ENGINEERING MECHANICS STATICS CE214
FALL 2020 – EXTRA CREDIT- Undergo D2L Dropbox – Due on 12/Three/20 at 11:59pm.
The ground of a bridge will relaxation on stringer that can be merely supported by transverse ground
beams, as in Fig. a. The ends of the beams can be related to the higher joints of two
trusses, one in all which is proven in Fig. b. As a part of the design of the bridge, it’s desired to
simulate the impact on this truss of driving a Three-kip truck over the bridge. Realizing that the
distance between the truck’s axles is b = 7.5 ft and assuming that the load of the truck is
equally distributed over its 4 wheels, use computational software program to calculate and plot the
forces created by the truck in members BH and GH as a operate of x for zero  x  57.5 ft.
From the outcomes obtained,
decide:
(a)The utmost tensile drive
in BH,
(b)The utmost compressive
drive in BH,
(c)The utmost tensile drive
in GH.
Point out in every case the
corresponding worth of x.
Fig. a
Fig. b

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