CN203007833U - Steel bridge deck compound paving structure based on PBL (Perfobond Leiste) connecting pieces - Google Patents
Steel bridge deck compound paving structure based on PBL (Perfobond Leiste) connecting pieces Download PDFInfo
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- CN203007833U CN203007833U CN 201220749827 CN201220749827U CN203007833U CN 203007833 U CN203007833 U CN 203007833U CN 201220749827 CN201220749827 CN 201220749827 CN 201220749827 U CN201220749827 U CN 201220749827U CN 203007833 U CN203007833 U CN 203007833U
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Abstract
The utility model discloses a steel bridge deck compound paving structure based on PBL (Perfobond Leiste) connecting pieces. The structure comprises a steel bridge deck slab, a lower deck layer of light-weight concrete paved on the steel bridge deck slab, and an upper deck layer of asphalt concrete paved on the lower deck layer of light-weight concrete, wherein a water-proof bonding layer is arranged between the lower deck layer of light-weight concrete and the upper deck layer of asphalt concrete; a plurality of PBL connecting pieces arranged along the longitudinal direction of the bridge are arranged in the lower deck layer of light-weight concrete; the plurality of PBL connecting pieces are arranged in parallel, and the plurality of PBL connecting pieces are the same in structure and size; and the PBL connecting pieces are long-strip steel plates fixed on the steel bridge deck slab, and a plurality of holes are formed in the middle of the long-strip steel plates from head to tail. The steel bridge deck compound paving structure is simple in structure, reasonable in design, convenient for construction and good in stress performance, and can effectively solve the problems currently commonly existing in the steel bridge deck paving structure that wheel ruts, slippage delamination, upheaval and the like are likely to occur in the asphalt covering.
Description
Technical field
The utility model relates to a kind of deck installation structure, especially relates to a kind of Steel Bridge Deck composite paved structure based on the PBL connector.
Background technology
At present, along with the construction development of China's Loads of Long-span Bridges, paving steel bridge deck is applied to Large Span Bridges more and more widely with its easy construction, from characteristics such as heavy and light, economic provinces.Existing a large amount of bridges, all used this form of mating formation both at home and abroad.Nowadays, the surface layer of bridge deck pavement structure is all the asphalt surface course that is formed by pitch class pavement material mostly, due under the acting in conjunction of the factors such as traffic load, environment temperature and bridge vibration, the force and deformation of bridge deck pavement structure is very complicated, thereby in actual use procedure, the asphalt surface course commonly used that adopts all exists following defective and deficiency to some extent: the first, pitch class pavement material tension, shearing resistance and compressive strength are all less, cause the steel bridge paving structure phenomenon of the early diseases such as cracking, delamination and rut to occur very general; The second, the mat formation heat stability of layer of pitch class is not enough, under the course under cyclic loading such as automobile, and the easy creep of compound and the corresponding formation permanent deformation of the layer of mating formation, permanent accumulation causes rut; Three, the pitch class surface layer of mating formation is larger to the deformation compliance of steel bridge deck, and the layer that easily causes mating formation forms a rut, gather around the disease such as bag; Four, the pitch class adhesion of mating formation between layer and steel bridge deck is not enough, easily produces the slippage delamination, and then produces cracking.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of Steel Bridge Deck composite paved structure based on the PBL connector is provided, its simple in structure, reasonable in design and easy construction, stress performance are good, can effectively solve the ubiquitous asphalt surface course of present bridge deck pavement structure and rut, slippage delamination easily occur, gather around the problems such as bag.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: comprise steel bridge deck, be laid on the light weight concrete construction the Sub on steel bridge deck and be laid on bituminous concrete upper layer on the light weight concrete construction the Sub, be provided with water-proof tack coat between described light weight concrete construction the Sub and bituminous concrete upper layer; Be laid with multiple tracks in described light weight concrete construction the Sub and be vertical bridge to the PBL connector of laying, the described PBL connector of multiple tracks is parallel laying, and the structure of the described PBL connector of multiple tracks is all identical with size; Described PBL connector is the strip steel plate that is fixed on steel bridge deck, and the middle part of described strip steel plate has a plurality of holes from front to back.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: the bottom of described strip steel plate is mutually concordant with the top of steel bridge deck, and the overhead height of described strip steel plate is lower than the upper level of light weight concrete construction the Sub.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: described bituminous concrete upper layer is the stone mastic asphalt laying.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: the bottom of described strip steel plate is fixed on steel bridge deck with welding manner.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: the described strip steel plate of multiple tracks is even laying.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: the bed thickness of described stone mastic asphalt laying is 30mm～35mm.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: described stone mastic asphalt laying is SMA-13 stone mastic asphalt laying.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: described light weight concrete construction the Sub is steel fibrous concrete laying or RPC laying.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector is characterized in that: be provided with the metal rust preventing waterproofing course between described steel bridge deck and light weight concrete construction the Sub.
Above-mentioned a kind of Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: the structure of a plurality of described holes and size are all identical, and a plurality of described holes are even laying, and described hole is circular opening.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and easy construction.
2, from surface feature, the SMA-13 stone mastic asphalt laying that adopts not only can obtain good road-ability, and can greatly relax driving to the impact of bridge deck.
3, from the compatibility of deformation aspect, modulus circle of the utility model light weight concrete construction light weight concrete construction that the Sub adopts is between steel plate and upper layer bituminous concrete used, have gentle just, temper toughness with gentleness, the rigidity sudden change problem between each deck can be alleviated, and the stress of deck installation structure can be effectively improved.
4, from the permanent deformation aspect, local permanent deformation does not occur in the light weight concrete construction that the utility model adopts, only have asphalt concrete layer to occur, and the thickness of paving structure medium pitch layer of concrete is less than existing pitch concrete pavement layer thickness, that is to say that the utility model adopts the possibility of paving structure generation rut destruction less.
5, set PBL connector, shear stiffness is large than flexible connecting members such as peg, reinforcing bars, has better anti-fatigue performance; Improve simultaneously steel bridge deck and be combined with the good connection of the layer of mating formation, reduced steel bridge deck and the slippage between layer of mating formation.
6, result of use is good and practical value is high, and set PBL connector has good shearing resistance and anti-fatigue performance, and steel bridge deck is had certain distortion; The light weight concrete construction layer that adopts can be alleviated the rigidity sudden change problem between each deck, effectively improves the paving structure stress.Thereby, the utility model can effectively solve the ubiquitous asphalt surface course of present bridge deck pavement structure and rut, slippage delamination easily occur, gather around the problems such as bag, and tension, shearing resistance and the compressive strength that can effectively solve present bridge deck pavement structure existence are all less, heat stability is not enough, chasing after from being out of shape the problems such as the not enough easily generation of adhesion slippage delamination between large and steel bridge deck steel bridge deck, significantly improve the pavement performance of Steel Bridge Deck Pavement, improved the application life of steel bridge.
In sum, simple in structure, the reasonable in design and easy construction of the utility model, stress performance are good, can effectively solve the ubiquitous asphalt surface course of present bridge deck pavement structure rut, slippage delamination easily occurs, gathers around the problems such as bag, significantly improve the pavement performance of Steel Bridge Deck Pavement, improved the application life of steel bridge.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is cut-away view of the present utility model.
Description of reference numerals:
1-steel bridge deck; 2-light weight concrete construction the Sub; 3-bituminous concrete upper layer;
4-PBL connector; 5-metal rust preventing waterproofing course; 6-water-proof tack coat;
7-hole.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model comprises steel bridge deck 1, be laid on the light weight concrete construction the Sub 2 on steel bridge deck 1 and be laid on bituminous concrete upper layer 3 on light weight concrete construction the Sub 2, is provided with water-proof tack coat 6 between described light weight concrete construction the Sub 2 and bituminous concrete upper layer 3.Be laid with multiple tracks in described light weight concrete construction the Sub 2 and be vertical bridge to the PBL connector 4 of laying, the described PBL connector 4 of multiple tracks is parallel laying, and the structure of the described PBL connector 4 of multiple tracks is all identical with size.Described PBL connector 4 is for being fixed on the strip steel plate on steel bridge deck 1, and the middle part of described strip steel plate has a plurality of holes 7 from front to back.During actual the laying, the cloth set direction of described PBL connector 4 is consistent with the longitudinal extension direction of mating formation bridge.
In the present embodiment, be provided with metal rust preventing waterproofing course 5 between described steel bridge deck 1 and light weight concrete construction the Sub 2.
In the present embodiment, the bottom of described strip steel plate is mutually concordant with the top of steel bridge deck, and the overhead height of described strip steel plate is lower than the upper level of light weight concrete construction the Sub.
Described bituminous concrete upper layer 3 is the stone mastic asphalt laying, and the bed thickness of described stone mastic asphalt laying is 30mm35mm.In the present embodiment, described stone mastic asphalt laying is SMA-13 stone mastic asphalt laying.
Described light weight concrete construction the Sub 2 is steel fibrous concrete laying or RPC laying.During practice of construction, described light weight concrete construction the Sub 2 is general adopts the concrete material of the higher and good toughness of tensile strength, and its bed thickness requires to decide according to actual carrying capacity.
In the present embodiment, the bottom of described strip steel plate is fixed on steel bridge deck 1 with welding manner.
During practice of construction, the described strip steel plate of multiple tracks is even laying.
Actually add man-hour, the structure of a plurality of described holes 7 and size are all identical, and a plurality of described holes 7 are even laying, and described hole 7 is circular opening.
During practice of construction, first the described PBL connector 4 of multiple tracks is weldingly fixed on steel bridge deck 1, can be according to requirement for bearing capacity in the Specific construction process, to material, size, the laying quantity of PBL connector 4 and lay spacing and adjust accordingly; Subsequently, construction metal rust preventing waterproofing course 5 above steel bridge deck 1 again, the purpose of metal rust preventing waterproofing course 5 is steel bridge deck 1 is carried out antirust and waterproofing work, during practice of construction, the bed thickness of described metal rust preventing waterproofing course 5 and the antirust waterproofing materials waterproof demand antirust according to reality that adopts can be adjusted; After 5 constructions of metal rust preventing waterproofing course are completed, pour into a mould light weight concrete construction and form light weight concrete construction the Sub 2 between the described PBL connector 4 of multiple tracks; Afterwards, lay again bituminous concrete upper layer 3 on light weight concrete construction the Sub 2, and lay water-proof tack coat 6 between light weight concrete construction the Sub 2 and bituminous concrete upper layer 3, can be according to specific needs during practice of construction, the bed thickness of bituminous concrete upper layer 3 is adjusted accordingly.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (10)
1. Steel Bridge Deck composite paved structure based on the PBL connector, it is characterized in that: comprise steel bridge deck (1), be laid on the light weight concrete construction the Sub (2) on steel bridge deck (1) and be laid on bituminous concrete upper layer (3) on light weight concrete construction the Sub (2), be provided with water-proof tack coat (6) between described light weight concrete construction the Sub (2) and bituminous concrete upper layer (3); Be laid with multiple tracks in described light weight concrete construction the Sub (2) and be vertical bridge to the PBL connector (4) of laying, the described PBL connector of multiple tracks (4) is parallel laying, and the structure of the described PBL connector of multiple tracks (4) is all identical with size; Described PBL connector (4) is for being fixed on the strip steel plate on steel bridge deck (1), and the middle part of described strip steel plate has a plurality of holes (7) from front to back.
2. according to a kind of Steel Bridge Deck composite paved structure based on the PBL connector claimed in claim 1, it is characterized in that: the bottom of described strip steel plate is mutually concordant with the top of steel bridge deck, and the overhead height of described strip steel plate is lower than the upper level of light weight concrete construction the Sub.
3. according to the described a kind of Steel Bridge Deck composite paved structure based on the PBL connector of claim 1 or 2, it is characterized in that: described bituminous concrete upper layer (3) is the stone mastic asphalt laying.
4. according to the described a kind of Steel Bridge Deck composite paved structure based on the PBL connector of claim 1 or 2, it is characterized in that: the bottom of described strip steel plate is fixed on steel bridge deck (1) with welding manner.
5. according to the described a kind of Steel Bridge Deck composite paved structure based on the PBL connector of claim 1 or 2, it is characterized in that: the described strip steel plate of multiple tracks is even laying.
6. according to a kind of Steel Bridge Deck composite paved structure based on the PBL connector claimed in claim 3, it is characterized in that: the bed thickness of described stone mastic asphalt laying is 30mm～35mm.
7. according to a kind of Steel Bridge Deck composite paved structure based on the PBL connector claimed in claim 3, it is characterized in that: described stone mastic asphalt laying is SMA-13 stone mastic asphalt laying.
8. according to the described a kind of Steel Bridge Deck composite paved structure based on the PBL connector of claim 1 or 2, it is characterized in that: described light weight concrete construction the Sub (2) is steel fibrous concrete laying or RPC laying.
9. according to the described a kind of Steel Bridge Deck composite paved structure based on the PBL connector of claim 1 or 2, it is characterized in that: be provided with metal rust preventing waterproofing course (5) between described steel bridge deck (1) and light weight concrete construction the Sub (2).
10. according to the described a kind of Steel Bridge Deck composite paved structure based on the PBL connector of claim 1 or 2, it is characterized in that: structure and the size of a plurality of described holes (7) are all identical, a plurality of described holes (7) are even laying, and described hole (7) is circular opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749827 CN203007833U (en) | 2012-12-31 | 2012-12-31 | Steel bridge deck compound paving structure based on PBL (Perfobond Leiste) connecting pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749827 CN203007833U (en) | 2012-12-31 | 2012-12-31 | Steel bridge deck compound paving structure based on PBL (Perfobond Leiste) connecting pieces |
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| Publication Number | Publication Date |
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| CN203007833U true CN203007833U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749827 Expired - Fee Related CN203007833U (en) | 2012-12-31 | 2012-12-31 | Steel bridge deck compound paving structure based on PBL (Perfobond Leiste) connecting pieces |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088221A (en) * | 2014-07-31 | 2014-10-08 | 长安大学 | T-shaped plate girder segment prefabricating unit based on steel truss and combined bridge deck slab |
| CN104452586A (en) * | 2014-12-09 | 2015-03-25 | 华北水利水电大学 | Steel bridge deck pavement structure and pavement method |
| CN110205893A (en) * | 2019-05-10 | 2019-09-06 | 河海大学 | The anti-folding precast concrete pavement structure of upper and lower level laying steel fibre |
| CN110593027A (en) * | 2018-06-13 | 2019-12-20 | 比亚迪股份有限公司 | Straddle type single rail and rail beam thereof |
-
2012
- 2012-12-31 CN CN 201220749827 patent/CN203007833U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088221A (en) * | 2014-07-31 | 2014-10-08 | 长安大学 | T-shaped plate girder segment prefabricating unit based on steel truss and combined bridge deck slab |
| CN104088221B (en) * | 2014-07-31 | 2015-11-25 | 长安大学 | A kind of T-shaped plate girder precast segment unit based on steel truss and combined bridge deck |
| CN104452586A (en) * | 2014-12-09 | 2015-03-25 | 华北水利水电大学 | Steel bridge deck pavement structure and pavement method |
| CN104452586B (en) * | 2014-12-09 | 2016-07-06 | 华北水利水电大学 | A kind of bridge deck pavement structure and method for paving |
| CN110593027A (en) * | 2018-06-13 | 2019-12-20 | 比亚迪股份有限公司 | Straddle type single rail and rail beam thereof |
| CN110593027B (en) * | 2018-06-13 | 2022-01-07 | 比亚迪股份有限公司 | Straddle type single rail and rail beam thereof |
| CN110205893A (en) * | 2019-05-10 | 2019-09-06 | 河海大学 | The anti-folding precast concrete pavement structure of upper and lower level laying steel fibre |
| CN110205893B (en) * | 2019-05-10 | 2021-08-10 | 河海大学 | Anti-bending precast concrete pavement structure with steel fibers laid on upper layer and lower layer |
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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: 20130619 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |