CN210315244U - V-shaped longitudinal joint connecting device for UHPC prefabricated bridge deck slab - Google Patents
V-shaped longitudinal joint connecting device for UHPC prefabricated bridge deck slab Download PDFInfo
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- CN210315244U CN210315244U CN201920932821.7U CN201920932821U CN210315244U CN 210315244 U CN210315244 U CN 210315244U CN 201920932821 U CN201920932821 U CN 201920932821U CN 210315244 U CN210315244 U CN 210315244U
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- bridge deck
- reinforcing bar
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 78
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 180
- 239000010959 steel Substances 0.000 claims abstract description 180
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 59
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims description 12
- 238000010079 rubber tapping Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- 239000004567 concrete Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004566 building material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge connection, in particular to a V-shaped longitudinal joint connecting device of a UHPC prefabricated bridge deck slab, which comprises a longitudinally arranged round steel, a steel plate device and a reinforcing steel bar device connected with a segment of the UHPC bridge deck slab; the steel plate device comprises a left steel plate and a right steel plate, the included angle between the left steel plate and the right steel plate is less than 180 degrees, and the inner surface of the left steel plate and the inner surface of the right steel plate are both connected with round steel; the reinforcing bar device comprises a left reinforcing bar and a right reinforcing bar, the left reinforcing bar is connected with the outside of the left steel plate, and the right reinforcing bar is connected with the outside of the right steel plate. The utility model provides an do not have the defect of special seam concatenation construction equipment that indulges for UHPC decking festival section among the prior art, reach high efficiency and indulge the purpose of seam concatenation construction UHPC decking festival section.
Description
Technical Field
The utility model relates to a bridge connection technical field especially relates to a prefabricated bridge decking V type of UHPC is indulged seam connecting device.
Background
The ultra-high performance concrete (UHPC) is a novel building material with durability and high toughness, wherein the compressive strength of the novel building material is more than 150 MPa. Due to the ultra-high strength of UHPC materials, the possibility of manufacturing special-shaped structures or building structure forms which cannot meet the requirements of conventional materials is realized, and the possibility of manufacturing wider bridge decks is also realized.
The existing bridge deck splicing construction does not have the construction of a UHPC bridge deck segment longitudinal joint. The existing bridge deck prefabricated part for manufacturing concrete materials generally has two construction methods: one is that the bridge deck is not used as a main stress member of the structure, but is only used as an auxiliary member, and whether the bridge deck joint exists or not and whether the bridge deck joint needs to be processed do not affect the structural safety of the bridge at the moment, and the processing of the bridge joint is relatively simple, or the processing of the bridge joint is not needed; the other is that the width of the bridge deck plate is small, the bridge deck plate can be formed at a prefabricating field at one time, and no seam processing is needed. The bridge is constructed by adopting the ultra-high performance concrete as a main structural material, the UHPC is usually used as a main girder material, the common concrete is used as a main bridge deck material, and the UHPC and the common concrete are combined in a shear key mode. Therefore, the high-strength characteristic of UHPC and the low-price advantage of common concrete can be simultaneously exerted. At the moment, the bridge deck made of the common concrete is usually cast in place, and longitudinal joint treatment is not needed. However, when the width of the bridge deck is required to be wide and the UHPC material is required to be used for the deck slab due to its weight, appearance, durability, etc., the bridge structure must be treated in sections when the bridge is prefabricated due to the restrictions of transportation vehicles and road management departments. Some bridge segmental construction adopts transverse joint connection, namely the bridge is divided into a plurality of sections and connected through shear keys and prestressed steel beams. In the prior art, most bridge subsection construction adopts transverse seam connection, and almost no longitudinal seam connection is adopted. The transverse integrity of the transverse seam connecting bridge is stronger, and the longitudinal integrity of the longitudinal seam connecting bridge is stronger. The existing bridge deck slab is made of common concrete structure, the thickness of the bridge deck slab is large, the joint is easy to process, and the bridge deck slab joint made of UHPC material is not found in actual engineering at present. At present, no practical device is used for construction of the UHPC bridge deck slab segment longitudinal joint.
Therefore, there is a need for improvement of the prior art to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a UHPC prefabricated bridge decking V type longitudinal joint connecting device solves the technical problem that can't accomplish UHPC prefabricated bridge decking longitudinal joint and connect among the prior art. The method is realized by the following technical scheme:
the designed V-shaped longitudinal joint connecting device for the UHPC prefabricated bridge deck slab comprises round steel and a steel plate device which are longitudinally arranged and a steel bar device connected with a section of the UHPC bridge deck slab, wherein the direction vertical to the length direction of the bridge deck slab is transverse, and the direction parallel to the length direction of the bridge deck slab is longitudinal; the steel plate device comprises a left steel plate and a right steel plate, the lowest end of the left steel plate can be connected with the lowest end of the right steel plate, the included angle between the left steel plate and the right steel plate is less than 180 degrees, the left steel plate and the right steel plate are arranged relative to the ground in a mirror image mode through the plane of the central axis of the round steel, the inner surface of the left steel plate and the inner surface of the right steel plate are connected with the round steel, the surfaces of the left steel plate and the right steel plate facing the round steel are inner surfaces, otherwise, the surfaces are outer surfaces, the inner surface of the left steel plate and the inner surface of the right steel plate are V-shaped, after the steel plate device and the round steel are connected, gaps between the steel plate device and the round steel can be filled with foam, stones and; the reinforcing bar device includes left reinforcing bar and right reinforcing bar, and left reinforcing bar is connected with the outside of left steel sheet, and right reinforcing bar is connected with the outside of right steel sheet, and left reinforcing bar and right reinforcing bar are connected with left UHPC decking festival section and the UHPC decking festival section on right side respectively, can be in advance with reinforcing bar device and steel sheet device connection back, place on the template of UHPC decking festival, pour behind the UHPC decking festival again to be connected the steel sheet device and round steel.
Further, the contained angle of left side steel sheet and right steel sheet sets up to 30, and the inner face of left side steel sheet, right steel sheet becomes the V style of calligraphy, and with the round steel cooperation in the middle of, forms a similar triangle-shaped's frame, and 30 contained angle stability between left side steel sheet and the right steel sheet is better.
Further, the connected mode of steel sheet device and reinforcing bar device is the trompil plug welding and is connected, sets up the trompil on the steel sheet device earlier, makes things convenient for the installation of steel sheet device and reinforcing bar device, also can separate the transportation with steel sheet device and reinforcing bar device earlier during transportation this device, and the installation again after reacing the job site connects also comparatively firmly.
Further, the connected mode of round steel and steel sheet device is full weld connection, will prepare to weld the place of all contacts of steel sheet device and round steel together and all carry out the fusion welding, it is more firm after the welding, prevent to connect the splice together the longitudinal joint construction deviation problem that UHPC decking festival section leads to because of manufacturing error, can adjust left steel sheet, the hookup location of right steel sheet and round steel, make the top surface of the UHPC decking festival section of splicing in advance be at same height, and make the certain waterproof ability that possesses of seam crossing.
Further, the reinforcing bar device includes 2 layers of reinforcing bar that set up in the vertical direction, and the net height setting of reinforcing bar apart from the upper and lower surface of UHPC decking section is 20mm, and 2 layers of reinforcing bar can be better fixed reinforcing bar and UHPC decking section.
Further, the reinforcing bar device is set to be the ribbed reinforcing bar that the diameter is 12mm, length 140mm, and the steel intensity of ribbed reinforcing bar is high, under the requirement that satisfies the intensity, can practice thrift building steel and reduce engineering cost, and the area of contact between rigid connection and the concrete is big moreover, and bonding anchor performance is good.
Furthermore, the top surface and the bottom surface of the steel plate device are both set to be horizontal planes, the upper surface of the steel plate device is as high as the top surface of the UHPC bridge deck plate segment, and the lower surface of the steel plate device is as high as the bottom surface of the UHPC bridge deck plate segment, so that the situation that the road surface of the spliced UHPC bridge deck plate segment is too big in undulation can be prevented.
Furthermore, the reinforcing steel bar device comprises a plurality of longitudinally arranged reinforcing steel bars, the distance between two longitudinally adjacent reinforcing steel bars is 300mm, and the plurality of longitudinally arranged reinforcing steel bars are arranged, so that the fixing effect of the reinforcing steel bar device and the UHPC bridge deck section is better.
Further, the round steel sets up to the round steel that the diameter is 40mm, the steel sheet device sets up to the steel sheet that thickness is 16mm, and the round steel is fully connected with the steel sheet when guaranteeing the construction, also can guarantee connecting device's firm.
The utility model discloses an actively profitable technological effect includes:
(1) the device can be used for longitudinally splicing the UHPC bridge deck sections during construction, so that the defect that no special construction device for longitudinally splicing the UHPC bridge deck sections in the prior art is provided is overcome, and the purpose of quickly and efficiently splicing and constructing the UHPC bridge deck sections by the longitudinally spliced joints is achieved;
(2) the steel plate device and the round steel are connected by full welding, so that the connection is more stable, and the water leakage at the joint of the UHPC bridge deck slab sections can be prevented;
(3) the ribbed steel bars enable the connection between the steel bar device and the UHPC bridge deck slab section to be more stable;
(4) the device has simple structure and construction process, and can ensure that the UHPC bridge deck slab sections are firmly spliced;
other advantageous effects of the present invention will be further described with reference to the following embodiments.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a cross-sectional view of the present invention in conjunction with a UHPC bridge deck segment;
fig. 2 shows a section 10 of a UHPC bridge deck segment according to the present invention: 1, a position schematic diagram after being reduced;
fig. 3 shows the present invention and UHPC bridge deck segment top surface 10: 1, a position schematic diagram after being reduced;
fig. 4 is a perspective view of the present invention;
in the figure, 1, round steel; 2. a left steel plate; 3. a right steel plate; 4. a left reinforcement bar; 5. a right reinforcing bar; 6. a UHPC bridge deck segment; 7. a bridge pier; 8. and (6) seaming.
Detailed Description
Example (b): a V-shaped longitudinal joint connecting device for a UHPC prefabricated bridge deck slab comprises round steel 1, a steel plate device and a steel bar device, wherein the round steel 1 and the steel plate device are longitudinally arranged, the steel bar device is connected with a UHPC bridge deck slab section 6, two ends of the UHPC bridge deck slab section 6 are connected with piers 7, the direction perpendicular to the length direction of the bridge deck slab is transverse, and the direction parallel to the length direction of the bridge deck slab is longitudinal; the steel plate device comprises a left steel plate 2 and a right steel plate 3, the lowest end of the left steel plate 2 can be connected with the lowest end of the right steel plate 3, the included angle between the left steel plate 2 and the right steel plate 3 is less than 180 degrees, the left steel plate 2 and the right steel plate 3 are arranged relative to the ground and through the plane mirror image of the central axis of the round steel 1, the inner surface of the left steel plate 2 and the inner surface of the right steel plate 3 are connected with the round steel 1, the surfaces of the left steel plate 2 and the right steel plate 3 facing the round steel 1 are inner surfaces, otherwise, the surfaces are outer surfaces, the inner surface of the left steel plate 2 and the inner surface of the right steel plate 3 are V-shaped, after the steel plate device is connected with the round steel 1, gaps between the steel plate device and the round steel 1 can be filled with foams, stones and the like; the reinforcing bar device includes left reinforcing bar 4 and right reinforcing bar 5, and left reinforcing bar 4 is connected with left steel sheet 2's outside, and right reinforcing bar 5 is connected with right steel sheet 3's outside, and left reinforcing bar 4 and right reinforcing bar 5 are connected with left UHPC decking festival section 6 and the UHPC decking festival section 6 on right side respectively, can be connected the back with reinforcing bar device and steel sheet device in advance, place in the template of UHPC decking festival section 6, pour behind the UHPC decking festival section 6 again be connected the steel sheet device and round steel 1.
In this embodiment, left side steel sheet 2 sets up to 30 with right steel sheet 3's contained angle, and the inner face of left side steel sheet 2, right steel sheet 3 becomes the V style of calligraphy, and with the cooperation of middle round steel 1, forms a similar triangular frame, and 30 contained angle stability between left side steel sheet 2 and the right steel sheet 3 is better.
In this embodiment, the connected mode of steel sheet device and reinforcing bar device is the trompil plug welding and is connected, sets up the trompil on the steel sheet device earlier, makes things convenient for the installation of steel sheet device and reinforcing bar device, also can separate the transportation with steel sheet device and reinforcing bar device earlier during transportation this device, reachs the installation behind the job site again, connects also comparatively firm.
In this embodiment, round steel 1 is connected for full weld with the connected mode of steel sheet device, will prepare to weld the place of steel sheet device and all contacts of round steel 1 together and all carry out the fusion welding, then fill welding set in the clearance between round steel 1 and the steel sheet device, it is more firm after the welding, prevent to connect the longitudinal joint construction deviation problem that the concatenation is in the same place UHPC decking segment 6 leads to because of manufacturing error, can adjust left steel sheet 2, the hookup location of right steel sheet 3 and round steel 1, make the top surface of the UHPC decking segment 6 of splicing in advance be in same height, and make possessing certain waterproof ability of 8 departments of seam of UHPC decking segment 6.
In this embodiment, the reinforcing bar device includes 2 layers of reinforcing bar that set up in the vertical direction, and 6 thickness of UHPC decking section can set up to 100mm, and the clear height of upper and lower surface apart from UHPC decking section 6 is 20mm respectively for two-layer reinforcing bar, fixed reinforcing bar and UHPC decking section 6 that 2 layers of reinforcing bar can be better.
In this embodiment, the reinforcing bar device sets up to the ribbed reinforcing bar that the diameter is 12mm, length 140mm, and the steel intensity of ribbed reinforcing bar is high, under the requirement that satisfies intensity, can practice thrift building steel and reduce engineering cost, and the area of contact between rigid connection and the concrete is big moreover, and bonding anchor performance is good.
In this embodiment, the top surface and the bottom surface of the steel plate device are both set to be horizontal planes, the upper surface of the steel plate device is at the same height as the top surface of the UHPC bridge deck segment 6, and the lower surface of the steel plate device is at the same height as the bottom surface of the UHPC bridge deck segment 6, so that the road surface of the spliced UHPC bridge deck segment 6 can be prevented from being too big in undulation.
In this embodiment, the reinforcing bar device is including the many reinforcing bars of vertical setting, and the distance of vertical two adjacent reinforcing bars is 300mm, sets up the many reinforcing bars of vertical setting, makes reinforcing bar device and UHPC decking festival section 6's fixed effect better.
In this embodiment, round steel 1 sets up to the round steel 1 that the diameter is 40mm, the steel sheet device sets up to the steel sheet that thickness is 16mm, and round steel 1 and steel sheet fully connected when guaranteeing the construction also can guarantee connecting device's firm.
The implementation process comprises the following steps: determining the connecting positions of the left steel plate 2 and the right steel plate 3 with the steel bar device, drilling a hole into which the steel bar can be plugged, and then performing plug welding on the steel bar device and the steel plate device; placing the welded steel plate device and the welded steel bar device on a template of the UHPC bridge deck slab section 6, fixing firmly, and pouring UHPC material on the template of the UHPC bridge deck slab section 6; after the UHPC bridge deck slab segment 6 is steam-cured to reach the preset strength, splicing the two UHPC bridge deck slab segments 6 together, fully welding the steel plate device and the round steel 1, and finally performing apparent treatment on the UHPC bridge deck slab segments 6.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a seam connecting device is indulged to UHPC prefabricated bridge decking V type which characterized in that: the device comprises round steel, a steel plate device and a steel bar device, wherein the round steel and the steel plate device are longitudinally arranged, and the steel bar device is connected with a UHPC bridge deck plate segment; the steel plate device comprises a left steel plate and a right steel plate, the included angle between the left steel plate and the right steel plate is less than 180 degrees, and the inner surface of the left steel plate and the inner surface of the right steel plate are both connected with round steel; the reinforcing bar device comprises a left reinforcing bar and a right reinforcing bar, the left reinforcing bar is connected with the outside of the left steel plate, and the right reinforcing bar is connected with the outside of the right steel plate.
2. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 1, wherein: the included angle between the left steel plate and the right steel plate is set to be 30 degrees.
3. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 1, wherein: the steel plate device is connected with the reinforcing steel bar device in a tapping plug welding mode.
4. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 2, wherein: the round steel is connected with the steel plate device in a full-length welding mode.
5. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 1, wherein: the reinforcing bar device comprises 2 layers of reinforcing bars arranged in the vertical direction.
6. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 5, wherein: the reinforcing steel bar device is set to be a ribbed reinforcing steel bar with the diameter of 12mm and the length of 140 mm.
7. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 4, wherein: the top surface of the steel plate device is set to be a horizontal plane with the same height as the top surface of the UHPC bridge deck slab section, and the bottom surface of the steel plate device is set to be a horizontal plane with the same height as the bottom surface of the UHPC bridge deck slab section.
8. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 7, wherein: the reinforcing bar device comprises a plurality of reinforcing bars which are longitudinally arranged, and the distance between two longitudinally adjacent reinforcing bars is 300 mm.
9. The UHPC precast bridge deck V-shaped longitudinal joint connecting device of claim 8, wherein: the round steel sets up to the round steel that the diameter is 40mm, the steel sheet device sets up to the steel sheet that thickness is 16 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932821.7U CN210315244U (en) | 2019-06-19 | 2019-06-19 | V-shaped longitudinal joint connecting device for UHPC prefabricated bridge deck slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932821.7U CN210315244U (en) | 2019-06-19 | 2019-06-19 | V-shaped longitudinal joint connecting device for UHPC prefabricated bridge deck slab |
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| Publication Number | Publication Date |
|---|---|
| CN210315244U true CN210315244U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920932821.7U Active CN210315244U (en) | 2019-06-19 | 2019-06-19 | V-shaped longitudinal joint connecting device for UHPC prefabricated bridge deck slab |
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| Country | Link |
|---|---|
| CN (1) | CN210315244U (en) |
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- 2019-06-19 CN CN201920932821.7U patent/CN210315244U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 201-211, phase 1, No. 79 Ruihe Road, Huangpu District, Guangzhou City, Guangdong Province (room 8 of 206) Patentee after: ZHONGLU DURA INTERNATIONAL ENGINEERING Co.,Ltd. Address before: No. 524, building 1, innovation and entrepreneurship center, No. 9, Chuangxi Road, Jiuhua Economic Development Zone, Xiangtan City, Hunan Province Patentee before: ZHONGLU DURA INTERNATIONAL ENGINEERING Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A V-shaped longitudinal joint connecting device for UHPC precast bridge deck Effective date of registration: 20220316 Granted publication date: 20200414 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: ZHONGLU DURA INTERNATIONAL ENGINEERING Co.,Ltd. Registration number: Y2022980002693 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |