DEVICE FOR ALTERNATELY JACKING ADDED STOREY OF BUILDING WITH HIGH-STRENGTH CONCRETE COLUMNS AND STEEL SLIDEWAYS AND CONSTRUCTION METHOD THEREFOR
The present invention provides a device for jacking and adding story of a building with high-strength concrete columns and steel slideways alternately and a construction method thereof. The device includes steel slideways (2) respectively provided on each frame column (1) and movable steel brackets...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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