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ASTM D2435 – Standard Test Methods for One-Dimensional Consolidation Properties of Soils Using Incremental Loading Description: Significance and Use 5.1 The data from the consolidation test are used to estimate the magnitude and rate of both differential and total settlement of a structure or earthfill. Estimates of this type are of key importance in the design …
ASTM D2434 – Standard Test Methods for Measurement of Hydraulic Conductivity of Coarse-Grained Soils Description: Significance and Use 5.1 These test methods are used to measure one-dimensional vertical flow of water through initially saturated coarse-grained, pervious (that is, free-draining) soils under an applied hydraulic gradient. Hydraulic conductivity of coarse-grained soils is used in various civil engineering …
ASTM D243 – Standard Test Method for Residue of Specified Penetration Description: Significance and Use 5.1 This test method is used to determine the percentage of residue having a specified penetration at 100 g/5 s at 25 °C [77 °F]. This test method provides a residue for quality control or for use in other tests as desired. Note …
ASTM D2426 – Standard Test Method for Butadiene Dimer and Styrene in Butadiene Concentrates by Gas Chromatography Description: Significance and Use 4.1 Butadiene dimer and styrene may be present as impurities in commercial butadiene. This test method is suitable for use in internal quality control and in establishing product specifications. Scope 1.1 This test method covers the …
ASTM D2425 – Standard Test Method for Hydrocarbon Types in Middle Distillates by Mass Spectrometry Description: Significance and Use 5.1 A knowledge of the hydrocarbon composition of process streams and petroleum products boiling within the range of 160 °C to 343 °C (320 °F to 650 °F) is useful in following the effect of changes in process variables, diagnosing the …
ASTM D2422 – Standard Classification of Industrial Fluid Lubricants by Viscosity System Description: Significance and Use 4.1 This classification establishes a series of definite viscosity levels so that lubricant suppliers, lubricant users, and equipment designers will have a uniform and common basis for designating, specifying, or selecting the viscosity of industrial fluid lubricants. 4.2 This classification is …
ASTM D2420 – Standard Test Method for Hydrogen Sulfide in Liquefied Petroleum (LP) Gases (Lead Acetate Method) Description: Significance and Use 5.1 Liquefied petroleum gases and their products of combustion must not be unduly corrosive to the materials with which they come in contact. The potential personnel exposure hazards of H2S also make the detection and …
ASTM D2419 – Standard Test Method for Sand Equivalent Value of Soils and Fine Aggregate Description: Significance and Use 5.1 This test method assigns an empirical value to the relative amount, fineness, and character of clay-like material present in the test specimen. 5.2 A minimum sand equivalent value may be specified to limit the permissible quantity of …
ASTM D2414 – Standard Test Method for Carbon Black—Oil Absorption Number (OAN) Description: Significance and Use 4.1 The oil absorption number of a carbon black is related to the processing and vulcanizate properties of rubber compounds containing the carbon black. Scope 1.1 This test method covers the determination of the oil absorption number of carbon black. 1.2 The …
ASTM D2413 – Standard Practice for Preparation of Insulating Paper and Board Impregnated with a Liquid Dielectric Description: Significance and Use 5.1 Dissipation Factor and Relative Permittivity—Knowledge of these properties is important in the design of electrical equipment such as cables, transformers, insulators, and so forth. The numerical product of these two properties of a dielectric …
