- field percolation test
- натурное исследование на просачивание грунта
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
Percolation test — A percolation test (from percolation , colloquially called a perc test) is a test to determine the absorption rate of soil for a septic drain field or leach field . The results of a percolation test are required to properly design a septic system … Wikipedia
Septic drain field — Septic drain fields, also called leach fields or leach drains are used to remove contaminants and impurities from the liquid that emerges from the septic tank. A septic tank, the septic drain field, and the associated piping compose a complete… … Wikipedia
Soil test — In agriculture, a soil test is the analysis of a soil sample to determine nutrient content, composition and other characteristics, including contaminants. Tests are usually performed to measure fertility and indicate deficiencies that need to be… … Wikipedia
Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock … Wikipedia
Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… … Wikipedia
environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations … Universalium
Cesspit — Cesspool redirects here. For the G.I. Joe character, see Cesspool (G.I. Joe). An empty, old cesspool in Slovakia … Wikipedia
List of mathematics articles (P) — NOTOC P P = NP problem P adic analysis P adic number P adic order P compact group P group P² irreducible P Laplacian P matrix P rep P value P vector P y method Pacific Journal of Mathematics Package merge algorithm Packed storage matrix Packing… … Wikipedia
Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar … Wikipedia
Septic tank — A septic tank, the key component of a septic system, is a small scale sewage treatment system common in areas with no connection to main sewage pipes provided by private corporations or local governments. (Other components, typically mandated… … Wikipedia
Graphe (mathématiques) — Théorie des graphes Pour la notion mathématique utilisée en Théorie des ensembles, voir Graphe d une fonction. La théorie des graphes est une branche commune à l informatique et aux mathématiques étudiant les graphes et les objets qui lui… … Wikipédia en Français