CN113322737A - Prefabricated road panel connecting structure and mounting method based on tongue-and-groove bent bolt connection - Google Patents
Prefabricated road panel connecting structure and mounting method based on tongue-and-groove bent bolt connection Download PDFInfo
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- CN113322737A CN113322737A CN202110678810.2A CN202110678810A CN113322737A CN 113322737 A CN113322737 A CN 113322737A CN 202110678810 A CN202110678810 A CN 202110678810A CN 113322737 A CN113322737 A CN 113322737A
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- concrete pavement
- precast concrete
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- groove
- slab
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000011178 precast concrete Substances 0.000 claims abstract description 72
- 238000010276 construction Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 24
- 239000004567 concrete Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 9
- 229910010272 inorganic material Inorganic materials 0.000 claims description 6
- 239000011147 inorganic material Substances 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000011210 fiber-reinforced concrete Substances 0.000 claims description 3
- 239000011440 grout Substances 0.000 claims 4
- 238000010923 batch production Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
Images
Classifications
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a prefabricated pavement panel connecting structure and a prefabricated pavement panel connecting method based on tongue-and-groove bent bolt connection. The invention has the beneficial effects that: the precast concrete pavement panel has simple connection structure, single type of precast concrete pavement panel, is beneficial to industrial production, and the problem of different and disordered assembled plate types is not needed to be considered on site. The design of the arc-shaped chamfer angle of the precast concrete pavement panel reduces the damage of corners in the processes of production, transportation, storage, construction and later-stage airplane rolling. The precast concrete pavement panel assembly is processed and finished in a factory, is transported to a site for hoisting and installation, has high industrialization degree, convenient site installation and high construction speed, has good economic and social benefits, and is suitable for the rapid assembly construction of airport pavement.
Description
Technical Field
The invention relates to a precast concrete pavement slab, in particular to a precast pavement slab connection structure and an installation method based on tongue-and-groove bent bolt connection, and belongs to the technical field of airport pavement construction.
Background
The construction process of the assembled concrete pavement has the advantages of less field wet operation, high construction speed, industrial production and guaranteed pavement slab quality.
At present, the airport pavement in China generally adopts a cast-in-place concrete construction technology, the wet operation is more, the concrete curing time is long, the pavement surface layer process is complicated, the construction quality requirement is extremely high, and the whole construction period is long. When an emergency happens, the traditional cast-in-place concrete construction technology cannot meet the capacity of rapid construction.
Disclosure of Invention
The invention aims to solve the problems and provide a prefabricated road panel connecting structure and a prefabricated road panel mounting method based on tongue-and-groove bent bolt connection.
The invention realizes the purpose through the following technical scheme: the prefabricated pavement panel connecting structure based on tongue-and-groove bent bolt connection comprises a prefabricated concrete pavement panel, a convex tongue-and-groove, a concave tongue-and-groove, a reserved mounting groove, a reserved pore channel and a bent bolt; the prefabricated concrete pavement slab is characterized in that concave tongue-and-groove openings and convex tongue-and-groove openings are arranged on four sides of the prefabricated concrete pavement slab, reserved mounting grooves and reserved pore passages are symmetrically arranged in the prefabricated concrete pavement slab, and four hoisting grouting holes are formed in the upper surface of the prefabricated concrete pavement slab; the precast concrete pavement slab is fixedly connected by adopting a convex rabbet, a concave rabbet and a bent bolt; the precast concrete pavement slab is precast by adopting a light inorganic material.
As a still further scheme of the invention: the precast concrete pavement slab is manufactured by factory prefabrication, the concave tongue-and-groove, the convex tongue-and-groove, the reserved pore channel and the hoisting grouting hole are reserved in advance in the pavement slab prefabrication process, the hoisting grouting hole is designed by combining the hoisting hole with the grouting hole, and the precast concrete pavement slab can be used as the grouting hole after the hoisting construction assembly is completed.
As a still further scheme of the invention: the precast concrete pavement panels are sequentially spliced according to the principle that the convex rabbet is inserted into the concave rabbet, and then are fixedly connected through the bent bolts, the bent bolts penetrate through the reserved hole channels from the reserved mounting grooves, the fixed steel plates at the two ends and the nuts are screwed and fixed, and the reserved mounting grooves are tightly filled with filling materials after the installation is finished.
As a still further scheme of the invention: the gap between the precast concrete pavement slab and the lower base layer can be firmly bonded through hoisting grouting holes.
As a still further scheme of the invention: the slab joints between the precast concrete pavement slabs are sealed through grouting, and the slab joints on the upper surface are compacted through sealant.
As a still further scheme of the invention: the precast concrete pavement slab is made of light inorganic materials, and light aggregate concrete or other fiber reinforced concrete and other materials can be selected.
The installation method of the prefabricated road panel connection structure based on tongue-and-groove bent bolt connection comprises the following steps:
1) the construction of the airport field road base layer is completed, and the airport is guaranteed to have certain strength, rigidity and flatness so as to meet the splicing construction requirement of the precast concrete pavement slab of the subsequent road;
2) positioning and paying off a base layer, wherein according to the integral division condition of a working surface, each working surface respectively determines the positioning of an initial plate, and a positioning line is arranged at a certain distance to prevent the accumulative error of the plate from being overlarge;
3) laying precast concrete pavement slabs, accurately placing a member slab prepared in advance at an initial slab position through hoisting equipment, and sequentially laying subsequent slabs according to the sequence principle that a convex rabbet is inserted into a concave rabbet;
4) connecting and fixing the precast concrete pavement panels, sequentially connecting and fixing the adjacent precast concrete pavement panels by using bent bolts, checking a positioning line, preventing overlarge accumulated installation errors, adjusting the installation errors in time by adjusting the fastening degree of a nut, and sealing and filling the tightly reserved installation groove by using a filling material after the installation is finished;
5) grouting the bottom of the precast concrete pavement slab, wherein the precast concrete pavement slab and the lower base layer can be firmly bonded through grouting of hoisting grouting holes;
6) and gluing and sealing the plate joints, sealing the plate joints between the precast concrete pavement slabs through grouting, compacting the plate joints with sealant, and finishing the structural assembling work of the precast concrete pavement slabs.
The invention has the beneficial effects that: the prefabricated pavement panel connecting structure based on the tongue-and-groove bent bolt connection and the installation method are reasonable in design, the prefabricated concrete pavement panel connecting structure is simple, the prefabricated concrete pavement panel is single in plate type, industrial production is facilitated, and the problem that assembled plate types are different and disordered is not needed to be considered on site. The design of the arc-shaped chamfer angle of the precast concrete pavement panel reduces the damage of corners in the processes of production, transportation, storage, construction and later-stage airplane rolling. The precast concrete pavement panel assembly is processed and finished in a factory, is transported to a site for hoisting and installation, has high industrialization degree, convenient site installation and high construction speed, has good economic and social benefits, and is suitable for the rapid assembly construction of airport pavement.
Drawings
FIG. 1 is a sectional view of a precast concrete pavement connection structure according to the present invention;
FIG. 2 is a schematic plan view of a precast concrete pavement slab according to the present invention;
fig. 3 is a side view of a precast concrete pavement panel according to the present invention.
In the figure: 1. the concrete pavement slab comprises a precast concrete pavement slab, 2 convex tongue-and-groove parts, 3 concave tongue-and-groove parts, 4 reserved mounting grooves, 5 reserved pore channels, 6 bent bolts, 7 fixed steel plates, 8 nut parts, 9 filling materials, 10 hoisting grouting holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, the precast concrete pavement slab connection structure based on tongue-and-groove bent bolt connection includes a precast concrete pavement slab 1, a convex tongue-and-groove 2, a concave tongue-and-groove 3, a reserved installation groove 4, a reserved hole passage 5 and a bent bolt 6; the four sides of the precast concrete pavement slab 1 are provided with concave tongue-and-groove 2 and convex tongue-and-groove 3, a reserved mounting groove 4 and a reserved pore passage 5 are symmetrically arranged in the precast concrete pavement slab 1, and the upper surface of the precast concrete pavement slab 1 is provided with four hoisting grouting holes 10; the precast concrete pavement slab 1 is fixedly connected with a bent bolt 6 by adopting a male rabbet 2 and a female rabbet 3 in a socket-and-spigot manner; the precast concrete pavement slab 1 is precast by adopting a light inorganic material.
In the embodiment of the invention, the precast concrete pavement slab 1 is prefabricated in a factory, the concave rabbet 2, the convex rabbet 3, the groove 4, the reserved pore channel 5 and the hoisting grouting hole 11 are reserved in advance in the pavement slab prefabrication process, the hoisting grouting hole 5 is designed by combining the hoisting hole with the grouting hole, and the precast concrete pavement slab can be used as the grouting hole after the hoisting construction assembly is finished.
In the embodiment of the invention, the precast concrete pavement panels 1 are sequentially spliced according to the principle that the convex rabbet 2 is inserted into the concave rabbet 3, and are connected and fixed through the bent bolt 6, the bent bolt 6 penetrates through the reserved hole channel 5 from the reserved mounting groove 4, the fixed steel plates 7 at two ends and the screw cap 8 are screwed and fixed, and the reserved mounting groove 4 is tightly filled with the filling material 9 after the installation is finished.
In the embodiment of the invention, the gap between the precast concrete pavement slab 1 and the lower base layer can be firmly bonded through grouting through the hoisting grouting holes 10.
In the embodiment of the invention, slab joints among the precast concrete pavement slabs 1 are sealed by grouting, and the joints among the upper surface slabs are compacted by using sealing glue.
In the embodiment of the present invention, the light inorganic material adopted by the precast concrete pavement slab 1 may be light aggregate concrete or other fiber reinforced concrete.
Example two
The installation method of the prefabricated road panel connection structure based on tongue-and-groove bent bolt connection comprises the following steps:
1) the construction of the airport field road base layer is completed, and the airport is guaranteed to have certain strength, rigidity and flatness so as to meet the splicing construction requirement of the precast concrete pavement slab 1 of the subsequent road;
2) positioning and paying off a base layer, wherein according to the integral division condition of a working surface, each working surface respectively determines the positioning of an initial plate, and a positioning line is arranged at a certain distance to prevent the accumulative error of the plate from being overlarge;
3) laying a precast concrete pavement slab 1, accurately placing a prepared component board at an initial board position through hoisting equipment, and sequentially laying subsequent boards according to the sequence principle that the convex rabbet 3 is inserted into the concave rabbet 4;
4) connecting and fixing the precast concrete pavement slabs 1, sequentially connecting and fixing the adjacent precast concrete pavement slabs 1 by using bent bolts 6, checking a positioning line, preventing overlarge accumulated installation error, adjusting the installation error in time by adjusting the fastening degree of a nut 8, and sealing and filling the tightly reserved installation groove 4 by using a filling material 9 after the installation is finished;
5) grouting the bottom of the precast concrete pavement slab 1, wherein the precast concrete pavement slab 1 and the lower base layer can be firmly bonded through grouting through the hoisting grouting holes 10;
6) and (3) gluing and sealing the plate joints, sealing the plate joints between the precast concrete pavement slabs 1 through grouting, compacting the plate joints with sealant, and finishing the structural assembling work of the precast concrete pavement slabs.
The working principle is as follows: the four sides of the precast concrete pavement slab 1 are provided with concave-convex tongues and grooves, a reserved mounting groove 4 and a reserved pore passage 5 are arranged in the precast concrete pavement slab 1, and the upper surface of the precast concrete pavement slab 1 is provided with four hoisting grouting holes 10 (two holes are integrated); the precast concrete pavement slab 1 is fixedly connected by adopting concave-convex rabbet socket joint connection and a bent bolt 6, and the reserved mounting groove 4 is tightly sealed and filled by filling materials 9 after the mounting is finished; the gap between the precast concrete pavement slab 1 and the lower base layer can be firmly bonded through grouting of the grouting holes; the slab joints between the precast concrete pavement slabs 1 are grouted and sealed, and the concrete chamfers on the upper surface are compacted through sealant.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. Prefabricated railway panel connection structure based on tongue-and-groove bent bolted connection, its characterized in that: the prefabricated concrete pavement slab comprises a prefabricated concrete pavement slab (1), a convex rabbet (2), a concave rabbet (3), a reserved mounting groove (4), a reserved pore channel (5) and a bent bolt (6); concave tongue-and-groove joints (2) and convex tongue-and-groove joints (3) are arranged on four sides of the precast concrete pavement slab (1), reserved mounting grooves (4) and reserved pore channels (5) are symmetrically arranged in the precast concrete pavement slab (1), and four hoisting grouting holes (10) are formed in the upper surface of the precast concrete pavement slab (1); the precast concrete pavement slab (1) is fixedly connected with a bent bolt (6) by adopting a male tongue-and-groove (2) and a female tongue-and-groove (3) in a socket joint mode, and the precast concrete pavement slab (1) is precast by adopting a light inorganic material.
2. The precast pavement panel connection construction based on tongue-and-groove bolt connection according to claim 1, wherein: precast concrete pavement slab (1) adopts the prefabricated preparation of batch production, and concave tongue-and-groove (2), protruding rabbet (3), recess (4), reservation pore (5) and hoist and mount grout hole (11) are all reserved in advance at the pavement slab prefabrication in-process, and hoist and mount grout hole (5) are two hole unification designs of hole for hoist and mount and grout hole, treat that the hoist and mount construction is assembled and is accomplished the back, do the grout hole use concurrently.
3. The precast pavement panel connection construction based on tongue-and-groove bolt connection according to claim 1, wherein: the precast concrete pavement slab (1) is sequentially spliced according to the principle that the convex rabbet (2) is inserted into the concave rabbet (3), and then is fixedly connected through the bent bolt (6), the bent bolt (6) penetrates through the reserved hole channel (5) from the reserved mounting groove (4), the fixing steel plates (7) at two ends and the screw cap (8) are screwed and fixed, and the reserved mounting groove (4) is tightly filled with a filling material (9) after the installation is finished.
4. The precast pavement panel connection construction based on tongue-and-groove bolt connection according to claim 1, wherein: the gap between the precast concrete pavement slab (1) and the lower base layer can be firmly bonded through grouting through the hoisting grouting holes (10).
5. The precast pavement panel connection construction based on tongue-and-groove bolt connection according to claim 1, wherein: the slab joints between the precast concrete pavement slabs (1) are sealed through grouting, and the slab joints are compacted through sealant.
6. The precast pavement panel connection construction based on tongue-and-groove bolt connection according to claim 1, wherein: the precast concrete pavement slab (1) is made of light inorganic materials, and light aggregate concrete or other fiber reinforced concrete materials can be selected.
7. A method for installing a tongue-and-groove bolt connection-based precast pavement panel connection structure according to claim 1, comprising the steps of:
1) the construction of the airport field road base layer is completed, and the airport is guaranteed to have certain strength, rigidity and flatness so as to meet the splicing construction requirement of the precast concrete pavement slab (1) of the subsequent road;
2) positioning and paying off a base layer, wherein according to the integral division condition of a working surface, each working surface respectively determines the positioning of an initial plate, and a positioning line is arranged at a certain distance to prevent the accumulative error of the plate from being overlarge;
3) laying a precast concrete pavement slab (1), accurately placing a prepared component plate at an initial plate position through hoisting equipment, and sequentially laying subsequent plates according to the sequence principle that the convex rabbet (3) is inserted into the concave rabbet (4);
4) connecting and fixing the precast concrete pavement slabs (1), sequentially connecting and fixing the adjacent precast concrete pavement slabs (1) by using bent bolts (6), checking a positioning line to prevent overlarge accumulated installation errors, adjusting the installation errors in time by adjusting the fastening degree of a nut (8), and filling a compact reserved installation groove (4) by using a filling material (9) after the installation is finished;
5) grouting the bottom of the precast concrete pavement slab (1), wherein the precast concrete pavement slab (1) and the lower base layer can be firmly bonded through grouting in the hoisting grouting holes (10);
6) and (3) gluing and sealing the plate joints, sealing the plate joints between the precast concrete pavement slabs (1) through grouting, compacting the plate joints with sealant, and finishing the structural assembling work of the precast concrete pavement slabs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110678810.2A CN113322737A (en) | 2021-06-18 | 2021-06-18 | Prefabricated road panel connecting structure and mounting method based on tongue-and-groove bent bolt connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110678810.2A CN113322737A (en) | 2021-06-18 | 2021-06-18 | Prefabricated road panel connecting structure and mounting method based on tongue-and-groove bent bolt connection |
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| Publication Number | Publication Date |
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| CN113322737A true CN113322737A (en) | 2021-08-31 |
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| CN202110678810.2A Pending CN113322737A (en) | 2021-06-18 | 2021-06-18 | Prefabricated road panel connecting structure and mounting method based on tongue-and-groove bent bolt connection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263076A (en) * | 2021-11-26 | 2022-04-01 | 中建科技集团有限公司 | Assembled precast concrete pavement slab and construction method thereof |
| CN114411473A (en) * | 2022-01-29 | 2022-04-29 | 中铁二十局集团房地产开发有限公司 | Assembled repeatedly usable haydite concrete yard floor |
| CN115081072A (en) * | 2022-06-27 | 2022-09-20 | 中建科技集团有限公司 | Bolt connection assembly type airport pavement structure design method |
| CN115142314A (en) * | 2022-06-28 | 2022-10-04 | 中国五冶集团有限公司 | Turnover splicing type construction access road and construction process |
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| CN204780504U (en) * | 2015-05-19 | 2015-11-18 | 山西省交通科学研究院 | Prefabricated cement concrete pavement of assembling |
| CN209619780U (en) * | 2018-12-20 | 2019-11-12 | 中国雄安集团基础建设有限公司 | A kind of Prefabricated road plate of bolt with one end bent back connection |
| CN209798465U (en) * | 2018-12-10 | 2019-12-17 | 中交天津港湾工程设计院有限公司 | Assembled concrete slab |
| US20210040741A1 (en) * | 2018-12-12 | 2021-02-11 | Dalian University Of Technology | Design and Rapid Construction Method for Flush Assembly of the Prefabricated Steel Beam and the Floor Slab |
| CN112726316A (en) * | 2021-01-01 | 2021-04-30 | 中建科技集团有限公司 | Assembly type precast concrete pavement slab assembly, pavement structure and construction method thereof |
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2021
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Patent Citations (5)
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| CN204780504U (en) * | 2015-05-19 | 2015-11-18 | 山西省交通科学研究院 | Prefabricated cement concrete pavement of assembling |
| CN209798465U (en) * | 2018-12-10 | 2019-12-17 | 中交天津港湾工程设计院有限公司 | Assembled concrete slab |
| US20210040741A1 (en) * | 2018-12-12 | 2021-02-11 | Dalian University Of Technology | Design and Rapid Construction Method for Flush Assembly of the Prefabricated Steel Beam and the Floor Slab |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114263076A (en) * | 2021-11-26 | 2022-04-01 | 中建科技集团有限公司 | Assembled precast concrete pavement slab and construction method thereof |
| CN114411473A (en) * | 2022-01-29 | 2022-04-29 | 中铁二十局集团房地产开发有限公司 | Assembled repeatedly usable haydite concrete yard floor |
| CN115081072A (en) * | 2022-06-27 | 2022-09-20 | 中建科技集团有限公司 | Bolt connection assembly type airport pavement structure design method |
| CN115142314A (en) * | 2022-06-28 | 2022-10-04 | 中国五冶集团有限公司 | Turnover splicing type construction access road and construction process |
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