454 For Problems 20.17 through 20.20, use the matrix approach to solve fo the member end forces. In each case the displacements at each DOF are given. Perform calculations in units of k and in. 1000 lei T 1250 in and

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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454
DIRECT STIFFNESS METHOD FOR
For Problems 20.17 through 20.20, use the matrix approach to solve for
the member end forces. In each case the displacements at each DOF are
given. Perform calculations in units of k and in.
P20.17 E = 1900 ksi, I = 1250 in, and
a
0.0
in.
b
0.001
rad
{u} (¹) =
C
1.1
in.
d
-0.0015
rad
(Ans: V₁ = -6.86 k, MB = 541.2 k-in.)
a
1
- 14 ft -
Problem 20.17
Transcribed Image Text:454 DIRECT STIFFNESS METHOD FOR For Problems 20.17 through 20.20, use the matrix approach to solve for the member end forces. In each case the displacements at each DOF are given. Perform calculations in units of k and in. P20.17 E = 1900 ksi, I = 1250 in, and a 0.0 in. b 0.001 rad {u} (¹) = C 1.1 in. d -0.0015 rad (Ans: V₁ = -6.86 k, MB = 541.2 k-in.) a 1 - 14 ft - Problem 20.17
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