Beam A-B-C is subjected to a service (unfactored) dead load of 2.6 kips per linear foot, and a service live load of 3 kips per linear foot. In addition, the wind load has been reduced to a single point load of 10 kips located at D. Flange A-D is rigidly connected to the beam at A, and is 4 feet tall. W = 10 kip_P4 ft Wp = 2.6 kip/ft WL = 3 kip/ft B C 15 ft 6 ft 1. For each load case, draw the service level moment diagrams of member A-B-C. 2. What is the Mu (maximum and minimum factored moments) beam A-B-C must be designed for? 3. Sketch the factored moment envelope for beam A-B-C by superimposing the moment diagrams from 2-1, above, after applying the appropriate factors. Comment on how this 'moment envelop' could be used in design.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Beam A-B-C is subjected to a service (unfactored) dead load of 2.6 kips per linear foot, and a service live
load of 3 kips per linear foot. In addition, the wind load has been reduced to a single point load of 10
kips located at D. Flange A-D is rigidly connected to the beam at A, and is 4 feet tall.
Wp = 2.6 kip/ft
WL = 3 kip/ft
W = 10 kip
4 ft
C
В
6 ft
A
15 ft
1. For each load case, draw the service level moment diagrams of member A-B-C.
2. What is the Mu (maximum and minimum factored moments) beam A-B-C must be designed for?
3. Sketch the factored moment envelope for beam A-B-C by superimposing the moment diagrams
from 2-1, above, after applying the appropriate factors. Comment on how this 'moment envelop'
could be used in design.
Transcribed Image Text:Beam A-B-C is subjected to a service (unfactored) dead load of 2.6 kips per linear foot, and a service live load of 3 kips per linear foot. In addition, the wind load has been reduced to a single point load of 10 kips located at D. Flange A-D is rigidly connected to the beam at A, and is 4 feet tall. Wp = 2.6 kip/ft WL = 3 kip/ft W = 10 kip 4 ft C В 6 ft A 15 ft 1. For each load case, draw the service level moment diagrams of member A-B-C. 2. What is the Mu (maximum and minimum factored moments) beam A-B-C must be designed for? 3. Sketch the factored moment envelope for beam A-B-C by superimposing the moment diagrams from 2-1, above, after applying the appropriate factors. Comment on how this 'moment envelop' could be used in design.
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