Question
Download Solution PDFWhich of the followings are indeterminate structure?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFIt is statically determinate and all the reactions can be found using equations of static equilibrium only. The internal hinge present makes the 3 hinged arch, statically determinate.
A continuous beam is a statically indeterminate structure and degree of indeterminacy depends on support conditions.
The above shown frame is an example of redundant frame. It is also statically indeterminate to 3 degree.
Hence continuous beam and redundant frame are statically indeterminate structures.
Important Point:
Statically Determinate Structures: Those structures in which reactions and internal member forces can be obtained from equations of static equilibrium only the called statically determinate structures. e.g. simply supported Beam, 3 hinged arch.
Statically Indeterminate Structure: Those structures where all the member forces and support reactions cannot be evaluated using equations of static equilibrium only and need additional compatibility equations are called statically indeterminate structures. e.g. fixed Beam, 2-hinged arch.
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