Author: Noble, George
First published: N/A
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The CHAIRMAN (Mr. Ewart S . Andrews, Vice- President) said that seldom had the work described in a paper been so well illustrated as in this case by lantern slides. He suggested that speakers in the discussion might with advantage express their views as to the manner in which one could calculate the resistance to an anchor block such as was shown in the type B construction referred to in the paper, to which anchor block the large tension rods were attached.
It is well known that the loading of certain -materials produces not only an initial
and immediate strain, but also a further deformation which continues to increase with
t'ime, although the applied load is unaltered. Just as a block of pitch flows continuously under the action of a load which may be merely its own weight, so, in varying degrees of magnitude, is the phenomenon noticeable in other materials such as cement, concrete, stone and wood, when they are maintained under constant load.
DURING the last few years the term "Stadia" has frequently been used in describing sports enclosures. It is derived from the old Greek word " Stadium," which originally applied to the foot race course at Olympia. This structure was erected in the 3rd century, B.C., and was 630 feet in length, with two parallel tiers of stone seats along
each side, joined at one end by a semicircular curve. It is interesting to note that the distance between the two end pylons measured 606.75 feet, and that this was afterwards adopted by the Romans as a measure of distance, eight "Stadia" being equal to one Roman Mile.