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_ wx abutment side added to Eq centre of gravity centre side compound truss Compres constants in Eq counterbraces depth double truss end braces equa farther abutment feet following table form the following full load full movable load greatest vertical strain half loaded half the truss Hence horizontal chord horizontal component horizontal equations horizontal strain inclined braces left abutment load covers load extends longitudinal strain lower chord maximum vertical strains measured ment moving load moving-load number of panels obtain odd number opposite panel end panel length panel point distant parabola partial load points of Simple rafter reaction right abutment secants segment Simple Truss sion Strains in Tons Substituting the values table of strains Taking moments third member triple truss TRUSS CONTAINING truss of Fig unloaded abutment upper chord vertical braces vertical component vertical distance vertical equation
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