CN102733285B - Overlapping type airfield pavement structure - Google Patents
Overlapping type airfield pavement structure Download PDFInfo
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- CN102733285B CN102733285B CN201210254521.0A CN201210254521A CN102733285B CN 102733285 B CN102733285 B CN 102733285B CN 201210254521 A CN201210254521 A CN 201210254521A CN 102733285 B CN102733285 B CN 102733285B
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- preformed hole
- subfoundation
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Abstract
The invention provides an overlapping type airfield pavement structure which is formed by an upper-layer pavement plate, a lower-layer basic plate and a plurality of screw rods. A right-angle-shaped preformed groove is respectively formed at each one of four corners of the back side of the upper-layer pavement plate; an upper performed hole is respectively formed at each right-angle edge of each preformed groove; a right-angle-shaped pre-embedded channel steel embedded into the preformed groove is respectively arranged at each one of four corners of the surface of the lower-layer basic plate; a pre-embedded nut is arranged on the lower-layer basic plate which is rightly below a lower performed hole; and each screw rod sequentially penetrates through one upper performed hole and one lower performed hole and the lower end of each screw rod is threaded to one pre-embedded nut screw hole. The overlapping type airfield pavement structure has the advantages as follows: 1, all the plates are machined in a factory and a field splicing construction speed is fast; 2, if the pavement is damaged, only the upper-layer pavement plate needs to be exchanged, so that the cost is low and the maintenance is convenient; and 3, a traditional force transmission rod structure is replaced by the internally-arranged channel steel so that the whole rigidity is great and the deformation resistance is strong.
Description
Technical field
The invention belongs to airport engineering technical field, particularly relate to a kind of superposed type airfield pavement structure.
Background technology
At present, civil aviaton of China cause is in the high-speed developing period, and the effect becoming more and more important is being brought into play on airport in economy and social development.Along with being on the increase of flight sortie, airfield pavement will be tired, aging gradually, therefore Flying Area in Airport management is faced with unprecedented pressure, the structural index (PCN value) of airfield pavement and its functional attributes (friction factor, drain function and the planeness) most important thing of airport security operational management especially.
For guaranteeing movement area safety management, after the assessment of periodicity road face, need to carry out the face processing of corresponding road: slight breakage can be carried out sectional repair, occur coming to nothing and must change in time pavement slab, it is processed etc. that heavy damage must be carried out cover, to recover the normal usage function of airfield pavement.But the existing airfield pavement form of structure of China mostly is the cast-type concrete structure connecting by dowel bar, in the time that structural index does not meet the demands, the technical requirements of sectional repair and replacing pavement slab is high, expense is expensive, the time is long; In the time that its functional attributes does not meet the demands, (after use as long-term in road face cutting, be polished), need to carry out cover processing to threshold to threshold, airport need be closed, the construction of suspending.Along with the built airfield pavement active time of China constantly lengthens, the repairing of airfield pavement, pavement slab change and road cover will be highlighted day by day by problem.
Thereby, the technical level how further to improve airfield pavement construction, to administer and maintain, the expense of pavement slab is changed in reduction, accelerates site operation speed, and fast quick-recovery road face is structural just becomes the common problem in face of putting on each airport with its functional attributes.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide one can prefabrication processing, on-the-spot splicing installation, maintenance change the fireballing superposed type airfield pavement of plate structure.
In order to achieve the above object, superposed type airfield pavement structure provided by the invention is made up of upper strata pavement slab, subfoundation plate and Duo Gen screw rod, its at the middle and upper levels pavement slab be square, Si Ge angle, its back side place is formed with respectively a right angle type preformed groove, is formed with respectively the top preformed hole that at least one vertically runs through upper strata pavement slab on each right-angle side of preformed groove; Subfoundation plate is also square, its four angles place, surface is separately installed with one and gives prominence to outside the surface of subfoundation plate and can be embedded in a pre-buried channel-section steel of the right angle type in above-mentioned preformed groove, on each right-angle side of pre-buried channel-section steel, be formed with respectively a bottom preformed hole corresponding with preformed hole position, top, an embedded nut is installed on the subfoundation plate under the preformed hole of each bottom; Every screw rod runs through successively a top preformed hole and preformed hole posterior end, a bottom is threaded in the screw of an embedded nut, thus upper strata pavement slab and subfoundation plate is superimposed links together.
In described top preformed hole, middle part is outwards formed with an annular groove.
Described top preformed hole and the quantity of bottom preformed hole are 8.
Between described adjacent subfoundation plate, be welded into entirety by the pre-buried channel-section steel of correspondence position.
Process and work progress that superposed type airfield pavement structure provided by the invention can realize pavement slab are separated, prefabrication can improve the quality of pavement slab greatly, on-the-spot splicing can improve the speed of application of airfield pavement greatly, the more existing road of built-in channel-section steel face dowel bar globality is stronger, greatly improve the globality of airfield pavement, meanwhile, upper strata pavement slab can be changed as required at any time, does not need special construction technique or suspends.Superposed type airfield pavement structure tool provided by the invention has the following advantages: 1, all plates are all in factory process, and on-the-spot concatenation construction speed is fast.2, as breakage appears in road face, can only change upper strata pavement slab, therefore expense is low, easy to maintenance, and economy is strong.3, utilize built-in channel-section steel to replace traditional dowel bar structure, integral rigidity is large, non-deformability is strong.
Accompanying drawing explanation
Fig. 1 is superposed type airfield pavement structure provided by the invention pavement slab floor map at the middle and upper levels.
Fig. 2 is subfoundation board plane schematic diagram in superposed type airfield pavement structure provided by the invention.
Fig. 3 is superposed type airfield pavement structure provided by the invention pavement slab preformed hole position longitudinal sectional view at the middle and upper levels.
Fig. 4 is subfoundation plate preformed hole position longitudinal sectional view in superposed type airfield pavement structure provided by the invention.
Fig. 5 is superposed type airfield pavement structure provided by the invention pavement slab and the superimposed connection longitudinal sectional view of subfoundation plate at the middle and upper levels.
Fig. 6 is superposed type airfield pavement structural plan figure provided by the invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, superposed type airfield pavement structure provided by the invention is elaborated.
As Figure 1-Figure 5, superposed type airfield pavement structure provided by the invention is made up of upper strata pavement slab 1, subfoundation plate 2 and Duo Gen screw rod 5, its at the middle and upper levels pavement slab 1 be square, Si Ge angle, its back side place is formed with respectively a right angle type preformed groove 4, is formed with respectively the top preformed hole 3 that at least one vertically runs through upper strata pavement slab 1 on each right-angle side of preformed groove 4; Subfoundation plate 2 is also square, its four angles place, surface is separately installed with one and gives prominence to outside the surface of subfoundation plate 2 and can be embedded in a pre-buried channel-section steel 8 of the right angle type in above-mentioned preformed groove 4, on each right-angle side of pre-buried channel-section steel 8, be formed with respectively a bottom preformed hole 7 corresponding with top preformed hole 3 positions, an embedded nut 6 is installed on the subfoundation plate 2 under each bottom preformed hole 7; Every screw rod 5 runs through successively a top preformed hole 3 and bottom preformed hole 7 posterior ends are threaded in the screw of an embedded nut 6, and upper strata pavement slab 1 links together with subfoundation plate 2 is superimposed thus.
The described interior middle part of top preformed hole 3 is outwards formed with an annular groove 9.
Described top preformed hole 3 and the quantity of bottom preformed hole 7 are 8.
Between described adjacent subfoundation plate 2, be welded into entirety by the pre-buried channel-section steel 8 of correspondence position.
The installation process of superposed type airfield pavement structure provided by the invention is as follows: first upper strata pavement slab 1 and subfoundation plate 2 are prefabricated in the factory, then be transported to scene, when laying, subfoundation plate 2 is laid on soil matrix, and pre-buried channel-section steel 8 corresponding on adjacent subfoundation plate 2 is welded together, thus polylith subfoundation plate 2 is connected into entirety, then upper strata pavement slab 1 is superimposed on subfoundation plate 2, multiple pre-buried channel-section steel 8 on subfoundation plate 2 is embedded in respectively in the multiple corresponding preformed groove 4 on upper strata pavement slab 1 back side, afterwards by many screw rods 5 through the multiple bottoms preformed hole 7 on the multiple pre-buried channel-section steel 8 of the multiple tops preformed hole 3 on upper strata pavement slab 1 and subfoundation plate 2, and the lower end of many screw rods 5 is threaded in respectively in the screw of the multiple embedded nuts 6 on subfoundation plate 2, thereby realizing upper strata pavement slab 1 is connected with the reliable of subfoundation plate 2.
Need to change when the 1 appearance damage of upper strata pavement slab time, first by screw rod 5 from the interior taking-up of top preformed hole 3, then suspension hook stretched in top preformed hole 3 and hook the groove 9 in it, afterwards upper strata pavement slab 1 being sling, finally installing as stated above newer upper strata pavement slab 1.
Claims (4)
1. a superposed type airfield pavement structure, it is characterized in that: described superposed type airfield pavement structure is made up of upper strata pavement slab (1), subfoundation plate (2) and many screw rods (5), its at the middle and upper levels pavement slab (1) be square, Si Ge angle, its back side place is formed with respectively a right angle type preformed groove (4), is formed with respectively the top preformed hole (3) that at least one vertically runs through upper strata pavement slab (1) on each right-angle side of preformed groove (4); Subfoundation plate (2) is also square, its four angles place, surface is separately installed with one and gives prominence to outside the surface of subfoundation plate (2) and can be embedded in the pre-buried channel-section steel of right angle type (8) in an above-mentioned preformed groove (4), on each right-angle side of pre-buried channel-section steel (8), be formed with respectively a bottom preformed hole (7) corresponding with top preformed hole (3) position, on the subfoundation plate (2) under each bottom preformed hole (7), an embedded nut (6) be installed; Every screw rod (5) runs through after a top preformed hole (3) and a bottom preformed hole (7) successively, described screw rod (5) lower end is threaded in the screw of an embedded nut (6), thus upper strata pavement slab (1) and superimposed the linking together of subfoundation plate (2).
2. superposed type airfield pavement structure according to claim 1, is characterized in that: the described interior middle part of top preformed hole (3) is outwards formed with an annular groove (9).
3. superposed type airfield pavement structure according to claim 1, is characterized in that: described top preformed hole (3) and the quantity of bottom preformed hole (7) are 8.
4. superposed type airfield pavement structure according to claim 1, is characterized in that: the pre-buried channel-section steel (8) by correspondence position between described adjacent subfoundation plate (2) is welded into entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254521.0A CN102733285B (en) | 2012-07-23 | 2012-07-23 | Overlapping type airfield pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254521.0A CN102733285B (en) | 2012-07-23 | 2012-07-23 | Overlapping type airfield pavement structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102733285A CN102733285A (en) | 2012-10-17 |
| CN102733285B true CN102733285B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210254521.0A Expired - Fee Related CN102733285B (en) | 2012-07-23 | 2012-07-23 | Overlapping type airfield pavement structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547191A (en) * | 2018-05-31 | 2018-09-18 | 无锡市政设计研究院有限公司 | A kind of assembled road structure and its construction technology |
| CN112746543B (en) * | 2020-12-21 | 2022-03-25 | 民航机场建设工程有限公司 | Novel airport assembled pavement system |
| CN114908626A (en) * | 2022-05-06 | 2022-08-16 | 交通运输部公路科学研究所 | Vertical connecting device between assembled runway concrete pavement slab layers of newly-built airport |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300320A (en) * | 1979-11-13 | 1981-11-17 | Havens Steel Company | Bridge section composite and method of forming same |
| US4531857A (en) * | 1982-09-30 | 1985-07-30 | Bettigole Neal H | Prefabricated pavement module |
| JPH06336704A (en) * | 1993-05-26 | 1994-12-06 | Katsuya Hiraoka | Concrete precast floor slab and production thereof and construction by use thereof |
| JPH11350409A (en) * | 1998-06-10 | 1999-12-21 | Oriental Construction Co Ltd | Joint structure for precast pc board pavement using pad board |
| CN1446981A (en) * | 2003-02-11 | 2003-10-08 | 陈华伦 | Method for fast building roads and fabricated parts utilized |
| CN1876960A (en) * | 2006-06-02 | 2006-12-13 | 马俊 | Reinforced concrete pavement member |
-
2012
- 2012-07-23 CN CN201210254521.0A patent/CN102733285B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300320A (en) * | 1979-11-13 | 1981-11-17 | Havens Steel Company | Bridge section composite and method of forming same |
| US4531857A (en) * | 1982-09-30 | 1985-07-30 | Bettigole Neal H | Prefabricated pavement module |
| JPH06336704A (en) * | 1993-05-26 | 1994-12-06 | Katsuya Hiraoka | Concrete precast floor slab and production thereof and construction by use thereof |
| JPH11350409A (en) * | 1998-06-10 | 1999-12-21 | Oriental Construction Co Ltd | Joint structure for precast pc board pavement using pad board |
| CN1446981A (en) * | 2003-02-11 | 2003-10-08 | 陈华伦 | Method for fast building roads and fabricated parts utilized |
| CN1876960A (en) * | 2006-06-02 | 2006-12-13 | 马俊 | Reinforced concrete pavement member |
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| CN102733285A (en) | 2012-10-17 |
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