CN209854546U - Assembled concrete hollow slab hinge joint connection structure - Google Patents
Assembled concrete hollow slab hinge joint connection structure Download PDFInfo
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- CN209854546U CN209854546U CN201920299908.5U CN201920299908U CN209854546U CN 209854546 U CN209854546 U CN 209854546U CN 201920299908 U CN201920299908 U CN 201920299908U CN 209854546 U CN209854546 U CN 209854546U
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- chain
- hinge joint
- chain rod
- rod
- sleeve
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Abstract
The utility model discloses an assembly type concrete hollow slab hinge joint connecting structure, which comprises hollow slabs which are arranged in parallel at equal intervals in sequence and hinge joints formed between adjacent hollow slabs; the chain rod groups are sequentially distributed in the hinge joint along the extension direction of the hinge joint; each chain rod group comprises four chain rods which are arranged in the hinge joint at equal intervals, and the four chain rods are respectively a first chain rod, a second chain rod, a third chain rod and a fourth chain rod; the first chain rod and the second chain rod are the same in length and are horizontally connected with two adjacent hollow plates, the first chain rod is positioned at the upper part of the hinge joint, and the second chain rod is positioned at the lower part of the hinge joint; the third chain rod and the fourth chain rod are the same in length and are connected with two adjacent hollow plates in an inclined mode, and the inclined angles of the third chain rod and the fourth chain rod are complementary; the four chain rods are arranged along the extending direction of the hinge joint in sequence of a first chain rod, a third chain rod, a fourth chain rod and a second chain rod. The utility model discloses strengthened assembled hollow slab bridge transverse connection, strengthened the anti-shearing of hinge joint, bending resistance effect.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, concretely relates to assembled concrete hollow slab hinge joint connection structure.
Background
The fabricated concrete hollow slab is widely used in highway construction at home and abroad due to a plurality of beneficial factors such as light dead weight, convenient construction, good structural performance, large-scale factory prefabrication and the like. Generally, the transverse connection of the bridge is realized by virtue of cast-in-place hinge joints, so that all the prefabricated hollow slabs are combined into a whole to bear force together, and therefore the connection mode and quality of the hinge joints are directly related to the integral stress performance of the upper structure of the hollow slab beam. In recent years, the built highway bridges are investigated, and the hinge joints of the hollow slab bridges are found to have a common disease, which is shown by cracks on the bridge deck and the bottom slab along the longitudinal direction of the hinge joints. The use function of part of the concrete hollow slab bridge is seriously influenced, and even the condition of single slab stress occurs, so that the stress of the hollow slab is greater than the design load, and the safety of the structure is endangered. The diseases are caused by the fact that the transverse connection of the prefabricated hollow slab bridge is insufficient to a certain extent.
Disclosure of Invention
To the defect among the prior art and not enough, the utility model provides an assembled concrete hollow slab hinge joint structure overcomes defects such as current assembled hollow slab bridge transverse relation is not enough.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a hinge joint connecting structure of an assembly type concrete hollow slab comprises hollow slabs which are arranged in parallel at equal intervals in sequence and hinge joints formed between adjacent hollow slabs; the chain rod groups are sequentially distributed in the hinge joint along the extension direction of the hinge joint;
each chain rod group comprises four chain rods which are arranged in the hinge joint at equal intervals, and the four chain rods are respectively a first chain rod, a second chain rod, a third chain rod and a fourth chain rod;
the first chain rod and the second chain rod are the same in length and are horizontally connected with two adjacent hollow plates, the first chain rod is positioned at the upper part of the hinge joint, and the second chain rod is positioned at the lower part of the hinge joint;
the third chain rod and the fourth chain rod are the same in length and are connected with two adjacent hollow plates in an inclined mode, and the inclined angles of the third chain rod and the fourth chain rod are complementary;
the four chain rods are arranged along the extending direction of the hinge joint in sequence of a first chain rod, a third chain rod, a fourth chain rod and a second chain rod.
The utility model discloses still include following technical characteristic:
optionally, the chain bar comprises a sleeve with threads on the inner walls of the two ends, two screws capable of screwing into the two ends of the sleeve in the same direction, and a rotary handrail arranged on the outer wall of the sleeve.
Optionally, the end of the screw rod, which is far away from the sleeve, is a spherical end, a spherical limiting sleeve is sleeved outside the spherical end, and the spherical end can rotate in the spherical limiting sleeve;
the spherical limiting sleeve is embedded in the side wall of the hollow plate.
Optionally, there are two of the rotary armrests, and the two rotary armrests are located in the middle of the sleeve and symmetrically distributed along the sleeve; the structure of the rotary armrest is a triangular frame structure.
Optionally, the opposite side walls of two adjacent hollow plates are two symmetrical side walls of a corrugated structure, and the side walls of the corrugated structure sequentially comprise an upper vertical wall, an upper inclined wall, a middle vertical wall, a lower inclined wall and a lower vertical wall from top to bottom;
the distance between two upper vertical walls and the distance between two lower vertical walls of the two wave-shaped structure side walls are equal and are the minimum distance between the two wave-shaped structure side walls.
Optionally, the spherical limiting sleeves are embedded in the middle of the upper vertical wall, the middle of the upper inclined wall, the middle of the lower inclined wall and the middle of the lower vertical wall.
Optionally, the distance between two adjacent chain bars is 1m, and the distance between two adjacent groups of chain bars is 1 m.
Compared with the prior art, the utility model, profitable technological effect is:
the utility model discloses an increase the chain pole in hinge position department to undertake partial shear force and moment of flexure, and play the effect that increases horizontal relation between the plate girder, finally promote the common atress of each piece roof beam. And because the transverse connection between the adjacent hollow slabs is increased, the engagement force between the cast-in-place concrete at the hinge joint position and the prefabricated hollow slab is larger, and the transmission of the shear force at the hinge joint position is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the chain bar structure of the present invention.
Fig. 4 is a cross section view of the assembled prestressed hollow slab bridge of the present invention.
In the figure, the reference numbers are 1-hollow plate, 2-hinge joint, 3-chain rod, 4-support, 5-capping beam and 6-pile foundation;
11-upper vertical wall, 12-upper inclined wall, 13-middle vertical wall, 14-lower inclined wall, 15-lower vertical wall;
31-first chain link, 32-second chain link, 33-third chain link, 34-fourth chain link;
301-sleeve, 302-screw, 303-rotary handrail, 304-spherical end, 305-spherical stop collar.
Detailed Description
The hinge joint mainly refers to post-cast concrete between the prefabricated plate girders and plays a role in connecting the two plate girders. The hinge joint adopted by the design of the early assembled hollow slab bridge is small in size, so that the early assembled hollow slab bridge cannot meet the deformation and stress requirements under the repeated action of load in the aspects of strength and rigidity, the early assembled hollow slab bridge is damaged, and the hinge joint damage proportion of the small-span bridge is large. The hinge joint is damaged, so that the adhesive force between the post-cast hinge joint and the prefabricated hollow slab is reduced, and the capability of transmitting horizontal shear force of the hinge joint is greatly reduced. The utility model discloses an increase the chain pole in hinge position department to undertake partial shear force and moment of flexure, and play the effect that increases horizontal relation between the plate girder, finally promote the common atress of each piece roof beam. The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1 to 4, an assembled concrete hollow slab hinge joint connecting structure includes hollow slabs 1 arranged in parallel at equal intervals in sequence and hinge joints 2 formed between adjacent hollow slabs 1; the chain rod group is sequentially arranged in the hinge joint 2 along the extension direction of the hinge joint 2; each chain rod group comprises four chain rods 3, the four chain rods 3 are arranged in the hinge joint 2 at equal intervals, and the four chain rods 3 are respectively a first chain rod 31, a second chain rod 32, a third chain rod 33 and a fourth chain rod 34; the first chain bar 31 and the second chain bar 32 are the same in length and are horizontally connected with two adjacent hollow plates, the first chain bar 31 is positioned at the upper part of the hinge joint, and the second chain bar 32 is positioned at the lower part of the hinge joint; the third chain bar 33 and the fourth chain bar 34 have the same length and are obliquely connected with two adjacent hollow plates, and the inclination angles of the third chain bar 33 and the fourth chain bar 34 are complementary; the four links are arranged in the direction of the hinge extension in the order of a first link 31, a third link 33, a fourth link 34 and a second link 32. Through the technical scheme, the utility model discloses the hinge seam position between hollow core slab arranges the chain pole, has strengthened assembled hollow slab bridge transverse connection, has strengthened the anti-shearing of hinge seam, bending resistance effect.
In the specific embodiment of the present invention, the chain bar 3 comprises a sleeve 301 with threads on the inner walls of both ends, two screws 302 capable of screwing into both ends of the sleeve 301 in the same direction, and a rotary armrest 303 arranged on the outer wall of the sleeve 301; the length of the chain bar 3 can be adjusted by rotating the armrest 303 so that the chain bar 3 is in a suitable force range.
The end part of the screw 302 far away from the sleeve 301 is a spherical end 304, a spherical limiting sleeve 305 is sleeved outside the spherical end 304, and the spherical end 304 can rotate in the spherical limiting sleeve 305; the spherical stop collar 305 is pre-embedded in the side wall of the hollow slab 1.
More specifically, there are two rotary armrests 303, and the two rotary armrests 303 are located in the middle of the sleeve 301 and symmetrically distributed along the sleeve 301; the structure of the rotary armrest 303 is a triangular frame structure, and the length of the chain bar 3 can be conveniently adjusted by rotating the armrest 303.
In the embodiment, the opposite side walls of two adjacent hollow plates 1 are two symmetrical side walls with a waveform structure, and the side walls with the waveform structure sequentially comprise an upper vertical wall 11, an upper inclined wall 12, a middle vertical wall 13, a lower inclined wall 14 and a lower vertical wall 15 from top to bottom; the distance between the two upper vertical walls 11 and the distance between the two lower vertical walls 15 of the two wave-shaped structure side walls are equal and are the minimum distance between the two wave-shaped structure side walls; therefore, a hinge joint structure with small upper and lower ports and large middle volume is formed, so that the engagement force between the cast-in-place concrete and the prefabricated hollow slab at the hinge joint position is larger, and the transmission of the shear force at the hinge joint position is facilitated.
Spherical limiting sleeves 305 are embedded in the middle of the upper vertical wall 11, the middle of the upper inclined wall 12, the middle of the lower inclined wall 14 and the middle of the lower vertical wall 15; therefore, the first chain bar 31 and the second chain bar 32 are the same in length and are horizontally connected with two adjacent hollow plates, the first chain bar 31 is positioned at the upper part of the hinge joint, and the second chain bar 32 is positioned at the lower part of the hinge joint; the third chain bar 33 and the fourth chain bar 34 have the same length and are obliquely connected with two adjacent hollow plates, and the inclination angles of the third chain bar 33 and the fourth chain bar 34 are complementary.
In the present embodiment, the distance between two adjacent link bars 3 is 1m, and the distance between two adjacent sets of link bars is 1 m.
As shown in fig. 4, a support 4 is arranged below the hollow plates 1 which are sequentially arranged in parallel at equal intervals along the horizontal direction, a cover beam 5 is arranged below the support 4, and a bridge pile foundation 6 is arranged below the cover beam 5.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (7)
1. The hinge joint connecting structure of the assembled concrete hollow slab comprises hollow slabs (1) which are arranged in parallel at equal intervals in sequence and hinge joints (2) formed between the adjacent hollow slabs (1); the chain is characterized by also comprising a plurality of groups of chain rod groups which are sequentially arranged in the hinge joint (2) along the extension direction of the hinge joint (2);
each chain rod group comprises four chain rods (3), the four chain rods (3) are arranged in the hinge joint (2) at equal intervals, and the four chain rods (3) are respectively a first chain rod (31), a second chain rod (32), a third chain rod (33) and a fourth chain rod (34);
the first chain rod (31) and the second chain rod (32) are the same in length and are horizontally connected with two adjacent hollow plates, the first chain rod (31) is located at the upper part of the hinge joint, and the second chain rod (32) is located at the lower part of the hinge joint;
the third chain bar (33) and the fourth chain bar (34) are the same in length and are obliquely connected with two adjacent hollow plates, and the inclination angles of the third chain bar (33) and the fourth chain bar (34) are complementary;
the four chain rods are arranged along the extending direction of the hinge joint and sequentially comprise a first chain rod (31), a third chain rod (33), a fourth chain rod (34) and a second chain rod (32).
2. The fabricated concrete hollow panel hinge joint construction according to claim 1, wherein the chain bar (3) comprises a sleeve (301) having threads on the inner wall of both ends, two threaded rods (302) which can be screwed into both ends of the sleeve (301) in the same direction, and a rotary handle (303) provided on the outer wall of the sleeve (301).
3. The fabricated concrete hollow plate hinge joint structure as claimed in claim 2, wherein the end of the screw rod (302) far away from the sleeve (301) is a spherical end (304), a spherical limiting sleeve (305) is sleeved outside the spherical end (304), and the spherical end (304) can rotate in the spherical limiting sleeve (305);
the spherical limiting sleeve (305) is embedded in the side wall of the hollow slab (1).
4. The fabricated concrete hollow slab hinge joint structure as claimed in claim 2, wherein the number of the rotating armrests (303) is two, and the two rotating armrests (303) are positioned in the middle of the sleeve (301) and are symmetrically distributed along the sleeve (301); the structure of the rotary armrest (303) is a triangular frame structure.
5. The fabricated concrete hollow slab hinge joint structure as claimed in claim 3, wherein the opposite side walls of two adjacent hollow slabs (1) are two symmetrical wave-shaped structural side walls, and the wave-shaped structural side walls sequentially comprise an upper vertical wall (11), an upper inclined wall (12), a middle vertical wall (13), a lower inclined wall (14) and a lower vertical wall (15) from top to bottom;
the distance between two upper vertical walls (11) and the distance between two lower vertical walls (15) of the two wave-shaped structure side walls are equal and are the minimum distance between the two wave-shaped structure side walls.
6. The fabricated concrete hollow slab hinge joint connection structure according to claim 5, wherein the spherical position-limiting sleeves (305) are embedded in the middle of the upper vertical wall (11), the middle of the upper inclined wall (12), the middle of the lower inclined wall (14) and the middle of the lower vertical wall (15).
7. The fabricated concrete hollow panel hinge joint construction according to claim 1, wherein the distance between two adjacent link rods (3) is 1m, and the distance between two adjacent sets of link rods is 1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299908.5U CN209854546U (en) | 2019-03-08 | 2019-03-08 | Assembled concrete hollow slab hinge joint connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299908.5U CN209854546U (en) | 2019-03-08 | 2019-03-08 | Assembled concrete hollow slab hinge joint connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209854546U true CN209854546U (en) | 2019-12-27 |
Family
ID=68933143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920299908.5U Expired - Fee Related CN209854546U (en) | 2019-03-08 | 2019-03-08 | Assembled concrete hollow slab hinge joint connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209854546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206498A (en) * | 2020-01-16 | 2020-05-29 | 姜江 | Road bridge construction prefabricated plate connection structure |
| CN113235385A (en) * | 2021-03-27 | 2021-08-10 | 天津市泽琪水泥构件有限公司 | Assembled hollow slab beam |
-
2019
- 2019-03-08 CN CN201920299908.5U patent/CN209854546U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206498A (en) * | 2020-01-16 | 2020-05-29 | 姜江 | Road bridge construction prefabricated plate connection structure |
| CN113235385A (en) * | 2021-03-27 | 2021-08-10 | 天津市泽琪水泥构件有限公司 | Assembled hollow slab beam |
| CN113235385B (en) * | 2021-03-27 | 2022-02-18 | 天津市泽琪水泥构件有限公司 | Assembled hollow slab beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 Termination date: 20210308 |