Question

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 the simplified equation, what is the nominal shear capacity
of concrete at a section 1m from the support?

2. using the exact equation, what us the nominal shear
capacity of concrete at a section 1m from the support?

3. using the simplified equation to evaluate the shear
capacity of concrete, what should be the ultimate shear strength
provided by web reinforcements at a section 1m from the
support?

4. based on NSCP code provisions and the simplified equation
to evaluate the shear capacity of concrete, what is the maximum
allowable spacing of stirrups at a section 1m from the
support?

5. usung simplified equation to evaluate the shear capacity of
concrete, what is the required spacing of stirrups at a section 1m
from the support?

6. using the simplified equation to evaluate the shear
capacity of concrete, theoretically web reinforcement will not be
required at what section of the beam?

Answer #1

I didnt solve the 4th one , depend on Nscp code . I have shared all the answers , thankyou

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