Rigid connection structure between upper precast concrete column and lower precast concrete column ...

(10) US 2018/0320363 Al

(22) 08.09.2017

(43) 08.11.2018

(57  Provided is a rigid connection structure including: a lower PC column having column concrete, a lower column plate disposed on top of the column concrete, and a plurality of lower column reinforcing bars buriedly arranged vertically in the interior of the column concrete and having upper ends penetrated into the lower column plate in such a manner as to be exposed to the outside; and an upper PC column having column concrete, an upper column plate disposed on top of the column concrete, and a plurality of upper column reinforcing bars...

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