CN205822008U - Precast assembly concrete slab Elements of Space Grid Truss combination beam - Google Patents
Precast assembly concrete slab Elements of Space Grid Truss combination beam Download PDFInfo
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- CN205822008U CN205822008U CN201620721989.XU CN201620721989U CN205822008U CN 205822008 U CN205822008 U CN 205822008U CN 201620721989 U CN201620721989 U CN 201620721989U CN 205822008 U CN205822008 U CN 205822008U
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- floorings
- steel pipe
- chute
- guardrail
- string steel
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Abstract
The open a kind of precast assembly concrete slab Elements of Space Grid Truss combination beam of this utility model, string steel pipe is set in parallel at the lower surface of floorings, and abdomen steel pipe is many, interconnects composition triangular structure, supports string steel pipe;Being additionally provided with floorings chute between string steel pipe and floorings lower surface, string steel pipe is arranged in floorings chute, and string steel pipe rolls along described floorings chute.When mountain valley Bridge engineering construction, floorings are slided on string steel pipe by chute and arrive precalculated position, conveniently remove and install and transport, and overcome the defect of existing bridge structure construction on site difficulty;Guardrail is slided at floorings two ends by chute so that it is midpoint, to its floorings bonding crack, can connect and fix two pieces of floorings;The overall construction design of bridge is relatively suitable for for specific condition constructions such as mountain valleys, and composition component can be with Assembling, and processing technology is relatively simple, and cost is the most inexpensively.
Description
Technical field
This utility model relates to a kind of bridge structure, particularly relates to a kind of precast assembly coagulation being mainly used in mountain valley
Soil floorings Elements of Space Grid Truss combination beam.
Background technology
Bridge build for situation complicated highway sections such as mountain valleys is always presently required the focus technology problem of solution, at present
The small bridge engineering built in mountain valley mainly has following several bridge type: concrete cast-in-situ bridge, this bridge type is first cast-in-place coagulation
Earth pillar, then set up support cast-in-place concrete slab, this kind of method is deep in gully or has the situation in river, and support is set up comparison and is stranded
Difficulty, constructs limited;Precast assembly beam bridge, this bridge type is first to arrange bridge pier, then is lifted on by precast bridge above bridge pier, this side
Method lifting bridge cost is higher, and the most also can be limited because of geographical position;Suspension bridge, this bridge type is that comparison is traditional, is also
Use much more relatively, but this bridge type constructional difficulties, easily cause casualties, and current instrument is limited.Therefore, how to solve
At mountain valley Bridge engineering type selection and construction problem, it is to be badly in need of at present solving.
Because the defect that above-mentioned existing small bridge exists, the design people, the most in addition research and innovation, to founding
The precast assembly concrete slab Elements of Space Grid Truss combination beam of a kind of new structure so that it is have more practicality.
Utility model content
Main purpose of the present utility model is, overcomes the defect that existing small bridge exists, and provides a kind of novel
The precast assembly concrete slab Elements of Space Grid Truss combination beam of structure, reduction cost, convenient construction, thus more suitable for practicality, and
There is the value in industry.
The purpose of this utility model and solve it and technical problem is that and realize by the following technical solutions.According to this practicality
The precast assembly concrete slab Elements of Space Grid Truss combination beam of novel proposition, includes floorings, string steel pipe, abdomen steel pipe and floorings
Chute,
Described string steel pipe is set in parallel at the lower surface of described floorings, and described abdomen steel pipe is many, interconnection group
Triangularity structure, supports described string steel pipe;
Being additionally provided with floorings chute between described string steel pipe and floorings lower surface, described string steel pipe is arranged on described
In floorings chute, described string steel pipe rolls along described floorings chute.Floorings web thickness is 40cm;Wing plate thickness is
20cm, height is 100cm;A length of 600cm;Width has two kinds of sizes of 300cm and 150cm;Material is armored concrete.
As preferably, aforesaid precast assembly concrete slab Elements of Space Grid Truss combination beam, also include guardrail, described bridge
Panel is horizontal dies, and described guardrail is arranged on the two ends of floorings, and it is sliding that described guardrail is internally provided with guardrail
Groove, described guardrail chute card and on the flange plate at floorings two ends.
As preferably, aforesaid precast assembly concrete slab Elements of Space Grid Truss combination beam, at the two of described guardrail chute
What side was respectively symmetrically is provided with preformed hole, is used for placing deformed bar.
As preferably, aforesaid precast assembly concrete slab Elements of Space Grid Truss combination beam, described floorings chute is half
Round and smooth groove, size is corresponding with described string steel pipe, is used for placing described string steel pipe.
As preferably, aforesaid precast assembly concrete slab Elements of Space Grid Truss combination beam, the size of described guardrail chute
Corresponding with the flange plate at described floorings two ends.
By technique scheme, precast assembly concrete slab Elements of Space Grid Truss combination beam of the present utility model at least has
Following advantages:
Precast assembly concrete slab Elements of Space Grid Truss combination beam of the present utility model, when mountain valley Bridge engineering construction,
Floorings are slided on string steel pipe by chute and arrive precalculated position, conveniently remove and install and transport, overcoming existing bridge
The defect of structure construction on site difficulty;Guardrail by chute floorings two ends slide so that it is midpoint to its floorings bonding crack,
Can connect and fix two pieces of floorings;The overall construction design of bridge is relatively suitable for for the specific condition constructions such as mountain valley, composition
Component can be with Assembling, and processing technology is relatively simple, and cost is the most inexpensively.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can being practiced according to the content of description, below with preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Describe in detail bright as after.
Accompanying drawing explanation
Fig. 1 is this utility model precast assembly concrete slab Elements of Space Grid Truss combined beam structure schematic diagram;
Fig. 2 is this utility model precast assembly concrete slab Elements of Space Grid Truss combination beam schematic top plan view;
Fig. 3 is the 1-1 directional profile figure of Fig. 1;
Wherein: 1-floorings, 2-string steel pipe, 3-abdomen steel pipe, 4-guardrail, 5-preformed hole, 6-deformed bar, 7-guardrail are sliding
Groove, 8-floorings chute, 9-floorings bonding crack, 10-guardrail bonding crack.
Detailed description of the invention
By further illustrating the technological means and effect that this utility model taked by reaching predetermined utility model purpose,
Below in conjunction with accompanying drawing and preferred embodiment, after detailed description of the invention of the present utility model is described in detail such as.
Precast assembly concrete slab Elements of Space Grid Truss combined beam structure schematic diagram the most of the present utility model, bag
Floorings 1, string steel pipe 2, abdomen steel pipe 3, guardrail 4, preformed hole 5, deformed bar 6, guardrail chute 7 and floorings chute 8 are included.
String steel pipe 2 is set in parallel at the lower surface of floorings 1, and abdomen steel pipe 3 is many, interconnects composition triangular structure, supports
String steel pipe 2;It is additionally provided with floorings chute 8, in trisection bottom floorings between string steel pipe 2 and floorings 1 lower surface
Position arranges two semicircle chutes, i.e. floorings chute 8.
String steel pipe 2 is arranged in floorings chute 8, and string steel pipe 2 rolls along floorings chute 8, and string steel pipe 2 is certain for having
The steel pipe of bending rigidity, wall thickness has certain thickness, and its diameter is slightly less than floorings chute 8 diameter.Abdomen steel pipe 3 has necessarily
The steel pipe of comprcssive strength, wall thickness has certain thickness, and its diameter is less than string steel pipe 2 diameter.Floorings chute 8 is half round and smooth
Groove, size is corresponding with string steel pipe 2, is used for placing string steel pipe 2.Floorings 1 are horizontal dies, and guardrail 4 is arranged
At the two ends of floorings 1, guardrail 4 is internally provided with guardrail chute 7, and guardrail chute 7 blocks and flange plate at floorings 1 two ends
On.The size of guardrail chute 7 is corresponding with the flange plate at floorings 1 two ends.In the setting that the both sides of guardrail chute 7 are respectively symmetrically
There is preformed hole 5, be used for placing deformed bar 6.
For shown in Fig. 1, when concrete operations, abdomen steel pipe 3 is welded between two string steel pipes 2, makes five string steel pipe 2 shapes
Become two trianglees, form a steel truss, there is certain stability;Floorings chute 8 bottom floorings 1 is placed on
On two string steel pipes 2 on steel truss top, facilitate floorings 1 to slide on string steel pipe 2 and floorings 1 are arrived and specify construction
Position;Floorings bonding crack 9 is formed between adjacent floorings 1.Guardrail 4 is inserted along guardrail chute 7 flange plate of floorings 1
Position, facilitates guardrail 4 to slide at floorings 1, and guardrail 4 can play the work being simultaneously connected with adjacent two pieces of floorings 1 simultaneously
With;Deformed bar 6 inserts preformed hole 5, uses post stretching Shi Hanzhang, can be connected into by guardrails 4 all on floorings 1
It is an entirety, the most indirectly floorings 1 are connected to become an entirety.
String steel pipe 2 and abdomen steel pipe 3 are welded the steel truss of formation by workmen at the construction field (site), the length of steel truss be with
3m is modulus manufacture, and being placed on by steel truss needs to set up the two ends of bridge, and one end is provided with hinged, and one end is set to move
Dynamic;The floorings 1 that width is 1.5m are placed on can one end of moving of steel truss, raise steel truss, floorings 1 pass through floorings
Chute 8 slides into the steel truss other end at steel truss top string steel pipe 2, is now fixed on steel truss by floorings 1;By guardrail
4 are placed on the flange plate position, two ends of second piece of floorings 1 by guardrail chute 7, and the width of second piece of floorings 1 is 3m, peace
After installing into, second piece of floorings 1 is placed on steel truss and may move one end, between adjacent guardrail 4, form guardrail bonding crack
10.Raising steel truss, floorings 1 are slided on string steel pipe 2 by floorings chute 8 and contact with first piece of floorings 1, now will
Guardrail 4 slides into the flange plate position of first piece of floorings 1 by guardrail chute 7 at the flange plate position of second piece of floorings 1,
And it is fixing to make the termination of guardrail 4 overlap with the termination of first piece of floorings 1;The second piece of floorings 1 that slide are allowed to and first piece of bridge
Panel 1 completely attaches to free from flaw;Repeating above step, until last block floorings 1, the width of last block floorings 1 is
1.5m, is placed on above the movable terminal string steel pipe 2 of steel truss by last block floorings chute 8, is made it by slip and is fallen
Several second piece of floorings 1 contact, and are now fixed on above steel truss by last block floorings 1, simultaneously by last block guardrail
Chute 7 inserts the position, the edge of a wing, two ends of last block floorings 1, slip guardrail 4 so that it is termination connects with second from the bottom piece of guardrail 4
Touch;The movable terminal of steel truss is fixed, finally deformed bar 6 is inserted in all guardrail preformed holes 5, make row's guardrail 4
It is connected to become an entirety, uses post stretching to make reinforcing bar produce prestressing force, the two ends of deformed bar are fixed on guardrail 4 liang
Side, now completes work progress.
The above, be only preferred embodiment of the present utility model, not this utility model is made any in form
Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe
Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above
Hold and make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, the most still
Belong in the range of technical solutions of the utility model.
Claims (5)
1. a precast assembly concrete slab Elements of Space Grid Truss combination beam, it is characterised in that: include floorings (1), string steel pipe
(2), abdomen steel pipe (3) and floorings chute (8),
Described string steel pipe (2) is set in parallel at the lower surface of described floorings (1), and described abdomen steel pipe (3) is many, is connected mutually
Connect composition triangular structure, support described string steel pipe (2);
Being additionally provided with floorings chute (8) between described string steel pipe (2) and floorings (1) lower surface, described string steel pipe (2) sets
Putting in described floorings chute (8), described string steel pipe (2) rolls along described floorings chute (8).
Precast assembly concrete slab Elements of Space Grid Truss combination beam the most according to claim 1, it is characterised in that: also include
Guardrail (4), described floorings (1) are horizontal dies, and described guardrail (4) is arranged on the two ends of floorings (1), institute
Stating guardrail (4) and be internally provided with guardrail chute (7), described guardrail chute (7) is blocked and on the flange plate at floorings (1) two ends.
Precast assembly concrete slab Elements of Space Grid Truss combination beam the most according to claim 2, it is characterised in that: protect described
What the both sides of hurdle chute (7) were respectively symmetrically is provided with preformed hole (5), is used for placing deformed bar (6).
4. according to the precast assembly concrete slab Elements of Space Grid Truss combination beam described in any one of claim 1 ~ 3, it is characterised in that:
Described floorings chute (8) is semicircle chute, and size is corresponding with described string steel pipe (2), is used for placing described string steel pipe (2).
5. according to the precast assembly concrete slab Elements of Space Grid Truss combination beam described in Claims 2 or 3, it is characterised in that: described
The size of guardrail chute (7) is corresponding with the flange plate at described floorings (1) two ends.
Priority Applications (1)
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CN201620721989.XU CN205822008U (en) | 2016-07-08 | 2016-07-08 | Precast assembly concrete slab Elements of Space Grid Truss combination beam |
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CN201620721989.XU CN205822008U (en) | 2016-07-08 | 2016-07-08 | Precast assembly concrete slab Elements of Space Grid Truss combination beam |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106192756A (en) * | 2016-07-08 | 2016-12-07 | 苏交科集团股份有限公司 | String wire bar concrete slab assembled combined bridge and construction method thereof |
-
2016
- 2016-07-08 CN CN201620721989.XU patent/CN205822008U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106192756A (en) * | 2016-07-08 | 2016-12-07 | 苏交科集团股份有限公司 | String wire bar concrete slab assembled combined bridge and construction method thereof |
CN106192756B (en) * | 2016-07-08 | 2018-08-07 | 苏交科集团股份有限公司 | String wire bar-concrete slab assembled combined bridge and its construction method |
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