main beam


Also found in: Acronyms.

Main beam

In floor construction, one of the principal beams which transmits loads directly to the columns.

main beam

A principal beam used to carry a load, which transmits the load directly to the columns.

main beam

main beam
The principal beam of radar.
References in periodicals archive ?
Equation (12) implies that the desired main beam response and the nulls in the direction of interferences cannot be maintained due to the phase term [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII].
For the radiation pattern in the main beam area, we have calculated the mean square deviation from the desired pattern and add this value to the fitness function.
2 metres between the rails, the main beam is offset from the support frames and has a cantilevered hoist to keep loads clear of the support legs.
Schelde engineers designed a rim that mounts to a metal plate directly to the main beam and the glass is a separate element like a window in a skyscraper mounted in a frame.
Note that the main beam and side lobes all rotate past the EW receiver.
Respected rail engineer Tom Minogue said: 'I was able to put a stick through the main beam.
The piece cut off the frame is used for the main beam of the arch.
The lifter/tilter features vacuum suction cups that adjust and pivot on adjustable cross arms, which also adjust along the main beam.
Calsonic's robotic system, which comes from the Conair Group, Pittsburgh, revolves around a Sepro servo robot with a sprue picker mounted on its main beam.
24] watt per square meter per hertz, or 160 jan-skys - far brighter than nearly all astronomical sources, but generally tolerable because the satellites rarely fall in the telescope's main beam.