Question

Design a T Beam for s floor system. Thickness of slab is 75 mm and width of the web is 375 mm, with an effective depth of 600 mm. The beam carries a dead load moment of 270 KN m and a live load moment of 460 KN m. The beam has a span of 5.4 m and has a spacing center to center equal to 1.8 m, fc’ = 20.7 MPa, fy = 345 MPa.

Answer #1

an
isolated T beam is composed of a flange 700 mm wide and 150mm deep
poured monolithically with a web of 250mm width which extends 600mm
below the bottom surface of the flange to produce a beam of 750mm
in total depth, h. if the effective depth, d is 650mm, determine
the required area of tensile reinforcement using fc’=21 Mpa and
fy=415 Mpa. Design factored moment is 800 KN-m

Design the shown beam; if it is given that
Dead load, wd = 15 kN/m
Live load, wL = 10 kN/m
Beam breadth b = 300 mm
Beam height, h = ℓ/21 mm
where; Span, ℓ = 9; and S
is the student serial number according to the following table. Use;
fc = 35 Mpa and fy = 420
Mpa.

A one-way solid slab of a span of 3000 mm and a total thickness,
h, of 150 mm is subjected to a service L.L. of
9.58 kN/m2. The concrete compressive strength,
f'c , is 20.7 MPa, the steel yielding strength,
fy , is 414 MPa, the total cover of steel is 30
mm, minimum reinforcement ratio is ρmin =
0.0033, maximum reinforcement ratio is
ρmax = 0.0135, and density of concrete
γc = 24 kN/m3. What is the required
area of...

Design a wall footing to support a 300 mm reinforced concrete
wall with dead load of 292KN/m and live load of 200 KN/m. The
bottom of the footing is 1.20 m below the final grade, the soil
weighs 15,700 N/m3. The allowable soil pressure is 190 Kpa. fy =
276.5 Mpa, fc’ = 27.6 Mpa.

WITH COMPLETE SOLUTION
A welded steel girder having the cross section of two
fabricated 280 mm x 25 mm flange and a 600 mm x 15 mm web plate.
The plates are joined by four fillet welds that run continuously
for the length of the 6 m span girder. Each weld has an allowable
load of 330 kN/m.
1.Determine the maximum allowable shear force V for the girder
in kN.
2. Calculate the maximum bending stress of the girder if...

a
rectangular beam having dimensions: b=300mm and d=550mm, spans 6m
face to face of simple supports. it is reinforced for flexure with
3D36mm bars that continue uninterrupted to the ends of the soan. it
is to carry a service dead load of 23.8 KN/m (including
self-weight) and a service lice load equal to 47.6 KN/m, both
uniformly distributed along the span. use fc’=27.6 Mpa and fy=414.7
Mpa. Normal weight concrete will be used and diameter of stirrup
are 10mm.
1.using...

A square-shaped spread footing with plan dimensions of 3m x 3m
is supporting a 500mm square concrete interior column. The column
carries a total factored load of 2850 kN. Use 25M bars Clear
cover=75mm fc’ = 25 MPa fy = 400 MPa
a) Determine the factored bearing pressure, qf, acting on the
soil due to the factored load, Pf=2850kN
b) Design the footing thickness based on two-way (punching)
shear requirements (Assume single shear will be satisfied). Assume
that the factored...

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