Perforated plate connector with shoe-shaped slotted holes, steel beam and method
A technology of perforated plate connectors and connectors, which is applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of inconvenient interspersed arrangement of steel bars and increased manpower input, so as to save production and installation costs, improve construction efficiency, The effect of accurate placement
Inactive Publication Date: 2018-05-08
TONGJI UNIV
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Problems solved by technology
Since the round hole on the steel plate of this connector is closed, it is very inconvenient to intersperse and arrange steel bars during the construction process, which greatly increases the input of manpower
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[0034] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.
[0035] Such as figure 1 As shown in the figure, a perforated plate shear connector with a shoe-shaped groove, one side of the shear connector 1 has a straight profile, and the other side of the shear connector 1 is repeatedly arranged with convex connectors and recessed joints. Slot hole, the concave slot hole presents a shoe shape; the shape of the protruding connector is consistent with the shape of the concave slot hole after being rotated 180°, and the size is the same, that is, two connectors of the same size, one of which can be connected After rotating 180°, it is docked with another tooth groove, and is completely snapped together, so a steel plate of an appropriate size can cut two shear connectors of this type without redundant materials.
[0036] The bottom of the shoe-shaped slot of the shear connector 1 has a slope, and the angle ...
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The invention discloses a perforated plate connecting piece with boot-shaped slots. The perforated plate connecting piece is characterized in that one side of each shear connecting piece has a flat outline, protruded connectors are repeatedly arrayed on the other side of each shear connecting piece, and boot-shaped recessed slots are repeatedly formed in the other side of each shear connecting piece; the shapes of the protruded connectors are consistent with those of the recessed slots after the protruded connectors rotate by 180-degree angles, and the sizes of the protruded connectors are consistent with those of the recessed slots after the protruded connectors rotate by the 180-degree angles; the protruded connectors and the recessed slots of the two connecting pieces with identical sizes can be exactly butted to one another in an embedded manner and can be spliced to form a complete slab after one of the connecting pieces rotates by 180-degree angles. The invention further discloses a steel beam with the perforated plate shear connecting piece with the boot-shaped slots, an orthotropic steel plate provided with the perforated plate shear connecting piece with the boot-shaped slots, a method for machining the perforated plate connecting piece, a method for connecting the perforated plate connecting piece with a concrete bridge deck slab and a construction method for applying the perforated plate connecting piece to composite beams. The perorated plate connecting piece, the steel beam, the orthotropic steel plate, the methods and the construction method have the advantages that perforated plates are high in shear strength and good in fatigue resistance, processes for arranging reinforcing steel bars can be simplified, accordingly, the construction efficiency can be greatly improved, the manufacturing and mounting costs can be saved, and the engineering cost can be lowered.
Description
technical field [0001] The invention belongs to the field of bridge engineering and relates to a steel-concrete composite structure, especially a connector structure. Background technique [0002] Composite girder bridge refers to a composite structure in which steel girder members and reinforced concrete are combined by connectors to form a composite section that works together. This structure has been increasingly widely used because it can effectively utilize the respective advantages of steel and concrete. [0003] In order to make the reinforced concrete slab and the steel girder work together, a connecting piece must be provided between the two so that there is no relative displacement and separation between the reinforced concrete deck and the steel girder. There are various forms of connectors, from the early reinforcement connectors and steel connectors to the widely used welding stud connectors, and the newly-emerged open-hole plate connectors in recent projects. ...
Claims
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IPC IPC(8): E01D19/00E01D21/00
CPCE01D19/00E01D21/00
Inventor 戴昌源苏庆田贺欣怡杜霄田乐姜旭吴冲曾明根
Owner TONGJI UNIV
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