Temporary fastening connection system capable of being used for large prefabricated components
A technology for fastening connections and prefabricated components, applied in building components, structural elements, underwater structures, etc., can solve the problems of increased labor costs and energy consumption, large amount of steel, inconvenient operation, etc., to simplify the prestressing tension. The effect of pulling work, reducing costs, and convenient operation
Active Publication Date: 2021-12-14
UNIV OF SCI & TECH BEIJING
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Problems solved by technology
In order to disperse the excessive compressive stress at the anchorage end of prestressed steel bars, the existing temporary fastening system often needs to be equipped with additional steel pressure-bearing backing plates, which increases the cost
In order to avoid the setting of backing plates, in some applications, large and long end anchors are used to disperse the stress and ensure the stability during tension; the existing method not only uses a lot of steel, but also is heavy, inconvenient to operate, and increases manpower Cost and Energy Consumption
Method used
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[0037] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0038] like Figure 1 to Figure 15 As shown, this implementation stereoscopically provides a temporary fastening connection system that can be used for prefabricated large components, including large prefabricated components 1, and the fastened connection system includes anchor beams 5, which are located on the two ends of large prefabricated components 1 and the positions are corresponding Anchor beams 5 form a group, and there ar...
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The invention discloses a temporary fastening connection system capable of being used for large prefabricated components. The temporary fastening connection system comprises the large prefabricated components; the fastening connection system comprises anchor beams; the anchor beams located on the two end faces of each large prefabricated component and corresponding in position form a set; the multiple sets of anchor beams are symmetrically arranged; prestressed tendons are installed at the positions, located on the inner side and the outer side of each large prefabricated component, of each set of anchor beams; beams parallel to the prestressed tendons are installed on the two sides of one side face of each large prefabricated component correspondingly; hanging studs are installed at the two ends of each beam correspondingly; the hanging studs are perpendicular to the prestressed tendons and penetrate the middles of the anchor beams; and after the fastening connection systems are installed on the two large prefabricated components correspondingly, the two large prefabricated components are in butt joint, and the prestressed tendons penetrate the anchor beams on the two large prefabricated components and then are subjected to prestressed tensioning. The fastening connection system can be installed at any set height in a hung manner, the situation that prestressed ducts or tensioning toothed plates are arranged on original concrete components is effectively avoided, the fastening connection system can be repeatedly used, and cost is low.
Description
technical field [0001] The invention relates to the technical field of temporary fastening of prefabricated large components, in particular to a temporary fastening connection system applicable to prefabricated large components. Background technique [0002] In the construction, installation, and testing of civil engineering structures, it is often necessary to temporarily fasten some large prefabricated components, and tensioned prestressed steel bars are a widely used temporary fastening measure. [0003] At present, the prestressed steel bars used for temporary fastening of prefabricated large components often penetrate into the channels reserved in the prefabricated concrete components. Under the state of tension and anchorage, the precompressive stress is transmitted to the end face of the concrete component through the anchorage and its lower backing plate; Some use templates to make tooth plates during prefabrication of concrete components, and anchor prestressed stee...
Claims
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Login to View More IPC IPC(8): E02D29/045E02D29/16E04C5/08
CPCE02D29/045E02D29/16E02D29/10E04C5/08
Inventor 张举兵时一鸣李松林张凯伦胡志强柴晓鑫卞正涛
Owner UNIV OF SCI & TECH BEIJING