CN113502736A - Bridge expansion joint device and installation method thereof - Google Patents
Bridge expansion joint device and installation method thereof Download PDFInfo
- Publication number
- CN113502736A CN113502736A CN202110665078.5A CN202110665078A CN113502736A CN 113502736 A CN113502736 A CN 113502736A CN 202110665078 A CN202110665078 A CN 202110665078A CN 113502736 A CN113502736 A CN 113502736A
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- Prior art keywords
- expansion joint
- installation
- connecting piece
- fishback
- preformed hole
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
-
- 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
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model provides a bridge expansion joint device and installation method, bridge expansion joint device includes first fishback and second fishback, all reserve the installation notch at first roof beam tip and second roof beam tip, be equipped with vertical arrangement's preformed hole on the roof beam body of installation notch below, install the connecting piece in the preformed hole, the connecting piece lower extreme is fixed in corresponding the preformed hole, first fishback and second fishback are installed in the upper end that corresponds the connecting piece, and, the leveling layer has all been pour at the bottom of every installation notch, first fishback and second fishback are located the top that corresponds the leveling layer. This bridge expansion joint device need not prefabricated bracket, adopts anti-skidding bolt assembly fixed, and bridge structures manufacturer need not to reserve great notch, and before the expansion joint installation, install anti-skidding bolt in reserving hole site department, adjust suitable height and position, pour for the first time, treat the bolt fastening back, carry out the installation at pivot support, expansion joint, and concrete placement area is little, and the maintenance cycle is shorter, can realize quick installation.
Description
Technical Field
The present invention relates to bridge expansion joints, and more particularly to a bridge expansion joint and a method for installing the same.
Background
The bridge expansion device is to meet the requirement of bridge deck deformation, and the expansion device is usually arranged between two beam ends, between the beam end and a bridge abutment or at the hinged position of a bridge. The bridge expansion device is an important component of a bridge, and the performance of the expansion device directly influences the driving safety and the smoothness of a bridge road. The installation of the conventional expansion joint is that a larger notch is reserved by a bridge structure manufacturer, and the expansion joint is installed at the notch. The fixed bracket that relies on the bottom of expansion joint, the bracket need prefabricate in advance, and the cost of manufacture is high, and production cycle is long, adopts the mode of prefabricated bracket, pours after the expansion joint has been installed to the notch of reserving, and concrete placement maintenance cycle is longer, consequently adopts the mode installation expansion joint of bracket, can't realize the target of quick installation and quick traffic.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a bridge expansion joint device which can be installed quickly and has a short maintenance period, in view of the above current state of the prior art.
The second technical problem to be solved by the present invention is to provide a method for installing a bridge expansion joint device, which can be installed quickly and has a short maintenance period, in view of the above-mentioned current state of the art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: this bridge expansion joint device, including installing at the first fishback of first beam end portion and installing at the second fishback of second beam end portion, its characterized in that: first beam-ends portion and second beam-ends portion all reserve there is the installation notch be equipped with vertical arrangement's preformed hole on the roof beam body of installation notch below, the preformed hole opening in the installation notch the connecting piece is installed to the preformed hole in, the lower extreme of connecting piece is fixed in the preformed hole that corresponds, first fishback and second fishback are installed in the upper end that corresponds the connecting piece, and, at every leveling layer has all been pour to the bottom of installation notch, first fishback and second fishback locate the top that corresponds leveling layer.
Preferably, the preformed hole that the installation notch of first beam-ends portion and second beam-ends portion corresponds all includes inboard preformed hole and outside preformed hole, inboard preformed hole and outside preformed hole all along bridge width direction interval distribution, correspondingly, the connecting piece is including installing the inboard connecting piece in inboard preformed hole and installing the outside connecting piece in the outside preformed hole.
In order to make the expansion joint device have the longitudinal corner function, be located the mounting groove mouth of first roof beam tip and be equipped with the pivot support, the pivot support is located the top that corresponds the leveling layer and installs on the outside connecting piece that corresponds, first fishback is for striding the seam board, the root of first fishback rotates to be connected on the pivot support.
In order to ensure the installation levelness of the first comb plate, a fine adjustment nut used for adjusting the height of the rotating shaft support is installed on the outer side connecting piece of the end part of the first beam, and the fine adjustment nut is located at the bottom of the rotating shaft support.
Preferably, a filling fixing layer is further poured between the leveling layer at the end part of the first beam and the first comb plate, and a cushion pad is clamped between the filling fixing layer and the bottom surface of the first comb plate. The filling and fixing layer plays a role in leveling and fixing, and the cushion pad plays a role in buffering and reducing noise.
In order to reduce noise, a sliding plate is arranged on the upper surface of the leveling layer at the end part of the second beam, and the second comb plate is a fixing plate arranged above the sliding plate.
The connecting member may have various structures, and preferably, the connecting member is an anti-slip bolt.
Further preferably, the anti-skid bolt is a slotted stud or a shear pin.
The leveling layer can be made of various materials, and preferably, the leveling layer is made of epoxy mortar or UHPC ultrahigh-performance concrete or polyurethane concrete.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the bridge expansion joint device comprises the following installation steps:
s1, reserving corresponding mounting notches at the end part of the first beam and the end part of the second beam, and reserving corresponding reserved holes at the mounting notches;
s2, planting a connecting piece in each preformed hole, adjusting the connecting piece to a proper height and position, and pouring the connecting pieces in the corresponding preformed holes;
s3, pouring a leveling layer in the mounting groove opening;
s4, mounting the rotating shaft support on an outer side connecting column in a mounting groove opening at the end part of a first beam, finely adjusting the height of the rotating shaft support through a fine adjustment nut, mounting a cushion pad on a leveling layer of the mounting groove opening at the end part of the first beam, and mounting a sliding plate on a leveling layer of a mounting groove opening at the end part of a second beam;
s5, the first comb plate is placed on the buffer pad and is connected and fixed at the end part of the first beam through the connecting piece, the root of the first comb plate is rotatably connected with the rotating shaft support, and the second comb plate is placed on the sliding plate and is connected and fixed at the end part of the second beam through the connecting piece.
Compared with the prior art, the invention has the advantages that: this bridge expansion joint device need not prefabricated bracket, it is fixed to adopt anti-skidding bolt subassembly, bridge structures manufacture factory need not to reserve great notch, before the expansion joint installation, install anti-skidding bolt in reserving hole site department, adjust suitable height and position, pour for the first time, treat the bolt fastening back, carry out the pivot support, the installation of expansion joint, the bottom at expansion joint adopts quick concrete such as epoxy mortar to carry out height control, because of concrete placement's area is less, consequently, the maintenance cycle is shorter, can realize quick installation, the target of quick traffic.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a beam end portion of a reserved mounting slot and a reserved hole according to an embodiment of the invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic structural view of the embodiment of the invention after the anti-skid bolts are planted in the reserved holes;
FIG. 5 is a schematic structural view after a leveling layer is poured on the foundation of FIG. 4;
FIG. 6 is a schematic structural view of the rotary shaft support and the sliding plate installed on the basis of FIG. 5;
fig. 7 is a top view of the expansion joint device according to the embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 7, the direction indicated by arrow a in fig. 1 is the outer side of the expansion joint device, the expansion joint device includes a first comb plate 1 installed at a first beam end portion 11 and a second comb plate 2 installed at a second beam end portion 12, both the first beam end portion 11 and the second beam end portion 12 are reserved with installation notches 13, a beam body below the installation notches 13 at both sides is provided with a reserved hole 14 which is vertically arranged, the top of the reserved hole 14 is opened in the installation notches 13, a connecting member 3 is installed in the reserved hole 14, concrete is poured into the reserved hole 14, and the connecting member 3 is fixed.
In this embodiment, the prepared holes 14 corresponding to the two side installation notches 13 each include an inner prepared hole 141 and an outer prepared hole 142, the inner prepared hole 141 and the outer prepared hole 142 are both distributed at intervals along the width direction of the bridge, correspondingly, the connecting member 3 includes an inner connecting member 31 and an outer connecting member 32, the inner connecting member 31 is installed in the inner prepared hole 141, and the outer connecting member 32 is installed in the outer prepared hole 142. The inner connecting piece 31 and the outer connecting piece 32 both adopt anti-skid bolts, and the anti-skid bolts can adopt grooved studs or shear nails.
Leveling layers 4 are poured at the bottoms of the mounting notches 13 on the two sides, and the leveling layers 4 can be made of epoxy mortar, UHPC (ultra high performance concrete) or polyurethane concrete so as to shorten the curing period. The leveling layer 4 can further fix the connecting piece 3 besides adjusting the height. Of course, the leveling layer 4 is not limited to the above-described materials.
Be located and be equipped with pivot support 5 in the installation notch 13 of first roof beam tip 11, pivot support 5 is located the top that corresponds leveling layer 4 and installs on the outside connecting piece 32 that corresponds, installs fine setting nut 6 on the outside connecting piece 32 of first roof beam tip 11, and fine setting nut 6 is located the bottom of pivot support 5, can adjust the high position of pivot support 5 through fine setting nut 6 to the installation levelness of adjustment first fishback 1. Pour packing fixed bed 7 above leveling layer 4 of first roof beam tip 11, first fishback 1 locate pack fixed bed 7 the top and with pack between the fixed bed 7 and press from both sides and be equipped with blotter 8, blotter 8 can play the buffering, fall the effect of making an uproar, connect first fishback 1 through corresponding inboard connecting piece 31 and outside connecting piece 32 and fix at first roof beam tip 11 to, also install fine setting bolt 6 on inboard connecting piece 32. In this embodiment, first fishback 1 is for striding the seam board, and the root of first fishback 1 rotates to be connected on pivot support 5 to make the expansion joint device have vertical corner function.
Install the shifting board 9 in the top of the leveling layer 4 of second beam-ends portion 12, in this embodiment, the fixed plate on the shifting board 9 is located to second fishback 2, and second fishback 2 is connected through corresponding inboard connecting piece 31 and outside connecting piece 32 and is fixed at second beam-ends portion 12 to, also all install fine setting bolt 6 on the inboard connecting piece 31 and the outside connecting piece 32 of second beam-ends portion 12.
The installation steps of the bridge expansion joint device of the embodiment are as follows:
s1, reserving corresponding mounting notches 13 at the first beam end part 11 and the second beam end part 12, and reserving corresponding reserved holes 14 at the mounting notches 13;
s2, planting the connecting piece 3 in each prepared hole 14, adjusting the connecting piece 3 to a proper height and position, and pouring the connecting piece 3 into the corresponding prepared hole 14;
s3, casting the leveling layer 4 in the mounting notch 13;
s4, mounting the rotating shaft support 5 on the outer side connecting column 32 in the mounting notch 13 of the first beam end part 11, carrying out height fine adjustment on the rotating shaft support 5 through the fine adjustment nut 6, mounting a cushion pad 8 on the leveling layer 4 of the mounting notch of the first beam end part 11, and mounting a sliding plate 9 on the leveling layer 4 of the mounting notch of the second beam end part 12;
s5, the first comb plate 1 is placed on the cushion pad 8 and is connected and fixed at the first beam end part 11 through the connecting piece 3, the root of the first comb plate 1 is rotatably connected with the rotating shaft support 5, and the second comb plate 2 is placed on the sliding plate 9 and is connected and fixed at the second beam end part 12 through the connecting piece 3.
Claims (10)
1. The utility model provides a bridge expansion joint device, is including installing first fishback (1) at first beam end portion (11) and installing second fishback (2) at second beam end portion (12), its characterized in that: first beam end portion (11) and second beam end portion (12) all reserve and have installation notch (13) be equipped with vertical arrangement's preformed hole (14) on the roof beam body of installation notch (13) below, preformed hole (14) opening in installation notch (13) install connecting piece (3) in preformed hole (14), the lower extreme of connecting piece (3) is fixed in corresponding preformed hole (14), install in the upper end that corresponds connecting piece (3) first fishback (1) and second fishback (2), and, at every leveling layer (4) have all been pour to the bottom of installation notch (13), the top that corresponds leveling layer (4) is located to first fishback (1) and second fishback (2).
2. The bridge expansion joint installation of claim 1, wherein: preformed hole (14) that first beam-ends portion (11) and second beam-ends portion (12)'s installation notch (13) correspond all include inboard preformed hole (141) and outside preformed hole (142), inboard preformed hole (141) and outside preformed hole (142) all along bridge width direction interval distribution, correspondingly, connecting piece (3) are including installing inboard connecting piece (31) of inboard preformed hole (141) and installing outside connecting piece (32) in outside preformed hole (142).
3. The bridge expansion joint installation of claim 2, wherein: be equipped with pivot support (5) in installation notch (13) that are located first roof beam tip (11), pivot support (5) are located the top that corresponds leveling layer (4) and install on corresponding outside connecting piece (32), first fishback (1) is for striding the seam board, the root of first fishback (1) rotates to be connected on pivot support (5).
4. The bridge expansion joint installation of claim 3, wherein: and a fine adjustment nut (6) for adjusting the height of the rotating shaft support (5) is arranged on an outer side connecting piece (32) of the first beam end part (11), and the fine adjustment nut (6) is positioned at the bottom of the rotating shaft support (5).
5. The bridge expansion joint installation of claim 4, wherein: a filling fixing layer (7) is further poured between the leveling layer (4) of the first beam end portion (11) and the first comb plate (1), and a cushion pad (8) is clamped between the filling fixing layer (7) and the bottom face of the first comb plate (1).
6. The bridge expansion joint installation of claim 5, wherein: the upper surface of the leveling layer (4) of the second beam end portion (12) is provided with a sliding plate (9), and the second comb plate (2) is a fixing plate arranged above the sliding plate (9).
7. The bridge expansion joint installation of claim 1, wherein: the connecting piece (3) is an anti-slip bolt.
8. The bridge expansion joint installation of claim 7, wherein: the anti-skid bolts are grooved studs or shear nails.
9. The bridge expansion joint installation of claim 1, wherein: the leveling layer (4) is made of epoxy mortar or UHPC ultrahigh-performance concrete or polyurethane concrete.
10. A method of installing a bridge expansion joint assembly according to claim 6, including the steps of:
s1, reserving corresponding mounting notches (13) at the first beam end part (11) and the second beam end part (12), and reserving corresponding reserved holes (14) at the mounting notches (13);
s2, planting connecting pieces (3) in each prepared hole (14), adjusting the connecting pieces (3) to proper heights and positions and pouring the connecting pieces into the corresponding prepared holes (14);
s3, casting a leveling layer (4) in the mounting notch (13);
s4, installing the rotating shaft support (5) on an outer side connecting column (32) in an installation notch (13) of the first beam end part (11), carrying out height fine adjustment on the rotating shaft support (5) through a fine adjustment nut (6), installing a buffer cushion (8) on a leveling layer (4) of the installation notch of the first beam end part (11), and installing a sliding plate (9) on the leveling layer (4) of the installation notch of the second beam end part (12);
s5, the first comb plate (1) is placed on the cushion pad (8) and is connected and fixed to the first beam end portion (11) through the connecting piece (3), the root of the first comb plate (1) is rotatably connected with the rotating shaft support (5), and the second comb plate (2) is placed on the sliding plate (9) and is connected and fixed to the second beam end portion (12) through the connecting piece (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665078.5A CN113502736A (en) | 2021-06-16 | 2021-06-16 | Bridge expansion joint device and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110665078.5A CN113502736A (en) | 2021-06-16 | 2021-06-16 | Bridge expansion joint device and installation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113502736A true CN113502736A (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110665078.5A Pending CN113502736A (en) | 2021-06-16 | 2021-06-16 | Bridge expansion joint device and installation method thereof |
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| CN (1) | CN113502736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418939A (en) * | 2022-09-05 | 2022-12-02 | 天津交科新材料有限公司 | Unit type prefabricated fast-assembling bridge expansion device and construction method |
| WO2023246518A1 (en) * | 2022-06-23 | 2023-12-28 | 宁波路宝科技实业集团有限公司 | Bridge expansion and retraction apparatus, and installation method thereof |
-
2021
- 2021-06-16 CN CN202110665078.5A patent/CN113502736A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023246518A1 (en) * | 2022-06-23 | 2023-12-28 | 宁波路宝科技实业集团有限公司 | Bridge expansion and retraction apparatus, and installation method thereof |
| CN115418939A (en) * | 2022-09-05 | 2022-12-02 | 天津交科新材料有限公司 | Unit type prefabricated fast-assembling bridge expansion device and construction method |
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