are recognized by this document. Test Method 1 involves cyclic tension loading with measurement of displacement at the load stages; Test Method 2 involves cyclic tension loading with measurement of load loss at the load stages; and Test Method 3 involves step-loading with measurement of displacement under successive maintained tension loads. This document provides specifications for the experimental devices, the measurement apparatus, the test procedures, the definition and presentation of the test results and the content of records. NOTE This document does not provide specification for the size of the proof load and the limiting criteria. These aspects reside in EN 1997-1 or its national annex for CEN countries and in similar national application documents for this test standard for ISO countries.

Technical details

Technical committee: CEN/TC 341 - Geotechnical Investigation and Testing
SKU: EN ISO 22477-5:2018

Abstract

Overview

EN ISO 22477-5:2018 - Geotechnical investigation and testing: Testing of grouted anchors defines standardized procedures for performing tension tests on anchors grouted in the ground. The document sets out requirements for test equipment, measurement apparatus, test execution, result presentation and record content for verification of anchor performance. It is aligned with EN 1997-1 and EN 1537 but does not prescribe proof-load magnitudes or acceptance criteria (these are covered in EN 1997-1 or national application documents).

Key topics and technical requirements

Three recognized test methods
- Test Method 1: Cyclic tension loading with measurement of displacement at defined load stages.
- Test Method 2: Cyclic tension loading with measurement of load loss at defined load stages.
- Test Method 3: Step-loading with measurement of displacement under successive maintained tension levels.
Equipment and setup
- Specifications for reaction systems, loading devices, and test loading set‑ups.
- Requirements for load measurement (load cells, calibration) and displacement measurement (mechanical/optical devices).
- Time and temperature recording where relevant.
Test types
- Investigation tests, suitability tests and acceptance tests - each with tailored loading procedures and reporting requirements.
Execution details
- Test location, preparation, test-anchor handling, time between installation and testing, proof load and datum load procedures.
- Guidance on group testing and alternating load testing.
Reporting and data
- Defined presentation of test results, required measurements, checks and the content of test records.

Practical applications

Quality control and acceptance of grouted anchors used in foundations, retaining structures, slope stabilisation, tunnelling and temporary works.
Design verification for geotechnical engineers to confirm bond and structural behaviour of anchors in-situ.
Contractor and site testing to demonstrate compliance with contract or national requirements.
Research and development for anchor system performance, durability and load-displacement behaviour.

Who should use this standard

Geotechnical and structural engineers specifying or verifying anchors
Site testing teams and geotechnical contractors performing load tests
Testing laboratories and certification bodies
Project managers and clients needing standardized acceptance procedures

Related standards

EN 1997-1 (Eurocode 7) - geotechnical design requirements and acceptance criteria
EN 1537 - anchors for use in geotechnical engineering (referenced for definitions and context)

Keywords: EN ISO 22477-5:2018, grouted anchors, anchor testing, geotechnical testing, tension tests, displacement measurement, load loss, step-loading, EN 1997-1.

Related standards

Mentioned in the description and other EN standards

Abstract

Overview

Key topics and technical requirements

Three recognized test methods
- Test Method 1: Cyclic tension loading with measurement of displacement at defined load stages.
- Test Method 2: Cyclic tension loading with measurement of load loss at defined load stages.
- Test Method 3: Step-loading with measurement of displacement under successive maintained tension levels.
Equipment and setup
- Specifications for reaction systems, loading devices, and test loading set‑ups.
- Requirements for load measurement (load cells, calibration) and displacement measurement (mechanical/optical devices).
- Time and temperature recording where relevant.
Test types
- Investigation tests, suitability tests and acceptance tests - each with tailored loading procedures and reporting requirements.
Execution details
- Test location, preparation, test-anchor handling, time between installation and testing, proof load and datum load procedures.
- Guidance on group testing and alternating load testing.
Reporting and data
- Defined presentation of test results, required measurements, checks and the content of test records.

Practical applications

Quality control and acceptance of grouted anchors used in foundations, retaining structures, slope stabilisation, tunnelling and temporary works.
Design verification for geotechnical engineers to confirm bond and structural behaviour of anchors in-situ.
Contractor and site testing to demonstrate compliance with contract or national requirements.
Research and development for anchor system performance, durability and load-displacement behaviour.

Who should use this standard

Geotechnical and structural engineers specifying or verifying anchors
Site testing teams and geotechnical contractors performing load tests
Testing laboratories and certification bodies
Project managers and clients needing standardized acceptance procedures

Related standards

EN 1997-1 (Eurocode 7) - geotechnical design requirements and acceptance criteria
EN 1537 - anchors for use in geotechnical engineering (referenced for definitions and context)

Keywords: EN ISO 22477-5:2018, grouted anchors, anchor testing, geotechnical testing, tension tests, displacement measurement, load loss, step-loading, EN 1997-1.

EN ISO 22477-5:2018 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

Related standards

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