Caissons ~ these are box-like structures which are similar in
concept to cofferdams but they usually form an integral part of
the finished structure. They can be economically constructed and
installed in water or soil where the depth exceeds 18„000. There
are 4 basic types of caisson namely:-1. Box Caissons- Open Caissons
- Monolithic Caissons
- Pneumatic Caissons † used in water † see next page.
9
>=
;
usually of precast concrete and used in
water being towed or floated into
position and sunk † land caissons are of
the open type and constructed in-situ.Caissons