he roof system of an office building consists of a 100 mm-thick reinforced concrete slab resting on four steel beams (? = 10,450 ??2 ), which are supported by two steel girders (? = 27,700 ??2 ). The girders, in turn, are supported by four columns, as shown in the figure below. In addition to loads being supported by the girder AG. It is proposed that the girder will support 100 mm-thick concrete blocks, 25 mm-thick rendered with cement mortar on both sides. If the density of the concrete blocks and cement mortar are 192 ??/?3 and 25 ??/?3
The roof system of an office building consists of a 100 mm-thick reinforced concrete slab resting
on four steel beams (? = 10,450 ??2
), which are supported by two steel girders (? =
27,700 ??2
). The girders, in turn, are supported by four columns, as shown in the figure below.
In addition to loads being supported by the girder AG. It is proposed that the girder will support
100 mm-thick concrete blocks, 25 mm-thick rendered with cement mortar on both sides. If the
density of the concrete blocks and cement mortar are 192 ??/?3
and 25 ??/?3
respectively.
The height of the wall is 3 metres. Determine the dead loads acting on the girder AG. Take the
unit weight of structural steel as 77 KN/m3
and reinforced concrete as 23.6 KN/m3
. Assume
the concrete slab is supported by the beams only.
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