CN104632228B - Main track entering construction method for cross aisle and cross aisle - Google Patents

Main track entering construction method for cross aisle and cross aisle Download PDF

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Publication number
CN104632228B
CN104632228B CN201410811386.4A CN201410811386A CN104632228B CN 104632228 B CN104632228 B CN 104632228B CN 201410811386 A CN201410811386 A CN 201410811386A CN 104632228 B CN104632228 B CN 104632228B
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CN
China
Prior art keywords
way
transverse passage
portal
preliminary bracing
steel frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201410811386.4A
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Chinese (zh)
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CN104632228A (en
Inventor
周帅
唐勇
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China Construction Fourth Engineering Division Corp Ltd
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China Construction Fourth Engineering Division Corp Ltd
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Filing date
Publication date
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Priority to CN201410811386.4A priority Critical patent/CN104632228B/en
Publication of CN104632228A publication Critical patent/CN104632228A/en
Application granted granted Critical
Publication of CN104632228B publication Critical patent/CN104632228B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/14Lining predominantly with metal
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00Setting anchoring-bolts
    • E21D20/02Setting anchoring-bolts with provisions for grouting
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/001Improving soil or rock, e.g. by freezing; Injections

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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)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

The invention discloses a main track entering construction method for a cross aisle and the cross aisle, and relates to the field of the subway tunnel construction. The method comprises the following steps: step one, surveying and lining are carried out, and a main track tunnel portal position is arranged on the side wall of the cross aisle; step two, a grid steel frame is arranged on the main track tunnel portal position, and advanced small pipes are punched in an internal arch part of the grid steel frame; step three, anchor pipes and double-layer reinforcing meshes are arranged on the side wall outside a main track tunnel portal; step four, the advanced small pipes and the anchor pipes are subjected to grouting, and the grouted the advanced small pipes and the anchor pipes are welded with double-layer reinforcing mesh sheets as a whole; step five, concrete is sprayed to form a supporting wall. Compared with the prior art, the main track entering construction method for cross aisle fully and reasonably utilizes an existing mature construction method, so that the construction is convenient and fast.

Description

Transverse passage-way enters main track construction method and transverse passage-way
Technical field
The present invention relates to constructing metro tunnel field, it is logical that more particularly to a kind of transverse passage-way enters main track construction method, lateral road Supporting member and transverse passage-way.
Background technology
Metro using mining method bored tunnel is by shaft excavation transverse passage-way, then opens in the transverse passage-way for performed preliminary bracing Main track tunnel is dug, therefore repeatedly excavation is faced in transverse passage-way, stress transmission is complicated, affects construction safety.
The content of the invention
An object of the present invention is to provide a kind of transverse passage-way to enter main track construction method, and the transverse passage-way is applied into main track Work method can adequately and reasonably utilize existing ripe construction means, fast and easy construction.
Technical scheme is:A kind of transverse passage-way enters main track construction method, is made up of following sequential steps:
1. surveying setting-out, puts place main track portal position on transverse passage-way side wall;
2. grid steel frame is installed in main track portal position, in grid steel frame internal arch part advanced tubule is set;
3. anchor tube and double layer bar are arranged on the side wall outside main track portal;
4. by advanced tubule and anchor tube slip casting, and it is welded as a whole with double steel bar mesh sheet;
5. gunite concrete, forms knee wall.
Preferably, the anchor tube is squeezed on the outside of transverse passage-way and main track tunnel in country rock.
The second object of the present invention is to provide a kind of transverse passage-way to lead to into the lateral road of formation after the construction of main track construction method Supporting member.
Technical scheme is:
A kind of above-mentioned transverse passage-way enters the logical supporting member of the lateral road formed after the construction of main track construction method, and the lateral road is logical to be supported Component by upper transverse passage-way portal preliminary bracing structure, lower transverse passage-way portal preliminary bracing structure, afterwards upper portal profile steel frame, it is front on Portal profile steel frame, rear transverse passage-way preliminary bracing structure, front transverse passage-way preliminary bracing structure, rear support wall, front support wall, it is rear under Portal profile steel frame and front lower portal profile steel frame composition, the rear support wall and the rear transverse passage-way preliminary bracing structure phase Even, the front support wall is connected with the front transverse passage-way preliminary bracing structure, the upper transverse passage-way portal preliminary bracing structure with Lower transverse passage-way portal preliminary bracing structure is respectively provided with transverse passage-way preliminary bracing structure in the rear and front transverse passage-way preliminary bracing Superstructure and lower section, it is described after upper portal profile steel frame be arranged on the upper transverse passage-way portal preliminary bracing structure and it is described after In the middle of transverse passage-way preliminary bracing structure, the front upper portal profile steel frame is arranged on the upper transverse passage-way portal preliminary bracing structure In the middle of the front transverse passage-way preliminary bracing structure, the rear lower portal profile steel frame is arranged on the lower transverse passage-way portal initial stage In the middle of supporting construction and the rear transverse passage-way preliminary bracing structure, the front lower portal profile steel frame is arranged on the lower transverse passage-way In the middle of portal preliminary bracing structure and the front transverse passage-way preliminary bracing structure.
Preferably, the logical supporting member of the lateral road also include rear upper grid steel frame set arch, front upper grid steel frame set arch, after Under The Grille steelframe set arch and front lower grid steel frame set arch.
Preferably, after described upper grid steel frame set arch be arranged on the upper transverse passage-way portal preliminary bracing structure with it is described Between rear support wall, the front upper grid steel frame set arch is arranged on the upper transverse passage-way portal preliminary bracing structure with described front Between buttress, the rear Under The Grille steelframe set arch is arranged on the lower transverse passage-way portal preliminary bracing structure and the rear support wall Between, the front lower grid steel frame set arch be arranged on the lower transverse passage-way portal preliminary bracing structure and the front support wall it Between.
The third object of the present invention is to provide a kind of transverse passage-way to lead to into the lateral road of formation after the construction of main track construction method.
Technical scheme is:
A kind of above-mentioned transverse passage-way enters the lateral road formed after the construction of main track construction method and leads to, including transverse passage-way portal, tunnel Transverse passage-way main track, transverse passage-way preliminary bracing structure, Tunnel structure and tunnel double-lining, the lateral road is logical also to include slip casting Anchor tube, grid steel frame set arch, double layer bar, portal profile steel frame, grouting pipe, main track advanced tubule and injection coagulation Soil, the grouting pipe is arranged at the transverse passage-way portal, and the grid steel frame set arch is being arranged on the tunnel transverse passage-way just At line portal.
Preferably, the main track advanced tubule is arranged on the grid steel frame set arch internal arch part.
Preferably, the grouting pipe is arranged on the grid steel frame set arch top, the portal profile steel frame and institute State grid steel frame set arch adjacent.
Preferably, the double layer bar and grouting anchor pile are arranged on the side wall outside the tunnel transverse passage-way main track portal On.
Compared with prior art, the beneficial effects of the present invention is:
The present invention effectively guarantees that main track ingate excavates safety, by anchor tube steel by set arch and per-fore pouring liquid with small pipe Muscle net gunite concrete knee wall, can preferably replace interim steelframe to support, and can effectively be suppressed by abutment wall anchor tube and slip casting Clearance convergence in transverse passage-way.
The present invention adequately and reasonably can be constructed by after anchor tube Spraying of reinforcement mat with concrete knee wall using existing maturation Means, fast and easy construction.
It is of the invention then to can ensure that and transverse passage-way preliminary bracing structure comprehensive engagement stress using Spraying of reinforcement mat with concrete, Stress is very reasonable.
Of the invention effectively to suppress surrouding rock deformation, squeezing into the anchor tube on the outside of transverse passage-way and main track tunnel in country rock can play soil Nail is acted on, and improves self, effectively suppresses surrouding rock deformation..
Description of the drawings
Fig. 1 is the logical supporting member schematic diagram of lateral road formed after construction method construction of the present invention;
Fig. 2 is the logical planar structure schematic diagram of lateral road that the present invention does not inject concrete;
Fig. 3 is Fig. 2 section B-B structural representations;
Fig. 4 is Fig. 2A-A cross section structure schematic diagrams;
Fig. 5 is the logical planar structure of lateral road of present invention injection concrete;
Fig. 6 is Fig. 5 section B-B structural representations;
Fig. 7 is Fig. 5 Section A-A structural representations.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
A kind of metro built by mining method transverse passage-way enters main track construction method, is made up of following sequential steps:
1. surveying setting-out, the main track portal position measuring on transverse passage-way side wall goes out main track portal excavation contour line.
2. grid steel frame is installed in main track portal position, in grid steel frame internal arch part advanced tubule is set.
3. anchor tube and double layer bar are arranged on the side wall outside main track portal.
4. by advanced tubule and anchor tube slip casting, and it is welded as a whole with double steel bar mesh sheet.
5. gunite concrete, forms knee wall.
Embodiment 2
Fig. 1 is the logical supporting member of lateral road formed after above-mentioned construction method construction, and the logical supporting member of the lateral road is by upper horizontal logical Road portal preliminary bracing structure 101, afterwards lower transverse passage-way portal preliminary bracing structure 102, upper portal profile steel frame 103, front upper hole Door profile steel frame 104, rear transverse passage-way preliminary bracing structure 17, front transverse passage-way preliminary bracing structure 18, rear support wall 19, front support Wall 110, afterwards lower portal profile steel frame 105 and front lower portal profile steel frame 16 are constituted.
Rear support wall 19 is connected with rear transverse passage-way preliminary bracing structure 17, front support wall 110 and front transverse passage-way preliminary bracing Structure 18 is connected, and upper transverse passage-way portal preliminary bracing structure 101 and lower transverse passage-way portal preliminary bracing structure 102 are separately positioned on Afterwards above and below transverse passage-way preliminary bracing structure 17 and front transverse passage-way preliminary bracing structure 18, portal profile steel frame 3 is gone up afterwards and is set Put in the middle of upper transverse passage-way portal preliminary bracing structure 101 and rear transverse passage-way preliminary bracing structure 17, front upper portal profile steel frame 104 are arranged on 104 in the middle of transverse passage-way portal preliminary bracing structure 101 and front transverse passage-way preliminary bracing structure 18, and portal is descended afterwards Profile steel frame 105 is arranged in the middle of lower transverse passage-way portal preliminary bracing structure 102 and rear transverse passage-way preliminary bracing structure 17, front lower Portal profile steel frame 16 is arranged in the middle of lower transverse passage-way portal preliminary bracing structure 102 and front transverse passage-way preliminary bracing structure 18.
Rear support wall 19 is concrete rear support wall, and front support wall is concrete front support wall.
Temporary support component also includes rear upper grid steel frame set arch 111, front upper grid steel frame set arch 112, rear Under The Grille steel Frame set arch 113 and front lower grid steel frame set arch 114.Grid steel frame set arch 111 is gone up afterwards is arranged on transverse passage-way portal preliminary bracing Between structure 101 and rear support wall 19, front upper grid steel frame set arch 112 is arranged on transverse passage-way portal preliminary bracing structure 101 Between front support wall 110, rear Under The Grille steelframe set arch 113 is arranged on lower transverse passage-way portal preliminary bracing structure 102 with rear Between buttress 19, front lower grid steel frame set arch 114 be arranged on lower transverse passage-way portal preliminary bracing structure 2 and front support wall 110 it Between.
It is respectively arranged with anchor tube 115 in transverse passage-way preliminary bracing structure 17 and front transverse passage-way preliminary bracing structure 18 afterwards.
Embodiment 3
Fig. 2-4 is the logical component of lateral road that concrete is not injected in the method for embodiment 1, including transverse passage-way portal, tunnel are horizontal logical Road main track, grouting anchor pile 1, grid steel frame set arch 3, transverse passage-way preliminary bracing structure 4, double layer bar 2, portal profile steel frame 6, Grouting pipe 7, Tunnel structure 8, tunnel double-lining 9 and main track advanced tubule 10.
Grouting pipe 7 is arranged at transverse passage-way portal, and grid steel frame set arch 3 is arranged at tunnel transverse passage-way main track portal, Main track advanced tubule 10 is arranged on grid steel frame set 3 internal arch parts of arch, and grouting pipe 7 is in the top of grid steel frame set arch 3, portal type Steel steelframe 6 is adjacent with grid steel frame set arch 3.Double layer bar 2 and grouting anchor pile 1 are arranged on outside tunnel transverse passage-way main track portal On side wall.
Transverse passage-way preliminary bracing structure 4 includes hole scope transverse passage-way preliminary bracing structure 5, holes a transverse passage-way initial stage Protection structure 41, transverse passage-way preliminary bracing structural steel shape steelframe 42 is arranged on the periphery of transverse passage-way preliminary bracing structure 4, at the beginning of transverse passage-way Phase supporting construction 4 is additionally provided with transverse passage-way preliminary bracing plug wall 43.Main track portal excavation contour line 11 is used to excavate.
Embodiment 4
Fig. 5-7 is that the method for embodiment 1 injects the logical component of the lateral road after concrete, and in the logical component of the lateral road embodiment is included The logical supporting member of lateral road in 2, compared with Example 3, gunite concrete 12 forms mixed in double layer bar 2 in embodiment 4 Solidifying soil knee wall.

Claims (5)

1. a kind of transverse passage-way enters main track construction method, is made up of following sequential steps:
1. surveying setting-out, puts place main track portal position on transverse passage-way side wall;
2. grid steel frame is installed in main track portal position, in grid steel frame internal arch part advanced tubule is set;
3. anchor tube and double layer bar are arranged on the side wall outside main track portal;
4. by advanced tubule and anchor tube slip casting, and it is welded as a whole with double steel bar mesh sheet;
5. gunite concrete, forms knee wall;
The transverse passage-way entered the logical supporting member of the lateral road formed after the construction of main track construction method by the upper transverse passage-way portal initial stage At the beginning of protection structure, lower transverse passage-way portal preliminary bracing structure, rear upper portal profile steel frame, front upper portal profile steel frame, rear transverse passage-way Phase supporting construction, front transverse passage-way preliminary bracing structure, rear support wall, afterwards front support wall, lower portal profile steel frame and front lower portal Profile steel frame is constituted, and the rear support wall is connected with the rear transverse passage-way preliminary bracing structure, the front support wall with it is described before Transverse passage-way preliminary bracing structure is connected, the upper transverse passage-way portal preliminary bracing structure and lower transverse passage-way portal preliminary bracing structure It is respectively provided with transverse passage-way preliminary bracing structure in the rear and front transverse passage-way preliminary bracing superstructure and lower section, the rear upper hole Door profile steel frame is arranged in the middle of the upper transverse passage-way portal preliminary bracing structure and the rear transverse passage-way preliminary bracing structure, institute Upper portal profile steel frame is arranged on the upper transverse passage-way portal preliminary bracing structure and the front transverse passage-way preliminary bracing knot before stating In the middle of structure, at the beginning of the rear lower portal profile steel frame is arranged on the lower transverse passage-way portal preliminary bracing structure and the rear transverse passage-way In the middle of phase supporting construction, the front lower portal profile steel frame be arranged on the lower transverse passage-way portal preliminary bracing structure and it is described before In the middle of transverse passage-way preliminary bracing structure.
2. transverse passage-way according to claim 1 enters main track construction method, it is characterised in that:The anchor tube squeezes into transverse passage-way In country rock on the outside of main track tunnel.
3. transverse passage-way according to claim 1 enters main track construction method, it is characterised in that:The rear support wall is coagulation Tu Houzhichengqiang.
4. transverse passage-way according to claim 1 enters main track construction method, it is characterised in that:The lateral road leads to supporting member Also include rear upper grid steel frame set arch, front upper grid steel frame set arch, rear Under The Grille steelframe set arch and front lower grid steel frame set arch.
5. transverse passage-way according to claim 4 enters main track construction method, it is characterised in that:Upper grid steel frame after described Set arch is arranged between the upper transverse passage-way portal preliminary bracing structure and the rear support wall, the front upper grid steel frame set arch It is arranged between the upper transverse passage-way portal preliminary bracing structure and the front support wall, the rear Under The Grille steelframe set arch is arranged Between the lower transverse passage-way portal preliminary bracing structure and the rear support wall, the front lower grid steel frame set arch is arranged on institute State between lower transverse passage-way portal preliminary bracing structure and the front support wall.
CN201410811386.4A 2014-12-19 2014-12-19 Main track entering construction method for cross aisle and cross aisle Expired - Fee Related CN104632228B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410811386.4A CN104632228B (en) 2014-12-19 2014-12-19 Main track entering construction method for cross aisle and cross aisle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410811386.4A CN104632228B (en) 2014-12-19 2014-12-19 Main track entering construction method for cross aisle and cross aisle

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CN104632228A CN104632228A (en) 2015-05-20
CN104632228B true CN104632228B (en) 2017-04-12

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106014442B (en) * 2016-07-07 2018-03-02 云南省交通规划设计研究院 A kind of vcehicular tunnel escape and rescue transverse passage-way method to set up
CN108412522A (en) * 2018-04-09 2018-08-17 长江勘测规划设计研究有限责任公司 Underground engineering wall portal ruggedized construction and its construction method
CN111379577B (en) * 2020-01-08 2021-11-19 中铁隧道局集团有限公司 Detachable U-shaped primary support method combined with shed cover construction
CN112483094B (en) * 2020-12-09 2023-03-31 中国铁路设计集团有限公司 Construction method for reinforcing U-shaped structure of old tunnel

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