ASTM D421 PDF

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Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and Determination of Soil Constants. GeoTesting Express is a provider of Soil Testing Services – ASTM D,Standard Practice for Dry Preparation of Soil Samples for Particle-Size Analysis and. 2. Referenced Documents. ASTM Standards: D Practice for Dry Preparation of Soil Samples for. Particle-Size Analysis and Determination of Soil Con-.

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Modified Proctor Test FM To aid in preparing a sample for other physical tests. To determine the maximum density and optimum water content of a sample using standard effort. A shelby tube sample undisturbed sample is needed to perform this procedure. To determine the pH value of soil and water. Normally 5 days or less. Hydrometer Analysis of Soil Test Purpose: None Estimated Testing Length: To determine the aastm of moisture that is present in ashm given soil sample.

Used for most physical tests D Large Samples: To determine the chloride value of soil and water. To determine the water content in which a soil turns from a liquid state to a plastic state. The sample is prepared according to FM Chloride of Soil and Water Test Purpose: An average specific gravity is developed from three different sets of tests.

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None Back to top FM Contact our laboratory for more information on sample size and shipping options. To evaluate the bearing properties of samples that are used for base, stabilized subgrade, subgrade, or embankment material used in the state of Florida. To determine the permeability of cohesive soils by the falling head method.

To dertermine the one-dimensional consolidation ast of an undisturbed sample. To determine the sulfate value of soil and water. Soil sample must display cohesive properties to perform this procedure.

The permeability analysis is only to be used to aid the stormwater engineer in his design.

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Resistivity of Soil and Water FM To determine the maximum density and optimum water content of a sample using modified effort. Three full 5-gallon buckets of material are needed for this procedure.

Modified Proctor Test Test Purpose: Resistivity of Soil and Water Test Purpose: Standard Proctor Test Test Purpose: Contact our laboratory for special shipping requirements and procedures for undisturbed samples. Chloride of Soil and Water FM To determine the Unified soil classification of a given sample. Procedure is xstm into two different procedures: Two full 5-gallon buckets of material are needed for this procedure.

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A minimum of grams is required for the procedure. Test can be performed using either a fixed ring or floating ring or floating ring consolidation cell. Normally 7 days or less.

A full Sieve Analysis is also included in this test. At least grams of sample are required for this test.

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To determine the resistivity value of soil satm water. Moist samples are first dried out to constant mass in the convection oven, then the sample is pulverized, split, and reduced to the required size. Contact EGS for unit availability. Sample size varies depending on the physical time requested.

All prerequisite tests are included in the price of the compaction series.