fara context e dificil

cheson = constructie asemanatoare unei cutii cu ajutorul careia se pot executa fundatii sub apa
= constructii compartimentate

cais·son ( P ) Pronunciation Key (ksn, -sn)
n.
A watertight structure within which construction work is carried on under water.
A large box open at the top and one side, designed to fit against the side of a ship and used to repair damaged hulls under water.
A floating structure used to close off the entrance to a dock or canal lock.


\Cais"son\, n. [F., fr. caisse, case, chest.]
2. (a) A water-tight box, of timber or iron within which work is carried on in building foundations or structures below the water level. (b) A hollow floating box, usually of iron, which serves to close the entrances of docks and basins. (c) A structure, usually with an air chamber, placed beneath a vessel to lift or float it.

However, a geotechnical investigation by Kaldveer Associates, Oakland CA, recommended
against a caisson type structure because the stiff soils could cause ...
www.geocon.net/pdf/paper08.pdf

The US Lighthouse Service decided to build a another lighthouse, this one a
caisson-type structure on the shoal itself. It was completed in 1906. ...
www.chron.com/cs/CDA/ssistory.mpl/texas/2745915 - 34k