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 10
... seen above ) , w , whence material - 4M . This added to 1м , required for the vertical , makes a total of 5м , for material exposed to tension in truss 3 . The two thrust braces , as already seen , sustain com- pression equal to w✓5 ...
... seen above ) , w , whence material - 4M . This added to 1м , required for the vertical , makes a total of 5м , for material exposed to tension in truss 3 . The two thrust braces , as already seen , sustain com- pression equal to w✓5 ...
Seite 11
... seen , that in this respect , plan 3 has the advantage in having the compression sustained mostly by shorter pieces , unless ki be supported vertically and laterally by a stiff connection with the beam at f , which would increase the ...
... seen , that in this respect , plan 3 has the advantage in having the compression sustained mostly by shorter pieces , unless ki be supported vertically and laterally by a stiff connection with the beam at f , which would increase the ...
Seite 16
... seen in Fig . 6 . The cross beams , may be at b b ' , or suspended at c and d , at equal horizontal distances from a a ' , and from one another ; which latter position they will be re- garded as occupying in this instance . Or , the 16 ...
... seen in Fig . 6 . The cross beams , may be at b b ' , or suspended at c and d , at equal horizontal distances from a a ' , and from one another ; which latter position they will be re- garded as occupying in this instance . Or , the 16 ...
Seite 18
... seen that the horizontal thrust of ab , equal to the tension of chord aa ' , equals Zw , and the * When is used in the co - efficient of M , then M represents the pro duct of the stress , in terms of w , by length according to any ...
... seen that the horizontal thrust of ab , equal to the tension of chord aa ' , equals Zw , and the * When is used in the co - efficient of M , then M represents the pro duct of the stress , in terms of w , by length according to any ...
Seite 21
... seen in Fig . 9 . 2 FIG . 8 . k i g a Ъ c d e b = For the analysis of these trusses , using the same no- tation as before , as far as applicable , that is , making v = verticals ck , in 8 and 10 , and equal to nn ' , pm ' , etc. , in ...
... seen in Fig . 9 . 2 FIG . 8 . k i g a Ъ c d e b = For the analysis of these trusses , using the same no- tation as before , as far as applicable , that is , making v = verticals ck , in 8 and 10 , and equal to nn ' , pm ' , etc. , in ...
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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