The New York Rapid-transit Subway
Forfatter: Willialm Barclay Parsons
År: 1908
Forlag: The Institution
Sted: London
Sider: 135
UDK: 624.19
With An Abstract Of The Discussion Upon The Paper.
By Permission of the Council. Excerpt Minutes of Proceedings of The Institute of Civil Engineers. Vol. clxxiii. Session 1907-1908. Part iii
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Dr.
70 DISCUSSION ON NEW YORK SUBWAY. [Minutes of
Galbraith. York subway, he quite approved of the flat-roof construction. Ilie
width between the columns (12 feet) decided of course the width
of the carriages, which was the same as on the Waterloo and City
railway. No doubt the form of the cross section had a great
advantage in the room it gave in the upper part of the carriage. He
had intended to say something about columns at the edges of plat-
forms, but Colonel Yorke 'had already disposed of that point. No
doubt the carriages were not fitted with side doors, but there
was still that source of trouble in England, as he noticed the Metro-
politan railway continued to run the old carriages with side doors.
Delay in the lifts had been much aggravated lately by the change in
the fares. When there was only one fare the passenger dropped hrs
ticket into a box and the matter was ended ; now he had to show the
ticket as he entered the lift on arrival, and again on entering the lift
at his destination. That all caused delay. The logical deduction
was to have only one fare; but that had been tried and found
wanting, for the public would not pay 2d. to ride half a mile along
the street when they could take a penny omnibus. With regard
to reinforced concrete, he was glad to see the Author used a water-
proof covering all round. Reinforced concrete was very good if
water was kept away from it. At Southampton and Liverpool,
where a good deal of reinforced concrete had been used, there had
been failures, the water finding entrance to the rods and causing
rusting and scaling. It was necessary to have the rods thoroughly
surrounded with the best of concrete. He had had an idea that
painting the rods would afford better protection against rusting, but
he noticed that the Author’s experiment of applying a coat of paint
to the iron spoilt the adhesion of the concrete to the metal, and
therefore he had given up tliat idea. Tlie actual tunnelling was mucli
the same as had been done in London. In conclusion, lie compli-
mented the Author on his very instructive and admirable Paper.
Mr. Mott. Mr. Basil MOTT had read the Paper with the greatest interest
and had learned a great deal from it. He had hoped that some of
the designs might have assisted in dealing with the traffic-problem
in London, but he was afraid that was not so. He thought that
anyone who had studied the subject of London traffic would agree
that if a shallow subway was possible there was no doubt that it
was the proper thing to have, but the question was whether it was
possible. Sir John Wolfe Barry had spoken very strongly against
tubes, and he believed Sir John never had liked them, looking on
them as a sort of glorified sewer, with not mucli glory left. There
was something in that view. They were very much like sewers
especially the latest sewers constructed by Mr. Fitzmaurice—and