A Treatise on the Strength of Bridges and Roofs: With Practical Applications and Examples for the Use of Engineers and StudentsD. Van Nostrand, 1873 - 346 ページ |
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多く使われている語句
abutment side added to Eq centre of gravity centre side chord members chord strains compound truss Compres constant load constant truss constant-load equations constants in Eq counterbraces depth double truss end braces farther abutment feet following table form the following full load half loaded half the truss Hence horizontal chord horizontal component horizontal strain inclined braces left abutment load covers load extends longitudinal strain lower chord measured ment moving load multiplied number of panels obtain odd number panel end parabola partial load pillar points of Simple reaction right abutment secants segment Simple Truss sion Strains in lbs Strains in Tons struts Substituting the values table of strains Taking moments triple truss TRUSS CONTAINING truss of Fig truss weight uniform unloaded abutment upper chord vertical braces vertical component vertical distance vertical equation wx H wx wx гор горх
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