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uestion 2 Consider the portal frame of Figure 2 having unequal beam and columns (Mu- 240kNm for the columns, Mu-720kNm...
uestion 1 Consider the portal frames of Figure 1 having unequal beam and columns, and carrying horizontal and vertical...
uestion 1 Consider the portal frames of Figure 1 having unequal beam and columns, and carrying horizontal and vertical loads, a) Find all possible "simple" and "combined" collapse mechanisms for the considered external loads. Make sure that you draw the plastic hinges at the correct location. b) Find the collapse load Pc corresponding to the various mechanisms you have identified. c) Which of the collapse mechanisms you have found in a) is the "true" one? Why? l/2 l/2 2W 2P...
Q2 The portal frame carries vertical and horizontal forces as shown in the figure below. If Mp is equal to 80 kNm deter...
Q2 The portal frame carries vertical and horizontal forces as shown in the figure below. If Mp is equal to 80 kNm determine the upper and the lower load factors against collapse. Consider at least 2 combined mechanisms. 30 kN/m 2 m 3 m 100 kN 2M 2 m 2 m
Q2 The portal frame carries vertical and horizontal forces as shown in the figure below. If Mp is equal to 80 kNm determine the upper and the lower load...
The plane frame in fig. 1 has columns of length h pinned at the base. The beam is welded to the columns and is of leng...
The plane frame in fig. 1 has columns of length h pinned at
the base. The beam is welded to the columns
and is of length 2l. Equal loads P are applied at the mid-span
of both the beam and the right column. Find
the collapse load PC
in terms of MP
,
where MP
is the plastic moment of the columns and beam.
l is 3 m and h is 5m.
The plane frame in fig. 1 has...
Im mostly interested in question C but you might need the other questions to get the answers 4. Consider the portal...
Im mostly interested in question C but you might need the
other questions to get the answers
4. Consider the portal frame illustrated in Figure 04. The frame is subjected to two point loads as shown. The two vertical members have a plastic moment capacity 2.M, while the horizontal member has a plastic moment capacity M,. Use the Virtual Work Method to answer the following questions: (a) Identify all collapse mechanisms and calculate their corresponding load combinations. 10 marks) (b)...
uestion 1 Consider the portal frames of Figure 1 having unequal beam and columns, and carrying horizontal and vertical loads, a) Find all possible "simple" and "combined" collapse mechanisms for the considered external loads. Make sure that you draw the plastic hinges at the correct location. b) Find the collapse load Pc corresponding to the various mechanisms you have identified. c) Which of the collapse mechanisms you have found in a) is the "true" one? Why? l/2 l/2 2W 2P...
Q2 The portal frame carries vertical and horizontal forces as shown in the figure below. If Mp is equal to 80 kNm determine the upper and the lower load factors against collapse. Consider at least 2 combined mechanisms. 30 kN/m 2 m 3 m 100 kN 2M 2 m 2 m
Q2 The portal frame carries vertical and horizontal forces as shown in the figure below. If Mp is equal to 80 kNm determine the upper and the lower load...
The plane frame in fig. 1 has columns of length h pinned at
the base. The beam is welded to the columns
and is of length 2l. Equal loads P are applied at the mid-span
of both the beam and the right column. Find
the collapse load PC
in terms of MP
,
where MP
is the plastic moment of the columns and beam.
l is 3 m and h is 5m.
The plane frame in fig. 1 has...
Im mostly interested in question C but you might need the
other questions to get the answers
4. Consider the portal frame illustrated in Figure 04. The frame is subjected to two point loads as shown. The two vertical members have a plastic moment capacity 2.M, while the horizontal member has a plastic moment capacity M,. Use the Virtual Work Method to answer the following questions: (a) Identify all collapse mechanisms and calculate their corresponding load combinations. 10 marks) (b)...
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