岩盤
Meanings
1
Refers to solid rock underlying surface materials, used in geology, construction, and figuratively for a firm foundation.
The bedrock in this area is very hard.
Before constructing the building, we surveyed the depth of the bedrock.
Usage patterns
- 岩盤に達するto reach bedrock
The construction work reached the bedrock deep underground.
- 岩盤を削るto drill/cut into bedrock
They cut into the bedrock to dig the tunnel.
- 岩盤が崩れるfor bedrock to collapse or give way
The bedrock collapsed in the earthquake, blocking the road.
- 岩盤の上に建つto be built on top of bedrock
The building stands on solid bedrock.