CN110158462A - Reinforcement construction, concrete-bridge and construction method for concrete-bridge part - Google Patents
Reinforcement construction, concrete-bridge and construction method for concrete-bridge part Download PDFInfo
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- CN110158462A CN110158462A CN201910386054.9A CN201910386054A CN110158462A CN 110158462 A CN110158462 A CN 110158462A CN 201910386054 A CN201910386054 A CN 201910386054A CN 110158462 A CN110158462 A CN 110158462A
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- 238000010276 construction Methods 0.000 title claims abstract description 49
- 230000002787 reinforcement Effects 0.000 title claims abstract description 47
- 239000004567 concrete Substances 0.000 claims abstract description 103
- 239000011374 ultra-high-performance concrete Substances 0.000 claims abstract description 42
- 239000010426 asphalt Substances 0.000 claims abstract description 37
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims description 15
- 239000004593 Epoxy Substances 0.000 claims description 12
- 125000003700 epoxy group Chemical group 0.000 claims description 11
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 24
- 238000013467 fragmentation Methods 0.000 abstract description 10
- 238000006062 fragmentation reaction Methods 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 117
- 239000002689 soil Substances 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of reinforcement constructions for concrete-bridge part, concrete-bridge and construction method, it is related to technical field of bridge construction, concrete-bridge includes bitumen layer, beams of concrete and bridge deck water-proof concrete pavement layer, reinforce construction to be arranged in bridge deck water-proof concrete pavement layer, reinforcing construction includes ultra-high performance concrete layer and connecting plate, ultra-high performance concrete layer is set between bitumen layer and beams of concrete, and ultra-high performance concrete layer connect with beams of concrete it is integral, framework of steel reinforcement is equipped in ultra-high performance concrete layer, connecting plate includes the first connecting plate and the second connecting plate being oppositely arranged up and down, first connecting plate is connect with framework of steel reinforcement top, second connecting plate is connect with framework of steel reinforcement lower part, the present invention can be improved the tensile capacity and Crack Control ability of concrete-bridge weak part, reduce concrete-bridge There is the case where pave-load layer cracking, the fragmentation of beam-ends concrete or concrete badly broken.
Description
Technical field
The present invention relates to technical field of bridge construction, and in particular to a kind of reinforcement construction for concrete-bridge part,
Concrete-bridge and construction method.
Background technique
In multispan system of simple supporting bridge, deformation is continuously located significantly in adjacent bridge bridge face, and stress condition is complicated, and bridge floor is continuous
Structure in terms of stiffness and strength compared with bridge span structure it is all weaker, and construction quality is also difficult to ensure, growing traffic
Demand causes built bridge floor continuously the diseases such as pave-load layer cracking, beam-ends concrete fragmentation occur at seam.Active service concrete bridge
Liang Zhong, since the performances deficiency such as rigidity leads to problems such as the bridge deck concrete badly broken of concrete-bridge emerge one after another.
It is existing for easily there is pave-load layer cracking, the fragmentation of beam-ends concrete or weak point the problems such as concrete badly broken
Position, carries out grouting mending, but this method for repairing and mending cannot improve the stress condition of damaged part, cause usually after breakage
Can still occur damaged phenomenon because of situations such as stress complexity and insufficient rigidity after repairing.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide it is a kind of for concrete-bridge part
Reinforce construction, concrete-bridge and construction method, can be improved the tensile capacity and Crack Control of concrete-bridge weak part
Ability reduces concrete-bridge and the case where pave-load layer cracking, the fragmentation of beam-ends concrete or concrete badly broken occurs.
To achieve the above objectives, the technical solution adopted by the present invention is that:
In a first aspect, the present invention provides a kind of reinforcement construction for concrete-bridge part, the concrete-bridge packet
Bitumen layer, beams of concrete and bridge deck water-proof concrete pavement layer are included, the reinforcement construction is arranged in the bridge deck water-proof concrete
In pave-load layer, the reinforcement construction includes:
Ultra-high performance concrete layer, the ultra-high performance concrete layer is set between the bitumen layer and beams of concrete, and institute
It states ultra-high performance concrete layer and is connect with the beams of concrete integral, reinforcing bar is equipped in the ultra-high performance concrete layer
Frame；
Connecting plate, the connecting plate include the first connecting plate and the second connecting plate being oppositely arranged up and down, and described first connects
Fishplate bar is connect with the framework of steel reinforcement top, and second connecting plate is connect with the framework of steel reinforcement lower part.
Based on the above technical solution, the framework of steel reinforcement includes top mat, lower layer's steel mesh and several perpendicular
To bar planting, several described vertical bar planting one end are fixed with the beams of concrete, the fixed top mat of the other end, described
Lower layer's steel mesh is fixed between the top mat and beams of concrete, and the top mat is close to the side of the bitumen layer
It is fixed with first connecting plate, lower layer's steel mesh is solid close to the side of the beams of concrete and second connecting plate
It is fixed.
Based on the above technical solution, second connecting plate leads to equipped with several for what the vertical bar planting passed through
Hole.
Based on the above technical solution, second connecting plate is bonded with the beams of concrete.
Based on the above technical solution, quick-setting mortar layer is equipped between second connecting plate and the beams of concrete.
Based on the above technical solution, the reinforcement construction is equipped with epoxies waterproof layer with the pitch interlayer.
Based on the above technical solution, the epoxies waterproof layer is epoxy resin adhesive.
Second aspect, the present invention also provides a kind of coagulations equipped with such as above-mentioned reinforcement construction for concrete-bridge part
Native bridge, comprising:
Beams of concrete；
Bitumen layer, the bitumen layer are set to above the beams of concrete；
Bridge deck water-proof concrete pavement layer, the bridge deck water-proof concrete pavement layer are set to the beams of concrete and bitumen layer
Between, it is equipped with the reinforcement in the bridge deck water-proof concrete pavement layer of the concrete-bridge weak part and constructs.
The third aspect, the present invention also provides a kind of construction methods such as above-mentioned concrete-bridge, comprising the following steps:
The beams of concrete joint filling and/or bridge deck water-proof concrete pavement are carried out to the weak part of the concrete-bridge
Layer cutting processing；
Second connecting plate is installed above the weak part of concrete-bridge；
Framework of steel reinforcement and the first connecting plate are installed above the second connecting plate；
Pour the ultra-high performance concrete layer；
To concrete-bridge asphalt layer.
Based on the above technical solution, when being laid with the bitumen layer, the bitumen layer seam and the superelevation
Energy concrete layer seam is shifted to install.
Compared with the prior art, the advantages of the present invention are as follows:
A kind of reinforcement for concrete-bridge part of the invention constructs, the setting connection of concrete-bridge weak part
Plate, can reduce the flexural tensile stress of weak part, and enhance its performance of resisting cracking, meanwhile, it is mixed in weak part setting very-high performance
Solidifying soil layer, since ultra-high performance concrete layer has high tensile and compression strength, high elastic modulus, high ductility, high tenacity and height
The characteristics of durability, can correspondingly increase concrete-bridge weak point by the combination of connecting plate and ultra-high performance concrete layer
Position tensile capacity and Crack Control ability, and then reduce concrete-bridge occur pave-load layer cracking, the fragmentation of beam-ends concrete or
The case where concrete badly broken.
Detailed description of the invention
Fig. 1 is that the elevational schematic view for reinforcing the concrete-bridge of construction is equipped in the embodiment of the present invention；
Fig. 2 is that the schematic cross-section for reinforcing the concrete-bridge of construction is equipped in the embodiment of the present invention；
Fig. 3 is that the enlarged schematic partial view for reinforcing the concrete-bridge of construction is equipped in the embodiment of the present invention.
In figure: 1- ultra-high performance concrete layer, 11- framework of steel reinforcement, 12- top mat, 13- lower layer steel mesh, 14- are perpendicular
To bar planting, 2- connecting plate, the first connecting plate of 21-, the second connecting plate of 22-, 3- bitumen layer, 4- beams of concrete, 5- bridge deck water-proof is mixed
Solidifying soil pave-load layer, 6- quick-setting mortar layer, 7- epoxies waterproof layer, 8- pouring hole.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to figure 1 and figure 2, the embodiment of the present invention provides a kind of reinforcement construction for concrete-bridge part, mixes
Solidifying soil bridge includes bitumen layer 3, beams of concrete 4 and bridge deck water-proof concrete pavement layer 5, and it is mixed that reinforcement construction is arranged in bridge deck water-proof
In solidifying soil pave-load layer 5, reinforcing construction includes ultra-high performance concrete layer 1 and connecting plate 2, and ultra-high performance concrete layer 1 is set to drip
Between cyan layer 3 and beams of concrete 4, and ultra-high performance concrete layer 1 connect integral, ultra-high performance concrete layer 1 with beams of concrete 4
Interior to be equipped with framework of steel reinforcement 11, connecting plate 2 includes the first connecting plate 21 and the second connecting plate 22 being oppositely arranged up and down, the first connection
Plate 21 is connect with 11 top of framework of steel reinforcement, and the second connecting plate 22 is connect with 11 lower part of framework of steel reinforcement, and the second connecting plate 22 with it is mixed
Solidifying soil beam 4 is bonded.
Connecting plate 2 is set in the weak part of concrete-bridge, can reduce the flexural tensile stress of weak part, and enhance it
Performance of resisting cracking, and the first connecting plate 21 and the second connecting plate 22 being oppositely arranged up and down are set, weak part coagulation can be resisted
The tensile stress of native top surface and bottom surface, wherein weak part is pave-load layer cracking, the fragmentation of beam-ends concrete or concrete easily occur to break
The position of the problems such as serious is damaged, meanwhile, ultra-high performance concrete layer 1 is set in weak part, due to ultra-high performance concrete layer 1
For ultra-high performance concrete, with high tensile and compression strength, high elastic modulus, high ductility, high tenacity and high-durability
Feature, weak part, which is arranged in, can further improve the tensile capacity and performance of resisting cracking at the position, by connecting plate 2 and surpass
The combination of high performance concrete layer 1 can correspondingly increase the tensile capacity and Crack Control ability of concrete-bridge weak part,
And then reduce concrete-bridge and the case where pave-load layer cracking, the fragmentation of beam-ends concrete or concrete badly broken occur, reduce dimension
Cost is protected, bridge service life is improved, and is also had the characteristics that convenient for construction.
Shown in referring to figs. 2 and 3, further, by the framework of steel reinforcement 11 of setting, superelevation can be further improved
The tensile capacity of energy concrete layer 1, that is, accordingly increased the tensile capacity and performance of resisting cracking of concrete-bridge weak part,
In, ultra-high performance concrete layer 1 should meet compressive strength standard value and be more than or equal to 22MPa more than or equal to 120MPa, flexural strength
Index request；
Referring to shown in Fig. 1 and Fig. 3, it is preferable that framework of steel reinforcement 11 includes top mat 12, lower layer's steel mesh 13 and several
Vertical bar planting 14, several vertical 14 one end of bar planting and beams of concrete 4 are fixed, the fixed top mat 12 of the other end, lower layer's steel
Muscle net 13 is fixed between top mat 12 and beams of concrete 4, and top mat 12 is connect close to the side of bitumen layer 3 with first
Plate 21 is fixed, and lower layer's steel mesh 13 is fixed close to the side of beams of concrete 4 and the second connecting plate 22, by by the first connecting plate 21
It is fixedly connected respectively with top mat 12 and lower layer's steel mesh 13 with the second connecting plate 22, and vertical bar planting 14 and top bars
Net 12 and lower layer's steel mesh 13 are fixed, shearing resistance and anti-passage needed for providing between ultra-high performance concrete layer 1 and connecting plate 2
Ability guarantees that the two works together, the flexural tensile stress of 1 bottom surface of ultra-high performance concrete is effectively reduced, to improve whole resist
Drawing ability and performance of resisting cracking, and be bonded again due to the second connecting plate with beams of concrete 4, and vertical 14 one end of bar planting and concrete
Beam 4 is fixed, and then in connecting plate 2 and the whole basis with preferable tensile capacity and performance of resisting cracking of ultra-high performance concrete layer 1
On, make the weak part of the concrete-bridge that there is stronger tensile capacity and performance of resisting cracking, so as to reduce concrete bridge
There is the case where pave-load layer cracking, the fragmentation of beam-ends concrete or concrete badly broken in beam, improves the use of the concrete-bridge
Service life.
It is shown in Figure 1, wherein the first connecting plate 21 is equipped with several pouring holes 8, convenient for by the first connecting plate 21 with
After top mat 12 is fixed, ultra-high performance concrete layer is poured in 21 lower zone of the first connecting plate by the pouring hole 8
1, to guarantee the density of the ultra-high performance concrete layer 1, and then enhance the globality of the ultra-high performance concrete layer 1
Can, advantageously ensure that the tensile capacity and performance of resisting cracking of reinforcement construction；Second connecting plate 22 is equipped with several for vertical bar planting
14 through-holes passed through can carry out the setting of vertical bar planting 14 in the region that the second connecting plate 22 is arranged, to ensure that first
Integral strength between connecting plate 21 and the second connecting plate 22.
Shown in Figure 3, second connecting plate (22) is bonded with the beams of concrete (4), it is preferable that the second connecting plate
It is equipped with quick-setting mortar layer 6 between 22 and beams of concrete 4, can guarantee that the second connecting plate 22 is fitted closely with beams of concrete 4, ensure that
Its planarization is conducive to power transmission reliability between beams of concrete 4 and the second connecting plate 22.
Reinforce being equipped with epoxies waterproof layer 7 between construction and bitumen layer 3, it is preferable that epoxies waterproof layer 7 is epoxy resin
Adhesive can be improved the cementability reinforced between construction and bitumen layer 3, meanwhile, when being laid with epoxies waterproof layer 7, to reinforcement
The upper surface of construction carries out dabbing processing, can further improve the adhesive property reinforced between construction and bitumen layer 3.
Referring to shown in Fig. 1 to Fig. 3, the present embodiment also provides a kind of equipped with the above-mentioned reinforcement structure for concrete-bridge part
The concrete-bridge made, comprising:
Beams of concrete 4；
Bitumen layer 3, bitumen layer 3 are set to 4 top of beams of concrete；
Bridge deck water-proof concrete pavement layer 5, bridge deck water-proof concrete pavement layer 5 are set between beams of concrete 4 and bitumen layer 3,
And the bridge deck water-proof concrete pavement layer 5 of concrete-bridge weak part is equipped with and reinforces construction.
Construction is reinforced in the weak part setting of the concrete-bridge, and reinforcing construction includes connecting plate 2, can reduce weak point
The flexural tensile stress of position, and enhance its performance of resisting cracking, wherein weak part is pave-load layer cracking, beam-ends concrete fragmentation easily occur
Or the position of the problems such as concrete badly broken, meanwhile, reinforcing construction further includes ultra-high performance concrete layer 1, due to superelevation
Can concrete layer 1 be ultra-high performance concrete, with high tensile and compression strength, high elastic modulus, high ductility, high tenacity and
The characteristics of high-durability, weak part, which is arranged in, can further improve the tensile capacity and performance of resisting cracking at the position, pass through
Connecting plate 2 and ultra-high performance concrete layer 1 combine the reinforcement construction formed, can each other mating reaction to improve concrete bridge
The tensile capacity and Crack Control ability of beam weak part, and then reduce concrete-bridge and pave-load layer cracking, beam-ends coagulation occur
The case where native fragmentation or concrete badly broken, reduces maintenance cost, improves bridge service life, and also has convenient for construction
Feature.
Referring to shown in Fig. 1 to Fig. 3, the present embodiment also provides a kind of construction method such as above-mentioned concrete-bridge, including with
Lower step:
Connecting plate 2 is made in factory；
4 joint filling of beams of concrete is carried out to the weak part of concrete-bridge and/or bridge deck water-proof concrete pavement layer 5 is dug
Processing；
Second connecting plate 22 is installed above the weak part of concrete-bridge；
Framework of steel reinforcement 11 and the first connecting plate 21 are installed above the second connecting plate 22；
Pour ultra-high performance concrete layer 1；
To concrete-bridge asphalt layer 3.
Wherein, when concrete-bridge is positive bridge construction beam, the weak part of concrete-bridge is carried out at 4 joint filling of beams of concrete
Reason, avoids the case where leaking when casting concrete；
The reinforcing bar and concrete pouring construction of the bridge deck water-proof concrete pavement layer 5 of non-weak part are completed, meanwhile, by bridge
The reinforcing bar of 5 two sides of face water-proof concrete pave-load layer stretches out reasonable length to the weak part direction for reinforcing construction with setting；
Positioning drilling is carried out at the top of the beams of concrete 4 of second connecting plate 22 and weak part；
To vertical bar planting 14 is arranged at the top of the beams of concrete 4 of weak part；
The position making quick-setting mortar layer 6 of second connecting plate 22 is set in beams of concrete 4, and the on quick-setting mortar layer 6
Two connecting plates 22；
Lower layer's steel mesh 13 and top mat 12, lower layer's steel mesh 13 and bridge deck water-proof concrete are installed in weak part
The overhanging reinforcing bar of pave-load layer 5 and the welding of 22 upper surface of the second connecting plate, top mat 12 and vertical bar planting 14 are welded；
Positioning levels and installs the first connecting plate 21, and the first connecting plate 21 is welded and fixed with top mat 12；
It carries out pouring ultra-high performance concrete layer 1 in weak part, and it is conserved to intensity and is met the requirements；
To 1 upper surface dabbing of ultra-high performance concrete layer and it is laid with epoxies waterproof layer 7 in time；
After the completion of epoxies waterproof layer 7 is laid with, asphalt layer 3, constructs to the construction of bridge with completion immediately.
When concrete-bridge is to occur cracking or when damaged built bridge, to concrete-bridge weak part or cracking
The bitumen layer 3 and bridge deck water-proof concrete pavement layer 5 at position carry out cutting operation, connect when the beams of concrete 4 for digging position is equipped with
When seam, abutment joint is needed to carry out joint filling processing；
To carrying out positioning drilling at the top of the second connecting plate 22 and beams of concrete 4；
To vertical bar planting 14 is arranged at the top of the beams of concrete 4 of weak part；
The position making quick-setting mortar layer 6 of second connecting plate 22 is set in beams of concrete 4, and the on quick-setting mortar layer 6
Two connecting plates 22；
Lower layer's steel mesh 13 and top mat 12, lower layer's steel mesh 13 and bridge deck water-proof concrete are installed in weak part
The overhanging reinforcing bar of pave-load layer 5 and the welding of 22 upper surface of the second connecting plate, top mat 12 and vertical bar planting 14 are welded；
Positioning levels and installs the first connecting plate 21, and the first connecting plate 21 is welded and fixed with top mat 12；
It carries out pouring ultra-high performance concrete layer 1 in weak part, and it is conserved to intensity and is met the requirements；
To 1 upper surface dabbing of ultra-high performance concrete layer and it is laid with epoxies waterproof layer 7 in time；
After the completion of epoxies waterproof layer 7 is laid with, asphalt layer 3, applies the maintenance or maintenance of bridge with completion immediately
Work.
In asphalt layer 3,3 seam of bitumen layer is shifted to install with 1 seam of ultra-high performance concrete layer, can be kept away
Exempt from 3 seam of bitumen layer and 1 seam of ultra-high performance concrete layer due to it is co-located when, be easy to cause at this occur cracking and
Damaged situation, i.e., by shifting to install the influence that can reduce seam to tensile capacity and performance of resisting cracking.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of reinforcement for concrete-bridge part constructs, the concrete-bridge includes bitumen layer (3), beams of concrete
(4) it is arranged in the bridge deck water-proof concrete pavement layer (5) with bridge deck water-proof concrete pavement layer (5), the reinforcement construction,
It is characterized in that, the reinforcement construction includes:
Ultra-high performance concrete layer (1), the ultra-high performance concrete layer (1) are set to the bitumen layer (3) and beams of concrete (4)
Between, and the ultra-high performance concrete layer (1) connect integral, the ultra-high performance concrete layer with the beams of concrete (4)
(1) framework of steel reinforcement (11) are equipped in；
Connecting plate (2), the connecting plate (2) include the first connecting plate (21) and the second connecting plate (22) being oppositely arranged up and down,
First connecting plate (21) connect with the framework of steel reinforcement (11) top, second connecting plate (22) and the framework of steel reinforcement
(11) lower part connects.
2. a kind of reinforcement for concrete-bridge part as described in claim 1 constructs, it is characterised in that: the reinforcing bar
Frame (11) includes top mat (12), lower layer's steel mesh (13) and several vertical bar plantings (14), several vertical bar plantings
(14) one end and the beams of concrete (4) are fixed, the fixed top mat (12) of the other end, lower layer's steel mesh
(13) it is fixed between the top mat (12) and beams of concrete (4), the top mat (12) is close to the bitumen layer
(3) side and first connecting plate (21) is fixed, side of the lower layer's steel mesh (13) close to the beams of concrete (4)
It is fixed with second connecting plate (22).
3. a kind of reinforcement for concrete-bridge part as claimed in claim 2 constructs, it is characterised in that: described second connects
Fishplate bar (22) is equipped with several through-holes passed through for the vertical bar planting (14).
4. a kind of reinforcement for concrete-bridge part as described in claim 1 constructs, it is characterised in that: described second connects
Fishplate bar (22) is bonded with the beams of concrete (4).
5. a kind of reinforcement for concrete-bridge part as claimed in claim 4 constructs, it is characterised in that: described second connects
Quick-setting mortar layer (6) are equipped between fishplate bar (22) and the beams of concrete (4).
6. a kind of reinforcement for concrete-bridge part as described in claim 1 constructs, it is characterised in that: the reinforcement structure
It makes and is equipped with epoxies waterproof layer (7) between the bitumen layer (3).
7. a kind of reinforcement for concrete-bridge part as claimed in claim 6 constructs, it is characterised in that: the epoxies
Waterproof layer (7) is epoxy resin adhesive.
8. a kind of equipped with the concrete-bridge constructed as described in claim 1 for the reinforcement of concrete-bridge part, feature
It is, comprising:
Beams of concrete (4)；
Bitumen layer (3), the bitumen layer (3) are set to above the beams of concrete (4)；
Bridge deck water-proof concrete pavement layer (5), the bridge deck water-proof concrete pavement layer (5) be set to the beams of concrete (4) and
Between bitumen layer (3), the reinforcement is equipped in the bridge deck water-proof concrete pavement layer (5) of the concrete-bridge weak part
Construction.
9. a kind of construction method of concrete-bridge as described in claim 1, which comprises the following steps:
Beams of concrete (4) joint filling and/or bridge deck water-proof concrete pavement are carried out to the weak part of the concrete-bridge
Layer (5) cutting processing；
Second connecting plate (22) is installed above the weak part of concrete-bridge；
Installation framework of steel reinforcement (11) and the first connecting plate (21) above second connecting plate (22)；
Pour the ultra-high performance concrete layer (1)；
To concrete-bridge asphalt layer (3).
10. construction method as claimed in claim 9, it is characterised in that: when being laid with bitumen layer (3), the bitumen layer
(3) seam is shifted to install with ultra-high performance concrete layer (1) seam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910386054.9A CN110158462B (en) | 2019-05-09 | 2019-05-09 | Reinforcing structure for local part of concrete bridge, concrete bridge and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910386054.9A CN110158462B (en) | 2019-05-09 | 2019-05-09 | Reinforcing structure for local part of concrete bridge, concrete bridge and construction method |
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| CN110158462B CN110158462B (en) | 2024-04-02 |
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| CN102943436A (en) * | 2012-12-07 | 2013-02-27 | 湖南大学 | Steel-ultra-high performance concrete combined bridge deck structure with shearing resisting structure and construction method thereof |
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| CN105178165A (en) * | 2015-10-09 | 2015-12-23 | 西藏自治区交通勘察设计研究院 | Tension face layer compound-reinforced reinforced concrete continuous rigid frame bridge and construction method thereof |
| CN107090783A (en) * | 2017-06-29 | 2017-08-25 | 上海罗洋新材料科技有限公司 | Hollow Slab Beam Bridge structure and its reinforcement means that a kind of ultra-high performance concrete is reinforced |
| CN210368633U (en) * | 2019-05-09 | 2020-04-21 | 中铁大桥科学研究院有限公司 | A strengthen structure and concrete bridge for concrete bridge is local |
-
2019
- 2019-05-09 CN CN201910386054.9A patent/CN110158462B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943436A (en) * | 2012-12-07 | 2013-02-27 | 湖南大学 | Steel-ultra-high performance concrete combined bridge deck structure with shearing resisting structure and construction method thereof |
| CN104674647A (en) * | 2015-02-05 | 2015-06-03 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Steel-concrete combination structure for hybrid girder bridge |
| CN105178165A (en) * | 2015-10-09 | 2015-12-23 | 西藏自治区交通勘察设计研究院 | Tension face layer compound-reinforced reinforced concrete continuous rigid frame bridge and construction method thereof |
| CN107090783A (en) * | 2017-06-29 | 2017-08-25 | 上海罗洋新材料科技有限公司 | Hollow Slab Beam Bridge structure and its reinforcement means that a kind of ultra-high performance concrete is reinforced |
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