| 摘要 |
The invention is concerned with a sampling method wherein a hollow body with a receiving opening at the lower side and a communicating receiving cavity within the body is downwardly inserted into the substrate of the ballast bed or track body of a railway and removed there from, wherein the hollow body partly or completely fills with the substrate and holds it. Preferably, the hollow body is present within a second body which are insertedtogether where after the hollow body is removed and the emptied space within the second body is filled with fill material where after the second body is removed while leaving the fill material behind. Preferably a non-stirred sample is taken.
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