CN112030708A - Continuous reinforcing structure for arch bridge deck, arch bridge deck reinforcing structure and construction method - Google Patents
Continuous reinforcing structure for arch bridge deck, arch bridge deck reinforcing structure and construction method Download PDFInfo
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- CN112030708A CN112030708A CN202010910615.3A CN202010910615A CN112030708A CN 112030708 A CN112030708 A CN 112030708A CN 202010910615 A CN202010910615 A CN 202010910615A CN 112030708 A CN112030708 A CN 112030708A
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- bridge deck
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- 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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
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Abstract
The application relates to an arch bridge deck continuous reinforcement structure, an arch bridge deck reinforcement structure and a construction method, wherein the arch bridge deck continuous reinforcement structure comprises a connecting mechanism, a bridge deck continuous structure, a reinforcing mesh and a plurality of embedded bars; the connecting mechanism is used for being laid on two adjacent simply supported longitudinal beams; the bridge deck continuous structure comprises a concrete layer and a pavement layer, wherein the concrete layer is poured on the connecting mechanism and the simply-supported longitudinal beams; the reinforcing mesh is arranged in the concrete layer and is connected with the connecting mechanism; one end of each embedded bar is connected with the corresponding reinforcing mesh, and in all the embedded bars, the other end of one part of the embedded bars is used for being implanted into one of the two simply supported longitudinal beams, and the other end of the other part of the embedded bars is used for being implanted into the other of the two simply supported longitudinal beams. The method and the device can solve the problems that in the related technology, the construction difficulty is high and the manufacturing cost is high when the simply supported longitudinal beam is replaced by the continuous beam.
Description
Technical Field
The application relates to the technical field of bridge structure construction, in particular to an arch bridge deck continuous reinforcement structure, an arch bridge deck reinforcement structure and a construction method.
Background
The arch bridge has the advantages of simple structure, strong crossing capability, convenient material taking, attractive appearance and the like, and is widely adopted in modern bridge engineering. Referring to fig. 1, the common structure of the bridge deck structure of the arch bridge at present is in the form of longitudinal beams, i.e. a plurality of simply supported longitudinal beams 2 with smaller span are placed on the cross beams 14 of the arch bridge, and the vehicle load is transmitted to the simply supported longitudinal beams 2 through the bridge deck, then transmitted to the cross beams 14 of the arch bridge, and then transmitted to the main arch 16 through the upright posts or suspension rods 15 connected with the cross beams 14 of the arch bridge. In order to ensure the smoothness of the bridge deck, the arch bridge usually adopts a continuous bridge deck form, namely, the bridge deck is paved and connected into a whole while the longitudinal beams keep simple support, but because the continuous bridge deck structure at the joint of the adjacent simple support longitudinal beams 2 has larger deformation, the bearing capacity of the continuous bridge deck structure is limited, and in addition, the traffic load is increased day by day, the continuous bridge deck of the arch bridge is easy to crack, damage and other diseases.
According to the stress characteristics of the arch bridge, the ideal method for thoroughly solving the problems is to replace the simply-supported longitudinal beam 2 with the continuous beam, but the construction difficulty of the continuous beam is high, gaps still exist among all the continuous beams, and the problems at the gaps still cannot be avoided. For the arch bridge with diseases, the problems of high manufacturing cost and difficult construction are faced by replacing the simply supported longitudinal beam 2 with the continuous beam.
Disclosure of Invention
The embodiment of the application provides an arch bridge deck continuous reinforcement structure, an arch bridge deck reinforcement structure and a construction method, and aims to solve the problems that in the related art, the construction difficulty is high and the construction cost is high when a simply supported longitudinal beam is replaced by a continuous beam.
In a first aspect, there is provided an arch bridge deck continuous reinforcement structure, comprising:
the connecting mechanism is used for being laid on two adjacent simply supported longitudinal beams;
the bridge deck continuous structure comprises a concrete layer and a pavement layer, wherein the concrete layer is poured on the connecting mechanism and the simply-supported longitudinal beams;
the reinforcing mesh is arranged in the concrete layer and is connected with the connecting mechanism;
and one end of each embedded bar is connected with the reinforcing mesh, and in all the embedded bars, the other end of one part of the embedded bars is used for being implanted into one of the two simply supported longitudinal beams, and the other end of the other part of the embedded bars is used for being implanted into the other of the two simply supported longitudinal beams.
In some embodiments, the connecting mechanism includes a plate body and a plurality of connecting members, the connecting members are connected to the plate body at intervals in parallel, the plate body is provided with a first hole for a steel bar planting to pass through, the connecting members are provided with a plurality of second holes distributed along the length direction of the connecting members, the second holes are used for one of the transverse steel bars and the longitudinal steel bars of the steel bar mesh to pass through, and a space clamped between the plate body and two adjacent connecting members is used for the other of the transverse steel bars and the longitudinal steel bars of the steel bar mesh to pass through.
In some embodiments, the bridge deck continuous structure further comprises a connecting layer, wherein the connecting layer is arranged on one side of the connecting mechanism, which is far away from the concrete layer, and is used for connecting the connecting mechanism with the simply supported longitudinal beams.
In some embodiments, the bridge deck continuous structure further comprises a waterproof layer located between the concrete layer and the paving layer.
In a second aspect, there is provided an arch bridge deck reinforcement structure having the arch bridge deck continuous reinforcement structure as described above, comprising:
the connecting mechanism is laid on the two simply supported longitudinal beams; and the number of the first and second groups,
and one part of the embedded steel bars is implanted into one of the two simply supported longitudinal beams, and the other part of the embedded steel bars is implanted into the other of the two simply supported longitudinal beams.
In some embodiments, a beam end seam is formed between the two simply supported longitudinal beams, and a buffer is filled in the beam end seam.
In a third aspect, a construction method of the arch bridge deck reinforcement structure is provided, which includes the following steps:
chiseling the original bridge deck continuous structure on two adjacent simple support longitudinal beams to expose the surfaces of the simple support longitudinal beams;
positioning and drilling holes on the simply supported longitudinal beams, and implanting embedded bars;
laying a connecting mechanism and enabling the embedded steel bars to penetrate through the connecting mechanism;
laying a reinforcing mesh, and connecting the reinforcing mesh with a connecting mechanism and embedded bars;
pouring a concrete layer;
and pouring a paving layer on the concrete layer.
In some embodiments, after the implantation of the implanted bar and before the laying of the connecting mechanism, the method further comprises the following steps:
and laying a connecting layer on the simply supported longitudinal beam.
In some embodiments, before the pavement layer is poured on the concrete layer, the method further comprises the following steps:
and pouring a waterproof layer on the concrete layer.
In some embodiments, before laying the connecting mechanism, the method further comprises the following steps:
chiseling original concrete between two adjacent simply supported longitudinal beams to obtain beam end seams;
and filling a buffer in the beam end seam.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an arch bridge floor reinforced structure in succession, arch bridge floor reinforcement structure and construction method, the reinforced structure that the embodiment of the application provided, through coupling mechanism, the cooperation of reinforcing bar net and bar planting, become a whole with bridge floor continuous structure and two adjacent simple-supported longerons fixed connection, mode through local reinforcement, join in the atress jointly as an organic whole with the simple-supported longeron of full-bridge, make its atress form on vertical is close with continuous roof beam, and coupling mechanism safe and reliable, show reinforcing bridge floor continuous intensity and rigidity, avoid appearing the fracture damage, improve bridge floor continuous structure's mechanical properties and durability, promote bridge floor ride comfort and driving comfort simultaneously.
The connecting mechanism that this application embodiment provided has strengthened arch bridge deck continuous structure's tensile property, guarantees that bridge deck continuous structure does not take place diseases such as fracture, damage in the use.
The application provides a reinforced structure, when being applied to the arched bridge, only need chisel out the original bridge floor continuous structure of arched bridge, be under construction on original simply supported longeron, just can avoid simply supported longeron replacement for continuous roof beam, so can reduce the construction degree of difficulty and cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a related art arch bridge structure;
FIG. 2 is a perspective view of an arch bridge deck reinforcement structure provided in an embodiment of the present application;
FIG. 3 is a cross-sectional view of an arch bridge deck reinforcement structure provided in an embodiment of the present application;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is a schematic view of a connection mechanism provided in an embodiment of the present application.
In the figure: 1. a connecting mechanism; 10. a plate body; 11. a connecting member; 12. a first hole; 13. a second hole; 14. an arch bridge cross beam; 15. a boom; 16. a main arch; 2. simply supporting a longitudinal beam; 3. a concrete layer; 4. a paving layer; 5. a reinforcing mesh; 6. planting bars; 7. a connecting layer; 8. a waterproof layer; 9. and (4) buffering.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an arch bridge deck continuous reinforcement structure, and the problems that in the related art, the construction difficulty is large and the manufacturing cost is high are solved when a simply supported longitudinal beam is replaced by a continuous beam.
Referring to fig. 2, 3 and 4, the present application provides an arch bridge deck continuous reinforcement structure, which includes a connection mechanism 1, a deck continuous structure, a reinforcing mesh 5 and a plurality of steel bars 6, where the connection mechanism 1 is used to be laid on two adjacent simply supported longitudinal beams 2, and when in construction, only needs to be covered on the mutually close ends of the two adjacent simply supported longitudinal beams 2, and does not need to be completely covered on the whole simply supported longitudinal beam 2; the bridge deck continuous structure comprises a concrete layer 3 and a pavement layer 4, wherein the concrete layer 3 is poured on the connecting mechanism 1 and the simply-supported longitudinal beams 2; the reinforcing mesh 5 is arranged in the concrete layer 3 and is connected with the connecting mechanism 1; one end of each of the embedded bars 6 is connected with the reinforcing mesh 5, and in all the embedded bars 6, the other end of one part of the embedded bars 6 is used for being implanted into one of the two simply supported longitudinal beams 2, and the other end of the other part of the embedded bars 6 is used for being implanted into the other one of the two simply supported longitudinal beams 2.
The embodiment of the application provides a reinforced structure, through coupling mechanism 1, reinforcing bar net 5 and the cooperation of bar planting 6, become a whole with bridge floor continuous structure and two adjacent simple longerons 2 fixed connection, mode through local reinforcement, join in the atress jointly as an organic whole with the simple longeron 2 of full-bridge, make its atress form on vertical be close with continuous roof beam, and coupling mechanism 1 safe and reliable, show the continuous intensity of reinforcing bridge floor and rigidity, avoid appearing the fracture damage, improve bridge floor continuous structure's mechanical properties and durability, promote bridge floor ride comfort and driving comfort simultaneously.
The connecting mechanism 1 provided by the embodiment of the application enhances the tensile property of the arch bridge deck continuous structure and ensures that the bridge deck continuous structure is free from diseases such as cracking and breakage in the using process.
The application provides a reinforced structure, when being applied to the arched bridge, only need chisel out the original bridge floor continuous structure of arched bridge, carry out construction on original simple-supported longeron 2, just can avoid replacing simple-supported longeron for continuous roof beam, so can reduce the construction degree of difficulty and cost.
In the application, the concrete layer 3 is a main stress layer, and common concrete materials or ultrahigh-performance concrete materials can be selected for pouring according to actual load requirements; if the common concrete material has insufficient performance, under the action of traffic load, when the common concrete as the material of the continuous bridge deck structure can cause the diseases such as cracking, breakage and the like of the continuous bridge deck structure, the ultra-high performance concrete material is selected for pouring, and as the coarse aggregate is removed from the ultra-high performance concrete layer material and the steel fiber is doped into the ultra-high performance concrete layer material, the structural crack of the ultra-high performance concrete under the action of load can be effectively inhibited, the strength and the durability of the material are greatly improved, and the diseases of the continuous bridge deck structure under the action of vehicle load are avoided.
In this application, the concrete layer 3 that adopts the ultra high performance concrete material to pour and form is 60 ~ 120 mm. The distance between the transverse steel bars and the longitudinal steel bars of the steel bar mesh 5 is 50-100 mm. The reinforcing mesh 5 is welded with the embedded bar 6.
The ultra-high performance concrete material is adopted, has low shrinkage, can effectively reduce shrinkage cracks of the ultra-high performance concrete layer, has the characteristic of no steam curing, is simple and convenient to construct, and avoids generating steam curing cracks.
In this application, the layer of mating formation 4 adopts the asphalt concrete material, and thickness is 40 ~ 60mm, and the material is unanimous with the asphalt concrete layer material of other positions of arch bridge of place, and bridge floor visual effect links up, unanimously.
In some preferred embodiments, referring to fig. 5, the connection mechanism 1 includes a plate body 10 and a plurality of connectors 11, the connectors 11 are connected to the plate body 10 at intervals in parallel, the plate body 10 is provided with a first hole 12 for the steel bar planting 6 to pass through, the connectors 11 are provided with a plurality of second holes 13 distributed along the length direction thereof, the second holes 13 are used for one of the transverse steel bars and the longitudinal steel bars of the steel bar net 5 to pass through, and a space clamped between the plate body 10 and two adjacent connectors 11 is used for the other of the transverse steel bars and the longitudinal steel bars of the steel bar net 5 to pass through.
In this embodiment, referring to fig. 2, the transverse reinforcement of the mesh reinforcement 5 passes through the second hole 13 of the connector 11 to achieve the connection between the concrete layer 3 and the simple girder 2. The height of the connecting piece 11 is 5-10 mm lower than the thickness of the concrete layer 3. The thickness of the connecting piece 11 is 8-12 mm, the distance between the second holes 13 is consistent with the transverse steel bar distance of the steel bar mesh 5, and the diameter of the second holes 13 is larger than the diameter of the steel bar used by the steel bar mesh 5.
The connecting member 11 connects the panel body 10 and the concrete layer 3 as one body. The plate body 10 is made of a steel plate, sand blasting and rust removing are needed, the cleanliness reaches Sa2.5 grade, and the surface roughness reaches 25-50 mu m.
In the present embodiment, the connector 11 employs a PBL connector.
In some preferred embodiments, referring to fig. 3 and 4, the deck continuous structure further comprises a connecting layer 7, the connecting layer 7 being provided on a side of the connecting means 1 remote from the concrete layer 3 and serving to connect the connecting means 1 with the simple stringers 2. The connecting layer 7 can be made of epoxy resin or quick-setting mortar, and has the functions of leveling and connecting on the other hand.
In some preferred embodiments, as shown in figures 3 and 4, the deck continuous structure further comprises a waterproof layer 8, the waterproof layer 8 being located between the concrete layer 3 and the paving layer 4.
In some preferred embodiments, referring to fig. 3 and 4, the present application further provides an arch bridge deck reinforcement structure, which includes two simple-supported longitudinal beams 2 sequentially arranged in a longitudinal direction of the bridge and an upper arch bridge deck continuous reinforcement structure, wherein a connection mechanism 1 is laid on the two simple-supported longitudinal beams 2; and one part of the embedded steel bars 6 is embedded into one of the two simply supported longitudinal beams 2, and the other part of the embedded steel bars 6 is embedded into the other one of the two simply supported longitudinal beams 2.
In some preferred embodiments, referring to fig. 3 and 4, a beam end seam is formed between two simply supported longitudinal beams 2, a buffer 9 is filled in the beam end seam, and the buffer 9 has the following functions: firstly, the filler is filled between the two simply supported longitudinal beams 2, so that the two simply supported longitudinal beams 2 can be prevented from colliding due to deformation; secondly, filling the beam end seam to prevent impurities from entering the corrosion structure. The buffer 9 can be made of polyvinyl chloride foam board, polyurethane foam gap filler and the like.
In some preferred embodiments, referring to fig. 2, 3 and 4, the present application further provides a construction method of an arch bridge deck reinforcement structure, which includes the following steps:
s1: chiseling the original bridge deck continuous structure on two adjacent simply supported longitudinal beams 2 and paving the bridge deck continuous structure on the simply supported longitudinal beams to expose the surfaces of the simply supported longitudinal beams 2;
s2: positioning and drilling holes on the simply-supported longitudinal beams 2, injecting glue and implanting embedded bars 6;
s3: carrying out sand blasting and rust removing treatment on the connecting mechanism 1, wherein the cleanliness after sand blasting is required to reach Sa2.5 grade, the surface roughness reaches 25-50 mu m, laying the connecting mechanism 1, and enabling the embedded steel bars 6 to penetrate through the connecting mechanism 1;
s4: laying a reinforcing mesh 5, and connecting the reinforcing mesh 5 with the connecting mechanism 1 and the embedded bars 6;
s5: pouring the concrete layer 3, vibrating and leveling in time in the construction process, ensuring that the concrete layer 3 is compact and has no holes, and collecting and leveling in time; after the construction is finished, covering a curing film on the surface of the concrete layer 3, curing at normal temperature for 7 days, and spraying a proper amount of water on the surface of the curing film during the curing period; after curing is finished, removing the curing facilities, and performing shot blasting treatment on the surface of the concrete layer 3 to construct the concrete layer with the depth of 0.5-0.8 mm;
s6: and pouring a pavement layer 4 on the concrete layer 3, and compacting.
In some preferred embodiments, referring to fig. 4, after the implantation of the implanted bar 6 and before the laying of the connecting mechanism 1, the method further comprises the following steps: the connecting layer 7 is laid on the simply supported longitudinal beam 2.
In some preferred embodiments, referring to fig. 4, before the pavement layer 4 is poured on the concrete layer 3, the following steps are further included: and pouring a waterproof layer 8 on the concrete layer 3.
In some preferred embodiments, as shown in fig. 4, before laying the connection mechanism 1, the following steps are further included: chiseling the original concrete between two adjacent simply supported longitudinal beams 2 to obtain beam end seams; the beam end gap is filled with a buffer 9.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A continuous reinforced structure of arched bridge deck, its characterized in that, it includes:
the connecting mechanism (1) is laid on two adjacent simply supported longitudinal beams (2);
the bridge deck continuous structure comprises a concrete layer (3) poured on the connecting mechanism (1) and the simply supported longitudinal beams (2), and a pavement layer (4) poured on the concrete layer (3);
the reinforcing mesh (5) is arranged in the concrete layer (3) and is connected with the connecting mechanism (1);
and one end of each embedded bar (6) is connected with the corresponding reinforcing mesh (5), and in all the embedded bars (6), the other end of one part of the embedded bars (6) is used for being implanted into one of the two simply supported longitudinal beams (2), and the other end of the other part of the embedded bars (6) is used for being implanted into the other of the two simply supported longitudinal beams (2).
2. An arch bridge deck continuous reinforcement structure according to claim 1, wherein: coupling mechanism (1) is including plate body (10) and a plurality of connecting piece (11), connecting piece (11) are connected parallelly and at intervals on the plate body (10) keeps away from the face of simply supported longeron (2), be equipped with first hole (12) that supply bar planting (6) to pass on plate body (10), be equipped with on connecting piece (11) along a plurality of second holes (13) of its length direction distribution, second hole (13) are used for one of them of transverse reinforcement and the vertical reinforcing bar of reinforcing bar net (5) passes, just the space of centre gripping between plate body (10) and two adjacent connecting piece (11) is used for another of transverse reinforcement and the vertical reinforcing bar of reinforcing bar net (5) passes.
3. An arch bridge deck continuous reinforcement structure according to claim 1, wherein: the bridge deck continuous structure further comprises a connecting layer (7), wherein the connecting layer (7) is arranged on one side, away from the concrete layer (3), of the connecting mechanism (1) and used for connecting the connecting mechanism (1) with the simply supported longitudinal beam (2).
4. An arch bridge deck continuous reinforcement structure according to claim 1, wherein: the bridge deck continuous structure further comprises a waterproof layer (8), and the waterproof layer (8) is located between the concrete layer (3) and the pavement layer (4).
5. An arch bridge deck reinforcement structure having the arch bridge deck continuous reinforcement structure of claim 1, characterized by comprising:
the connecting mechanism comprises two simply supported longitudinal beams (2) which are sequentially arranged along the longitudinal bridge direction, wherein the connecting mechanism (1) is laid on the two simply supported longitudinal beams (2); and the number of the first and second groups,
one part of the embedded steel bars (6) is embedded into one of the two simply supported longitudinal beams (2), and the other part of the embedded steel bars (6) is embedded into the other one of the two simply supported longitudinal beams (2).
6. An arch bridge deck reinforcement structure according to claim 5, wherein: a beam end seam is formed between the two simply supported longitudinal beams (2), and a buffer (9) is filled in the beam end seam.
7. A method of constructing an arch bridge deck reinforcing structure as claimed in claim 5, comprising the steps of:
chiseling the original bridge deck continuous structure on two adjacent simply supported longitudinal beams (2) to expose the surfaces of the simply supported longitudinal beams (2);
positioning and drilling holes on the simply supported longitudinal beams (2), and implanting embedded bars (6);
laying a connecting mechanism (1), and enabling the embedded steel bars (6) to penetrate through the connecting mechanism (1);
paving a reinforcing mesh (5), and connecting the reinforcing mesh (5) with the connecting mechanism (1) and the embedded bars (6);
pouring a concrete layer (3);
and pouring a paving layer (4) on the concrete layer (3).
8. The method according to claim 7, wherein the following steps are further included after the implantation of the embedded bars (6) and before the laying of the connecting mechanism (1):
and laying a connecting layer (7) on the simply supported longitudinal beam (2).
9. The method according to claim 7, characterized in that it comprises, before the deposition of the layer (4) of pavement on the concrete layer (3), the following steps:
and a waterproof layer (8) is poured on the concrete layer (3).
10. The method of construction according to claim 7, characterized in that it further comprises, before laying the connection means (1), the steps of:
chiseling original concrete between two adjacent simply supported longitudinal beams (2) to obtain beam end seams;
and filling a buffer (9) in the beam end seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010910615.3A CN112030708A (en) | 2020-09-02 | 2020-09-02 | Continuous reinforcing structure for arch bridge deck, arch bridge deck reinforcing structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010910615.3A CN112030708A (en) | 2020-09-02 | 2020-09-02 | Continuous reinforcing structure for arch bridge deck, arch bridge deck reinforcing structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813792A (en) * | 2021-02-22 | 2021-05-18 | 重庆交通大学 | Method for reinforcing arch bridge by combination of UHPC injection and bar planting |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813792A (en) * | 2021-02-22 | 2021-05-18 | 重庆交通大学 | Method for reinforcing arch bridge by combination of UHPC injection and bar planting |
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