Sediment
Sediments are; ‘...the layers of particles that cover the bottom of water bodies such as lakes, ponds, rivers and reservoirs.’
Sedimentation is; ‘The process of deposition and consolidation of suspended material carried by water, wastewater or other liquids by gravity.'
Ref The SuDS Manual (C753), published by CIRIA in 2015.
Till is an unsorted glacial sediment deposited directly by a glacier. Ref The HS2 London-West Midlands Environmental Statement, Glossary of terms and list of abbreviations, DETR 2013.
Groynes in coastal engineering (CIRIA C793), published by CIRIA in 2020, defines cohesive sediment as: ‘Sediment containing significant proportion of clays, the physico-chemical properties of which cause the sediment to bind together.’
It defines sediment grading as: 'Distribution defined by nominal and extreme limits with regard to size or mass of individual sediment grains.'
And sediment transport as: 'The movement of a mass of sedimentary material by the forces of currents and waves. This can be either perpendicular (cross-shore) or parallel (longshore) to the shoreline.'
Geoarchaeology, Using Earth Sciences to Understand the Archaeological Record, published by Historic England in 2015, defines sediment as: ‘a collection of rock, mineral and/or organic particles that has been moved from their original source and redeposited elsewhere by natural or human agencies.’
[edit] Related articles
Featured articles and news
Top 50 firms awarded 52bn of projects in the last year
New engineering data shows.
Enhancing construction site reporting efficiency
Through digitisation and the digital revolution.
Noise in the built environment
BSRIA guide TG 20/2021.
17,000 people suffer conditions as a result of exposure to excessive noise at work.
Turning down the noise: Auditory health
A pervasive risk with far-reaching consequences.
UK Construction Week, London is here !
Debuting major international pavilions and much more.
Getting the most out of heat pumps and heating
How heat pumps work and how they work best.
Plumbing and heating for successful retrofit and renovation
Low temperature underfloor systems and heat pumps.
Cost-of-living crisis and home improvement plans
Starting on the right footing and top tips for projects.
Delays on construction projects
Types, mitigation and the acceleration of works.
From Chaucer to Fawlty Towers.
Electrotechnical excellence, now open for entries.
Net zero electricity grids BSRIA guide NZG 5/2024
Outlining the changes needed to transition to net zero.
CIOB Global Student Challenge 2024
Universitas Indonesia wins for second year running.
ECA 2024 Apprentice of the Year Award
Entries open for submission until May 31.