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Dr. Lenczner said, in introducing his paper, that in practice the problem of finding an appropriate value for the constant K1 could be a difficult one and at the time the paper had been written he could see no easy solution to it. Since then, however, it had occurred to him that, provided one could establish a correct value for Janssen’s
K in the static condition one could use it to obtain K1, since there was a simple relation between them which could be obtained as follows.
Mr. T. G. Kowalski writes:-
'The author is to be congratulated on shedding a valuable first light on the problem of creep in glued joints between precast concrete segments. Further the Institution is to be commended for accepting this paper dealing with a vital, new, structural jointing medium. I hope it will be the first in a long series on similar topics. Having been modestly connected with two specific projects, which involved structural adhesives, I should like to comment briefly.'
Twenty feet clear headroom is normally required for transit sheds for the Port of London Authority but thirty feet clearance is occasionally needed where mobile cranes are used within the shed. This was the requirement for the new ' L ' Shed at South West
F.A. Page and E.H. Adams