CN2213749Y - Bridge expasion crack - Google Patents
Bridge expasion crack Download PDFInfo
- Publication number
- CN2213749Y CN2213749Y CN 95202471 CN95202471U CN2213749Y CN 2213749 Y CN2213749 Y CN 2213749Y CN 95202471 CN95202471 CN 95202471 CN 95202471 U CN95202471 U CN 95202471U CN 2213749 Y CN2213749 Y CN 2213749Y
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- China
- Prior art keywords
- joint
- bridge
- utility
- model
- steel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The utility model relates to a bridge expansion and contraction crack. The waterproof property, the corrosion resistance and the durability of the utility model are all better than the common expansion and contraction joint. The utility model has easy construction, low cost, stable ride of the bicycle and comfortable property. A steel plate is put on the joint of the bridge to cover the joint, or the joint of a beam body is embedded tightly by using the foam plastic or wood boards. The plastic film is laid on the joint and is parallel with the beam body. The steel sheet or the plastic film is filled and poured with the high elastic polymer basic composite material. While, the steel fibre concrete reinforcement area is laid on the beam bodies of both sides of the high elastic polymer basic composite material.
Description
The utility model belongs to the bridge field, particularly the bridge expanssion joint field.
At present, the shrinkage joint of Chang Yong bridge is steel plate shrinkage joint, the board-like shrinkage joint of rubber.In real bridge uses, many unsatisfactory parts are arranged still.The steel plate shrinkage joint is because steel plate deformed, and anchoring piece reason such as come off is broken steel plate when vehicle is passed a bridge and produced maximum noise.Good but the percolating water of the board-like shrinkage joint of rubber deformation performance; Rotproofness is good; Driving is steady, but easily lax, and the steady comfortableness in lax back is not good; Construction is bigger than component difficulty, needs special tool; Rubber is easily aging, and it is fragile to connect securing member; The cost height can not keep in repair, and can only change.The maurer expansion seal of introducing, its quality is fine, but price is high, and complex process is damaged the back and is changed trouble, influences traffic.
The purpose of this utility model is to overcome the weak point that above-mentioned shrinkage joint exists, and a kind of water resistance is provided, rotproofness, easy construction, good endurance, the cheap and good shrinkage joint of steady comfortableness of driving a vehicle.
For realizing goal of the invention of the present utility model, its structure is such: place a block plate and cover joint of bridge on the joint of bridge place, 2 centimetres of holes are respectively stayed on both sides, or with foamed plastics or plank that the joint of bridge embedding is tight, last paving plastic film, and parallel with the beam body; On steel plate or plastic sheeting, fill out and irritate the high resiliency polymer matrix composite, strengthen bouncing the district and on two curb girder bodies of high resiliency polymer matrix composite, respectively lay 40～60 centimetres steel fibrous concrete, parallel with bridge floor.
Adopt the utility model structure, especially use the high resiliency polymer matrix composite as binding material and inserts, this material has bigger deformability, higher intensity and hardness, sprung back's ability preferably.Its tensile strength is more than 1.5MPa, the stretcher strain rate surpasses 100%, reach 2.0MPa with the adhesion strength of concrete and metal, rebound degree at 105 ℃ of high temperature and low temperature-15 ℃ is respectively 80% and 60%, fatigue phenomenon does not appear more than 100,000 times the time in anti-fatigue test yet, and through real bridge test, the shrinkage joint still can normally be used, driving is steady, and nothing is beated.Realized goal of the invention of the present utility model, made bridge expanssion joint have straight and even, complete, waterproof, anti-embedding sandstone and durable advantage, it is more simple to construct, and builds can open after 4～6 hours to be open to traffic.
The utility model simple structure, easy construction, the construction period is short, and the consistent planeness that reflect in operation back that is open to traffic is good, passes through at a high speed as seamless sensation, the vehicle stingless ear noise of passing a bridge, maintenance is simple.Good endurance now is compared as follows novel bridge shrinkage joint and the board-like shrinkage joint of using always at present of rubber:
| The contrast content | The utility model | Board-like rubbery expansion joint |
| Deformation performance | Good | Fair |
| Water proofing property | Non-leakage water | Percolating water |
| Dustproof anti-sandstone performance | Existing higher elasticity, higher intensity hardness again, cracky can not prevent that sandstone from embedding the shrinkage joint. | Can prevent when damaged that sandstone from embedding, preventing dust, it is good to be not so good as the utility model. |
| Corrosion resistant performance | The bareing corrosion resistant performance is good, and embed-type not contact wheel better. | Fair |
| Driving stationarity comfortableness | It is steadily comfortable to drive a vehicle, and reduces bridge vibration | Still steady, easily lax, lax back comfortableness is not good |
| The construction difficulty or ease | It is simple and convenient to construct, without special tool | The more complicated dimension of constructing is than special tools such as main point electric welding |
| Durability | Endurance is ageing-resistant, does not have any damage over 3 years | Ageing of rubber, it is fragile to connect securing member |
| Economy | Cheap every meter about 150-230 unit | Cost 400-500 rice/unit |
| The maintenance difficulty or ease | Easy to maintenance, can be open to traffic after several hours | Can not keep in repair, can only change trouble, the time is longer |
| Others | Be not afraid of the scraping of metal sharp weapon, oil resistant is water-fast | Easily destroyed by the scraping of metal sharp weapon, oil resistance is poor |
Further specify below in conjunction with accompanying drawing and embodiment.
Description of drawings:
Fig. 1 does not support load plastic foamboard shrinkage joint for bareing
Fig. 2 is bareing supporting load shrinkage joint
1. steel fibrous concrete strengthens bouncing district's 2. high resiliency polymer matrix composites
3. plastic foamboard or cork slab 4. steel plates
5. joint of bridge 6. beam bodies
7. bridge floor 8. plastic sheetings
With plastic foamboard or cork slab 3 that joint of bridge 5 embeddings are tight 6 of beam bodies, last paving plastic film 8 is irritated raising elastomeric polymer based composites 2 then, lays 40～60 centimetres steel fibrous concrete in the both sides, shrinkage joint and strengthens bouncing district 1, and is parallel with bridge floor 7.
On joint of bridge 5 places, place a steel plate 4, cover joint of bridge 5,2 centimetres of holes are stayed on every limit, and steel plate 4 is level and smooth with beam body 6 surface requirements, on steel plate 4, fill out and irritate high resiliency polymer matrix composite 2, make it to solidify to form a kind of elastomeric bearing at the joint of bridge place.And the steel fibrous concrete of laying 40～60 centimetres in the both sides, shrinkage joint strengthens bouncing district 1, and is parallel with bridge floor 7.
Claims (1)
1, a kind of bridge expanssion joint, its architectural feature is: place a block plate (4) and cover joint of bridge (5) on joint of bridge (5) is located, 2 centimetres of holes are respectively stayed on both sides; Or with foamed plastics or plank (3) that joint of bridge (5) embedding is tight, last paving plastic film (8), and parallel with beam body (6); On steel plate (4) or plastic sheeting (8), fill out and irritate high resiliency polymer matrix composite (2), strengthen bouncing district (1) and on two curb girder bodies of high resiliency polymer matrix composite, respectively lay 40～60 centimetres steel fibrous concrete, parallel with bridge floor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95202471 CN2213749Y (en) | 1995-02-16 | 1995-02-16 | Bridge expasion crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95202471 CN2213749Y (en) | 1995-02-16 | 1995-02-16 | Bridge expasion crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2213749Y true CN2213749Y (en) | 1995-11-29 |
Family
ID=33855621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95202471 Expired - Fee Related CN2213749Y (en) | 1995-02-16 | 1995-02-16 | Bridge expasion crack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2213749Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476382B (en) * | 2009-01-21 | 2010-07-28 | 中建五局第三建设有限公司 | Construction method for large area concrete terrace angle steel corner protector dividing joint |
| CN103194963A (en) * | 2013-04-25 | 2013-07-10 | 福州大学 | Structure for continuous modification of existing simply-supported T-shaped beam bridge and construction method thereof |
| CN105040583A (en) * | 2015-07-20 | 2015-11-11 | 浙江工业大学 | Bridge expansion joint structure provided with joint-crossing plate |
| CN106320170A (en) * | 2016-09-22 | 2017-01-11 | 上海市水利工程设计研究院有限公司 | V-shaped bridge expansion joint and construction method thereof |
| CN107313306A (en) * | 2017-08-12 | 2017-11-03 | 中国铁路设计集团有限公司 | Sealing structure for cold district ballastless track of high-speed railway road bed waterproof layer expansion joint |
| CN108797815A (en) * | 2017-04-27 | 2018-11-13 | 九芝堂股份有限公司 | A kind of clean room expansion joint obturator |
-
1995
- 1995-02-16 CN CN 95202471 patent/CN2213749Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101476382B (en) * | 2009-01-21 | 2010-07-28 | 中建五局第三建设有限公司 | Construction method for large area concrete terrace angle steel corner protector dividing joint |
| CN103194963A (en) * | 2013-04-25 | 2013-07-10 | 福州大学 | Structure for continuous modification of existing simply-supported T-shaped beam bridge and construction method thereof |
| CN105040583A (en) * | 2015-07-20 | 2015-11-11 | 浙江工业大学 | Bridge expansion joint structure provided with joint-crossing plate |
| CN106320170A (en) * | 2016-09-22 | 2017-01-11 | 上海市水利工程设计研究院有限公司 | V-shaped bridge expansion joint and construction method thereof |
| CN108797815A (en) * | 2017-04-27 | 2018-11-13 | 九芝堂股份有限公司 | A kind of clean room expansion joint obturator |
| CN107313306A (en) * | 2017-08-12 | 2017-11-03 | 中国铁路设计集团有限公司 | Sealing structure for cold district ballastless track of high-speed railway road bed waterproof layer expansion joint |
| CN107313306B (en) * | 2017-08-12 | 2023-02-28 | 中国铁路设计集团有限公司 | Sealing structure for expansion joint of road base surface waterproof layer of ballastless track of high-speed railway in cold area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |