CN114775445A - Prefabricated bridge segment splicing structure and splicing method - Google Patents
Prefabricated bridge segment splicing structure and splicing method Download PDFInfo
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- CN114775445A CN114775445A CN202210576373.8A CN202210576373A CN114775445A CN 114775445 A CN114775445 A CN 114775445A CN 202210576373 A CN202210576373 A CN 202210576373A CN 114775445 A CN114775445 A CN 114775445A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 122
- 229920006335 epoxy glue Polymers 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling 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
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- Structural Engineering (AREA)
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Abstract
The application relates to the field of splicing of prefabricated bridges, in particular to a splicing structure and a splicing method of prefabricated bridge sections, which comprise splicing parts arranged on the bridge sections, wherein a joint is formed between the splicing parts of two adjacent bridge sections, accommodating grooves are arranged at the positions, close to the edges of the joints, of the splicing parts, and the accommodating grooves of two adjacent sections are spliced to form pouring grooves for pouring concrete; the connecting assembly is arranged between the splicing parts of the two adjacent segments and comprises a first connecting block, a second connecting block and a connecting piece for connecting the first connecting block and the second connecting block, and the first connecting block and the second connecting block are respectively arranged on the two adjacent splicing parts. The connecting assembly in this application can increase the joint strength between the bridge section to reduce the cracked possibility of bridge emergence.
Description
Technical Field
The invention relates to the field of splicing of prefabricated bridges, in particular to a splicing structure and a splicing method for prefabricated bridge sections
Background
The prefabricated bridge section assembling construction is a construction technology for forming an integral bridge by prefabricating large-span beam bodies in sections in a beam yard and then conveying the beam bodies section by section to a bridge girder erection machine for assembling, and has the advantages of small influence on environmental traffic, low requirement on construction geographical positions, short construction period and the like.
In the assembling construction of bridge sections, the connection of adjacent sections generally adopts wet joints and dry joints, the wet joints are connected in a concrete pouring mode, and the dry joints are connected in a mode of smearing epoxy glue; as the cast steel bars in the bridge sections are broken at the joints, and the adjacent sections are connected by the shear keys and the prestressed steel beams arranged at the joints, the joints are the weakest stress positions of the whole bridge.
When dry seams are adopted for connection, the seam areas between adjacent sections are discontinuous, moisture and acid components in the atmosphere are easy to permeate from the seams to damage the seam positions, and the seams are easy to crack when the traffic flow is increased or a heavy-duty truck passes by; under the erosion of rainwater, the crack constantly extends, and the joint strength between the bridge segment receives the influence, when the crack reaches a certain degree, can cause the bridge fracture.
Disclosure of Invention
In order to increase the connection strength between the bridge sections to reduce the possibility of fracture between the sections, the present application provides a prefabricated bridge section splicing structure and splicing method.
The application provides a prefabricated bridge segment mosaic structure adopts following technical scheme:
a prefabricated bridge section splicing structure comprises splicing parts arranged on bridge sections, wherein a joint is formed between the splicing parts of two adjacent bridge sections, accommodating grooves are formed in the positions, close to the edges of the joints, of the splicing parts, and the accommodating grooves of the two adjacent sections are spliced to form a pouring groove for pouring concrete; the connecting assembly is arranged between the splicing parts of the two adjacent segments and comprises a first connecting block, a second connecting block and a connecting piece for connecting the first connecting block and the second connecting block, and the first connecting block and the second connecting block are respectively arranged on the two adjacent splicing parts.
Through adopting above-mentioned technical scheme, connecting block one and connecting block two set up respectively on the concatenation portion of two adjacent bridge segments, connecting block one and connecting block two pass through connecting piece interconnect to increase the joint strength of two adjacent bridge segments. In addition, by pouring concrete in the pouring grooves, the adjacent two bridge sections form a continuous area at the position of the joint edge, so that the possibility of rainwater penetrating into the joint is reduced, and the possibility of cracks on the bridge is further reduced.
Optionally, a reinforcing assembly is arranged between the first connecting block and the second connecting block, the reinforcing assembly comprises a reinforcing plate, a first reinforcing rod and a second reinforcing rod, the reinforcing plate is connected with the first connecting block through the first reinforcing rod, and the reinforcing plate is connected with the second connecting block through the second reinforcing rod.
Through adopting above-mentioned technical scheme, the gusset plate passes through anchor strut one and anchor strut two and is connected in connecting block one and connecting block two respectively to increase the joint strength of connecting block one and connecting block two, thereby play further reinforcing effect between two adjacent bridge segments.
Optionally, the connecting piece is rod-shaped, the connecting piece threads penetrate through the first connecting block and the second connecting block, the first reinforcing rod threads penetrate through the first connecting block and the reinforcing plate, and the second reinforcing rod threads penetrate through the second connecting block and the reinforcing plate.
Through adopting above-mentioned technical scheme, two bridge sections splice the back, rotate connecting piece, reinforcement bar one and reinforcement bar two and can realize the interconnect of connecting block one and connecting block two to increase the joint strength of adjacent bridge sections.
Optionally, a first gear is sleeved on the first reinforcing rod, a second gear is sleeved on the second reinforcing rod, and the first gear and the second gear are meshed with each other.
Through adopting above-mentioned technical scheme, constructor rotates optional in anchor strut one and the anchor strut two, can realize the synchronous rotation of anchor strut one and anchor strut two to it is more simple and convenient to operate when fixing the gusset plate on connecting block one and connecting block two.
Optionally, the reinforcing component is located in the accommodating groove, and a linkage component for driving the connecting piece and the reinforcing rod to rotate simultaneously is arranged in the accommodating groove.
Through adopting above-mentioned technical scheme, through setting up the interlock subassembly, constructor rotates anchor strut one and can drive the connecting piece and rotate to can make anchor strut one, anchor strut two and connecting piece rotate in step, when connecting block one and connecting block two, it is more simple and convenient to operate, and the efficiency of construction is higher.
Optionally, the connecting piece and the first reinforcing rod are arranged at an angle in the length direction, the linkage assembly comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is connected with the first gear and rotates synchronously with the first gear, and the connecting piece is arranged on the second bevel gear in a penetrating mode.
By adopting the technical scheme, the connecting piece and the reinforcing rod are arranged at an angle, so that the connecting piece and the reinforcing rod I can increase the connecting strength between the two bridge sections in different directions; a rotation of the reinforcing rod can drive the first gear to rotate, and the connecting piece is driven to rotate through mutual meshing of the first bevel gear and the second bevel gear, so that linkage of the first reinforcing rod and the connecting piece is achieved.
Optionally, the first reinforcing rods are provided with at least two, the first reinforcing rods and the gears are arranged in a one-to-one correspondence manner, and two adjacent gears are meshed with each other.
Through adopting above-mentioned technical scheme, through setting up a plurality of anchor strut one to make the joint strength of gusset plate and connecting block one higher, and, through setting up a plurality of gears one, can make a plurality of anchor strut rotate in step, the efficiency of construction is higher.
Optionally, the casting grooves are circumferentially arranged along the joint edge lines of two adjacent segments, and the connecting assemblies are arranged at intervals along the length direction of the casting grooves.
By adopting the technical scheme, concrete is poured in the pouring groove, so that a continuous area is formed between one circle of the edge of the joint and two adjacent bridge sections, and the possibility that rainwater permeates into the joint from outside to inside is reduced.
A method of splicing prefabricated bridge sections, comprising the steps of:
s1: coating epoxy glue on the spliced segments;
s2: hoisting the sections to be spliced and bonding the sections to the bridge sections coated with the epoxy glue;
s3: connecting the first connecting block and the second connecting block to each other through the reinforcing assembly and the connecting assembly;
s4: and pouring concrete in the pouring groove.
Drawings
Fig. 1 is a schematic view illustrating the positions of a plurality of connecting members between two adjacent bridge segments in a prefabricated bridge segment splicing structure according to an embodiment of the present invention.
Fig. 2 is a schematic view of a mechanism for cutting a bridge section (in which a first reinforcing rod and a second reinforcing rod are connected to a reinforcing plate) according to an embodiment of the present application.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Fig. 4 is a schematic structural view (showing positioning rods) of the first reinforcing rod and the second reinforcing rod in the embodiment of the present application when the first reinforcing rod and the second reinforcing rod are not connected with the reinforcing plate.
Description of the reference numerals: 1. a bridge segment; 11. a splice; 111. accommodating a tank; 112. pouring a groove; 12. seaming; 2. a connection assembly; 21. a first connecting block; 211. mounting grooves; 22. a second connecting block; 221. connecting holes; 23. a connecting member; 3. a reinforcement assembly; 31. a reinforcing plate; 32. a first reinforcing rod; 321. a limiting groove; 33. a second reinforcing rod; 4. a linkage assembly; 41. a first gear; 42. a second gear; 43. a first bevel gear; 44. a second bevel gear; 5. and (7) positioning the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses prefabricated bridge segment splicing structure. Referring to fig. 1 to 3, the prefabricated bridge segment splicing structure includes splices 11 integrally formed on the bridge segments 1, wherein the splices 11 of two adjacent bridge segments 1 are bonded to each other by epoxy glue and form a seam 12 at the joint. A connecting assembly 2 is arranged between the splicing parts 11 of the two adjacent bridge sections 1, and the connecting assembly 2 can increase the connecting strength of the two adjacent bridge sections 1; holding tank 111 has been seted up on the side that splice 11 formed seam 12, two bridge segment 1 interconnect back, holding tank 111 on two splice 11 communicate each other and form pouring groove 112, pouring groove 112 sets up at seam 12 edge, constructor can pour concrete in pouring groove 112, thereby make the seam 12 border position of two adjacent bridge segments 1 form continuous region, with the possibility that reduces the rainwater infiltration seam 12 in, thereby further reduce the cracked possibility of taking place between the adjacent segment.
Referring to fig. 1 and 2, the receiving grooves 111 are arranged in a circle along the edge of the seam 12, the cross section of each receiving groove 111 is rectangular, and the side surfaces of the receiving grooves 111 of two adjacent bridge sections 1, which are close to each other, are in a open state; the connecting assembly 2 is installed at the position of the receiving groove 111, and the connecting assembly 2 is uniformly arranged in a plurality along the length direction of the receiving groove 111, so that a plurality of connecting points are arranged at a position of one circumference of the edge of the joint 12 of two adjacent bridge segments 1 to increase the connecting strength between the two adjacent bridge segments 1.
Referring to fig. 2 and 3, the connection assembly 2 includes a first connection block 21, a second connection block 22, and a connection member 23, the first connection block 21 is disposed on the bridge segment 1 to be spliced, and the second connection block 22 is disposed on the spliced bridge segment 1; one part of the first connecting block 21 is positioned in the accommodating groove 111, the other part of the first connecting block is embedded in the bridge section 1 and is welded with a casting reinforcement cage in the bridge section 1, the side surface, close to the second connecting block 22, of the first connecting block 21 is flush with the side surface of the splicing part 11, and the second connecting block 22 is fixed on the adjacent bridge section 1 in the same connecting mode; because when two bridge sections 1 splice, the epoxy glue has certain thickness, consequently two adjacent bridge sections 1 splice the back through the epoxy glue, have the clearance between connecting block one 21 and the connecting block two 22.
Referring to fig. 2 and 3, the connecting member 23 is used for connecting the first connecting block 21 and the second connecting block 22, the connecting member 23 is in a shape of a round bar, and external threads are arranged on the outer circumferential surface of the connecting member 23, and the connecting member 23 is horizontally arranged and perpendicular to the side surfaces of the two bridge sections 1 which are close to each other; when splicing bridge segment 1, connecting piece 23 thread is worn to establish on connecting block one 21 and in submerging connecting block one 21 completely, correspond on connecting block two 22 and be provided with the connecting hole 221 with connecting piece 23 matched with, be provided with the internal thread in the connecting hole 221, after two bridge segments 1 splice each other, rotate connecting piece 23 and can make connecting piece 23 and thread insert in the connecting hole 221 to make connecting block one 21 and connecting block two 22 interconnect.
Referring to fig. 2 and 3, in order to increase the connection strength of the first connecting block 21 and the second connecting block 22, a reinforcing component 3 is arranged between the first connecting block 21 and the second connecting block 22, the reinforcing component 3 comprises a reinforcing plate 31, a first reinforcing rod 32 and a second reinforcing rod 33, the first reinforcing rod 32 is arranged on the first connecting block 21 in a threaded manner, the second reinforcing rod 33 is arranged on the second connecting block 22 in a threaded manner, and the first reinforcing rod 32 and the second reinforcing rod 33 are both arranged vertically; the reinforcing plate 31 is horizontally arranged above the first connecting block 21 and the second connecting block 22, threaded holes matched with the first reinforcing rod 32 and the second reinforcing rod 33 are formed in the reinforcing plate 31 in a penetrating mode, the first reinforcing rod 32 and the second reinforcing rod 33 can be screwed into corresponding threaded holes in the reinforcing plate 31 in an upward threaded mode, the reinforcing plate 31 is mutually fixed to the first connecting block 21 and the second connecting block 22 through the first reinforcing rod 32 and the second reinforcing rod 33, and the first connecting block 21 is further connected with the second connecting block 22 through the reinforcing plate 31.
Referring to fig. 2 and 3, a plurality of first reinforcing rods 32 and a plurality of second reinforcing rods 33 are provided, in this embodiment, two first reinforcing rods 32 and two second reinforcing rods 33 are taken as an example, and the two first reinforcing rods 32 and the two second reinforcing rods 33 are arranged in a straight line, so that when a constructor performs reinforcing connection on two adjacent bridge sections 1, the constructor needs to sequentially screw the connecting member 23, the first reinforcing rods 32 and the second reinforcing rods 33, the operation is troublesome, and the linkage assembly 4 is arranged in the first connecting block 21 so as to simultaneously drive the connecting member 23, the first reinforcing rods 32 and the second reinforcing rods 33 to rotate.
Referring to fig. 2 and 3, the linkage assembly 4 includes a first gear 41, a second gear 42, and a first bevel gear 43 and a second bevel gear 44 which are engaged with each other, wherein the first gear 41 and the second gear 42 have the same size, the first gear 41 and the first reinforcing rod 32 are arranged in a one-to-one correspondence manner, and the second gear 42 and the second reinforcing rod 33 are arranged in a one-to-one correspondence manner; mounting grooves 211 for mounting the linkage assembly 4 are formed in the first connecting block 21 and the second connecting block 22, the lower end of the first gear 41 is rotatably supported on the side wall of the mounting groove 211, and the rotating axis of the first gear 41 is vertically arranged; the first reinforcing rod 32 coaxially penetrates through the first gear 41, a limiting groove 321 is formed in the first reinforcing rod 32 along the length direction of the first reinforcing rod, a limiting block is integrally arranged on the inner side wall of the first gear 41 and is in sliding fit with the limiting groove 321, and the first reinforcing rod 32 can be driven to rotate by the rotation of the first gear 41; the screw thread action of the first reinforcing rod 32 and the first connecting block 21 enables the first reinforcing rod 32 to move upwards while rotating, thereby realizing the screw thread connection with the reinforcing plate 31. The second gear 42 is rotatably supported on the side wall of the mounting groove 211 on the second connecting block 22, the connection mode of the second reinforcing rod 33 on the second gear 42 is the same as that of the first reinforcing rod 32 on the first gear 41, and the second gear 42 rotates to realize the threaded connection of the second reinforcing rod 33 and the reinforcing plate 31; the two first gears 41 are meshed with each other, the two second gears 42 are meshed with each other, and the first gear 41 and the second gear 42 which are close to each other are meshed with each other, that is: any one of the first gear 41 or the second gear 42 is rotated, so that the plurality of reinforcing rods 32 and the plurality of reinforcing rods 33 can be driven to rotate simultaneously, and the plurality of reinforcing rods 32 and the plurality of reinforcing rods 33 are controlled to be in threaded connection with the reinforcing plate 31.
Referring to fig. 2 and 3, a first bevel gear 43 and a second bevel gear 44 are disposed below the first gear 41, and the second bevel gear 44 and the first bevel gear 43 serve to transmit power between the first reinforcing bar 32 and the coupling member 23; the axis of the first bevel gear 43 is vertically arranged, the lower end of the first bevel gear 43 is rotatably supported on the side wall of the mounting groove 211, the upper end of the first bevel gear 43 is fixed on the lower end surface of the first gear 41 meshed with the second gear 42 through a bolt, and the lower end of the first reinforcing rod 32 on the first gear 41 meshed with the second gear 42 is slidably arranged on the first bevel gear 43 in a penetrating manner, namely: the first gear 41 meshed with the second gear 42 can drive the first bevel gear 43 to rotate, and further drive the second bevel gear 44 to rotate. The second bevel gear 44 is rotatably supported on the side wall of the mounting groove 211, the connecting piece 23 is coaxially arranged on the second bevel gear 44 in a penetrating manner, and the connecting way of the connecting piece 23 on the second bevel gear 44 is the same as that of the first reinforcing rod 32 on the first gear 41, namely the connecting piece 23 can slide along the axial direction of the second bevel gear 44 while rotating along with the second bevel gear 44, so that the connecting piece 23 is in threaded connection with the connecting hole 221.
Referring to fig. 4, a force application hole is formed in an upper end surface of the first reinforcing rod 32 inserted through the first gear 41 engaged with the second gear 42, and the force application hole is an inner polygonal hole, such as an inner hexagonal hole, an inner triangular hole, an inner square hole, and the like, so that a constructor can rotate the first reinforcing rod 32.
Referring to fig. 3 and 4, in order to facilitate the mutual meshing of the first gear 41 and the second gear 42 at the edge positions, the edges of the first gear 41 and the second gear 42 respectively protrude out of the side surfaces of the first connecting block 21 and the second connecting block 22 which are close to each other, and the meshing of the first gear 41 and the second gear 42 can be realized when the bridge segment 1 to be spliced is moved to the spliced bridge segment 1; in order to enable the first gear 41 and the second gear 42 to be kept in a meshing state, positioning pieces are arranged on the first gear 41 and the second gear 42 and used for limiting the rotation of the first gear 41 and the second gear 42, so that the possibility that the first gear 41 and the second gear 42 rotate in the transportation process and are difficult to mesh during installation is reduced.
Referring to fig. 4, the positioning element in this embodiment is a positioning rod 5, and hereinafter, the positioning rod 5 for limiting the first gear 41 is taken as an example; a vertical thread of the positioning rod 5 penetrates through the first connecting block 21, and a force application hole is also formed in the upper end face of the positioning rod 5 so as to facilitate twisting of the positioning rod 5; the lower end of the positioning rod 5 extends into the mounting groove 211 and is inserted between two adjacent teeth of the first gear 41, and the positioning rod 5 is in clearance fit with the side faces, close to each other, of the two adjacent teeth of the first gear 41, so that the first gear 41 can rotate to a certain degree while the positioning rod 5 limits the rotation of the first gear 41, and the first gear 41 is more beneficial to meshing of the first gear 41 and the second gear 42. And a positioning rod 5 for limiting the second gear 42 is arranged on the second connecting block 22 in the same way, and the lower end of the positioning rod is inserted between two adjacent teeth on the second gear 42, so that the rotation of the second gear 42 is limited.
The implementation principle of the splicing structure of the prefabricated bridge sections in the embodiment of the application is as follows: firstly, two bridge sections 1 are bonded through epoxy resin adhesive, when the two bridge sections 1 are bonded, a plurality of connecting pieces 23 are correspondingly inserted into connecting holes 221 on two connecting blocks 22, and a plurality of first gears 41 and second gears 42 at corresponding positions are meshed with each other; then, rotating the first reinforcing rods 32 provided with force application holes, driving a plurality of first reinforcing rods 32 and second reinforcing rods 33 to rotate simultaneously through the mutual meshing of the first gears 41 and the second gears 42, moving the first reinforcing rods 32 upwards under the action of the threads of the first reinforcing rods 32 and the first connecting blocks 21, inserting the threads into the threaded holes in the first reinforcing plates 31, inserting the second reinforcing rods 33 upwards into the reinforcing plates 31 in a threaded manner, and connecting the first connecting blocks 21 and the second connecting blocks 22 with each other through the reinforcing plates 31; when the first reinforcing rods 32 rotate, the first reinforcing rods 32 at corresponding positions drive the first bevel gears 43 to rotate, and drive the connecting pieces 23 to rotate through the second bevel gears 44, so that the connecting pieces 23 are connected with the internal threads in the connecting holes 221, and the first connecting blocks 21 and the second connecting blocks 22 are connected. In this embodiment, by providing a plurality of sets of connecting members 2, a plurality of connecting points are added around the edge of the joint 12 of two bridge segments 1, thereby increasing the connecting strength of the two bridge segments 1.
A method of splicing prefabricated bridge sections, comprising the steps of:
s1: uniformly coating epoxy resin glue on the spliced bridge section 1;
s2: sequentially screwing a plurality of connecting pieces 23 into the first connecting blocks 21 on the bridge sections 1 to be spliced, adjusting the length of the connecting pieces 23 extending out of the first connecting blocks 21, hoisting and bonding the bridge sections 1 to be spliced on the bridge sections 1 coated with epoxy glue, and forming a pouring groove 112 between every two adjacent bridge sections 1;
s3: removing the positioning rod 5, and rotating the first reinforcing rods 32 provided with force application holes to enable a plurality of first reinforcing rods 32 and second reinforcing rods 33 to be upwards screwed into the reinforcing plate 31, and simultaneously, screwing the connecting piece 23 into the second connecting block 22 to realize transverse and longitudinal connection between the first connecting block 21 and the second connecting block 22; all the joining assemblies 2 are operated in the same manner around the edge of the seam 12;
s4: concrete is poured in the casting trough 112 such that the edges of the joint 12 form a continuous area with the adjacent two bridge segments 1.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A prefabricated bridge segment splicing structure comprises splicing parts (11) arranged on bridge segments (1), and a seam (12) is formed between the splicing parts (11) of two adjacent bridge segments (1), and is characterized in that: the positions, close to the edges of the joints (12), of the splicing parts (11) are provided with accommodating grooves (111), and the accommodating grooves (111) of two adjacent sections are spliced to form pouring grooves (112) for pouring concrete; be provided with coupling assembling (2) between concatenation portion (11) of two adjacent segmentations, coupling assembling (2) are including connecting block (21) and connecting block two (22) and be used for connecting block (21) and connecting piece (23) of connecting block two (22), connecting block (21) and connecting block two (22) set up respectively on two adjacent concatenation portions (11).
2. The prefabricated bridge segment mosaic structure of claim 1, wherein: be provided with between connecting block (21) and the connecting block two (22) and consolidate subassembly (3), consolidate subassembly (3) including gusset plate (31), reinforcing rod (32) and reinforcing rod two (33), gusset plate (31) are connected with connecting block (21) through reinforcing rod (32), gusset plate (31) are connected with connecting block two (22) through reinforcing rod two (33).
3. The prefabricated bridge segment mosaic structure of claim 2, wherein: the connecting piece (23) is rod-shaped, the connecting piece (23) is arranged on the first connecting block (21) and the second connecting block (22) in a threaded mode, the first reinforcing rod (32) is arranged on the first connecting block (21) and the reinforcing plate (31) in a threaded mode, and the second reinforcing rod (33) is arranged on the second connecting block (22) and the reinforcing plate (31) in a threaded mode.
4. The prefabricated bridge segment splicing structure of claim 3, wherein: the device is characterized in that a first gear (41) is sleeved on the first reinforcing rod (32), a second gear (42) is sleeved on the second reinforcing rod (33), and the first gear (41) and the second gear (42) are meshed with each other.
5. The prefabricated bridge segment splicing structure of claim 4, wherein: the reinforcing component (3) is located in the accommodating groove (111), and a linkage component (4) used for driving the connecting piece (23) and the first reinforcing rod (32) to rotate simultaneously is arranged in the accommodating groove (111).
6. The prefabricated bridge segment mosaic structure of claim 5, wherein: the connecting piece (23) and the length direction of the first reinforcing rod (32) are arranged in an angle mode, the linkage assembly (4) comprises a first bevel gear (43) and a second bevel gear (44) which are meshed with each other, the first bevel gear (43) and the first gear (41) are connected with each other and rotate synchronously with the first gear (41), and the connecting piece (23) penetrates through the second bevel gear (44).
7. The prefabricated bridge segment mosaic structure of claim 6, wherein: the number of the first reinforcing rods (32) is at least two, the first reinforcing rods (32) and the first gears (41) are arranged in a one-to-one correspondence mode, and the adjacent two first gears (41) are meshed with each other.
8. The prefabricated bridge segment mosaic structure of claim 6, wherein: and a positioning piece for limiting the rotation of the first gear (41) meshed with the second gear (42) is arranged on the first connecting block (21).
9. The prefabricated bridge segment splicing structure of any one of claims 1 to 8, wherein: the pouring grooves (112) are arranged in a surrounding mode along edge lines of joints (12) of two adjacent segments, and the connecting assemblies (2) are arranged in a plurality at intervals along the length direction of the pouring grooves (112).
10. A method of splicing prefabricated bridge sections, comprising the steps of:
s1: coating epoxy glue on the spliced segments;
s2: hoisting the sections to be spliced and adhering the sections to be spliced to the bridge sections (1) coated with the epoxy glue;
s3: the first connecting block (21) and the second connecting block (22) are connected with each other through the reinforcing component (3) and the connecting component (2);
s4: and pouring concrete in the pouring groove (112).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210576373.8A CN114775445B (en) | 2022-05-25 | 2022-05-25 | Prefabricated bridge segment splicing structure and splicing method |
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| CN202210576373.8A CN114775445B (en) | 2022-05-25 | 2022-05-25 | Prefabricated bridge segment splicing structure and splicing method |
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| CN114775445B CN114775445B (en) | 2023-12-22 |
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