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(ASTM D2166) Thí nghiệm nén một trục có nở hông của đất kết dính

9. Report

9.1 The report should include the following:

9.1.1 Identification and visual description of the specimen,

including soil classification, symbol, and whether the specimen

D 2166

is undisturbed, remolded, compacted, etc. Also include speci-

men identifying information, such as project, location, boring

number, sample number, depth, etc. Visual descriptions shall

be made in accordance with Practice D 2488,

9.1.2 Initial dry density and water content (specify if the

water content specimen was obtained before or after shear, and

whether from trimmings or the entire specimen),

9.1.3 Degree of saturation (Note 8), if computed,

OTE

8—The specific gravity determined in accordance with Test

Method D 854 is required for calculation of the degree of saturation.

9.1.4 Unconfined compressive strength and shear strength,

9.1.5 Average height and diameter of specimen,

9.1.6 Height-to-diameter ratio,

9.1.7 Average rate of strain to failure, %,

9.1.8 Strain at failure, %,

9.1.9 Liquid and plastic limits, if determined, in accordance

with Test Method D 4318,

9.1.10 Failure sketch or photo,

9.1.11 Stress-strain graph, if prepared,

9.1.12 Sensitivity, if determined,

9.1.13 Particle size analysis, if determined, in accordance

with Method D 422, and

9.1.14 Remarks—Note any unusual conditions or other data

that would be considered necessary to properly interpret the

results obtained, for example, slickensides, stratification,

shells, pebbles, roots, or brittleness, the type of failure (that is,

bulge, diagonal shear, etc.).

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