CN204780557U - Bridge - Google Patents
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- CN204780557U CN204780557U CN201520495187.7U CN201520495187U CN204780557U CN 204780557 U CN204780557 U CN 204780557U CN 201520495187 U CN201520495187 U CN 201520495187U CN 204780557 U CN204780557 U CN 204780557U
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- layer
- bridge
- steelframe
- hollow hole
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Abstract
The utility model discloses a bridge, including the top layer that from the top down set gradually, prefabricated layer and steel construction layer, still include hollow hole layer between top layer and the prefabricated layer, hollow hole layer includes the hollow hole of a plurality of, and hollow hole is the rounded rectangle structure, the junction on prefabricated layer and steel construction layer is fixed with a plurality of shear forces nail, top layer and prefabricated in situ portion are equipped with the reinforcing bar of buckling with the shear force nailed joint. The utility model relates to a bridge, from the top down set gradually top layer, prefabricated layer and steel construction layer, and this structure can become a new whole and realize common atress, active powder concrete is adopted on the top layer, has better mechanical properties, intensity, toughness and durability, is excellent bridge surface course structure, can improve bridge's anti fatigue strength, C80 reinforced concrete is adopted on prefabricated layer, has high durability, high work nature and high stability.
Description
Technical field
The utility model belongs to bridge engineering field, is specifically related to a kind of bridge.
Background technology
Bridge refers to the building for road crosses over natural or cultural obstacle and build, and such as, crosses over the bridge in rivers and gully.Usually, bridge comprises girder and supports the bridge pier of this girder.At present, the vehicles increasing, highway, railway start by ground to aerial development, form now day by day various road surface bridge engineering.
But there is a large amount of problem in road surface bridge construction now: 1. bridge design load is " CR live loading ", if mobile load coefficient is bigger than normal, bridge security deposit can reduce greatly, long-term operation will produce larger negative effect to bridge security, the fatigue damage development of bridge construction can be aggravated under train and large-scale passenger traffic goods stock load long term, greatly reduce the safety stock of bridge, affect the fatigue behaviour of bridge, shortening structure fatigue life; 2. current bridge many employings concrete or steel work, but there is the problems such as pitted skin problem, the problem revealing muscle, honeycomb problem, hollow hole problem, gap and Problem of Interlayer, truncation and arrisdefect problem, crack problem, strength deficiency in ordinary concrete bridge; There is etching problem in steel structure bridge, and maintenance difficulty, and upkeep cost is expensive, and in addition, steel structure bridge is inflammable, and fire safety problem has become the problem be on the rise now.
Summary of the invention
The utility model, according to prior art Problems existing, proposes a kind of bridge, and this bridge possesses good bending resistance, shearing resistance, resistance to compression, fire-resistance and anti-fatigue performance.
Technical solutions of the utility model are as follows: a kind of bridge, comprise set gradually from top to bottom top layer, preformed layer and steel structural layer; It is characterized in that, also comprise the hollow hole layer between described top layer and preformed layer; Described hollow hole layer comprises several hollow holes, and hollow hole is round rectangle structure; The junction of described preformed layer and steel structural layer is fixed with some WELDING STUDS; Described top layer is provided with preformed layer inside the bending reinforcing steel bar be connected with WELDING STUDS; Described steel structural layer comprises interconnective first steelframe and the second steelframe; Described first steelframe and the second steelframe are i beam.
Described first steelframe and the second steelframe include the reinforcing rib of the upper and lower junction plate of upper junction plate, lower connecting plate and connection; The upper junction plate of described first steelframe is provided with connection projection, and lower connecting plate is provided with connecting groove; The upper junction plate of described second steelframe is provided with the connecting groove suitable with the connection projection of described first steelframe, and the lower connecting plate of described second steelframe is provided with the connection projection suitable with the connecting groove of described first steelframe.
Described top layer, employing splicing connection between preformed layer and steel structural layer.
Described preformed layer adopts C80 steel concrete.
Described top layer adopts RPC.
A kind of bridge of the utility model, sets gradually top layer, preformed layer and steel structural layer from top to bottom, and this structure can become a new entirety and realize jointly stressed; A kind of bridge of the utility model, be provided with WELDING STUDS, WELDING STUDS is evenly distributed on below hollow hole.Like this, WELDING STUDS can bear shearing and uplift force, to playing support below hollow hole, strengthening and the effect of power transmission, load around hollow hole can be distributed on steel structural layer as early as possible, make bridge more firm, thus ensure the quality of bridge, extend the application life of bridge; A kind of bridge of the utility model, described bending reinforcing steel bar is arranged in top layer and preformed layer, and one end of described bending reinforcing steel bar is connected with described WELDING STUDS, and the two ends of bending reinforcing steel bar all form kink, and the kink of one end is connected with WELDING STUDS; These bending reinforcing steel bars have certain bearing capacity, ensure that the firm of bridge, extend the application life of bridge.A kind of bridge of the utility model, top layer adopts RPC, has good mechanical property, intensity, toughness and durability, is excellent bridge surface layer structure, can improves the fatigue resistance of bridge; Preformed layer adopts C80 steel concrete, has high-durability, high workability and high stability; Steel structural layer can increase stability, and can improve overall vertical rigidity and the ductility of bridge, effectively can retrain the sex change of upper two layers, effectively can improve rigidity and the cracking resistance of integral bridge; Hollow hole layer comprises several hollow holes, effectively can alleviate the weight of overall bridge, reduce concrete consumption, and can reach the effect subtracting sound noise reduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-top layer; 2-preformed layer; The hollow hole of 3-; 4-first steelframe; 5-second steelframe; 6-upper junction plate; 7-lower connecting plate; 8-reinforcing rib; 9-connects projection; 10-connecting groove; 11-WELDING STUDS; 12-bending reinforcing steel bar.
Detailed description of the invention
As shown in Figure 1, a kind of bridge of the utility model, comprise set gradually from top to bottom top layer 1, preformed layer 2 and steel structural layer; Also comprise the hollow hole layer between described top layer 1 and preformed layer 2; Described hollow hole layer comprises several hollow holes 3, and hollow hole 3 is round rectangle structure; The junction of described preformed layer 2 and steel structural layer is fixed with some WELDING STUDS 11; Described top layer 1 is provided with preformed layer 2 inside the bending reinforcing steel bar 12 be connected with WELDING STUDS 11; Described steel structural layer comprises interconnective first steelframe 4 and the second steelframe 5; Described first steelframe 4 and the second steelframe 5 are i beam.
The two ends of bending reinforcing steel bar 12 described in the utility model are provided with kink, and wherein the kink of one end is connected with WELDING STUDS 11.Described first steelframe 4 and the second steelframe 5 include upper junction plate 6, lower connecting plate 7 and are connected the reinforcing rib 8 of upper and lower junction plate 6,7; The upper junction plate 6 of described first steelframe 4 is provided with and connects projection 9, and lower connecting plate 7 is provided with connecting groove 10; The upper junction plate 6 of described second steelframe 5 is provided with the connecting groove 10 suitable with the connection projection 9 of described first steelframe 4, and the lower connecting plate 7 of described second steelframe 5 is provided with the connection projection 9 suitable with the connecting groove 10 of described first steelframe 4.
Top layer 1 described in the utility model, employing splicing connection between preformed layer 2 and steel structural layer.Described preformed layer 2 adopts C80 steel concrete.Described top layer 1 adopts RPC.
A kind of bridge of the utility model, sets gradually top layer, preformed layer and steel structural layer from top to bottom, and this structure can become a new entirety and realize jointly stressed; A kind of bridge of the utility model, be provided with WELDING STUDS, WELDING STUDS is evenly distributed on below hollow hole.Like this, WELDING STUDS can bear shearing and uplift force, to playing support below hollow hole, strengthening and the effect of power transmission, load around hollow hole can be distributed on steel structural layer as early as possible, make bridge more firm, thus ensure the quality of bridge, extend the application life of bridge; A kind of bridge of the utility model, described bending reinforcing steel bar is arranged in top layer and preformed layer, and one end of described bending reinforcing steel bar is connected with described WELDING STUDS, and the two ends of bending reinforcing steel bar all form kink, and the kink of one end is connected with WELDING STUDS; These bending reinforcing steel bars have certain bearing capacity, ensure that the firm of bridge, extend the application life of bridge.A kind of bridge of the utility model, top layer adopts RPC, has good mechanical property, intensity, toughness and durability, is excellent bridge surface layer structure, can improves the fatigue resistance of bridge; Preformed layer adopts C80 steel concrete, has high-durability, high workability and high stability; Steel structural layer can increase stability, and can improve overall vertical rigidity and the ductility of bridge, effectively can retrain the sex change of upper two layers, effectively can improve rigidity and the cracking resistance of integral bridge; Hollow hole layer comprises several hollow holes, effectively can alleviate the weight of overall bridge, reduce concrete consumption, and can reach the effect subtracting sound noise reduction.
Claims (6)
1. a bridge, comprise set gradually from top to bottom top layer (1), preformed layer (2) and steel structural layer; It is characterized in that: also comprise the hollow hole layer between described top layer (1) and preformed layer (2); Described hollow hole layer comprises several hollow holes (3), and hollow hole (3) are round rectangle structure; The junction of described preformed layer (2) and steel structural layer is fixed with some WELDING STUDS (11); Described top layer (1) and preformed layer (2) inside are provided with the bending reinforcing steel bar (12) be connected with WELDING STUDS (11); Described steel structural layer comprises interconnective first steelframe (4) and the second steelframe (5); Described first steelframe (4) and the second steelframe (5) are i beam.
2. a kind of bridge according to claim 1, is characterized in that: the two ends of described bending reinforcing steel bar (12) are provided with kink, and wherein the kink of one end is connected with WELDING STUDS (11).
3. a kind of bridge according to claim 1, is characterized in that: described first steelframe (4) and the second steelframe (5) include upper junction plate (6), lower connecting plate (7) and be connected the reinforcing rib (8) of upper and lower junction plate (6,7); The upper junction plate (6) of described first steelframe (4) is provided with and connects projection (9), and lower connecting plate (7) is provided with connecting groove (10); The upper junction plate (6) of described second steelframe (5) is provided with the connecting groove (10) suitable with the connection projection (9) of described first steelframe (4), and the lower connecting plate (7) of described second steelframe (5) is provided with the connection projection (9) suitable with the connecting groove (10) of described first steelframe (4).
4. a kind of bridge according to claim 1, is characterized in that: described top layer (1), employing splicing connection between preformed layer (2) and steel structural layer.
5. a kind of bridge according to claim 1, is characterized in that: described preformed layer (2) adopts C80 steel concrete.
6. a kind of bridge according to claim 1, is characterized in that: described top layer (1) adopts RPC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495187.7U CN204780557U (en) | 2015-07-07 | 2015-07-07 | Bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495187.7U CN204780557U (en) | 2015-07-07 | 2015-07-07 | Bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204780557U true CN204780557U (en) | 2015-11-18 |
Family
ID=54520643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520495187.7U Expired - Fee Related CN204780557U (en) | 2015-07-07 | 2015-07-07 | Bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204780557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288029A (en) * | 2017-08-07 | 2017-10-24 | 重庆交通大学 | The method for making square column type performance of concrete column confined |
| CN107288030A (en) * | 2017-08-07 | 2017-10-24 | 重庆交通大学 | The method for making cylindrical concrete pier stud |
-
2015
- 2015-07-07 CN CN201520495187.7U patent/CN204780557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288029A (en) * | 2017-08-07 | 2017-10-24 | 重庆交通大学 | The method for making square column type performance of concrete column confined |
| CN107288030A (en) * | 2017-08-07 | 2017-10-24 | 重庆交通大学 | The method for making cylindrical concrete pier stud |
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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: 20151118 Termination date: 20160707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |