An Elementary and Practical Treatise on Bridge Building: An Enlarged and Improved Edition of the Author's Original WorkD. Van Nostrand, 1873 - 352 Seiten |
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abutment act by tension acting by thrust amount of action arch truss assumed beam bearing bolts cast iron centre Cloth compression connecting block connecting pin construction counter-bracing cross-section curve deflection depth of truss diagram diameter draw draw bridges edition Engineer equal feet flanges force full load gives gonals greater half Hence horizontal action horizontal reach horizontal thrust Illustrated inclination J. P. WHITNEY 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 practical produced proportion rail road represented respectively rivets side span splice plates square inch strain strength of materials tension material thickness tical timber tion trapezoidal Truss Bridge truss Fig upper chord uprights vertical reach weight of structure weight sustained whence width wrought iron
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