Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM G57-20
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Measurement of Soil Resistivity Using the Wenner Four-Electrode Method
• Chỉ số phân loại Quốc tế (ICS) / By field: 93.020 - Công việc làm đất. Bào đất. Xây dựng móng. Công trình ngầm
• Số trang / Page: 6
• Phạm vi áp dụng / Scope of standard: 1.1''This test method covers the equipment and procedures for the measurement of soil resistivity, both in situ and for samples removed from the ground, for use in assessment and control of corrosion of buried structures. 1.2''The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. Soil resistivity values are reported in ohm-centimeter. 1.3''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. 1.4''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.