CN202214678U - Steel pouring jacket structure for improving old pier stud of bridge - Google Patents
Steel pouring jacket structure for improving old pier stud of bridge Download PDFInfo
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- CN202214678U CN202214678U CN2011202867107U CN201120286710U CN202214678U CN 202214678 U CN202214678 U CN 202214678U CN 2011202867107 U CN2011202867107 U CN 2011202867107U CN 201120286710 U CN201120286710 U CN 201120286710U CN 202214678 U CN202214678 U CN 202214678U
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- pier stud
- old
- pouring jacket
- old pier
- bridge
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Abstract
The utility model belongs to engineering parts and in particular relates to a steel pouring jacket structure for improving an old stud of a bridge. The steel pouring jacket structure is sleeved on the old stud with partial top cut and is characterized in that the steel pouring jacket structure comprises a pouring jacket and a cover plate. The cover plate is arranged and sealed on an upper opening of the pouring jacket, and the pouring jacket is sleeved on the old pier stud. The steel pouring jacket structure is simple and reasonable in structure, convenient to arrange working procedure, simple in operation, quick to form a support, and capable of reducing cost for foundation treatment, saving cost, guaranteeing force requirements after the old pier stud is cut, guaranteeing flatness of the upper portion of the old pier stud and avoiding error of the cut face of the old pier stud.
Description
Technical field
The utility model belongs to the engineering component class, is specifically related to a kind of steel bushing case that the old pier stud of bridge is transformed that is used for.
Background technology
The subway light rail engineering often need be transformed existing light rail viaduct because of planning that capacity can not satisfy growing passenger flow needs early stage in the modern city.Because of rebuilding construction can not influence the overhead use of existing light rail for a long time, often need in the limited time, accomplish rebuilding construction.Usually before the construction rebuilding construction; Construction department can only be through constructing to the mode of subway ownership department " main points "; Usually the time of will putting is relatively short, accomplish at short notice new Liang Tidaijiuliang, and track laying very big to satisfy the needs difficulty of construction that is open to traffic.And the city rail engineering is also very high to the required precision of engineering construction.Thereby it is very big to accomplish the rebuilding construction difficulty at short notice.
In rebuilding construction, the transformation of existing bridge pier is a key link that changes the construction of worker's method.The existing bridge pier transformation of domestic city light rail viaduct does not at present also have similar instance at present, only generally adopts lift-up method in the old bridge pier transformation of railway engineering, through the existing bridge of jack jacking, adopts then and cuts off or the mode of spreading is transformed.This method construct consuming time long, expense is huge, construction technology is complicated, the difficult control of construction quality, and construction precision is relatively low, is inappropriate for the improvement project of wanting the old pier stud of city rail that seeking time is short, precision is high and constructs.
Summary of the invention
The purpose of the utility model is the weak point according to above-mentioned prior art; A kind of steel bushing box structure that bridge ball pier stud is transformed that is used for is provided; This structure adopts the combining form of a suit plate and a side cover plate; Can make old pier stud cut off the back surface finish and satisfy construction requirement rapidly, the error of avoiding old pier stud to cut off face meets force request simultaneously.
The utility model purpose realizes being accomplished by following technical scheme:
A kind of steel bushing box structure that is used for the old pier stud transformation of bridge; Described steel bushing box structure is sleeved on the old pier stud that cuts off the part top; It is characterized in that: described steel bushing box structure comprises casing, cover plate, and cover plate is encapsulated in the casing upper shed, and wherein casing is sleeved on the old pier stud.
The inner-cavity structure of described casing and old pier stud shape are complementary.
The inner-cavity structure of described casing can be cuboid build, square build, column type or special-shaped cavity structure.
Described cover box structure is assemblied to form by at least two block plates.
Be reserved with injected hole on the described cover plate.
The utility model has the advantages that: can guarantee the force request after old pier stud cuts off; Cover plate on the steel bushing case can be guaranteed the planeness on old pier stud top, avoids old pier stud to cut off the error of face; Form fast bearing (to move into old bit time very short with new beam because of removing from old beam, and the steel bushing case can be equivalent to the pinner of simply supported beam bottom), simple and reasonable, arrange operation convenient, simple to operate, reduced the ground disposal cost, the saving cost.
Description of drawings
Fig. 1 is for using the pier stud sketch map of the utility model;
Fig. 2 is the casing structural representation of the utility model;
Fig. 3 is the structure of cover plate sketch map of the utility model.
The specific embodiment
Through embodiment the utility model characteristic and other correlated characteristic are done further explain below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-3, label 1-8 representes respectively: template 1, template 2, template 3, template 4, cover plate 5, injected hole 6, connector 7, old pier stud 8.
Embodiment: template 1,2,3,4 is fixedly connected with old pier stud 8 respectively. Template 1,2,3,4 forms an envelope box structure.On cover plate 5 is prefabricated injected hole 6 is arranged.Cover plate 5 is fixedly connected with above-mentioned cover box structure through connector 7.Cover plate 5 and four closely fixing enclosed cavities that form sealing one end opening of envelope box structure that template forms.
Present embodiment in the specific implementation; The installation of template 1,2,3,4 adopts symmetry to install, and elder generation's mounting template 1 at the back side of old pier stud 8 for example is afterwards in the positive mounting template 2 of old pier stud 8; In right flank mounting template 3, the template 4 that left surface is installed again forms the envelope box structure.Cover plate 5 sealing casings one end opening can guarantee that the planeness on old pier stud top satisfies construction requirement, and the error of avoiding old pier stud to cut off face forms bearing fast to make the pinner of simply supported beam bottom.
The side of template 1,2,3,4 and cover plate 5 is the inclined-plane, so that realize fitting tightly of junction between plate and the plate, and make structure more stable, and technology that these those skilled in the art know repeats no more.Like Fig. 2,3, the horizontal plane of template 1,2,3,4 is shaped as trapezoidal, makes between two templates to fit closelyr, makes whole steel bushing box structure fastening, to satisfy the force request after old pier stud cuts off.The size of template 1,2,3,4, by the structure size decision of old pier stud, its thickness depends on the force request of engineering.On average array distribution is on template for connector on the template 1,2,3,4, and dispersive stress makes connection more firm.Certainly those skilled in the art also can increase and decrease number of connecting pieces according to actual conditions, and number of connecting pieces can be by the dull and stereotyped area of casing, the required decisions such as fastening degree of technology.Connector 7 in the present embodiment is bolt, holdfast etc.
The present embodiment product is adding man-hour, and the cut surface of the making steel of steel bushing case or surface of shear are answered flawless, slag inclusion, layering and greater than the truncation of 1mm.The steel bushing case should adopt the Q345qD steel plate to process, and when being lower than-12 ℃ in environment temperature, should not carry out gagging and cold bend(ing), after adding heat straightening, should cool off naturally.When part adopted thermo forming, heating-up temperature should be controlled at 900～1000 ℃; Dropped to before 800 ℃ in temperature, should finish processing.Steel surface after the rectification do not have tangible concave surface or damage, scratch depth must not be greater than 0.5mm, and should be greater than 1/2 of the negative allowable variation of this thickness of steel product.The used steel plate specification of steel bushing case must be processed according to the figure paper size, reserves anchor hole and should carry out the setting-out making according to the actual hole of beating of pier stud.
When present embodiment uses; Excision beam support pinner is to Dun Ding; The cleaning of polishing; And smear the modified epoxy adhesive at Dun Ding, the safe performance indexes of epoxy resin gluing agent must meet " concrete structure reinforcement design specifications " (GB50367-2006) relevant regulations, the template alignment error is controlled at ± 2mm in.Should note avoiding the steel deformation of members in the process of freezing during installation, adopt symmetry to install.
Claims (4)
1. one kind is used for the steel bushing box structure that the old pier stud of bridge is transformed; Described steel bushing box structure is sleeved on the old pier stud that cuts off the part top; It is characterized in that: described steel bushing box structure comprises casing, cover plate, and cover plate is encapsulated in the casing upper shed, and wherein casing is sleeved on the old pier stud.
2. a kind of steel bushing box structure that the old pier stud of bridge is transformed that is used for according to claim 1 is characterized in that the inner-cavity structure of described casing and old pier stud shape are complementary.
3. a kind of steel bushing box structure that the old pier stud of bridge is transformed that is used for according to claim 2 is characterized in that described cover box structure is assemblied to form by at least two block plates.
4. according to the described a kind of steel bushing box structure that the old pier stud of bridge is transformed that is used for of claim 1, it is characterized in that being reserved with injected hole on the described cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202867107U CN202214678U (en) | 2011-08-09 | 2011-08-09 | Steel pouring jacket structure for improving old pier stud of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202867107U CN202214678U (en) | 2011-08-09 | 2011-08-09 | Steel pouring jacket structure for improving old pier stud of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202214678U true CN202214678U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202867107U Expired - Lifetime CN202214678U (en) | 2011-08-09 | 2011-08-09 | Steel pouring jacket structure for improving old pier stud of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202214678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452053A (en) * | 2013-08-20 | 2013-12-18 | 中铁第四勘察设计院集团有限公司 | Anti-overturning reinforcing device of single-column-pier bridge |
| CN103510460A (en) * | 2012-11-13 | 2014-01-15 | 孙超 | Bridge sliding clamping plate hook lock type box girder overturning prevention mechanism |
| CN106381812A (en) * | 2016-10-31 | 2017-02-08 | 武汉市市政建设集团有限公司 | Mounting construction method of steel concrete combination beam fastening pier |
-
2011
- 2011-08-09 CN CN2011202867107U patent/CN202214678U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103510460A (en) * | 2012-11-13 | 2014-01-15 | 孙超 | Bridge sliding clamping plate hook lock type box girder overturning prevention mechanism |
| CN103452053A (en) * | 2013-08-20 | 2013-12-18 | 中铁第四勘察设计院集团有限公司 | Anti-overturning reinforcing device of single-column-pier bridge |
| CN103452053B (en) * | 2013-08-20 | 2016-06-08 | 中铁第四勘察设计院集团有限公司 | The antidumping bracing means of Single column pier bridge |
| CN106381812A (en) * | 2016-10-31 | 2017-02-08 | 武汉市市政建设集团有限公司 | Mounting construction method of steel concrete combination beam fastening pier |
| CN106381812B (en) * | 2016-10-31 | 2018-05-01 | 武汉市市政建设集团有限公司 | A kind of affixed pier construction method of installation of Steel Concrete composite beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
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| CX01 | Expiry of patent term |