Question

The stirrups of the cantilever beam are spaced 100 mm apart. The beam’s dimensions are 250 mm x 415 mm and is reinforced by 2 – 20 mm ∅ tension bars. Neglecting the weight of concrete, determine the allowable load P applied at the free end. Use fs = 140 Mpa, fv = 70 Mpa, ?? = 0.80 ???, ????? ?? = 1.40 ???, ??? ? = 7 8 . Allow 65 mm distance from centroid of steel bars to extreme fibers. Determine also the required length of embedment of the reinforcing bars.

Answer #1

ANSWER

The stirrups of the cantilever beam are spaced 100 mm apart. The
beam’s dimensions are 250 mm x 415 mm and is reinforced by 2 – 20
mm ∅ tension bars. Neglecting the weight of concrete, determine the
allowable load P applied at the free end. Use fs = 140 Mpa, fv = 70
Mpa, ?? = 0.80 ???,????? ?? = 1.40 ???,??? ? = 7 8 . Allow 65 mm
distance from centroid of steel bars to extreme fibers....

Design shear reinforcement for a singly reinforced beam of 250
mm wide and 450 mm effective depth. The beam is reinforced with 4
no., 20 mm dia. bars on tension side. The factored shear force at
critical section is 50 kN. Assume 8 mm diameter 2 legged vertical
stirrups. Use M30 concrete and Fe415 steel

A rectangular beam of size 250 * 650 mm, with
effective depth of 570 mm, is reinforced with 6- #19 steel bars in
two rows. Stirrups of dia. 10 mm are used as shear reinforcement
with concrete of Grade C-25 and steel of Grade 420 is to be
used.
Find the nominal moment capacity of the section.

Determine the largest allowable bending moment for a rectangular
reinforced concrete beam having the width b = 200 mm, total height
h = 375 mm and the distance from the bottom surface of the beam to
the centre line of steel bars = 75 mm. Use the total area of steel
As = 1360 mm2, modulus of elasticity of concrete = 30 GPa, modulus
of elasticity of steel = 210 GPa, allowable compressive stress for
concrete = 15 MPa and...

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...

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