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Geotechnical investigation and testing — Geotechnical monitoring by field instrumentation — Part 4: Measurement of pore water pressure: Piezometers 岩土工程勘察和试验现场仪器岩土工程监测第4部分:孔隙水压力测量:压力计
发布日期: 2020-06-26
本文件规定了通过安装用于岩土监测的测压计测量饱和地面的孔隙水压力和测压水平。ISO 18674-1中介绍了地面、与地面相互作用的结构、岩土填料和岩土工程性能监测的一般规则。 如果与ISO 18674-5结合使用,本文件中描述的程序允许确定作用在地面上的有效应力。 本文件适用于: -监测作用于岩土结构(如码头墙、堤坝、开挖墙、地基、大坝、隧道、边坡、路堤等)上和内部的水压; -土壤和填料固结过程的监测(e。 g、 基础下方和路堤中); -评估岩土结构的稳定性和适用性; -检查与观测设计程序相关的岩土工程设计。 注:本文件满足通过压力计对地面、与地面相互作用的结构和岩土工程进行性能监测的要求,压力计是根据参考文献[4]和[5]作为岩土工程勘察和测试的一部分安装的。本文件涉及安装在地面上的测量装置。有关与锥体贯入试验相关的孔隙水压力测量,请参见ISO 22476-1。
This document specifies the measurement of pore water pressures and piezometric levels in saturated ground by means of piezometers installed 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 18674-5, the procedures described in this document allow the determination of effective stresses acting in the ground. This document is applicable to: — monitoring of water pressures acting on and in geotechnical structures (e.g. quay walls, dikes, excavation walls, foundations, dams, tunnels, slopes, embankments, etc.); — monitoring of consolidation processes of soil and fill (e.g. beneath foundations and in embankments); — evaluating stability and serviceability of geotechnical structures; — checking geotechnical designs in connection with the Observational Design procedure. 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 piezometers, installed as part of the geotechnical investigation and testing in accordance with References [4] and [5] This document relates to measuring devices, which are installed in the ground. For pore water pressure measurements carried out in connection with cone penetration tests, see ISO 22476-1.
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归口单位: ISO/TC 182
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