For the beam and loading shown, (a) draw the shear and bending-moment diagrams, (b) determine the maximum absolute values of the shear and bending moment. Given that P=60KN, and q=25kN/m. Solution: 1. FBD for entire beam: a. There are statically supports on the beam, all together there are ◆ b. Sum moment about point I solve that By = c. Sum all the horizonal forces to zero, solve that Ax = d. Sum all the vertical forces to zero, solve that Ay = kN; direction is pointing to the kN; direction is pointing to the -2 m kN; direction is pointing to the reactions on the supports, for a 2D body, this is a mim. B → 1m -2m-
For the beam and loading shown, (a) draw the shear and bending-moment diagrams, (b) determine the maximum absolute values of the shear and bending moment. Given that P=60KN, and q=25kN/m. Solution: 1. FBD for entire beam: a. There are statically supports on the beam, all together there are ◆ b. Sum moment about point I solve that By = c. Sum all the horizonal forces to zero, solve that Ax = d. Sum all the vertical forces to zero, solve that Ay = kN; direction is pointing to the kN; direction is pointing to the -2 m kN; direction is pointing to the reactions on the supports, for a 2D body, this is a mim. B → 1m -2m-
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Homework #4
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![For the beam and loading shown, (a) draw the shear and bending-moment diagrams, (b)
determine the maximum absolute values of the shear and bending moment. Given that
P=60KN, and q=25kN/m.
Solution:
1. FBD for entire beam:
a. There are
statically
supports on the beam, all together there are
b. Sum moment about point
+
c. Sum all the horizonal forces to zero, solve that Ax =
MA.right
=
1
solve that B, =
d. Sum all the vertical forces to zero, solve that Ay =
2. Shear and bending-moment diagrams
a. From A to C: (assume that the distance from A to the cut section is x in meter)
1). Sum all the tangential forces to zero, solve that V =
kNm;
KN; direction is pointing to the
kNm;
kN; direction is pointing to the
reactions on the supports, for a 2D body, this is
KN; direction is pointing to the
KN; direction is pointing to the
Mc,left
b. From C to D: (assume that the distance from A to the cut section is x in meter)
2m-
2). Sum moment about point A, solve that bending moment MAC =
x kNm; direction is pointing to the
; particularlly, bending moment at the right of A and left side of B are: (numbers.only, no sense)
→
1 m
+
◆
-2m-
B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a42e238-4116-4e80-81a7-f4d567b4bd0e%2F63810b1f-ae7e-47ea-b17a-a6ff19363328%2Fmkqr2oe_processed.jpeg&w=3840&q=75)
Transcribed Image Text:For the beam and loading shown, (a) draw the shear and bending-moment diagrams, (b)
determine the maximum absolute values of the shear and bending moment. Given that
P=60KN, and q=25kN/m.
Solution:
1. FBD for entire beam:
a. There are
statically
supports on the beam, all together there are
b. Sum moment about point
+
c. Sum all the horizonal forces to zero, solve that Ax =
MA.right
=
1
solve that B, =
d. Sum all the vertical forces to zero, solve that Ay =
2. Shear and bending-moment diagrams
a. From A to C: (assume that the distance from A to the cut section is x in meter)
1). Sum all the tangential forces to zero, solve that V =
kNm;
KN; direction is pointing to the
kNm;
kN; direction is pointing to the
reactions on the supports, for a 2D body, this is
KN; direction is pointing to the
KN; direction is pointing to the
Mc,left
b. From C to D: (assume that the distance from A to the cut section is x in meter)
2m-
2). Sum moment about point A, solve that bending moment MAC =
x kNm; direction is pointing to the
; particularlly, bending moment at the right of A and left side of B are: (numbers.only, no sense)
→
1 m
+
◆
-2m-
B
![b. From C to D: (assume that the distance from A to the cut section is x in meter)
1). Sum all the tangential forces to zero, solve that V =
Q
2). Sum moment about point A, solve that bending moment McD
the
Mc.right
VD,right
VB,left
MD,left
c. From D to B: (assume that the distance from A to the cut section is x in meter)
1). Sum all the tangential forces to zero, solve that V =
=
=
=
MD,right
H x kNm; direction is pointing to
; particularlly, bending moment at the right of A and left side of B are: (numbers only, no sense)
kNm;
kNm;
kNm; direction is pointing to the
kNm; direction is pointing to the
2). Sum moment about point A, solve that bending moment MDB
is pointing to the
sense)
kNm;
MB,left
3. Max shear and bending-moment through the beam
1). The maximum shear occurs to the
KN; direction is pointing to the
kNm;
→
◆
→
of point
+ ; particularlly, bending moment at the right of A and left side of B are: (numbers only, no
x kN; direction is pointing to the
+
+
X-
→ which is equal to
kN;
x^2 kNm; direction](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9a42e238-4116-4e80-81a7-f4d567b4bd0e%2F63810b1f-ae7e-47ea-b17a-a6ff19363328%2Feolavgg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:b. From C to D: (assume that the distance from A to the cut section is x in meter)
1). Sum all the tangential forces to zero, solve that V =
Q
2). Sum moment about point A, solve that bending moment McD
the
Mc.right
VD,right
VB,left
MD,left
c. From D to B: (assume that the distance from A to the cut section is x in meter)
1). Sum all the tangential forces to zero, solve that V =
=
=
=
MD,right
H x kNm; direction is pointing to
; particularlly, bending moment at the right of A and left side of B are: (numbers only, no sense)
kNm;
kNm;
kNm; direction is pointing to the
kNm; direction is pointing to the
2). Sum moment about point A, solve that bending moment MDB
is pointing to the
sense)
kNm;
MB,left
3. Max shear and bending-moment through the beam
1). The maximum shear occurs to the
KN; direction is pointing to the
kNm;
→
◆
→
of point
+ ; particularlly, bending moment at the right of A and left side of B are: (numbers only, no
x kN; direction is pointing to the
+
+
X-
→ which is equal to
kN;
x^2 kNm; direction
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