The base of a tunnel on which the road or railway may be laid and used when construction is through unstable ground. It may be flat or form a continuous curve with the tunnel arch. invert (in'‑vert) The floor or bottom of the internal cross section of a closed conduit, such as an aqueduct, tunnel, or drain - The term originally referred to the inverted arch used to form the bottom of a masonry‑lined sewer or tunnel (Jackson, 1997) Wilson, W.E., Moore, J.E., (2003) Glossary of Hydrology, Berlin: Springer
The lowest point of the internal cross section of a channel or sewer Inverted Syphon A portion of pipe or conduit in which the sewage flows under pressure, due to the sewer dropping below the hydraulic gradient and then rising again
If you invert something, you change it to its opposite. They may be hoping to invert the presumption that a defendant is innocent until proved guilty. a telling illustration of inverted moral values. to put something in the opposite position to the one it was in before, especially by turning it upside down (=the bottom is on the top and the top is on the bottom) (invertere, from vertere )
a method of the MeasurementModel is the opposite of predict() Consider the A Matrix formalism: D = AS Invert is the operation which, when applied to D, yields an estimate of S: (ATA)-1ATD = S
To turn over; to put upside down; to upset; to place in a contrary order or direction; to reverse; as, to invert a cup, the order of words, rules of justice, etc
The structure constructed in a drift to provide the floor of that drift In an emplacement drift, ballast in the invert would serve as a barrier to migration of radionuclides that escaped from breached waste packages
Water enters the storm drain at this elevation Water doesn't flow up hill so this is important Example: manhole inlet, for stormwater, manhole inlet for wastewater
The term generally used to describe any error where one portion of the design is inverted in relation to the other portion(s) An overprint applied upside down is also an invert