CN108729931B - Tunnel inverted arch repairing secondary lining reinforcing structure and construction method - Google Patents
Tunnel inverted arch repairing secondary lining reinforcing structure and construction method Download PDFInfo
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- CN108729931B CN108729931B CN201810503362.0A CN201810503362A CN108729931B CN 108729931 B CN108729931 B CN 108729931B CN 201810503362 A CN201810503362 A CN 201810503362A CN 108729931 B CN108729931 B CN 108729931B
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 27
- 239000004568 cement Substances 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008439 repair process Effects 0.000 claims description 7
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- 239000002689 soil Substances 0.000 abstract description 10
- 230000008569 process Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel inverted arch repairing secondary lining reinforcing structure, which comprises a trapezoid base, wherein the top of the trapezoid base is communicated with a main body pipe through a connecting flange, and limit strips are fixedly connected to the upper side and the lower side of the inner wall of the main body pipe, and the tunnel inverted arch repairing secondary lining reinforcing structure relates to the technical field of tunnel engineering. This tunnel inverted arch restores secondary lining reinforced structure and construction method utilizes the cooperation of trapezoidal base and main part pipe, can build the arch support in the tunnel, and then can support the top soil layer of tunnel, and after utilizing the connecting plate to connect the backup pad, can keep off the top soil layer, avoid earth to drop, set up the lower backup pad and then can keep the smoothness after the tunnel is built, all devices are all installed fixedly through the form of scene concatenation, the construction is quick, and be convenient for transport, can guarantee higher supporting strength simultaneously, the security of tunnel has been guaranteed, and through improving the intensity of steel construction itself, make the steel construction of needs reduce by a large amount.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to a tunnel inverted arch repairing secondary lining reinforcing structure and a construction method.
Background
Tunnels are buildings that are built underground or under water or in mountains, paved with railways or built on roads for the passage of motor vehicles. The tunnel type tunnel is divided into mountain tunnels, underwater tunnels and urban tunnels according to the positions of the tunnel type tunnel. A tunnel called mountain tunnel which passes under a mountain or a hilly in order to shorten a distance and avoid a large slope; what is known as an underwater tunnel passing under a river or the sea floor for crossing a river or a strait; urban tunnels are called urban underground crossings to accommodate the need for railways to pass through large cities. The most established of the three types of tunnels is mountain tunnels. The construction process of the road tunnel mainly comprises the work of tunnel planning, survey, design, penetration control measurement, construction and the like. The tunnel surveying refers to the technical schemes of determining tunnel positions, construction methods, supporting and lining types and the like, and is performed on terrains and geological conditions in the tunnel land range, and hydrologic conditions such as groundwater distribution, water quantity and the like. The tunnel design comprises tunnel line selection, longitudinal section design, cross section design, auxiliary tunnel design and the like. Tunnel measurement is to ensure that the measured center line and elevation deviations at the tunnel penetration plane do not exceed specified limits.
The existing inverted arch inside the tunnel is repaired and the secondary lining is required to be reinforced by some steel structures, common steel frame steel plates are used for welding generally, required strength can be achieved through a large number of steel structures, material consumption is large, installation is not fast enough, and engineering progress is slow.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a tunnel inverted arch repairing secondary lining reinforcing structure and a construction method, which solve the problems that the required strength can be achieved only through a large number of steel structures, the material consumption is large, the installation is not quick, and the engineering progress is slow.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a secondary lining reinforced structure is restoreed to tunnel inverted arch, includes trapezoidal base, there is the main part pipe at the top of trapezoidal base through flange intercommunication, the equal fixedly connected with spacing of upper and lower both sides of main part intraductal wall, swing joint has the arc backup pad between the spacing, first strengthening groove has all been seted up to the front and back both sides of main part pipe, the equal fixedly connected with fixed ring board in both sides of main part pipe, the fixed ring board's fixed surface is connected with the connecting block, one side fixedly connected with connecting plate of connecting block, the top swing joint of connecting plate has the backup pad, the bottom swing joint of connecting plate has the lower backup pad, and goes up equal fixedly connected with support column between one side that backup pad and lower backup pad are relative, the one end fixedly connected with arc flange of support column, upward the backup pad is all seted up flutedly with one side that the backup pad kept away from each other down, go up through fastening bolt fixed connection between backup pad and the lower backup pad, and fastening bolt is located the inside of recess.
Preferably, the welding plates are fixedly connected to the surfaces of the upper support plate and the lower support plate and positioned outside the grooves.
Preferably, through holes matched with the fastening bolts are formed in the arc-shaped flange and the connecting plate, and screw holes are formed in the lower supporting plate.
Preferably, a pouring vent hole is formed in the middle of the top of the main body pipe, and a pouring riser is formed in the top of the trapezoid base.
Preferably, the second reinforcing grooves are fixedly connected to the two sides of the trapezoid base, and reinforcing ribs are fixedly connected between the upper side and the lower side of the inner wall of the trapezoid base.
Preferably, the top of trapezoidal base fixedly connected with fixed block, and one side of fixed block has seted up the breach with main part pipe looks adaptation.
Preferably, one side of the fixed block far away from the main body pipe is fixedly connected with a right-angle plate, and the inner surface of the right-angle plate is fixedly connected with a reinforcing plate.
The invention also discloses a construction method for repairing the secondary lining reinforcing structure of the tunnel inverted arch, which specifically comprises the following steps:
step one, selecting a trapezoid base with proper length according to the length of a tunnel, checking whether all workpieces are damaged, transporting all parts into the tunnel after checking, firstly digging pits matched with the trapezoid base and a right angle plate on two sides of the tunnel, inserting an arc-shaped supporting plate between limit strips in a main body pipe, inserting a fastening bolt into a groove on the surface of an upper supporting plate, enabling one end of the fastening bolt to pass through a connecting plate, then injecting cement into the groove on the surface of the supporting plate, and after the cement is solidified, welding the welding plate with the upper supporting plate to enable the welding plate to seal the groove.
Step two, after welding, erecting the main body pipe, enabling the upper supporting plate and the connecting plate to be located above the main body pipe, fixedly connecting the fixing block with the trapezoid base through bolts, namely, installing the rectangular plate on the trapezoid base, putting the rectangular plate and the trapezoid base into pits on two sides of a tunnel, fixedly connecting the connecting flange with the corresponding positions of the surface of the trapezoid base through bolts, and enabling the two trapezoid bases to be communicated with two ends of the main body pipe respectively until all the main body pipes are fixed on the trapezoid bases.
And thirdly, after the main body pipe is installed, the positions of the upper supporting plate and the connecting plate are adjusted, the connecting plate and the connecting block are welded, the main body pipe is connected with each other, then the lower supporting plate is erected, the bottom end of the fastening bolt penetrates through the lower supporting plate, then the fastening bolt is fastened by a nut, the lower supporting plate is connected with the connecting plate, and then the welding plate is welded with the lower supporting plate, so that the welding plate seals the groove.
And fourthly, after welding, filling cement into the trapezoid base by using high pressure through a pouring riser, gradually spreading the cement filled into the trapezoid base to the main body pipe until the main body pipe is filled, then filling the right angle plate and the trapezoid base with concrete, finally uniformly plastering the bottom of the lower support plate with cement, keeping screw holes exposed, and facilitating the installation of articles such as street lamps in later stage.
(III) beneficial effects
The invention provides a tunnel inverted arch repairing secondary lining reinforcing structure and a construction method. The beneficial effects are as follows:
(1) According to the tunnel inverted arch repairing secondary lining reinforcing structure and the construction method, the main body pipe is communicated with the top of the trapezoid base through the connecting flange, the fixing ring plates are fixedly connected to the two sides of the main body pipe, the connecting blocks are fixedly connected to the surfaces of the fixing ring plates, the connecting plates are fixedly connected to one sides of the connecting blocks, the upper supporting plates are movably connected to the tops of the connecting plates, the lower supporting plates are movably connected to the bottoms of the connecting plates, supporting columns are fixedly connected to the opposite sides of the upper supporting plates and the lower supporting plates, one ends of the supporting columns are fixedly connected with arc-shaped flanges, grooves are formed in the sides, away from each other, of the upper supporting plates and the lower supporting plates, the upper supporting plates are fixedly connected through fastening bolts, the trapezoid base and the main body pipe are matched, arch-shaped supports can be built in a tunnel, then the top soil layer can be supported, the upper soil layer can be blocked, the lower supporting plates can be prevented from falling, the smoothness of the tunnel after the tunnel building can be maintained, all devices are installed and fixed in a mode of being spliced on site, the tunnel construction is fast, and convenient to transport can be guaranteed, the safety of the tunnel can be guaranteed, and the required steel structure can be guaranteed, and the number of steel structures can be reduced through improving the safety.
(2) According to the tunnel inverted arch repairing secondary lining reinforcing structure and the construction method, limiting strips are fixedly connected to the upper side and the lower side of the inner wall of the main body pipe, an arc-shaped supporting plate is movably connected between the limiting strips, first reinforcing grooves are formed in the front side and the rear side of the main body pipe, second reinforcing grooves are fixedly connected to the two sides of the trapezoid base, reinforcing ribs are fixedly connected between the upper side and the lower side of the inner wall of the trapezoid base, the arc-shaped supporting plate is arranged, the main body pipe can be supported, the main body pipe is prevented from being pressed to collapse, namely the working strength and the use safety of the main body pipe are guaranteed, the reinforcing ribs have the same effect, the trapezoid base can be supported, the first reinforcing grooves and the second reinforcing grooves are arranged, the strength of the main body pipe and the side wall of the trapezoid base can be improved, and the pressure bearing capacity is improved.
(3) According to the tunnel inverted arch repairing secondary lining reinforcing structure and the construction method, the pouring vent hole is formed in the middle of the top of the main body pipe, the pouring riser is formed in the top of the trapezoid base, the pouring riser is arranged, concrete can be filled into the trapezoid base and the main body pipe after installation is finished, and air is discharged through the pouring vent hole in a matched mode, so that the inside of the trapezoid base and the inside of the main body pipe are compact, the strength can be further improved, larger soil layer pressure can be borne, and safety is guaranteed.
Drawings
FIG. 1 is a top view of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the upper and lower support plates of the present invention;
FIG. 4 is a cross-sectional view showing the internal structure of the main body tube of the present invention;
FIG. 5 is a top view of a partial structure of a fixed block and a right angle plate according to the present invention.
In the figure, a 1-trapezoid base, a 2-connecting flange, a 3-main pipe, a 4-limiting strip, a 5-arc-shaped supporting plate, a 6-first reinforcing groove, a 7-fixed annular plate, an 8-connecting block, a 9-connecting plate, a 10-upper supporting plate, a 11-lower supporting plate, a 12-supporting column, a 13-arc-shaped flange, a 14-groove, a 15-fastening bolt, a 16-welding plate, a 17-pouring riser, a 18-second reinforcing groove, a 19-reinforcing rib, a 20-fixed block, a 21-right angle plate, a 22-reinforcing plate, a 23-through hole, a 24-screw hole and a 25-pouring exhaust hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-5, the embodiment of the present invention provides a technical solution: the utility model provides a tunnel inverted arch repair secondary lining reinforced structure, including trapezoidal base 1, the equal fixedly connected with second stiffening groove 18 in both sides of trapezoidal base 1, second stiffening groove 18 is trapezoidal, can improve the intensity of trapezoidal base 1, fixedly connected with strengthening rib 19 between the upper and lower both sides of trapezoidal base 1 inner wall, set up arc backup pad 5, can support main body pipe 3, avoid main body pipe 3 to receive the pressure and collapse, the working strength and the safe in utilization of main body pipe 3 are guaranteed promptly, strengthening rib 19 plays the same effect, can support trapezoidal base 1, and set up first stiffening groove 6 and second stiffening groove 18, can improve the intensity of main body pipe 3 and trapezoidal base 1 lateral wall, improve the compressive capacity, strengthening rib 19 can support the pressure at trapezoidal base 1 top in trapezoidal base 1 inside, cooperate concrete, can avoid trapezoidal base 1 to collapse, the top fixedly connected with fixed block 20 of trapezoidal base 1, and one side of the fixed block 20 is provided with a notch matched with the main body pipe 3, one side of the fixed block 20 far away from the main body pipe 3 is fixedly connected with a rectangular plate 21, the rectangular plate 21 uses a metal plate which is obliquely arranged, the pressure of a received soil layer can be discharged to the outside to avoid the excessive pressure of a device structure, the inner surface of the rectangular plate 21 is fixedly connected with a reinforcing plate 22, the reinforcing plate 22 is used for supporting two sides of the rectangular plate 21, the top of the trapezoid base 1 is communicated with the main body pipe 3 through a connecting flange 2, the main body pipe 3 is round and arched, the bearing capacity is larger, the middle of the top of the main body pipe 3 is provided with a pouring exhaust hole 25, the pouring exhaust hole 25 is used for discharging air in the main body pipe 3 when pouring, the concrete is not tight enough to be filled, the top of the trapezoid base 1 is provided with a pouring riser 17, after the installation is finished, concrete can be filled into the trapezoid base 1 and the main body pipe 3, the air is discharged by matching with pouring exhaust holes 25, so that the inside of the trapezoid base 1 and the main body pipe 3 is compact, the strength can be further improved, the larger soil layer pressure can be borne, the safety is ensured, the limit strips 4 are fixedly connected to the upper side and the lower side of the inner wall of the main body pipe 3, the arc-shaped support plates 5 are movably connected between the limit strips 4, the arc-shaped support plates 5 are used for supporting the upper side and the lower side of the inner wall of the main body pipe 3, the main body pipe 3 is prevented from collapsing due to larger stress, the arc-shaped support plates 5 are separately arranged and are convenient to process, the front side and the rear side of the main body pipe 3 are provided with first reinforcing grooves 6, the strength of the main body pipe 3 can be improved, the two sides of the main body pipe 3 are fixedly connected with the fixed ring plates 7, the surfaces of the fixed ring plates 7 are fixedly connected with the connecting blocks 8, one side of the connecting blocks 8 is fixedly connected with the connecting plates 9, the top of the connecting plate 9 is movably connected with an upper supporting plate 10, the surfaces of the upper supporting plate 10 and the lower supporting plate 11 and the outside of the groove 14 are fixedly connected with a welding plate 16, after the welding plate 16 seals the groove 14, the surfaces of the upper supporting plate 10 and the lower supporting plate 11 can be kept smooth as much as possible, the bottom of the connecting plate 9 is movably connected with the lower supporting plate 11, a supporting column 12 is fixedly connected between one side of the upper supporting plate 10 opposite to the lower supporting plate 11, one end of the supporting column 12 is fixedly connected with an arc-shaped flange 13, through holes 23 matched with fastening bolts 15 are formed in the arc-shaped flange 13 and the inside of the connecting plate 9, screw holes 24 are formed in the inside of the lower supporting plate 11, the screw holes 24 are used for installing street lamps and the like at a later stage, grooves 14 are formed in one side of the upper supporting plate 10 and the lower supporting plate 11 which are far away from each other, the fastening bolts 15 are hexagon bolts, the groove 14 on the surface of the upper supporting plate 10 is internally provided with a hexagonal groove matched with the fastening bolt 15, the fastening bolt 15 is inserted into the hexagonal groove and then refilled with cement, the fastening bolt 15 can be prevented from being stressed to rotate, the upper supporting plate 10 and the lower supporting plate 11 are fixedly connected through the fastening bolt 15, the fastening bolt 15 is positioned in the groove 14, the trapezoidal base 1 and the main body pipe 3 are matched, arch supports can be built in a tunnel, further, the top soil layer of the tunnel can be supported, the upper soil layer can be blocked after the connecting plate 9 is connected with the upper supporting plate 10, soil is prevented from falling, the lower supporting plate 11 is arranged, the smoothness of the built tunnel can be maintained, all devices are installed and fixed in a field splicing mode, the construction is rapid, the transportation is convenient, meanwhile, the high supporting strength can be guaranteed, the safety of the tunnel is guaranteed, and the required steel structure quantity is reduced by improving the strength of the steel structure.
The invention also discloses a construction method for repairing the secondary lining reinforcing structure of the tunnel inverted arch, which specifically comprises the following steps:
step one, selecting a trapezoid base 1 with proper length according to the length of a tunnel, checking whether all workpieces are damaged, transporting all parts into the tunnel after checking, digging pits matched with the trapezoid base 1 and a right angle plate 21 on two sides of the tunnel, inserting an arc-shaped supporting plate 5 between limit strips 4 in a main body pipe 3, inserting a fastening bolt 15 into a groove 14 on the surface of an upper supporting plate 10, enabling one end of the fastening bolt 15 to pass through a connecting plate 9, injecting cement into the groove 14 on the surface of the upper supporting plate 10, and welding a welding plate 16 with the upper supporting plate 10 after the cement is solidified, so that the groove 14 is sealed by the welding plate 16.
Step two, after welding, the main body pipe 3 is erected, the upper supporting plate 10 and the connecting plate 9 are positioned above the main body pipe 3, the fixing block 20 is fixedly connected with the trapezoid base 1 through bolts, namely the right-angle plate 21 is arranged on the trapezoid base 1, the right-angle plate 21 and the trapezoid base 1 are placed into pits on two sides of a tunnel, the connecting flange 2 is fixedly connected with the corresponding positions of the surfaces of the trapezoid base 1 through bolts, and the two trapezoid bases 1 are respectively communicated with two ends of the main body pipe 3 until all the main body pipes 3 are fixed on the trapezoid base 1.
And thirdly, after the main body pipe 3 is installed, the positions of the upper supporting plate 10 and the connecting plate 9 are adjusted, the connecting plate 9 and the connecting block 8 are welded, the main body pipe 3 is connected with each other, then the lower supporting plate 11 is erected, the bottom ends of the fastening bolts 15 penetrate through the lower supporting plate 11, then the fastening bolts 15 are fastened by nuts, the lower supporting plate 11 is connected with the connecting plate 9, then the welding plate 16 and the lower supporting plate 11 are welded, and the groove 14 is sealed by the welding plate 16.
And fourthly, after welding, filling cement into the trapezoid base 1 by using high pressure through a pouring riser 17, gradually spreading the cement filled into the trapezoid base 1 into the main body pipe 3 until the main body pipe 3 is filled, then filling the right angle plate 21 and the trapezoid base 1 by using concrete, and finally uniformly plastering the bottom of the lower supporting plate 11 by using cement, keeping the screw holes 24 exposed, and facilitating the installation of articles such as street lamps in later period.
It is noted that 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. Moreover, 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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a secondary lining reinforced structure is restoreed to tunnel inverted arch, includes trapezoidal base (1), its characterized in that: the utility model discloses a trapezoidal base, including trapezoidal base (1), flange (2) are passed through at the top of trapezoidal base (1), the equal fixedly connected with limit strip (4) in upper and lower both sides of main body pipe (3) inner wall, swing joint has arc backup pad (5) between limit strip (4), first enhancement groove (6) are all seted up to the front and back both sides of main body pipe (3), the equal fixedly connected with fixed ring board (7) in both sides of main body pipe (3), the fixedly connected with connecting block (8) of fixed ring board (7), one side fixedly connected with connecting plate (9) of connecting block (8), the top swing joint of connecting plate (9) has backup pad (10), the bottom swing joint of connecting plate (9) has backup pad (11) down, and goes up equal fixedly connected with support column (12) between one side that backup pad (10) are relative with backup pad (11) down, the one side that goes up backup pad (10) and backup pad (11) keep away from each other is all seted up recess (14), go up backup pad (10) and be located inside fastening bolt (15) through fastening bolt 15 between backup pad (11) and the inside.
2. The tunnel inverted arch repair secondary lining reinforcing structure according to claim 1, wherein: the welding plates (16) are fixedly connected to the surfaces of the upper support plate (10) and the lower support plate (11) and are positioned outside the grooves (14).
3. The tunnel inverted arch repair secondary lining reinforcing structure according to claim 1, wherein: the arc-shaped flange (13) and the connecting plate (9) are internally provided with through holes (23) which are matched with the fastening bolts (15), and the lower supporting plate (11) is internally provided with screw holes (24).
4. The tunnel inverted arch repair secondary lining reinforcing structure according to claim 1, wherein: pouring exhaust holes (25) are formed in the middle of the top of the main body pipe (3), and pouring risers (17) are formed in the top of the trapezoid base (1).
5. The tunnel inverted arch repair secondary lining reinforcing structure according to claim 1, wherein: the two sides of the trapezoid base (1) are fixedly connected with second reinforcing grooves (18), and reinforcing ribs (19) are fixedly connected between the upper side and the lower side of the inner wall of the trapezoid base (1).
6. The tunnel inverted arch repair secondary lining reinforcing structure according to claim 1, wherein: the top of trapezoidal base (1) fixedly connected with fixed block (20), and the breach with main part pipe (3) looks adaptation has been seted up to one side of fixed block (20).
7. The tunnel inverted arch repair secondary lining reinforcing structure according to claim 6, wherein: one side of the fixed block (20) far away from the main body pipe (3) is fixedly connected with a right angle plate (21), and the inner surface of the right angle plate (21) is fixedly connected with a reinforcing plate (22).
8. The construction method for repairing a secondary lining reinforcing structure of a tunnel inverted arch according to claim 1, wherein the construction method comprises the following steps: the method specifically comprises the following steps:
firstly, selecting a trapezoid base (1) with proper length according to the length of a tunnel, checking whether all workpieces are damaged or not, transporting all parts into the tunnel after checking, digging pits matched with the trapezoid base (1) and a rectangular plate (21) on two sides of the tunnel, inserting an arc-shaped supporting plate (5) between limit strips (4) in a main body pipe (3), inserting a fastening bolt (15) into a groove (14) on the surface of an upper supporting plate (10), enabling one end of the fastening bolt (15) to penetrate through a connecting plate (9), then injecting cement into the groove (14) on the surface of the upper supporting plate (10), and welding a welding plate (16) with the upper supporting plate (10) after the cement is solidified, so that the welding plate (16) seals the groove (14);
step two, after welding, erecting the main body pipe (3), enabling the upper supporting plate (10) and the connecting plate (9) to be located above the main body pipe (3), fixedly connecting the fixing block (20) with the trapezoid base (1) through bolts, namely, installing the right angle plate (21) on the trapezoid base (1), putting the right angle plate (21) and the trapezoid base (1) into pits on two sides of a tunnel, fixedly connecting the connecting flange (2) with the corresponding positions of the surfaces of the trapezoid base (1) through bolts, and enabling the two trapezoid bases (1) to be respectively communicated with two ends of the main body pipe (3) until all the main body pipe (3) is fixed on the trapezoid base (1);
after the main body pipe (3) is installed, the positions of the upper supporting plate (10) and the connecting plate (9) are adjusted, the connecting plate (9) and the connecting block (8) are welded, the main body pipe (3) is connected with each other, then the lower supporting plate (11) is erected, the bottom ends of the fastening bolts (15) penetrate through the lower supporting plate (11), then the fastening bolts (15) are fastened by nuts, the lower supporting plate (11) is connected with the connecting plate (9), then the welding plate (16) and the lower supporting plate (11) are welded, and the groove (14) is sealed by the welding plate (16);
and step four, after welding, filling cement into the trapezoid base (1) by using high pressure through a pouring riser (17), gradually spreading the trapezoid base (1) into the main body pipe (3) until the main body pipe (3) is filled, then filling the right angle plate (21) and the trapezoid base (1) with concrete, finally uniformly plastering the bottom of the lower support plate (11) with cement, keeping the screw holes (24) exposed, and facilitating the installation of road lamp objects in the later period.
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CN112065459A (en) * | 2020-09-08 | 2020-12-11 | 中建钢构天津有限公司 | Novel steel skeleton structure retaining wall structure of tunnel, retaining wall system and construction method |
CN112983541B (en) * | 2021-04-01 | 2022-08-09 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Repair and treatment method suitable for deep tunnel inverted arch damage |
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JP2008267118A (en) * | 2007-03-29 | 2008-11-06 | Nippon Steel Corp | Segment-connecting structure |
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CN206503601U (en) * | 2017-01-11 | 2017-09-19 | 广东工业大学 | Border on the sea high hydraulic pressure tunnel individual layer steel plate concrete composite lining structure |
CN208203304U (en) * | 2018-05-23 | 2018-12-07 | 新疆北方建设集团有限公司 | A kind of tunnel inverted arch reparation secondary lining ruggedized construction |
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2018
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JP2008267118A (en) * | 2007-03-29 | 2008-11-06 | Nippon Steel Corp | Segment-connecting structure |
CN204200247U (en) * | 2014-11-03 | 2015-03-11 | 中铁七局集团第三工程有限公司 | Tunnel Second Lining steel bar positioning frame |
CN205025475U (en) * | 2015-09-18 | 2016-02-10 | 南京联众建设工程技术有限公司 | Steel - concrete combined type tunnel lining supporting construction |
CN205823305U (en) * | 2016-06-13 | 2016-12-21 | 中铁五局集团有限公司 | A kind of mounting structure reinforced for large section tunnel arch wall lining cutting reinforcing bar location |
CN106437781A (en) * | 2016-10-25 | 2017-02-22 | 中铁第四勘察设计院集团有限公司 | Upper-soft lower-hard stratum tunnel supporting structure and construction method thereof |
CN206503601U (en) * | 2017-01-11 | 2017-09-19 | 广东工业大学 | Border on the sea high hydraulic pressure tunnel individual layer steel plate concrete composite lining structure |
CN208203304U (en) * | 2018-05-23 | 2018-12-07 | 新疆北方建设集团有限公司 | A kind of tunnel inverted arch reparation secondary lining ruggedized construction |
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