CN211547315U - Expansion joint anchoring structure - Google Patents
Expansion joint anchoring structure Download PDFInfo
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- CN211547315U CN211547315U CN201922065498.0U CN201922065498U CN211547315U CN 211547315 U CN211547315 U CN 211547315U CN 201922065498 U CN201922065498 U CN 201922065498U CN 211547315 U CN211547315 U CN 211547315U
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Abstract
The utility model relates to the technical field of building structures, in particular to an expansion joint anchoring structure, which comprises an expansion joint arranged in a foundation concrete layer and a first steel plate covered on the expansion joint, wherein an elastic material layer is arranged above the first steel plate, a first steel bar is arranged in the elastic material layer, and two ends of the first steel bar are respectively connected with a first angle steel; two ends of the first steel plate are respectively connected with a second angle steel; the first angle steel and the first steel bar are both positioned in the elastic material layer; the elastic material layer is positioned in a groove structure formed by the first steel plate and the two second angle steels. The utility model discloses accelerated the construction process of the expansion joint of road surface basis, can accomplish the construction fast under the condition that reduces the influence to the traffic, effectively prolong the life of product.
Description
Technical Field
The utility model relates to a building structure technical field, concretely relates to expansion joint anchor structure.
Background
Under the influence of thermal expansion and cold contraction, the building elements can shrink and extend to different degrees along with the change of the climate temperature, and the deformation enables the building structure to be easy to crack along the joint of the elements. In order to cope with this situation, a structural joint is generally provided along the construction joint direction of the building structure, so as to divide the building element above the foundation into different independent parts, thereby enabling the element to expand and contract along the width direction of the structural joint when the element expands with heat and contracts with cold, and avoiding the cracking of the building structure.
In construction links such as construction or maintenance of highways and bridge floors, the construction of expansion joints requires the on-site installation of embedded parts on the road surface or the bridge floor, then concrete and other materials are poured on the expansion joints, and the materials can be dried and solidified after the pouring is finished by waiting for about one day. In the structure shown in fig. 2, a steel plate 1 'is placed on a structural joint 9', angle steel 3 'for fixing a pull rod 2' is arranged on two sides of the steel plate 1 ', the angle steel 3' is driven into a foundation concrete layer 4 'through expansion screws for fixing, and an elastic material 5' is poured on the pull rod 2 'and the steel plate 1'. If construction is carried out in a scene with low temperature such as winter, more time is consumed for waiting for the material to be dried and solidified, and in order to deal with structural displacement caused by thermal expansion and cold contraction, the lower surface of the steel plate 1 ' is provided with the central stopper 6 ', so that the central stopper 6 ' is positioned in the expansion joint and has a tiny horizontal movement stroke. However, since traffic needs to be closed during site construction, the length of the dry-set time directly affects the stability of traffic conditions, and if the construction point is located on the main traffic route, the site traffic is greatly affected.
Based on the above reasons, need in the trade a scheme that carries out quick construction to the road surface or the bridge floor that need carry out the expansion joint setting to solve traditional means and consuming time longer, influence the problem that the traffic resumes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an expansion joint anchor structure, solve above technical problem.
The utility model provides a technical problem can adopt following technical scheme to realize:
an expansion joint anchoring structure comprises an expansion joint arranged in a foundation concrete layer and a first steel plate covering the expansion joint, wherein an elastic material layer is arranged above the first steel plate, a first steel bar is arranged in the elastic material layer, and two ends of the first steel bar are respectively connected with a first angle steel;
two ends of the first steel plate are respectively connected with a second angle steel;
the first angle steel and the first steel bar are both positioned in the elastic material layer;
the elastic material layer is located in a groove structure formed by the first steel plate and the two second angle steels.
The utility model discloses a constitute a steel groove structure behind first steel sheet both sides respectively set up a second angle steel, thereby realize will originally need the site pouring in the first reinforcing bar and the first angle steel modularization of expansion joint top, make it possess prefabricated effect outside the scene in advance, for example can prepare shaping steel groove module in advance in the manufacturing plant, it includes the second angle steel, first steel sheet, first angle steel, first reinforcing bar, thereby realize the on-the-spot quick installation configuration expansion joint, make the site operation only need carry out the setting of pre-buried reinforcing bar in basic concrete layer and carry out welded work with pre-buried reinforcing bar and second angle steel, can accomplish the construction of expansion joint. The whole construction process is fast and efficient, and a foundation is provided for fast recovering traffic.
One end of the first steel plate is connected with the second angle steel through an elastic unit, and the elastic unit is located on one side of the expansion joint.
Preferably, the elastic unit is made of sponge rubber.
The utility model discloses a set up the elastic unit between first steel sheet and second angle steel, make first steel sheet have certain flexible stroke in the horizontal direction, can offset the influence that deformation produced through flexible stroke when concrete structure and steel structure take place to deform because of expend with heat and contract with cold, make the whole size of the steel structure that comprises first steel sheet and second angle steel maintain unchanged, thereby avoid deformation influence to act on concrete structure that has already been poured into shape and dried and solidified and destroy the building foundation; when the building structures on the two sides of the elastic unit displace due to the action of external force, the effect of the expansion joint can be realized through the elastic performance of the elastic unit.
A second steel plate is arranged below the first steel plate and positioned on one side of the expansion joint, and the second steel plate can slide relative to the first steel plate, so that the expansion characteristic of the structure can be more effectively realized under the influence of external force;
the elastic unit and the second angle steel positioned on one side of the elastic unit are both positioned on the second steel plate.
Preferably, the base concrete layer is a concrete layer made of polymer concrete.
Be equipped with the second reinforcing bar in the basic concrete layer, arbitrary the second angle steel all through a round steel fixed connection the second reinforcing bar, the second reinforcing bar with the round steel is in predetermine wherein when the basic concrete layer is poured the shaping.
The first angle steel and the second angle steel which are positioned on the same side of the first steel plate are connected with each other through a fastening screw rod, the fastening screw rod sequentially penetrates through bolt holes formed in the first angle steel and the second angle steel from top to bottom and then extends into the foundation concrete layer, and the fastening screw rod is preset in the foundation concrete layer during pouring forming.
And a third steel bar is arranged in the foundation concrete layer, the third steel bar is preset in the foundation concrete layer during pouring, and the extending end of the fastening screw is fixedly connected with the third steel bar.
The first steel plate is fixedly connected with a first stud below, the first stud is fixedly connected with a fourth steel bar arranged in the foundation concrete layer downwards, and the first stud and the fourth steel bar are preset in the foundation concrete layer during pouring forming.
And a second stud is fixedly connected below the second steel plate, the second stud is fixedly connected downwards with a fifth steel bar arranged in the foundation concrete layer, and the second stud and the fifth steel bar are preset in the foundation concrete layer during pouring forming.
Has the advantages that: since the technical scheme is used, the utility model discloses accelerated the construction process of road surface foundation's expansion joint, can accomplish the construction fast under the condition that reduces the influence to the traffic, old-fashioned structure compares, has cancelled the central stopper structure on the steel sheet, and for the side direction atress of central stopper structure, the tip atress of elastic element can be conducted along the axis, can not take place because of the side direction atress lasts or violently causes the condition such as central stopper fracture damage, can effectively prolong the life of product.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of an old type expansion joint anchoring structure.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.
Referring to fig. 1, an expansion joint anchoring structure includes an expansion joint 40 disposed in a foundation concrete layer 11 and a first steel plate 21 covering the expansion joint 40, an elastic material layer 12 is disposed above the first steel plate 21, a first steel bar 31 is disposed in the elastic material layer 12, and two ends of the first steel bar 31 are respectively connected to a first angle steel 51. Two ends of the first steel plate 21 are respectively connected with a second angle steel 52; the first angle steel 51 and the first reinforcing steel bar 31 are both positioned in the elastic material layer 12; the elastic material layer 12 is located in the groove structure formed by the first steel plate 21 and the two second angle steels 52. In some of the preferred embodiments, the base concrete layer 11 is made of polymer concrete. The polymer concrete is concrete formed by combining an organic polymer, an inorganic cementing material and aggregate. The preparation method comprises the following steps: polymer impregnated concrete; polymer cement concrete, also known as Polymer Modified Concrete (PMC); polymer Concrete (PC), also known as Resin Concrete (RC). Compared with common concrete, the concrete has the characteristics of high tensile strength, high breaking strength, good ductility, good cohesiveness, good impermeability, good impact resistance, good wear resistance and the like, and is particularly suitable for laying seamless ground.
It should be noted that the first steel bar is a tie bar structure, and is generally made of screw steel.
In some embodiments, one end of the first steel plate 21 is connected to the second angle iron 52 through an elastic unit 60, and the elastic unit 60 is located at one side of the expansion joint 40. In some preferred embodiments, the elastic unit 60 may be made of sponge rubber. The purpose of the elastic unit is to: the first steel plate 21 has a telescopic stroke in the horizontal direction, so that when the concrete structure and the steel structure deform due to expansion with heat and contraction with cold, the influence caused by deformation can be offset through the telescopic stroke, the overall size of the steel structure consisting of the first steel plate 21 and the second angle steel 52 is kept unchanged, and the deformation influence is prevented from acting on the concrete structure which is poured, formed and cured to damage a building foundation; when the building structures (road) at both sides of the elastic unit 60 are displaced by external force, the expansion effect of the expansion joint can be realized by the elastic performance of the elastic unit 60, which is compressed to shorten the length and recover the length when no external force is applied.
In some embodiments, the second steel plate 22 is arranged below the first steel plate 21 on one side of the expansion joint 40, and the second steel plate 22 is arranged to slide relative to the first steel plate 21, so that the expansion characteristic of the structure is more effectively realized when the expansion joint is influenced by external force; the elastic unit 60 and the second angle iron 52 positioned at one side of the elastic unit 60 are positioned on the second steel plate 22.
In some embodiments, the foundation concrete layer 11 is provided with the second steel bars 32, and any one of the second angle irons 52 is fixedly connected to the second steel bars 32 through the round steel 70, and the second steel bars 32 and the round steel 70 are preset in the foundation concrete layer 11 during casting.
In some embodiments, the first angle steel 51 and the second angle steel 52 located on the same side of the first steel plate 21 are connected to each other through a fastening screw 81, the fastening screw 81 sequentially passes through bolt holes provided on the first angle steel 51 and the second angle steel 52 from top to bottom and then extends into the foundation concrete layer 11, and the fastening screw 81 is preset in the foundation concrete layer 11 during casting.
In some embodiments, the foundation concrete layer 11 is provided with a third reinforcing bar 33, the third reinforcing bar 33 is preset when the foundation concrete layer 11 is poured, and the protruding end of the fastening screw 81 is fixedly connected with the third reinforcing bar 33.
In some embodiments, a first peg 82 is fixedly connected to the lower portion of the first steel plate 21, the first peg 82 is fixedly connected to the fourth steel bar 34 disposed in the foundation concrete layer 11, and the first peg 82 and the fourth steel bar 34 are preset therein when the foundation concrete layer 11 is cast.
In some embodiments, a second pin 83 is fixedly connected to the lower portion of the second steel plate 22, the second pin 83 is fixedly connected to a fifth steel bar 35 disposed in the foundation concrete layer 11, and the second pin 83 and the fifth steel bar 35 are preset therein when the foundation concrete layer 11 is cast.
The utility model discloses a constitute a steel groove structure behind first steel sheet both sides respectively set up a second angle steel, thereby realize will originally need the site pouring in the first reinforcing bar and the first angle steel modularization of expansion joint top, make it possess prefabricated effect outside the scene in advance, for example can prepare shaping steel groove module in advance in the manufacturing plant, it includes the second angle steel, first steel sheet, first angle steel, first reinforcing bar, thereby realize the on-the-spot quick installation configuration expansion joint, make the site operation only need carry out the setting of pre-buried reinforcing bar in basic concrete layer and carry out welded work with pre-buried reinforcing bar and second angle steel, can accomplish the construction of expansion joint. The whole construction process is fast and efficient, and a foundation is provided for fast recovering traffic.
The utility model discloses in, round steel 70, second reinforcing bar 32, third reinforcing bar 33, fourth reinforcing bar 34, fifth reinforcing bar 35, fastening screw 81, first peg 82, second peg 83 all can set up to the built-in fitting, pour the shaping on basic concrete layer and pre-buried wherein promptly, before pre-buried, earlier with round steel 70 and second reinforcing bar 32 fixed connection, with fastening screw 81 and third reinforcing bar 33 fixed connection, with first peg 82 and the 34 fixed connection of fourth reinforcing bar, with second peg 83 and fifth reinforcing bar 35 fixed connection, fixed connection can be tied up for the reinforcing bar, can preferentially adopt the fixed connection of welding mode implementation structure. The fixedly connected assembly is then embedded in the foundation concrete layer 11. Thereby make at the steel groove structure who comprises second angle steel 52 and first steel sheet 21 dry at elastic material layer 12 and solidify the back, can transport the job site and install, the installation only needs to accomplish the fixed connection of second angle steel 52 and round steel 70, can adopt the welding, accomplish the second angle steel again, first angle steel and fastening screw three's fixed connection, can adopt the nut fastening, accomplish first steel sheet 21 and first peg 82 again, fixed connection between second steel sheet 22 and the second peg 83, for example, adopt welding mode fixed connection, under the condition that work load significantly reduced, the installation effect is superior to traditional structure with stability.
It should be noted that, old form structure has adopted and has put the mode that sets up central stopper at the steel sheet central point and realize the location and spacing of horizontal displacement in-process, and its structure exists that central stopper receives the extrusion and the damaged condition of the side direction that comes from the expansion joint inner wall, and the utility model discloses because the atress of elastic element is along elastic element's axial, and from the tip conduction, consequently it does not have the problem of old form structure for product life and structural stability obtain effectively promoting.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An expansion joint anchoring structure comprises an expansion joint arranged in a foundation concrete layer and a first steel plate covering the expansion joint, wherein an elastic material layer is arranged above the first steel plate, and a first steel bar is arranged in the elastic material layer;
two ends of the first steel plate are respectively connected with a second angle steel;
the first angle steel and the first steel bar are both positioned in the elastic material layer;
the elastic material layer is located in a groove structure formed by the first steel plate and the two second angle steels.
2. The anchoring structure for an expansion joint according to claim 1, wherein one end of the first steel plate is connected to the second angle steel through an elastic unit, and the elastic unit is located at one side of the expansion joint.
3. The anchoring structure for an expansion joint according to claim 2, wherein the elastic unit is made of sponge rubber.
4. The anchoring structure for an expansion joint according to claim 2, wherein a second steel plate is provided below the first steel plate on one side of the expansion joint;
the elastic unit and the second angle steel positioned on one side of the elastic unit are both positioned on the second steel plate.
5. The anchoring structure for the expansion joint according to claim 1, wherein a second steel bar is arranged in the foundation concrete layer, any second angle steel is fixedly connected with the second steel bar through a round steel, and the second steel bar and the round steel are preset in the foundation concrete layer during casting.
6. The anchoring structure for the expansion joint according to claim 1, wherein the first angle steel and the second angle steel which are positioned on the same side of the first steel plate are connected with each other through a fastening screw rod, the fastening screw rod sequentially penetrates through bolt holes arranged on the first angle steel and the second angle steel from top to bottom and then extends into the foundation concrete layer, and the fastening screw rod is preset in the foundation concrete layer during pouring forming.
7. The anchoring structure for an expansion joint according to claim 6, wherein a third steel bar is arranged in the foundation concrete layer, the third steel bar is preset in the foundation concrete layer during casting, and an extending end of the fastening screw is fixedly connected with the third steel bar.
8. The anchoring structure for an expansion joint according to claim 1, wherein a first pin is fixedly connected below the first steel plate, the first pin is fixedly connected downwards to a fourth steel bar arranged in the foundation concrete layer, and the first pin and the fourth steel bar are preset in the foundation concrete layer when the foundation concrete layer is poured.
9. The anchoring structure for an expansion joint according to claim 4, wherein a second pin is fixedly connected below the second steel plate, the second pin is fixedly connected downwards with a fifth steel bar arranged in the foundation concrete layer, and the second pin and the fifth steel bar are preset therein when the foundation concrete layer is poured.
10. An expansion joint anchoring structure according to any one of claims 1 to 9, wherein said base concrete layer is a concrete layer made of polymer concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922065498.0U CN211547315U (en) | 2019-11-26 | 2019-11-26 | Expansion joint anchoring structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922065498.0U CN211547315U (en) | 2019-11-26 | 2019-11-26 | Expansion joint anchoring structure |
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| CN211547315U true CN211547315U (en) | 2020-09-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673080A (en) * | 2022-04-11 | 2022-06-28 | 四川寰宇富兴科技有限公司 | Novel prefabricated modularized seamless bridge expansion device and construction method thereof |
| WO2024139905A1 (en) * | 2022-12-30 | 2024-07-04 | 江苏长路智造科技有限公司 | Low-poisson's-ratio elastomer, seamless expansion device, and construction process |
-
2019
- 2019-11-26 CN CN201922065498.0U patent/CN211547315U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673080A (en) * | 2022-04-11 | 2022-06-28 | 四川寰宇富兴科技有限公司 | Novel prefabricated modularized seamless bridge expansion device and construction method thereof |
| WO2024139905A1 (en) * | 2022-12-30 | 2024-07-04 | 江苏长路智造科技有限公司 | Low-poisson's-ratio elastomer, seamless expansion device, and construction process |
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