What is the difference between the thickness and effective depth of a given footing?
A 400 mm square concrete column that carries a factored vertical downward load of 450 kN
and a factored moment of 100 kN- m is supported on a 1.5 m square footing. The effective depth
of the concrete in this footing is 500 mm. Compute the ultimate shear force that acts on the
most critical section for two- way shear failure in the footing.
A government eager to force the pace of economic advance may be tempted by savings drives, tax cuts, investment subsidies or even population controls. As a result of these measures, each member of the labour force may enjoy more capital to work with. But this process of “capital- deepening”, as economists call it, eventually runs into diminishing returns. Giving a worker a second computer does not double his output.
April 24, 2018
7:27 pm
Read More »