CN110409244A - A kind of prefabricated road deck of composite bearing and prefabricated pavement construction method - Google Patents
A kind of prefabricated road deck of composite bearing and prefabricated pavement construction method Download PDFInfo
- Publication number
- CN110409244A CN110409244A CN201910782599.1A CN201910782599A CN110409244A CN 110409244 A CN110409244 A CN 110409244A CN 201910782599 A CN201910782599 A CN 201910782599A CN 110409244 A CN110409244 A CN 110409244A
- Authority
- CN
- China
- Prior art keywords
- prefabricated
- composite bearing
- road deck
- prefabricated road
- stanchion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
-
- 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
Abstract
The present invention proposes a kind of prefabricated road deck of composite bearing and prefabricated pavement construction method.Process the prefabricated road deck of composite bearing；Native soil layer is rolled into compacting；It is laid with screed-coat in native soil layer and tamps；The prefabricated road deck of composite bearing after molding is hoisted to construction section and is installed in place, preliminary static pressure is bonded with screed-coat, passes through waterproof mortar filleting between the adjacent prefabricated road deck of two composite bearings；It is drilled from the top down to each tapered pile head bore on the prefabricated road deck of composite bearing using small-sized drill, forms branch stanchion pouring hole after clear soil；By the downward casting concrete in the top of tapered pile head bore, until concrete fills up the inner cavity of branch stanchion pouring hole and tapered pile head bore, branch stanchion is formed.The integrated carrying ability for improving road deck reduces the adverse effect of sedimentation Subgrade on Pavement；The integrated connection for strengthening prefabricated road surface and base reduces the side direction horizontal sliding on prefabricated road surface, improves the overall stability on roadbed and road surface.
Description
Technical field
The present invention relates to a kind of prefabricated road deck of composite bearing and prefabricated pavement construction methods.
Background technique
Prefabricated road surface refers to the road surface that surface layer is paved by cement concrete prefabricated section, and Prefabricated road is led in use
There are problems that two.By the assembled molding in prefabricated road surface itself, whole bad in conjunction with roadbed, bad sealing, matrix of satisfying the need amount
It is required that high, the problems such as later period is with roadbed rain penetration and differential settlement, it is easy to occur to tilt uneven problem.Cause pre-
The problems such as pavement cracking processed is crushed.It is unable to satisfy the permanent load durability requirements of road.So as to cause Prefabricated road Difficulty.
Summary of the invention
The purpose of the present invention is to provide one kind can pass through the prefabricated road surface of composite bearing of roadbed and branch stanchion composite bearing
Plate leads to the shadows such as prefabricated road surface tilting, cracking to solve existing Prefabricated road because roadbed is by rain penetration and differential settlement
The technical issues of ringing stable load；The object of the invention is also to provide a kind of using the prefabricated road deck of above-mentioned composite bearing
Prefabricated pavement construction method.
The technical solution of the prefabricated road deck of composite bearing of the invention is achieved in that the prefabricated road deck packet of composite bearing
The road surface ontology and the reinforced frame in the ontology of road surface for including rectangle, the top of road surface ontology are evenly equipped with multiple pre-buried suspension hook spiral shells
Bolt, the lower part of pre-buried hook on bolt are welded and fixed with the reinforced frame, and multiple up-small and down-big cones are also evenly equipped on the ontology of road surface
Shape pile crown hole is axially to shore cooperation with the ferroconcrete prop stake poured in roadbed, radial direction limits and cooperates, the taper
The release layer that the inner wall in pile crown hole is equipped with convenient for being detached from when removing with ferroconcrete prop stake.
On the basis of above scheme, further improvement is as follows, and the release layer is the releasing agent layer or pre-buried PVC brushed
Mould.
On the basis of above scheme, further improvement is as follows, and the top diameter of the tapered pile head bore is not less than
80mm, the diameter bottom of tapered pile head bore are 2-4 times of the top diameter.
On the basis of above scheme, be further improved it is as follows, the road surface ontology with a thickness of 20mm.
On the basis of above scheme, further improvement is as follows, and the distance of two tapered pile head bore of arbitrary neighborhood is 1 meter.
The technical solution of prefabricated pavement construction method of the invention is achieved in that prefabricated pavement construction method, including
Following steps:
S1, the processing prefabricated road deck of composite bearing, place reinforced frame in mold, and uniform welding is multiple on reinforced frame pre-buried hangs
Hook bolt, interval setting appearance is coated with the conical molds of release agent in mold, removes circle after casting concrete and condensation
Taper die；
S2, the native soil layer of construction section is carried out smooth, then rolls compacting；
S3, it is laid with sandstone, dirt and cement composition screed-coat in native soil layer, is tamped after smooth；
S4, the prefabricated road deck of composite bearing after molding is hoisted to construction section and is installed in place, preliminary static pressure and screed-coat
Fitting passes through waterproof mortar filleting between the adjacent prefabricated road deck of two composite bearings；
S5, it is drilled from the top down to each tapered pile head bore on the prefabricated road deck of composite bearing using small-sized drill, after clear soil
Form branch stanchion pouring hole；
S6, the downward casting concrete in top by tapered pile head bore, until concrete is by branch stanchion pouring hole and taper pile crown
The inner cavity in hole is filled up, and branch stanchion is formed.
On the basis of above scheme, further improvement is as follows, before S6, first places reinforcing bar in branch stanchion pouring hole.
It on the basis of above scheme, is further improved as follows, when the dismounting prefabricated road deck of composite bearing, is hung by pre-buried
Hook bolt is lifted by crane.
On the basis of above scheme, further improvement is as follows, before S6, first coats on each tapered pile head bore inner wall
Release agent or pre-buried PVC mould.
Using above-mentioned technical proposal, the invention has the benefit that the present invention is more by being arranged on prefabricated road deck
A tapered pile head bore is precisely limited to be cooperated with the branch stanchion penetrated in roadbed by the conical surface using the conical surface.This
Prefabricated road deck adds the common composite bearing system of branch stanchion using roadbed, improves the integrated carrying ability of road deck, reduces
Settle the adverse effect of Subgrade on Pavement；This road deck uses cast-in-place branch stanchion, and the entirety for strengthening prefabricated road surface and base connects
Connecing property reduces the side direction horizontal sliding on prefabricated road surface；This prefabricated road deck construction system, peace are torn open simply, and it is convenient to construct；It is prefabricated
Road deck can repeat to have enough to meet the need, and save the cost is environmentally protective；By pillar stake holes, the panel that satisfies the need carries out secondary with roadbed gap
Slip casting improves the overall stability on roadbed and road surface.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is that native soil layer is smooth, rolls the structural schematic diagram after compacting；
Fig. 2 is that the structural schematic diagram after screed-coat is compacted in native soil layer；
Fig. 3 is that prefabricated road deck is mounted on to structural schematic diagram later on screed-coat；
Fig. 4 is structural schematic diagram when small-sized drill carries out drilling and clear soil to branch stanchion pouring hole；
Fig. 5 is the structural schematic diagram that branch stanchion is formed after pouring；
Fig. 6 is status diagram when prefabricated road deck slings dismounting；
Fig. 7 is the schematic diagram of internal structure of prefabricated road deck；
Wherein: 1- native soil layer, 2- screed-coat, the prefabricated road deck of 3-, the road surface 31- ontology, 32- reinforced frame, the pre-buried suspension hook spiral shell of 33-
Bolt, 34- tapered pile head bore, 35- release layer, 4- branch stanchion pouring hole, 5- branch stanchion, 51- reinforcing bar, 6- small-sized drill.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The specific embodiment of prefabricated pavement construction method of the invention, comprising the following steps:
S1, as shown in fig. 7, processing the prefabricated road deck 3 of composite bearing, in mold place reinforced frame 32, on reinforced frame 32
The even multiple pre-buried hook on bolt 33 of welding, interval setting appearance is coated with the conical molds of release agent in mold, pours mixed
Conical molds are removed after solidifying soil and condensation；The road surface ontology 31 of the prefabricated road deck 3 of composite bearing including rectangle and it is located at road
Reinforced frame 32 in face ontology 31, the top of road surface ontology 31 are evenly equipped with multiple pre-buried hook on bolt 33, pre-buried hook on bolt 33
Lower part be welded and fixed with the reinforced frame 32, be also evenly equipped on road surface ontology 31 multiple up-small and down-big tapered pile head bore 34 with
Just cooperation is axially shored with the ferroconcrete prop stake 5 poured in roadbed, radial limit cooperates, the inner wall of tapered pile head bore 34
It is equipped with the release layer 35 convenient for being detached from when removing with ferroconcrete prop stake 5.Release layer 35 is the releasing agent layer brushed
Or pre-buried PVC mould.The top diameter of tapered pile head bore 34 is not less than 80mm, and the diameter bottom of tapered pile head bore 34 is most upper
2-4 times of side diameter.Road surface ontology 31 with a thickness of 20mm.The distance of two tapered pile head bore 34 of arbitrary neighborhood is 1 meter.
S2, as shown in Figure 1, the native soil layer 1 of construction section is carried out smooth, then roll compacting；
S3, as shown in Fig. 2, be laid with sandstone, dirt and cement composition screed-coat 2 in native soil layer 1, it is smooth after compacting；
S4, as shown in figure 3, the prefabricated road deck 3 of composite bearing after molding is hoisted to construction section and is installed in place, it is preliminary quiet
Pressure is bonded with screed-coat 2, passes through waterproof mortar filleting between the prefabricated road deck 3 of adjacent two composite bearing；
S5, as shown in figure 4, using small-sized drill 6 from the top down to each tapered pile head bore on the prefabricated road deck of composite bearing 3
34 drillings form branch stanchion pouring hole 4 after soil clearly；
S6, as shown in figure 5, by the downward casting concrete in top of tapered pile head bore 34, until concrete pours branch stanchion
Hole 4 and the inner cavity of tapered pile head bore 34 are filled up, and branch stanchion 5 is formed.
Before S6, reinforcing bar 51 is first placed in branch stanchion pouring hole 4.As shown in fig. 6, removing the prefabricated road deck of composite bearing
When 3, lifted by crane by pre-buried hook on bolt 33.Before S6, first on each 34 inner wall of tapered pile head bore coat release agent or
Pre-buried PVC mould.
Specifically, prefabricated 3 specific size of road deck can be designed according to road width, and road surface plate thickness and arrangement of reinforcement are according to road surface
Bearing requirements are designed.For the general prefabricated road deck 3 of construction site temporary road with a thickness of 20mm, arrangement of reinforcement is that C12@200mm is bis-
Two-way, the protective layer thickness 25mm of layer.Road deck lower part setting conical molds, 1 meter of spacing.Spacing can be according to practical adjustment.
And in the pre-buried lifting bolt in road deck quadrangle.After road deck pouring molding, top circular hole is not less than 8 centimeters, and bottom circular is straight
Diameter is not less than 2 times of top and is not more than 4 times, convenient for later period dismounting.The branch stanchion pouring hole 4 of prefabricated 3 indwelling of road deck uses
The design of mushroom round taper hole, up-small and down-big, hole side wall applies demoulding spacing agent or pre-buried PVC film, both met road deck and
The integrated connection of support pile.In turn ensure the possibility that later period lifting is removed.
The specific embodiment of the prefabricated road deck of composite bearing of the invention and the prefabricated pavement construction method of aforementioned present invention
Specific embodiment in prefabricated road deck specific embodiment it is identical, repeat no more.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. the prefabricated road deck of composite bearing, which is characterized in that the road surface ontology including rectangle and the steel in the ontology of road surface
Ledges, the top of road surface ontology are evenly equipped with multiple pre-buried hook on bolt, and the lower part of pre-buried hook on bolt and the reinforced frame weld
It is fixed, be also evenly equipped on the ontology of road surface multiple up-small and down-big tapered pile head bore so as to the armored concrete branch that is poured in roadbed
Stanchion axially shores cooperation, radial limit cooperation, and the inner wall of the tapered pile head bore is equipped with convenient for mixed with reinforcing bar when removing
The release layer that solidifying soil branch stanchion is detached from.
2. the prefabricated road deck of composite bearing according to claim 1, which is characterized in that the release layer is the demoulding brushed
Oxidant layer or pre-buried PVC mould.
3. the prefabricated road deck of composite bearing according to claim 1 or 2, which is characterized in that the tapered pile head bore is most
Top diameter is not less than 80mm, and the diameter bottom of tapered pile head bore is 2-4 times of the top diameter.
4. the prefabricated road deck of composite bearing according to claim 3, which is characterized in that the road surface ontology with a thickness of
20mm。
5. the prefabricated road deck of composite bearing according to claim 3, which is characterized in that two tapered pile head bore of arbitrary neighborhood
Distance be 1 meter.
6. prefabricated pavement construction method, which comprises the following steps:
S1, the processing prefabricated road deck of composite bearing, place reinforced frame in mold, and uniform welding is multiple on reinforced frame pre-buried hangs
Hook bolt, interval setting appearance is coated with the conical molds of release agent in mold, removes circle after casting concrete and condensation
Taper die；
S2, the native soil layer of construction section is carried out smooth, then rolls compacting；
S3, it is laid with sandstone, dirt and cement composition screed-coat in native soil layer, is tamped after smooth；
S4, the prefabricated road deck of composite bearing after molding is hoisted to construction section and is installed in place, preliminary static pressure and screed-coat
Fitting passes through waterproof mortar filleting between the adjacent prefabricated road deck of two composite bearings；
S5, it is drilled from the top down to each tapered pile head bore on the prefabricated road deck of composite bearing using small-sized drill, after clear soil
Form branch stanchion pouring hole；
S6, the downward casting concrete in top by tapered pile head bore, until concrete is by branch stanchion pouring hole and taper pile crown
The inner cavity in hole is filled up, and branch stanchion is formed.
7. prefabricated pavement construction method according to claim 6, which is characterized in that before S6, first in branch stanchion pouring hole
Interior placement reinforcing bar.
8. prefabricated pavement construction method according to claim 6 or 7, which is characterized in that remove the prefabricated road surface of composite bearing
When plate, lifted by crane by pre-buried hook on bolt.
9. prefabricated pavement construction method according to claim 6 or 7, which is characterized in that before S6, first in each tapered pile
Release agent or pre-buried PVC mould are coated on head bore inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782599.1A CN110409244B (en) | 2019-08-23 | 2019-08-23 | Composite bearing prefabricated road slab and prefabricated pavement construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782599.1A CN110409244B (en) | 2019-08-23 | 2019-08-23 | Composite bearing prefabricated road slab and prefabricated pavement construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110409244A true CN110409244A (en) | 2019-11-05 |
| CN110409244B CN110409244B (en) | 2021-06-25 |
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| CN201910782599.1A Active CN110409244B (en) | 2019-08-23 | 2019-08-23 | Composite bearing prefabricated road slab and prefabricated pavement construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227125A (en) * | 2020-10-26 | 2021-01-15 | 温州展业建设工程有限公司 | Roadbed construction method for reinforced concrete pavement of highway |
| CN112458818A (en) * | 2020-12-08 | 2021-03-09 | 长沙理工大学 | High-comfort assembly type cement concrete pavement repairing structure, construction method and pavement structure overturning device |
| CN113322740A (en) * | 2021-06-25 | 2021-08-31 | 江苏广吴建设园林有限公司 | Reinforced asphalt concrete road and construction method thereof |
| CN114922019A (en) * | 2022-06-30 | 2022-08-19 | 重庆科技学院 | Slope pavement construction method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227125A (en) * | 2020-10-26 | 2021-01-15 | 温州展业建设工程有限公司 | Roadbed construction method for reinforced concrete pavement of highway |
| CN112227125B (en) * | 2020-10-26 | 2022-05-17 | 温州展业建设工程有限公司 | Roadbed construction method for reinforced concrete pavement of highway |
| CN112458818A (en) * | 2020-12-08 | 2021-03-09 | 长沙理工大学 | High-comfort assembly type cement concrete pavement repairing structure, construction method and pavement structure overturning device |
| CN112458818B (en) * | 2020-12-08 | 2022-03-08 | 长沙理工大学 | High-comfort assembly type cement concrete pavement repairing structure, construction method and pavement structure overturning device |
| CN113322740A (en) * | 2021-06-25 | 2021-08-31 | 江苏广吴建设园林有限公司 | Reinforced asphalt concrete road and construction method thereof |
| CN114922019A (en) * | 2022-06-30 | 2022-08-19 | 重庆科技学院 | Slope pavement construction method |
| CN114922019B (en) * | 2022-06-30 | 2023-04-28 | 重庆科技学院 | Slope pavement construction method |
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| CN110409244B (en) | 2021-06-25 |
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