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Standard Practice for Characterizing Fly Ash for Use in Soil Stabilization
Automaticky preložený názov:
Štandardná prax pre charakterizáciu popolček pre použitie v Stabilizácia zeminy
NORMA vydaná dňa 1.7.2012
Označenie normy: ASTM D5239-12
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.7.2012
Kód tovaru: NS-30406
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Zemní práce. Hloubicí práce. Budování základů. Podzemní práce
Keywords:
fly ash, pozzolan, self-cementing fly ash, soil, soil stabilization, ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)
Significance and Use | ||||||||||||||||||||||||||
4.1 This practice is intended for use with fly ash that can be used separately or along with other stabilizing admixtures to improve soil properties. 4.2 The characterization of the physical and chemical properties of the fly ash shall assist in the evaluation of the fly ash for soil stabilization. 4.3 This practice is not intended to limit the flexibility of design in soil stabilization. The degree of success attained in soil stabilization is highly dependent on the particular combination of soil, fly ash, and other additives and the construction procedure used. Demonstrated sound engineering procedures that result in appropriate physical characteristics are acceptable. The selection of appropriate materials, applicable tests, acceptance criteria, and specification is the responsibility of the design engineer. 1.1 This practice covers procedures
for characterizing fly ash to be used in soil stabilization. This
practice lists representative test methods for determining the
chemical, physical, and cementitious properties of fly ash. A broad
guideline is provided in 1.2 All observed and calculated
values shall conform to the guidelines for significant digits and
rounding established in Practice D6026.
1.2.1 The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in design or other uses, or both. How one applies the results obtained using this standard is beyond its scope. 1.3 The values stated in SI units are to be regarded as the standard. The inch-pound equivalents are shown for information only. 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 and health practices and determine the applicability of regulatory requirements prior to use. 1.5 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice 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.. 1.6 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. |
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2. Referenced Documents | ||||||||||||||||||||||||||
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