CN205276086U - Expansion joint device is handled to combined type road surface tip - Google Patents

Expansion joint device is handled to combined type road surface tip Download PDF

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Publication number
CN205276086U
CN205276086U CN201520960123.XU CN201520960123U CN205276086U CN 205276086 U CN205276086 U CN 205276086U CN 201520960123 U CN201520960123 U CN 201520960123U CN 205276086 U CN205276086 U CN 205276086U
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China
Prior art keywords
expansion joint
pavement
asphalt
expansion
band
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CN201520960123.XU
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Chinese (zh)
Inventor
王阳
叶春
张泳
廖祁明
邓志勇
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Wisdri Engineering and Research Incorporation Ltd
Wisdri Urban Construction Engineering Technology Co Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Abstract

The utility model provides an expansion joint device is handled to combined type road surface tip, including continuous arrangement of reinforcement concrete slab, the asphalt concrete surface course, and establish at the continuous expansion joint of arrangement of reinforcement concrete slab and asphalt concrete surface course tip, set up the embedded bar of indulging transverse distribution in succession in arrangement of reinforcement concrete slab and the asphalt concrete surface course, the two interior side -mounting expansion joint deformed steel flatss at expansion joint, this expansion joint deformed steel flats is fixed with pre -buried steel bar connection, pour the steel fiber concrete post -cast strip outside the both sides of expansion joint, foaming sealing strip and asphalt waterproofing area have been filled in in the expansion joint, upper portion installation rubber waterstop in the expansion joint. The utility model discloses a through set up foaming sealing strip and asphalt waterproofing area in the expansion joint, strengthen the waterproof very strong elasticity that has simultaneously, can prevent effectively that the rubber waterstop from pricking back road surface water and getting into and cause that the basic unit is loose under the continuous arrangement of reinforcement concrete slab, the while can prevent debris entering expansion joint after the damage of V type rubber waterstop, influences freely stretching out and drawing back of expansion joint.

Description

A kind of composite pavement end portion treatment expansion gap device
Technical field
The utility model belongs to highways and streets Pavement Design and technical field of construction, is specifically related to a kind of composite pavement end portion treatment expansion gap device, is applicable to continuous armored concrete and the end portion treatment of bituminous concrete composite pavement.
Background technology
Composite pavement refers to the road surface that surface layer is composited by the structural sheet of two kinds of differing materials types and mechanical property. Conventional structure has the compound of normal concrete, roller compacted concrete, poor concrete or continuous armored concrete and oil mat. Wherein, continuous armored concrete has given full play to different ground surface material advantage separately from bituminous concrete composite pavement, hard and soft double Ji; The continuous reinforced concrete pavement of high strength improves the supporting capacity of bituminous pavement as rigid base, meets the requirement of the loading conditions such as heavy duty, overload, heavy traffic; Asphalt concrete pavement improves the using character on surface, concrete road surface, meets automobile high-speed rideability requirement, and maintains conveniently. Such composite pavement can fully meet the weather resistance requirement of pavement structure under heavy duty transportation condition, is that the current environment of China and condition lower long lifetime road base want one of structure formation.
Continuous armored concrete and bituminous concrete composite pavement are owing to configuring vertical and horizontal continuous reinforcing bar, contracting seam and swollen seam can be set in very long distance, but bigger horizontal shift and horizontal thrust can be accumulated in the end of every section of continuous reinforced concrete pavement, therefore anchoring or flexible device must be set in end.
At present, conventional end portion treatment mode has Steel Concrete grade beam anchoring, cast in place concrete pile anchoring, wide edge of a wing steel I-beam and bridge expanssion joint hair to strangle seam. Arrange end portion treatment mode that bridge expanssion joint hair strangles seam because of technology maturation, slip form paver can be adapted to construct continuously, comparatively extensive in real project. But, adopt bridge expanssion joint hair strangle seam end portion treatment mode, owing to V-type rubber fastening band is easily punctured, also there is waterproof ability deficiency, the later stage stretch be obstructed, basis easy loose fracture shortcoming. And it is different from the expansion joint of bridge, and it is roadbase below the expansion joint of continuous armored concrete and bituminous concrete composite pavement, rainwater is once infiltrate after basic unit from expansion joint and can produce various disease, therefore that expansion joint waterproof requirement is more strict.
Practical novel content
The purpose of this utility model is to provide a kind of composite pavement end portion treatment expansion gap device, and water resistance is good, weather resistance is strong, can fully extend the work-ing life of road.
The technical solution of the utility model there is provided a kind of composite pavement end portion treatment expansion gap device, comprise continuous reinforced concrete pavement, paving builds the asphalt concrete pavement on continuous reinforced concrete pavement, and it is arranged on continuous reinforced concrete pavement and the expansion joint of asphalt concrete pavement end, the rubber fastening band arranged in expansion joint, what be provided with vertical lateral distribution in described continuous reinforced concrete pavement and asphalt concrete pavement buries reinforcing bar in advance, expansion joint abnormity steel plate is installed inside the two of described expansion joint, this expansion joint abnormity steel plate with bury bar connecting in advance and fix, Steel Fiber Reinforced Concrete post-cast strip has been built outside both sides, expansion joint, foaming sealed strip and asphalt waterproofing band has been filled in successively in described expansion joint, described rubber fastening band is arranged on above asphalt waterproofing band, rubber fastening band two ends are fixed on the expansion joint abnormity steel plate of both sides, expansion joint.
Further, being provided with two layers of foaming sealed strip and asphalt waterproofing band in above-mentioned expansion joint, foaming sealed strip and asphalt waterproofing band are interspersed from the bottom to top.
Further, the height of above-mentioned asphalt waterproofing band is 12cm.
Further, the superiors' asphalt waterproofing band 2��3cm lower than rubber fastening band in above-mentioned expansion joint.
Further, below above-mentioned continuous reinforced concrete pavement expansion joint position, road width is provided with armored concrete sleeper beam.
Further, the reinforcing mat of vertical transverse reinforcement composition it is distributed with in above-mentioned armored concrete sleeper beam.
Further, it is provided with anti-seepage geotextile between above-mentioned armored concrete sleeper beam and continuous reinforced concrete pavement.
Compared with prior art, the beneficial effects of the utility model:
(1) this kind of composite pavement end portion treatment expansion gap device that the utility model provides by setting up foaming sealed strip and asphalt waterproofing band in expansion joint, strengthen waterproof and also there is very strong retractility simultaneously, can effectively prevent from rubber fastening band from puncturing under rear road surface water enters continuous reinforced concrete pavement causing that basic unit is loose, purt mud, after can also preventing rubber fastening band breakage, foreign material enter expansion joint, affect freely stretching of expansion joint.
(2) this kind of composite pavement end portion treatment expansion gap device that the utility model provides arranges armored concrete sleeper beam below expansion joint, can effectively resist wheel through continuous reinforced concrete pavement end, expansion joint to the shock action of basic unit, prevent basic unit because repeating to pat, knock generation fracture and fragmentation, extend the work-ing life of road.
(3) this kind of composite pavement end portion treatment expansion gap device that the utility model provides lays the anti-seepage geotextile of one layer of primary coat heated bitumen between armored concrete sleeper beam and continuous reinforced concrete pavement, strengthen expansion joint waterproof further, play isolation effect simultaneously, frictional force between continuous reinforced concrete pavement and sleeper beam is reduced, stretching is independent of each other, and avoids flexible being obstructed to produce crack.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model composite pavement end portion treatment expansion gap device.
Description of reference numerals: 1, continuous reinforced concrete pavement; 2, asphalt concrete pavement; 3, Steel Fiber Reinforced Concrete; 4, expansion joint abnormity steel plate; 5, rubber fastening band; 6, reinforcing bar is buried in advance; 7, foam sealed strip; 8, asphalt waterproofing band; 9, anti-seepage geotextile; 10, armored concrete sleeper beam; 11, reinforcing mat.
Embodiment
Embodiment 1:
Present embodiments provide a kind of composite pavement end portion treatment expansion gap device as shown in Figure 1, comprise continuous reinforced concrete pavement 1, paving builds the asphalt concrete pavement 2 on continuous reinforced concrete pavement 1, and it is arranged on continuous reinforced concrete pavement 1 and the expansion joint of asphalt concrete pavement 2 end, the rubber fastening band 5 arranged in expansion joint, what be provided with vertical lateral distribution in described continuous reinforced concrete pavement 1 and asphalt concrete pavement 2 buries reinforcing bar 6 in advance, abnormity steel plate 4 in side installation expansion joint in the two of described expansion joint, this expansion joint abnormity steel plate 4 with bury reinforcing bar 6 in advance and be connected and fixed, Steel Fiber Reinforced Concrete post-cast strip 3 has been built outside both sides, expansion joint, foaming sealed strip 7 and asphalt waterproofing band 8 has been filled in successively in described expansion joint, described rubber fastening band 5 is arranged on above asphalt waterproofing band 8, rubber fastening band 5 two ends are fixed on the expansion joint abnormity steel plate 4 of both sides, expansion joint. wherein, rubber fastening band 5 is V-type rubber fastening band.
As one preferred embodiment, being provided with two layers of foaming sealed strip 7 and asphalt waterproofing band 8 in described expansion joint, foaming sealed strip 7 and asphalt waterproofing band 8 are interspersed from the bottom to top; The height of asphalt waterproofing band 8 is 12cm; The superiors' asphalt waterproofing band 8 2��3cm lower than rubber fastening band 5 in expansion joint; Foaming sealed strip 7 adopts snappiness circle foaming sealed strip, and asphalt waterproofing band 8 adopts high-viscosity high-elasticity modifying asphalt.
This kind of composite pavement end portion treatment expansion gap device that the present embodiment provides by setting up foaming sealed strip and asphalt waterproofing band in expansion joint, strengthen waterproof and also there is very strong retractility simultaneously, can effectively prevent from V-type rubber fastening band from puncturing under rear road surface water enters continuous reinforced concrete pavement causing that basic unit is loose, purt mud, after can also preventing V-type rubber fastening band breakage, foreign material enter expansion joint, affect freely stretching of expansion joint.
In addition, in order to strengthen the weather resistance of this composite pavement end portion treatment expansion gap device, extend the work-ing life of road, below described continuous reinforced concrete pavement 1 expansion joint position, road width is provided with armored concrete sleeper beam 10; The reinforcing mat 11 of vertical transverse reinforcement composition it is distributed with in armored concrete sleeper beam 10. The design of armored concrete sleeper beam 10 and reinforcing mat 11 can effectively resist wheel through expansion joint continuous reinforced concrete pavement 1 end to the shock action of basic unit, prevents basic unit from producing fracture and broken because repeating to pat, knock.
And in order to strengthen expansion joint water resistance further, between described armored concrete sleeper beam 10 and continuous reinforced concrete pavement 1, it is provided with anti-seepage geotextile 9, scribble heated bitumen bottom this anti-seepage geotextile 9. Meanwhile, this anti-seepage geotextile 9 also can play isolation effect, makes between continuous reinforced concrete pavement 1 and armored concrete sleeper beam 10 frictional force reduce, flexible is independent of each other, avoids flexible being obstructed to produce crack.
Embodiment 2:
Present embodiments providing the specific examples that this composite pavement end portion treatment expansion gap device is applied to loop wire south, Wuhan City three section comprehensive reformation engineering, the concrete installation process of this composite pavement end portion treatment expansion gap device is as follows:
First, after the base layer construction of continuous reinforced concrete pavement 1 with asphalt concrete layer 2 composite pavement completes, the wide rectangular recess of 1m excavates along road width in the basic unit that expansion joint position is corresponding, place the reinforcing mat 11 welded in advance, building armored concrete sleeper beam 10, armored concrete sleeper beam 10 maintenance completes rear surface painting and spills heated bitumen, lays anti-seepage geotextile 9.
Then, that sets up expansion joint buries reinforcing bar 6 in advance, then builds continuous reinforced concrete pavement 1, and after continuous reinforced concrete pavement 1 maintenance completes, place Min layers builds asphalt concrete pavement 2.
Again, when expansion joint is installed, asphalt concrete pavement 2 wide for each for its both sides 30cm and partial continuous armored concrete plate 1 are cut, then expansion joint abnormity steel plate 4 with the expansion joint being associated, is buried reinforcing bar 6 in advance and welds together, then build Steel Fiber Reinforced Concrete post-cast strip 3.
Finally, expansion joint is installed after stablizing, clear up concrete side walls with steel brush, fill in snappiness foaming sealed strip 7, water the asphalt waterproofing band 8 spilling the molten high-viscosity high-elasticity modifying asphalt of heat, asphalt waterproofing band 8 highly about 12cm, form first water blocking tape, then fill in snappiness foaming sealed strip 7, continue to water the asphalt waterproofing band 8 spilling the molten high-viscosity high-elasticity modifying asphalt of heat, make its 2��3cm slightly lower than V-type rubber fastening band 5, then V-type rubber fastening band 5 is installed.
This kind of composite pavement end portion treatment expansion gap device that the utility model provides is applied in the section comprehensive reformation engineering of loop wire south, Wuhan City three, service condition is good, waterproof effect is excellent, and basic unit's integrity is good, without loose, wrong platform phenomenon do not occur in two ends, expansion joint.
More than enumerating is only to illustration of the present utility model, does not form the restriction to protection domain of the present utility model, and every design same or similar with the utility model all belongs within protection domain of the present utility model.

Claims (7)

1. a composite pavement end portion treatment expansion gap device, comprise continuous reinforced concrete pavement (1), paving builds the asphalt concrete pavement (2) on continuous reinforced concrete pavement (1), and it is arranged on continuous reinforced concrete pavement (1) and the expansion joint of asphalt concrete pavement (2) end, the rubber fastening band (5) arranged in expansion joint, it is characterized in that: what be provided with vertical lateral distribution in described continuous reinforced concrete pavement (1) and asphalt concrete pavement (2) buries reinforcing bar (6) in advance, side installation expansion joint abnormity steel plate (4) in the two of described expansion joint, this expansion joint abnormity steel plate (4) with bury reinforcing bar (6) in advance and be connected and fixed, Steel Fiber Reinforced Concrete post-cast strip (3) has been built outside both sides, expansion joint, foaming sealed strip (7) and asphalt waterproofing band (8) has been filled in successively in described expansion joint, described rubber fastening band (5) is arranged on asphalt waterproofing band (8) top, rubber fastening band (5) two ends are fixed on expansion joint abnormity steel plate (4) of both sides, expansion joint.
2. composite pavement end portion treatment expansion gap device as claimed in claim 1, it is characterized in that: being provided with two layers of foaming sealed strip (7) and asphalt waterproofing band (8) in described expansion joint, foaming sealed strip (7) and asphalt waterproofing band (8) are interspersed from the bottom to top.
3. composite pavement end portion treatment expansion gap device as claimed in claim 1 or 2, it is characterised in that: the height of described asphalt waterproofing band (8) is 12cm.
4. composite pavement end portion treatment expansion gap device as claimed in claim 1 or 2, it is characterised in that: the superiors' asphalt waterproofing band (8) 2��3cm lower than rubber fastening band (5) in described expansion joint.
5. composite pavement end portion treatment expansion gap device as claimed in claim 1 or 2, it is characterised in that: below described continuous reinforced concrete pavement (1) expansion joint position, road width is provided with armored concrete sleeper beam (10).
6. composite pavement end portion treatment expansion gap device as claimed in claim 5, it is characterised in that: the reinforcing mat (11) being distributed with vertical transverse reinforcement composition in described armored concrete sleeper beam (10).
7. composite pavement end portion treatment expansion gap device as claimed in claim 5, it is characterised in that: it is provided with anti-seepage geotextile (9) between described armored concrete sleeper beam (10) and continuous reinforced concrete pavement (1).
CN201520960123.XU 2015-11-27 2015-11-27 Expansion joint device is handled to combined type road surface tip Active CN205276086U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108642996A (en) * 2018-04-28 2018-10-12 中国中元国际工程有限公司 A kind of first floor or basement roof and road/square deformation joint and its construction method
CN108842560A (en) * 2018-06-26 2018-11-20 中国冶集团有限公司 Concrete road surface and its construction method with expansion joint (E.J.) telescopic device
CN111074709A (en) * 2018-10-19 2020-04-28 王荷香 Stone paving construction method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108642996A (en) * 2018-04-28 2018-10-12 中国中元国际工程有限公司 A kind of first floor or basement roof and road/square deformation joint and its construction method
CN108642996B (en) * 2018-04-28 2021-02-09 中国中元国际工程有限公司 Deformation joint for first floor or basement roof and road square and construction method thereof
CN108842560A (en) * 2018-06-26 2018-11-20 中国冶集团有限公司 Concrete road surface and its construction method with expansion joint (E.J.) telescopic device
CN111074709A (en) * 2018-10-19 2020-04-28 王荷香 Stone paving construction method
CN111074709B (en) * 2018-10-19 2021-08-27 王荷香 Stone paving construction method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201204

Address after: 430223. 33, University Road, East Lake Development Zone, Wuhan, Hubei

Patentee after: WISDRI URBAN CONSTRUCTION ENGINEERING TECHNOLOGY Co.,Ltd.

Patentee after: China Metallurgical South Engineering Technology Co.,Ltd.

Address before: 430223. 33, University Road, East Lake New Technology Development Zone, Wuhan, Hubei

Patentee before: China Metallurgical South Engineering Technology Co.,Ltd.