DIN EN ISO 18674-3
Geotechnical investigation and testing - Geotechnical monitoring by field instrumentation - Part 3: Measurement of displacements across a line: Inclinometers (ISO 18674-3:2017)
| Organization: | DIN |
| Publication Date: | 1 April 2018 |
| Status: | inactive |
| Page Count: | 44 |
| ICS Code (Earthworks. Excavations. Foundation construction. Underground works): | 93.020 |
| ICS Code (Physical properties of soils): | 13.080.20 |
scope:
This document specifies the measurement of displacements across a line by means of inclinometers carried out for geotechnical monitoring. General rules of performance monitoring of the ground, of structures interacting with the ground, of geotechnical fills and of geotechnical works are presented in ISO 18674-1.
This document also refers to deflectometers (see Annex B) to supplement inclinometers for the determination of horizontal displacements across horizontal measuring lines.
NOTE In general, there are two independent displacement components acting across measuring lines. Inclinometers allow the determination of the two components for vertical measuring lines. For horizontal lines, inclinometers are limited to the determination of the vertical component only.
If applied in conjunction with ISO 18674-2, this document allows the determination of displacements acting in any direction.
This document is applicable to:
- checking geotechnical designs in connection with the Observational Design procedure;
- monitoring of geotechnical structures prior to, during and after construction (e.g. natural slopes, slope cuts, embankments, excavation walls, foundations, dams, refuse dumps, tunnels);
- deriving geotechnical key parameters (e.g. from results of pile load tests or trial tunnelling);
- identification and monitoring of active shear planes in the ground.
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