Cementitious composition for underwater use and a method for pla

Details Cementitious composition for underwater use and a method for pla Cementitious composition for underwater use and a method for pla

1995-09-05

1997-09-16

Suchfield, George A.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Cast in situ

106726, 106805, 106823, 405266, C04B 2422, C04B 2428, E02D 1506

Patent

active

056673400

ABSTRACT:
A method for placing concrete underwater comprising pumping a flowable cementitious mixture comprising cement, water and one of either BNS or a cellulosic polymer to the underwater point of discharge of the cementitious mixture from a delivery tube and adding into the flowable cementitious mixture at the point of discharge, the other of the BNS or a cellulosic polymer resulting in a cementitious mixture having zero flow characteristics.

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patent: 5494516 (1996-02-01), Drs et al.

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