Calculate the minimum width of beam AB in accordance with NSCP 2015 in mm.ROUND UPyour answer to the nearest 10 mm. Using the rounded beam width, calculate the effective depth of the negative moment section of beam AB in mm.0 Using the rounded beam width, calculate the ultimate moment capacity of the negative moment section of beam AB in kN.m.0

Steel Design (Activate Learning with these NEW titles from Engineering!)
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Chapter9: Composite Construction
Section: Chapter Questions
Problem 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...
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Calculate the minimum width of beam AB in accordance with NSCP 2015 in mm.ROUND UPyour answer to the nearest 10 mm.
Using the rounded beam width, calculate the effective depth of the negative moment section of beam AB in mm.0
Using the rounded beam width, calculate the ultimate moment capacity of the negative moment section of beam AB in kN.m.0
Calculate the total deadload that can be imposed in beam AB without exceeding the ultimate moment capacity of the negative moment section in kN/m.0
Using the rounded beam width, calculate the depth of neutral axis in the positive moment section of beam AB in mm.85
Using the rounded beam width, calculate the ultimate moment capacity of the positive moment section of beam AB in kN.m.0

Given:
Table 406.5.2 Approximate Moments for Non-
Prestressed Continuous Beams and One-Way Slabs
Concrete cover =
60mm
Stirrups diameter = 12mm
L = 6m; L2 = 7m
S= 2.8m
Moment
Location
Condition
M
Discontinuous end
integral with
support
Wul/14
Live load = 10kPa
End span
Steel strength, fy = 420MPA
Column = 600mm by 600 mm
Positive
Discontinuous end
unrestrained
Interior
A
All
spans
Member built
Integraliy with
supporting
spandrel beam
S
Wul/24
Interior face
of exterior
support
Member built
integrally with
supporting column
Wyl/16
S
Exterior face
Two spans
of first
interior
More than two
S
support
Wul/10
spans
K
Negativel]
Face of
Other
All
WulG/11
supports
L1
L2
a) Slabs with spans
not exceeding 3m.
b) Beams where
ratio of sum of
b
b
Face of all
supports
satisfying
(a) or (b)
Wu l/12
column stiffnesses
to beam stiffness
8-28 o
exceeds 8 at cach
800 mm
800 тm
end of span
4 — 28 ф
[1]
To calculate negative moments, en shall be the average of
the adjacent clear span lengths.
Transcribed Image Text:Given: Table 406.5.2 Approximate Moments for Non- Prestressed Continuous Beams and One-Way Slabs Concrete cover = 60mm Stirrups diameter = 12mm L = 6m; L2 = 7m S= 2.8m Moment Location Condition M Discontinuous end integral with support Wul/14 Live load = 10kPa End span Steel strength, fy = 420MPA Column = 600mm by 600 mm Positive Discontinuous end unrestrained Interior A All spans Member built Integraliy with supporting spandrel beam S Wul/24 Interior face of exterior support Member built integrally with supporting column Wyl/16 S Exterior face Two spans of first interior More than two S support Wul/10 spans K Negativel] Face of Other All WulG/11 supports L1 L2 a) Slabs with spans not exceeding 3m. b) Beams where ratio of sum of b b Face of all supports satisfying (a) or (b) Wu l/12 column stiffnesses to beam stiffness 8-28 o exceeds 8 at cach 800 mm 800 тm end of span 4 — 28 ф [1] To calculate negative moments, en shall be the average of the adjacent clear span lengths.
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