CN206368308U - Pre-stress type levelling prefabrication and assembly construction concrete - Google Patents
Pre-stress type levelling prefabrication and assembly construction concrete Download PDFInfo
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- CN206368308U CN206368308U CN201720009418.8U CN201720009418U CN206368308U CN 206368308 U CN206368308 U CN 206368308U CN 201720009418 U CN201720009418 U CN 201720009418U CN 206368308 U CN206368308 U CN 206368308U
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- tensioning
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- reserving hole
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Abstract
The utility model provides a kind of pre-stress type levelling prefabrication and assembly construction concrete, the square precast slab of the polylith that is fixed together including level connection joint, four corners of the precast slab are respectively fixed with installation suspension ring, four corners of the precast slab further respectively have vertical grouting duct, the bottom in the grouting duct is provided with leveling knob, two horizontal tensioning reserving hole channels are provided with the precast slab, the grouting duct and tensioning reserving hole channel run through precast slab, presstressed reinforcing steel is installed with the tensioning reserving hole channel, the middle part of the precast slab is provided with working space of two square grooves as two presstressed reinforcing steels of connection, the tensioning reserving hole channel is each passed through square groove.The pre-stress type levelling prefabrication and assembly construction concrete that the utility model is provided is rational in infrastructure, it is easy to ensures structure flatness, improve structural integrity.
Description
Technical field
The present invention relates to highway engineering technology and airport pavement engineering technology, and in particular to a kind of pre-stress type levelling is pre-
System assembling concrete.
Background technology
If at present the country cement concrete road base based on cast in situs, site operation can produce substantial amounts of waste water,
Waste gas, waste residue, the construction operation time are long, and construction machinery volume of traffic is big, and personnel specialty degree is low, when needing long after cast in situs
Between the unfavorable factor such as maintenance.Due to economic fast development, it is necessary to expressway construction faster, it is firmer, more environmentally friendly.
In recent years, prefabricated construction is widely used in building industry, promotes the more green ring of development of building trade
Protect, construction quality is got better protection, and substantially reduce the construction period.In transportation industry, prefabricated assembled road
Face is, in precasting yard concentration pre-casting concrete flag, intensity then to be reached into the concrete prefabricated board of design requirement is transported and applied
Work scene, the cement concrete pavement being assembled to form.
But, common prefabricated assembled road surface has that surface evenness is poor, road deck function of surface hole is more, influence
The defects such as road surface globality.
The content of the invention
For the drawbacks described above and problem of prior art, the present invention provides one kind and is easy to ensure structure flatness, improves knot
The pre-stress type levelling prefabrication and assembly construction concrete of structure globality.
In order to achieve the above object, the present invention provides following technical scheme：
Pre-stress type levelling prefabrication and assembly construction concrete, including the polylith that level connection joint is fixed together are square
Precast slab, four corners of the precast slab are respectively fixed with installation suspension ring, the precast slab
Four corners further respectively have vertical grouting duct, and the bottom in the grouting duct is provided with leveling knob, the concrete
Two horizontal tensioning reserving hole channels are provided with native plate, the grouting duct and tensioning reserving hole channel run through precast slab,
Presstressed reinforcing steel is installed with the tensioning reserving hole channel, the middle part of the precast slab is used as connection provided with two square grooves
The working space of two presstressed reinforcing steels, the tensioning reserving hole channel is each passed through square groove.
In above-mentioned technical proposal, the precast slab be cuboid, the tensioning reserving hole channel it is parallel to each other and
Consistent with the length direction of precast slab, the grouting duct is located at the outside of tensioning reserving hole channel and the two hangs down mutually
Directly.
In above-mentioned technical proposal, the leveling knob is cylindrical shape, includes what is be welded and fixed together successively from top to bottom
Top steel pipe, middle part steel pipe and bottom steel pipe, the top steel pipe and grouting hole link, the central spiral shell dress of the bottom steel pipe
There is vertical leveling bolt, the bottom of the leveling bolt is fixed with the circular gasket of a level, a left side for the bottom steel pipe
Right two ends are also provided with grouting material tap hole.
In above-mentioned technical proposal, the depth of the square groove is more than the half of precast concrete plate thickness, the tensioning
The distance of reserving hole channel to top surface is the half of precast concrete plate thickness, and the tensioning reserving hole channel to the distance of side is pre-
/ 3rd of concrete slab width processed.
The pre-stress type levelling prefabrication and assembly construction concrete that the present invention is provided is easy to ensure structure flatness, improved
Structural integrity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of leveling knob.
Wherein：1st, precast slab；2nd, square groove；3rd, tensioning reserving hole channel；4th, grouting duct；21st, top steel pipe；
22nd, middle part steel pipe；23rd, leveling bolt；24th, bottom steel pipe；25th, grouting material tap hole；26th, circular gasket.
Embodiment
Below in conjunction with the accompanying drawing of the present invention, technical scheme is clearly and completely described, it is clear that institute
The embodiment of description is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this hair
The scope of bright protection.
According to Fig. 1, the pre-stress type levelling prefabrication and assembly construction concrete shown in embodiment, including water are used as
The square precast slab of polylith that flushconnection is fixed together, four corners of precast slab are respectively fixed with installation
Suspension ring, four corners of precast slab further respectively have vertical grouting duct, and the bottom in duct of being in the milk is revolved provided with leveling
Two horizontal tensioning reserving hole channels are provided with button, precast slab, grouting duct and tensioning reserving hole channel are through prefabricated mixed
Presstressed reinforcing steel is installed with concrete board, tensioning reserving hole channel, the middle part of precast slab is used as connection provided with two square grooves
The working space of two presstressed reinforcing steels, tensioning reserving hole channel is each passed through square groove.The depth of square groove is more than prefabricated mixed
The half of concrete board thickness, size meets prestressed stretch-draw anchorage operation, can realize that a upper tensioned unit is pre- by the space
The presstressed reinforcing steel insertion of the unilateral stretch-draw anchor and next precast slab of stress rib.Distance of the tensioning reserving hole channel to top surface
For the half of precast concrete plate thickness, the distance of tensioning reserving hole channel to side for precast slab width three/
One.
In present embodiment, precast slab is cuboid, and tensioning reserving hole channel is parallel to each other and and concrete
The length direction of native plate is consistent, and grouting duct is located at the outside of tensioning reserving hole channel and the two is orthogonal.
As shown in Fig. 2 in present embodiment, leveling knob is cylindrical shape, include being weldingly fixed on one from top to bottom successively
Top steel pipe, middle part steel pipe and the bottom steel pipe risen, top steel pipe is screwed with perpendicular with grouting hole link, the center of bottom steel pipe
Straight leveling bolt, the bottom of leveling bolt is fixed with the circular gasket of a level, and the left and right ends of bottom steel pipe are also provided with
Grouting material tap hole.
Construction procedure：
101：Described concrete prefabricated board lifting is placed to the specified stowed location of job site, it is ensured that change the road of position
Face is smooth, solid.
102：Described concrete prefabricated board is lifted in construction area, is molded by Pavement Design position is once assembled,
Keep plate body contact consolidation.
103：By 4 leveling knobs in Fig. 1, leveling bolt therein is rotated, makes entire plate holding level, and it is all
Plate body keeps level.
104：Ready presstressed reinforcing steel is imported by reserved duct, each block of precast assembly plate is passed sequentially through,
Tensioning and anchoring are completed in reserved tensioning working space.Then the presstressed reinforcing steel used in next tensioned unit is imported, repeated
This process, until all plate bodys complete tensioning operation.
105：Slip casting is carried out by leveling knob integration component and prestressed stretch-draw duct, it is ensured that slip casting is abundant.Treat slurry
Reach the assembled work that whole road surface is completed after prescribed strength.
The present invention provides a kind of pre-stress type levelling prefabrication and assembly construction concrete, and multiple precast slabs pass through
The working space of prestressed stretch-draw duct and square groove formed after tensioning the overall structure layer of bearing load.By pre-
Leveling knob is set in concrete slab processed, in assembling, leveling can be carried out to precast slab using the device, so as to protect
The structure sheaf of barrier assembling has good flatness.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (4)
1. pre-stress type levelling prefabrication and assembly construction concrete, it is characterised in that：It is fixed together including level connection joint
The square precast slab of polylith, four corners of the precast slab are respectively fixed with installation suspension ring, described prefabricated
Four corners of concrete slab further respectively have vertical grouting duct, and the bottom in the grouting duct is provided with leveling knob, institute
State and two horizontal tensioning reserving hole channels are provided with precast slab, the grouting duct and tensioning reserving hole channel are through prefabricated
Presstressed reinforcing steel is installed with concrete slab, the tensioning reserving hole channel, the middle part of the precast slab is square recessed provided with two
Groove is each passed through square groove as the working space for connecting two presstressed reinforcing steels, the tensioning reserving hole channel.
2. pre-stress type levelling prefabrication and assembly construction concrete according to claim 1, it is characterised in that：It is described pre-
Concrete slab processed is cuboid, and the tensioning reserving hole channel is parallel to each other and length direction of with precast slab is consistent,
The grouting duct is located at the outside of tensioning reserving hole channel and the two is orthogonal.
3. pre-stress type levelling prefabrication and assembly construction concrete according to claim 1, it is characterised in that：It is described to adjust
Flat knob is cylindrical shape, includes top steel pipe, middle part steel pipe and the bottom steel pipe being welded and fixed together, institute successively from top to bottom
Top steel pipe and grouting hole link are stated, the center of the bottom steel pipe is screwed with vertical leveling bolt, the leveling bolt
Bottom be fixed with the circular gasket of a level, the left and right ends of the bottom steel pipe are also provided with grouting material tap hole.
4. pre-stress type levelling prefabrication and assembly construction concrete according to claim 1, it is characterised in that：The side
The depth of connected in star is more than the half of precast concrete plate thickness, and the distance of the tensioning reserving hole channel to top surface is concrete
The half of native plate thickness, the distance of the tensioning reserving hole channel to side is 1/3rd of precast slab width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720009418.8U CN206368308U (en) | 2017-01-05 | 2017-01-05 | Pre-stress type levelling prefabrication and assembly construction concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720009418.8U CN206368308U (en) | 2017-01-05 | 2017-01-05 | Pre-stress type levelling prefabrication and assembly construction concrete |
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| Publication Number | Publication Date |
|---|---|
| CN206368308U true CN206368308U (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720009418.8U Active CN206368308U (en) | 2017-01-05 | 2017-01-05 | Pre-stress type levelling prefabrication and assembly construction concrete |
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| Country | Link |
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| CN (1) | CN206368308U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547197A (en) * | 2018-04-08 | 2018-09-18 | 浙江中用市政园林设计股份有限公司 | A kind of prepackage type cement road structure facilitating draining |
| CN110004791A (en) * | 2019-04-19 | 2019-07-12 | 河北建设集团股份有限公司 | A kind of prestressing without bondn assembled road and its construction method |
-
2017
- 2017-01-05 CN CN201720009418.8U patent/CN206368308U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547197A (en) * | 2018-04-08 | 2018-09-18 | 浙江中用市政园林设计股份有限公司 | A kind of prepackage type cement road structure facilitating draining |
| CN110004791A (en) * | 2019-04-19 | 2019-07-12 | 河北建设集团股份有限公司 | A kind of prestressing without bondn assembled road and its construction method |
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