High-altitude ultra-large heavy-load special-shaped overhanging cornice beam plate formwork supporting construction method
A construction method and overhanging technology, which is applied in the direction of formwork/formwork/work frame, connectors of formwork/formwork/work frame, building structure support, etc., which can solve the huge amount of materials and labor, and the confusion of the force transmission system , self-heaviness of the frame and other issues, to achieve the effect of safe and reliable force transmission path, clear force transmission path, and uncomplicated structure
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Embodiment 1
[0028] The construction method of high-altitude super large and heavy-duty special-shaped cantilever cornice beam slab support formwork, including cantilever I-beam, section steel diagonal brace, full hall frame, protective frame, wire rope ring and vertical scissors brace, the construction process is as follows:
[0029] S1: Pre-embed 400mm×400mm×10mm steel plates when pouring concrete on the lower floor. The pre-embedded steel plates are perforated and plug-welded with 2 steel bars with a length of 100mm and φ16 stirrups. The pre-embedded steel plates are parallel to the top of the cast-in-place concrete beam slab.
[0030] S2: The fixed end of the steel cantilever beam is fixed with two U-shaped steel bar pull rings or anchor bolts to the building structure beam slab. Concrete beams and steel bars at the bottom of the slab are welded or bound firmly, and the structural beams are set through the structural beams.
[0031] S3: The outer end of the steel cantilever beam is cab...
Embodiment 2
[0041] The construction method of high-altitude super large and heavy-duty special-shaped cantilever cornice beam slab support formwork, including cantilever I-beam, section steel diagonal brace, full hall frame, protective frame, wire rope ring and vertical scissors brace, the construction process is as follows:
[0042] S1: Pre-embed 400mm×400mm×10mm steel plates when pouring concrete on the lower floor. The pre-embedded steel plates are perforated and plug-welded with 4 steel bars with a length of 200mm and a stirrup of φ16. The pre-embedded steel plates are parallel to the top of the cast-in-place concrete beam slab.
[0043] S2: Fix the fixed end of the steel cantilever beam with 4 U-shaped steel bar pull rings or anchor bolts to the building structure beam slab, pre-embed the U-shaped steel bar pull ring or anchor bolts to the position of the concrete beam and the bottom reinforcement of the slab, and Concrete beams and steel bars at the bottom of the slab are welded or b...
Embodiment 3
[0054] The construction method of high-altitude super large and heavy-duty special-shaped cantilever cornice beam slab support formwork, including cantilever I-beam, section steel diagonal brace, full hall frame, protective frame, wire rope ring and vertical scissors brace, the construction process is as follows:
[0055] S1: Pre-embed 400mm×400mm×10mm steel plates when pouring concrete on the lower floor. The pre-embedded steel plates are perforated and plug-welded with 6 steel bars with a length of 300mm and φ16 stirrups. The pre-embedded steel plates are parallel to the top of the cast-in-place concrete beams and slabs.
[0056] S2: The fixed end of the steel cantilever beam is fixed with 6 U-shaped steel bar pull rings or anchor bolts to the building structure beam slab, and the U-shaped steel bar pull rings or anchor bolts are pre-embedded to the position of the concrete beam and the bottom reinforcement of the slab, and Concrete beams and steel bars at the bottom of the s...
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