CN220767769U - Construction device for bridge expansion joint position jump vehicle - Google Patents
Construction device for bridge expansion joint position jump vehicle Download PDFInfo
- Publication number
- CN220767769U CN220767769U CN202322415768.2U CN202322415768U CN220767769U CN 220767769 U CN220767769 U CN 220767769U CN 202322415768 U CN202322415768 U CN 202322415768U CN 220767769 U CN220767769 U CN 220767769U
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- expansion joint
- sides
- template
- screw
- construction device
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 238000004873 anchoring Methods 0.000 claims abstract description 22
- 239000010426 asphalt Substances 0.000 claims abstract description 11
- 230000009191 jumping Effects 0.000 claims abstract description 5
- 238000009415 formwork Methods 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a construction device for jumping at a bridge expansion joint position. Comprises a template bracket, a module, movable angle steel, a first screw and a second screw; the template supports are fixed on the asphalt surfaces at two sides of the expansion joint device; two templates which are vertically arranged are arranged at two sides of the expansion joint and are arranged along the extending direction of the expansion joint; two movable angle steels are respectively arranged on the outer side surfaces of the bottoms of the two templates, and horizontally extend along the extending direction of the expansion joint; the two templates are fixed through a first screw rod and a second screw rod which are positioned at the upper part and the lower part, two ends of the first screw rod respectively penetrate out of the two modules and then are connected with template supports on two sides through bolts, and two sides of the second screw rod are respectively used for connecting the movable angle steel and the templates. The utility model can improve the jumping phenomenon at two sides of the expansion joint, improve the driving safety and comfort, repair the locally damaged concrete of the anchoring area of the expansion joint and prolong the service life of the expansion joint.
Description
Technical Field
The utility model belongs to the field of bridge maintenance and reinforcement, and particularly relates to a construction device for bridge expansion joint position skip.
Background
Due to the existence of sedimentation differences on two sides of the bridge expansion joint, two sides of the bridge head are unsmooth, and the phenomenon of vehicle jump is caused. The phenomenon of jumping can cause damage to the anchoring area of the expansion joint or even damage to the expansion joint device, so that the safety and the travelling comfort of drivers and passengers cannot be guaranteed. After the phenomenon of jumping, the expansion joint anchoring area needs to be wholly dismantled and repaired, and the expansion joint anchoring area is required to be thoroughly repaired at a high highway maintenance cost, so that the expansion joint anchoring area cannot be repaired, the section steel of the expansion joint device is broken because the section steel is not repaired for a long time, and the hidden danger of driving is greatly increased. In order to face increasingly heavy road traffic, a rapid handling construction technology for the bridge expansion joint position jump phenomenon is urgently needed.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides a rapid treatment construction method for the bridge expansion joint position jump phenomenon. Not only can improve expansion joint both sides and jump the car phenomenon, promote driving safety and comfort level, can also repair the local damaged concrete in expansion joint anchor district, extension expansion joint life.
The technical scheme adopted by the utility model is as follows:
the construction device for the bridge expansion joint position skip comprises:
the template supports are arranged on the asphalt surfaces at two sides of the expansion joint and are used for supporting the template;
the templates are vertically erected on two sides of the expansion joint and are arranged along the extending direction of the expansion joint;
the movable angle steel is respectively arranged at the bottoms of the outer side surfaces of the two templates and horizontally extends along the extending direction of the expansion joint;
the first screw is positioned at the upper part of the template, two sides of the first screw are connected with the two template brackets, and the middle part of the first screw is connected with the two templates;
the second screw is positioned at the bottom of the template, and two sides of the second screw are respectively used for connecting the movable angle steel and the template.
The template adopts the steel sheet that has the supportability, and the medial surface has vertically arranged many fixed angle steel for the support template.
The surface of the template is provided with a plurality of vertical through holes; the first screw rod and the second screw rod respectively penetrate through the top and the bottom of the vertical through hole and are fixedly connected through bolts.
The first screw and the second screw perform adjustment of the fixed position by moving up and down along the vertical through hole.
Two ends of the first screw rod penetrate out of the two modules respectively and then are connected with the template brackets on two sides through bolts;
the movable angle steel on two sides is connected with the two templates through a second screw.
The template extension length is adapted to the width of the lane, and the number of the template supports and the screw rods is adjusted according to the width of the lane so as to meet the template supporting conditions.
The expansion joint device is composed of section steel, two sides of the expansion joint device are fixed through an anchoring area of the concrete building, and the bottoms of the two templates respectively prop against the section steel at two sides of the expansion joint device.
After the restoration height of the anchoring areas at the two sides of the expansion joint is determined, the bottom surface of the movable angle steel is flush with the restoration height.
A rubber waterproof layer is arranged between the section steel of the expansion joint device, and the bottom of the template does not apply pressure to the rubber waterproof layer.
The utility model has the beneficial effects that:
(1) The utility model can rapidly treat the jump phenomenon of the expansion joint area, protect the expansion joint device from being damaged in the construction process, and smooth the two sides of the expansion joint after construction.
(2) Compared with the expansion joint which is not treated, the expansion joint area treated by the utility model is relatively smooth, the jump phenomenon is obviously slowed down, the impact effect of the jump effect on the concrete in the anchoring area is reduced and lowered, the driving comfort level can be effectively improved, and the service life of the expansion joint device is prolonged.
(3) By adopting the construction device, the expansion joint device can be quantitatively constructed, and meanwhile, the damage to the expansion joint device caused by the fact that the quick repair mortar enters the expansion joint device can be avoided. The whole construction quality is improved.
(4) After the construction is carried out by adopting the method disclosed by the utility model, the influence on the current traffic is small, mechanical equipment and construction equipment are not needed, and the lightweight construction characteristics of construction while driving vehicles are achieved.
Drawings
FIG. 1 is a general layout of the present utility model
FIG. 2 is a schematic diagram of a template system according to the present utility model
FIG. 3 is a front view of a form according to the present utility model
FIG. 4 is a back view of a form according to the present utility model
FIG. 5 is a drawing of a template holder according to the present utility model
In the figure: asphalt surface 1, expansion joint anchoring area 2, rapid repair mortar 3 after construction, construction template support system 4 and expansion joint device 5
Detailed Description
The present utility model will be described below with reference to the drawings and specific examples.
The device comprises quick repair mortar 3, a construction template 41 and a bracket system 4 thereof. The expansion joint area jump phenomenon can be handled fast, the expansion joint device is protected from being damaged in the construction process, two sides of the expansion joint are smooth after construction, and the jump phenomenon is slowed down.
As shown in fig. 2 to 5, the formwork support 45 is erected on both sides of the expansion joint device, and each side is provided with at least 2 formwork supports 45. To ensure rigidity of the formwork support 45, the distance between the support and the central line of the expansion joint device is not more than 1.5m. The die plate holder 45 is fixed to the die plate 41 by a screw 42 and a bolt 421. The lower part of the template 41 is provided with a movable angle steel 43 which is connected with a bolt 441 through a screw 44 to determine the height for applying mortar. The screw 44 and the screw 441 also serve to support the lower portion of the form, ensuring close contact between the form 41 and the expansion joint device 5. In order to ensure the rigidity of the template 41, the back of the template is provided with fixed angle steel 413 which is vertically arranged; the upper and lower portions of the form support system are adjustable and fixable between the screws by bolts. A plurality of vertically arranged template positioning holes 412 are formed in the surface of the template, and angle steel at the lower part of the template can slide up and down along the template positioning holes 412 and can be adjusted and fixed freely.
Specific examples:
the concrete in the original anchoring area 2 has a damaged working condition. Before treatment or before high-performance quick repair mortar is coated, a mechanical chiseling device is adopted to chiseling off broken and falling concrete exists in an anchoring area of the expansion joint device, so that the concrete in the anchoring area does not have loose, floating, falling particles and the like, and the chiseling depth is suitable for completely exposing the concrete in a new state. After the chiseled area is cleaned, the measurement is performed according to the method of the utility model.
(1) Measuring elevation: respectively measuring the elevation of section steel at two sides of the bridge expansion joint and the elevation of asphalt surface 1 at two sides, and calculating the repairing height of the anchoring area;
1.1 Measuring points are carried out on the section steel and the asphalt surface 1 at the two sides of the expansion joint quantity:
marking a plurality of intersecting positions of a lane marking on the asphalt surface 1 and the expansion joint anchoring zone 2 as first measuring points, and carrying out elevation;
marking a plurality of intersecting positions of the extension line of the lane marking and the section steel on the expansion joint device as second measuring points and elevation;
at least 6 points are measured on the asphalt surface layer at one side of each bridge expansion joint, namely 3 measuring point elevation of the asphalt pavement surface layer at the intersection of each lane marking and concrete and 3 measuring point elevation from the marking extension line to the expansion joint device steel member.
1.2 Connecting and fitting first measuring points on the asphalt surfaces at two sides to obtain a repairing surface of the anchoring area, and calculating the repairing height of the anchoring area (2) according to the repairing surface; and estimating the mortar usage amount of the anchoring area according to the height difference between the repair height and the second measuring point.
(2) Base layer cleaning
In the step (2), the concrete anchoring area is polished to increase the bonding effect of the concrete and the repair mortar in the anchoring area, equipment such as a grinding wheel polisher, a shot blasting machine and the like can be adopted for treatment, and other sundries cannot exist on the interface of the concrete after the treatment.
(3) Inner vertical mould for expansion joint
As shown in fig. 1, in the step (3), the side surfaces of the templates standing on two sides of the expansion joint device are coated with release agent, the templates are steel plates with supporting degree, and the rubber waterproof layer of the expansion joint device is not damaged in the construction and formwork erection process. When the formwork is erected, the formwork support 45 is firstly erected on the asphalt surface 1 on two sides of the expansion joint, then the formwork 41 is preliminarily fixed from the top by using the first screw rod 42 (bolts are not screwed), the formwork 41 is marked according to the repairing height obtained in the step 1), the bottom surface of the movable angle steel 43 is flush with the surface to be leveled, namely the repairing height, the movable angle steel 43 is connected with the formwork 41 by the second screw rod 44, and finally the second screw rod and the first screw rod 42 are fixed by screwing.
The rubber waterproof layer of the expansion joint device is not damaged in the construction formwork erection process.
(4) Mortar formulation
In the step (4), the adopted mortar is quick-hardening mortar, can be fully mixed and uniformly stirred with water according to a proportion on site, has the characteristic of maintenance-free under the conventional condition, has the compressive strength of not less than 30-50 Mpa in 2 hours, has the bonding tensile strength with the original concrete of not less than 1.5Mpa, and has the characteristic of low shrinkage. And when the concrete is constructed, the construction in overcast and rainy days is avoided.
(5) Trowelling mortar and health care
In the step (5), the mortar has better construction performance, and the evenly stirred mortar mixture is paved on the concrete surface of the clean anchoring area to be smoothed. The trowelling is completed before the mortar is initially set, and the elevation of the top surface of the mortar is flush with the bottom surface of the angle steel. And after the mortar is troweled, water sprinkling and health maintenance are avoided, the mortar is prevented from being disturbed by larger vibration until the mortar is finally coagulated, and if the mortar is suddenly rainy, construction is avoided.
(6) Dismantling form board
In the step (6), when the template is removed, the mortar strength needs to reach 80% of the design strength, and when no special requirement exists, the normal temperature curing time is not less than 2 hours. When the template is removed, the lower bolts are loosened successively, and then the template and the support are removed.
(7) And (5) restoring the traffic.
Claims (9)
1. The construction device for the bridge expansion joint position jump vehicle is characterized by comprising
The template supports are arranged on the asphalt surfaces at two sides of the expansion joint and are used for supporting the template;
the templates are vertically erected on two sides of the expansion joint and are arranged along the extending direction of the expansion joint;
the movable angle steel is respectively arranged at the bottoms of the outer side surfaces of the two templates (41) and horizontally extends along the extending direction of the expansion joint;
the first screw (42) is positioned at the upper part of the template, two sides of the first screw are connected with two template supports (45), and the middle part of the first screw is connected with two templates (41);
the second screw rod (44) is positioned at the bottom of the template, and two sides of the second screw rod are respectively used for connecting the movable angle steel (43) and the template (41).
2. The construction device for bridge expansion joint position skip as claimed in claim 1, wherein the formwork (41) is made of a steel plate with supporting property, and a plurality of fixed angle steels (413) are vertically arranged on the inner side surface for supporting the formwork.
3. Construction device for bridge expansion joint position skip according to claim 1, characterized in that the surface of the formwork (41) is provided with a plurality of vertical through holes (412); the first screw (42) and the second screw (44) respectively penetrate through the top and the bottom of the vertical through hole (412) and are fixedly connected through bolts.
4. A bridge expansion joint position skip construction device according to claim 3, characterized in that the first screw (42) and the second screw (44) are adjusted in fixed position by moving up and down along the vertical through hole (412).
5. The construction device for jumping at the bridge expansion joint position according to claim 3, wherein,
two ends of the first screw rod (42) respectively penetrate through the two modules and are connected with the template brackets (45) on two sides through bolts;
the movable angle steel (43) at two sides is connected with the two templates (41) through a second screw (44).
6. Construction device for bridge expansion joint position skip according to claim 1, characterized in that the form (41) extension length is adapted to the lane width, the form support (45) and the number of screws are adjusted according to the lane width to meet the form support condition.
7. The construction device for bridge expansion joint position skip according to claim 1, wherein the expansion joint device (5) is composed of section steel, two sides of the expansion joint device are fixed through an anchoring area (2) of a concrete building, and the bottoms of the two templates (41) respectively prop against the section steel at two sides of the expansion joint device (5).
8. The construction device for bridge expansion joint position skip according to claim 7, wherein after the repair height of the anchoring areas on both sides of the expansion joint is determined, the bottom surface of the movable angle steel (43) is made to be flush with the repair height.
9. The construction device for bridge expansion joint position skip as recited in claim 7, wherein a rubber waterproof layer (51) is arranged between section steel of the expansion joint device, and the bottom of the template (41) does not apply pressure to the rubber waterproof layer (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322415768.2U CN220767769U (en) | 2023-09-06 | 2023-09-06 | Construction device for bridge expansion joint position jump vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322415768.2U CN220767769U (en) | 2023-09-06 | 2023-09-06 | Construction device for bridge expansion joint position jump vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220767769U true CN220767769U (en) | 2024-04-12 |
Family
ID=90609899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322415768.2U Active CN220767769U (en) | 2023-09-06 | 2023-09-06 | Construction device for bridge expansion joint position jump vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220767769U (en) |
-
2023
- 2023-09-06 CN CN202322415768.2U patent/CN220767769U/en active Active
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