The Theory of Structures
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In our eReader you can find the full English version of the book. Read The Theory of Structures Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Theory of Structures
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To quickly assess the difficulty of the text, read a short excerpt:
. . + 1.5) = JX296.8= 148.4 Flange UX43i + 5.25 (45.81) =305.4 Total =453.8 Distance of neutral axis above xy=—^=3.63".
Maximum value of c =50.75".
Ixy for web = 30,375 gross I^y for angles= 63,794+ 112 = 63,906 gross 4j, for plates= 127,997 + 17 =128,014 gross / of gross section about axis xy = 222,295 Deduct for rivet holes, 422() + 13,824 = 1 8,050 / of net section about axis xy = 204,245 Correction for / about neutral axis = 1,647 / of net section about neutral axis = 202,598 / 202,598 „„„„... -=—-^=3992 c 50.7o .-. 3/= 3992s.
118 PLATE GIRDER DESIGN Abt. 64 Allowable Moment by Formula (17) l/=U+T^i/i,)s/i= (13.88 + 26.25 + 3.75)90.428= 3967s.
In this case the approximation equals about one-half per cent on the safe side.
The examples that have been given show that formula (17) gives for ordinary girders a very close approximation to the value obtained by the si ordinary beam formula M= — . It is much more convenient to use, since by it the required flange area can be directly computed, after the web is determined, by estimating the value h, which can be done by the expe- rienced computor with little error.
What to read after The Theory of Structures?
You can find similar books in the "Read Also" column, or choose other free books by Spofford, Charles Milton, 1871- to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
. . + 1.5) = JX296.8= 148.4 Flange UX43i + 5.25 (45.81) =305.4 Total =453.8 Distance of neutral axis above xy=—^=3.63".
Maximum value of c =50.75".
Ixy for web = 30,375 gross I^y for angles= 63,794+ 112 = 63,906 gross 4j, for plates= 127,997 + 17 =128,014 gross / of gross section about axis xy = 222,295 Deduct for rivet holes, 422() + 13,824 = 1 8,050 / of net section about axis xy = 204,245 Correction for / about neutral axis = 1,647 / of net section about neutral axis = 202,598 / 202,598 „„„„... -=—-^=3992 c 50.7o .-. 3/= 3992s.
118 PLATE GIRDER DESIGN Abt. 64 Allowable Moment by Formula (17) l/=U+T^i/i,)s/i= (13.88 + 26.25 + 3.75)90.428= 3967s.
In this case the approximation equals about one-half per cent on the safe side.
The examples that have been given show that formula (17) gives for ordinary girders a very close approximation to the value obtained by the si ordinary beam formula M= — . It is much more convenient to use, since by it the required flange area can be directly computed, after the web is determined, by estimating the value h, which can be done by the expe- rienced computor with little error.
What to read after The Theory of Structures?
You can find similar books in the "Read Also" column, or choose other free books by Spofford, Charles Milton, 1871- to read onlineMoreLess
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