A silt trap is shown which provides easy access to the end of a valve stem of a valve in a buried water main having a valve box which extends from the valve to the surface. The trap is a tapered bowl having a c
9. I Surface run-off from the construction site shall be directed into adequately designed sand/silt removal facilities such as sand traps, silt traps and sediment basins before discharge into storm drains. i 建造工地的地面径流须流经妥为设计的泥沙/淤泥清除设施(如隔沙池、隔泥池及沉淀池),然后才...
Several factors influence how strong the wind blows across the surface of the land and thereby how much silt (if any) will be mobilized. Particles or debris that is too large for the wind to move form an immobile "armor" that shields underlying grains from the wind and prevents them from ...
301 Dams, water-troughs, silt traps.II. silt, v.[f. the n.]1. a. intr. Of a channel, river-bed, etc.: To become filled or choked up with silt or sediment. Also fig.1799View Agric. Lincoln 16 [The well] runs equally every year, and in all seasons,..but it is apt to ...