Pre-stressed concrete contruction

Details Pre-stressed concrete contruction Pre-stressed concrete contruction

E - Fixed Constructions

04

B

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E04B 5/16 (2006.01) B28B 23/04 (2006.01) E01D 2/00 (2006.01) E01D 2/04 (2006.01) E04B 5/18 (2006.01) E04B 5/19 (2006.01) E04B 5/26 (2006.01) E04C 3/26 (2006.01) E04G 21/12 (2006.01)

Patent

CA 1037690

ABSTRACT OF THE DISCLOSURE The invention relates to a method of forming a pre-stressed concrete member in which at least a bonding surface of a pre-cast con- crete shell has the hydration process therein temporarily arrested by means of heat applied thereto such that reactivation of the hydra- tion process after the stressing of the shell and prior to the pouring into the shell of infilling concrete, results in a strong bond being formed between the bonding surface of the pre-cast concrete element and the infill- ing concrete. The construction joints bet- ween the infilling concrete and the pre-cast concrete shell are thus of an improved integrity.

219170

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