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 7
... reach of the brace ; and the direct thrust ( in the direction of its length ) , equals the weight sustained multiplied by the length , and divided by the vertical reach of the brace . VIII . Now , it is obvious that the brace exerts the ...
... reach of the brace ; and the direct thrust ( in the direction of its length ) , equals the weight sustained multiplied by the length , and divided by the vertical reach of the brace . VIII . Now , it is obvious that the brace exerts the ...
Seite 9
... reach of oblique members in each figure . Also , let each chord equal 4v , 4 , and the half chord = 2 = h = horizontal reach of obliques in Figs . 3 and 4. Then ad , Fig . 3 , equals ✓h2 + 2 5 , and if the truss be loaded with a weight ...
... reach of oblique members in each figure . Also , let each chord equal 4v , 4 , and the half chord = 2 = h = horizontal reach of obliques in Figs . 3 and 4. Then ad , Fig . 3 , equals ✓h2 + 2 5 , and if the truss be loaded with a weight ...
Seite 15
... reach of the oblique , while the horizonta . constituent equals the weight sustained multiplied by the horizontal , and divided by the vertical reach of the oblique [ VII ] . ( 5 ) . The amount of material required in a tension member ...
... reach of the oblique , while the horizonta . constituent equals the weight sustained multiplied by the horizontal , and divided by the vertical reach of the oblique [ VII ] . ( 5 ) . The amount of material required in a tension member ...
Seite 21
... ] equals h zo 3h v -w , tension of chord af . = The oblique member lk , sustains weight = w ( through the vertical ck ) , and has a vertical reach = = } ' , Bik w , w = whence it suffers compression equal FIVE PANEL TRUSSES . 27 21.
... ] equals h zo 3h v -w , tension of chord af . = The oblique member lk , sustains weight = w ( through the vertical ck ) , and has a vertical reach = = } ' , Bik w , w = whence it suffers compression equal FIVE PANEL TRUSSES . 27 21.
Seite 23
... reach of its antagonist , as to horizontal action , or its fellow and assistant vertically , is to the whole length of chord ; that is , the weight x , bearing at m , through mn ' , is to w , as ns to ms ; or , x : w :: 4 : 5 . Hence xw ...
... reach of its antagonist , as to horizontal action , or its fellow and assistant vertically , is to the whole length of chord ; that is , the weight x , bearing at m , through mn ' , is to w , as ns to ms ; or , x : w :: 4 : 5 . Hence xw ...
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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