Homework Answers
Column slenderness and length are correlated with the failure of axial loaded columns.
Very short columns fail by crushing due to material failure and it occurs once the stress exceeds the elasticity at yield point. So failure can be prevent by reducing the stress acting to the column by designing with appropriate length.
Long, slender column fail by buckling- dimension of column and modulus of elasticity relation
Failure occurs at a lower stress level than the material strength due to buckling.
Local stability check for adequacy of the axial compression member against lateral buckling
[1-(ah/lu)( dht-2Ar/t(D+2B)]2 ≤1.0
Where,
lu - Unbraced length of compression flange
ah - length of opening
dh - Depth of opening
D- Overall Depth of steel beam
B- Breadth of flange
t- Thickness of the web
Ar – Area of reinforcement
Add Answer to:
(1) Write down the local stability checking formula of solid web axial compression member. When the...
write down the local stability checking formula of solid web axial compression member. when the local...
write down the local stability checking formula of solid web axial compression member. when the local stability of column web does not meet the requirements, what measures should be taken?
(1) Write down the local stability checking formula of solid web axial compression member. When the...
(1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? (3) Briefly describe the cross-sectional selection principle of axially loaded members: axially loaded members.
(1) Write down the local stability checking formula of solid web axial compression member. When the...
(1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? |(3) Briefly describe the cross-sectional selection principle of axially loaded members: axially loaded members. (4) Briefly describe the function of hexagonal hole setting in...
(1) Write down the local stability checking formula of solid web axial compression member. When the...
(1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? |(3) Briefly describe the cross-sectional selection principle of axially loaded members: axially loaded members. (4) Briefly describe the function of hexagonal hole setting in...
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down...
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken?
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down...
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken?
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down...
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken?
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down...
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? (3) Briefly describe the cross-sectional selection principle of axially loaded members:...
(1) The condition for the axial compression member equal stability in both principal axes: C) A....
(1) The condition for the axial compression member equal stability in both principal axes: C) A. Equal bar length B. Equal calculated length C. Equal slenderness ratio D. Equal sectional geometry dimension (2) The ultimate state of the axial tensile member is calculated by strength is: A. The average stress of the net section reaches the tensile strengthſ of the steel. B. The average stress of the gross section reaches the tensile strength of the steel. C. The average stress...
(2) As shown in the figure, check whether the strength, global stability and local stability of...
(2) As shown in the figure, check whether the strength, global stability and local stability of the axial compression member can meet the requirements. The axial load design value N=1500KN, column height is 7m, a lateral support point is set in the x-axis direction of the mid-point of the column height, steel Q235B, F=215N/mm², section without any weakening. (Full score is 20) N. у -250x14 23.00 3500 7000 7000 х -250x8 3600 X - 250x14 Unit: mm N
(1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? (3) Briefly describe the cross-sectional selection principle of axially loaded members: axially loaded members.
(1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? |(3) Briefly describe the cross-sectional selection principle of axially loaded members: axially loaded members. (4) Briefly describe the function of hexagonal hole setting in...
(1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? |(3) Briefly describe the cross-sectional selection principle of axially loaded members: axially loaded members. (4) Briefly describe the function of hexagonal hole setting in...
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken?
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken?
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken?
2. Short answer questions (5 scores for each question, 20 scores in total) (1) Write down the local stability checking formula of solid web axial compression member. When the local stability of column web does not meet the requirements, what measures should be taken? (2) When calculating the global stability of lattice axial compression members suffering from bending about the imaginary axis, why is the equivalent slenderness ratio used? (3) Briefly describe the cross-sectional selection principle of axially loaded members:...
(1) The condition for the axial compression member equal stability in both principal axes: C) A. Equal bar length B. Equal calculated length C. Equal slenderness ratio D. Equal sectional geometry dimension (2) The ultimate state of the axial tensile member is calculated by strength is: A. The average stress of the net section reaches the tensile strengthſ of the steel. B. The average stress of the gross section reaches the tensile strength of the steel. C. The average stress...
(2) As shown in the figure, check whether the strength, global stability and local stability of the axial compression member can meet the requirements. The axial load design value N=1500KN, column height is 7m, a lateral support point is set in the x-axis direction of the mid-point of the column height, steel Q235B, F=215N/mm², section without any weakening. (Full score is 20) N. у -250x14 23.00 3500 7000 7000 х -250x8 3600 X - 250x14 Unit: mm N
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