II A. USE THE PORTAL METHOD AND DETERMINE (APPROXI MAITE) THE REACTIONS@SUPPORTS A, B, C ANDO.B. USE THE CANTILEVER METHOD AND DETERMINEA,B,C AND D. ALL COLUMNS HAVE THEJ12FFF5mOVEN IIZKUEImTHE REACTIONSSAME CROSS-SECTIONAL AREA.5mH4m4mD70707.: De=R-UDe-12-329Di 3n 3(3)-9·D. De tDD' 9+9=18AT SUPPORTS

Note : Since you have asked multiple methods, we will solve the first method (Portal method) for…

II A. USE THE PORTAL METHOD AND DETERMINE (APPROXI MAITE:) THE REACTIONS @SUPPORTS A, B, C ANDO. B. USE THE CANTILEVER METHOD AND DETERMINE A,B,C AND D. ALL COLUMNS HAVE THE ON I 1200 E 1 5m F 2 77777 THE REACTIONS SAME CROSS-SECTIONAL AREA. 5m H 4m D 70707 .: De=R-U De 12-3-9 Di 3n 3(3)-9 D. De tD Do 9+9=18 AT SUPPORTS

II A. USE THE PORTAL METHOD AND DETERMINE (APPROXI MAITE:) THE REACTIONS @SUPPORTS A, B, C ANDO. B. USE THE CANTILEVER METHOD AND DETERMINE A,B,C AND D. ALL COLUMNS HAVE THE ON I 1200 E 1 5m F 2 77777 THE REACTIONS SAME CROSS-SECTIONAL AREA. 5m H 4m D 70707 .: De=R-U De 12-3-9 Di 3n 3(3)-9 D. De tD Do 9+9=18 AT SUPPORTS

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

II A. USE THE PORTAL METHOD AND DETERMINE (APPROXI MAITE) THE REACTIONS
@SUPPORTS A, B, C ANDO.
B. USE THE CANTILEVER METHOD AND DETERMINE
A,B,C AND D. ALL COLUMNS HAVE THE
J
1
2
FF
F
5m
OVEN I
IZKUE
Im
THE REACTIONS
SAME CROSS-SECTIONAL AREA.
5m
H
4m
4m
D
70707
.: De=R-U
De-12-329
Di 3n 3(3)-9
·
D. De tD
D' 9+9=18
AT SUPPORTS

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Step 1: Introducing Given Data

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Step 2: Calculating shear in columns at point of contraflexures & joints I, J

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Solution

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Step 3: Calculations for Joint I & J

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Step 4: FBD of joints E,F,A,B,K & L

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Step 5: Calculations for Joint E & F

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Step 6: Calculations for Joint A & B

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Step 7: Calculations for Joint K & L

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Step 8: FBD of joints G,H,C & D

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Step 9: Calculations for Joint G & H

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Step 10: Calculations for Joint C & D

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