An Encyclopædia of Architecture: Historical, Theoretical, & PracticalLongmans, Green, and Company, 1881 - 1395 Seiten |
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Seite 356
... voussoirs would be sustained , or , in other words , equivalent to an horizontal plane . 1372. We shall here submit another experiment , which tends to establish such an hypo- thesis . If a parallelopiped C ( fig . 565. ) of this stone ...
... voussoirs would be sustained , or , in other words , equivalent to an horizontal plane . 1372. We shall here submit another experiment , which tends to establish such an hypo- thesis . If a parallelopiped C ( fig . 565. ) of this stone ...
Seite 357
... voussoirs and wedges disunited , made of freestone , with the utmost exactness , the joints and surfaces nicely wrought , as the parallelopipeds in the preceding example . 1375. The first model was of a semicircular arch 9 inches ...
... voussoirs and wedges disunited , made of freestone , with the utmost exactness , the joints and surfaces nicely wrought , as the parallelopipeds in the preceding example . 1375. The first model was of a semicircular arch 9 inches ...
Seite 358
... voussoirs N , O. The two halves of the arches united bore a weight of 5 lbs . 2 oz . before the first voussoirs gave way . 1380. To find the effect of each of these voussoirs when the arch is raised upon its piers , let fall from the ...
... voussoirs N , O. The two halves of the arches united bore a weight of 5 lbs . 2 oz . before the first voussoirs gave way . 1380. To find the effect of each of these voussoirs when the arch is raised upon its piers , let fall from the ...
Seite 359
... voussoir . This weight may be resolved into two forces , whereof one , Nc , is parallel to the joint , and the other Na is ... voussoirs in equilibrium upon their beds by the several arms of the levers , as in the preceding calculations ...
... voussoir . This weight may be resolved into two forces , whereof one , Nc , is parallel to the joint , and the other Na is ... voussoirs in equilibrium upon their beds by the several arms of the levers , as in the preceding calculations ...
Seite 360
... voussoir A on the joint IF ( of the pier ) which forms with the horizontal line NF an angle of 68 ° 45 ' , we have For ... voussoirs acting without friction , and only kept in their places by their mutual forces acting on each other . It ...
... voussoir A on the joint IF ( of the pier ) which forms with the horizontal line NF an angle of 68 ° 45 ' , we have For ... voussoirs acting without friction , and only kept in their places by their mutual forces acting on each other . It ...
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