Author: Beare, Sir Thomas
1st December 1933
First published: 1st December 1933
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Beare, Sir Thomas
Sir,-The difficulties which certain engineers seem to be encountering in the proper interpretation of clauses mentioned by Mr. Cocking in his letter published in the November issue do not seem to be insuperable, if, indeed, they do exist.
On pages 532 and 533 we publish a chart of Ferro-Concrete Sections, by Mr. A. D. Turner, which shows in a compact form the principles of calculation of all ordinary ferro-concrete members, including the complexities of bending plus compression. A point in connection with this contribution is that in case VI, the author appears to ignore the movement of the neutral axis which takes place when steel is introduced
for taking compression stresses. This is done in other authoritative methods of calculation, and the error introduced in most cases is small and may be ignored without substantial error. It should be noted, however, that in special cases it might require further investigation.
Major JAMES CALDWELL (Member) (who was the author of the first paper presented to the Institution on the subject of welding) proposed a vote of thanks to Mr. Helsby, and congratulated him upon his paper, which had been prepared and published with a view
to showing people in this country and overseas what could be done in the way of welded construction.