Civil Engineering - Theory of Structures - Discussion
Discussion Forum : Theory of Structures - Section 2 (Q.No. 30)
30.
The degree of indeterminacy of the frame in the given figure, is
Discussion:
38 comments Page 2 of 4.
Anuraag Athreya said:
6 years ago
The hint is given in the question that BC should be considered as one member. So only 9 members.
5 Joints and 3 reactions...applying m+r-2j the answer is 2.
5 Joints and 3 reactions...applying m+r-2j the answer is 2.
Saqib khattak said:
6 years ago
Anyone explain the correct method for the answer.
Manimegalai said:
6 years ago
How did you tell member=10? Joint=6, reaction=3, please explain.
Alagarbrindha said:
6 years ago
m= 12, r= 3, j= 7.
Ds= m+r-2j.
Hence Ds= 12+3-7(2) = 15-14 = 1.
Ds= m+r-2j.
Hence Ds= 12+3-7(2) = 15-14 = 1.
Nihar said:
6 years ago
How to find r here?
Prafulla said:
5 years ago
Dse = m-2 * (j-4)+3,m = 2.
m - no. Of members require to form an extra joint, (j-4) joints to form an extra joint j=5 substitute in above eqn we get dse = 3.
Dsi = r-3 = 3-3=0,
Ds = dse+dsi = 0+3 = 3.
m - no. Of members require to form an extra joint, (j-4) joints to form an extra joint j=5 substitute in above eqn we get dse = 3.
Dsi = r-3 = 3-3=0,
Ds = dse+dsi = 0+3 = 3.
Ananya said:
4 years ago
Answer should be 2.
m= 12, j=5, r=3.
m= 12, j=5, r=3.
Anon said:
4 years ago
@Bikash Bhattrai.
By your logic, m=10, so the answer is 1.
By your logic, m=10, so the answer is 1.
Habiba said:
3 years ago
Point C is also considered hinged so the total of reactions is 5.
R is 5,
M is 12,
J is 7.
And DETERminacy is 12+5-(14)=3.
R is 5,
M is 12,
J is 7.
And DETERminacy is 12+5-(14)=3.
Subhankar Mondal said:
7 years ago
Ans should be 1.
m=10,
r=3,
j=6.
m=10,
r=3,
j=6.
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