CN111335175A - Leveling structure of prefabricated bridge deck and using method thereof - Google Patents
Leveling structure of prefabricated bridge deck and using method thereof Download PDFInfo
- Publication number
- CN111335175A CN111335175A CN202010190808.6A CN202010190808A CN111335175A CN 111335175 A CN111335175 A CN 111335175A CN 202010190808 A CN202010190808 A CN 202010190808A CN 111335175 A CN111335175 A CN 111335175A
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- bridge deck
- prefabricated bridge
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- leveling
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 238000010276 construction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a leveling structure of a prefabricated bridge deck slab and a using method thereof, wherein the leveling structure comprises a steel pipe, a steel plate with holes, a nut, a leveling bolt and a steel plate. A first through hole is formed in the prefabricated bridge deck and is perpendicular to the plate surface of the prefabricated bridge deck, and a steel pipe is arranged in the first through hole; the steel plate with the holes is provided with second through holes, the steel plate with the holes is welded on the transverse steel bars in the prefabricated bridge deck slab, and the second through holes are positioned right below the first through holes; the nut is welded on the steel plate with the hole and is coaxial with the first through hole; the small-diameter end of the leveling bolt downwards penetrates through the steel pipe and is in threaded connection with the nut, and the large-diameter end of the leveling bolt is positioned above the steel pipe; the small diameter end of the leveling bolt is abutted against the steel plate. Compared with the prior art, the method can realize the adjustment of the gradient of the prefabricated bridge deck slab, solves the difficulty of gradient control in the installation process of the prefabricated bridge deck slab, can conveniently and quickly adjust the gradient of the prefabricated bridge deck slab, and has the characteristics of convenience, quickness and accuracy.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a leveling structure of a prefabricated bridge deck and a using method thereof.
Background
The prefabricated bridge deck has many advantages, such as economical efficiency, construction ability and construction period, and one of the most important advantages is that the dry shrinkage and temperature change of concrete are completed when the bridge deck is erected, and the tensile stress generated by the dry shrinkage and temperature change is not generated. The prefabricated bridge deck has the advantages of high construction speed, good quality, less damage in use, reduced maintenance cost and prolonged service life. The continuous application of the prefabricated bridge deck assembly technology can promote the prefabrication of bridge components to realize factory production and standardization. Therefore, the application range of the prefabricated bridge deck is gradually expanded to the field of newly-built bridges.
In the installation process of the prefabricated bridge deck, after the bridge deck is hoisted to a set position, the leveling of the bridge deck is a key link. The existing prefabricated bridge deck does not have the gradient adjusting function, so that the prefabricated bridge deck cannot be leveled quickly and accurately, and the complexity of the field operation process of the prefabricated bridge deck and the installation period are increased.
Disclosure of Invention
The invention aims to provide a leveling structure of a prefabricated bridge deck and a using method thereof, which are used for realizing the quick and accurate leveling of the prefabricated bridge deck and shortening the installation period of the prefabricated bridge deck.
In order to achieve the purpose, the invention provides the following scheme:
the invention discloses a leveling structure of a prefabricated bridge deck, which comprises:
the prefabricated bridge deck comprises a steel pipe, wherein a first through hole is formed in a prefabricated bridge deck and is perpendicular to the deck surface of the prefabricated bridge deck, and the steel pipe is arranged in the first through hole;
the prefabricated bridge deck comprises a first through hole, a second through hole, a first steel bar, a second steel bar, a third steel bar, a fourth steel bar;
the nut is welded on the steel plate with the hole and is coaxial with the first through hole;
the small-diameter end of the leveling bolt downwards penetrates through the steel pipe and is in threaded connection with the nut, and the large-diameter end of the leveling bolt is positioned above the steel pipe;
the steel sheet, the steel sheet is used for placing on the pier, leveling bolt's path end with the steel sheet offsets.
Preferably, the upper end of the first through hole is a taper hole.
Preferably, a plurality of first through holes are formed in a single prefabricated bridge deck, and each first through hole corresponds to one steel pipe, one steel plate with holes, one nut, one leveling bolt and one steel plate.
The invention also discloses a using method of the leveling structure of the prefabricated bridge deck slab, which comprises the following steps:
s1, selecting the size and the number of leveling bolts according to the installation information of the prefabricated bridge deck;
s2, finishing the pre-embedding of the leveling structure and the pouring and maintenance of the prefabricated bridge deck;
s3, hoisting the prefabricated bridge deck in place on a construction site, and adjusting the gradient of the prefabricated bridge deck by rotating a plurality of leveling bolts in the prefabricated bridge deck;
and S4, pouring concrete at the positions of the wet joints and the shear grooves of the two adjacent prefabricated bridge deck boards.
Compared with the prior art, the invention has the following technical effects:
according to the leveling structure, the height of the prefabricated bridge deck at the position corresponding to the leveling bolt is adjusted by rotating the leveling bolt, the adjustment of the gradient of the prefabricated bridge deck is realized by combining a plurality of leveling structures, the gradient control difficulty in the installation process of the prefabricated bridge deck is solved, the gradient of the prefabricated bridge deck can be conveniently and quickly adjusted, and the leveling structure has the characteristics of convenience, rapidness and accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a leveling structure of a prefabricated bridge deck according to the present embodiment;
FIG. 2 is a schematic view of a combination of leveling structures for a plurality of prefabricated bridge decks;
FIG. 3 is a schematic view of a general structure of a single prefabricated bridge deck in this embodiment;
description of reference numerals: 1, leveling bolts; 2, a screw cap; 3, a steel plate with holes; 4, steel plates; 5, steel pipes; 6, transverse reinforcing steel bars; 7, bridge piers; 8, prefabricating a bridge deck; 9 first through holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a leveling structure of a prefabricated bridge deck and a using method thereof, which are used for realizing the quick and accurate leveling of the prefabricated bridge deck and shortening the installation period of the prefabricated bridge deck.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 3, the present embodiment provides a leveling structure of a prefabricated bridge deck, which includes leveling bolts 1, nuts 2, a steel plate with holes 3, a steel plate 4 and a steel pipe 5.
Wherein, be equipped with first through-hole 9 in the prefabricated decking 8, first through-hole 9 perpendicular to prefabricated decking 8's face, steel pipe 5 sets up in first through-hole 9. The steel plate with holes 3 is provided with a second through hole, the steel plate with holes 3 is welded on the transverse steel bar 6 in the prefabricated bridge deck slab 8 (the transverse steel bar 6 is a steel bar vertical to the axis of the main beam), and the second through hole is positioned under the first through hole 9, namely the first through hole 9 is coaxial with the second through hole. The nut 2 is welded on the steel plate 3 with the hole, and the nut 2 is coaxial with the first through hole 9. The small-diameter end of the leveling bolt 1 downwards penetrates through the steel pipe 5 and is in threaded connection with the nut 2, and the large-diameter end of the leveling bolt 1 is located above the steel pipe 5. The steel pipe 5 plays a role in guiding and protecting the leveling bolt 1, the steel pipe 5 can be fixed in the first through hole 9, and can also be supported by the steel plate with holes 3 and movably arranged in the first through hole 9 as long as the rotation of the leveling bolt 1 is not influenced. The steel plate 4 is placed on the pier 7 and supported by the pier 7. The small-diameter end of the leveling bolt 1 abuts against the steel plate 4, so that the phenomenon that the pier 7 is crushed due to the fact that the leveling bolt 1 is directly contacted with the pier 7 is avoided.
In this embodiment, the upper end of the first through hole 9 is a taper hole, so that the leveling bolt 1 can be guided when the small-diameter end of the leveling bolt 1 is inserted into the steel pipe 5, and the large-diameter end of the leveling bolt 1 can sink into the taper hole, so that the length of the leveling bolt 1 can be appropriately shortened.
In this embodiment, a plurality of first through holes 9 are formed in a single prefabricated bridge deck 8, and each first through hole 9 corresponds to one steel pipe 5, one steel plate 3 with holes, one nut 2, one leveling bolt 1 and one steel plate 4. The adjustment of the gradient of the prefabricated bridge deck 8 is realized by the combined use of a plurality of leveling structures.
The embodiment also provides a use method of the leveling structure of the prefabricated bridge deck 8, which comprises the following steps:
s1, selecting the size and the number of the leveling bolts 1 according to the installation information of the prefabricated bridge deck 8, and specifically comprising the following steps: calculating the number of the leveling bolts 1 according to the size of the prefabricated bridge deck 8; the length and diameter of the leveling bolt 1 required are calculated from the weight and thickness of the prefabricated deck slab 8.
And S2, finishing the pre-embedding of the leveling structure and the pouring and maintenance of the prefabricated bridge deck 8.
And S3, hoisting the prefabricated bridge deck 8 in place at a construction site, and adjusting the gradient of the prefabricated bridge deck 8 by rotating the leveling bolts 1 in the prefabricated bridge deck 8.
And S4, pouring concrete at the positions of the wet joints and the shear grooves of the two adjacent prefabricated bridge deck boards 8.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (4)
1. A leveling structure of a prefabricated bridge deck, comprising:
the prefabricated bridge deck comprises a steel pipe, wherein a first through hole is formed in a prefabricated bridge deck and is perpendicular to the deck surface of the prefabricated bridge deck, and the steel pipe is arranged in the first through hole;
the prefabricated bridge deck comprises a first through hole, a second through hole, a first steel bar, a second steel bar, a third steel bar, a fourth steel bar;
the nut is welded on the steel plate with the hole and is coaxial with the first through hole;
the small-diameter end of the leveling bolt downwards penetrates through the steel pipe and is in threaded connection with the nut, and the large-diameter end of the leveling bolt is positioned above the steel pipe;
the steel sheet, the steel sheet is used for placing on the pier, leveling bolt's path end with the steel sheet offsets.
2. The leveling structure of the prefabricated bridge deck according to claim 1, wherein the upper end of the first through hole is a tapered hole.
3. The leveling structure of the prefabricated bridge deck according to claim 1, wherein a plurality of first through holes are formed in a single prefabricated bridge deck, and each first through hole corresponds to one steel pipe, one steel plate with holes, one nut, one leveling bolt and one steel plate.
4. A method of using a prefabricated bridge deck leveling structure according to claim 1, comprising the steps of:
s1, selecting the size and the number of leveling bolts according to the installation information of the prefabricated bridge deck;
s2, finishing the pre-embedding of the leveling structure and the pouring and maintenance of the prefabricated bridge deck;
s3, hoisting the prefabricated bridge deck in place on a construction site, and adjusting the gradient of the prefabricated bridge deck by rotating a plurality of leveling bolts in the prefabricated bridge deck;
and S4, pouring concrete at the positions of the wet joints and the shear grooves of the two adjacent prefabricated bridge deck boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010190808.6A CN111335175A (en) | 2020-03-18 | 2020-03-18 | Leveling structure of prefabricated bridge deck and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010190808.6A CN111335175A (en) | 2020-03-18 | 2020-03-18 | Leveling structure of prefabricated bridge deck and using method thereof |
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| Publication Number | Publication Date |
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| CN111335175A true CN111335175A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010190808.6A Pending CN111335175A (en) | 2020-03-18 | 2020-03-18 | Leveling structure of prefabricated bridge deck and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832110A (en) * | 2020-12-31 | 2021-05-25 | 中电建路桥集团有限公司 | Steel-concrete combined bridge structure |
| CN113914639A (en) * | 2021-09-18 | 2022-01-11 | 同济大学建筑设计研究院(集团)有限公司 | Leveling device for prefabricated floor slab |
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| JP2006057256A (en) * | 2004-08-17 | 2006-03-02 | Ps Mitsubishi Construction Co Ltd | CONSTRUCTION METHOD FOR SUPPORT SECTION OF PRECAST (PCa) FLOOR SLAB |
| JP2009114825A (en) * | 2007-11-05 | 2009-05-28 | Takuei:Kk | Gap adjusting method for steel plate for steel plate-lining seismic strengthening |
| JP2014020137A (en) * | 2012-07-19 | 2014-02-03 | Oriental Shiraishi Corp | Precast floor slab and erection method of precast floor slab |
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| CN208586529U (en) * | 2018-07-09 | 2019-03-08 | 保利新联爆破工程集团有限公司 | A kind of gradient precast beam support leveling device |
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-
2020
- 2020-03-18 CN CN202010190808.6A patent/CN111335175A/en active Pending
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| JPH09296415A (en) * | 1996-04-30 | 1997-11-18 | Nippon Samikon Kk | Balustrade for concrete wall and road side wall |
| JP2967876B1 (en) * | 1998-08-01 | 1999-10-25 | 住友建設株式会社 | Method of forming concrete slab and method of constructing upper road suspension bridge |
| JP2000265419A (en) * | 1999-03-18 | 2000-09-26 | Sho Bond Constr Co Ltd | Device and method for reinforcing existing floor slab |
| JP2001107498A (en) * | 1999-10-07 | 2001-04-17 | Tokai Concrete Industries Co Ltd | Precast floor board laying structure and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112832110A (en) * | 2020-12-31 | 2021-05-25 | 中电建路桥集团有限公司 | Steel-concrete combined bridge structure |
| CN113914639A (en) * | 2021-09-18 | 2022-01-11 | 同济大学建筑设计研究院(集团)有限公司 | Leveling device for prefabricated floor slab |
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