ASTM D4428/D4428M
Standard Test Methods for Crosshole Seismic Testing of Soil and Rock
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About This Item
ASTM D4428/D4428M is the ASTM standard for crosshole seismic testing of soil and rock, providing a technical framework for evaluating subsurface seismic behavior between boreholes. It is used to support site characterization and geotechnical assessment where in situ wave measurements are needed. By defining a consistent test approach, this standard helps improve the reliability of data used in engineering decisions, comparison of test results, and project documentation.
Purpose of ASTM D4428/D4428M
The purpose of ASTM D4428/D4428M is to establish standard test methods for crosshole seismic testing in soil and rock. Crosshole testing is commonly used to measure seismic wave travel between boreholes, which can help characterize subsurface materials and their dynamic response. As a recognized ASTM standard, it supports more consistent testing practices and provides a shared technical basis for reporting and interpreting results in geotechnical work.
Common use cases of ASTM D4428/D4428M
This standard is commonly used in site investigations where engineers need direct seismic measurements from subsurface materials. It is often relevant during foundation evaluation, earthwork planning, and other geotechnical studies involving soil or rock profiles. ASTM D4428/D4428M may also be used when comparing field test results across projects, helping teams apply a consistent method for borehole-based seismic assessment and related quality documentation.
Why ASTM D4428/D4428M matters
ASTM D4428/D4428M matters because it helps bring consistency to a specialized subsurface testing method that can influence engineering decisions. Using a recognized standard can support compliance, reduce ambiguity in procurement and test specifications, and improve confidence in reported results. For projects involving soil and rock evaluation, it can also aid quality control, risk reduction, and clearer communication between owners, consultants, and testing teams.
- Crosshole seismic testing method
- Soil and rock characterization
- Borehole-to-borehole measurements
- Geotechnical site investigation support
- Standardized testing and reporting
- Publication Date: 2025-02-06
- Publisher: ASTM
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