CN206512620U - A kind of steel basil is buried jacking box culvert device - Google Patents
A kind of steel basil is buried jacking box culvert device Download PDFInfo
- Publication number
- CN206512620U CN206512620U CN201720127387.6U CN201720127387U CN206512620U CN 206512620 U CN206512620 U CN 206512620U CN 201720127387 U CN201720127387 U CN 201720127387U CN 206512620 U CN206512620 U CN 206512620U
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- China
- Prior art keywords
- basil
- box culvert
- steel
- movable steel
- jacking
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model is related to a kind of steel basil and buried jacking box culvert device, including box culvert body；The movable steel basil is provided with the front end of the box culvert body, the movable steel basil is nested in the front end of the box culvert body and moved back and forth along the direction of box culvert body jacking, the basil jack advanced in the front end face of the box culvert body provided with the movable steel basil described in top pressure.The mode of heading into is replaced using the movable steel basil and box culvert body during construction.The beneficial effects of the utility model are：Significantly improve the steel basil and box culvert heads into the ability of roadbed, the front end of the movable steel basil is maintained in work progress in the soil layer of roadbed, can effectively prevent the lateral roadbed of box culvert from caving in, it is ensured that box culvert buries the security reliability of jacking construction.
Description
Technical field
The utility model belongs to bridge equipment technical field, more particularly to a kind of steel basil is buried jacking box culvert device.
Background technology
When existing railway or highway increase box pass by one's way culvert, in order to not interrupt existing traffic, mostly using by roadbed
Side is prefabricated, the construction method then headed into again.When heading into, the conventional just beam of railway is by the built on stilts unloading of track, and box culvert main body is under
The square jacking when excavating, it is standing to put the Simple steel basil being fixed on the side wall of front end in order to prevent the lateral roadbed of box culvert from caving in.Root
According to construction experience for many years, this method is not buried due to the steel basil, and protective action can not be played substantially.Because the steel basil does not enter
Soil, road excavation free face is big, and box culvert is in jack-in process, and it is unavoidable that front end side, which caves in, is made in place to later stage jacking
It is larger into backfilling working amount, and can not ensure that backfill quality leaves potential safety hazard to roadbed because working space is narrow.
The content of the invention
The purpose of this utility model is to propose that a kind of steel basil is buried the technical scheme of jacking box culvert device, improves box culvert top
Enter function, enhancing box culvert buries the security reliability of jacking construction.
To achieve these goals, the technical solution of the utility model is：A kind of steel basil is buried jacking box culvert device, bag
Include box culvert body；The movable steel basil is provided with the front end of the box culvert body, the movable steel basil is nested in the box culvert sheet
The front end of body is simultaneously moved back and forth along the direction of box culvert body jacking, and activity described in top pressure is provided with the front end face of the box culvert body
The basil jack that the steel basil is advanced.
Further, it is characterised in that the movable steel basil includes the bottom plate basil, the top plate basil, the left side basil and the right side
Side edge angle, the movable steel basil forward position is the tapered end that the top plate basil is forward extended out, the left side of the movable steel basil
The forward position of the basil and the right side basil is provided with the zigzag of upright front sword.
Further, it is characterised in that the movable steel basil forward position is that wedge-shaped gradient is 1:1 tapered end, the work
The left side basil of the dynamic steel basil and the forward position of the right side basil are the right angle zigzag being made up of the upright front sword and level edge,
The length on the upright front sword and level edge is 200mm.
Further, the movable steel basil is provided with a plurality of reinforcement, and force bearing plate is provided with the rear end of the reinforcement, right
Should be in each reinforcement provided with a basil jack, the basil jack top pressure is on the force bearing plate.
Further, the front end of the box culvert body be provided with liner steel bushing and outer shield steel bushing, the movable steel basil it is interior
Chamber is nested in the inner lining steel to be slidably matched and put, and the movable steel basil is nested within the outer shield steel bushing；It is described
The rear end of the movable steel basil is moved back and forth between the liner steel bushing and outer shield steel bushing.
Further, the nested lengths of the movable steel basil and the box culvert body are 1600mm, and the basil is very heavy
The range on top is not less than 500mm.
The beneficial effects of the utility model are：Using replace head into mode of the movable steel basil with box culvert body, significantly carry
The high steel basil and box culvert head into the ability of roadbed, the front end of the movable steel basil is maintained at the soil layer of roadbed in work progress
In, it can effectively prevent the lateral roadbed of box culvert from caving in, it is ensured that box culvert buries the security reliability of jacking construction.
The utility model is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is that the utility model steel basil is buried the structure chart of jacking box culvert device；
Fig. 2 is that the utility model steel basil is buried the structure decomposition figure of jacking box culvert device；
Fig. 3 is that the utility model steel basil is buried the facade view of jacking box culvert device；
Fig. 4 is Fig. 3 A partial enlarged drawings；
Fig. 5 is Fig. 3 B partial enlarged drawings；
Fig. 6 is the utility model construction method schematic diagram, is that the steel basil buries jacking box culvert device by roadbed body
Position；
Fig. 7 is the utility model construction method schematic diagram, using the movable steel basil described in basil jack top pressure, makes activity
In steel basil incision subgrade soil；
Fig. 8 is the utility model construction method schematic diagram, and the roadbed body that part is headed into by the movable steel basil is dug
Pick；
Fig. 9 is the utility model construction method schematic diagram, and main body jacking mechanism promotes box culvert body to advance；
Figure 10 is the utility model construction method schematic diagram, and repetition makes the movable steel basil cut in subgrade soil.
Embodiment
If Fig. 1 is to Fig. 5, a kind of steel basil is buried jacking box culvert device, including box culvert body 10；In the box culvert body
Front end is provided with the movable steel basil 20, and the movable steel basil is nested in the front end of the box culvert body and along box culvert body jacking
Direction is moved back and forth, the basil jack 30 advanced in the front end face of the box culvert body provided with the movable steel basil described in top pressure.
The movable steel basil includes the bottom plate basil 21, the top plate basil 22, the left side basil 23 and the right side basil 24, the work
Dynamic steel basil forward position is the tapered end that the top plate basil is forward extended out, the left side basil and the right side basil of the movable steel basil
Forward position be provided with the zigzag of upright front sword 25.
The movable steel basil forward position is that wedge-shaped gradient is 1:1 tapered end, the left side basil of the movable steel basil and
The forward position of the right side basil is the right angle zigzag being made up of the upright front sword 25 and level along 26, the upright front sword and
The length C on level edge is 200mm.
The movable steel basil is provided with a plurality of reinforcement 27, is provided with force bearing plate 28 in the rear end of the reinforcement, corresponds to
Each reinforcement is provided with a basil jack, and the basil jack top pressure is on the force bearing plate.
The front end of the box culvert body is provided with liner steel bushing 11 and outer shield steel bushing 12, and the inner chamber of the movable steel basil is with cunning
Dynamic cooperation is nested in the inner lining steel and put, and the movable steel basil is nested within the outer shield steel bushing；The movable steel
The rear end of the basil is moved back and forth between the liner steel bushing and outer shield steel bushing.
The nested lengths S of the movable steel basil and the box culvert body is 1600mm, the maximum of the basil jack
Stroke is not less than 500mm.
Embodiment one：
If Fig. 1 is to Fig. 5, a kind of steel basil is buried jacking box culvert device, including box culvert body 10.Box culvert body is a steel
The prefabricated box culvert of reinforced concrete, passes through the culvert of jacking mode railroad crossing roadbed.The box culvert body of the present embodiment is a horizontal stroke
Section is square box culvert, outer wall width W=3960mm, outer wall height H=3560mm, inwall width W0=3000mm, inside wall height
H0=2600mm.The front end of box culvert body is provided with the contraction section of a segment length S=1600mm length, in the outer surface of contraction section provided with interior
Lined steel set 11, liner steel bushing is the thick steel plates of 20mm, is embedded in when pouring on box culvert body, the outer surface retraction of liner steel bushing
Outer surface S1=70mm of box culvert body.It is nested in inner lining steel and is cased with outer shield steel bushing 12, the outer surface of outer shield steel bushing and box culvert body
Flush with outer surface, outer shield steel bushing is the thick steel plates of 20mm, and box culvert is fixed on by embedded iron 13 in the root of the contraction section
On body, outer shield steel bushing stretches out length S1=1000mm of contraction section root.Formed between liner steel bushing and outer shield steel bushing between one
Empty set away from 50mm.
The movable steel basil 20 is provided with the front end of box culvert body, the cross section of the movable steel basil is corresponding with box culvert body
It is square.The movable steel basil includes the bottom plate basil 21, the top plate basil 22, the left side basil 23 and the right side basil 24.Before the movable steel basil
Edge is the tapered end that the top plate basil is forward extended out, and wedge-shaped gradient K is 1:1.The forward position of the left side basil and the right side basil be by
The length C on the right angle zigzag of upright front sword 25 and level along 26 compositions, upright front sword and level edge is 200mm.It is living
The dynamic steel basil is provided with a plurality of reinforcement 27.In the present embodiment, the left side basil and the right side basil are respectively provided with 7 reinforcements, bottom plate sword
Angle and the top plate basil are provided with 8 reinforcements.Force bearing plate 28 is provided with the rear end of reinforcement.
The movable steel basil is the square cylinder being made up of the thick steel plates of 30mm, and the inner chamber of the movable steel basil is embedding to be slidably matched
The inner lining steel for being enclosed on box culvert body is put, the movable steel basil be nested in it is described it is outer shield steel bushing within, the movable steel basil with
The maximum nested lengths S of box culvert body is 1600mm.The rear end of the movable steel basil covers reciprocal between outer shield steel bushing in inner lining steel
Mobile, moving direction is also the direction of box culvert body jacking.
The basil jack 30 that the top pressure movable steel basil is advanced is provided with the front end face of box culvert body.It is right in the present embodiment
A basil jack should be provided with every reinforcement of the movable steel basil, have 30 basil jack.Basil jack top
On the force bearing plate for being pressed in the movable steel basil.The range of basil jack is 500mm.
Making the bury preparation method of jacking box culvert device of the steel basil is, by the bottom plate basil, the left side basil, the right side basil,
Four parts of the top plate basil are fabricated separately.First shear blade angle is completed on the spot, is placed in the prefabricated working pit of box culvert, then apply
Lined steel plate shield system inside and outside the underplate concrete of work box culvert body and pre-buried ring.Treat box culvert abutment wall and top plate and related
The construction of preceding lining steel plate after the completion of, then the left side basil, the right side basil and the top plate basil, subsequent welded and installed box culvert front end are installed
Outer lining sheath steel plate.
Embodiment two：
If Fig. 6 is to Figure 10, a kind of steel basil is buried jacking box culvert construct method, is entered using the steel basil described in embodiment one
Native jacking box culvert device, box culvert is headed into roadbed body 01, and the roadbed of the present embodiment is that the both sides gradient is 1:1 railway road
Base.
In the rear end of box culvert body provided with the main body jacking mechanism 40 for promoting box culvert body to advance.
The step of construction method, includes：
A. by the steel basil bury jacking box culvert device by roadbed body it is in place, and set in the rear end of box culvert body
Main body jacking mechanism is put, as shown in Figure 6；
B. the movable steel basil described in basil jack top pressure is used, the movable steel basil is headed into one section of the roadbed body
Top pressure stroke L=450mm, makes the movable steel basil cut in subgrade soil, as shown in Figure 7；
C. the roadbed body that part is headed into by the movable steel basil is excavated, the movable steel is kept in mining process
In basil front end incision soil, L0=10mm into movable steel basil front end incision soil is excavated.As shown in Figure 8；
D. the top pressure of the basil jack pair movable steel basil is removed, basil jack is shunk, main body jacking mechanism is promoted
Box culvert body advances, and advance length is one section of top pressure stroke 450mm, as shown in Figure 9；
E. repeat step b, as shown in Figure 10.Until box culvert body passes through roadbed.
Due to using the top pressure of the mode of heading into that replaces of the movable steel basil and box culvert body, the movable steel basil and box culvert body
Resistance is smaller, it is easier to complete top pressure operation.The damage of box culvert body and the movable steel basil can also be avoided.In work progress
In, the forward position of the movable steel basil is cut within the soil body of roadbed all the time, can be effectively prevented from subgrade soil and be caved in, reduce the later stage
To the processing workload of box culvert side roadbed.When being excavated due to roadbed body, its excavation surface can form the natural gradient, living
Dynamic steel basil forward position uses gradient K for 1:1 tapered end, can be effectively adapted to before the natural grade of the soil body, the movable steel basil
End is effectively maintained in the soil body.The forward position of the left side basil and the right side basil uses right angle zigzag, can eliminate because of the hypotenuse soil body
The upward counter-force produced to the basil.Device simple structure of the present utility model, it is easy to use, it is ensured that box culvert buries jacking construction
Security reliability, improve construction quality.
Claims (6)
- The jacking box culvert device 1. a kind of steel basil is buried, including box culvert body；Characterized in that, in the front end of the box culvert body Provided with the movable steel basil, the movable steel basil is nested in the front end of the box culvert body and past along the direction of box culvert body jacking Basil jack that is multiple mobile, advancing in the front end face of the box culvert body provided with the movable steel basil described in top pressure.
- The jacking box culvert device 2. a kind of steel basil according to claim 1 is buried, it is characterised in that the movable steel basil Including the bottom plate basil, the top plate basil, the left side basil and the right side basil, the movable steel basil forward position be the top plate basil forward The tapered end of stretching, the left side basil of the movable steel basil and the forward position of the right side basil are provided with the sawtooth of upright front sword Shape.
- The jacking box culvert device 3. a kind of steel basil according to claim 2 is buried, it is characterised in that the movable steel basil Forward position is that wedge-shaped gradient is 1:1 tapered end, the left side basil of the movable steel basil and the forward position of the right side basil are by described The length on the right angle zigzag of upright front sword and level along composition, the upright front sword and level edge is 200mm.
- The jacking box culvert device 4. a kind of steel basil according to claim 1 is buried, it is characterised in that the movable steel basil Provided with a plurality of reinforcement, force bearing plate is provided with the rear end of the reinforcement, corresponding to each reinforcement provided with described in one Basil jack, the basil jack top pressure is on the force bearing plate.
- The jacking box culvert device 5. a kind of steel basil according to claim 1 is buried, it is characterised in that the box culvert body Front end is provided with liner steel bushing and outer shield steel bushing, and the inner chamber of the movable steel basil is nested in the liner steel bushing to be slidably matched On, the movable steel basil is nested within the outer shield steel bushing；The rear end of the movable steel basil is in the liner steel bushing Moved back and forth between outer shield steel bushing.
- The jacking box culvert device 6. a kind of steel basil according to claim 1 is buried, it is characterised in that the movable steel basil Nested lengths with the box culvert body are 1600mm, and the range of the basil jack is not less than 500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127387.6U CN206512620U (en) | 2017-02-13 | 2017-02-13 | A kind of steel basil is buried jacking box culvert device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127387.6U CN206512620U (en) | 2017-02-13 | 2017-02-13 | A kind of steel basil is buried jacking box culvert device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512620U true CN206512620U (en) | 2017-09-22 |
Family
ID=59867318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720127387.6U Expired - Fee Related CN206512620U (en) | 2017-02-13 | 2017-02-13 | A kind of steel basil is buried jacking box culvert device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206512620U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894350A (en) * | 2017-02-13 | 2017-06-27 | 中交隧道工程局有限公司 | A kind of steel basil is buried jacking box culvert device and construction method |
| CN108756921A (en) * | 2018-04-09 | 2018-11-06 | 成都利拓重工机械有限公司 | A kind of pipe capsule construction milling digging device |
| CN112502042A (en) * | 2020-10-27 | 2021-03-16 | 中建三局基础设施建设投资有限公司 | Construction method for improving jacking efficiency of large frame bridge |
-
2017
- 2017-02-13 CN CN201720127387.6U patent/CN206512620U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894350A (en) * | 2017-02-13 | 2017-06-27 | 中交隧道工程局有限公司 | A kind of steel basil is buried jacking box culvert device and construction method |
| CN108756921A (en) * | 2018-04-09 | 2018-11-06 | 成都利拓重工机械有限公司 | A kind of pipe capsule construction milling digging device |
| CN112502042A (en) * | 2020-10-27 | 2021-03-16 | 中建三局基础设施建设投资有限公司 | Construction method for improving jacking efficiency of large frame bridge |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20210213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |