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Standard Guide for Planning and Conducting Geotechnical Borehole Geophysical Logging 岩土钻孔地球物理测井规划和实施的标准指南
发布日期: 2018-02-01
1.1 目的和应用: 1.1.1 本指南涵盖了规划和执行地球物理钻孔测井程序所需的文件和一般程序,该程序通常适用于地质、工程、地下水和环境(以下简称岩土)现场特征。 1.1.2 本指南适用于常用的日志记录方法(请参阅 表1和 2. )用于岩土现场特征。 1.1.3 本指南概述了以下内容: (1) 单孔地球物理方法的使用, (2) 一般测井程序, (3) 文档 (4) 校准,以及 (5) 影响钻孔地球物理测井及其后续解释质量的因素。测井解释非常重要,但具体方法太多,无法在本指南中描述。 1.1.4 必须对测井程序进行调整,以满足广泛应用的需要,并用一般术语加以说明,以便不抑制灵活性或创新性。 1.1.5 获取有关操作方法的详细信息,出版物(例如, 1. , 2. , 3. , 4. , 5. , 6. , 7. , 8. , 和 9 ) 2. 应咨询。提供了有限的教程信息,但应参考本文列出的其他出版物,包括术语表和关于该主题的一般文本,以获取更完整的背景信息。 1.2 限制: 1.2.1 本指南并不描述运行每种类型地球物理测井的具体或标准程序,仅限于单个钻孔中的测量。 1.2.2 不包括用于测量含水量或土壤密度的表面或浅层核子测量仪(即通常被认为是施工质量保证装置)、随钻测量(MWD)、圆锥贯入仪测试和石油或矿物测井。 1.2.3 本指南提供了有组织的信息收集或一系列选项,并不推荐具体的行动方案。本文件不能取代教育或经验,应与专业判断一起使用。并非本指南的所有方面都适用于所有情况。本ASTM标准不代表或取代必须根据其判断给定专业服务的充分性的谨慎标准,也不应在不考虑项目的许多独特方面的情况下应用本文件。 本文件标题中的“标准”一词仅表示该文件已通过ASTM共识程序获得批准。 1.3 注意事项: 1.3.1 如果在有危险材料、操作或设备的现场使用该方法,则本指南的用户有责任制定适当的安全和健康做法,并在使用前确定法规的适用性。 1.4 本标准并非旨在解决与其使用相关的所有安全问题(如有)。本标准的用户有责任在使用前制定适当的安全、健康和环境实践,并确定监管限制的适用性。 1.5 本国际标准是根据世界贸易组织技术性贸易壁垒(TBT)委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 5.1 适当制定、记录和执行的指南对于正确收集和应用钻孔地球物理测井至关重要。 5.2 钻孔地球物理技术产生直接和间接测量,深度为( 1. )钻孔周围岩石基质和/或流体的物理、岩性、力学、应力、水文、不连续性和化学性质( 2. )钻孔中包含的流体,以及( 3. )钻孔施工。 5.3 使用它的好处包括改善以下方面: 5.3.1 测井方法和设备的选择, 5.3.2 日志质量和可靠性,以及 5.3.3 测井数据对后续显示和解释的有用性。
1.1 Purpose and Application: 1.1.1 This guide covers the documentation and general procedures necessary to plan and conduct a geophysical borehole logging program as commonly applied to geologic, engineering, groundwater, and environmental (hereafter referred to as geotechnical) site characterizations. 1.1.2 This guide applies to commonly used logging methods (see Tables 1 and 2 ) for geotechnical site characterizations. 1.1.3 This guide provides an overview of the following: (1) the uses of single borehole geophysical methods, (2) general logging procedures, (3) documentation, (4) calibration, and (5) factors that can affect the quality of borehole geophysical logs and their subsequent interpretation. Log interpretation is very important, but specific methods are too diverse to be described in this guide. 1.1.4 Logging procedures must be adapted to meet the needs of a wide range of applications and stated in general terms so that flexibility or innovation are not suppressed. 1.1.5 To obtain detailed information on operating methods, publications (for example, 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , and 9 ) 2 should be consulted. A limited amount of tutorial information is provided, but other publications listed herein, including a glossar y of terms and general texts on the subject, should be consulted for more complete background information. 1.2 Limitations: 1.2.1 This guide is not meant to describe the specific or standard procedures for running each type of geophysical log, and is limited to measurements in a single borehole. 1.2.2 Surface or shallow-depth nuclear gages for measuring water content or soil density (that is, those typically thought of as construction quality assurance devices), measurements while drilling (MWD), cone penetrometer tests, and logging for petroleum or minerals are excluded. 1.2.3 This guide offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this guide may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word “Standard” in the title of this document means only that the document has been approved through the ASTM consensus process. 1.3 Precautions: 1.3.1 If the method is used at sites with hazardous materials, operations, or equipment, it is the responsibility of the user of this guide to establish appropriate safety and health practices, and to determine the applicability of regulations prior to use. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 5.1 An appropriately developed, documented, and executed guide is essential for the proper collection and application of borehole geophysical logs. 5.2 Borehole geophysical techniques yield direct and indirect measurements with depth of the ( 1 ) physical, lithologic, mechanical, stresses, hydrologic, discontinuities, and chemical properties of the rock matrix and/or fluid around the borehole, ( 2 ) fluid contained in the borehole, and ( 3 ) construction of the borehole. 5.3 The benefits of its use include improving the following: 5.3.1 Selection of logging methods and equipment, 5.3.2 Log quality and reliability, and 5.3.3 Usefulness of the log data for subsequent display and interpretation.
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归口单位: D18.01
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