A statically determinate beam girder ABCD is overhanging at end is supported by pinned  joined at A and roller at C respectively as shown in Figure 2. The beam girder is  subjected to a series of concentrated moving loads across the whole beam girder of 7 m  span. a) static equilibrium equation, draw the influence line for the reaction at A and C as well as shear force and bending moment at B. Indicate all-important values

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Q: LABT B C LAC A 0000 P

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Q: 6 kip 8 kip B| - 4 ft - 6 ft -4 ft 4 ft-

A: indeterminacy of the structure' Dse=R-2Dse=4-2=2Dsi=3c-r=0-1=-1D=2-1=1

Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.