The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 278
ir upper edges. Practically the line of re-sistance then, in an arch of unceynented stones, touches the extrados at thecrown ; so that only the first of the two conditions of the minimmn statedabove actually contains : that: namely, which gives to the line of resistance acontact with the intrados… … To simplify the analytical discussion of the question, I have hitherto as-sumed the load upon the semi-arch to be placed over a single point of it X,fig. 2. I now imagine it to be distributed in any way over the extrados, butsymmetrically iu respect to the two opposite semi-arehes. The centre…
Architecture · Civil engineering · Science
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