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For Problems 4.10 to 4.22, design rectangular sections for the beams, loads, and šœŒ values shown. Beam weights are not included in the loads shown. Show sketches of cross sections, including bar sizes, arrangement, and spacing. Assume concrete weighs 150 lb/ft3, fy = 60,000 psi, and fcā€² = 4000 psi, unless given otherwise.

Question-AnswerCategory: Strength of MaterialsFor Problems 4.10 to 4.22, design rectangular sections for the beams, loads, and šœŒ values shown. Beam weights are not included in the loads shown. Show sketches of cross sections, including bar sizes, arrangement, and spacing. Assume concrete weighs 150 lb/ft3, fy = 60,000 psi, and fcā€² = 4000 psi, unless given otherwise.
Mazurek Gravity Staff asked 4 months ago

Problem 4.10
PL = 30 k
Wp = 3 k/ft
10 ft
10 ft
20 ft
Use p= Å» PO
Problem 4.11 Repeat Problem 4.10 if wp = 2 k/ft and if
PL =
For Problems 4.10 to 4.22, design rectangular sections for the beams, loads, and šœŒ values shown. Beam weights are not included in the loads shown. Show sketches of cross sections, including bar sizes, arrangement, and spacing. Assume concrete weighs 150 lb/ft3, fy = 60,000 psi, and fcā€² = 4000 psi, unless given otherwise.

1 Answers
Mazurek Gravity Staff answered 4 months ago

Ā 
 

1600899100860 IMG 20200924 034014 452Provide d = 19
Also, d = 19 = 1.58 lies between 1.5-2.0
Hanes ok
Select Kensile Sted :
b
12
(Ashrequired - bd = 0.033 (13)(11600899146493 IMG 20200924 034024 403

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