Compaction hammer
01
締固めハンマー, 圧縮ハンマー
a device used to assess the compaction properties and density of soil or asphalt by delivering a standardized impact to the surface and measuring the resulting resistance or penetration
例
The team noticed the ground became firmer after several passes with the compaction hammer.
チームは、締固めハンマーで数回打ち込んだ後、地面がより固くなったことに気づきました。



























