Concrete Roads
and Their Construction
År: 1920
Serie: Concrete Series
Forlag: Concrete Publications Limited
Sted: London
Sider: 197
UDK: 625.8 Con-gl.
Being a Description of the concrete Roads in the United Kingdom, together with a Summary of the Experience in this Form of Construction gained in Australia, Canada, New Zealand and the United States of America.
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IN industrial works AND MILITARY CAMPS 8.'
Fig. 55.—View of completed trial road at Portsea Gas Works.
Mr. I. Carmichael, the Gas Company’s engineer and manager,
and, we understand, has resulted in remarkably fine thoroughfares.
Chisledon.—An interesting development of the use of concrete
for roads during the War was the making of a number of camp
roads, and the illustration, Fig. 59, shows a camp road at
Chisledon, about five miles from Swindon, where some concrete
roads were constructed during the War. Altogether there are
about two miles of these roads. The surface formation of the
roads is reinforced concrete, 6 in. thick. The roads comprise
different sections, one being 700 ft. long and 20 ft. wide. It was
originally intended that the concrete should be covered with as-
phalt or similar material, but eventually it was decided to leave
the concrete surface as it was. Another road was 15 ft. in width.
The concrete mix was 5J to 1. The reinforcement was in the form
of electrically welded steel wire placed about 2 in. from the under
side of the concrete.
Loch Doon.—This road, which was laid in July, 1917, is about
700 yds. long and 16 ft. wide. It leads down to the loch from
a road which runs parallel to the side of the lake but some dis-
tance from it. The latter road is of macadam, and in some cases
had been filled in several feet in thickness, but was still subsiding,