| 释义 |
pratt truss Pratt truss[′prat ‚trəs] (civil engineering) A truss having both vertical and diagonal members between the upper and lower chords, with the diagonals sloped toward the center. pratt trussA statically determinate truss, consisting of straight top and bottom chords, regularly spaced vertical compression members, and diagonal tension members; used for medium to long spans in buildings and for small bridges. See also: trussPratt trussA truss having parallel chords, vertical members in compression, and diagonal members (which slant toward the center) in tension. |