- deep. The four main
types of
caisson are box
caisson, open
caisson,
pneumatic caisson and
monolithic caisson. A box
caisson is a
prefabricated concrete...
- Weldon's
caisson lock,
William Congreve in 1813
patented a "hydro-
pneumatic double balance lock" in
which two
adjacent locks containing pneumatic caissons could...
-
installed using pneumatic caissons, a
pioneering application of
caisson technology in the
United States and, at the time, by far the
largest caissons ever built...
-
unsecured shaft, over 46
years of excavation. Historically, work in
pneumatic caissons underwater exposed workers to the risk of
decompression sickness upon...
- to that
level as
water from the
river would rapidly seep in. So a
pneumatic caisson technique had to be used. As men were
working under pressures of up...
- in
North Kingstown,
Rhode Island. The
lighthouse was
built using pneumatic caisson engineering. A
granite base was
added in 1922. The
light was deactivated...
- water. In
April 1815 the
Regents Canal Company built a
double caisson lock (or "hydro-
pneumatic lock") at the site of the present-day
Hampstead Road Lock...
- new
pneumatic caisson technique. However, the
effects of
pneumatic caissons were
poorly understood,
leading to the
deaths of 14
workers due to
caisson disease...
- the
pneumatic caissons were dug into the
river bed. The
Harahan Bridge was to be
located 200 feet (61 m)
north of the
Frisco Bridge. Use of
pneumatic caissons...
- "relatively good condition." The
lighthouse was
built in 1883
using pneumatic caisson engineering. The
light replaced an
earlier 1868 light.
Conimicut Lighthouse...
