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_ wl abutment side added to Eq centre of gravity centre side chord strains compound truss Compres constant load constant-load equations constants in Eq counterbraces depth double truss end braces Engineer equa 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 distance horizontal equations horizontal strain inclined braces load covers load extends longitudinal strain lower chord measured ment moving load number of panels obtain odd number opposite panel end 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 tical transverse triple truss TRUSS CONTAINING truss of Fig truss weight unloaded abutment upper chord vertical braces vertical component vertical equation whence zontal
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