CN220394197U - Airport assembled type road surface connecting node adopting I-shaped connecting piece - Google Patents
Airport assembled type road surface connecting node adopting I-shaped connecting piece Download PDFInfo
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- CN220394197U CN220394197U CN202321866269.9U CN202321866269U CN220394197U CN 220394197 U CN220394197 U CN 220394197U CN 202321866269 U CN202321866269 U CN 202321866269U CN 220394197 U CN220394197 U CN 220394197U
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- 239000011178 precast concrete Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000004567 concrete Substances 0.000 abstract description 2
- 239000012761 high-performance material Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
An airport fabricated pavement connection node adopting I-shaped connectors. The concrete pavement slab comprises a precast concrete pavement slab, an I-shaped connecting piece and a material filling layer; the I-shaped connecting piece comprises a connecting piece lower structure, a connecting piece upper structure and a rubber cushion layer; the filling layer is arranged on the upper part of the I-shaped connecting piece in the upper connecting interface, and the top surface of the filling layer is flush with the top surface of the precast concrete pavement slab. The utility model solves the problems of complex construction technology, high difficulty and long time consumption of the existing airport fabricated pavement technology when a certain pavement panel needs to be replaced. The airport fabricated pavement connecting node adopting the I-shaped connecting piece reduces construction difficulty, so that the mounting and dismounting work is more flexible and convenient, and the airport pavement repairing time is saved; the influence on adjacent road panels is reduced, and the working performance and durability of the airport pavement are ensured.
Description
Technical Field
The utility model belongs to the technical field of airport pavement facilities, and particularly relates to an airport fabricated pavement connecting node adopting an I-shaped connecting piece.
Background
The airport runway is an important infrastructure for taking off and landing of aviation aircrafts, and plays an important role in guaranteeing the safe taking off and landing of aircrafts. The existing airport pavement in China is mostly built by adopting a cement concrete cast-in-situ mode, has the defects of slow construction and long maintenance time, and mostly adopts prestress to improve the strength of the pavement slab and connects through pre-embedded anchors in the pavement slab although the airport assembly type pavement technology exists at present. The prior airport assembly type pavement has the following problems:
1. the prestress assembly type pavement slab is complex in stress state and is easy to crack in an actual working state.
2. The prior assembled pavement adopts anchor bars or bolts for connection, when the pavement panel is damaged and needs to be replaced, the construction technology is complex, the difficulty is high, the time consumption is long, and the working performance of the replaced pavement is difficult to ensure.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide an airport fabricated road surface connecting node adopting an I-shaped connecting piece.
In order to achieve the above purpose, the airport fabricated pavement connecting node adopting the I-shaped connecting piece provided by the utility model comprises a precast concrete pavement slab, the I-shaped connecting piece and a material filling layer; wherein, a plurality of upper connecting interfaces are formed on the top surface of the peripheral edge of each precast concrete channel panel in a downward sinking way at intervals; the I-shaped connecting piece comprises a connecting piece lower structure, a connecting piece upper structure and a rubber cushion layer; the lower structure of the connecting piece is an inverted T-shaped platy structure formed by a bottom plate and a web plate; the upper structure of the connecting piece is a T-shaped platy structure formed by a top plate and a web plate, and the middle part of the bottom surface of the web plate is recessed upwards along the length direction of the web plate to form a groove; the web plate on the lower structure of the connecting piece is embedded in the groove of the upper structure of the connecting piece, and a rubber cushion layer is arranged between the contact surfaces of the lower structure of the connecting piece and the upper structure of the connecting piece so as to ensure that the lower structure of the connecting piece and the upper structure of the connecting piece are effectively connected and play a role of buffering; the two sides of the top of each I-shaped connecting piece are respectively arranged in two corresponding upper connecting interfaces on two adjacent precast concrete channel panels, the middle part of each I-shaped connecting piece is positioned in an expansion joint between the two precast concrete channel panels, and the two sides of the lower part of each I-shaped connecting piece are respectively contacted with the bottom surfaces of the two precast concrete channel panels; the filling layer is arranged on the upper part of the I-shaped connecting piece in the upper connecting interface, and the top surface of the filling layer is flush with the top surface of the precast concrete pavement slab.
The lower structure of the connecting piece and the upper structure of the connecting piece on the I-shaped connecting piece are all made of steel.
The depth of the upper connecting interface is smaller than one third of the thickness of the precast concrete pavement slab so as to meet the stress requirement of the joint connection.
The thickness of the upper web plate of the upper structure of the connecting piece is smaller than the width of the expansion joint between the precast concrete pavement panels.
The airport fabricated pavement connecting node adopting the I-shaped connecting piece provided by the utility model considers the connection between the pavement boards, so that the pavement boards can effectively transfer load between the pavement boards when the vertical shaft moves, and the problems of complex construction technology, high difficulty and long time consumption when a certain pavement board needs to be replaced in the conventional airport fabricated pavement technology are solved. The airport fabricated pavement connecting node adopting the I-shaped connecting piece reduces the construction difficulty, so that the mounting and dismounting work is flexible and simple, and the airport pavement repairing time is saved; the influence on adjacent road panels is reduced, and the working performance and durability of the airport pavement are ensured.
Drawings
FIG. 1 is a schematic illustration of an airport fabricated pavement connection node arrangement provided by the present utility model;
FIG. 2 is a cross-sectional view of an airport fabricated pavement connection node provided by the present utility model;
FIG. 3 is a schematic view of an I-shaped connector in an airport fabricated pavement connection node provided by the present utility model;
Detailed Description
The airport fabricated pavement connecting node using the I-shaped connecting piece provided by the utility model is described in detail below with reference to examples and drawings.
As shown in fig. 1 to 3, the airport fabricated pavement connecting node adopting the i-shaped connecting piece provided by the utility model comprises a precast concrete pavement slab 1, an i-shaped connecting piece 2 and a material filling layer 3; wherein, a plurality of upper connecting interfaces 11 are formed on the top surface of the peripheral edge of each precast concrete pavement slab 1 at intervals downwards in a recessed way; the I-shaped connecting piece 2 comprises a connecting piece lower structure 21, a connecting piece upper structure 22 and a rubber cushion layer 23; the connecting piece lower structure 21 is an inverted T-shaped plate-shaped structure formed by a bottom plate and a web plate; the upper structure 22 of the connecting piece is a T-shaped plate-shaped structure formed by a top plate and a web plate, and the middle part of the bottom surface of the web plate is recessed upwards along the length direction of the web plate to form a groove; the web plate on the lower structure 21 of the connecting piece is embedded in the groove of the upper structure 22 of the connecting piece, and a rubber cushion layer 23 is arranged between the contact surfaces of the lower structure 21 of the connecting piece and the upper structure 22 of the connecting piece so as to ensure that the lower structure 21 of the connecting piece and the upper structure 22 of the connecting piece are effectively connected and play a role of buffering; the two sides of the top of each I-shaped connecting piece 2 are respectively arranged in two corresponding upper connecting interfaces 11 on two adjacent precast concrete channel panels 1, the middle part of each I-shaped connecting piece is positioned in an expansion joint between the two precast concrete channel panels 1, and the two sides of the lower part are respectively contacted with the bottom surfaces of the two precast concrete channel panels 1; the filling layer 3 is arranged at the upper part of the I-shaped connecting piece 2 in the upper connecting joint 11, and the top surface is flush with the top surface of the precast concrete pavement slab 1.
The lower structure 21 and the upper structure 22 of the connecting piece 2 are made of steel.
The depth of the upper connecting interface 11 is less than one third of the thickness of the precast concrete pavement slab 1 so as to meet the stress requirement of the joint connection.
The thickness of the web on the connector superstructure 22 is less than the width of the expansion joint between precast concrete deck panels 1.
The construction flow of the airport fabricated pavement connecting node adopting the I-shaped connecting piece provided by the utility model is set forth as follows:
when the precast concrete pavement slab 1 needs to be installed, a worker places one side of the bottom surfaces of the plurality of connecting piece lower structures 21 below all upper connecting interfaces 11 on the first precast concrete pavement slab 1 respectively, then places the adjacent other precast concrete pavement slab 1 on one side of the first precast concrete pavement slab 1 in a mode of symmetry of the central axis of the connecting piece lower structures 21, sequentially inserts grooves on each connecting piece upper structure 22 on webs on the plurality of connecting piece lower structures 21, finally fills high-performance materials on the upper parts of the I-shaped connecting pieces 2 in the upper connecting interfaces 11, forms a filling layer 3 after the high-performance materials are solidified, and enables the top surfaces of the filling layer 3 to be flush with the top surfaces of the precast concrete pavement slab 1, thereby completing the installation process.
When the precast concrete pavement slab 1 needs to be disassembled and replaced, firstly, the material filling layer 3 at the peripheral edge of the top of the precast concrete pavement slab 1 needs to be replaced is lifted to expose the upper structures 22 of the connecting pieces, then the upper structures 22 of the connecting pieces are vertically pulled out upwards, and at the moment, the precast concrete pavement slab 1 needs to be replaced is out of constraint in the vertical direction, so that the precast concrete pavement slab 1 can be lifted and taken out from one side, and the disassembly of the precast concrete pavement slab 1 is completed; then placing the precast concrete pavement slab 1 to be replaced in the position of the precast concrete pavement slab 1 which is taken out, sequentially inserting grooves on the upper structure 22 of each connecting piece into webs on the lower structures 21 of a plurality of connecting pieces, finally filling high-performance materials on the upper parts of the I-shaped connecting pieces 2 in the upper connecting interfaces 11, forming a filling layer 3 after the high-performance materials are solidified, and enabling the top surface of the filling layer 3 to be flush with the top surface of the precast concrete pavement slab 1, thereby completing the replacement process.
Claims (4)
1. An airport fabricated pavement connection node adopting an I-shaped connecting piece, which is characterized in that: the airport fabricated pavement connecting node adopting the I-shaped connecting piece comprises a precast concrete pavement panel (1), an I-shaped connecting piece (2) and a material filling layer (3); wherein, a plurality of upper connecting interfaces (11) are formed on the top surface of the peripheral edge of each precast concrete pavement slab (1) in a downward sinking way at intervals; the I-shaped connecting piece (2) comprises a connecting piece lower structure (21), a connecting piece upper structure (22) and a rubber cushion layer (23); the lower part structure (21) of the connecting piece is an inverted T-shaped plate-shaped structure formed by a bottom plate and a web plate; the upper structure (22) of the connecting piece is a T-shaped platy structure formed by a top plate and a web plate, and the middle part of the bottom surface of the web plate is recessed upwards along the length direction of the web plate to form a groove; the web plate on the lower structure (21) of the connecting piece is embedded in the groove of the upper structure (22) of the connecting piece, and a rubber cushion layer (23) is arranged between the contact surfaces of the lower structure (21) of the connecting piece and the upper structure (22) of the connecting piece so as to ensure that the lower structure (21) of the connecting piece and the upper structure (22) of the connecting piece are effectively connected and play a role of buffering; the two sides of the top of each I-shaped connecting piece (2) are respectively arranged in two corresponding upper connecting interfaces (11) on two adjacent precast concrete channel panels (1), the middle part of each I-shaped connecting piece is positioned in an expansion joint between the two precast concrete channel panels (1), and the two sides of the lower part of each I-shaped connecting piece are respectively contacted with the bottom surfaces of the two precast concrete channel panels (1); the filling layer (3) is arranged at the upper part of the I-shaped connecting piece (2) in the upper connecting interface (11), and the top surface is flush with the top surface of the precast concrete pavement panel (1).
2. An airport fabricated pavement joint employing an i-shaped connector as set forth in claim 1, wherein: the lower part structure (21) and the upper part structure (22) of the connecting piece (2) are made of steel.
3. An airport fabricated pavement joint employing an i-shaped connector as set forth in claim 1, wherein: the depth of the upper connecting interface (11) is smaller than one third of the thickness of the precast concrete pavement slab (1) so as to meet the stress requirement of the joint.
4. An airport fabricated pavement joint employing an i-shaped connector as set forth in claim 1, wherein: the thickness of the upper web plate of the connecting piece upper structure (22) is smaller than the width of the expansion joint between the precast concrete pavement panels (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321866269.9U CN220394197U (en) | 2023-07-17 | 2023-07-17 | Airport assembled type road surface connecting node adopting I-shaped connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321866269.9U CN220394197U (en) | 2023-07-17 | 2023-07-17 | Airport assembled type road surface connecting node adopting I-shaped connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394197U true CN220394197U (en) | 2024-01-26 |
Family
ID=89610291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321866269.9U Active CN220394197U (en) | 2023-07-17 | 2023-07-17 | Airport assembled type road surface connecting node adopting I-shaped connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394197U (en) |
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2023
- 2023-07-17 CN CN202321866269.9U patent/CN220394197U/en active Active
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