Hello, this is a topic in structural theory. Can you explain when he was getting the summation of moment in d he did not include AH

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Hello, this is a topic in structural theory. Can you explain when he was getting the summation of moment in d he did not include AH

HRAVOffice White Board
STRUCTURAL THEORY 1
CHAPTER 2. ANALYSIS OF DET. STRUCTURES
2.1 BEAMS & PIN-CONN. STRUC.
15 KN
4m
SKN
A3m 2m
r=3n
10 KN
Ï Į
9=9
@whole struc:
2m 2ml Dv
STAT. DET.
9=3(3): STABLE
3 клупа
ZM₂=O
Av (9)-5 (1.5) - 10 (4)-15 (2)
+3(4)( *₂2₂)=0
Av = 14.611 KN ↑
ZFV=O ↑C+1
A
@mem. AB:
5KN
4m
i.s
14.611
ZF=01(+)
Br +14.611-5=O
Br=-9.61 KN
By=9.611 KA
D.+14.611-5-10-16 = 0
1.5
CAMBO
@mem BC
101
2013
- A# (4) + 14.611(2)
-5 (1.5) = 0
AH=9.083 KN →
BH=9.083 KN
2m 2mm
9.6"
ZF-O 16+
Cv+9.611-
Cv = 15.38
MFH=0->
-CH+9.08
C# = 9.0
mem. co
Lis
2.083
IS.38
Transcribed Image Text:HRAVOffice White Board STRUCTURAL THEORY 1 CHAPTER 2. ANALYSIS OF DET. STRUCTURES 2.1 BEAMS & PIN-CONN. STRUC. 15 KN 4m SKN A3m 2m r=3n 10 KN Ï Į 9=9 @whole struc: 2m 2ml Dv STAT. DET. 9=3(3): STABLE 3 клупа ZM₂=O Av (9)-5 (1.5) - 10 (4)-15 (2) +3(4)( *₂2₂)=0 Av = 14.611 KN ↑ ZFV=O ↑C+1 A @mem. AB: 5KN 4m i.s 14.611 ZF=01(+) Br +14.611-5=O Br=-9.61 KN By=9.611 KA D.+14.611-5-10-16 = 0 1.5 CAMBO @mem BC 101 2013 - A# (4) + 14.611(2) -5 (1.5) = 0 AH=9.083 KN → BH=9.083 KN 2m 2mm 9.6" ZF-O 16+ Cv+9.611- Cv = 15.38 MFH=0-> -CH+9.08 C# = 9.0 mem. co Lis 2.083 IS.38
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