CN113863079A - Inter-plate load transfer structure of assembled airport pavement panel and construction method thereof - Google Patents
Inter-plate load transfer structure of assembled airport pavement panel and construction method thereof Download PDFInfo
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- CN113863079A CN113863079A CN202111021932.0A CN202111021932A CN113863079A CN 113863079 A CN113863079 A CN 113863079A CN 202111021932 A CN202111021932 A CN 202111021932A CN 113863079 A CN113863079 A CN 113863079A
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- 238000010276 construction Methods 0.000 title claims description 12
- 239000002002 slurry Substances 0.000 claims abstract description 51
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 14
- 230000002457 bidirectional effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/08—Reinforced units with steel frames
- E01C5/10—Prestressed reinforced units ; Prestressed coverings from reinforced or non-reinforced units
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/02—Arrangement or construction of joints; Methods of making joints; Packing for joints
- E01C11/04—Arrangement or construction of joints; Methods of making joints; Packing for joints for cement concrete paving
- E01C11/06—Methods of making joints
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C9/00—Special pavings; Pavings for special parts of roads or airfields
- E01C9/008—Paving take-off areas for vertically starting aircraft
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
An inter-board load transfer structure of an assembled airport pavement panel comprises a prefabricated pavement panel, wherein two ends of the prefabricated pavement panel are provided with first female tongue-and-groove, and two sides of the prefabricated pavement panel are provided with second female tongue-and-groove; the joint of the end parts of two adjacent prefabricated road panels is spliced through a first female tongue-and-groove to form a first slurry groove, and the joint of the side parts of two adjacent prefabricated road panels is spliced through a second female tongue-and-groove to form a second slurry groove; reinforcing meshes are arranged in the first slurry groove and the second female rabbet, and slurry is injected into the first slurry groove and the C-shaped groove to form a reinforcement slurry injection body. By adopting the structure, the reinforcing bar grouting body replaces a dowel bar in a transverse seam of the pavement slab and a pull bar in a longitudinal seam of the pavement slab, the grouting body with the reserved grouting grooves on the periphery of the slab body has a simple structure, can uniformly transfer loads between slabs, and has safe and reliable principle, stable performance and convenient maintenance.
Description
Technical Field
The invention relates to the technical field of construction of assembled type pavement slabs, in particular to an inter-slab load transfer structure of an assembled type airport pavement slab and a construction method thereof.
Background
In the traditional cast-in-place concrete airport pavement, the transverse joints are provided with equidistant dowel bars to transfer vertical loads between boards, and the longitudinal joints are provided with vertical and horizontal loads between pull bar transfer boards and expansion and contraction stresses between boards. The assembled airport pavement replaces a cast-in-place airport pavement, shortens the pavement construction period and exerts the social and economic benefits of the airport as soon as possible; the prefabricated pavement slab is prefabricated in an industrial mode, the quality of the prefabricated pavement slab is better compared with that of a field cast-in-place pavement, the service life of the pavement is prolonged, and meanwhile, the prefabricated pavement slab is more favorable for updating, maintaining and construction without navigation. The single precast slab can bear the load of the airplane wheel and the stress of the slab body such as thermal expansion, wet expansion and the like, the bearable load of the slab body is limited, and the bearable load of the slab body is transferred to an adjacent slab body in a reliable mode. Load transfer between precast slabs is a key for restricting application of the assembled pavement, a load transfer method between assembled airfield pavement slabs is developed to replace the traditional dowel bar and pull rod process, and a new structural form is added for airfield pavement construction.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an inter-plate load transfer structure of an assembled airport pavement slab and a construction method thereof, wherein a dowel bar in a transverse seam of the pavement slab and a pull bar in a longitudinal seam of the pavement slab are replaced by reinforcing grouting, and grouting grooves reserved on the periphery of a slab body are simple in structure, can uniformly transfer inter-plate loads, and are safe and reliable in principle, stable in performance and convenient to maintain.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an inter-board load transfer structure of an assembled airport pavement panel comprises a prefabricated pavement panel, wherein two ends of the prefabricated pavement panel are provided with first female tongue-and-groove, and two sides of the prefabricated pavement panel are provided with second female tongue-and-groove;
the joint of the end parts of two adjacent prefabricated road panels is spliced through a first female tongue-and-groove to form a first slurry tank, and the joint of the side parts of two adjacent prefabricated road panels is spliced through a second female tongue-and-groove to form a second slurry tank;
and a reinforcing mesh is arranged in the first slurry tank, a prestressed steel strand is arranged in the second female tongue-and-groove, and the first slurry tank and the second slurry tank are grouted to form reinforcing and grouting body.
In a preferable scheme, second female tongue-and-groove at two sides of the prefabricated pavement panel are replaced by C-shaped grooves, and the prestressed steel strands are replaced by reinforcing meshes;
the C-shaped grooves are spliced to form a second slurry tank, and the reinforcing mesh is arranged in the second slurry tank.
In a preferred scheme, the reinforcing mesh is a fishbone-shaped reinforcing structure consisting of two main bars and a plurality of connecting bars arranged between the two main bars at equal intervals.
In a preferred scheme, a plurality of prestressed ducts are further arranged on the prefabricated road panel, and two ends of each prestressed duct are respectively positioned in second female rabbet at two sides of the prefabricated road panel.
In a preferable scheme, grouting holes are further formed in the periphery of the top surface of the prefabricated pavement panel and communicated with first female tongue-and-groove or second female tongue-and-groove formed in the side edge of the prefabricated pavement panel where the grouting holes are located.
The construction method of the inter-plate load transfer structure based on the assembled airport pavement panel comprises the following steps:
1) hoisting the prefabricated pavement slab to a corresponding installation position on the roadbed;
2) hoisting the second prefabricated pavement slab to one side of the prefabricated pavement slab, and splicing the longitudinal seam joints of the two second prefabricated pavement slabs to form a second slurry tank;
3) repeatedly hoisting the subsequent prefabricated pavement slab until the pavement width requirement is met;
4) mounting prestressed steel strands in the prefabricated road panels;
5) carrying out prestress tension operation;
6) grouting the plurality of second grout grooves one by one through the grouting holes to form grouting body;
7) and repeating the steps, and carrying out subsequent paving operation of the prefabricated road panel along the prefabricated road panel.
In a preferable scheme, after the step 7) is completed, grouting operation is performed on a first grout groove formed between two longitudinally adjacent second precast pavement panels, and the grouting operation is performed through a grouting hole above a first female tongue-and-groove.
In a preferred scheme, non-shrinkage cement mortar is poured into the first slurry tank and the second slurry tank.
The invention provides an inter-plate load transfer structure of an assembly type airport pavement panel and a construction method thereof, and by adopting the structure, the structure has the following beneficial effects:
(1) the reinforcing bar grouting body replaces a dowel bar in a transverse seam of the pavement slab and a pull rod in a longitudinal seam of the pavement slab, so that a load transfer structure between slabs is simplified;
(2) on the basis of the original dowel bar and pull rod, the load transmission efficiency between plates is effectively improved.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic cross-sectional view of a prefabricated roadway panel according to the present invention.
Fig. 2 is a front view of the prefabricated pavement slab of the present invention.
FIG. 3 is a side view and a front view of the present invention. (when the side of the prefabricated road panel is provided with a C-shaped groove)
FIG. 4 is a side view and a front view of the present invention. (when the side of the prefabricated road panel is provided with a second concave tongue-and-groove)
FIG. 5 is a schematic cross-sectional view of a first slurry tank according to the present invention.
FIG. 6 is a cross-sectional view of a first slurry tank according to the present invention. (location of prestressed Steel strand)
FIG. 7 is a cross-sectional view of a second slurry tank according to the present invention. (the second size groove is formed by splicing a second concave tongue-and-groove)
FIG. 8 is a sectional view schematically showing the structure of a second slurry tank according to the present invention. (the second slurry tank is formed by splicing C-shaped tanks)
In the figure: the concrete slab comprises a prefabricated pavement slab 1, a first female rabbet 2, a C-shaped groove 3, a second female rabbet 4, a prestressed duct 5, a first slurry groove 6, a reinforcing mesh 7, prestressed steel strands 8, a second slurry groove 9 and grouting holes 10.
Detailed Description
Example 1:
as shown in fig. 1, 2, 4, 5 and 7, an inter-board load transfer structure of an assembled airport pavement panel comprises a prefabricated pavement panel 1, wherein both ends of the prefabricated pavement panel 1 are provided with first female tongue-and-groove 2, and both sides of the prefabricated pavement panel 1 are provided with second female tongue-and-groove 4;
the end part joint of two adjacent prefabricated road panels 1 is spliced through a first female rabbet 2 to form a first slurry groove 6, and the side part joint of two adjacent prefabricated road panels 1 is spliced through a second female rabbet 4 to form a second slurry groove 9;
the first slurry tank 6 is provided with a reinforcing mesh, the prestressed steel strand 8 in the second female tongue-and-groove 4, and the first slurry tank 6 and the second slurry tank 9 are internally grouted to form reinforcing bar grouting body.
In a preferred embodiment, the steel bar mesh 7 is a "fishbone" steel bar structure composed of two main bars and a plurality of connecting bars arranged between the two main bars at equal intervals.
In a preferable scheme, a plurality of prestressed ducts 5 are further arranged on the prefabricated pavement slab 1, and two ends of each prestressed duct 5 are respectively located in the second female tongue-and-groove 4 on two sides of the prefabricated pavement slab 1.
In a preferable scheme, grouting holes 10 are further formed in the periphery of the top surface of the prefabricated pavement panel 1, and the grouting holes 10 are communicated with the first female tongue-and-groove 2 or the second female tongue-and-groove 4 formed in the side edge of the prefabricated pavement panel 1 where the grouting holes are formed.
The tongue-and-groove joint bidirectional rib plate (without prestress) is formed in the structural state:
tests have shown that the maximum deflection in the slab is 0.320mm when the slab is loaded in the prefabricated pavement slab 1. The strain of the concrete at the bottom of the pavement slab shows a linear change trend along with the increase of the load, and when the maximum load is 18.8t, the maximum strain of the concrete slab at the bottom surface in the longitudinal direction is 92.5 mu epsilon, and the maximum strain in the transverse direction is 82.5 mu epsilon.
Loading on the plate edge of the precast pavement slab 1, wherein the displacement of the loading edge of the plate seam of the precast pavement slab 1 is 0.313mm, the deflection of the other point symmetrical to the plate seam is 0.207mm, and the load transfer coefficient is 0.681 calculated according to the deflection. The strain of the load plate road surface is 40.331, the strain of the point symmetrical to the seam is 28.634, and the load transfer coefficient calculated according to the strain of the plate edge is 0.71.
And (4) conclusion: the load transfer coefficient between the plates is increased to 0.6-0.7.
Example 2:
as shown in fig. 1, 2, 3, 5 and 8, the inter-board load transfer structure of the fabricated airport pavement panel comprises a prefabricated pavement panel 1, wherein two ends of the prefabricated pavement panel 1 are provided with first female tongue-and-groove 2, and two sides of the prefabricated pavement panel 1 are provided with C-shaped grooves 3;
the end part joints of two adjacent prefabricated pavement panels 1 are spliced through first female grooves and tongues 2 to form first slurry grooves 6, and the side part joints of two adjacent prefabricated pavement panels 1 are spliced through C-shaped grooves 3 to form second slurry grooves 9;
reinforcing meshes 7 are arranged in the first slurry groove 6 and the second female tongue-and-groove 4, and the first slurry groove 6 and the C-shaped groove 3 are filled with slurry to form reinforcing and grouting body.
In a preferred embodiment, the steel bar mesh 7 is a "fishbone" steel bar structure composed of two main bars and a plurality of connecting bars arranged between the two main bars at equal intervals.
In a preferable scheme, a plurality of prestressed ducts 5 are further arranged on the prefabricated pavement slab 1, and two ends of each prestressed duct 5 are respectively located in the second female tongue-and-groove 4 on two sides of the prefabricated pavement slab 1.
In a preferable scheme, grouting holes 10 are further formed in the periphery of the top surface of the prefabricated pavement panel 1, and the grouting holes 10 are communicated with the first female tongue-and-groove 2 or the second female tongue-and-groove 4 formed in the side edge of the prefabricated pavement panel 1 where the grouting holes are formed.
Under the above-mentioned structural state:
two C-shaped grooves 3 form a slurry groove with an 8-shaped structure, and under the condition of loading in the plate, the load is continuously and slowly applied, and the maximum load is 18.2t
Maximum displacement in the plate is 0.274 mm; the maximum transverse compressive strain of the upper surface in the plate is 79.67 mu epsilon, and the maximum transverse compressive stress of the concrete is 2923 kpa. The maximum additional longitudinal compressive strain of the pavement slab is 90.6 mu epsilon, and the additional compressive stress is 3325 kPa.
The transverse strain of the bottom of the concrete pavement slab is close to increase along with the increase of the load, when the load is 18.25t, the transverse strain is 82.77 mu epsilon, and the bending tensile stress of the concrete at the center of the slab bottom is 3037 kPa. For the longitudinal strain, the longitudinal strain at the bottom center of the pavement slab is-39.35 mu epsilon when the load is 0, the longitudinal strain is nearly linearly increased along with the increase of the load, and when the load is 18.25t, the longitudinal strain is 57.92 mu epsilon and the bending and pulling stress of the longitudinal concrete is 2125 kPa.
Loading the plate edges, wherein the maximum displacement of the loaded side plate edges is 0.32 mm. And dividing the plate edge displacement 2 by the plate edge displacement 1 to obtain a plate seam load transfer coefficient of 0.718.
The coefficient of charge transfer calculated as stress was 0.74. Close to the seam coefficient calculated by displacement.
And (4) conclusion: the load transfer coefficient between the plates is increased to 0.72-0.74.
Example 3:
the construction method of the plate load transferring structure of the assembled airport pavement plate comprises the following steps:
1) hoisting the prefabricated pavement slab 1 to a corresponding installation position on the roadbed;
2) hoisting the second prefabricated pavement slab 1 to one side of the prefabricated pavement slab 1, and splicing the longitudinal seam joints of the two second prefabricated pavement slabs 1 to form a second slurry tank 9;
3) repeatedly hoisting the subsequent prefabricated pavement slab 1 to meet the pavement width requirement;
4) mounting prestressed steel strands 8 in the precast pavement panels 1;
5) carrying out prestress tension operation;
6) grouting the plurality of second grouting grooves 9 one by one through the grouting holes 10 to form grouting bodies;
7) and repeating the steps, and carrying out subsequent laying operation of the prefabricated road panel 1 along the prefabricated road panel 1.
In a preferable scheme, after the step 7) is completed, performing grouting operation on a first grout groove 6 formed between two longitudinally adjacent second precast pavement panels 1, wherein the grouting operation is performed through a grouting hole 10 above the first female rabbet 2.
In a preferred scheme, non-shrinkage cement mortar is poured into the first slurry tank 6 and the second slurry tank 9.
In this embodiment, the pre-stress tensioning and the installation of the mesh reinforcement 7 in step 4) are performed alternatively, that is:
on the premise of installing the prestressed steel strands 8, the reinforcing mesh 7 is not installed;
under the premise of installing the reinforcing mesh 7, the prestressed steel strands are not installed.
The concrete test procedure and data detection calculation in the state of installing the mesh reinforcement 7 are as described in the foregoing embodiment.
When the steps described in the embodiment are adopted to install the prestressed steel strand 8, the step 5) adopts unidirectional or bidirectional prestress application:
when applying unidirectional prestress, forming a tongue-and-groove joint unidirectional prestressed plate:
the plate is loaded, the deflection in the pavement plate is linearly changed along with the increase of the load, and the deflection is 0.286mm when the load is 20 t. The transverse compressive strain of the concrete on the upper surface of the pavement slab at a load of 17.5t is 72.05 mu epsilon, which is equivalent to the compressive stress 2644Kpa of the concrete. The longitudinal compressive strain is 85.84 mu epsilon, and the longitudinal additional compressive stress is 3150 kPa.
When the plate edge of the precast pavement plate 1 is loaded, the plate side displacement of the loading side is 0.288mm, the displacement of the sensor and the other side which is symmetrically arranged relative to the plate seam is 0.235mm, and the displacement load transfer coefficient is calculated to be 0.61.
When the unidirectional prestress is applied, a tongue-and-groove joint bidirectional prestress plate is formed:
when the load in the plate is 20.5t, the transverse strain of the bottom concrete in the plate is 83.4 mu epsilon, and the longitudinal strain in the plate is 64.11 mu epsilon.
And loading the prefabricated pavement slab 1 at the slab edge, wherein when the load is about 20t, the average displacement value of the displacement sensor on the loading side is 0.319mm, the sum displacement of the other side and the displacement is 0.290mm, and the load transfer coefficient calculated according to the displacement is 0.91. The charge transfer coefficient calculated according to the strain ratio is stabilized at about 0.92.
And (4) conclusion: the load transfer coefficient between the plates is increased to 0.6 (unidirectional prestress) or 0.9 (bidirectional prestress).
The conclusion from the above examples is that: the work efficiency of the load transmission among the plates of the assembled type slurry tank assembled by the longitudinal and transverse seams of the pavement and the reinforced bar or the slurry injection body with the prestressed bars is superior to that of the traditional dowel bar and pull rod process.
Claims (8)
1. An interplate load transfer structure of assembled airport pavement panel, includes prefabricated pavement panel (1), its characterized in that: two ends of the prefabricated pavement panel (1) are provided with first female tongue-and-groove (2), and two sides of the prefabricated pavement panel (1) are provided with second female tongue-and-groove (4);
the end joint of two adjacent prefabricated road panels (1) is spliced through a first female tongue-and-groove (2) to form a first slurry groove (6);
reinforcing meshes (7) are arranged in the first slurry groove (6) and the first female tongue-and-groove (2), and slurry is injected into the first slurry groove (6) to form a reinforcing bar grouting body;
the side seams of two adjacent prefabricated road panels (1) are spliced through second female tongue-and-groove joints (4) to form second slurry grooves (9);
prestressed steel strands (8) are arranged in the second slurry groove (9) and the second female tongue-and-groove (4), and grouting is performed in the second slurry groove (9) to form reinforcing and grouting body.
2. The assembled airfield pavement panel plate load transferring structure of claim 1, wherein: second female tongue-and-groove joints (4) on two sides of the prefabricated pavement panel (1) are replaced by C-shaped grooves (3), and prestressed steel strands (8) are replaced by reinforcing steel bar meshes (7);
the C-shaped grooves (3) are spliced to form a second slurry groove (9), and the reinforcing mesh (7) is arranged in the second slurry groove (9).
3. The assembled airfield pavement panel plate load transferring structure of claim 1, wherein: the reinforcing mesh (7) is a fishbone-shaped reinforcing structure consisting of two main ribs and a plurality of connecting ribs arranged between the two main ribs at equal intervals.
4. The assembled airfield pavement panel plate load transferring structure of claim 1, wherein: the prefabricated pavement panel (1) is further provided with a plurality of prestressed channels (5), and two ends of each prestressed channel (5) are respectively positioned in the second female tongue-and-groove (4) on two sides of the prefabricated pavement panel (1).
5. The assembled airfield pavement panel plate load transferring structure of claim 1, wherein: and grouting holes (10) are further formed in the periphery of the top surface of the prefabricated pavement panel (1), and the grouting holes (10) are communicated with the first female rabbet (2) or the second female rabbet (4) arranged on the side edge of the prefabricated pavement panel (1) where the grouting holes are formed.
6. The construction method of the plate-to-plate load transfer structure of the fabricated airport pavement plate according to any one of claims 1 to 5, comprising the steps of:
1) hoisting the prefabricated pavement slab (1) to a corresponding installation position on the base layer;
2) hoisting the second prefabricated pavement slab (1) to one side of the prefabricated pavement slab (1), and splicing the longitudinal seam joints of the two second prefabricated pavement slabs (1) to form a second slurry tank (9);
3) repeatedly hoisting the subsequent prefabricated pavement slab (1) until the pavement width requirement is met;
4) mounting prestressed steel strands (8) in the precast pavement panels (1);
5) carrying out prestress tension operation;
6) grouting the plurality of second grout grooves (9) one by one through the grouting holes (10) to form grouting bodies;
7) and repeating the steps, and carrying out subsequent laying operation of the prefabricated road panel (1) along the prefabricated road panel (1).
7. The method of claim 6, wherein the method comprises the steps of: and 7), after the step 7) is finished, performing grouting operation on a first grout groove (6) formed between two longitudinally adjacent second precast pavement panels (1), wherein the grouting operation is performed through a grouting hole (10) above the first female rabbet (2).
8. The method of claim 6, wherein the method comprises the steps of: and non-shrinkage cement mortar is poured into the first slurry tank (6) and the second slurry tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111021932.0A CN113863079A (en) | 2021-09-01 | 2021-09-01 | Inter-plate load transfer structure of assembled airport pavement panel and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111021932.0A CN113863079A (en) | 2021-09-01 | 2021-09-01 | Inter-plate load transfer structure of assembled airport pavement panel and construction method thereof |
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| CN113863079A true CN113863079A (en) | 2021-12-31 |
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|---|---|---|---|
| CN202111021932.0A Pending CN113863079A (en) | 2021-09-01 | 2021-09-01 | Inter-plate load transfer structure of assembled airport pavement panel and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1020180A (en) * | 1963-05-25 | 1966-02-16 | Beteiligungs & Patentverw Gmbh | Joint between two structural members |
| JP2011032717A (en) * | 2009-07-31 | 2011-02-17 | Institute Of National Colleges Of Technology Japan | Connection construction method of precast pavement slab for road and the precast pavement slab used for the same |
| CN109371836A (en) * | 2018-12-19 | 2019-02-22 | 北京市政路桥股份有限公司 | A kind of prefabricated assembled floorings splicing structure |
| CN109487686A (en) * | 2018-12-29 | 2019-03-19 | 武汉理工大学 | A kind of unit construction bridge panel transverse joint using UHPC grouting material |
| CN210341532U (en) * | 2019-06-25 | 2020-04-17 | 中交第三公路工程局有限公司河北雄安设计咨询分公司 | Assembled cement concrete pavement structure |
| CN212865473U (en) * | 2020-01-16 | 2021-04-02 | 同济大学 | Prefabricated assembled type lane plate |
| CN113186811A (en) * | 2021-05-06 | 2021-07-30 | 中铁第四勘察设计院集团有限公司 | Pier is assembled in horizontal piecemeal prefabrication based on wet seam |
-
2021
- 2021-09-01 CN CN202111021932.0A patent/CN113863079A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1020180A (en) * | 1963-05-25 | 1966-02-16 | Beteiligungs & Patentverw Gmbh | Joint between two structural members |
| JP2011032717A (en) * | 2009-07-31 | 2011-02-17 | Institute Of National Colleges Of Technology Japan | Connection construction method of precast pavement slab for road and the precast pavement slab used for the same |
| CN109371836A (en) * | 2018-12-19 | 2019-02-22 | 北京市政路桥股份有限公司 | A kind of prefabricated assembled floorings splicing structure |
| CN109487686A (en) * | 2018-12-29 | 2019-03-19 | 武汉理工大学 | A kind of unit construction bridge panel transverse joint using UHPC grouting material |
| CN210341532U (en) * | 2019-06-25 | 2020-04-17 | 中交第三公路工程局有限公司河北雄安设计咨询分公司 | Assembled cement concrete pavement structure |
| CN212865473U (en) * | 2020-01-16 | 2021-04-02 | 同济大学 | Prefabricated assembled type lane plate |
| CN113186811A (en) * | 2021-05-06 | 2021-07-30 | 中铁第四勘察设计院集团有限公司 | Pier is assembled in horizontal piecemeal prefabrication based on wet seam |
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