CN214613664U - Device for enhancing transverse rigidity of bridge in T-beam reinforcement construction - Google Patents
Device for enhancing transverse rigidity of bridge in T-beam reinforcement construction Download PDFInfo
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- CN214613664U CN214613664U CN202120731624.6U CN202120731624U CN214613664U CN 214613664 U CN214613664 U CN 214613664U CN 202120731624 U CN202120731624 U CN 202120731624U CN 214613664 U CN214613664 U CN 214613664U
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Abstract
The embodiment of the utility model provides a relate to bridge reinforcement technical field, disclose a device that is arranged in T roof beam to consolidate construction reinforcing bridge transverse rigidity. The utility model comprises two limiting brackets, wherein the two limiting brackets are arranged on two sides of the bottom of the T beam and are fixed with the bottom of the T beam in a butt joint way; the pull rod is fixedly connected with the two limiting brackets respectively, and the axis of the pull rod is perpendicular to the axis of the T-shaped beam; the connecting piece, the both ends of pull rod are equallyd divide and are equipped with a connecting piece respectively to the tip that makes two adjacent pull rods passes through connecting piece fixed connection. The embodiment of the utility model provides a device that is arranged in T roof beam to consolidate reinforcing bridge transverse rigidity in construction can solve the bridge diaphragm and connect the inefficacy disease and last and consolidate during the construction must carry with semi-closed totally closed problem even to bridge floor traffic limit.
Description
Technical Field
The utility model relates to a bridge reinforcement technical field, in particular to a device that is arranged in T roof beam to consolidate construction and strengthens bridge transverse rigidity.
Background
The T-beam is used as a prefabricated bridge structure, has high economical efficiency, durability and practicability, and is widely applied to all levels of roads in China. According to the theory of assembled bridge design, the transverse stiffness of the T-beam is provided primarily by the diaphragms, which generally provide the majority of the transverse stiffness, and the cast-in-place layer of the deck.
When the bottom connection of the transverse clapboard of the T-shaped beam fails, the transverse rigidity of the bridge is greatly weakened, and the single-beam stress state is easily generated, so that the distributed load effect exceeds the bearing capacity of the beam body, and the beam body is bent and cracked near the midspan. In order to ensure the operation safety of the bridge, during the continuous failure of the diaphragm plate connection and the reinforcing construction period, the load of bridge deck traffic is limited, semi-closed or even totally closed, so that the road passing efficiency is greatly influenced, and adverse social and economic influences are caused. However, at present, no temporary reinforcing device capable of rapidly, nondestructively and effectively improving the transverse rigidity of the T-shaped beam exists in China.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device that is arranged in reinforcing construction of T roof beam reinforcing bridge lateral stiffness for can solve the bridge diaphragm and connect the inefficacy disease and last and consolidate and must carry and semi-closed totally closed problem even to bridge floor traffic limit during the construction.
In order to solve the technical problem, an embodiment of the utility model provides a device for enhancing the transverse rigidity of a bridge in the T-beam reinforcement construction, which comprises two limiting brackets, wherein the two limiting brackets are oppositely arranged on two sides of the bottom of the T-beam and are fixedly abutted against the bottom of the T-beam; the pull rod is fixedly connected with the two limiting brackets respectively, and the axis of the pull rod is perpendicular to the axis of the T-shaped beam; the connecting piece, the both ends of pull rod are equallyd divide and are equipped with a connecting piece respectively to the tip that makes two adjacent pull rods passes through connecting piece fixed connection.
In addition, a rubber gasket is arranged between the limiting bracket and the T-shaped beam. Through set up the rubber gasket between spacing bracket and T roof beam, increase the frictional force between spacing bracket and the T roof beam, prevent the steel of spacing bracket and the surperficial direct contact of T beam bottom simultaneously, cause the damage of T roof beam bottom surface.
In addition, spacing bracket includes connecting portion and kink, and spacing bracket includes connecting portion and kink, kink and connecting portion fixed connection, and the one end that the kink was kept away from to connecting portion is equipped with mounting plate, mounting plate and pull rod fixed connection, and the kink becomes the obtuse angle setting with connecting portion, and two kinks orientation of the bottom both sides of T roof beam buckle each other and are close to. The limiting bracket comprises a connecting portion and a bending portion, the bending portion is fixedly connected with the connecting portion, a mounting base plate is arranged at one end, away from the bending portion, of the connecting portion, the mounting base plate is fixedly connected with the pull rod, the bending portion and the connecting portion form an obtuse angle, and two bending portions on two sides of the bottom of the T-shaped beam are bent towards each other to be close to each other. Make spacing bracket pass through the connecting portion with T roof beam bottom centre gripping in order to realize the spacing of horizontal direction at central point, carry out spacing in the vertical side to T roof beam bottom by the kink again, improve the spacing fixed ability of spacing bracket to the T roof beam.
In addition, the connecting piece comprises a base steel plate, the base steel plate is fixedly connected with the end part of the pull rod, and the base steel plate is perpendicular to the axis of the pull rod. Include the base steel sheet through setting up the connecting piece, the tip fixed connection of base steel sheet and pull rod, and the axis of base steel sheet perpendicular to pull rod for can be connected through the fixed completion of base steel sheet each other between two pull rods, make a plurality of pull rods form wholly.
In addition, the connecting piece still includes the steel sheet of putting more energy into, and the steel sheet of putting more energy into has a plurality ofly, and steel sheet fixed connection of putting more energy into is between pull rod and base steel sheet. Still include the steel sheet of putting more energy into through setting up the connecting piece, the steel sheet fixed connection of putting more energy into has improved the joint strength between base steel sheet and the pull rod between pull rod and the base steel sheet.
In addition, the edge of the base steel plate is provided with a plurality of connecting holes, the pull rod is fixed at the center of the base steel plate, and the connecting holes are symmetrically arranged by taking the center of the base steel plate as a symmetric center. Through setting up a plurality of connecting holes at the edge of base steel sheet, the pull rod is fixed in the center of base steel sheet, and a plurality of connecting holes use the center of base steel sheet to set up as symmetry center symmetry for when the tip of two pull rods set up relatively, carry out fixed connection to two pull rods through the connecting hole of base steel sheet by the bolt.
In addition, the length of the pull rod is smaller than the distance between every two adjacent T-shaped beams. The length of each pull rod is smaller than the distance between every two adjacent T-shaped beams, so that a connecting piece is arranged between every two adjacent pull rods.
In addition, the pull rod, the connecting part and the bent part are all made of H-shaped steel. Make for H shaped steel through setting up the pull rod, connecting portion and kink are H shaped steel and make for pull rod and spacing bracket have higher intensity.
The utility model discloses embodiment carries out the centre gripping through spacing bracket to each T bottom of the roof beam of bridge and fixes for prior art, then uses the pull rod to fix spacing bracket to strengthen bridge transverse rigidity when not influencing the bridge normal current, prevent that the roof beam body from appearing striding near middle fracture of being bent. In addition, the end parts of the pull rods are fixedly connected by the connecting pieces, so that the devices at the bottom of each T beam are connected into a whole, the strength and the stability are high, the technical problems that the connection failure of the transverse partition plates of the T beams is continuous, and the bridge deck traffic is limited and semi-closed or even totally closed during the reinforcing construction are solved, the bridge deck traffic is not influenced, and the market blank that no temporary reinforcing device capable of quickly, nondestructively and effectively improving the transverse rigidity of the T beam exists in China is filled.
Drawings
Fig. 1 is a schematic structural view of a device for enhancing the transverse rigidity of a bridge in T-beam reinforcement construction according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a device for enhancing the transverse rigidity of a bridge in T-beam reinforcement construction according to a first embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of an apparatus for enhancing the lateral rigidity of a bridge in T-beam reinforcement construction according to a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of an apparatus for enhancing the lateral rigidity of a bridge in T-beam reinforcement construction according to a first embodiment of the present invention;
fig. 5 is a schematic structural view of a connecting member according to a first embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a connector according to a first embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The T-beam is used as a prefabricated bridge structure, has high economical efficiency, durability and practicability, and is widely applied to all levels of roads in China. According to the theory of assembled bridge design, the transverse stiffness of the T-beam is provided primarily by the diaphragms, which generally provide the majority of the transverse stiffness, and the cast-in-place layer of the deck.
When the bottom connection of the transverse clapboard of the T-shaped beam fails, the transverse rigidity of the bridge is greatly weakened, and the single-beam stress state is easily generated, so that the distributed load effect exceeds the bearing capacity of the beam body, and the beam body is bent and cracked near the midspan. In order to ensure the operation safety of the bridge, during the continuous failure of the diaphragm plate connection and the reinforcing construction period, the load of bridge deck traffic is limited, semi-closed or even totally closed, so that the road passing efficiency is greatly influenced, and adverse social and economic influences are caused. However, at present, no temporary reinforcing device capable of rapidly, nondestructively and effectively improving the transverse rigidity of the T-shaped beam exists in China.
The utility model discloses a first embodiment relates to a device that is arranged in T roof beam to consolidate reinforcing bridge transverse rigidity in construction, as shown in fig. 1 to 6, a device that is arranged in T roof beam reinforcing construction reinforcing bridge transverse rigidity includes spacing bracket 1, pull rod 2 and connecting piece 4. The two limiting brackets 1 are arranged on two sides of the bottom of the T beam 7 relatively and are fixedly connected with the bottom of the T beam 7 in an abutting mode. The pull rod 2 is fixedly connected with the two limiting brackets 1 respectively, and the axis of the pull rod 2 is perpendicular to the axis of the T-shaped beam 7. Two ends of the pull rod 2 are respectively provided with a connecting piece 4, so that the end parts of two adjacent pull rods 2 are fixedly connected through the connecting pieces 4.
When needs are consolidated the bridge, to 7 bottoms of each T roof beam of bridge, carry out spacing fixed through spacing bracket 1, be fixed in 7 bottoms of T roof beam with pull rod 2 through spacing bracket 1 again, the pull rod 2 of 7 bottoms of every T roof beam passes through mutual fixed connection between connecting piece 4 to it is whole to link. The limiting bracket 1 can be fixedly connected with the pull rod 2 through the high-strength bolt 6, and can also be fixedly connected through welding. The connecting pieces 4 at the two ends of the pull rod 2 are fixedly connected with the pull rod 2 through welding, and the connecting pieces 4 are fixedly connected through high-strength bolts 6.
Wherein, spacing bracket 1, pull rod 2 and connecting piece 4 all can be prefabricated in the mill, then transport to the job site and accomplish and assemble, have improved the holistic processing of device and conveying efficiency.
In this embodiment, carry out the centre gripping through 7 bottoms of each T roof beam of spacing bracket 1 to the bridge and fix, then use pull rod 2 to fix spacing bracket 1 to strengthen bridge transverse rigidity when not influencing the bridge normal traffic, prevent that the roof beam body from appearing striding near the fracture of being bent. In addition, the end parts of the pull rods 2 are fixedly connected by the connecting pieces 4, so that the devices at the bottom of each T beam 7 are connected into a whole, the strength and the stability are high, the technical problems that the connection failure of the diaphragm plates of the T beams 7 is continuous, and the bridge deck traffic is limited and semi-closed or even totally closed during the reinforcing construction are solved, the bridge deck traffic is not influenced, and the market blank that no temporary reinforcing device capable of quickly, nondestructively and effectively improving the transverse rigidity of the T beams 7 exists in China is filled.
A rubber gasket 3 is arranged between the limiting bracket 1 and the T-shaped beam 7. Through set up rubber gasket 3 between spacing bracket 1 and T roof beam 7, increase the frictional force between spacing bracket 1 and the T roof beam 7, prevent the surface direct contact of the steel of spacing bracket 1 and the T roof beam 7 bottom simultaneously, cause the damage of T roof beam 7 bottom surface.
The connecting piece 4 comprises a base steel plate 41, the base steel plate 41 is fixedly connected with the end part of the pull rod 2, and the base steel plate 41 is perpendicular to the axis of the pull rod 2. Include base steel sheet 41 through setting up connecting piece 4, base steel sheet 41 and the tip fixed connection of pull rod 2, and the axis of base steel sheet 41 perpendicular to pull rod 2 for can be fixed each other through base steel sheet 41 between two pull rods 2 and accomplish the connection, make a plurality of pull rods 2 form wholly.
The connecting piece 4 further comprises a stiffening steel plate 42, and the stiffening steel plate 42 is fixedly connected between the pull rod 2 and the base steel plate 41. Still include the steel sheet 42 of putting more energy through setting up connecting piece 4, the steel sheet 42 fixed connection of putting more energy between pull rod 2 and base steel sheet 41 has improved the joint strength between base steel sheet 41 and the pull rod 2.
The edge of base steel sheet 41 is equipped with a plurality of connecting holes 5, and pull rod 2 fixed connection is in the center of base steel sheet 41, and a plurality of connecting holes 5 use the geometric centre of base steel sheet 41 to set up as symmetry centrosymmetry. Through set up a plurality of connecting holes 5 at the edge of base steel sheet 41, pull rod 2 is fixed in the geometric centre of base steel sheet 41, and a plurality of connecting holes 5 use the geometric centre of base steel sheet 41 to set up as the symmetry centre symmetry for when the tip of two pull rods 2 sets up relatively, carry out fixed connection to two pull rods 2 through connecting hole 5 of base steel sheet 41 by high strength bolt 6.
The length of the pull rod 2 is smaller than the distance between every two adjacent T-shaped beams 7. The length of each pull rod 2 is smaller than the distance between every two adjacent T-shaped beams 7, so that the connecting piece 4 is arranged between every two adjacent pull rods 2.
The tie rod 2, the connecting portion 11 and the bent portion 12 are all made of H-shaped steel. For H shaped steel make through setting up pull rod 2, connecting portion 11 and kink 12 are H shaped steel and make for pull rod 2 and spacing bracket 1 have higher intensity.
In addition, a rib plate 14 can be arranged between the limiting bracket 1 and the pull rod 2, so that the connection strength between the limiting bracket 1 and the pull rod 2 is improved, and the supporting stability of the limiting bracket 1 is improved.
The utility model discloses a theory of operation: when the T roof beam takes place to connect inefficacy, utilize two relative settings in the fixed T roof beam of 1 centre gripping of spacing bracket in T roof beam both sides to through the connection in proper order of a plurality of pull rods 2, form the holistic fixed of T roof beam, thereby realize a plurality of pull rod 2 interconnect, in order to be in the same place a plurality of T roof beams are fixed simultaneously, improve the stability between a plurality of T roof beams, improve the holistic spacing stability ability of device.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (8)
1. A device that is arranged in reinforcing construction of T roof beam reinforcing to strengthen bridge lateral rigidity, its characterized in that includes:
two limiting brackets are arranged, are oppositely arranged on two sides of the bottom of the T-shaped beam and are fixedly abutted against the bottom of the T-shaped beam;
the pull rods are fixedly connected with the two limiting brackets respectively, and the axis of each pull rod is perpendicular to the axis of the T-shaped beam;
the connecting piece, the both ends of pull rod are equallyd divide and are equipped with one the connecting piece to make two adjacent the tip of pull rod pass through connecting piece fixed connection.
2. The device for enhancing the transverse rigidity of the bridge in the T-beam reinforcement construction according to claim 1, wherein a rubber gasket is arranged between the limiting bracket and the T-beam.
3. The device for enhancing the transverse rigidity of the bridge in the T-shaped beam reinforcement construction according to claim 2, wherein the limiting bracket comprises a connecting portion and a bending portion, the bending portion is fixedly connected with the connecting portion, a mounting bottom plate is arranged at one end of the connecting portion away from the bending portion, the mounting bottom plate is fixedly connected with the pull rod, the bending portion and the connecting portion are arranged at an obtuse angle, and two bending portions on two sides of the bottom of the T-shaped beam are bent towards each other to be close to each other.
4. The device for enhancing the transverse rigidity of the bridge in the T-beam reinforcement construction is characterized in that the connecting piece comprises a base steel plate, the base steel plate is fixedly connected with the end part of the pull rod, and the base steel plate is perpendicular to the axis of the pull rod.
5. The device for enhancing the transverse rigidity of the bridge in the T-beam reinforcement construction is characterized in that the connecting piece further comprises a stiffening steel plate, and the stiffening steel plate is fixedly connected between the pull rod and the base steel plate.
6. The device for enhancing the transverse rigidity of the bridge in the T-beam reinforcement construction according to claim 5, wherein a plurality of connecting holes are formed in the edge of the base steel plate, the pull rod is fixed in the center of the base steel plate, and the plurality of connecting holes are symmetrically formed with the center of the base steel plate as a symmetrical center.
7. The device for enhancing the transverse rigidity of the bridge in the T-beam reinforcement construction according to claim 6, wherein the length of the pull rod is less than that of every two adjacent T-beams arranged at intervals.
8. The device for enhancing the transverse rigidity of the bridge in the T-beam reinforcement construction according to claim 7, wherein the pull rod, the connecting part and the bent part are all made of H-shaped steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120731624.6U CN214613664U (en) | 2021-04-10 | 2021-04-10 | Device for enhancing transverse rigidity of bridge in T-beam reinforcement construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120731624.6U CN214613664U (en) | 2021-04-10 | 2021-04-10 | Device for enhancing transverse rigidity of bridge in T-beam reinforcement construction |
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| Publication Number | Publication Date |
|---|---|
| CN214613664U true CN214613664U (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120731624.6U Active CN214613664U (en) | 2021-04-10 | 2021-04-10 | Device for enhancing transverse rigidity of bridge in T-beam reinforcement construction |
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- 2021-04-10 CN CN202120731624.6U patent/CN214613664U/en active Active
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