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Indirect Load Application
So far, we have been considering cases when external loads were applied directly to the…
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Moving Loads
Influence line for any function Z allows us to calculate Z for any position of…
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Application of Influence Lines for Fixed and Moving Loads
Influence lines, which describe variation of any function Z (reaction, bending moment, shear, etc.) in…
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Influence Line Qk
Since the expression for shear depends on whether the load P is located to the…
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Influence Lines for Internal Forces
Simply supported beam subjected to moving unit load P is presented in Fig. 2.4. Construction…
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Influence Lines for Reactions
The following types of beams are considered: simply supported beam, beam with overhang, and cantilever…
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General Theory of Influence Lines
Construction of influence lines for one span simply supported and cantilevered beams in case of…
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Degrees of Freedom
A number of independent parameters, which define configuration of a system without deformation of its…
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Analytical Criteria of the Instantaneously Changeable Structures
Kinematical analysis of a structure can also be done using the static equations. The following…
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Generation of Geometrically Unchangeable Structures
In order to produce a rigid structure in a whole, the rigid discs should be…