ENVIRONMENT · INDUSTRY|building and public works
- sail ghrinnill Reference Téarmeolaithe COM-GA
- ga
- Definition struchtúr trasnaí atá suite laistigh den chainéal, arb é is aidhm dó grinneall an chainéil a chobhsú go háitiúil Reference Téarmeolaithe COM-GA
- bed sill
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- Definition transversal structure located within the channel, aimed at locally stabilizing the channel bed Reference "European Commission, Joint Research Centre, van de Bund, W., Bartkova, T., Belka, K., Bussettini, M., Calleja, B., Christiansen, T., Goltara, A., Magdaleno, G., Mühlmann, H., Ofenböck, G., Parasiewicz, P., Peruzzi, C., Schmitt, K., Schultze, A., Reckendorfer, W. and Bastino, V., 'Criteria for identifying free-flowing river stretches for the EU Biodiversity Strategy for 2030 (11.4.2025)', Publications Office of the European Union, Luxembourg, 2024"
- Comment Their effect is similar to that of consolidation weirs, but sills are typically low-head structures, built in lower slope stretches, not protruding significantly outside of the riverbed and lacking the wing walls typically included in the weirs structure. Sills are often associated with bridges with piles in the riverbed.