An Elementary and Practical Treatise on Bridge Building: An Enl. and Improved Edition of the Author's Original WorkD. Van Nostrand, 1899 - 352 Seiten |
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Seite 2
... material particles , extending from an elevated body downward to the earth , can hold or sustain that body above the earth , by vertical and horizontal action alone , either separately , or in combination . III . Suppose a body , no ...
... material particles , extending from an elevated body downward to the earth , can hold or sustain that body above the earth , by vertical and horizontal action alone , either separately , or in combination . III . Suppose a body , no ...
Seite 10
... material required for the member in question , omitting the extra amount in the connections . Hence , the length of the vertical tie bd , being equal to 1 , and hav- ing a stress equal to w , requires an amount of material equal to 1M ...
... material required for the member in question , omitting the extra amount in the connections . Hence , the length of the vertical tie bd , being equal to 1 , and hav- ing a stress equal to w , requires an amount of material equal to 1M ...
Seite 11
... material = M , making the whole amount of thrust material = 5M . Thus we see that the two plans require each the same precise amount of material for sustaining both tension and thrust , upon the supposition that the material is capable ...
... material = M , making the whole amount of thrust material = 5M . Thus we see that the two plans require each the same precise amount of material for sustaining both tension and thrust , upon the supposition that the material is capable ...
Seite 12
... material = 2M We have therefore , for this plan of truss , 4M , for thrust material , and 4м for tension material , which is less than in case of Figs . 3 and 4. Consequently , this plan is decidedly more economical than either of the ...
... material = 2M We have therefore , for this plan of truss , 4M , for thrust material , and 4м for tension material , which is less than in case of Figs . 3 and 4. Consequently , this plan is decidedly more economical than either of the ...
Seite 13
... material in the two pieces , acts with equal advantage , as far as regards cross - section , so that the products of stress into length of pieces , are the true exponents of amount of material required in the two pieces respectively ...
... material in the two pieces , acts with equal advantage , as far as regards cross - section , so that the products of stress into length of pieces , are the true exponents of amount of material required in the two pieces respectively ...
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Häufige Begriffe und Wortgruppen
abutment act by tension acting by thrust amount of action arch truss assumed beam bearing bolts cast iron centre cloth compression connecting block construction counter braces cross-section curve deflection depth of truss diagram diameter draw bridges Electric Engineers 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 morocco movable load multiplied negative resistance nodes number of panels oblique members panel truss pieces portion posts pressure produced Prof proportion rail road represented respectively rivets Second edition side single track rail 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