CN213925845U - Expansion joint structure for corrugated steel plate-concrete combined structure - Google Patents
Expansion joint structure for corrugated steel plate-concrete combined structure Download PDFInfo
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- CN213925845U CN213925845U CN202022520821.1U CN202022520821U CN213925845U CN 213925845 U CN213925845 U CN 213925845U CN 202022520821 U CN202022520821 U CN 202022520821U CN 213925845 U CN213925845 U CN 213925845U
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Abstract
The utility model discloses an expansion joint structure for a corrugated steel plate-concrete combined structure, which relates to the technical field of building components and comprises two flanges which are respectively connected with adjacent corrugated steel plates, wherein the two flanges are arranged in parallel, and at least two telescopic plates which can be stretched are arranged between the two flanges; one end of the corrugated steel plate connected with the flange extends to the outer side of the edge of the concrete structure, elastic filler is filled between adjacent concrete structures, and the filler is arranged on the outer sides of the flange and the expansion plate and on the upper surface of the corrugated steel plate. The two parallel flanges are connected with the adjacent corrugated steel plates, and the expansion plate between the two flanges is utilized to adapt to the deformation of the corrugated steel plate-concrete combined structure; meanwhile, the deformation of the corrugated steel plate-concrete combined structure is adapted by the elastic fillers between adjacent concrete structures, outside the flange and the expansion plate and on the upper surface of the corrugated steel plate. The utility model discloses can guarantee corrugated steel board-concrete structure's stability, prolong its life.
Description
Technical Field
The utility model relates to a building element technical field especially relates to a corrugated steel plate-concrete is expansion joint structure for integrated configuration.
Background
The steel corrugated plate structure is a novel building structure, has the characteristic of transverse compensation displacement, has better adaptive deformability, and is widely applied to the engineering fields of tunnels, bridges, culverts, underground pipe galleries, underground pipelines and the like. However, in some arch culvert engineering structures with large span and high bearing load and strength requirements, the strength of the steel corrugated plate is simply used, so that the requirement of the engineering cannot be met, a structure formed by combining reinforced concrete and corrugated steel is usually used as a support, and the bearing capacity of the whole structure is fully improved through the integral stress and synergistic effect of the steel corrugated plate and the concrete. However, the existing concrete and corrugated steel mixed structure has poor deformation resistance due to the existence of the concrete. In the later use process, the corrugated steel composite structure is easy to damage due to terrain settlement or other external force. Telescoping devices are required at spaced intervals to accommodate settling and other changes in the structure. However, at present, no expansion joint suitable for the corrugated steel-concrete structure is available, and the expansion joint of the existing structure has poor expansion and contraction properties, which can affect the service life of the building.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a corrugated steel plate-expansion joint structure for concrete integrated configuration, be applicable to corrugated steel plate-concrete integrated configuration, can adapt to the elasticity performance of concrete and corrugated steel plate simultaneously, prolong corrugated steel plate-concrete integrated configuration's life.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
an expansion joint structure for a corrugated steel plate-concrete combined structure comprises two flanges which are respectively connected with adjacent corrugated steel plates, wherein the two flanges are arranged in parallel, and at least two telescopic plates which can be expanded and contracted are arranged between the two flanges; one end of the corrugated steel plate connected with the flange extends to the outer side of the edge of the concrete structure, elastic filler is filled between adjacent concrete structures, and the filler is arranged on the outer sides of the flange and the expansion plate and on the upper surface of the corrugated steel plate.
Preferably, the expansion plate is an arc-shaped steel plate, the end parts of the arc-shaped steel plates are connected with the flange, and the middle parts of the two arc-shaped steel plates are provided with telescopic supporting structures.
Preferably, the telescopic supporting structure comprises a telescopic rod and a spring, the spring is sleeved outside the telescopic rod, and two ends of the spring and the telescopic rod are fixedly connected with the middle parts of the two arc-shaped steel plates respectively.
Preferably, the telescopic rod comprises an outer sleeve and an inner sleeve, opposite ends of the outer sleeve and the inner sleeve are sleeved and matched, and the other ends of the outer sleeve and the inner sleeve are fixedly connected with the middle parts of the two arc-shaped steel plates respectively; the spring is sleeved outside the outer sleeve and the inner sleeve.
Preferably, the top of the filler is paved with a protection plate, and two ends of the protection plate are arranged above the concrete structures on two sides.
Preferably, the arc surfaces of the two arc-shaped steel plates are arranged towards one side of the corrugated steel plate.
Preferably, the arc surfaces of the two arc-shaped steel plates are arranged oppositely.
Preferably, the end part of the expansion plate is fixedly connected with the flange through bolts or welding.
Preferably, a reinforcing rib plate is arranged between the corrugated steel plate and the flange, the reinforcing rib plate is in a right trapezoid shape, the bottom edge of the reinforcing rib plate is abutted against the top of the corrugated steel plate, and the side vertical surface of the reinforcing rib plate is fixed by being attached to the surface of the flange.
Preferably, the filler is a polyurethane foam material.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model has the advantages that two parallel flanges are respectively connected with the tail ends of the adjacent corrugated steel plates, at least two telescopic plates which can be stretched and contracted are arranged between the two flanges, and the deformation of the corrugated steel plate-concrete combined structure is adapted by means of the telescopic plates; meanwhile, elastic fillers are filled between adjacent concrete structures, outside the flanges and the telescopic plates and the upper surface of the corrugated steel plate, and the deformation of the corrugated steel plate-concrete combined structure is adapted by the elasticity of the fillers. The utility model is used to adapt to the expansion amount of the corrugated steel plate-concrete structure, can ensure the stability of the corrugated steel plate-concrete structure and prolong the service life of the corrugated steel plate-concrete composite structure.
Drawings
Fig. 1 is a schematic structural view of an expansion joint structure for a corrugated steel plate-concrete composite structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an expansion joint structure for a corrugated steel plate-concrete composite structure according to another embodiment of the present invention;
fig. 3 is a schematic structural view of the telescopic supporting structure of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is an enlarged view of a portion of FIG. 1 at B;
in the figure: 01-corrugated steel plate, 02-concrete structure, 03-arc plate, 04-connecting bolt, 05-support plate and 06-steel bar; 1-flange, 2-expansion plate, 3-filler, 4-expansion rod, 41-outer sleeve and 42-inner sleeve; 5-spring, 6-protective plate and 7-reinforcing rib plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the technical solutions in the embodiments of the present invention are described below clearly and completely with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, an expansion joint structure for a corrugated steel plate-concrete composite structure provided in an embodiment of the present invention includes two flanges 1 respectively connected to adjacent corrugated steel plates 01, the two flanges 1 are arranged side by side, and at least two retractable panels 2 capable of being retracted are disposed between the two flanges 1; one end of the corrugated steel plate 01 connected with the flange 1 extends to the outer side of the edge of the concrete structure 02, elastic fillers 3 are filled between adjacent concrete structures 02, and the fillers 3 are arranged on the outer sides of the flange 1 and the expansion plate 2 and on the upper surface of the corrugated steel plate 01. The elasticity of the expansion plates and the filler in the structure is adopted to adapt to the expansion amount between adjacent corrugated steel plate-concrete composite structures, so that the stability of the corrugated steel plate-concrete structure in the use process is ensured.
In a specific embodiment of the present invention, as shown in fig. 1, 2 and 4, the expansion plate 2 is an arc-shaped steel plate, the end portion of the arc-shaped steel plate is connected to the flange 1, and the middle portions of the two arc-shaped steel plates are provided with the expansion support structure. The middle of the arc-shaped steel plate is bent into an arc shape, and the middle of the arc-shaped steel plate is bent into a horizontal state and a vertical state towards the two ends in sequence, and the tail end of the arc-shaped steel plate is kept in the vertical state and is conveniently connected with a flange. The flange can be made of steel plates.
The utility model discloses a specific embodiment, as shown in fig. 1, 2, 3, flexible bearing structure includes telescopic link 4 and spring 5, spring 5 suit is in the outside of telescopic link 4, the both ends of spring 5 and telescopic link 4 link firmly with the middle part of two arc steel sheets respectively. The telescopic rod 4 comprises an outer sleeve 41 and an inner sleeve 42, opposite ends of the outer sleeve 41 and the inner sleeve 42 are sleeved and combined, and the other ends of the outer sleeve 41 and the inner sleeve 42 are fixedly connected with the middle parts of the two arc-shaped steel plates respectively; the spring 5 is sleeved outside the outer sleeve 41 and the inner sleeve 42. When the gap of the expansion joint of the adjacent corrugated steel plate-concrete composite structure is reduced or increased, the two arc-shaped steel plates can be pressed or pulled, so that the distance between the two arc-shaped steel plates can be changed, the outer sleeve and the inner sleeve of the outer sleeve spring are adapted to the change of the distance of the expansion joint between the two arc-shaped steel plates, and the outer sleeve and the inner sleeve are used for supporting.
In a specific embodiment of the present invention, as shown in fig. 1, 2 and 4, a protection plate 6 is laid on top of the filler 3, and both ends of the protection plate 6 are disposed above the two-sided concrete structure 02. The protection plate 6 can adopt corrugated plates to adapt to the distance change of expansion joints between adjacent corrugated steel plate-concrete combined structures. The damage to the expansion joint in the process of backfilling the material can be avoided by the aid of the protection plate.
In a specific embodiment of the present invention, as shown in fig. 1, the arc surfaces of the two arc-shaped steel plates are all disposed toward one side of the corrugated steel plate 01. Or, in another embodiment shown in fig. 2, the arc surfaces of the two arc-shaped steel plates are arranged oppositely. Two arc steel sheets adopt above-mentioned two kinds of structures, and the homoenergetic can realize adjusting the purpose at expansion joint.
During specific manufacturing, the end part of the expansion plate 2 is fixedly connected with the flange 1 through bolt connection or welding. The bolt connection is optimized, and the telescopic plate and the flange can be conveniently recycled in the later period.
Further optimizing the technical scheme, as shown in fig. 1 and 2, a reinforcing rib plate 7 is arranged between the corrugated steel plate 01 and the flange 1, the reinforcing rib plate 7 is in a right-angle trapezoid shape, the bottom edge of the reinforcing rib plate 7 is abutted against the top of the corrugated steel plate 01, and the side vertical surface of the reinforcing rib plate 7 is fixed by being attached to the surface of the flange 1. During specific manufacturing, the reinforcing rib plates are arranged at intervals, and the flange can be reinforced by the reinforcing rib plates.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the filler 3 is a polyurethane foam. The expansion joint is filled with the polyurethane foaming material, so that the construction is convenient, the forming is fast, the cohesiveness is good, and the waterproof, heat-insulation and corrosion-resistant advantages are realized.
In addition, in the construction process of the corrugated steel plate-concrete composite structure, shear parts are arranged in the arc-shaped groove of the bottom corrugated steel plate at intervals, each shear part comprises an arc-shaped plate 03, a connecting bolt 04 and a supporting plate 05, the arc-shaped plates 03 are abutted to the arc-shaped groove of the corrugated steel plate 01, the connecting bolts penetrate through the corrugated steel plate, the arc-shaped plates and the supporting plates in sequence, and nuts are screwed outside the corrugated steel plate and on the inner sides of the arc-shaped plates and the supporting plates for fixation; in addition, the upper end bending part of the connecting bolt is matched with a steel bar 06 in the concrete structure, and the connecting bolt and the concrete are poured into a whole, so that the pulling resistance of the shear member is enhanced. The shear force between the corrugated steel plate and concrete combined structures can be effectively transmitted by utilizing the shear force piece.
The utility model provides an expansion joint structure for deck plate-concrete integrated configuration has simple structure, preparation convenience, low cost's advantage with prior art, and convenient construction is swift, utilizes two arc steel sheets to adapt to deck plate-concrete integrated configuration's expansion joint change, realizes the flexonics of two arc steel sheets with the help of spring and telescopic link. Utilize the utility model discloses can adapt to adjacent corrugated steel plate-concrete composite structure's expansion joint clearance change, and then guarantee corrugated steel plate-concrete structure's stability in the use, prolong its life.
The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a corrugated steel plate-concrete is expansion joint structure for integrated configuration which characterized in that: the corrugated steel plate comprises two flanges which are respectively connected with adjacent corrugated steel plates, the two flanges are arranged in parallel, and at least two telescopic plates which can be stretched are arranged between the two flanges; one end of the corrugated steel plate connected with the flange extends to the outer side of the edge of the concrete structure, elastic filler is filled between adjacent concrete structures, and the filler is arranged on the outer sides of the flange and the expansion plate and on the upper surface of the corrugated steel plate.
2. The expansion joint structure for a deck plate-concrete composite structure according to claim 1, wherein: the expansion plate is an arc-shaped steel plate, the end parts of the arc-shaped steel plates are connected with the flange, and the middle parts of the two arc-shaped steel plates are provided with telescopic supporting structures.
3. The expansion joint structure for a deck plate-concrete composite structure according to claim 2, wherein: the telescopic supporting structure comprises a telescopic rod and a spring, the spring is sleeved outside the telescopic rod, and two ends of the spring and the telescopic rod are fixedly connected with the middle parts of the two arc-shaped steel plates respectively.
4. The expansion joint structure for a deck plate-concrete composite structure according to claim 3, wherein: the telescopic rod comprises an outer sleeve and an inner sleeve, opposite ends of the outer sleeve and the inner sleeve are sleeved and matched, and the other ends of the outer sleeve and the inner sleeve are fixedly connected with the middle parts of the two arc-shaped steel plates respectively; the spring is sleeved outside the outer sleeve and the inner sleeve.
5. The expansion joint structure for a deck plate-concrete composite structure according to claim 1, wherein: and a protection plate is laid at the top of the filler, and two ends of the protection plate are arranged above the concrete structures on two sides.
6. The expansion joint structure for a deck plate-concrete composite structure according to claim 2, wherein: the arc surfaces of the two arc-shaped steel plates are arranged towards one side of the corrugated steel plate.
7. The expansion joint structure for a deck plate-concrete composite structure according to claim 2, wherein: the arc surfaces of the two arc-shaped steel plates are arranged oppositely.
8. The expansion joint structure for a deck plate-concrete composite structure according to claim 2, wherein: the end part of the arc-shaped steel plate is fixedly connected with the flange through bolts or welding.
9. The expansion joint structure for a deck plate-concrete composite structure according to claim 1, wherein: and a reinforcing rib plate is arranged between the corrugated steel plate and the flange, the reinforcing rib plate is in a right trapezoid shape, the bottom edge of the reinforcing rib plate is abutted against the top of the corrugated steel plate, and the side vertical surface of the reinforcing rib plate is fixed by being tightly attached to the surface of the flange.
10. The expansion joint structure for a deck plate-concrete composite structure according to any one of claims 1 to 9, wherein: the filler is a polyurethane foam material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520821.1U CN213925845U (en) | 2020-11-04 | 2020-11-04 | Expansion joint structure for corrugated steel plate-concrete combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022520821.1U CN213925845U (en) | 2020-11-04 | 2020-11-04 | Expansion joint structure for corrugated steel plate-concrete combined structure |
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| Publication Number | Publication Date |
|---|---|
| CN213925845U true CN213925845U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022520821.1U Active CN213925845U (en) | 2020-11-04 | 2020-11-04 | Expansion joint structure for corrugated steel plate-concrete combined structure |
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| CN (1) | CN213925845U (en) |
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