CN205382395U - Many function combination prestressed reinforcement bridge with adjustable - Google Patents
Many function combination prestressed reinforcement bridge with adjustable Download PDFInfo
- Publication number
- CN205382395U CN205382395U CN201620189665.6U CN201620189665U CN205382395U CN 205382395 U CN205382395 U CN 205382395U CN 201620189665 U CN201620189665 U CN 201620189665U CN 205382395 U CN205382395 U CN 205382395U
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- bridge
- beam body
- multifunctional combined
- domes
- adjustable multifunctional
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Abstract
The utility model discloses a many function combination prestressed reinforcement bridge with adjustable, including the combination bridge body, install bridge cushion cap between the pier and the combination bridge body, bridge cushion cap's top is equipped with the shock pad, the inside of the combination bridge body transversely is provided with horizontal bobbin, the telescoping device is installed to the both sides of horizontal bobbin, the mid -mounting of horizontal bobbin has the sleeve, telescopic below fixed mounting has jack group, the below middle part of the combination bridge body is provided with the bridge bracing post, install steel strand wires in the bottom inner chamber of bridge bracing post, the both sides of steel strand wires are provided with fixed ground tackle, domes are installed to the below of bridge bracing post, the inside of domes is provided with pre -stressed reinforcement. This many function combination prestressed reinforcement bridge with adjustable has advantages such as structural design is reasonable, the resistance to compression antidetonation is effectual, safe practicality, can increase substantially the life of bridge simultaneously, can generally use widely.
Description
Technical field
This utility model belongs to bridge equipment technical field, is specifically related to a kind of adjustable multifunctional combined prestress reinforcement bridge.
Background technology
The enforcement of " five vertical five is horizontal " composite communications transport network engineering that country formulates, creates " opportunity to develop " for prestressing force industry, and the development for new product provides " advantage ".Along with the change of application standard and prescription in long-term process of construction, " pre-stressed longitudinal to structure " has tended to perfect, and be widely used for the science of bridge building by the different size size of grade separation, and across river, lake, sea grand bridge suspension cable engineering.China is vast in territory, and regional difference is big especially, and geological state, execution conditions are also especially complex, western mountainous areas and Dou You river, a lot of villages and small towns, loess plateau is big, ditch depth, slope are high, the present situation of river width, and therefore the development of local traffic transport is not also weighed very much.Propelling along with industrialization, urbanization and agricultural modernization, the passenger and freight transportation demand of China developed regions is also in sustainable growth, the covering range of existing transportation network and layout are also not enough, a lot of local traffics are also associated with working condition, local supplies, have constituted regional traffic engineering to be performed.How to adapt to existing working condition, how to utilize local supplies, such as He Jianshe villages and small towns, by the highway of grade classification, be strictly a problem very complicated, very worth research again.
In recent years highway, railway engineering construction criteria more and more higher, the bend of design is fewer and feweri, and the region of planning is increasingly wider, and river is big, ditch depth, slope present situation high, river width are more and more obvious, the middle or small bridge of supporting construction countless.For this construction principle according to country's " 12 " overall transportation system planning, research is suitable for Country Road Construction, it is suitable for highway, railway local network conveyance system, it is with practical value especially for being suitable for adjustable multifunctional combined prestress bridge ecological, environmental protection science of bridge building, is also have innovative significance especially.
Utility model content
The purpose of this utility model is in that to provide a kind of adjustable multifunctional combined prestress reinforcement bridge, with the problem solving to propose in above-mentioned background technology.
nullFor achieving the above object，This utility model provides following technical scheme: a kind of adjustable multifunctional combined prestress reinforcement bridge，Including composite bridge beam body，The both sides, lower section of described composite bridge beam body are provided with bridge pier，Between described bridge pier and composite bridge beam body, bridge bearing platform is installed，Described bridge bearing platform be arranged over cushion，Described composite bridge beam body be arranged above Bridge guardrail，The inner transverse of described composite bridge beam body is provided with horizontal bobbin，The both sides of described horizontal bobbin are provided with retractor device，The middle part of described horizontal bobbin is provided with sleeve，The lower section of described sleeve is installed with jack group，It is provided with supporting bridge post in the middle part of the lower section of described composite bridge beam body，The bottom inner chamber of described supporting bridge post is provided with steel strand wires，The both sides of described steel strand wires are provided with fixing ground tackle，Described supporting bridge post be installed below domes，Described domes be internally provided with prestressing tendon.
Preferably, described cushion by rubber layer and strengthen steel plate layer form, rubber layer with strengthen the alternate setting of steel plate layer.
Preferably, described jack group includes at least one hydraulic jack and at least one screw jack.
Preferably, described fixing ground tackle is made up of locking nut and backing plate, and the lateral dimension of described backing plate is more than locking nut lateral dimension.
Preferably, the inside of described horizontal bobbin is also provided with prestressing tendon.
Preferably, described domes are I-steel assembly riveted joint composition.
Compared with prior art, the beneficial effects of the utility model are: this adjustable multifunctional combined prestress reinforcement bridge, design by horizontal bobbin, sleeve and jack group, prestressing tendon can be carried out transverse stretching, thus realizing the adjustment to bridge prestress, and only need less external force can reach equal prestressing force effect, convenient and practical；Design by domes and prestressing tendon so that the prestressing force of composite bridge beam body can be disperseed, effectively extends the service life of bridge；Design by supporting bridge post and steel strand wires so that the prestressing force produced in combined bridge body can be dispersed to supporting bridge post place further, effectively reduces the bearing capacity of bridge end, the bearing capacity of reasonable balance integrated deck；This adjustable multifunctional combined prestress reinforcement bridge, has the advantages such as reasonable in design, resistance to compression anti seismic efficiency are good, safe and practical, can increase substantially the service life of bridge simultaneously, it is possible to popularity uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: Bridge 1 pier, Bridge 2 joist support platform, 3 retractor devices, 4 Bridge guardrails, 5 composite bridge beam body, 6 supporting bridge posts, 7 sleeves, 8 jack groups, 9 steel strand wires, 10 cushions, 11 fixing ground tackles, 12 domes, 13 prestressing tendons, 14 horizontal bobbins.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullThis utility model provides a kind of adjustable multifunctional combined prestress reinforcement bridge as shown in Figure 1，Including composite bridge beam body 5，The both sides, lower section of described composite bridge beam body 5 are provided with bridge pier 1，Between described bridge pier 1 and composite bridge beam body 5, bridge bearing platform 2 is installed，Described bridge bearing platform 2 be arranged over cushion 10，The vibration of bridge floor can be effectively reduced，Extend the service life of bridge，Described cushion 10 is made up of rubber layer and reinforcement steel plate layer，Rubber layer and the reinforcement alternate setting of steel plate layer，Described composite bridge beam body 5 be arranged above Bridge guardrail 4，The inner transverse of described composite bridge beam body 5 is provided with horizontal bobbin 14，The inside of described horizontal bobbin 14 is also provided with prestressing tendon 13，The both sides of described horizontal bobbin 14 are provided with retractor device 3，The middle part of described horizontal bobbin 14 is provided with sleeve 7，The lower section of described sleeve 7 is installed with jack group 8，Described jack group 8 includes at least one hydraulic jack and at least one screw jack，Prestressing tendon can be carried out transverse stretching by jack group 8，Thus realizing the adjustment to bridge prestress，And only need less external force can reach equal prestressing force effect，Convenient and practical，It is provided with supporting bridge post 6 in the middle part of the lower section of described composite bridge beam body 5，The bottom inner chamber of described supporting bridge post 6 is provided with steel strand wires 9，Make the prestressing force produced in composite bridge beam body 5 can be dispersed to supporting bridge post 6 place further，Effectively reduce the bearing capacity of bridge end，The bearing capacity of reasonable balance integrated deck，The both sides of described steel strand wires 9 are provided with fixing ground tackle 11，Described fixing ground tackle 11 is made up of locking nut and backing plate，The lateral dimension of described backing plate is more than locking nut lateral dimension，Described supporting bridge post 6 be installed below domes 12，Described domes 12 are I-steel assembly riveted joint composition，Described domes 12 be internally provided with prestressing tendon 13，This adjustable multifunctional combined prestress reinforcement bridge，There is reasonable in design、Resistance to compression anti seismic efficiency is good、The advantage such as safe and practical，The service life of bridge can be increased substantially simultaneously，Can use by popularity.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; it is not limited to this utility model; although this utility model being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent replacement; all within spirit of the present utility model and principle; any amendment of being made, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (6)
- null1. an adjustable multifunctional combined prestress reinforcement bridge，Including composite bridge beam body (5)，The both sides, lower section of described composite bridge beam body (5) are provided with bridge pier (1)，It is characterized in that: bridge bearing platform (2) is installed between described bridge pier (1) and composite bridge beam body (5)，Described bridge bearing platform (2) be arranged over cushion (10)，Described composite bridge beam body (5) be arranged above Bridge guardrail (4)，The inner transverse of described composite bridge beam body (5) is provided with horizontal bobbin (14)，The both sides of described horizontal bobbin (14) are provided with retractor device (3)，The middle part of described horizontal bobbin (14) is provided with sleeve (7)，The lower section of described sleeve (7) is installed with jack group (8)，It is provided with supporting bridge post (6) in the middle part of the lower section of described composite bridge beam body (5)，The bottom inner chamber of described supporting bridge post (6) is provided with steel strand wires (9)，The both sides of described steel strand wires (9) are provided with fixing ground tackle (11)，Described supporting bridge post (6) be installed below domes (12)，Described domes (12) be internally provided with prestressing tendon (13).
- 2. a kind of adjustable multifunctional combined prestress reinforcement bridge according to claim 1, it is characterised in that: described cushion (10) is by rubber layer and strengthens steel plate layer and forms, rubber layer with strengthen the alternate setting of steel plate layer.
- 3. a kind of adjustable multifunctional combined prestress reinforcement bridge according to claim 1, it is characterised in that: described jack group (8) includes at least one hydraulic jack and at least one screw jack.
- 4. a kind of adjustable multifunctional combined prestress reinforcement bridge according to claim 1, it is characterised in that: described fixing ground tackle (11) is made up of locking nut and backing plate, and the lateral dimension of described backing plate is more than locking nut lateral dimension.
- 5. a kind of adjustable multifunctional combined prestress reinforcement bridge according to claim 1, it is characterised in that: the inside of described horizontal bobbin (14) is also provided with prestressing tendon (13).
- 6. a kind of adjustable multifunctional combined prestress reinforcement bridge according to claim 1, it is characterised in that: described domes (12) are I-steel assembly riveted joint composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189665.6U CN205382395U (en) | 2016-03-11 | 2016-03-11 | Many function combination prestressed reinforcement bridge with adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189665.6U CN205382395U (en) | 2016-03-11 | 2016-03-11 | Many function combination prestressed reinforcement bridge with adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205382395U true CN205382395U (en) | 2016-07-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620189665.6U Expired - Fee Related CN205382395U (en) | 2016-03-11 | 2016-03-11 | Many function combination prestressed reinforcement bridge with adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205382395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700113A (en) * | 2019-11-05 | 2020-01-17 | 中建交通建设集团有限公司 | Prestress applying device of non-prestressed beam bridge and construction method thereof |
-
2016
- 2016-03-11 CN CN201620189665.6U patent/CN205382395U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700113A (en) * | 2019-11-05 | 2020-01-17 | 中建交通建设集团有限公司 | Prestress applying device of non-prestressed beam bridge and construction method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20170311 |