BS EN ISO 18674-2:2016规定了通过伸长计沿直线测量位移 进行岩土工程监测。地面性能监测的一般规则 与地面相互作用的结构、岩土填料和岩土工程的结构如所示 ISO 18674-1。如果与ISO 18674-3结合使用，本文件允许测定位移 朝任何方向行动。本文件适用于:监测土壤、填料和岩石的行为；检查与观测设计程序相关的岩土工程设计； 推导岩土工程关键参数（例如，根据桩荷载试验或试挖隧道的结果）；在施工前、施工期间或施工后评估稳定性（例如自然边坡、边坡路堑的稳定性， 路堤、开挖墙、基础、大坝、垃圾场、隧道）。注:本文件满足对地面、结构性能监测的要求 作为岩土工程的一部分，通过引伸计与地面和岩土工程相互作用 根据参考文献[5]和[6]进行调查和测试。交叉引用:ISO 18674-1:2015 ISO 18674- 3 ISO 22475-1:2006ISO 22476-1ISO 22476-2EN 1997-1EN 1997-2购买本文件时，所有当前可用的修订版均包含在购买本文件中。

BS EN 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.This document 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].Cross References:ISO 18674-1:2015ISO 18674-3ISO 22475-1:2006ISO 22476-1ISO 22476-2EN 1997-1EN 1997-2All current amendments available at time of purchase are included with the purchase of this document.