Construction method and template structure for umbrella-shaped spatial curved-surface bare concrete: Fid-Bau Portal

Construction method and template structure for umbrella-shaped spatial curved-surface bare concrete

YANG DONGHUI / CAO JING / FENG CHANGZHENG / LI HONGZHI / LIU JIANHUA / CHEN LI

The invention discloses a construction method and a template structure for umbrella-shaped spatial curved-surface bare concrete. The construction method comprises the following steps: casting to form a bottom straight wall section of the umbrella-shaped spatial curved-surface bare concrete; respectively installing an template structure with an umbrella-shaped spatial curved surface on each of two sides of the bottom straight wall section; erecting a support system below the template structures; according to the umbrella-shaped spatial curved-surface, bonding umbrella body arc-shaped section steel bars above the template structures, bonding an umbrella body top steel bar between the two umbrella body arc-shaped section steel bars, and enabling the umbrella body arc-shaped section steel bars and the template structures to form first casting passages in a clamping way; casting the bottom straight wall section to form an umbrella body arc-shaped section bottom of the umbrella-shaped spatial curved-surface bare concrete; casting in the first casting passages to form umbrella body arc-shaped sections of the umbrella-shaped spatial curved-surface bare concrete; mounting an umbrella body top template on the umbrella top body steel bar, and enabling the top umbrella body template and the two umbrella body arc-shaped sections to form a second casting passage in the clamping way; casting in the second casting passage to form the umbrella body top of the umbellate-shaped spatial curved-surface bare concrete, thereby finishing construction.

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