岩土工程勘察和试验. 采用现场仪表的岩土工程监测. 第2部分: 随线位移测量: 引伸计

[中文适用范围]： 本文件 specifies the measurement of displacements along a line by means of extensometers carried out for geotechnical monitoring. General rules of performance monitoring of the ground, of ISO 18674-1. structures interacting with the ground, of geotechnical fills and of geotechnical works are presented in If applied in conjunction with ISO 18674-3, this document allows the determination of displacements acting in any direction. This document is applicable to: — monitoring the behaviour of soils, fills and rocks; — checking geotechnical designs in connection with the Observation Design procedure; — deriving geotechnical key parameters (e.g. embankments, excavation walls, foundations, dams, refuse dumps, tunnels) from results of pile load tests or trial tunnel ling; evaluating stability ahead of, during or after construction (e.g. stability of natural slopes, slope cuts), NOTE This document fully fills the requirements for the performance monitoring of the ground, of structures interacting with the ground and of geotechnical works by the means of extensometers as part of the geotechnical investigation and testing in accordance with References [5] and [6]. [外文原描述]： ISO 18674-2:2016 specifies the measurement of displacements along a line by means of extensometers 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. If applied in conjunction with ISO 18674‑3, this document allows the determination of displacements acting in any direction. ISO 18674-2:2016 is applicable to: - monitoring the behaviour of soils, fills and rocks; - checking geotechnical designs in connection with the Observational Design procedure; - deriving geotechnical key parameters (e.g. from results of pile load tests or trial tunnelling); - evaluating stability ahead of, during or after construction (e.g. stability of natural slopes, slope cuts, embankments, excavation walls, foundations, dams, refuse dumps, tunnels). NOTE This document fulfils the requirements for the performance monitoring of the ground, of structures interacting with the ground and of geotechnical works by the means of extensometers as part of the geotechnical investigation and testing in accordance with References [5] and [6].