BS EN ISO 17892-8:2018
$142.49
Geotechnical investigation and testing. Laboratory testing of soil – Unconsolidated undrained triaxial test
Published By | Publication Date | Number of Pages |
BSI | 2018 | 24 |
This document specifies a method for unconsolidated undrained triaxial compression tests.
This document is applicable to the laboratory determination of undrained triaxial shear strength under compression loading within the scope of geotechnical investigations.
The cylindrical specimen, which can comprise undisturbed, re-compacted, remoulded or reconstituted soil, is subjected to an isotropic stress under undrained conditions and thereafter is sheared under undrained conditions. The test allows the determination of shear strength and stress-strain relationships in terms of total stresses.
Non-standard procedures such as tests with the measurement of pore pressure or tests with filter drains are not covered in this document.
NOTE This document fulfils the requirements of unconsolidated undrained triaxial compression tests for geotechnical investigation and testing in accordance with EN 1997‑1 and EN 1997‑2.
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | National foreword |
4 | European foreword |
6 | Foreword |
7 | Introduction |
9 | 1 Scope 2 Normative references 3 Terms and definitions |
10 | 4 Symbols |
11 | 5 Apparatus 5.1 General |
12 | 5.2 Triaxial cell |
13 | 5.3 Confining membrane 5.4 Cell pressure system 5.5 Load frame 5.6 Measuring devices 5.6.1 Load measuring device 5.6.2 Pressure measuring device |
14 | 5.6.3 Vertical displacement measuring device 5.7 Cell pressure fluids 5.8 Ancillary apparatus 6 Test procedure 6.1 General requirements and equipment preparation 6.2 Preparation of specimens |
15 | 6.3 Application of cell pressure and initial readings |
16 | 6.4 Shearing 6.5 Dismounting |
17 | 7 Test results 7.1 Bulk density, dry density and water content 7.2 Stage prior to shearing 7.3 Shearing 7.3.1 Corrected cross-sectional area 7.3.2 Deviator stress |
18 | 7.3.3 Vertical strain 7.3.4 Undrained shear strength 7.4 Correction for elastic membrane 8 Test report 8.1 Mandatory reporting |
19 | 8.2 Optional reporting |
20 | Annex A (normative) Calibration, maintenance and checks |
22 | Bibliography |