CN117307227B - Ultra-high-performance concrete assembled rail top air duct structure and construction method thereof - Google Patents
Ultra-high-performance concrete assembled rail top air duct structure and construction method thereof Download PDFInfo
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- CN117307227B CN117307227B CN202311430811.0A CN202311430811A CN117307227B CN 117307227 B CN117307227 B CN 117307227B CN 202311430811 A CN202311430811 A CN 202311430811A CN 117307227 B CN117307227 B CN 117307227B
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- vertical plate
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 11
- 239000003292 glue Substances 0.000 claims abstract description 74
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 239000004567 concrete Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 abstract description 7
- 239000000243 solution Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of rail roof air channels, in particular to an ultra-high performance concrete assembled rail roof air channel structure and a construction method thereof, wherein the ultra-high performance concrete assembled rail roof air channel structure comprises a tunnel wall body and further comprises: the vertical plate is vertically arranged on the tunnel wall, a right-angle frame is arranged on the top wall of the tunnel wall, a right-angle plate matched with the right-angle frame is arranged on the top wall of the vertical plate, and a transverse plate is arranged above the supporting table and the supporting block in a combined mode; the glue injection mechanism comprises two first diversion trenches symmetrically arranged on two side walls of the vertical plate, two second diversion trenches symmetrically arranged on two side walls of the transverse plate, and a filling trench arranged on one side of the transverse plate, which is close to the tunnel wall. According to the scheme, the diversion trenches and the diversion holes for diversion of the colloid are respectively formed in the transverse plate and the vertical plate, so that after the transverse plate and the vertical plate are assembled, gaps among the transverse plate, the vertical plate and the tunnel wall body can be filled through a single glue injection pipe, the gaps do not need to be filled one by one above the air duct, and the assembly efficiency is improved.
Description
Technical Field
The invention relates to the technical field of rail top air channels, in particular to an ultra-high performance concrete assembled rail top air channel structure and a construction method thereof.
Background
The rail top air duct, namely the train top exhaust duct, is an important internal structural member in the ventilation system of the subway station and is hung at the junction position of the middle plate and the structural side wall of the station. Because of the specificity of the position, the air channel is not cast with the station main body at the same time, and particularly in the station through which the shield construction needs to pass, the air channel at the rail top needs to be cast in a later period. The rail top air duct is divided into a cast-in-situ reinforced concrete rail top air duct and a prefabricated air duct, and mainly cast-in-situ construction is adopted in China.
Some assembled air duct structures also exist in the prior art, workers are required to fill gaps after assembly so as to ensure the tightness of the air duct structures, constructors are required to climb to the upper part of the air duct in the existing glue filling process, and then glue filling is carried out on all the gaps respectively.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an ultra-high performance concrete assembled rail top air duct structure and a construction method thereof, which can effectively solve the problem that the air duct structure in the prior art is troublesome to joint after being assembled.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides an ultra-high performance concrete assembled rail top air duct structure and a construction method thereof, wherein the ultra-high performance concrete assembled rail top air duct structure comprises a tunnel wall body and further comprises:
the vertical plate is vertically arranged on the tunnel wall body, a right-angle frame is arranged on the top wall of the tunnel wall body, a right-angle plate matched with the right-angle frame is arranged on the top wall of the vertical plate, a supporting block is arranged on one side, close to the tunnel wall body, of the vertical plate, a supporting table is arranged on the side wall of the tunnel wall body, and a transverse plate is arranged above the supporting table and the supporting block in a combined mode;
the utility model provides a glue injection mechanism for sealing gap between diaphragm, riser and the tunnel wall body, including two first guiding gutter of symmetry seting up on the riser both sides wall, two second guiding gutter have been seted up to the symmetry on the both sides wall of diaphragm, set up the third guiding gutter that is used for first guiding gutter and second guiding gutter to be linked together on the riser lateral wall, set up on the diaphragm one side outer wall with two injecting glue holes, and two injecting glue holes respectively with two first guiding gutter one-to-one intercommunication, the diaphragm is close to tunnel wall body one side and has been seted up the filling groove, the intercommunication has the second guiding gutter between filling groove and the second guiding gutter, diaphragm is close to riser one side and is equipped with the picture peg, set up the fitting groove on the riser, and picture peg and width are less than the degree of depth of fitting groove, be equipped with first fixed plate and second fixed plate respectively in the fitting groove, and the interval and the picture peg thickness of first fixed plate and second fixed plate are the same, set up on the first guiding gutter and open to first guiding gutter between first fixed plate and the second fixed plate space.
Further, be equipped with strengthening mechanism between diaphragm, riser and the tunnel wall body, including seting up the mounting hole on the diaphragm, and four corners that the mounting hole is close to the diaphragm respectively, set up first locating hole on the supporting shoe roof, a plurality of second locating holes have been seted up to the supporting bench roof, two of them the mounting hole cooperatees with first locating hole, and two in addition the mounting hole cooperatees with the second locating hole, all fixed the inserting has the strengthening rib in first locating hole and the second locating hole, set up the spread groove that is linked together with the mounting hole on the lateral wall of diaphragm.
Further, a storage groove is formed in the top wall of the transverse plate, which is close to one side of the filling groove, a sealing frame is arranged in the storage groove in a sliding mode, two sliding rods matched with the first diversion grooves are arranged on the sealing frame, and the two sliding rods are in one-to-one corresponding sliding installation with the two first diversion grooves.
Further, the riser is kept away from diaphragm one side and is equipped with the injecting glue pipe, and the both ends of injecting glue pipe respectively with two injecting glue holes one-to-one intercommunication, the middle section of injecting glue pipe is equipped with into the glue mouth, two slots have been seted up on the injecting glue pipe, and two insert respectively in the slot and be equipped with a baffle, and two baffles are located the both sides of advancing the glue mouth.
Further, a reinforcing hole is formed between the right-angle frame and the right-angle plate, and a split bolt is inserted into the reinforcing hole.
A construction method of a rail top air duct comprises the following steps:
s1: prefabricating each prefabricated rail roof air duct unit, and reserving lap joints for assembling the corresponding prefabricated rail roof air duct units on the top and the side wall of the tunnel;
s2: performing assembly construction of each prefabricated rail-top air duct unit, wherein the assembly construction of each prefabricated rail-top air duct unit comprises: after the prefabricated rail top air duct units are sequentially lifted to a preset height by lifting equipment, assembling the prefabricated rail top air duct units;
s3: positioning groove groups for positioning and aligning are arranged on each prefabricated rail top air channel unit, and cast-in-place concrete is carried out after the assembly is completed;
s4: the guide groove groups communicated with each other are reserved among the prefabricated rail top air duct units in the prefabrication process, glue injection is carried out from the outside of the prefabricated rail top air duct units after assembly is completed, and glue flows to all gaps through the guide groove groups, so that joint filling and sealing are realized.
Further, the lap joint comprises a supporting table arranged on the side wall of the tunnel wall body and a right-angle frame on the top wall, and the prefabricated rail top air channel unit comprises a transverse plate and a vertical plate.
Further, S201: firstly lifting a vertical plate to a position of a tunnel wall body, which is close to the top wall, through lifting equipment, and then enabling a right angle plate to be clamped on a right angle frame through translation, wherein a split bolt is pre-embedded on the right angle plate, and then screwing a nut after the split bolt passes through the right angle frame;
s202: lifting the transverse plate to the upper parts of the supporting table and the supporting blocks in an inclined state through lifting equipment, adjusting the position of the transverse plate, enabling the lateral sides of the transverse plate and the vertical plate to be aligned, pushing the transverse plate to move towards the vertical plate, and enabling the inserting plate reserved on the transverse plate to be located between the first fixing plate and the second fixing plate.
Further, the positioning groove group comprises a mounting hole, a first positioning hole and a second positioning hole, wherein a connecting groove is formed in the side of the mounting hole;
s301: after the assembly is completed, concrete is injected into the connecting grooves, the concrete enters the mounting holes, the connecting grooves on the side walls of the two adjacent transverse plates are communicated, and the single connecting groove can finish the casting of the concrete of the two mounting holes.
Further, the diversion trench group comprises a first diversion trench, a second diversion trench and a third diversion trench;
s401: the first diversion trenches are communicated with the two sides of the vertical plate through the rubber injection pipe;
s402: and injecting glue into the middle of the glue injection pipe, wherein the glue enters the second diversion trench through the second diversion trench on one hand and then enters the filling trench through the second diversion trench on the other hand, and the glue enters between the second fixing plate and the second fixing plate through the second first diversion trench on the other hand.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
according to the scheme, the diversion trenches and the diversion holes for diversion of the colloid are respectively formed in the transverse plate and the vertical plate, so that after the transverse plate and the vertical plate are assembled, gaps among the transverse plate, the vertical plate and the tunnel wall body can be filled through a single glue injection pipe, the gaps do not need to be filled one by one above the air duct, and the assembly efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is an overall schematic of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of a tunnel wall according to the present invention;
FIG. 4 is a schematic view of the cross plate structure of the present invention;
FIG. 5 is a schematic elevational view of a riser of the present invention;
FIG. 6 is a schematic rear view of a riser of the present invention;
FIG. 7 is a partial cross-sectional view of the invention after splicing adjacent risers and adjacent cross-plates;
FIG. 8 illustrates the flow of glue at the assembly of the risers and rails of the present invention;
FIG. 9 shows the flow direction of the glue on the side of the cross plate close to the tunnel wall in the present invention;
FIG. 10 is a schematic view of the assembly of the riser of the present invention;
FIG. 11 is a schematic view of the assembly of the cross plate of the present invention;
FIG. 12 is a schematic illustration of the injection and casting of concrete of the present invention;
fig. 13 is a construction flow chart of the present invention.
Reference numerals in the drawings represent respectively: 1. a tunnel wall; 2. a cross plate; 3. a riser; 301. an assembly groove; 4. a support table; 5. a right angle frame; 6. a right angle plate; 7. a vent; 8. a mounting hole; 9. a connecting groove; 10. inserting plate; 11. a support block; 12. a first fixing plate; 13. a second fixing plate; 14. a first positioning hole; 15. a second positioning hole; 16. reinforcing ribs; 17. a first diversion trench; 18. a second diversion trench; 19. a third diversion trench; 20. a rubber injection pipe; 21. a glue inlet; 22. a glue injection hole; 23. a first deflector aperture; 24. a partition plate; 25. a sealing frame; 26. a slide bar; 27. a storage groove; 28. filling the groove; 29. a second deflector aperture; 30. and (5) a split bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples: referring to fig. 1 to 13, an ultra-high performance concrete assembled rail top air duct structure and a construction method thereof, comprising a tunnel wall 1, further comprising:
the vertical plate 3 is vertically arranged on the tunnel wall 1, a right-angle frame 5 is arranged on the top wall of the tunnel wall 1, a right-angle plate 6 matched with the right-angle frame 5 is arranged on the top wall of the vertical plate 3, a supporting block 11 is arranged on one side, close to the tunnel wall 1, of the vertical plate 3, a supporting table 4 is arranged on the side wall of the tunnel wall 1, a transverse plate 2 is jointly erected above the supporting table 4 and the supporting block 11, a reinforcing mechanism is arranged among the transverse plate 2, the vertical plate 3 and the tunnel wall 1, the reinforcing mechanism comprises mounting holes 8 which are formed in the transverse plate 2, the mounting holes 8 are respectively close to four corners of the transverse plate 2, a first positioning hole 14 is formed in the top wall of the supporting block 11, a plurality of second positioning holes 15 are formed in the top wall of the supporting table 4, two mounting holes 8 are matched with the first positioning holes 14, reinforcing ribs 16 are fixedly inserted into the first positioning holes 14 and the second positioning holes 15, connecting grooves 9 communicated with the mounting holes 8 are formed in the side wall of the transverse plate 2, and joint bolt inserting holes 30 are jointly formed between the right-angle frame 5 and the reinforcing holes 6;
after the assembly of the transverse plate 2 and the vertical plate 3 is completed, concrete needs to be poured into the mounting hole 8, and the concrete flows into the first positioning hole 14 and the second positioning hole 15 from the mounting hole 8, so that the reinforcing connection between the transverse plate 2 and the vertical plate 3 and between the transverse plate and the tunnel wall 1 is realized, wherein reinforcing ribs 16 are arranged in the first positioning hole 14 and the second positioning hole 15, and the reinforcing ribs 16 are reinforcing steel bars for improving the strength after the pouring is completed.
In order to improve the connection strength between the adjacent transverse plates 2, the connecting grooves 9 are formed in the sides of the mounting holes 8, so that after the adjacent transverse plates 2 are assembled, the two adjacent connecting grooves 9 can be communicated (as shown in fig. 7), the connection between the two transverse plates 2 can be completed by pouring concrete into the connecting grooves 9, and the adjacent mounting holes 8 are reinforced and connected through the concrete in the two connecting grooves 9.
Referring to fig. 1-13, the glue injection mechanism is used for sealing a gap between a transverse plate 2, a vertical plate 3 and a tunnel wall 1, and comprises two first diversion trenches 17 symmetrically formed on two side walls of the vertical plate 3, two second diversion trenches 18 symmetrically formed on two side walls of the transverse plate 2, a third diversion trench 19 used for communicating the first diversion trenches 17 with the second diversion trenches 18 is formed on the side wall of the vertical plate 3, two glue injection holes 22 are formed on the outer wall of one side of the vertical plate 3 far from the transverse plate 2, the two glue injection holes 22 are respectively communicated with the two first diversion trenches 17 in a one-to-one correspondence manner, a filling groove 28 is formed on one side of the transverse plate 2 close to the tunnel wall 1, a second diversion trench 29 is communicated between the filling groove 28 and the second diversion trenches 18, a plugboard 10 is formed on one side of the transverse plate 2 close to the vertical plate 3, an assembly groove 301 is formed on the vertical plate 3, the plugboard 10 and the width of the plugboard 10 are smaller than the depth of the assembly groove 301, a first fixing plate 12 and a second fixing plate 13 are respectively formed in the assembly groove 301, the first fixing plate 12 and the second fixing plate 13 are respectively communicated with the first diversion trench 13, and the first fixing hole 12 is formed between the first fixing hole 13 and the first diversion trench 13 and the first fixing hole 13 is communicated with the first diversion trench 13; the diaphragm 2 has seted up on the roof that is close to filling groove 28 one side and has accomodate groove 27, accomodate the slip in the groove 27 and be equipped with sealed frame 25, install two slide bars 26 with first guiding gutter 17 assorted on the sealed frame 25, and two slide bars 26 and two first guiding gutter 17 one-to-one slidable mounting, diaphragm 2 one side is kept away from to riser 3 is equipped with the injecting glue pipe 20, and the both ends of injecting glue pipe 20 communicate with two injecting glue hole 22 one-to-one respectively, the middle section of injecting glue pipe 20 is equipped with into gluey mouth 21, two slots have been seted up on the injecting glue pipe 20, and insert respectively in two slots and be equipped with a baffle 24, and two baffles 24 are located the both sides of advancing gluey mouth 21.
In order to realize after the assembly, pack the seal fast to the gap between diaphragm 2, riser 3 and the tunnel wall body 1 three, offered a plurality of guiding gutter in diaphragm 2 and riser 3, the colloid flows into in the gap through the guiding gutter rapidly to this accomplishes quick packing, and can accomplish and pack simultaneously, improved the efficiency of construction, specific:
glue is injected into the glue inlet 21 through glue injection equipment, glue enters the first diversion trenches 17 through the glue injection pipe 20 through the two glue injection holes 22, wherein the first diversion trenches 17 are positioned on the side wall of the vertical plate 3, when the two adjacent vertical plates 3 are attached, the two first diversion trenches 17 form a cavity, the glue in the first diversion trenches 17 is gradually accumulated, after reaching the height of the third diversion trenches 19, the glue enters the second diversion trenches 18 through the third diversion trenches 19, the glue is the same as the first diversion trenches 17, two adjacent second diversion trenches 18 after the two transverse plates 2 are attached form a cavity, the glue enters the two second diversion trenches 18, and the glue in the second diversion trenches 18 is used for connecting between the two adjacent transverse plates 2 and sealing gaps between the two adjacent transverse plates;
in addition, after the colloid fills the second diversion trench 18, the colloid in the interior continues to increase, and pushes the slide bar 26 in the second diversion trench 18 gradually, as shown in fig. 4 and 9, when the slide bar 26 is pushed, the sealing frame 25 moves towards the side direction of the tunnel wall 1 and is gradually attached to the edge of the tunnel wall 1, namely, the filling slot 28 is isolated from the outside, the colloid enters the filling slot 28 through the second diversion hole 29, the filling slot 28 is positioned between the transverse plate 2 and the tunnel wall 1, after the colloid is filled, the connection between the transverse plate 2 and the tunnel wall 1 is enhanced, and the tightness of the transverse plate and the tunnel wall 1 is improved.
The glue in the first diversion trench 17 can enter the second diversion trench 18 on the one hand, and can enter between the first fixed plate 12 and the second fixed plate 13 through the first diversion hole 23 on the other hand, it is worth noting that the bottom wall of the plugboard 10 on the transverse plate 2 is lapped above the first fixed plate 12, and the top wall of the plugboard can be propped against the bottom wall of the second fixed plate 13, or the end part of the plugboard and the end part of the second fixed plate 13 are fully extruded (as shown in fig. 8), so that the gap and the cavity between the transverse plate 2 and the vertical plate 3 can be filled when the glue enters between the first fixed plate 12 and the second fixed plate 13, the connection strength of the two is higher, and the sealing performance is good.
The above-mentioned injecting glue process only needs a glue inlet 21, it is very convenient, it is notable that there are two transverse plates 2 and vertical plates 3 located at the end after the whole air duct is assembled, at this time, the partition plate 24 in the corresponding direction can be inserted tightly, so that the glue can not enter the first diversion trench 17 located at the edge.
Some of the cross plates 2 are provided with ventilation openings 7, some are not, which are adapted according to the condenser position in the tunnel, which is known in the art and will not be described in detail here.
Referring to fig. 1 to 13, a construction method of a rail top air duct includes the following steps:
s1: prefabricating each prefabricated rail roof air duct unit, and reserving lap joints for assembling the corresponding prefabricated rail roof air duct units on the top and the side wall of the tunnel;
s2: performing assembly construction of each prefabricated rail-top air duct unit, wherein the assembly construction of each prefabricated rail-top air duct unit comprises: after the prefabricated rail top air duct units are sequentially lifted to a preset height by lifting equipment, assembling the prefabricated rail top air duct units;
s3: positioning groove groups for positioning and aligning are arranged on each prefabricated rail top air channel unit, and cast-in-place concrete is carried out after the assembly is completed;
s4: the guide groove groups communicated with each other are reserved among the prefabricated rail top air duct units in the prefabrication process, glue injection is carried out from the outside of the prefabricated rail top air duct units after assembly is completed, and glue flows to all gaps through the guide groove groups, so that joint filling and sealing are realized.
The lap joint comprises a supporting table 4 arranged on the side wall of the tunnel wall 1 and a right-angle frame 5 on the top wall, and the prefabricated rail top air duct unit comprises a transverse plate 2 and a vertical plate 3;
s201: firstly, lifting a vertical plate 3 to a position, close to the top wall, of a tunnel wall body 1 by lifting equipment, and then enabling a rectangular plate 6 to be clamped on a right-angle frame 5 by translation, wherein a split bolt 30 is embedded in the rectangular plate 6, and nuts are screwed after the split bolt 30 passes through the right-angle frame 5;
s202: the cross plate 2 is lifted to the upper side of the supporting table 4 and the supporting block 11 in an inclined state by the lifting device, the position of the cross plate 2 is adjusted so that the side edges of the cross plate 2 and the vertical plate 3 are aligned, and the cross plate 2 is pushed to move toward the vertical plate 3 so that the insert plate 10 reserved on the cross plate 2 is positioned between the first fixing plate 12 and the second fixing plate 13.
It is worth noting that, in order to make the constructor need not climb into the wind channel in the whole work progress, can be when riser 3 carries out the assembly, pre-buried the split bolt 30 on the top lateral wall of riser 3 in advance, adopt the pre-buried mode of level, and reserve corresponding jack on the right angle frame 5, as shown in fig. 10, in the installation, the split bolt 30 is close to right angle frame 5 one end and does not install the nut earlier, screw up the nut after riser 3 finishes assembling, the installation is also in the outside in wind channel like this, the degree of difficulty of installation has been reduced.
In addition, the cross plate 2 needs to be inclined at a certain angle when being lifted, and the inclination is about 5-10 degrees.
The positioning groove group comprises a mounting hole 8, a first positioning hole 14 and a second positioning hole 15, wherein a connecting groove 9 is formed in the side of the mounting hole 8;
s301: after the assembly is completed, concrete is injected into the connecting grooves 9, the concrete enters the mounting holes 8, the connecting grooves 9 on the side walls of the two adjacent transverse plates 2 are communicated, and the single connecting groove 9 can finish the casting of the concrete of the two mounting holes 8.
The diversion trench group comprises a first diversion trench 17, a second diversion trench 18 and a third diversion trench 19;
s401: the first diversion trenches 17 are communicated with the two sides of the vertical plate 3 through the glue injection pipe 20;
s402: glue is injected into the middle part of the glue injection pipe 20, on one hand, the glue enters the second diversion trench 18 through the second diversion trench 18, and then enters the filling trench 28 through the second diversion trench 29, and on the other hand, the glue enters the space between the first fixed plate 12 and the second fixed plate 13 through the first diversion trench 23.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides an ultra-high performance concrete assembled rail roof wind channel structure, includes tunnel wall body (1), its characterized in that still includes:
the vertical plate (3) is arranged on the tunnel wall body (1) in a vertical state, a right-angle frame (5) is arranged on the top wall of the tunnel wall body (1), a right-angle plate (6) matched with the right-angle frame (5) is arranged on the top wall of the vertical plate (3), a supporting block (11) is arranged on one side, close to the tunnel wall body (1), of the vertical plate (3), a supporting table (4) is arranged on the side wall of the tunnel wall body (1), and a transverse plate (2) is erected above the supporting table (4) and the supporting block (11) together;
the glue injection mechanism is used for sealing gaps between the transverse plate (2), the vertical plate (3) and the tunnel wall body (1), and comprises two first guide grooves (17) symmetrically arranged on two side walls of the vertical plate (3), two second guide grooves (18) are symmetrically arranged on two side walls of the transverse plate (2), a third guide groove (19) used for the first guide grooves (17) and the second guide grooves (18) to be communicated is arranged on the side wall of the vertical plate (3), two glue injection holes (22) are arranged on the outer wall of one side of the vertical plate (3) far away from the transverse plate (2), the two glue injection holes (22) are respectively communicated with the two first guide grooves (17) in a one-to-one correspondence mode, a filling groove (28) is arranged on one side of the transverse plate (2) close to the tunnel wall body (1), a second guide hole (29) is arranged between the filling groove (28) and the second guide groove (18), a plugboard (10) is arranged on one side of the transverse plate (2) close to the vertical plate (3), two glue injection holes (22) are arranged on one side of the transverse plate (3), the two first guide grooves (301) are respectively communicated with the two first guide grooves (17), the first guide grooves (29) and the second guide grooves (29) are arranged on one side of the transverse plate (2), the same as the first guide grooves (13), the first guide grooves (29) and the second guide grooves are arranged with the same. The first diversion trench (17) is provided with a first diversion hole (23) which is communicated with a space between the first fixed plate (12) and the second fixed plate (13);
a storage groove (27) is formed in the top wall of one side, close to the filling groove (28), of the transverse plate (2), a sealing frame (25) is slidably arranged in the storage groove (27), two sliding rods (26) matched with the first diversion grooves (17) are arranged on the sealing frame (25), and the two sliding rods (26) are slidably arranged in one-to-one correspondence with the two first diversion grooves (17);
the vertical plate (3) is provided with a glue injection pipe (20) at one side far away from the transverse plate (2), two ends of the glue injection pipe (20) are respectively communicated with two glue injection holes (22) in a one-to-one correspondence manner, a glue inlet (21) is formed in the middle section of the glue injection pipe (20), two slots are formed in the glue injection pipe (20), one partition plate (24) is respectively inserted into the two slots, and the two partition plates (24) are positioned at two sides of the glue inlet (21);
be equipped with strengthening mechanism between diaphragm (2), riser (3) and tunnel wall body (1), including seting up mounting hole (8) on diaphragm (2), and mounting hole (8) are close to four corners of diaphragm (2) respectively, first locating hole (14) have been seted up on supporting shoe (11) roof, a plurality of second locating holes (15) have been seted up on supporting bench (4) roof, two wherein mounting hole (8) cooperate with first locating hole (14), and two in addition mounting hole (8) cooperate with second locating hole (15), all fixed the inserting in first locating hole (14) and second locating hole (15) are equipped with strengthening rib (16), connecting groove (9) that are linked together with mounting hole (8) have been seted up on the lateral wall of diaphragm (2).
2. The ultra-high performance concrete assembled rail top air duct structure according to claim 1, wherein reinforcing holes are formed between the right angle frame (5) and the right angle plate (6), and split bolts (30) are inserted into the reinforcing holes.
3. The construction method for the rail top air duct structure, which is applicable to the rail top air duct structure in the claim 2, is characterized by comprising the following steps:
s1: prefabricating each prefabricated rail roof air duct unit, and reserving lap joints for assembling the corresponding prefabricated rail roof air duct units on the top and the side wall of the tunnel;
s2: performing assembly construction of each prefabricated rail-top air duct unit, wherein the assembly construction of each prefabricated rail-top air duct unit comprises: sequentially lifting each prefabricated rail top air channel unit to a preset height through lifting equipment, and then assembling each prefabricated rail top air channel unit;
s3: positioning groove groups for positioning and aligning are arranged on each prefabricated rail top air channel unit, and cast-in-place concrete is carried out after the assembly is completed;
s4: a guide groove group communicated with each other is reserved among the prefabricated rail top air duct units in the prefabrication process, glue is injected from the outside of the prefabricated rail top air duct units after the assembly is completed, and the glue flows to each gap through the guide groove group to realize joint filling and sealing;
the lap joint comprises a supporting table (4) arranged on the side wall of the tunnel wall (1) and a right-angle frame (5) arranged on the top wall, and the prefabricated rail top air duct unit comprises a transverse plate (2) and a vertical plate (3);
the positioning groove group comprises a mounting hole (8), a first positioning hole (14) and a second positioning hole (15), wherein a connecting groove (9) is formed in the side of the mounting hole (8);
the diversion trench group comprises a first diversion trench (17), a second diversion trench (18) and a third diversion trench (19).
4. The construction method of a rail top air duct structure according to claim 3, wherein,
s201: firstly, lifting a vertical plate (3) to a position, close to the top wall, of a tunnel wall body (1) through lifting equipment, and then enabling a right angle plate (6) to be clamped on a right angle frame (5) through translation, wherein a split bolt (30) is pre-embedded on the right angle plate (6), and then screwing a nut after the split bolt (30) passes through the right angle frame (5);
s202: lifting the transverse plate (2) to the supporting table (4) and the supporting block (11) through lifting equipment in an inclined state, adjusting the position of the transverse plate (2) to enable the lateral sides of the transverse plate (2) and the vertical plate (3) to be aligned, pushing the transverse plate (2) to move towards the vertical plate (3) and enabling the inserting plate (10) reserved on the transverse plate (2) to be located between the first fixing plate (12) and the second fixing plate (13).
5. The construction method of a rail roof air duct structure according to claim 4, wherein,
s301: after assembly, concrete is injected into the connecting grooves (9), the concrete enters the mounting holes (8), the connecting grooves (9) on the side walls of the two adjacent transverse plates (2) are communicated, and the single connecting groove (9) can finish the casting of the concrete of the two mounting holes (8).
6. The construction method of a rail top air duct structure according to claim 5, wherein,
s401: the first diversion trenches (17) are communicated with the two sides of the vertical plate (3) through the glue injection pipe (20);
s402: and injecting glue into the middle part of the glue injection pipe (20), wherein on one hand, the glue enters the second diversion trench (18) through the second diversion trench (18) and then enters the filling trench (28) through the second diversion trench (29), and on the other hand, the glue enters between the first fixed plate (12) and the second fixed plate (13) through the first diversion trench (23).
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743369B1 (en) * | 2006-11-21 | 2007-07-26 | 서상준 | Precast culvert assembly for both culvert and utility-pipe conduit |
| JP2016142029A (en) * | 2015-02-02 | 2016-08-08 | 大成建設株式会社 | Tunnel ventilation equipment and ventilation method |
| CN109853908A (en) * | 2019-01-11 | 2019-06-07 | 广州地铁设计研究院股份有限公司 | The novel prefabricated rail top air channel structure of one kind and its construction method |
| CN110359671A (en) * | 2019-07-12 | 2019-10-22 | 中铁第四勘察设计院集团有限公司 | A kind of assembled rail pipeline construction method against the wind |
| CN111535360A (en) * | 2020-04-14 | 2020-08-14 | 中铁第四勘察设计院集团有限公司 | Mounting method and mounting structure of rail top air duct |
| CN113944299A (en) * | 2021-09-10 | 2022-01-18 | 广西大学 | Subway station steel fiber concrete prefabricated rail top air duct |
| CN114685124A (en) * | 2022-05-31 | 2022-07-01 | 中建六局(天津)绿色建筑科技有限公司 | Prefabricated rail top air duct assembling gap sealing filler and construction method thereof |
| CN114991845A (en) * | 2022-07-04 | 2022-09-02 | 中建六局(天津)绿色建筑科技有限公司 | Assembled installation system of prefabricated rail top air duct in underground space |
-
2023
- 2023-10-31 CN CN202311430811.0A patent/CN117307227B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100743369B1 (en) * | 2006-11-21 | 2007-07-26 | 서상준 | Precast culvert assembly for both culvert and utility-pipe conduit |
| JP2016142029A (en) * | 2015-02-02 | 2016-08-08 | 大成建設株式会社 | Tunnel ventilation equipment and ventilation method |
| CN109853908A (en) * | 2019-01-11 | 2019-06-07 | 广州地铁设计研究院股份有限公司 | The novel prefabricated rail top air channel structure of one kind and its construction method |
| CN110359671A (en) * | 2019-07-12 | 2019-10-22 | 中铁第四勘察设计院集团有限公司 | A kind of assembled rail pipeline construction method against the wind |
| CN111535360A (en) * | 2020-04-14 | 2020-08-14 | 中铁第四勘察设计院集团有限公司 | Mounting method and mounting structure of rail top air duct |
| CN113944299A (en) * | 2021-09-10 | 2022-01-18 | 广西大学 | Subway station steel fiber concrete prefabricated rail top air duct |
| CN114685124A (en) * | 2022-05-31 | 2022-07-01 | 中建六局(天津)绿色建筑科技有限公司 | Prefabricated rail top air duct assembling gap sealing filler and construction method thereof |
| CN114991845A (en) * | 2022-07-04 | 2022-09-02 | 中建六局(天津)绿色建筑科技有限公司 | Assembled installation system of prefabricated rail top air duct in underground space |
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