subsurface investigation
[/ˌsʌbˈsɜrfɪs ɪnˌvɛstɪˈɡeɪʃən/]
nounpl: subsurface investigations
investigação subsuperficial
1. A systematic exploration and analysis of geological, hydrological, and soil conditions beneath the Earth's surface to assess site characteristics for engineering, environmental, or construction purposes.
The engineers conducted a comprehensive subsurface investigation before beginning the foundation work.
Os engenheiros realizaram uma investigação subsuperficial abrangente antes de iniciar os trabalhos de fundação.
2. The process of drilling, sampling, and testing soil and rock layers at varying depths to determine their properties and suitability for specific projects.
Subsurface investigation revealed contaminated groundwater at the industrial site.
A investigação subsuperficial revelou água subterrânea contaminada no local industrial.
3. A site characterization study employing various methods such as boreholes, test pits, and geophysical surveys to gather data about underground conditions.
The subsurface investigation included soil boring, laboratory testing, and geological mapping.
A investigação subsuperficial incluiu sondagem do solo, testes laboratoriais e mapeamento geológico.
This term is primarily used in professional contexts within civil engineering, geology, and environmental science sectors in both Brazil and the USA. In Brazil, subsurface investigations are mandatory for major construction projects under ABNT (Associação Brasileira de Normas Técnicas) standards. The terminology is highly technical and standardized across Portuguese-speaking countries, reflecting international engineering practices.
Related Idioms & Phrases
drilling down into the subsurface
getting to the bottom of the issue (figurative use in investigation context)
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