CN109826093A - A kind of bituminous concrete seamless expansion-contraction devices and its construction method - Google Patents
A kind of bituminous concrete seamless expansion-contraction devices and its construction method Download PDFInfo
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- CN109826093A CN109826093A CN201910125204.0A CN201910125204A CN109826093A CN 109826093 A CN109826093 A CN 109826093A CN 201910125204 A CN201910125204 A CN 201910125204A CN 109826093 A CN109826093 A CN 109826093A
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Abstract
The invention discloses a kind of bituminous concrete seamless expansion-contraction devices and its construction methods, the bituminous concrete seamless expansion-contraction devices include bituminous concrete pouring layer, transverse joint plate, separation layer and intermediate zone of mating formation, the top at expansion joint that the transverse joint plate is layed between two bridge ends or is formed between abutment parados and bridge end, transverse joint plate quantity is multi-disc, its length is greater than the width at expansion joint, mat formation transition zone setting in bridge deck pavement to the side extended at expansion joint, separation layer is layed in formed between two intermediate zones of mating formation after pour the bottom surface of notch, separation layer is set to the top surface of transverse joint plate, bituminous concrete pouring layer is poured in notch after being set to above separation layer, be in contact with the bituminous concrete pouring layer surface of side of intermediate zone of mating formation is set as waveform.The present invention has rational design and easy for construction, under the conditions of meeting bridge structure dilatation, increases driving comfort level and reduces the maintenance of telescopic device, have good engineering application value.
Description
[technical field]
The present invention relates to the technical field of science of bridge building expansion joint design and construction, especially a kind of bituminous concrete is seamless
Telescopic device and its construction method.
[background technique]
With the fast development of China's economy, traffic volume of highway is sharply increased, the travel speed and vehicle of vehicle on highway
Load-carrying constantly increase, requirement of the people to road-ability is also higher and higher, therefore payes attention to not in previous Bridge Design, construction
The problem of enough related expansion gap devices, since the problems such as breakage at expansion joint, notch blocking, stuck and expansion joint are broken causes
Traffic safety accident, prestress steel sinew anchor head corrosion and support water enchroachment (invasion) evil the problems such as, become more and more prominent.
The expansion gap device of highway bridge directly bears the repeated stock effect of wheel load, and is chronically exposed to atmosphere
In, use environment is severe, is that bridge structure is most subject to the position destroyed and be difficult to repair.Bridge expansion joint installation is being set
There are tiny flaw or deficiencies on meter, construction, will cause the destruction of early stage, and bridge passenger is made to generate sense of discomfort, sometimes also
Influence whether bridge structure itself, therefore the present invention proposes a kind of bituminous concrete seamless expansion-contraction devices and its construction method.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, propose a kind of bituminous concrete seamless expansion-contraction devices and
Its construction method, simple structure, design are reasonable and easy for construction, under the conditions of meeting bridge structure dilatation, increase row
Vehicle comfort level and the maintenance for reducing telescopic device have good engineering application value.
To achieve the above object, the invention proposes a kind of bituminous concrete seamless expansion-contraction devices, including bituminous concrete
Pouring layer, transverse joint plate, separation layer and intermediate zone of mating formation, the transverse joint plate be layed between two bridge ends or abutment parados with
The top at the expansion joint formed between bridge end, the length of the transverse joint plate are greater than the width at expansion joint, the transition of mating formation
Band is set to bridge deck pavement to the side of extension at expansion joint, and the separation layer is layed between two intermediate zones of mating formation and is formed
After pour the bottom surface of notch, the separation layer is set to the top surface of transverse joint plate, and the bituminous concrete pouring layer is set to separation layer
It is poured in notch behind top, be in contact with the bituminous concrete pouring layer surface of side of the intermediate zone of mating formation is set as wave
Shape.
Preferably, further including bitumen layer, the bitumen layer is sake layer, is set to mat formation intermediate zone and bituminous concrete
Pouring layer top surface, the intermediate zone of mating formation, bituminous concrete pouring layer top surface lower than the top surface of bridge deck pavement be not less than
1cm。
Preferably, the top surface of the intermediate zone of mating formation, bituminous concrete pouring layer is equal with the top surface of bridge deck pavement
Together.
Preferably, the transverse joint plate material is thin steel bar or other hard sheet materials, quantity is multi-disc, and length is super
Expansion joint width is crossed not less than 4cm.
A kind of construction method of bituminous concrete seamless expansion-contraction devices, comprising the following steps:
Step 1. is mated formation the pouring construction of intermediate zone: when bridge deck pavement is bituminous concrete, then being needed to intermediate zone of mating formation
Independent Reinforcement Design or fashioned iron reinforce design, and customize independent template forming, Zhi Houli to the waved surface by bitumen concrete side
Module and cast-in-situ is mated formation intermediate zone, and transition band strength of mating formation can pour bridge floor bituminous concrete after reaching requirement；Bridge deck pavement is
When cement concrete, natural prolongation of the intermediate zone of mating formation as bridge deck pavement, the Reinforcement Design together with bridge deck pavement,
Cast in situs together forms whole load part later；
Step 2. installs transverse joint plate, separation layer: transverse joint plate need to be thin from the thin steel bar of strip of one fixed width or other hard
Sheet material is cut into the small pieces of 7~15cm long, is laid in the bridge end top surface of sealing two sides between two parties later, and it is mixed to become top pitch
The supporting member of solidifying soil pouring layer；Then separation layer is laid on transverse joint plate, separation layer pours pocket bottom blend compounds after need to completely spreading
Glutinous agent cements therewith；
Step 3. pours bituminous concrete pouring layer: after the installation for completing separation layer, so that it may carry out next step pitch coagulation
The cast-in-place construction of native pouring layer, first asphalt material heating and melting, other mineral materials stirring that corresponding proportion is added later is equal
Even, layering is poured in notch after pouring into after discharging, is pressed closely with baby roller layering, is controlled curing time, ultimately form
Meet the elaterite concrete of requirement for bearing capacity and flexible displacement requirement；
Step 4. pours top surface bitumen layer: when the setting of intermediate zone of mating formation top surface is lower than bridge deck pavement top surface, mating formation
Cross band, the top surface of bituminous concrete pouring layer pours top surface bitumen layer, its top surface and bridge deck pavement top surface phase after pressing closely
Concordantly；If existing intermediate zone top surface of mating formation is arranged than bridge deck pavement either flush, do not need to pour top surface bitumen layer.
Preferably, the intermediate zone of mating formation is one of cast-in-situ steel reinforced concrete, steel reinforced concrete, ratio is arranged in top surface
Bridge deck pavement top surface is low to be not less than 1cm, is arranged to waveform close to one side surface of bituminous concrete pouring layer, to reinforce and drip
Green concrete lift coheres.
Preferably, the bituminous concrete pour layer material be high strength and high flexibility bituminous concrete, elaterite concrete,
One of rubber modified asphalt concrete, modified asphalt concrete.
Preferably, the transverse joint plate material is thin steel bar or other hard sheet materials, length is more than flexible slit width
Degree is not less than 4cm.
Preferably, the insolated layer materials are one of metal foil paper, structure fiber cloth, mixed pitch is isolated
Cohering between solidifying soil pouring layer and lower section bridge end.
Preferably, the pitch layer material is high strength and high flexibility pitch, elaterite, rubber modified asphalt, modified pitch
One of.
Beneficial effects of the present invention: the present invention passes through bituminous concrete pouring layer, transverse joint plate, separation layer and intermediate zone of mating formation
Deng combination, continuous entirety can be formed with deck paving, overcome the bridge floor out-of-flatness easily occurred at bridge expanssion joint, mistake
Situations such as platform, irregular twisted and expansion joint, steady comfort of driving a vehicle are good；It can adapt to a variety of addendum modifications, design is reasonable, full
Under the conditions of sufficient bridge structure dilatation, increases driving comfort level and reduce the maintenance of telescopic device, have fine
Engineering application value.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is the first of the seamless expansion-contraction devices of a kind of bituminous concrete seamless expansion-contraction devices of the present invention and its construction method
The cross section structure schematic diagram of embodiment；
Fig. 2 is the second of the seamless expansion-contraction devices of a kind of bituminous concrete seamless expansion-contraction devices of the present invention and its construction method
The cross section structure schematic diagram of embodiment.
In figure: 1- bituminous concrete pouring layer, 2- transverse joint plate, 3- separation layer, 4- bitumen layer, 5- mat formation intermediate zone, 6- bridge
Face pave-load layer, 7- bridge end.
[specific embodiment]
Embodiment 1
Refering to fig. 1, a kind of bituminous concrete seamless expansion-contraction devices of the present invention, including bituminous concrete pouring layer 1, transverse joint plate
2, separation layer 3 and intermediate zone 5 of mating formation, the transverse joint plate 2 is layed between two bridge ends 7 or abutment parados and bridge end
Between the top at expansion joint that is formed, the length of the transverse joint plate 2 is more than that expansion joint width is not less than 4cm, the transition of mating formation
Bridge deck pavement 6 is set to the side of extension at expansion joint with 5, and the separation layer 3 is layed between two intermediate zones 5 of mating formation
The bottom surface of notch is poured after being formed, the separation layer 3 is set to the top surface of transverse joint plate 2, and the bituminous concrete pouring layer 1 is set to
Separation layer 3 pours in notch behind top, and be in contact with bituminous concrete pouring layer 1 surface of side of the intermediate zone 5 of mating formation is set
It is set to waveform, to reinforce cohering with bituminous concrete pouring layer 1.
It further, further include bitumen layer 4, the bitumen layer 4 is sake layer, and it is mixed to be set to mat formation intermediate zone 5 and pitch
1 top surface of solidifying soil pouring layer, the intermediate zone 5 of mating formation, the top surface of bituminous concrete pouring layer 1 are lower than the top surface of bridge deck pavement 6
Not less than 1cm.
Embodiment 2
Referring to Fig.2, the difference from embodiment 1 is that: do not have bitumen layer 4, the mat formation intermediate zone 5, bituminous concrete
The top surface of pouring layer 1 and the top surface flush of bridge deck pavement 6.
Refering to fig. 1, a kind of construction method of bituminous concrete seamless expansion-contraction devices, includes the following steps:
Step 1. is mated formation the pouring construction of intermediate zone 5: when bridge deck pavement 6 is bituminous concrete, then being needed to transition of mating formation
The independent Reinforcement Design of band 5 or fashioned iron reinforce design, and customize independent template forming to the waved surface by bitumen concrete side, later
The cast-in-place intermediate zone 5 of mating formation of formwork erection, 5 intensity of intermediate zone of mating formation can pour bridge floor bituminous concrete after reaching requirement；Deck paving
When layer 6 is cement concrete, natural prolongation of the intermediate zone of mating formation 5 as bridge deck pavement 6, together with bridge deck pavement 6
Reinforcement Design, together cast in situs form whole load part later；The intermediate zone 5 of mating formation is cast-in-situ steel reinforced concrete, type
One of steel concrete；
Step 2. installs transverse joint plate 2, separation layer 3: transverse joint plate 2 need to be from the thin steel bar of strip of one fixed width or other hard
Sheeting is cut into the small pieces of 7~15cm long, is laid in the beam slab top surface of sealing two sides, 2 width of transverse joint plate between two parties later
It is not less than 4cm more than expansion joint width, becomes the supporting member of top bituminous concrete pouring layer 1；Then on 2 upper berth of transverse joint plate
If separation layer 3, separation layer 3 pours the glutinous agent of pocket bottom blend compounds and cements therewith after need to completely spreading；2 material of transverse joint plate is thin steel bar
Or other hard sheet materials.3 material of separation layer is one of metal foil paper, structure fiber cloth, drip is isolated
Cohering between green concrete lift 1 and lower section bridge end 7；
Step 3. pours bituminous concrete pouring layer 1: after the installation for completing separation layer 3, so that it may it is mixed to carry out next step pitch
Other mineral materials stirring of corresponding proportion is added first asphalt material heating and melting in the cast-in-place construction of solidifying soil pouring layer 1 later
Uniformly, layering is poured in notch after pouring into after discharging, is pressed closely with baby roller layering, is controlled curing time, most end form
At the elaterite concrete for meeting requirement for bearing capacity and flexible displacement requirement；The intermediate zone 5 of mating formation is close to pitch
1 one side surface of concrete lift is arranged to waveform, to reinforce cohering with bituminous concrete pouring layer 1；The pitch is mixed
Solidifying soil 1 material of pouring layer is high strength and high flexibility bituminous concrete, elaterite concrete, rubber modified asphalt concrete, modified drip
One of green concrete；
Step 4. pours top surface bitumen layer 4: when the setting of 5 top surface of intermediate zone of mating formation is lower than 6 top surface of bridge deck pavement, mating formation
Intermediate zone 5, bituminous concrete pouring layer 1 top surface pour top surface bitumen layer 4, its top surface and bridge deck pavement 6 after pressing closely
Top surface flush；When 5 top surface of intermediate zone of mating formation is arranged than 6 either flush of bridge deck pavement, do not need to pour top surface bitumen layer 4.
4 material of bitumen layer is one of high strength and high flexibility pitch, elaterite, rubber modified asphalt, modified pitch
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of bituminous concrete seamless expansion-contraction devices, it is characterised in that: including bituminous concrete pouring layer (1), transverse joint plate
(2), separation layer (3) and intermediate zone of mating formation (5), the transverse joint plate (2) is layed between two bridge ends (7) or abutment parados
The top at the expansion joint formed between bridge end, transverse joint plate (2) quantity are multi-disc, and length is greater than the width at expansion joint
Degree, the intermediate zone of mating formation (5) are set to bridge deck pavement (6) to the side of extension at expansion joint, and the separation layer (3) is laid with
The bottom surface of notch is poured after being formed between two intermediate zones of mating formation (5), the separation layer (3) is set to the top of transverse joint plate (2)
Face, the bituminous concrete pouring layer (1) are poured in notch after being set to above separation layer (3), the intermediate zone of mating formation (5) and drip
The be in contact surface of side of green concrete lift (1) is set as waveform.
2. a kind of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: it further include bitumen layer (4),
The bitumen layer (4) is sake layer, is set to intermediate zone of mating formation (5) and bituminous concrete pouring layer (1) top surface.
3. a kind of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: the intermediate zone of mating formation
(5), the top surface of bituminous concrete pouring layer (1) is lower than the top surface of bridge deck pavement (6) is not less than 1cm.
4. a kind of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: transverse joint plate (2) material
Material is thin steel bar or other hard sheet materials, and quantity is multi-disc, and length is more than that expansion joint width is not less than 4cm.
5. a kind of construction method of bituminous concrete seamless expansion-contraction devices as described in claim 1, it is characterised in that: including as follows
Step:
Step 1. is mated formation the pouring constructions of intermediate zone (5): when bridge deck pavement (6) is bituminous concrete, then being needed to transition of mating formation
Individually Reinforcement Design or fashioned iron reinforce design to band (5), and customize independent template forming to the waved surface by bitumen concrete side, it
The cast-in-place intermediate zone of mating formation (5) of formwork erection afterwards, intermediate zone of mating formation (5) intensity can pour bridge floor bituminous concrete after reaching requirement；Bridge
When face pave-load layer (6) is cement concrete, natural prolongation of the intermediate zone of mating formation (5) as bridge deck pavement (6), with bridge floor
Reinforcement Design, together cast in situs form whole load part to pave-load layer (6) later together；
Step 2. installs transverse joint plate (2), separation layer (3): transverse joint plate (2) need to be from the thin steel bar of strip of one fixed width or other are hard
Matter sheeting is cut into the small pieces of 7~15cm long, is laid in bridge end (7) top surface of sealing two sides between two parties later, become on
The supporting member of portion's bituminous concrete pouring layer (1)；Then separation layer (3) are laid on transverse joint plate (2), separation layer (3) need to expire
Paving pours the glutinous agent of pocket bottom blend compounds and cements therewith；
Step 3. pours bituminous concrete pouring layer (1): after the installation for completing separation layer (3), so that it may it is mixed to carry out next step pitch
The cast-in-place construction of solidifying soil pouring layer (1), first asphalt material heating and melting, other mineral materials that corresponding proportion is added later are stirred
It mixes uniformly, layering is poured in notch after pouring into after discharging, is pressed closely with baby roller layering, is controlled curing time, finally
Form the elaterite concrete for meeting requirement for bearing capacity and flexible displacement requirement；
Step 4. pours top surface bitumen layer (4): when the setting of intermediate zone of mating formation (5) top surface is lower than bridge deck pavement (6) top surface, spreading
Fill intermediate zone (5), the top surface of bituminous concrete pouring layer (1) pours top surface bitumen layer (4), its top surface and bridge floor after pressing closely
Pave-load layer (6) top surface flush；If existing intermediate zone of mating formation (5) top surface setting is with bridge deck pavement (6) either flush, no
Need to pour top surface bitumen layer (4).
6. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: the paving
Filling intermediate zone (5) is one of cast-in-situ steel reinforced concrete, steel reinforced concrete, and top surface setting is lower than bridge deck pavement (6) top surface
Not less than 1cm, it is arranged to waveform close to (1) one side surface of bituminous concrete pouring layer, to reinforce pouring with bituminous concrete
Layer (1) coheres.
7. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: the drip
Green concrete lift (1) material be high strength and high flexibility bituminous concrete, elaterite concrete, rubber modified asphalt concrete,
One of modified asphalt concrete.
8. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: it is described across
Stitching plate (2) material is thin steel bar or other hard sheet materials, and length is more than that expansion joint width is not less than 4cm.
9. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: it is described every
Absciss layer (3) material is one of metal foil paper, structure fiber cloth, bituminous concrete pouring layer (1) and lower section is isolated
Cohering between bridge end (7).
10. a kind of construction method of bituminous concrete seamless expansion-contraction devices as claimed in claim 5, it is characterised in that: described
Bitumen layer (4) material is one of high strength and high flexibility pitch, elaterite, rubber modified asphalt, modified pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125204.0A CN109826093B (en) | 2019-02-20 | 2019-02-20 | Asphalt concrete seamless expansion device and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910125204.0A CN109826093B (en) | 2019-02-20 | 2019-02-20 | Asphalt concrete seamless expansion device and construction method thereof |
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| CN109826093A true CN109826093A (en) | 2019-05-31 |
| CN109826093B CN109826093B (en) | 2021-05-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965422A (en) * | 2019-12-13 | 2020-04-07 | 江苏中路工程技术研究院有限公司 | Flexible splicing paving structure and construction method thereof |
| CN110983967A (en) * | 2019-12-27 | 2020-04-10 | 同济大学建筑设计研究院(集团)有限公司 | Bridge deck continuous process |
| CN111074762A (en) * | 2019-12-11 | 2020-04-28 | 南通大学 | Seamless expansion joint of compound concrete bridge face of carbon cloth |
| CN113152270A (en) * | 2021-04-22 | 2021-07-23 | 济南金诺公路工程监理有限公司 | Seamless bridge deck expansion joint device and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113152270A (en) * | 2021-04-22 | 2021-07-23 | 济南金诺公路工程监理有限公司 | Seamless bridge deck expansion joint device and construction method thereof |
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| CN109826093B (en) | 2021-05-07 |
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