CN109338887A - A kind of leveling unit and construction method of cast-in-situ box girder - Google Patents
A kind of leveling unit and construction method of cast-in-situ box girder Download PDFInfo
- Publication number
- CN109338887A CN109338887A CN201811313370.5A CN201811313370A CN109338887A CN 109338887 A CN109338887 A CN 109338887A CN 201811313370 A CN201811313370 A CN 201811313370A CN 109338887 A CN109338887 A CN 109338887A
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- reinforcing bar
- top surface
- slide plate
- leveling
- sliding slot
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
Abstract
A kind of leveling unit and construction method of cast-in-situ box girder, including slide plate and levelling crossbeam, the slide plate includes concrete leveling slide plate and reinforcing bar top surface correction slide plate, the side wall both ends of the concrete leveling slide plate and reinforcing bar top surface correction slide plate are opened up there are two threaded hole, the concrete leveling slide plate and reinforcing bar top surface correct slide plate and are threaded with screw rod by threaded hole, each screw rod is threadedly coupled there are four fastening bolt, four fastening bolts are located at the upper and lower ends of concrete leveling slide plate and reinforcing bar top surface correction slide plate, the bottom end of the screw rod is fixedly connected there are two embedded bar sleeve；Structure of the invention is simple, it is easy to operate, convenient for production, and it is reusable, applicability is extensive, it solves the problems, such as that the top surface for pouring beam slab is not easy smooth and existing the levelling of leveling method and is limited in scope, establishes good image to the high-quality construction of enterprise, be more beneficial to the propulsion of standardized construction.
Description
Technical field
The present invention relates to construction engineering technical field, the leveling unit and construction method of specially a kind of cast-in-situ box girder.
Background technique
Cast-in-place concrete is fewer and fewer at this stage, and uses precast concrete engineering more and more, to meet duration and matter
Measure stable demand, but the still extensive at the construction field (site) application of the technology of Cast-in-situ Beam, while the prefabricated top surface coagulation of beam piece
The levelling thickness for still directly affecting quality and cover to reinforcement that bridge is mated formation of soil.
For most construction personnel when carrying out deck paving, there are more to transfinite a little for the absolute altitude of Liang Chuding, and spreads in bridge floor
Carried out when dress it is levelling, although in this way processing deck paving effect it is relatively good, protective layer cannot be ensured effectively, on the later period
After the asphalt of face, it is easy to produce hidden danger of quality, influences the total quality and service life of road surface and bridge.
Nowadays the top surface construction of Cast-in-situ Beam is after reinforcing bar binding is fully completed, in reinforcing bar upper layer, using setting one to
The progress of twice longitudinal reinforcement is levelling, levelling using longitudinal reinforcement progress in casting concrete, but due to the range of its setting
Not enough, limited area, levelling range cannot be met the requirements, however it remains certain drawbacks.
How to ensure cast-in-place top surface of the beam concrete quality, while meets the requirements flatness, and can be at the construction field (site)
It flexibly uses, is the main points that the present invention inquires into.
Summary of the invention
It is an object of the invention to solve the top surface mentioned above in the background art for pouring beam slab to be not easy smooth and existing look for
Levelling the problem of being limited in scope of quadratic method.
To achieve the above object, the present invention provides the leveling unit and construction method of a kind of cast-in-situ box girder:
A kind of leveling unit of cast-in-situ box girder, including slide plate and levelling crossbeam, the slide plate include concrete leveling
Slide plate and reinforcing bar top surface correct slide plate, the side wall both ends of the concrete leveling slide plate and reinforcing bar top surface correction slide plate
It opens up there are two threaded hole, the concrete leveling slide plate and reinforcing bar top surface correction slide plate are threadedly coupled by threaded hole
There is screw rod, each screw rod is threadedly coupled there are four fastening bolt, and four fastening bolts are located at concrete leveling
The upper and lower ends of slide plate and reinforcing bar top surface correction slide plate, the bottom end of the screw rod is fixedly connected there are two embedded bar set
Cylinder；The concrete leveling sliding rail plate surface offers concrete leveling sliding slot, and the both ends of the concrete leveling sliding slot are all provided with
There is concrete leveling sliding slot bayonet, the concrete leveling sliding rail plate surface, which is located at the top of concrete leveling sliding slot bayonet, to be opened
Equipped with concrete leveling beam insert port, the concrete leveling beam insert port is connected with concrete leveling beam sliding slot bayonet；It is described
Reinforcing bar top surface correction sliding rail plate surface offers reinforcing bar top surface correction sliding slot, and the both ends of the reinforcing bar top surface correction sliding slot are equipped with
Reinforcing bar top surface leveling beam sliding slot bayonet, the reinforcing bar top surface correction sliding rail plate surface are located at reinforcing bar top surface leveling beam sliding slot bayonet
Reinforcing bar top surface leveling beam insert port, the reinforcing bar top surface leveling beam insert port and reinforcing bar top surface leveling beam sliding slot are offered at top
Bayonet is connected；The both ends of the levelling crossbeam are fixedly connected to card column, and the outside end surfaces of the card column are fixedly connected with card
Cap, the levelling crossbeam are corrected sliding slot and are slidably connected by card column and concrete leveling sliding slot, reinforcing bar top surface.
The diameter of the levelling crossbeam is greater than concrete leveling sliding slot and reinforcing bar top surface corrects sliding slot；The diameter of the card cap
Less than the diameter of concrete leveling beam insert port and reinforcing bar top surface leveling beam insert port, and the diameter of the card cap is greater than greater than mixed
Solidifying native levelling sliding slot and reinforcing bar top surface correct sliding slot.
The material of the slide plate is steel plate, the size of the concrete leveling slide plate and reinforcing bar top surface correction slide plate
It is identical.
A kind of construction method of the leveling unit of cast-in-situ box girder, specifically includes the following steps:
Step 1 finishes the reinforcing bar binding of Cast-in-situ Beam top plate；
Step 2, each longitudinal direction in middle position of longitudinal terminal surface at the left width of the longitudinal direction Liang Chu section, the outer side edges of right width and beam
Three embedded bar is set；
Step 3 makes concrete leveling slide plate using steel plate and reinforcing bar top surface corrects slide plate, and looks in concrete
Flat slide plate and reinforcing bar top surface correction sliding rail plate surface are parallel to each other and the identical sliding slot of size together with opening up respectively, respectively mixed
Solidifying native levelling sliding slot and reinforcing bar top surface correct sliding slot, and concrete leveling beam is opened up above the two side ends of concrete leveling sliding slot and is inserted
Entrance makes its concrete leveling sliding slot bayonet connection with concrete leveling sliding slot two side ends, in reinforcing bar top surface correction sliding slot
Reinforcing bar top surface leveling beam insert port is opened up above two side ends, looks for the reinforcing bar top surface of itself and the two side ends of reinforcing bar top surface correction sliding slot
Flat-topped ridge sliding slot bayonet connection；Threaded hole is opened up in concrete leveling slide plate and reinforcing bar top surface correction slide plate side wall both ends,
Threaded hole internal screw thread connecting screw, and the levelling slide plate of fastening nut fixing concrete and the correction of reinforcing bar top surface are set on screw rod
Slide plate welds embedded bar sleeve in the rear surface of screw rod, and the specification and embedded bar of embedded bar sleeve are mating；
Step 4 makes levelling crossbeam, welds card column in the two side ends of levelling crossbeam, and weld and block in the side of card column
Cap；
Step 5 is socketed by burying reinforced bar sleeve and embedded bar, and slide plate is mounted on to the side edge of beam piece, and according to
Designed elevation controls the height of concrete leveling slide plate and reinforcing bar top surface correction slide plate on screw rod, then levelling crossbeam is led to
Reinforcing bar top surface leveling beam insert port insertion reinforcing bar top surface correction sliding slot is crossed, makes levelling crossbeam along reinforcing bar top surface correction sliding slot in beam
On piece end moves in parallel, and carries out calibration to the arrangement top surface absolute altitude of beam piece reinforcing bar, after the completion of correction, levelling crossbeam is passed through coagulation
Native leveling beam insert port is inserted into concrete leveling sliding slot, determines beam piece surface concrete absolute altitude, casting concrete, while making levelling
Crossbeam is moved in parallel along concrete leveling sliding slot at beam on piece end, is carried out to beam piece surface concrete levelling；
Step 6, after the completion of levelling operation, disassembly sliding track plate and levelling crossbeam.
In step 2, the quantity of per pass embedded bar is greater than 2, and embedded bar is spaced set.
In step 2, accurate settingout is needed to determine the elevation of top surface of embedded bar, while basis before embedded bar installation
Bridge is horizontal
It is compared with prior art, the present invention having the following advantages and benefits:
1) leveling unit of the cast-in-situ box girder corrects sliding slot in concrete leveling sliding slot, reinforcing bar top surface by levelling crossbeam
Parallel sliding, levelling correction can be carried out to the concrete and reinforcing bar of Cast-in-situ Beam simultaneously, avoid the concrete bridge deck of Cast-in-situ Beam
The reprocessing mated formation ensure that the flatness of Cast-in-situ Beam and the construction quality of beam piece reinforcing bar
2) leveling unit of the cast-in-situ box girder corrects slide plate in screw rod by concrete leveling slide plate and reinforcing bar top surface
Move up and down, can be adjusted at any time according to designed elevation concrete leveling slide plate and reinforcing bar top surface correction slide plate height and
Spacing, it is using flexible, easy to operate.
Structure of the invention is simple, easy to operate, convenient for making, and it is reusable, applicability is extensive, solves and pours beam
The top surface of plate is not easy levelling the problem of being limited in scope of smooth and existing leveling method, establishes to the high-quality construction of enterprise good
Good image, is more beneficial to the propulsion of standardized construction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of slide plate of the invention；
Fig. 2 is the structural schematic diagram of levelling crossbeam of the invention；
Fig. 3 is the implementation diagram that the present invention is applied to beam piece；
In figure: 1 concrete leveling slide plate, 2 reinforcing bar top surfaces correct slide plate, 3 concrete leveling sliding slots, 4 reinforcing bar top surfaces
Correct sliding slot, 5 concrete leveling sliding slot bayonets, 6 concrete leveling beam insert ports, 7 reinforcing bar top surface leveling beam sliding slot bayonets, 8 steel
Top rib face leveling beam insert port, 9 embedded bar sleeves, 10 card columns, 11 card caps, 12 embedded bars, 13 screw rods, 14 levelling crossbeams.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
Embodiment one
A kind of leveling unit of cast-in-situ box girder as shown in Figure 1 to Figure 3, including slide plate and levelling crossbeam 14, slide plate
Slide plate 2 is corrected including concrete leveling slide plate 1 and reinforcing bar top surface, concrete leveling slide plate 1 and the correction of reinforcing bar top surface are slided
The side wall both ends of rail plate 2 are opened up there are two threaded hole, and concrete leveling slide plate 1 and reinforcing bar top surface correction slide plate 2 pass through
Threaded hole is threaded with screw rod 13, and each screw rod 13 is threadedly coupled there are four fastening bolt, and four fastening bolts are located at
The upper and lower ends of concrete leveling slide plate 1 and reinforcing bar top surface correction slide plate 2, the bottom end of screw rod 13 are fixedly connected with that there are two pre-
Bury reinforced bar sleeve 9；1 surface of concrete leveling slide plate offers concrete leveling sliding slot 3, the both ends of concrete leveling sliding slot 3
It is equipped with concrete leveling sliding slot bayonet 5,1 surface of concrete leveling slide plate is located at the top of concrete leveling sliding slot bayonet 5
Place offers concrete leveling beam insert port 6, and concrete leveling beam insert port 6 is connected with concrete leveling beam sliding slot bayonet 5；Steel
Top rib face correction 2 surface of slide plate offers reinforcing bar top surface correction sliding slot 4, and the both ends of reinforcing bar top surface correction sliding slot 4 are equipped with steel
Top rib face leveling beam sliding slot bayonet 7, reinforcing bar top surface correction 2 surface of slide plate are located at the upper of reinforcing bar top surface leveling beam sliding slot bayonet 7
Square place offers reinforcing bar top surface leveling beam insert port 8, reinforcing bar top surface leveling beam insert port 8 and reinforcing bar top surface leveling beam sliding slot bayonet
7 are connected；The both ends of levelling crossbeam 14 are fixedly connected to card column 10, and the outside end surfaces of card column 10 are fixedly connected with card cap 11,
Levelling crossbeam 14 is corrected sliding slot 4 and is slidably connected by card column 10 and concrete leveling sliding slot 3, reinforcing bar top surface.
Wherein, the diameter of levelling crossbeam 14 is greater than concrete leveling sliding slot 3 and reinforcing bar top surface corrects sliding slot 4；Card cap 11
Diameter is less than the diameter of concrete leveling beam insert port 6 and reinforcing bar top surface leveling beam insert port 8, and the diameter of card cap 11 is greater than greatly
Sliding slot 4 is corrected in concrete leveling sliding slot 3 and reinforcing bar top surface, the material of slide plate is steel plate, concrete leveling slide plate 1 and steel
The size that top rib face corrects slide plate 2 is identical.
A kind of construction method of the leveling unit of cast-in-situ box girder, specifically includes the following steps:
Step 1 finishes the reinforcing bar binding of Cast-in-situ Beam top plate；
Step 2, each longitudinal direction in middle position of longitudinal terminal surface at the left width of the longitudinal direction Liang Chu section, the outer side edges of right width and beam
Three embedded bar 12 is set, and the quantity of per pass embedded bar 12 is greater than 2, and embedded bar 12 is spaced set, pre-buried
Reinforcing bar 12 needs accurate settingout to determine the elevation of top surface of embedded bar 12 before installing, while determining horizontal slope according to cross-section of bridge,
So that it is determined that the pre-buried height of reinforcing bar is equal with bridge floor reinforcing bar top surface；
Step 3 makes concrete leveling slide plate 1 using steel plate and reinforcing bar top surface corrects slide plate 2, and in concrete
Levelling slide plate 1 and reinforcing bar top surface correction 2 surface of slide plate are parallel to each other and the identical sliding slot of size together with opening up respectively, respectively
Sliding slot 4 is corrected for concrete leveling sliding slot 3 and reinforcing bar top surface, opens up concrete above the two side ends of concrete leveling sliding slot 3
Leveling beam insert port 6 connect it with the concrete leveling sliding slot bayonet 5 of 3 two side ends of concrete leveling sliding slot, in reinforcing bar top surface
It corrects and opens up reinforcing bar top surface leveling beam insert port 8 above the two side ends of sliding slot 4, make the two sides of itself and reinforcing bar top surface correction sliding slot 4
The reinforcing bar top surface leveling beam sliding slot bayonet 7 at end connects；2 side wall of slide plate is corrected in concrete leveling slide plate 1 and reinforcing bar top surface
Both ends open up threaded hole, in threaded hole internal screw thread connecting screw 13, and fastening nut fixing concrete are arranged on screw rod 13 and looks for
Flat slide plate 1 and reinforcing bar top surface correct slide plate 2, weld embedded bar sleeve 9, embedded bar set in the rear surface of screw rod 13
The specification and embedded bar of cylinder 9 are mating；
Step 4 makes levelling crossbeam 14, welds card column 10 in the two side ends of levelling crossbeam 14, and in the side of card column 10
Weld card cap 11；
Step 5 is socketed by burying reinforced bar sleeve 9 and embedded bar 12, slide plate is mounted on to the side edge of beam piece, and
The height of concrete leveling slide plate 1 and reinforcing bar top surface correction slide plate 2 on screw rod 13 is controlled according to designed elevation, then will be looked for
Flat crossbeam 14 is inserted into reinforcing bar top surface by reinforcing bar top surface leveling beam insert port 8 and corrects sliding slot 4, makes levelling crossbeam along reinforcing bar top surface
Correction sliding slot 4 moves in parallel at beam on piece end, carries out calibration to the arrangement top surface absolute altitude of beam piece reinforcing bar, after the completion of correction, will look for
Flat crossbeam 14 is inserted into concrete leveling sliding slot 3 by concrete leveling beam insert port 6, determines beam piece surface concrete absolute altitude, pours
Concrete is built, while moves in parallel levelling crossbeam at beam on piece end along concrete leveling sliding slot 3, to beam piece surface concrete
It carries out levelling；
Step 6, after the completion of levelling operation, disassembly sliding track plate and levelling crossbeam 14.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The above is made skilled artisans appreciate that or realizing this hair in specific embodiment party of the invention
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of leveling unit of cast-in-situ box girder, which is characterized in that including slide plate and levelling crossbeam (14), the slide plate packet
Include concrete leveling slide plate (1) and reinforcing bar top surface correction slide plate (2), the concrete leveling slide plate (1) and reinforcing bar top
The side wall both ends of face correction slide plate (2) are opened up there are two threaded hole, the concrete leveling slide plate (1) and reinforcing bar top surface
Correction slide plate (2) be threaded with screw rod (13) by threaded hole, each screw rod (13) is threadedly coupled there are four fasten
Bolt, four fastening bolts are located at concrete leveling slide plate (1) and reinforcing bar top surface corrects the upper and lower of slide plate (2)
Both ends, the bottom end of the screw rod (13) are fixedly connected there are two embedded bar sleeve (9)；The concrete leveling slide plate (1)
Surface offers concrete leveling sliding slot (3), and the both ends of the concrete leveling sliding slot (3) are equipped with concrete leveling sliding slot card
Mouth (5), concrete leveling slide plate (1) surface, which is located at the top of concrete leveling sliding slot bayonet (5), offers coagulation
Native leveling beam insert port (6), the concrete leveling beam insert port (6) are connected with concrete leveling beam sliding slot bayonet (5)；It is described
Reinforcing bar top surface correction slide plate (2) surface offers reinforcing bar top surface correction sliding slot (4), reinforcing bar top surface correction sliding slot (4)
Both ends are equipped with reinforcing bar top surface leveling beam sliding slot bayonet (7), and reinforcing bar top surface correction slide plate (2) surface is located at reinforcing bar top surface
Reinforcing bar top surface leveling beam insert port (8), the insertion of reinforcing bar top surface leveling beam are offered at the top of leveling beam sliding slot bayonet (7)
Mouth (8) is connected with reinforcing bar top surface leveling beam sliding slot bayonet (7)；The both ends of the levelling crossbeam (14) are fixedly connected to card column
(10), the outside end surfaces of the card column (10) are fixedly connected with card cap (11), and the levelling crossbeam (14) passes through card column (10)
It is slidably connected with concrete leveling sliding slot (3), reinforcing bar top surface correction sliding slot (4).
2. a kind of leveling unit of cast-in-situ box girder according to claim 1, which is characterized in that the levelling crossbeam (14)
Diameter is greater than concrete leveling sliding slot (3) and reinforcing bar top surface correction sliding slot (4)；The diameter of the card cap (11) is looked for less than concrete
The diameter of flat-topped ridge insert port (6) and reinforcing bar top surface leveling beam insert port (8), and the diameter of the card cap (11) is greater than coagulation
The levelling sliding slot (3) of soil and reinforcing bar top surface correction sliding slot (4).
3. a kind of leveling unit of cast-in-situ box girder according to claim 1, which is characterized in that the material of the slide plate is
Steel plate, the concrete leveling slide plate (1) are identical with the reinforcing bar top surface correction size of slide plate (2).
4. according to claim 1 to a kind of construction method of the leveling unit of cast-in-situ box girder described in 3 any one, feature exists
In, specifically includes the following steps:
Step 1 finishes the reinforcing bar binding of Cast-in-situ Beam top plate；
Step 2, the middle position of longitudinal terminal surface is each longitudinally disposed at the left width of the longitudinal direction Liang Chu section, the outer side edges of right width and beam
Three embedded bar (12)；
Step 3, using steel plate production concrete leveling slide plate (1) and reinforcing bar top surface correction slide plate (2), and in concrete
Levelling slide plate (1) and reinforcing bar top surface correction slide plate (2) surface open up be parallel to each other together and the identical sliding slot of size respectively,
Respectively concrete leveling sliding slot (3) and reinforcing bar top surface correction sliding slot (4), above the two side ends of concrete leveling sliding slot (3)
Concrete leveling beam insert port (6) is opened up, the concrete leveling sliding slot bayonet of itself and concrete leveling sliding slot (3) two side ends is made
(5) it connects, opens up reinforcing bar top surface leveling beam insert port (8) above the two side ends of reinforcing bar top surface correction sliding slot (4), make itself and steel
Top rib face corrects reinforcing bar top surface leveling beam sliding slot bayonet (7) connection of the two side ends of sliding slot (4)；In concrete leveling slide plate
(1) and reinforcing bar top surface correction slide plate (2) side wall both ends open up threaded hole, in threaded hole internal screw thread connecting screw (13), and
The levelling slide plate of fastening nut fixing concrete (1) and reinforcing bar top surface correction slide plate (2) are set on screw rod (13), in screw rod
(13) rear surface welds embedded bar sleeve (9), and the specification and embedded bar of embedded bar sleeve (9) are mating；
Step 4 makes levelling crossbeam (14), welds card column (10) in the two side ends of levelling crossbeam (14), and in card column (10)
Weld card cap (11) in side；
Step 5 is socketed by burying reinforced bar sleeve (9) and embedded bar (12), slide plate is mounted on to the side edge of beam piece, and
The height of concrete leveling slide plate (1) and reinforcing bar top surface correction slide plate (2) on screw rod (13) is controlled according to designed elevation,
Levelling crossbeam (14) are inserted into reinforcing bar top surface correction sliding slot (4) by reinforcing bar top surface leveling beam insert port (8) again, make levelling crossbeam
It is moved in parallel along reinforcing bar top surface correction sliding slot (4) at beam on piece end, calibration, school is carried out to the arrangement top surface absolute altitude of beam piece reinforcing bar
After the completion of just, by levelling crossbeam (14) by concrete leveling beam insert port (6) insertion concrete leveling sliding slot (3), beam is determined
Piece surface concrete absolute altitude, casting concrete, while levelling crossbeam being made to hold row level with both hands in beam on piece along concrete leveling sliding slot (3)
It is mobile, beam piece surface concrete is carried out levelling；
Step 6, after the completion of levelling operation, disassembly sliding track plate and levelling crossbeam (14).
5. a kind of construction method of the leveling unit of cast-in-situ box girder according to claim 4, which is characterized in that in step 2
In, the quantity of per pass embedded bar (12) is greater than 2, and embedded bar (12) is spaced set.
6. a kind of construction method of the leveling unit of cast-in-situ box girder according to claim 4, which is characterized in that in step 2
In, need accurate settingout to determine the elevation of top surface of embedded bar (12) before embedded bar (12) installation, while cross-section according to bridge
Face determines horizontal slope, so that it is determined that the pre-buried height of reinforcing bar is equal with bridge floor reinforcing bar top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313370.5A CN109338887B (en) | 2018-11-06 | 2018-11-06 | Leveling device for cast-in-place box girder and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313370.5A CN109338887B (en) | 2018-11-06 | 2018-11-06 | Leveling device for cast-in-place box girder and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109338887A true CN109338887A (en) | 2019-02-15 |
| CN109338887B CN109338887B (en) | 2020-08-21 |
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ID=65313616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313370.5A Active CN109338887B (en) | 2018-11-06 | 2018-11-06 | Leveling device for cast-in-place box girder and construction method |
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| Country | Link |
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| CN (1) | CN109338887B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424636A (en) * | 2019-07-29 | 2019-11-08 | 中国十七冶集团有限公司 | Assembled architecture conversion layer reserves casing joint bar positioning device and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201103243Y (en) * | 2007-10-26 | 2008-08-20 | 长业建设集团有限公司 | Leveling device for plane pouring |
| CN103184796A (en) * | 2013-03-19 | 2013-07-03 | 中国建筑土木建设有限公司 | Accurate leveling device for cast-in-situ concrete flooring formed in one step and construction method |
| CN203669381U (en) * | 2013-12-27 | 2014-06-25 | 深圳市耐摩特地坪技术有限公司 | Leveling device for casting concrete |
| CN203905503U (en) * | 2014-06-17 | 2014-10-29 | 中石化第十建设有限公司 | Upper surface leveling device for large-area and large-section steel reinforced concrete pouring construction |
-
2018
- 2018-11-06 CN CN201811313370.5A patent/CN109338887B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201103243Y (en) * | 2007-10-26 | 2008-08-20 | 长业建设集团有限公司 | Leveling device for plane pouring |
| CN103184796A (en) * | 2013-03-19 | 2013-07-03 | 中国建筑土木建设有限公司 | Accurate leveling device for cast-in-situ concrete flooring formed in one step and construction method |
| CN203669381U (en) * | 2013-12-27 | 2014-06-25 | 深圳市耐摩特地坪技术有限公司 | Leveling device for casting concrete |
| CN203905503U (en) * | 2014-06-17 | 2014-10-29 | 中石化第十建设有限公司 | Upper surface leveling device for large-area and large-section steel reinforced concrete pouring construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424636A (en) * | 2019-07-29 | 2019-11-08 | 中国十七冶集团有限公司 | Assembled architecture conversion layer reserves casing joint bar positioning device and construction method |
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| Publication number | Publication date |
|---|---|
| CN109338887B (en) | 2020-08-21 |
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