SANAS T1018
Public test guide
Recovers soil with as little disturbance as practical so its structure can be tested in the laboratory.
Plain-language explanation
The project specification controls the exact method and acceptance requirement.
A suitable sampler or carefully trimmed block is used to preserve natural density, fabric and moisture.
Appropriate tube or block-sampling tools, sealing materials, labels, protective containers and transport controls.
It does not produce a result by itself; it provides a representative specimen for strength, consolidation, swell or permeability testing.
Needed when laboratory behaviour must represent the in-place soil more closely than a disturbed bag sample can.
Typical test sequence
Expose or access the target layer
Recover the specimen with minimal shock and deformation
Seal, label, orient and transport it carefully
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