ASTM D1140
Standard Test Methods for Determining the Amount of Material Finer than 75-μm (No. 200) Sieve in Soils by Washing
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About This Item
ASTM D1140 is the ASTM standard for determining the amount of material finer than 75-μm (No. 200) sieve in soils by washing. It is used to measure the fine fraction in a soil sample when particle-size information is needed for engineering or quality control purposes. By focusing on washing-based separation, this test helps provide a consistent basis for evaluating soil gradation and comparing materials against project requirements or specification limits.
ASTM D1140 standard overview
The ASTM D1140 standard describes a test method for identifying how much soil material passes a 75-μm (No. 200) sieve after washing. This makes it a practical reference for laboratories and construction-related testing where fine content needs to be determined with a repeatable method. As an ASTM standard, it supports consistent testing practices and helps users apply a recognized technical document when assessing soil characteristics for acceptance, reporting, or further analysis.
Where is ASTM D1140 used?
This standard is commonly used in soil testing workflows where the fine fraction of a sample must be measured accurately. It may be applied in geotechnical laboratory work, materials acceptance testing, and field-related quality verification for soils that will be used in earthwork, embankments, subgrades, or similar applications. ASTM D1140 is especially relevant when a project needs a clear determination of fines content to support classification, compliance checks, or comparison of test results across samples.
Practical importance of ASTM D1140
ASTM D1140 matters because the amount of material finer than the No. 200 sieve can affect how a soil performs in construction and engineering use. A recognized test method helps reduce uncertainty in procurement, specification compliance, and laboratory reporting. Using ASTM D1140 can improve consistency across testing programs, support better material evaluation, and help project teams make informed decisions based on a standardized measure of fine soil content.
- Fine content determination by washing
- Soil gradation support
- Laboratory compliance testing
- Quality control and reporting
- Publication Date: 2023-03-09
- Publisher: ASTM
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