CN111719420A - Method for replacing expansion joint device and expansion joint structure - Google Patents
Method for replacing expansion joint device and expansion joint structure Download PDFInfo
- Publication number
- CN111719420A CN111719420A CN202010645604.7A CN202010645604A CN111719420A CN 111719420 A CN111719420 A CN 111719420A CN 202010645604 A CN202010645604 A CN 202010645604A CN 111719420 A CN111719420 A CN 111719420A
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- Prior art keywords
- expansion joint
- joint device
- fixed
- preset
- anchor
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for replacing an expansion joint device and an expansion joint structure, wherein the method comprises the following steps: digging out the front expansion joint device and cleaning an installation groove of the expansion joint device; putting the new expansion joint device and enabling the anchor bars fixed on the side wall of the new expansion joint to correspond to the preset steel bars preset on the roadbed one by one; measuring the horizontal spacing between the anchor bars and the preset steel bars which correspond to each other one by one, and directly welding the anchor bars and the preset steel bars when the horizontal spacing is smaller than or equal to a set value; when the horizontal spacing is larger than a set value, fixing the anchor bars and the preset steel bars through the connecting pieces; backfilling the installation groove of the expansion joint device; connect the great welding anchor muscle of fixed connection distance and preset the reinforcing bar through setting up, avoid adopting to implant again and preset the reinforcing bar, shorten expansion joint device's change cycle greatly, improve work efficiency, simultaneously, guarantee that the shortening expansion joint device after changing is connected firmly with the road bed, guarantee to shorten expansion joint device high efficiency and use.
Description
Technical Field
The invention relates to the field of road expansion joints, in particular to a method for replacing an expansion joint device and an expansion joint structure.
Background
With the continuous progress of society, the continuous enhancement of social environmental protection consciousness and the gradual improvement of industrial standards, the requirements of the traffic industry on road or bridge expansion joints are gradually improved.
There are a great deal of problems in traditional terrace expansion joint, specifically as follows: the joint filling treatment process is simple, has less selectivity and is not suitable for the high standard requirement of the industry. Such as asphalt, modified asphalt or various glues and other fillers, are easily influenced by temperature, have the defects of easy falling, breakage, non-durability, non-compression resistance, poor practicability and the like, and in the using process, the fillers expand with heat and contract with cold and stress circulation along with seasonal temperature circulation can cause the conditions of poor cohesiveness with concrete, large influence of temperature on performance, easy aging, breakage and falling, high failure rate and incapability of effectively preventing rainwater, sundries and pollutants from leaking into the ground, thus seriously perplexing high-quality management; therefore, once the quality of the expansion joint device is found to be reduced, the new expansion joint device is immediately replaced, in the installation process of the new expansion joint device, an anchor bar on the side wall of the expansion joint device and a preset steel bar preset on the end face of a roadbed are required to be welded and fixed, the preset steel bar is generally L-shaped, one end of the anchor bar is fixed on the vertical side face of the non-step at the base end of the roadbed, the other end of the anchor bar is fixed on the horizontal bottom face of the step at the end part of the roadbed, one end of the anchor bar penetrates through the side wall of the expansion joint device and is bent into a square ring to be fixed on an anchor bar mounting plate fixed on the side; after the expansion joint device is used in the former period, part of the preset reinforcing steel bars are subjected to irregular long-term stress and are overturned and deformed, so that when the new expansion joint device is installed again, the anchor bars of the new device cannot be opposite to the preset reinforcing steel bars.
Disclosure of Invention
In view of the above, an object of the present invention is to overcome the defects in the prior art, and to provide a method and an expansion joint structure for replacing an expansion joint device, which can shorten the replacement period of the expansion joint device, improve the work efficiency, and simultaneously ensure that the replaced expansion joint device is stably connected with a roadbed, thereby ensuring the efficient use of the expansion joint device.
The invention discloses a method for replacing an expansion joint device, which comprises the following steps:
the method comprises the following steps: digging out the front expansion joint device and cleaning an installation groove of the expansion joint device;
step two: putting the new expansion joint device and enabling the anchor bars fixed on the side wall of the new expansion joint to correspond to the preset steel bars preset on the roadbed one by one;
step three: measuring the horizontal spacing between the anchor bars and the preset steel bars which correspond to each other one by one, and directly welding the anchor bars and the preset steel bars when the horizontal spacing is smaller than or equal to a set value; when the horizontal spacing is larger than a set value, fixing the anchor bars and the preset steel bars through the connecting pieces;
step four: and backfilling the installation groove of the expansion joint device.
Further, the fixed anchor bar mounting panel that is used for installing the anchor bar that is provided with of new expansion joint lateral wall, the connecting piece is fixed in the connection mounting panel and the connection dead lever of being connected the mounting panel respectively in anchor bar mounting panel and the both ends of presetting the reinforcing bar including welded fastening.
Furthermore, the anchor bar mounting plate and the connecting mounting plate are respectively provided with a connecting hole, and the two ends of the connecting fixing rod are provided with external threads and the end part of the connecting fixing rod respectively penetrates through the corresponding connecting holes and is fixed through a locking nut.
Further, in the third step, before the fixing rods are installed, an included angle between the anchor bar installation plate and a plane where the preset steel bars are located is measured, the connecting holes and the bending connecting fixing rods are arranged according to the included angle, and then the fixing connecting rods are installed.
Furthermore, the two sides of the anchor bar mounting plate and the connecting mounting plate are both provided with locking nuts with threads sleeved outside the connecting fixing rods.
Further, the number of the connecting fixing rods is at least two.
The invention also discloses an expansion joint structure of the expansion joint device after replacement by the method for replacing the expansion joint device, which comprises a left roadbed, a right roadbed and the expansion joint device positioned between the left roadbed and the right roadbed, wherein L-shaped reserved steel bars are arranged on the end surfaces of the left roadbed and the right roadbed, anchor bars which are in one-to-one correspondence with the preset steel bars are arranged on the side surface of the expansion joint device, the anchor bars are fixed on the expansion joint device through anchor bar mounting plates fixed on the side surface of the expansion joint device, the expansion joint structure also comprises a connecting fixed rod, part of the anchor bar mounting plates and the connecting mounting plates are respectively provided with connecting holes, the two ends of the connecting fixed rod are provided with external threads, and the end parts of the connecting.
Furthermore, the two sides of the anchor bar mounting plate and the connecting mounting plate are both provided with locking nuts with threads sleeved outside the connecting fixing rods.
Further, the number of the connecting fixing rods is at least two.
Furthermore, part of the anchor bars are directly welded and fixed with the corresponding preset steel bars.
The invention has the beneficial effects that: according to the method for replacing the expansion joint device and the expansion joint structure, the welding anchor bars and the preset steel bars which are fixedly connected at a larger distance are arranged, the preset steel bars are prevented from being implanted again, the replacement period of the expansion joint device is greatly shortened, the working efficiency is improved, meanwhile, the expansion joint device is ensured to be stably connected with a roadbed after replacement, and the expansion joint device is ensured to be efficiently used.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, and fig. 2 is a top view of the present invention, and as shown in the drawings, the method for replacing an expansion joint device in the embodiment includes the following steps:
the method comprises the following steps: digging out the front expansion joint device and cleaning an installation groove 2 of the expansion joint device;
step two: putting the new expansion joint device 1, and enabling the anchor bars 3 fixed on the side wall of the new expansion joint to correspond to the preset reinforcing steel bars 4 preset on the roadbed 9 one by one;
step three: measuring the horizontal distance between the anchor bars 3 and the preset steel bars 4 which correspond to each other one by one, and directly welding the anchor bars 3 and the preset steel bars 4 when the horizontal distance is smaller than or equal to a set value; when the horizontal distance is larger than a set value, fixing the anchor bars 3 and the preset steel bars 4 through the connecting pieces;
step four: and backfilling the installation groove of the expansion joint device.
Horizontal interval is weld gap's maximum distance, and 2 centimetres are set for to this embodiment, connects the great welding anchor 3 of fixed connection distance and preset reinforcing bar 4 through setting up, avoids adopting to implant again and preset reinforcing bar 4, shortens expansion joint device 1's change cycle greatly, improves work efficiency, and simultaneously, the shortening expansion joint device 1 after guaranteeing to change is connected firmly with the road bed, guarantees to shorten expansion joint device 1 and high-efficient the use.
In this embodiment, the sidewall of the new expansion joint is fixedly provided with an anchor bar mounting plate 5 for mounting an anchor bar 3, and the connecting member includes a connecting mounting plate 6 welded and fixed to a preset steel bar 4 and a connecting fixing rod having two ends respectively fixed to the anchor bar mounting plate 5 and the connecting mounting plate 6; the anchor bar mounting plate 5 and the connecting mounting plate 6 are respectively provided with a connecting hole, external threads are arranged at two ends of the connecting fixed rod 7, and the end part of the connecting fixed rod 7 respectively penetrates through the corresponding connecting holes and is fixed by a locking nut 8; in the third step, before the connecting fixed rod 7 is installed, an included angle between the anchor bar installation plate 5 and a plane where the preset steel bar 4 is located is measured, a connecting hole and the bent connecting fixed rod 7 are formed according to the included angle, and then the fixed connecting rod is installed; connect dead lever 7 and set up to two at least, dowel mounting panel 5 and connection mounting panel 6 both sides all are provided with the thread overcoat in the lock nut 8 of connecting dead lever 7, fixed connection rod's both ends all are provided with the external screw thread section, bend through current device to fixed connection rod's centre, guarantee that the angle of bending satisfies fixed connection rod and can stably be fixed in between connection mounting panel 6 and 3 fixed plates of dowel, respectively connect mounting panel 6 and 3 fixed plates of dowel set up when corresponding connecting hole the central line of the connecting hole of assurance both sides intersect can, through the bolt fastening, guarantee that fixed strength is high, be difficult for split, do benefit to long-term use.
The invention also discloses an expansion joint structure which comprises a left roadbed, a right roadbed and an expansion joint device 1 positioned between the left roadbed and the right roadbed, wherein L-shaped reserved steel bars are arranged on the end faces of the left roadbed and the right roadbed, anchor bars 3 which are in one-to-one correspondence with the preset steel bars 4 are arranged on the side face of the expansion joint device 1, the anchor bars 3 are fixed on the expansion joint device 1 through anchor bar mounting plates 5 fixed on the side face of the expansion joint device 1, the expansion joint structure also comprises connecting fixed rods 7, connecting holes are respectively formed in part of the anchor bar mounting plates 5 and the connecting mounting plates 6, external threads are arranged at two ends of the connecting fixed rods 7, and the end parts of the connecting fixed rods 7 respectively penetrate through the.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A method for expansion joint device replacement, its characterized in that: comprises the following steps:
the method comprises the following steps: digging out the front expansion joint device and cleaning an installation groove of the expansion joint device;
step two: putting the new expansion joint device and enabling the anchor bars fixed on the side wall of the new expansion joint to correspond to the preset steel bars preset on the roadbed one by one;
step three: measuring the horizontal spacing between the anchor bars and the preset steel bars which correspond to each other one by one, and directly welding the anchor bars and the preset steel bars when the horizontal spacing is smaller than or equal to a set value; when the horizontal spacing is larger than a set value, fixing the anchor bars and the preset steel bars through the connecting pieces;
step four: and backfilling the installation groove of the expansion joint device.
2. The method for expansion joint installation replacement of claim 1, wherein: the fixed anchor bar mounting panel that is used for installing the anchor bar that is provided with of new expansion joint lateral wall, the connecting piece is fixed in the connection mounting panel and the connection dead lever of being fixed in anchor bar mounting panel and connection mounting panel respectively at both ends including welded fastening preset the reinforcing bar.
3. The method for expansion joint installation replacement of claim 2, wherein: connecting holes are respectively formed in the anchor bar mounting plate and the connecting mounting plate, external threads are arranged at two ends of the connecting fixing rod, and the end part of the connecting fixing rod penetrates through the corresponding connecting holes respectively and is fixed through a locking nut.
4. A method for expansion joint installation replacement according to claim 3, wherein: and in the third step, before the connecting fixed rods are installed, measuring an included angle between the anchor bar installation plate and the plane where the preset steel bars are located, arranging the connecting holes and the bent connecting fixed rods according to the included angle, and then installing the fixed connecting rods.
5. The method for replacing an expansion joint device and the expansion joint structure according to claim 4, wherein: and both sides of the anchor bar mounting plate and the connecting mounting plate are provided with locking nuts which are externally sleeved with threads and connected with the fixing rods.
6. A method for expansion joint installation replacement according to claim 3, wherein: the number of the connecting fixing rods is at least two.
7. An expansion joint structure for an expansion joint device after replacement by the method for replacement of an expansion joint device according to any one of claims 1 to 6, wherein: including left road bed, right road bed and be located the expansion joint device between left road bed and the right road bed, left side road bed and right road bed terminal surface all are provided with the reservation reinforcing bar of L type, expansion joint device side is provided with and presets the dowel of reinforcing bar one-to-one, the dowel is fixed in the expansion joint device through the dowel mounting panel that is fixed in expansion joint device side, still including connecting the dead lever, and the connecting hole has been seted up respectively with the connection mounting panel to partial dowel mounting panel, it is provided with the external screw thread and connects the dead lever tip and pass respectively and correspond the connecting hole and fix through lock nut to connect the dead lever both ends.
8. The expansion joint structure of claim 7, wherein: and both sides of the anchor bar mounting plate and the connecting mounting plate are provided with locking nuts which are externally sleeved with threads and connected with the fixing rods.
9. The expansion joint structure of claim 7, wherein: the number of the connecting fixing rods is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645604.7A CN111719420A (en) | 2020-07-07 | 2020-07-07 | Method for replacing expansion joint device and expansion joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645604.7A CN111719420A (en) | 2020-07-07 | 2020-07-07 | Method for replacing expansion joint device and expansion joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111719420A true CN111719420A (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010645604.7A Pending CN111719420A (en) | 2020-07-07 | 2020-07-07 | Method for replacing expansion joint device and expansion joint structure |
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| CN (1) | CN111719420A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586829B2 (en) * | 1999-12-10 | 2004-11-10 | 真佐子 中村 | Repair construction method for joints of viaduct |
| CN202247675U (en) * | 2011-07-29 | 2012-05-30 | 浙江省交通规划设计研究院 | Connection structure of profile steel expansion joint and plate-girder embedded assembly |
| CN204780575U (en) * | 2015-06-12 | 2015-11-18 | 武汉市市政建设集团有限公司 | A fixing device for fixing fishback |
| CN205276124U (en) * | 2015-12-31 | 2016-06-01 | 河北泰勒铁路器材有限公司 | Ready -package bridge telescoping device for light rail |
| CN110396946A (en) * | 2019-07-18 | 2019-11-01 | 上海市政工程设计研究总院（集团）有限公司 | A kind of bridge extension joint replacing options |
-
2020
- 2020-07-07 CN CN202010645604.7A patent/CN111719420A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586829B2 (en) * | 1999-12-10 | 2004-11-10 | 真佐子 中村 | Repair construction method for joints of viaduct |
| CN202247675U (en) * | 2011-07-29 | 2012-05-30 | 浙江省交通规划设计研究院 | Connection structure of profile steel expansion joint and plate-girder embedded assembly |
| CN204780575U (en) * | 2015-06-12 | 2015-11-18 | 武汉市市政建设集团有限公司 | A fixing device for fixing fishback |
| CN205276124U (en) * | 2015-12-31 | 2016-06-01 | 河北泰勒铁路器材有限公司 | Ready -package bridge telescoping device for light rail |
| CN110396946A (en) * | 2019-07-18 | 2019-11-01 | 上海市政工程设计研究总院（集团）有限公司 | A kind of bridge extension joint replacing options |
Non-Patent Citations (1)
| Title |
|---|
| 郑毅强: "某高速公路梳齿板式伸缩装置更换方法探讨", 《安徽建筑》 * |
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Application publication date: 20200929 |