Media File No. 276288
Before constructing the city tunnel in Karlsruhe, impermeable excavation enclosures had to be built in several sections due to the high ground water levels.
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More media for this product/service available at: |
Before constructing the city tunnel in Karlsruhe, impermeable excavation enclosures had to be built in several sections due to the high ground water levels.
|
More media for this product/service available at: |