An Elementary and Practical Treatise on Bridge BuildingD. Van Nostrand, 1873 - 352 páginas |
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Términos y frases comunes
abutment act by tension acting by thrust amount of action arch truss assumed beam bearing bolts cast iron cent centre Cloth compression connecting block connecting pin construction counter-bracing cross-section curve deflection depth of truss diagram diameter distance DRAW BRIDGES equal feet flanges force full load gives gonals greater half Hence horizontal action horizontal reach horizontal thrust Illustrated inclination joists king braces latter length less liable lifting force lower chord maximum stress maximum weight movable load multiplied negative resistance nodes number of panels oblique members panel truss pieces portion posts practice pressure produced proportion rail road ratio represented respectively rivets side single track rail span splice plates square inch strain tension material thickness tical timber tion trapezoidal Truss Bridge truss Fig upper chord uprights vertical reach weight acting weight of structure weight sustained whence width wrought iron
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