Search & filter
Search & filter
Abstract: In the construction of two tunnels on Shin-Tomei Expressway in Japan, excavatedrock and earth were found to contain arsenic and pyrite which can lead to the release of arsenic in thelocal area. This resulted in a significant change to the excavation and filling plan as well as to theconstruction cost and time required for completion.The risk of encountering heavy metals-contaminated earth may...