Floatable caisson, segmental bulkhead assembly and method

Details Floatable caisson, segmental bulkhead assembly and method Floatable caisson, segmental bulkhead assembly and method

E - Fixed Constructions

02

B

E02B 7/24 (2006.01) E02B 3/10 (2006.01) E02D 23/00 (2006.01) E02D 23/02 (2006.01)

Patent

CA 2591457

A needle-beam cofferdam, needles and associated method for dry isolation of a water passage of a dam, the method comprising providing a support beam which spans between piers of the water passage, providing at least one hollow metal needle having a major axis, and positioning the hollow needle with the major axis substantially vertically oriented, the hollow needle engaging with a sill of the dam and engaging with the support beam. A plurality of vertically positioned needles may thereby isolate the water passage. The method also includes positioning of hollow needles with the major axis in a substantially horizontal orientation.

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