CN202247665U - Bolted L-shaped steel embedded type connecting key structure - Google Patents
Bolted L-shaped steel embedded type connecting key structure Download PDFInfo
- Publication number
- CN202247665U CN202247665U CN2011202291906U CN201120229190U CN202247665U CN 202247665 U CN202247665 U CN 202247665U CN 2011202291906 U CN2011202291906 U CN 2011202291906U CN 201120229190 U CN201120229190 U CN 201120229190U CN 202247665 U CN202247665 U CN 202247665U
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- shaped steel
- steel
- connecting key
- bolt
- bolted
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Abstract
The utility model discloses a bolted L-shaped steel embedded type connecting key structure. Aiming at a combined structure, the shearing force connecting piece is adopted to enable a bolt 4 to penetrate through a round hole 5 in L-shaped steel 2, and the L-shaped steel 2 is in bolted connection with the left and the right sides of a corrugated steel web 1 with a hole 3. A run-through steel bar is arranged in the round hole in a penetrating manner, and all that is needed is to allow the run-through steel bar to penetrate through the round hole 3 in the steel web.
Description
Technical field
The utility model relates to the embedded connecting key structure of a kind of novel bolt L shaped steel, is used for connecting the girder steel and the concrete bridge deck of combining structure bridge, belongs to the bridge construction field.
Background technology
Steel-concrete composite beam combines steel, two kinds of different materials of concrete rightly, has improved the service efficiency of stability of structure, intensity and material.Steel-concrete composite beam is a kind of important horizontal load-bearing combined member; It is to have very through shear connector that the girder steel and the concrete slab of big difference are combined into whole bearing load to modulus of elasticity, thereby makes compound beam can give full play to steel tensile property and the good advantage of concrete compressive property.
Shear connector is to guarantee in the combining structure one of primary structure member that two kinds of different materials co-operation are the most key, has played the horizontal shear at opposing steel and concrete interface place, prevents the effect of the mutual slippage of level between the two.It is directly connected to the supporting capacity of whole compound beam.Difficult point wherein is the vertical equity shearing that utilizes rational connector to control effectively to take place between steel and the concrete material.
Shaped steel connectors such as socket cap weldering nail and angle steel, channel-section steel are one of connectors the most frequently used in the present concrete structure, and the fatigue problem at its root weld place is also more outstanding.In addition, the compound mode of weldering nail connector and perforate steel plate connector also is one of optional connectivity scenario.
The embedded connecting key structure of bolt L shaped steel is fixed by bolts to the corrugated web left and right sides to two perforate L shaped steel, and execution control is easier.Compare with weldering nail connector, its shear stiffness and anti-fatigue performance all are improved.
The utility model proposes the embedded connecting key of a kind of novel bolt L shaped steel structure, has safe and reliable, easy construction technical characterstic efficiently.
The utility model content
The technical problem that the utility model will solve is the embedded connecting key of a bolt L shaped steel structure, makes that attachment security between two kinds of materials of steel and concrete is reliable, easy construction is efficient, and execution control is easier.
The embedded connecting key structure of so-called bolt L shaped steel is that L shaped steel is fixed by bolts to the perforate corrugated steel left and right sides, fluid concrete behind the shaped steel formwork erection, and the shear pin that concrete forms in the hole passes through.Vertical perforate of beam in the steel plate upper edge, the circular hole of corrugated steel can connect main reinforcement, does not influence the layout of reinforcing bar; When not having main reinforcement to connect,, can further improve shear stiffness, intensity and deformability thereof if the perforation reinforcing bar is set; Perforated area, spacing and quantity can be definite through calculating.The embedded connecting key structure of bolt L shaped steel does not need to process especially, and circular port only suitably is set on steel plate; Reduced a large amount of in the past welding sequences; The L shaped steel of both sides has guaranteed the stability of corrugated web in construction.When thickness of slab, pitch-row are provided with when appropriate, its destruction is concrete shearing in the hole, does not receive tired influence.
The utility model is realized through following technical scheme: the embedded connecting key structure of bolt L shaped steel comprises perforate corrugated steel, perforate L shaped steel, bolt in the composition.
The technological progress that the utility model is obtained is: the L shaped steel of both sides guarantees the stability of corrugated web in the construction; In the structure, concrete block forms the anti-shear concrete pin in the hole after the moulding, coagulation shear-pin opposing horizontal shear, bolt L shaped steel opposing uplift force.This shear connector co-operation is safe and reliable, easy construction, and its shear stiffness and anti-fatigue performance all are improved.
Description of drawings
Fig. 1, the embedded connecting key constructing stereo of bolt L shaped steel figure
Fig. 2, the embedded connecting key structure of bolt L shaped steel elevation
Fig. 3, the embedded connecting key structural section of bolt L shaped steel
Fig. 4, the embedded connecting key construction plan view of bolt L shaped steel
The embedded connecting key structural section of bolt L shaped steel that connects reinforcing bar is set in Fig. 5, the circular hole
The embedded connecting key construction plan view of bolt L shaped steel that connects reinforcing bar is set in Fig. 6, the circular hole
Wherein: 1, corrugated steel web, 2, L shaped steel, 3, the circular hole in the steel web, 4, the circular hole in the L shaped steel, 5, bolt, 6, connect reinforcing bar
The specific embodiment
Below in conjunction with accompanying drawing the utility model is explained further details:
To constructing like Fig. 1,2,3, the embedded connecting key of the bolt L shaped steel shown in 4, bolt 5 passes the circular hole 4 in the L shaped steel 2, L shaped steel 2 is bolted to corrugated steel web 1 left and right sides of circular hole 3.The perforation reinforcing bar is set in circular hole, and like Fig. 5, shown in 6, the circular hole 3 that is provided with that only needs the lateral direction penetrating reinforcing bar is passed in the corrugated steel web gets final product.
As stated, just can realize the utility model.
Claims (1)
1. the embedded connecting key of bolt L shaped steel is constructed, and it is characterized in that: L shaped steel passes through bolted-on in the web both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202291906U CN202247665U (en) | 2011-06-30 | 2011-06-30 | Bolted L-shaped steel embedded type connecting key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202291906U CN202247665U (en) | 2011-06-30 | 2011-06-30 | Bolted L-shaped steel embedded type connecting key structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202247665U true CN202247665U (en) | 2012-05-30 |
Family
ID=46108927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202291906U Expired - Fee Related CN202247665U (en) | 2011-06-30 | 2011-06-30 | Bolted L-shaped steel embedded type connecting key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202247665U (en) |
-
2011
- 2011-06-30 CN CN2011202291906U patent/CN202247665U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140630 |
|
| EXPY | Termination of patent right or utility model |