when concrete specimens(cube or cylinders) is compressed, lateral shear stress is developped. But near the area, where specimen is in touch with plates of compression machine, this lateral shear stress is reduced and forces the specimen not to increase area. Thia is called Platen Restrain Effect.
effect on building by flood
Grading of Aggregates enhances workability of concrete.
gypsum increase the setting time of cement.
It would weaken the concrete, so keep out the salt.
strength will be reduced
planet
Carl Constantin Platen was born in 1843.
Carl Constantin Platen died in 1899.
Clara Elisabeth von Platen died in 1700.
Baltzar von Platen - inventor - was born in 1898.
Baltzar von Platen - inventor - died in 1984.
Clara Elisabeth von Platen was born in 1648.
Cai Ulrich von Platen has written: 'Cai Ulrichj von Platen' -- subject(s): Art, Danish, Danish Art
Karl Platen died on July 4, 1952, in Weimar, Thuringia, Germany.
The platen is the part of a machine that one half of a mold attaches to. The mold is normally created in two halves. In plastic manufacturing injection molding, each mold half is bolted, clamped, attached to one platen. One platen is normally a fixed or non movable and the movable one slides on Tie Bars that go through the four corners of the platen.
August von Platen-Hallermünde was born on 1796-10-24.
August von Platen-Hallermünde died on 1835-12-05.