Select the cheapest channel to support the loads shown on the beam in the figure. If it is known that the allowable normal stress for the steel used is 38mpa.
9kN 4.5 kN/m A с В 1 m 1 m m
Select the cheapest channel to support the loads shown on the beam in the figure. If it is known that the allowable norm
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Select the cheapest channel to support the loads shown on the beam in the figure. If it is known that the allowable norm
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