Skip to main content

ISO 22476-16:2024

Current Date published:

Geotechnical investigation and testing — Field testing — Part 16: Borehole shear test

This document is applicable to the borehole shear test using the phicometer procedure, commonly named the phicometer test (etymologically derived from phi for friction angle, co for cohesion and meter for measurement).

The test can be performed in all types of natural soils, fills and artificial soils, which can be saturated or not.

It does not apply to very soft fine soils, very loose coarse soils, medium strong to very strong rocks and natural or artificial soils with a predominance of cobbles having a particle diameter greater than 150 mm.

Generally, the test is applicable in soils with an order of magnitude of their in situ resistance characteristics as follows:

     Ménard pressuremeter limit pressure: 0,4 MPa < plM < 3,5 MPa approximately or more than 4 MPa in granular non-cohesive soils;

     CPT Cone resistance: 1,5 MPa <qc <15 MPa approximately, depending on the type of soil (see Annex E);

     SPT N: 8 <N <50 approximately, depending on the type of soil (see Annex E).

The test can also be carried out in soils presenting a resistance outside these application limits as long as the representativeness of the results is assessed or validated by the analysis of the PBST graphs (see Clause 8).

This document applies only to tests carried out at a depth less than or equal to 30 m.

The parameters derived from this test are the shear strength properties, as the cohesion and angle of friction.

Get this standard Prices exclude GST
PDF ( Single user document)
$326.96 NZD
HardCopy
$366.96 NZD
Networkable PDF
Price varies
Preview only close
Prev {{ page }}/ {{ numPages }} Next
Preview only close
Prev {{ page }}/ {{ numPages }} Next
Pages: 41

Keep me up-to-date

Sign up to receive updates when there are changes to this standard

Related Information

Similar Standards

  • AS/NZS 3725 Supplement 1:2007


    Design for installation of buried concrete pipes – Commentary

  • AS/NZS 3725:2007

    Design for installation of buried concrete pipes

  • BS 1377-1:2016

    Methods of test for soils for civil engineering purposes, General requirements and sample preparation

  • BS 1377-2:2022

    Methods of test for soils for civil engineering purposes, Classification tests and determination of geotechnical properties

Preview only close
Prev {{ page }}/ {{ numPages }} Next
Preview only close
Prev {{ page }}/ {{ numPages }} Next
Pages: 41

ISO 22476-16:2024

Get this standard Prices exclude GST
PDF ( Single user document)
$326.96 NZD
HardCopy
$366.96 NZD
Networkable PDF
Price varies

Request to add this standard to your subscription

ISO 22476-16:2024

Price varies
Online library subscription

Your organisation’s Account Administrator must approve a request to add a standard to your subscription.

You may add a comment to the administrator below.

Cancel