CN110080801A - The repairing structure and its construction method of a kind of tunnel breakage section of jurisdiction - Google Patents
The repairing structure and its construction method of a kind of tunnel breakage section of jurisdiction Download PDFInfo
- Publication number
- CN110080801A CN110080801A CN201910463278.5A CN201910463278A CN110080801A CN 110080801 A CN110080801 A CN 110080801A CN 201910463278 A CN201910463278 A CN 201910463278A CN 110080801 A CN110080801 A CN 110080801A
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- jurisdiction
- section
- breaking point
- tunnel
- plugging plate
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- 230000002940 repellent Effects 0.000 claims abstract description 12
- 239000005871 repellent Substances 0.000 claims abstract description 12
- 238000009412 basement excavation Methods 0.000 claims abstract description 9
- 238000007569 slipcasting Methods 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- 230000002787 reinforcement Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 4
- 238000005304 joining Methods 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
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- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000003973 paint Substances 0.000 description 2
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- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
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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
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- 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
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil 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 kind of repairing structure of tunnel breakage section of jurisdiction and its construction methods, and repairing structure includes inside repairing structure and outside repairing structure；It includes stiffener assembly and permanent plugging plate that structure is repaired in inside；Stiffener assembly is fixed on the inside of section of jurisdiction around breaking point, and the first waterproof filled layer is additionally provided between stiffener assembly and section of jurisdiction, and corresponding first waterproof filled layer is equipped with injected hole on stiffener assembly；Permanent plugging plate corresponds to breaking point setting and blocks breaking point；Outside repairing structure includes pouring cage and several joint bars, pours cage and is fixed on the outside of breaking point and blocks breaking point；Breaking point is inserted into one end of joint bar, and other end insertion pours cage, pours cage, joint bar and breaking point and pours fixed formed and pours building body；The outer surface for pouring building body is additionally provided with water repellent component；Method includes installation stiffener assembly；Slip casting blocks；Earth excavation；Permanent plugging plate is installed；Outside pouring molding；Construction waterproof component.Repairing structural strength of the invention is high, and waterproof performance is good, highly-safe.
Description
Technical field
The invention belongs to tunnel duct piece recovery technique fields, and in particular to a kind of repairing structure of tunnel breakage section of jurisdiction and its
Construction method.
Background technique
As a city track traffic engineering new round is built, the subway transportation transport network to extend in all direction has been constructed for city,
While bringing convenient trip further for citizen, the scale and difficulty of operation are increased, tunnel duct piece is by external environment operation
Infringement is difficult to avoid that.
Such as some engineer operations of earth's surface cause the tunnel duct piece of underground impaired, borer drill rod or impact suffered by tunnel duct piece
It is through and through wound that hammer, which destroys, by surface of a wound branch above tunnel horizontal center line 180 ° of range any positions, cause structure broken
Damage range and situation most serious region, which are located on the outside of section of jurisdiction, meets native face, and side back soil face wound area is often only outside in section of jurisdiction
1/3~1/2.
Processing method in tunnel substantially by carrying out at present, processing sequence are as follows: cuts the coagulation that breakage does not fall or cracks
Native fragment；Dregs dust is removed with pressure cleaning water at fragmentation surface；Segment damage range is measured, reinforced mesh is made；Pipe
Piece steel planting, assembling reinforcement mesh sheet；It is pasted using cement mortar floating；Steel plate is reinforced in installation.
But due to the buried underground in tunnel, and it is limited by the influence of the external factor such as place, existing pipeline, traffic, often to pipe
Meeting native face on the outside of piece can not be handled, but often not have section of jurisdiction outer surface treatment conditions in tunnel, lead to damaged model on the outside of section of jurisdiction
It encloses and is exposed within the scope of the soil body, influenced by sulfate ion, Chloride Attack in the soil body and underground water, over time tunnel segment structure
There are security risks for durability and stress.
Tunnel duct piece is bending stress component, and reinforcing bar and coagulation earth cooperation are held moment of flexure and shearing.Since breakage is original
After structural concrete peels off, though being used as reinforcement measure after smoothing out using reinforced mesh and cement mortar filling, cement mortar is strong
Degree, compactness, viscosity, durability etc. are often unable to reach original section of jurisdiction form concrete intensity (strength grade C50), and examine
Consider Influence to operation, dynamic load is larger, and chip off-falling again easily occurs during long-term operation, causes safely to the train for having opened operation
Greater risk.
Therefore, it is necessary to a kind of new technologies, and to solve in the prior art, to the damaged reparation of segment inside tunnel, there are relatively strong winds
The problem of danger.
Summary of the invention
To solve the above problem in the prior art, the present invention provides a kind of repairing structure of tunnel breakage section of jurisdiction and its
Construction method, structural strength is high after repairing, and waterproof performance is good, highly-safe.
The invention adopts the following technical scheme:
Structure is repaired in a kind of repairing structure of tunnel breakage section of jurisdiction, including inside repairing structure and outside, and the inside is repaired
It mends structure and the inner side and outer side that structure is separately fixed at the breaking point of section of jurisdiction is repaired in outside；
The inside repairing structure includes stiffener assembly and permanent plugging plate；The stiffener assembly is around the damaged solid point
It is scheduled on the inside of the section of jurisdiction, the first waterproof filled layer, the reinforcement group are additionally provided between the stiffener assembly and the section of jurisdiction
The first waterproof filled layer is corresponded on part equipped with injected hole；The permanent plugging plate is arc-shaped and section of jurisdiction phase with the tunnel
It adapts to, the permanent plugging plate corresponds to the breaking point setting and blocks breaking point, the permanent plugging plate and the reinforcement group
Part is fixedly connected；
The outside repairing structure includes pouring cage and several joint bars, the outside for pouring cage and being fixed on the breaking point
And the breaking point is blocked；The breaking point is inserted into one end of the joint bar, pours cage described in other end insertion, described to pour
Cage, joint bar and breaking point pour fixed formed and pour building body；The outer surface for pouring building body is additionally provided with water repellent component.
It is further used as the improvement of technical solution of the present invention, and the stiffener assembly includes circumferential reinforcer and axial reinforcement
Part；
The circumferential direction reinforcer is arranged circumferentially along the tunnel, and the circumferential direction reinforcer is bonded fixation, institute with the section of jurisdiction
It states circumferential reinforcer and is equipped with the first notch being adapted with the permanent plugging plate, the circumferential direction reinforcer and the permanent closure
Plate is fixedly connected in first indentation, there；
The axial direction reinforcer is axially arranged along the tunnel, the axial direction reinforcer be fixed on the section of jurisdiction and with institute
It states inner wall to be adapted, the axial direction reinforcer is equipped with the second notch being adapted with the permanent plugging plate, described axially to reinforce
Part is fixedly connected with the permanent plugging plate in second indentation, there.
It is further used as the improvement of technical solution of the present invention, and the circumferential direction reinforcer is in major arc type, the circumferential reinforcement
The both ends of part pass through steel corbel respectively and are fixedly connected with the railway roadbed two sides in the tunnel.
It is further used as the improvement of technical solution of the present invention, and the steel corbel is equipped with groove, is equipped in the groove several
Interlaced floor is additionally provided with the drainage hole being connected to the groove on steel corbel.
It is further used as the improvement of technical solution of the present invention, and the circumferential direction reinforcer includes several reinforced sheets, several described
Reinforced sheet is successively arranged circumferentially along the tunnel, and bolt is fixedly connected with or passed through by groove welding between two adjacent reinforced sheets
It is fixedly connected.
It is further used as the improvement of technical solution of the present invention, and the water repellent component includes being arranged in described to pour body surface face
Waterproof coating pours the sealing rod and pour in the waterproof coating outer surface that building body is arranged with the section of jurisdiction joining place around described
Build molding concrete cover.
It is further used as the improvement of technical solution of the present invention, and the waterproof coating is polyurethane water-proof coating.
The construction method of the repairing structure of tunnel breakage section of jurisdiction, comprising the following steps:
S10. first the filleting of the section of jurisdiction around the breaking point is blocked using the second waterproof filled layer, then institute is installed
Stiffener assembly is stated, the stiffener assembly is fixedly connected with the section of jurisdiction；
S20. by the injected hole of stiffener assembly to carrying out waterproof material slip casting between the stiffener assembly and the section of jurisdiction,
Form the first waterproof filled layer；
S30. drilling machine is circled round from ground excavation using all steel casing entirely, is converted when steel sleeve is apart from section of jurisdiction 1~2m of outer wall
Hand excavation is to the exposure breaking point；
S40. permanent plugging plate is installed in the inside of breaking point to block the breaking point, permanent plugging plate is added with described
Strong component is connected and fixed；
S50. interfacial agents are smeared on surface at the breaking point, then install it is described pour cage and the joint bar, and by institute
It states to pour cage, joint bar and breaking point and pour to be formed and described pours building body；
S60. the water repellent component described in the appearance surface construction for pouring building body.
It is further used as the improvement of technical solution of the present invention, in the S10, the interim envelope of first construction before carrying out filleting and blocking
Blocking component, the temporary plugging component include temporary plugging plate and third waterproof filled layer；The temporary plugging plate is fixed on brokenly
Damage point inside blocks breaking point, and the temporary plugging plate is arc-shaped to be adapted with the section of jurisdiction；The third waterproof filled layer
It is filled between the section of jurisdiction and the gap of the temporary plugging plate；
Between the S30 and S40, be additionally provided with S31, remove the temporary plugging component, and to the breaking point inside and outside
It is cleaned and is dried in side.
It is further used as the improvement of technical solution of the present invention, the second waterproof filled layer/third waterproof filled layer material
Matter is cement base epoxy.
Compared with prior art, the invention has the benefit that
The repairing structure of tunnel breakage section of jurisdiction of the invention, by permanent plugging plate to being blocked on the inside of breaking point,
And reinforce the connection of permanent plugging plate and tunnel duct piece using stiffener assembly, form whole, cooperative bearing；Again by pour cage,
Joint bar carries out pouring closure on the outside of breaking point, inside and outside waterproof is carried out by the first waterproof layer and water repellent component respectively,
Waterproof is taken into account on the basis of guaranteeing its structural strength, it is whole impervious to improve at breaking point outside in section of jurisdiction；
In construction method of the invention, using all steel casing circle round full drilling machine cooperation hand excavation, compared with traditional vertical shaft spray
Anchor supporting hand excavation's mode, impermeability, safety, efficiency of the practice, which have, to be greatly improved, particularly with layer of sand or Muddy Bottoms
The poor stratas such as soil layer, safety is more secure, and the configuration of the present invention is simple, easy for construction, construction deviation is adaptable, uses spirit
It is living.
Detailed description of the invention
Technology of the invention is described in further detail with reference to the accompanying drawings and detailed description:
Fig. 1 is overall structure diagram；
Fig. 2 is the schematic diagram that structure is repaired in inside and structure is repaired in outside；
Fig. 3 is that the planar development schematic diagram after structure installs is repaired in inside in tunnel；
Fig. 4 is the diagrammatic cross-section of circumferential reinforcer, the first waterproof filled layer and section of jurisdiction；
Fig. 5 is the floor map of steel corbel；
Fig. 6 is the diagrammatic cross-section in Fig. 5 along A-A；
Fig. 7 is that two neighboring reinforced sheet passes through groove welding connection schematic diagram；
Fig. 8 is the schematic diagram that two neighboring reinforced sheet is bolted；
Fig. 9 is that temporary plugging component is mounted on the schematic diagram at breaking point.
Appended drawing reference:
Structure is repaired on the inside of 1-；11- stiffener assembly；111- circumferential direction reinforcer；1111- reinforced sheet；The first notch of 1112-；
112- axial direction reinforcer, the second notch of 1121-；113- steel corbel；1131- groove；1132- floor；1133- drainage hole；
The permanent plugging plate of 12-；13- the first waterproof filled layer；
Structure is repaired on the outside of 2-；21- pours cage；22- joint bar；23- water repellent component；231- sealing rod；232- concrete is protected
Sheath；233- waterproof coating；
The section of jurisdiction 3-；31- breaking point；
4- railway roadbed；
5- temporary plugging component；51- temporary plugging plate；52- third waterproof filled layer；53- channel steel.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu, complete description, to be completely understood by the purpose of the present invention, scheme and effect.It should be noted that the case where not conflicting
Under, the features in the embodiments and the embodiments of the present application can be combined with each other.The identical attached drawing mark used everywhere in attached drawing
Note indicates the same or similar part.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as upper and lower, left and right used in invention are only the mutual alignment pass relative to each component part of the present invention in attached drawing
For system.
Referring to figs. 1 to Fig. 8, a kind of repairing structure of tunnel breakage section of jurisdiction, including inside repairing structure 1 and outside repairing knot
Structure 2, the inside repairing structure 1 and outside repairing structure 2 are separately fixed at the inner side and outer side of the breaking point 31 of section of jurisdiction 3.
Wherein, as shown in figures 1 and 3, the inside repairing structure 1 includes stiffener assembly 11 and permanent plugging plate 12.
The stiffener assembly 11 is fixed on the inside of the section of jurisdiction 3 around the breaking point 31 by multiple bolts, guarantees
The stability that stiffener assembly 11 is connect with section of jurisdiction 3.
As shown in figure 4, the first waterproof filled layer 13 is additionally provided between the stiffener assembly 11 and the section of jurisdiction 3, it is described to add
The first waterproof filled layer 13 is corresponded on strong component 11 equipped with injected hole.Wherein, the first waterproof filled layer 13 uses asphalt mixtures modified by epoxy resin
Rouge is formed by the injected hole pressure injection.
The permanent plugging plate 12 is arc-shaped and is adapted with the section of jurisdiction in the tunnel 3, and the permanent plugging plate 12 is corresponding
The setting of breaking point 31 blocks breaking point 31, the fixed company in edge of the permanent plugging plate 12 and the stiffener assembly 11
It connects, guarantees the bonding strength of permanent plugging plate 12 and stiffener assembly 11.
Specifically, as shown in figure 3, the stiffener assembly 11 includes circumferential reinforcer 111 and axial reinforcer 112, this reality
It applies in example, circumferential reinforcer 111 is equipped with two groups, and front and back is arranged side by side.
The circumferential direction reinforcer 111 is arranged circumferentially along the tunnel, and the circumferential direction reinforcer 111 is affixed with the section of jurisdiction 3
More bolts of merga pass are fixed to each other, and the circumferential direction reinforcer 111 is equipped with first be adapted with the permanent plugging plate 12
Notch 1112, the circumferential direction reinforcer 111 pass through groove solid welding with the permanent plugging plate 12 at first notch 1112
It is bolted to connection after fixed connection or bending.
After circumferential reinforcer 111 is connected with permanent plugging plate 12, formed an arch adaptable with tunnel and with
3 phase of tunnel duct piece is fixed, and whole force structure is formed.
Such as Fig. 1 and Fig. 3, the circumferential direction reinforcer 111 is in major arc type, and for the ease of installation, circumferential reinforcer 111, which divides, is
Several reinforced sheets 1111, several reinforced sheets 1111 are successively arranged circumferentially along the tunnel, two adjacent reinforced sheets 1111
Between be fixedly connected by groove welding, as shown in Figure 7；Or be bolted after adjacent two reinforced sheets 1111 bending, such as
Fig. 8.The both ends of the circumferential direction reinforcer 111 pass through steel corbel 113 respectively and are fixedly connected with 4 two sides of railway roadbed in the tunnel.
Such as Fig. 1, Fig. 5 and Fig. 6, the steel corbel 113 is equipped with groove 1131, is equipped with several mutual friendships in the groove 1131
Wrong floor 1132 is additionally provided with the drainage hole 1133 being connected to the groove 1131 on steel corbel 113.
Such as Fig. 3, the axial direction reinforcer 112 is axially arranged along the tunnel, perpendicular with circumferential reinforcer 111.It is described
Axial reinforcer 112 is fixed on the section of jurisdiction 3 by more bolts, and the shape and the inner wall phase of axial reinforcer 112
It adapts to.The axial direction reinforcer 112 is equipped with the second notch 1121 being adapted with the permanent plugging plate 12, the axial reinforcement
Part 112 passes through spiral shell after being fixedly connected or bend also by groove welding at second notch 1121 with the permanent plugging plate 12
Bolt is fixedly connected.After axial reinforcer 112 is connected with permanent plugging plate 12, forms a strip along tunnel axial direction and add
Strong structure.The purpose that stiffener assembly 11 is installed on the inside of section of jurisdiction 3 is to improve stress at breaking point 31, and enhancing structure rigidity makes
Section of jurisdiction 3 and 11 cooperative bearing of stiffener assembly improve structure bending resistance, shear behavior.
It should be noted that circumferential reinforcer 111, axial reinforcer 112, steel corbel 113 use Q345B galvanized steel,
Permanent plugging plate 12 is galvanized steel plain sheet.The bolt respectively connected uses galvanized bolt.
Wherein, the outside repairing structure 2 includes pouring cage 21 and several joint bars 22.
It such as Fig. 1 and Fig. 2, pours cage 21 and is equipped with the double-deck steel bar stress, the length for pouring cage 21 need to be greater than the broken of tunnel duct piece 3
31 edges of damage point, to block breaking point 31 completely.The cage 21 that pours is fixed on the outside of the breaking point 31 and by institute
State the closure of breaking point 31；The breaking point 31 is inserted into one end of the joint bar 22, cage 21 is poured described in other end insertion, by inserting
Muscle 22 realizes the positioning to cage 21 is poured.It is described pour cage 21, joint bar 22 and breaking point 31 and pour fixed formed pour building body；It is described
The outer surface for pouring building body is additionally provided with water repellent component 23.
Specifically, the water repellent component 23 includes that the waterproof coating 233 for pouring body surface face is arranged in, pours around described
The sealing rod 231 that building body and 3 joining place of section of jurisdiction are arranged and the coagulation in the 233 outer surface pouring molding of waterproof coating
Protective soil layer 232.Wherein, sealing rod 231 is hydroexpansivity sealing rod, and the waterproof coating 233 is polyurethane water-proof coating.
Structure 2 is repaired based on above-mentioned inside repairing structure 1 and outside, circumferential reinforcer 111, axial reinforcer 112 will
Permanent plugging plate 12 is fastened on 3 inside of section of jurisdiction of tunnel breaking point 31, ensure that the whole stress of tunnel duct piece 3, and
And waterproof is carried out by the first waterproof filled layer 13, enhance impermeability；Structure 2 is repaired by outside, is realized to breaking point
31 filling, the closure in outside and waterproof；Realize the comprehensive repairing and reinforcement to outside in breaking point 31.
The present invention also provides the construction methods of the repairing structure of tunnel breakage section of jurisdiction, comprising the following steps:
S10. it first constructs temporary plugging component 5, influences the installation of repairing structure to prevent from occurring after breakage leak, it is described to face
When blocking component 5 include temporary plugging plate 51 and third waterproof filled layer 52；The temporary plugging plate 51 is fixed on breaking point 31
Inside blocks breaking point 31, and the third waterproof filled layer 52 is filled in the seam of the section of jurisdiction 3 and the temporary plugging plate 51
Between gap.
Wherein, temporary plugging plate 51 is fixed by channel steel 53 and tunnel duct piece 3, the outside of temporary plugging plate 51 and channel steel 53
It is welded and fixed, and then axial setting is simultaneously bolted to connection with section of jurisdiction 3 channel steel 53.The temporary plugging plate 51 it is arc-shaped with
The section of jurisdiction 3 is adapted, and material is Q345B galvanized steel, and size is greater than the size of breaking point 31 so that breaking point 31 is complete
It is complete to block.The installation of blocking component is to cause tunnel circumferential because of 3 structural failure of section of jurisdiction, bolt failure in order to prevent and radial change
Shape, unstability etc., while preventing the soil body and underground water on the outside of tunnel from coming down in torrents in tunnel.
After installing temporary plugging component 5, using the second waterproof filled layer to the embedding of the section of jurisdiction 3 around the breaking point 31
Seam is blocked, and prevents subsequent slip casting from leaking when forming the first waterproof filled layer 13, then install the stiffener assembly 11, will
The stiffener assembly 11 is fixedly connected with the section of jurisdiction 3；First installation fixed circumferential reinforcer 111 when installation, then axial add, is installed
Strong part 112；When circumferential reinforcer 111 is connected with axial reinforcer 112 using groove welding, it is anti-that commissure needs to smear epoxy zinc-rich
Rust paint, prevents weld seam oxidation and rusting in subsequent use process.Wherein, the second waterproof filled layer and third waterproof filled layer 52
Material be cement base epoxy.
S20. waterproof material is carried out between the stiffener assembly 11 and the section of jurisdiction 3 by the injected hole of stiffener assembly 11
Slip casting forms the first waterproof filled layer 13, as the waterproof layer of inside, enhances impermeability, after installing as shown in Figure 9.
S30. the top progress place of 3 breaking point 31 of section of jurisdiction, which is enclosed, covers, is smooth, being compacted and being laid with load-bearing steel plate, and uses people
Work carries out location of the core, circles round drilling machine entirely from ground excavation, after steel sleeve revolution is sunk, using mechanical gripping using all steel casing
Bucket removes the earthwork in steel sleeve, and when steel sleeve is apart from 3 outer wall vertical 1~2m of clear distance of section of jurisdiction, conversion hand excavation is to completely cruelly
In the case of exposing breaking point 31 ensures to control 3 overall deformation of tunnel duct piece, steel sleeve gradually sinks until when 0.3m is pushed up in section of jurisdiction 3
Stop, 3 top of section of jurisdiction is excavated to using artificial mark spraying anchor to the small range for not having steel bushing protection of pipe, interface seepage place is used
Ejection for water plugging；Preferably, convert hand excavation when steel sleeve is apart from 3 outer wall vertical clear distance 1.5m of section of jurisdiction.
S31. the temporary plugging component 5 is removed, and the interior outside of the breaking point 31 is cleaned and dried, i.e., will
Temporary plugging plate 51, channel steel 53 and third waterproof filled layer 52 are all removed, and convenient for the permanent plugging plate 12 of subsequent installation and are carried out
It pours.
S40. permanent plugging plate 12 is installed in the inside of breaking point 31 to block the breaking point 31, by permanent plugging plate 12
It is connected and fixed with the stiffener assembly 11, when being attached according to groove welding, commissure needs to smear epoxy zinc-enriched antirust paint.
S50. interfacial agents are smeared on surface at the breaking point 31, then install it is described pour cage 21 and the joint bar 22,
And by it is described pour cage 21, joint bar 22 and breaking point 31 and pour to be formed described pour building body；
S60. after building body to be poured reaches design strength, the water repellent component 23 described in the appearance surface construction for pouring building body, i.e.,
Polyurethane water-proof coating 233 is smeared on the surface for pouring building body, and building body and the closely connected hydroexpansivity sealing rod of 3 joining place of section of jurisdiction are poured in edge
231, then be laid with geotextiles on its outer surface and fixed with rivet and pour 100mm thickness C20 pea gravel concreten protective layer 232, shape
At complete water-proof system.
By above-mentioned construction method, by the repairing structure construction of tunnel breakage section of jurisdiction of the invention by tunnel duct piece 3
Breaking point 31 is repaired, and construction method is safe, simple, and the structure stress effect after construction is preferable, and waterproof performance is good.
Other contents of the repairing structure of tunnel breakage of the present invention section of jurisdiction and its construction method referring to the prior art,
Details are not described herein.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, therefore
Without departing from the technical solutions of the present invention, according to the technical essence of the invention it is to the above embodiments it is any modification,
Equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of repairing structure of tunnel breakage section of jurisdiction, it is characterised in that: repair structure including inside and structure, institute are repaired in outside
It states inside repairing structure and the inner side and outer side that structure is separately fixed at the breaking point of section of jurisdiction is repaired in outside；
The inside repairing structure includes stiffener assembly and permanent plugging plate；The stiffener assembly is fixed on around the breaking point
The inside of the section of jurisdiction, is additionally provided with the first waterproof filled layer between the stiffener assembly and the section of jurisdiction, on the stiffener assembly
The corresponding first waterproof filled layer is equipped with injected hole；The permanent plugging plate is arc-shaped and mutually fits with the section of jurisdiction in the tunnel
It answers, the permanent plugging plate corresponds to the breaking point setting and blocks breaking point, the permanent plugging plate and the stiffener assembly
It is fixedly connected；
The outside repairing structure includes pouring cage and several joint bars, and the cage that pours is fixed on the outside of the breaking point and incites somebody to action
The breaking point blocks；The breaking point is inserted into one end of the joint bar, pours cage described in other end insertion, it is described pour cage,
Joint bar and breaking point pour fixed formed and pour building body；The outer surface for pouring building body is additionally provided with water repellent component.
2. the repairing structure of tunnel breakage according to claim 1 section of jurisdiction, it is characterised in that: the stiffener assembly includes ring
To reinforcer and axial reinforcer；
The circumferential direction reinforcer is arranged circumferentially along the tunnel, and the circumferential direction reinforcer is bonded fixation, the ring with the section of jurisdiction
The first notch being adapted with the permanent plugging plate is equipped with to reinforcer, the circumferential direction reinforcer and the permanent plugging plate exist
First indentation, there is fixedly connected；
The axial direction reinforcer is axially arranged along the tunnel, the axial direction reinforcer be fixed on the section of jurisdiction and with it is described interior
Wall be adapted, it is described axial direction reinforcer be equipped with the permanent plugging plate be adapted the second notch, it is described axial direction reinforcer with
The permanent plugging plate is fixedly connected in second indentation, there.
3. the repairing structure of tunnel breakage according to claim 2 section of jurisdiction, it is characterised in that: the circumferential direction reinforcer is in
Major arc type, the both ends of the circumferential direction reinforcer pass through steel corbel respectively and are fixedly connected with the railway roadbed two sides in the tunnel.
4. the repairing structure of tunnel breakage according to claim 3 section of jurisdiction, it is characterised in that: the steel corbel is equipped with recessed
Slot, the groove is interior to be equipped with several interlaced floors, is additionally provided with the drainage hole being connected to the groove on steel corbel.
5. the repairing structure of tunnel breakage according to claim 2 section of jurisdiction, it is characterised in that: it is described circumferential direction reinforcer include
Several reinforced sheets, several reinforced sheets are successively arranged circumferentially along the tunnel, pass through groove between two adjacent reinforced sheets
Weldering is fixedly connected or is bolted to connection.
6. the repairing structure of tunnel breakage according to claim 1 section of jurisdiction, it is characterised in that: the water repellent component includes setting
Set the waterproof coating for pouring body surface face, around the sealing rod for pouring building body and section of jurisdiction joining place setting and
The concrete cover of waterproof coating outer surface pouring molding.
7. the repairing structure of tunnel breakage according to claim 6 section of jurisdiction, it is characterised in that: the waterproof coating is poly- ammonia
Ester waterproof coating.
8. the construction method of the repairing structure of tunnel breakage according to any one of claim 1 to 7 section of jurisdiction, feature exist
In, comprising the following steps:
S10. first the filleting of the section of jurisdiction around the breaking point is blocked using the second waterproof filled layer, then described add is installed
The stiffener assembly is fixedly connected by strong component with the section of jurisdiction；
S20. it is formed by the injected hole of stiffener assembly to waterproof material slip casting is carried out between the stiffener assembly and the section of jurisdiction
First waterproof filled layer；
S30. drilling machine is circled round from ground excavation using all steel casing entirely, is converted when steel sleeve is apart from section of jurisdiction 1~2m of outer wall artificial
It is excavated to the exposure breaking point；
S40. permanent plugging plate is installed in the inside of breaking point to block the breaking point, by permanent plugging plate and the reinforcement group
Part is connected and fixed；
S50. interfacial agents are smeared on surface at the breaking point, then install it is described pour cage and the joint bar, and poured described
It builds cage, joint bar and breaking point and pours to be formed and described pour building body；
S60. the water repellent component described in the appearance surface construction for pouring building body.
9. the construction method of the repairing structure of tunnel breakage according to claim 8 section of jurisdiction, it is characterised in that:
In the S10, temporary plugging component of first constructing before carrying out filleting and blocking, the temporary plugging component includes temporary plugging
Plate and third waterproof filled layer；The temporary plugging plate is fixed on the inside of breaking point and blocks breaking point, the temporary plugging plate
It is arc-shaped to be adapted with the section of jurisdiction；The third waterproof filled layer is filled in the gap of the section of jurisdiction Yu the temporary plugging plate
Between；
Between the S30 and S40, be additionally provided with S31, remove the temporary plugging component, and to the interior outside of the breaking point into
Row cleaning and drying.
10. the construction method of the repairing structure of tunnel breakage according to claim 9 section of jurisdiction, it is characterised in that: described
Two waterproof filled layers/third waterproof filled layer material is cement base epoxy.
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| CN201910463278.5A CN110080801B (en) | 2019-05-30 | 2019-05-30 | Repair structure of damaged tunnel segment and construction method thereof |
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| CN201910463278.5A CN110080801B (en) | 2019-05-30 | 2019-05-30 | Repair structure of damaged tunnel segment and construction method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111485922A (en) * | 2020-05-13 | 2020-08-04 | 陕西上坤蓝箭科技有限公司 | E L F railway tunnel water leakage, block falling and grout turnover disease treatment method |
| CN113090291A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repair and reinforcement complete equipment |
| CN113090292A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repair reinforcement intelligent complete equipment |
| CN113090293A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repairing and reinforcing mechanical arm equipment |
| CN113431610A (en) * | 2021-05-31 | 2021-09-24 | 中铁工程服务有限公司 | Shield subway tunnel segment repair control method and device and storage medium |
| CN118601626A (en) * | 2024-08-05 | 2024-09-06 | 济南轨道中铁管片制造有限公司 | Tunnel segment unfilled corner repairing device and repairing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111485922A (en) * | 2020-05-13 | 2020-08-04 | 陕西上坤蓝箭科技有限公司 | E L F railway tunnel water leakage, block falling and grout turnover disease treatment method |
| CN113090291A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repair and reinforcement complete equipment |
| CN113090292A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repair reinforcement intelligent complete equipment |
| CN113090293A (en) * | 2021-04-09 | 2021-07-09 | 中铁工程服务有限公司 | Shield subway tunnel segment repairing and reinforcing mechanical arm equipment |
| CN113431610A (en) * | 2021-05-31 | 2021-09-24 | 中铁工程服务有限公司 | Shield subway tunnel segment repair control method and device and storage medium |
| CN118601626A (en) * | 2024-08-05 | 2024-09-06 | 济南轨道中铁管片制造有限公司 | Tunnel segment unfilled corner repairing device and repairing process |
| CN118601626B (en) * | 2024-08-05 | 2024-10-01 | 济南轨道中铁管片制造有限公司 | Tunnel segment unfilled corner repairing device and repairing process |
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|---|---|
| CN110080801B (en) | 2024-10-01 |
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