CN211872631U - Connecting device for bridge panels - Google Patents
Connecting device for bridge panels Download PDFInfo
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- CN211872631U CN211872631U CN201922237369.5U CN201922237369U CN211872631U CN 211872631 U CN211872631 U CN 211872631U CN 201922237369 U CN201922237369 U CN 201922237369U CN 211872631 U CN211872631 U CN 211872631U
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- upper flange
- bridge deck
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 12
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model is suitable for a bridge construction technical field provides a connecting device of bridge panel. The utility model provides a connecting device of bridge panel, include: the main beam comprises an upper flange, the precast slab comprises a channel steel, the channel steel is provided with an overhanging part protruding out of the body of the precast slab, the overhanging part of the channel steel is fixedly connected with the upper flange, and the precast slab and the upper flange form a bottom plate of the bridge panel. The prefabricated slab comprising the channel steel and the upper flange fixedly connected with the channel steel and the main beam are arranged, so that the prefabricated slab is supported, the connecting device is simple in structure, and the supporting piece does not need to be detached, so that the time is saved; and need not to set up the outside support piece except prefabricated plate and girder, avoided the influence to the convenient of underbridge traffic.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, especially, relate to a connecting device of bridge panel.
Background
The composite structure bridge mainly comprises two parts, namely a main beam and an overhanging bridge panel, when the overhanging bridge panel is built, a template is generally required to be arranged on the main beam for supporting, and then concrete is cast on the template in situ to form the overhanging bridge panel. Under the condition that the formwork engineering quantity is great or the main beam can not completely support the formwork, a full framing scaffold is usually required to be arranged, the construction process of erecting the scaffold in the horizontal direction is required to be fully paved, the construction period is long due to the fact that the density of the scaffold is relatively high, and convenience of traffic under a bridge is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a connecting device of bridge panel to solve combination bridge construction cycle length and influence convenient technical problem of traffic.
In order to solve the above problem, the embodiment of the present invention provides a technical solution that:
the embodiment of the utility model provides a connecting device of bridge panel, connecting device of bridge panel includes: a main beam comprising an upper flange; the prefabricated slab comprises a body and a channel, the channel comprises a built-in part positioned in the body and an overhanging part protruding from the side face of the body, the side face of the body of the prefabricated slab abuts against the side face of the upper flange, and the overhanging part of the channel is placed on the upper surface of the upper flange; and the connecting part is fixedly connected with the overhanging part of the channel steel and the upper flange, and the precast slab and the upper flange form a bottom plate of the bridge panel.
Furthermore, a first screw hole penetrating through the upper flange along the vertical direction is formed in the upper flange, and the connecting part penetrates through the first screw hole to be connected with the outward extending part of the channel steel and the upper flange.
Furthermore, the overhanging part of the channel steel is provided with a second screw hole which penetrates through the overhanging part along the vertical direction, the second screw hole can be communicated with the first screw hole, and the connecting part penetrates through the first screw hole and the second screw hole to be connected with the overhanging part of the channel steel and the upper flange.
Further, the connecting member of the precast slab includes a bolt, the bolt passes through the first screw hole and the second screw hole to fixedly connect the overhanging portion of the channel steel and the upper flange, and the upper surface of the upper flange and the upper surface of the body of the precast slab form the surface of the bottom plate of the bridge deck.
Furthermore, the number of the bolts is multiple, and the bolts are arranged at intervals along the length direction of the channel steel.
Further, in the length direction of the steel channel, the length ratio of the overhanging portion of the steel channel placed on the upper surface of the upper flange to the steel channel is greater than 1/4 and less than 1/2.
Further, in the length direction of the steel channel, the length ratio of the overhanging portion of the steel channel placed on the upper surface of the upper flange to the upper flange is greater than 1/2 and less than 3/4.
Furthermore, reinforcing steel bars are arranged in the precast slab body and distributed around the built-in part of the channel steel.
Furthermore, bent ribs are arranged on the upper surface of the prefabricated plate body.
Further, the bent rib includes: an outer convex portion provided above the body of the prefabricated panel; and the embedded part is arranged in the body of the precast slab.
The embodiment of the utility model provides a connecting device of bridge panel, include: the main beam comprises an upper flange, a precast slab comprising a channel steel, the channel steel is provided with an overhanging part protruding out of the body of the precast slab, the overhanging part of the channel steel is fixedly connected with the upper flange, and the precast slab and the upper flange form a bottom plate of the bridge panel. The prefabricated slab comprising the channel steel and the upper flange fixedly connected with the channel steel and the main beam are arranged, so that the prefabricated slab is supported, the connecting device is simple in structure, and the supporting piece does not need to be detached, so that the time is saved; and need not to set up the outside support piece except prefabricated plate and girder, avoided the influence to the convenient of underbridge traffic.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a connecting device for bridge panels according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a main beam of a connecting device for bridge panels according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a prefabricated slab in a connecting device for bridge panels according to an embodiment of the present invention.
Description of reference numerals:
10-bridge deck slab; 11-a main beam; 111-top flange; 12-precast slab; 121-precast slab body; 122-channel steel; 1221-built-in section of channel steel; 1222-channel overhang; 13-a connecting member; 14-bending the rib; 141-a convex portion; 142-embedding part; 15-reinforcing steel bars.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and 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.
The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various combinations of the specific features of the present invention are not described separately.
In a specific embodiment, the connecting device of the bridge panel can be applied to the construction process of various small, medium and large bridges, for example, the connecting device can be used for river-crossing bridges, river-crossing bridges and pedestrian overpasses in urban transportation hubs; the connecting device of the bridge deck can also be applied in the construction process of building construction, for example, the connecting device can be used for building overhanging floor sections of a building. The following description will take the connecting device as an example for the construction process of bridge deck of pedestrian bridge.
As shown in FIG. 1, the utility model provides a connecting device of bridge panels, connecting device includes: the prefabricated slab comprises a main beam 11, the prefabricated slab 12 and a connecting part 13, wherein the connecting part 13 fixes the prefabricated slab 12 on the main beam 11.
As shown in fig. 2, the main beam 11 includes a top flange 111. Specifically, the main beam 11 may be a concrete main beam, a steel-concrete mixed main beam, or a laminated main beam, and may have other shapes such as "i" shape, "T" shape, and "7", and the upper flange 111 of the main beam 11 may be a flat plate extending in the horizontal direction, and the lower side of the flat plate is supported by the web. The bottom of the main beam 11 may be fixed by concrete or other fixed connection to a foundation, which may be a pier or bridge constructed of concrete or stone, or the entire ground.
As shown in fig. 1, the precast slab 12 includes a body 121 and a channel 122, the channel 122 includes a built-in portion 1221 (shown in fig. 3) inside the body 121 and an overhanging portion 1222 protruding from a side of the body, the side of the body 121 of the precast slab 12 abuts against a side of the upper flange 111, and the overhanging portion 1222 of the channel 122 is placed on an upper surface of the upper flange 111.
Specifically, as shown in fig. 1, the overhanging portion 1222 of the channel 122 protrudes from one side surface of the slab body 121, where the side surface of the body 121 is a surface perpendicular to the longitudinal direction of the body 121, and the longitudinal direction of the body 121 is a direction extending in the direction with the largest dimension. The specific length of the overhanging portion 1222 of the channel 122 can be adjusted according to the length of the top flange 111 and the actual engineering requirements, and the length of the embedded portion 1221 (shown in fig. 3) of the channel 122 can be equal to the length of the precast slab body 121, so as to provide good support for the subsequent bridge deck. The number of the channel steels 122 can be multiple, and the channel steels are uniformly arranged in the precast slab body 121, that is: the length directions of the channel steels are parallel, and the distance between the adjacent channel steels can be the same in the direction perpendicular to the length directions. In addition, the channel 122 may be a rigid material with a groove-shaped cross section or other shapes, and it should be noted that the rigid material refers to a material that does not deform or deforms a little after being stressed. The built-in portion 1221 provided inside the prefabricated panel body 121, the overhanging portion 1222 protruding from the prefabricated panel body 121, and the prefabricated panel body 121 together constitute the prefabricated panel 12, and improve the supporting capability of the prefabricated panel 12.
As shown in fig. 1, the connecting member 13 is fixedly connected to the overhanging portion 1222 of the channel 122 and the upper flange 111, and the precast slab 122 and the upper flange 111 form a bottom plate of the bridge deck 10. Specifically, the overhanging portion 1222 of the channel 122 is placed on the upper surface of the upper flange 111 to provide a connecting member, and the connecting member is fixedly connected to the upper surface of the upper flange 111 by using a bolt, a pin, a bolt, or the like, or by using a welding method to fix the overhanging portion 1222 of the channel 122 on the upper surface of the upper flange 111, and the position of the precast slab 12 is fixed so that the precast slab and the upper flange 111 form the bottom plate of the bridge deck 10.
The prefabricated slab is fixed on the main beam by arranging the main beam comprising the upper flange and the prefabricated slab comprising the channel steel, wherein the channel steel is provided with an overhanging part which protrudes out of the body of the prefabricated slab, the overhanging part and the upper flange of the channel steel are fixedly connected, and the prefabricated slab and the upper flange form a bottom plate of the bridge panel. The connecting device of the bridge panel is simple in structure, does not need to be provided with external supporting pieces except the precast slab and the main beam, saves construction time, and avoids influence on convenience of transportation under the bridge.
Optionally, a first screw hole penetrating through the upper flange 111 in the vertical direction is formed in the upper flange 111, and the connecting member passes through the first screw hole to connect the overhanging portion 1222 of the channel section 122 and the upper flange 111. Specifically, the number of the first screw holes can be multiple, and the specific arrangement positions of the first screw holes on the upper flange 11 meet the requirements of the interval, the aperture size and the position specified on the engineering construction design drawing. Alternatively, the first screw hole may be a through hole penetrating through the upper flange 111 in the vertical direction, or may be a blind hole opened in the upper flange 111 in the vertical direction, so that the connecting member 13 may pass through the first screw hole to connect the overhanging portion 1222 of the channel 122, and the prefabricated slab 12 is more firmly disposed on the main beam 11.
Optionally, as shown in fig. 1, the overhanging portion 1222 of the channel 122 is provided with a second screw hole penetrating through the overhanging portion 1222 in the vertical direction, the second screw hole may communicate with the first screw hole, and the connecting member passes through the first screw hole and the second screw hole to connect the overhanging portion 1222 of the channel 122 and the upper flange 111. Specifically, the second screw holes may be through holes that penetrate through the overhanging portion 1222 of the channel-section 122 in the vertical direction, the number of the second screw holes formed in the overhanging portion 1222 of the channel-section 122 may be multiple, and the specific positions of the second screw holes correspond to the positions of the first screw holes formed in the upper flange 111, so that after the prefabricated plate 12 is placed on the main beam 11, the first screw holes and the second screw holes may be communicated in the vertical direction, so that the connecting member may pass through the first screw holes and the second screw holes at the same time, and the prefabricated plate 12 is more firmly disposed on the main beam 11.
Alternatively, as shown in fig. 1, the connecting member 13 of the precast slab 12 is a bolt, which passes through the first and second bolt holes to fixedly connect the overhanging portion 1222 of the channel 122 and the upper flange 111, and the upper surface of the upper flange 111 and the upper surface of the body 121 of the precast slab 12 form the surface of the bottom plate of the bridge deck 10. Specifically, the bolts may be provided in plural numbers, and each of the bolts passes through the first and second bolt holes to connect the overhanging portion 1222 of the channel section 122 and the upper flange 111, so as to firmly fix the prefabricated panel 12 to the main beam 11. Meanwhile, the length of the overhanging portion 1222 of the channel 122 disposed on the upper surface portion of the upper flange 111 can also be adjusted according to the actual engineering requirement, so as to form the bottom plate of the bridge deck 10 meeting the engineering requirement.
Optionally, the number of the bolts is multiple, and the bolts are arranged at intervals along the length direction of the channel steel. Specifically, the bolt may include: a high-strength screw; a self-locking nut; and the bolt is formed by matching with the high-strength screw rod. The high-strength screw is made of high-strength steel, and a large pretightening force is required to be applied to generate sufficient friction force when the high-strength screw is used, so that the integrity and the rigidity of connection are improved. The bolt comprises a screw rod, a nut, an anti-skid washer and other components, wherein the screw rod can be a high-strength screw rod to ensure the stability of the connection between the prefabricated slab 12 and the upper flange 111, and the nut can be a self-locking nut and is matched with the high-strength screw rod to form the bolt, so that the problem that the nut is automatically loosened due to the vibration of the bridge to cause the damage of the bridge is avoided.
Optionally, in the length direction of the channel section 122, the ratio of the length of the overhanging portion 1222 of the channel section 122 placed on the upper surface of the upper flange 111 to the length of the channel section 122 is greater than 1/4 and less than 1/2. Specifically, in a state where the side surface of the main body 121 of the precast slab 12 abuts against the side surface of the upper flange 111, the overhanging portion 1222 of the channel 122 is placed on the upper surface of the upper flange 111, and at this time, the ratio of the length of the overhanging portion 1222 of the channel 122 to the length of the channel 122 may be 1/4 to 1/2, and by providing the connecting member 13 on the overhanging portion 1222 of the channel 122, the connection strength between the precast slab 12 and the upper flange 111 can be ensured, and the usage amount of the channel can be saved. As shown in fig. 3, the channel 122 may include a light channel having a groove-shaped cross section. Under the condition that satisfies the engineering demand, light-duty channel-section steel is lighter than ordinary channel-section steel weight, does benefit to the engineering construction, saves the engineering time, and wherein the built-in part setting of light-duty channel-section steel is in prefabricated plate body 121, and the overhanging part setting passes through adapting unit fixed connection with the upper surface on top flange 111, and a plurality of light-duty channel-sections can evenly set up in prefabricated plate body 121, strengthen prefabricated plate 12's load-carrying capacity, promote the wholeness ability of bridge.
Optionally, in the length direction of the channel, the ratio of the length of the overhanging portion 1222 of the channel 122 placed on the upper surface of the upper flange 111 to the length of the upper flange 111 is greater than 1/2 and less than 3/4. Specifically, in a state where the side surface of the main body 121 of the precast slab 12 abuts against the side surface of the upper flange 111, the overhanging portion 1222 of the channel 122 is placed on the upper surface of the upper flange 111, and at this time, the length ratio of the overhanging portion 1222 of the channel 122 to the upper flange 111 can be 1/2 to 3/4, so that a sufficient space is ensured for arranging a plurality of connecting components, and the connecting strength between the precast slab and the upper flange is improved.
Optionally, as shown in fig. 3, reinforcing steel bars 15 are arranged in the precast slab body 121, and the reinforcing steel bars 15 are distributed around the built-in portion 1221 of the channel 122. Specifically, the cross section of the steel bars 15 may be circular or square, and the diameter, number and distance between the steel bars 15 may be adjusted according to the bearing condition of the prefabricated slab 12 in the actual engineering. The concrete position of the reinforcing bars 15 in the panel body 121 may be provided in the upper and lower regions of the built-in portion 1221 of the channel 122, or may be provided in the left and right regions of the built-in portion 1221 of the channel 122. By arranging the reinforcing steel bars 15 in the precast slab body 121, the bearing capacity of the precast slab 12 can be improved, thereby improving the overall reliability of the bridge.
Optionally, as shown in fig. 3, the upper surface of the precast slab body 121 is provided with a bent rib 14, and the bent rib 14 includes: an outward convex portion 141 provided above the precast panel body 121; and the embedded part 142 is arranged in the precast slab body 121. Specifically, the bent ribs 14 may be distributed on the upper surface of the prefabricated slab body 121 in an array manner, and the specific distribution distance between two adjacent bent ribs 14 should meet the requirement of construction strength. The bent ribs 14 at different positions on the precast slab body 121 can be specifically adjusted in the distribution density of the bent ribs 14, the diameter of the bent ribs 14, or the height of the outer convex portions 141 and the embedded depth of the embedded portions 142 of the bent ribs 14 according to the actual required bonding strength between the precast slab 12 and the bridge deck 10. The bent ribs 14 are provided on the precast slab body 121, so that the bonding strength between the bridge deck 10 and the precast slab 12 can be improved, and the built-in portion 1221 of the channel steel is further provided in the precast slab body 121, thereby improving the overall reliability of the bridge.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A bridge deck connection device, comprising:
a main beam comprising an upper flange;
the prefabricated slab comprises a body and a channel, the channel comprises a built-in part positioned in the body and an overhanging part protruding from the side face of the body, the side face of the body of the prefabricated slab abuts against the side face of the upper flange, and the overhanging part of the channel is placed on the upper surface of the upper flange;
and the connecting part is fixedly connected with the overhanging part of the channel steel and the upper flange, and the precast slab and the upper flange form a bottom plate of the bridge panel.
2. The connecting device for bridge deck according to claim 1, wherein said upper flange is formed with a first screw hole penetrating through said upper flange in a vertical direction, and said connecting member is inserted through said first screw hole to connect said overhanging portion of said channel and said upper flange.
3. The bridge deck connection device according to claim 2, wherein the overhanging portion of the channel is provided with a second screw hole vertically penetrating through the overhanging portion, the second screw hole is capable of communicating with the first screw hole, and the connection member passes through the first screw hole and the second screw hole to connect the overhanging portion of the channel and the upper flange.
4. The coupling structure of a bridge deck as claimed in claim 3, wherein the coupling parts of the prefabricated panels comprise bolts fixedly coupled to the overhanging portions of the channel and the upper flanges through the first and second screw holes, and the upper surfaces of the upper flanges and the upper surface of the body of the prefabricated panels form the surface of the bottom plate of the bridge deck.
5. A bridge deck connection according to claim 4, wherein there are a plurality of said bolts spaced apart along the length of said channel.
6. The bridge deck connection apparatus of claim 1 or 2, wherein a length ratio of an overhang portion of the channel placed on an upper surface of the upper flange to the channel in a length direction of the channel is greater than 1/4 and less than 1/2.
7. The bridge deck connection apparatus of claim 1 or 2, wherein a length ratio of an overhang portion of the channel placed on an upper surface of the upper flange to the upper flange in a length direction of the channel is greater than 1/2 and less than 3/4.
8. The connecting device for bridge deck according to claim 1, wherein the reinforcing bars are provided in the prefabricated panel body, and the reinforcing bars are distributed around the built-in portion of the channel.
9. The connecting device of a bridge deck as claimed in claim 1, wherein the upper surface of the body of the prefabricated panel is provided with a bent rib.
10. A bridge deck connection according to claim 9, wherein said bent ribs comprise:
an outer convex portion provided above the body of the prefabricated panel;
and the embedded part is arranged in the body of the precast slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237369.5U CN211872631U (en) | 2019-12-13 | 2019-12-13 | Connecting device for bridge panels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922237369.5U CN211872631U (en) | 2019-12-13 | 2019-12-13 | Connecting device for bridge panels |
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| Publication Number | Publication Date |
|---|---|
| CN211872631U true CN211872631U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922237369.5U Active CN211872631U (en) | 2019-12-13 | 2019-12-13 | Connecting device for bridge panels |
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| CN (1) | CN211872631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172874A (en) * | 2019-12-13 | 2020-05-19 | 中铁第四勘察设计院集团有限公司 | Construction method of bridge panel and connecting device thereof |
| CN113513178A (en) * | 2021-03-02 | 2021-10-19 | 江苏吴中建设集团有限公司 | Rack-shaped seam assembly type beam plate |
-
2019
- 2019-12-13 CN CN201922237369.5U patent/CN211872631U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111172874A (en) * | 2019-12-13 | 2020-05-19 | 中铁第四勘察设计院集团有限公司 | Construction method of bridge panel and connecting device thereof |
| CN113513178A (en) * | 2021-03-02 | 2021-10-19 | 江苏吴中建设集团有限公司 | Rack-shaped seam assembly type beam plate |
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