Sustainable Energy
1st Edition
ISBN: 9781133108689
Author: Richard A. Dunlap
Publisher: Cengage Learning
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Design a fully restrained BFP moment connection to support the factored bending
moment of 1,200 kN·m and factored shear force of 95 kN due to wind and gravity
loads. Use 90mm spacing between the bolts, and 40mm edge spacing. The steel
grade is A992 for the W920 × 201 beam and W840 × 359 column and A36 for the
steel plate (30 mm thick). Use FEXX = 450 MPa electrodes and 20mm A490 bolts
(threads included) for the flange plate (Fr= 457 MPa), 16mm A307 bolts for the
shear tab (Fnv = 165 MPa).
Steel Section Properties
W920 × 201
W840 × 359
D₁ = 904 mm bf = 305 mm tf = 20.1 mm tw = 15.2 mm
d = 869 mm bf = 404 mm tf = 35.6 mm tw = 21.1 mm
Summary of answer:
Flange Plate:
bPL =
tPL
=
No. of Bolts: Flange bolt =
Thickness of fillet weld on shear tab:.
Shear tab =
A6.1- A simply supported beam, as shown in Figure 3, is subjected to factored point load Pr=
1250 kN. The beam is designed to have 6-30M bars to resist the maximum bending moment, Mat
the section 900 mm away from the centerline of the support.
Determine the required development length for the reinforcement at the section with the maximum
bending moment. If it is not possible to provide straight bar anchorage into the left support, design
the hooked anchorage.
Given: Concrete: Normal density with f'c = 25 MPa
Reinforcement: Uncoated rebars with fy = 400 MPa
Shear reinforcement is in excess of CSA 23.3 minimum requirement: 10M
Clear cover to the stirrups: 30 mm
Column: 200mm x 500mm
m
+
1
b=500 mm
200mm
Σ
Mf
6-30M
Figure 3
10 m
200mm
h=1000 mm
+
As = 6-30M
Cross-section
P
What's the stress increase, DUZ (induced stress) at point p
according to the chart shown? Show work and mark the
chart to demonstrate how you came up with an answer
36ff
Qis
24f+
P (at depth 12ft)
Point R is below Q, which is on the edge of the footing.
24 ft from one corner (thus 12 from the other). Show
how to divide the area into two and use the principle of
Super position to calculate stress increase (DJ₂) aka
induced stress at R. Draw a plan view of Area I and
Arca 2. Find L1, B₁, and 2, dimensions and indicate them
accordingly on both Area 1 and Area 2
24f1
-
24ft
•R (depth 12ft)
Knowledge Booster
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- NOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forwardNOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forwardNOTE: Use areal methods only for V,M,N diagrams(Do NOT use the equations) (also draw the N diagram(s) for the entire structure)arrow_forward
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