An Elementary and Practical Treatise on Bridge Building: An Enl. and Improved Edition of the Author's Original WorkD. Van Nostrand, 1899 - 352 Seiten |
Im Buch
Ergebnisse 1-5 von 27
Seite
... Experiments on Cast Iron , & c .. 146 Safe practical strain of Iron 151 Note giving examples of stress of Wrought Iron in several structures in use ..... ...... 153 to 155 Table of Negative Strength of Iron in pieces of various lengths ...
... Experiments on Cast Iron , & c .. 146 Safe practical strain of Iron 151 Note giving examples of stress of Wrought Iron in several structures in use ..... ...... 153 to 155 Table of Negative Strength of Iron in pieces of various lengths ...
Seite 12
... experiment prove , as will be shown in a subsequent part of this work , that the long thrust members in bridge trusses , are liable to be broken by deflection , rather than by a crushing of the material ; that in pieces with similar ...
... experiment prove , as will be shown in a subsequent part of this work , that the long thrust members in bridge trusses , are liable to be broken by deflection , rather than by a crushing of the material ; that in pieces with similar ...
Seite 141
... experiment , have arranged plans which are confidently believed to pos sess important advantages over the plans generally in use . The preceding few pages have been transcribed from the author's original and first essay upon bridge ...
... experiment , have arranged plans which are confidently believed to pos sess important advantages over the plans generally in use . The preceding few pages have been transcribed from the author's original and first essay upon bridge ...
Seite 143
... experiments , that a bar of good wrought iron one inch square , will sustain a positive strain of about 60,000lbs . on the average ; and a negative strain , in pieces not exceeding about twice the least diameter , of 70 or 80 thousand ...
... experiments , that a bar of good wrought iron one inch square , will sustain a positive strain of about 60,000lbs . on the average ; and a negative strain , in pieces not exceeding about twice the least diameter , of 70 or 80 thousand ...
Seite 144
... of uniformity is found in their powers of negative resistance , and the following for- mula , deduced theoretically , though not fully sustained by experiment , may be useful in determining approxi- mately 144 BRIDGE BUILDING .
... of uniformity is found in their powers of negative resistance , and the following for- mula , deduced theoretically , though not fully sustained by experiment , may be useful in determining approxi- mately 144 BRIDGE BUILDING .
Andere Ausgaben - Alle anzeigen
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