Question
In: Civil Engineering
A rectangular concrete beam of width b= 600 mm, is limited by architectural considerations to a...
A rectangular concrete beam of width b= 600 mm, is limited by
architectural considerations to a maximum total depth h= 400 mm. It
= 542 kN.m. Design the umust carry a total factored load moment
Mflexural reinforcement for this member, using compression steel if
necessary. Allow 75 mm to the center of the bars from the
compression or tension face of the beam. Material strengths are
??′=27.6 ??? ??? ??=413 ?? ?.
Select reinforcement to provide the needed areas, and show a sketch
of your final design, including provision for No. 13 stirrups.
Solutions
Ally Wells answered 1 year agoRelated Solutions
A rectangular beam has a width of 300 mm and an effective depth of 510 mm....
A rectangular beam has a width of 300 mm and an effective depth
of 510 mm. It carries Vu = 200 KN and Mu = 55 KN-m and is
reinforced with 2650 mm2. Use f’c = 21 MPa and fy = 345
MPa. Normal concrete. Express your answer in two decimal
places.
a. Compute the shear strength in KN provided by concrete using
the less conservative formula as shown. Express your answer in two
decimal places.
b. Calculate the required...
A prestressed concrete beam with a rectangular sectin 120 mm wide by 300 mm deep supports...
A prestressed concrete beam with a rectangular sectin 120 mm
wide by 300 mm deep supports a a live load of 3 kN/m. The spanning
over 6 m is prestressed by a straight cable carrying an effective
prestressing force of 200000 N located at an eccentricity of 55 mm,
the density of concrete 24 kN/m3. Find : (1)- The resultant stress
distribution for the centre of span cross section of the beam (2)-
the presressing force which can balance the...
1.A reinforced concrete beam having a width of 500 mm and an effective depth of 750...
1.A reinforced concrete beam having a width of 500 mm and an
effective depth of 750 mm is reinforced with 5 – 25mm φ. The beam
has simple span of 10 m. It carries an ultimate uniform load of 50
KN/m. Use f’c = 28 MPa, and fy = 413 MPa. Determine the value of fs
in MPa. Express your answer in two decimal places.
2.A reinforced concrete beam having a width of 500 mm and an
effective depth of...
. A symmetrical rectangle box section prestressed concrete beam of external width of 300 mm and...
. A symmetrical rectangle box section prestressed
concrete beam of external width of 300
mm and external depth of 600 mm with a uniform thickness of 40 mm
is prestressed with 7
numbers straight steel wires of 7 mm diameter located at a distance
of 15 mm from the bottom
of the soffit and 5 number of 5mm diameter of the steel wires
located at the 575 mm from the
bottom of the beam . The wires were initially tensioned...
a. A symmetrical rectangle box section prestressed concrete beam of external width of 300 mm and...
a. A symmetrical rectangle box section prestressed concrete beam
of external width of 300 mm and external depth of 600 mm with a
uniform thickness of 40 mm is prestressed with 7 numbers straight
steel wires of 7 mm diameter located at a distance of 15 mm from
the bottom of the soffit and 5 number of 5mm diameter of the steel
wires located at the 575 mm from the bottom of the beam . The wires
were initially tensioned...
a. A symmetrical rectangle box section prestressed concrete beam of external width of 300 mm and...
a. A symmetrical rectangle box section prestressed concrete
beam of external width of 300 mm and external depth of 600 mm with
a uniform thickness of 40 mm is prestressed with 7 numbers straight
steel wires of 7 mm diameter located at a distance of 15 mm from
the bottom of the soffit and 5 number of 5mm diameter of the steel
wires located at the 575 mm from the bottom of the beam . The wires
were initially tensioned...
A rectangular beam of base b = 50 mm and height h = 25 mm is...
A rectangular beam of base b = 50 mm and height h = 25 mm is
bent into a curved beam of 100 mm radius (R), and is subjected to a
bending moment M of 500 N-m. Determine: The largest tensile and
compressive stresses, how do the above values compare with the ones
for straight beam?
2. A simply supported rectangular concrete beam is to be made from M21 concrete grade and...
2. A simply supported rectangular concrete beam is to be made
from M21 concrete grade and reinforced with steel bar of 345 MPa
yield strength. It carries a uniformly distributed load of 12.5
kN/m and has a span of 6 m. Design the beam, assuming that the
shape factor is 0.4. The weight density of steel is 77 kN/m3 and
that of concrete is 24 kN/m3.
An extruded, rectangular polypropylene strut of width 9 mm, depth 3 mm and length 80 mm...
An extruded, rectangular polypropylene strut of width 9 mm,
depth 3 mm and length 80 mm is to be loaded from the ends in
compression along its length with a creep load of 40 N for one
year. [Creep curves for polypropylene are shown below. The buckling
load is given by F = (2 p/ L)2 E I. For a rectangular beam the
second moment of area is given by I = (w d3) /12.].
In order to improve buckling...
A beam of monochromatic green light is diffracted by a slit of width 0.500 mm. The...
A beam of monochromatic green light is diffracted by a slit of
width 0.500 mm. The diffraction pattern forms on a wall 2.06 m
beyond the slit. The distance between the positions of zero
intensity on both sides of the central bright fringe is 5.10 mm.
Calculate the wavelength of the light.
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