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Standard Guide for Core Sampling Submerged, Unconsolidated Sediments
Automaticky přeložený název:
Standardní příručka pro jádrové vrty ponořený, nezpevněné Sedimenty
NORMA vydána dne 1.1.2014
Označení normy: ASTM D4823-95(2014)
Poznámka: NEPLATNÁ
Datum vydání normy: 1.1.2014
Kód zboží: NS-28775
Počet stran: 14
Přibližná hmotnost: 42 g (0.09 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
core distortion, core samplers, freeze core samplers, grab samplers, piston samplers, sampling errors, sediment sampling, surface samplers, vibratory samplers, ICS Number Code 13.060.30 (Sewage water)
1. Scope | ||||||||||||||
1.1 This guide covers core-sampling terminology, advantages and disadvantages of different types of core samplers, core-distortions that may occur during sampling, techniques for detecting and minimizing core distortions, and methods for dissecting and preserving sediment cores. 1.2 In this guide, sampling procedures and equipment are divided into the following categories based on water depth: sampling in depths shallower than 0.5 m, sampling in depths between 0.5 m and 10 m, and sampling in depths exceeding 10 m. Each category is divided into two sections: equipment for collecting short cores and equipment for collecting long cores. 1.3 This guide emphasizes general principles. Only in a few instances are step-by-step instructions given. Because core sampling is a field-based operation, methods and equipment must usually be modified to suit local conditions. This modification process requires two essential ingredients: operator skill and judgment. Neither can be replaced by written rules. 1.4 Drawings of samplers are included to show sizes and proportions. These samplers are offered primarily as examples (or generic representations) of equipment that can be purchased commercially or built from plans in technical journals. 1.5 This guide is a brief summary of published scientific articles and engineering reports. These references are listed in this guide. These documents provide operational details that are not given in this guide but are nevertheless essential to the successful planning and completion of core sampling projects. 1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.7 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 and health practices and determine
the applicability of regulatory limitations prior to use.
Terminology for Fluvial Sediment Standard Practices for Preserving and
Transporting Soil Samples Standard Practice for Thin-Walled Tube
Sampling of Soils for Geotechnical Purposes Standard Test Method for Standard
Penetration Test (SPT) and Split-Barrel Sampling of Soils Standard Practice for Soil Exploration
and Sampling by Auger Borings Standard Guide for Site Characterization
for Engineering Design and Construction Purposes Standard Terminology Relating to Water
(Includes all amendments and changes 2/14/2024). |
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