CN106593466A - Method for reinforcing fractured lining of existing railway tunnel - Google Patents

Method for reinforcing fractured lining of existing railway tunnel Download PDF

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Publication number
CN106593466A
CN106593466A CN201710038050.2A CN201710038050A CN106593466A CN 106593466 A CN106593466 A CN 106593466A CN 201710038050 A CN201710038050 A CN 201710038050A CN 106593466 A CN106593466 A CN 106593466A
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CN
China
Prior art keywords
steel
shelf
steel plate
arch
steel arch
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Granted
Application number
CN201710038050.2A
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Chinese (zh)
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CN106593466B (en
Inventor
李德武
高以健
雷琳
吴玉哲
姚永刚
何如来
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Central Defensive Section Of Lanzhou Railway Administration
Works Department Of Lanzhou Railway Administration
Lanzhou Jiaotong University
Original Assignee
Central Defensive Section Of Lanzhou Railway Administration
Works Department Of Lanzhou Railway Administration
Lanzhou Jiaotong University
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Publication date
Application filed by Central Defensive Section Of Lanzhou Railway Administration, Works Department Of Lanzhou Railway Administration, Lanzhou Jiaotong University filed Critical Central Defensive Section Of Lanzhou Railway Administration
Priority to CN201710038050.2A priority Critical patent/CN106593466B/en
Publication of CN106593466A publication Critical patent/CN106593466A/en
Application granted granted Critical
Publication of CN106593466B publication Critical patent/CN106593466B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH 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
    • E21D11/18Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
    • E21D11/183Supporting means for arch members, not provided for in E21D11/22

Abstract

The invention relates to a method for reinforcing a fractured lining of an existing railway tunnel. A first steel arch (4), a second steel arch (5), a steel plate (3), three circumferential steel bars (2), longitudinal connecting steel bars (1), steel plate reinforcing steel bars (6), anchor rods (7) and formwork concrete (8) are involved. The method is characterized in that the steel plate (3) is welded to the inner sides of the outer edges of the first steel arch (4) and the second steel arch (5) and bent according to the radians of the site steel arches; the three circumferential steel bars (2) are erected and the longitudinal connecting steel bars (1) are laid between the first steel arch (4) and the second steel arch (5) to form a circumferential steel bar net; the steel plate reinforcing steel bars (6) are welded to the outer side of the steel plate (3) between the outer edges of the first steel arch (4) and the second steel arch (5); the anchor rods (7) are welded to the steel plate (3); and the concrete (8) is poured between the steel plate (3) and a fresh face where broken concrete is chiseled away.

Description

A kind of method for reinforcing Existing Railway Line tunnel rhegma lining cutting
Technical field
The present invention relates to a kind of method for reinforcing Existing Railway Line tunnel rhegma lining cutting, is particularly well-suited to tunnel rhegma, falls The regulation of block.
Background technology
China is vast in territory, and all kinds of natural conditions are widely different, the engineering geology and hydrogeology of the passed through massif in tunnel Complicated condition is changeable, while existing tunnel is limited by the technique of design and construction condition in the period of building again, haved project lawer disease Evil with Existing Railway Line tunnel use time increase and concrete service life growth, be also evolving, especially with The continuous improvement of existing line train speed and a large amount of construction of Line for Passenger Transportation, railway tunnel substantial increase, in, long, speciality Tunnel is more and more, and the prevention regulation for studying tunnel defect is provided with very strong urgent and necessity, particularly tunnel-liner The problem of rhegma is increasingly subject to the concern of people, therefore fracturing failures of tunnel lining problem is one universal, severe and urgently to be resolved hurrily Problem.
The existing method for reinforcing Existing Railway Line tunnel-liner, to developing rhegma faster, can be reinforced using steel arch-shelf, only Reinforced with top bow member when reinforcing arch, arch springing can be embedded in wall top or be supported in and be embedded on the bracket on wall top, and add longitudinal direction to connect Connect.If tunnel internal obstruction clearance criteria is not enough, steel arch-shelf partly or entirely can be embedded in the concrete dirt the Worker's Stadium being reinforced, and Add longitudinally connected, fixing concrete template between steel arch-shelf again, then concrete perfusion, after concrete reaches some strength Form removal, forms thin set arch improvement structure.
But after conventional control measures, due to the stress that country rock is carried in lining cutting it is larger, along with the vibration of train, repeatedly There is the secondary cracking of lining cutting and fall block;Meanwhile, conventional management measure causes regulation because of operating line blank time restriction It is less efficient.Therefore, how rapid construction, it is more efficiently simple and to reduce to Influence to operation as far as possible be crucial, propose a pin Effective, efficient resolution to existing line tunnel-liner disease management, need solve.
The content of the invention
In order to solve the weak point in above-mentioned background technology, there is provided a kind of reinforcing Existing Railway Line tunnel rhegma lining cutting Method, effectively can fall block to fracturing failures of tunnel lining and renovate, and improve the stability of the durability and structure in tunnel, effectively Make use of the time that railway tunnel " skylight " puts, reduce impact of the tunnel regulation to existing operating line.
For achieving the above object, the technical solution used in the present invention is:
A kind of method for reinforcing Existing Railway Line tunnel rhegma lining cutting, including steel arch-shelf(4)And steel arch-shelf(5), steel plate(3), ring To reinforcing bar(2), longitudinally connected reinforcing bar(1), steel plate reinforcement reinforcing bar(6), anchor pole(7), form concrete(8), it is characterised in that:Steel Plate(3)It is welded on steel arch-shelf(4)And steel arch-shelf(5)On the inside of outer rim, steel plate(3)Bent according to the radian of live steel arch-shelf, Steel arch-shelf(4)And steel arch-shelf(5)Between set up 3 circumferential reinforcements(2)And lay longitudinally connected reinforcing bar(1)Form circumferential reinforcement Net, steel plate reinforcement reinforcing bar(6)It is welded on steel arch-shelf(4)And steel arch-shelf(5)Steel plate between outer rim(3)Outside, by anchor pole(7) With steel plate(3)Welding, in steel plate(3)With cut concrete perfusion between the fresh face of damaged concrete(8).
Compared with existing reinforcement means, the present invention has the advantage that as follows with effect:
1., in this reinforcement means, the characteristics of taken into full account railway operation line " skylight " point, circuit tunnel-liner disease is carried out It is efficient to administer.In the outer edge of a wing welding 6mm steel plates of steel arch-shelf, while structure is further reinforced, energy more preferably form concrete, Avoid secondary interference of the conventional form removal to railway in operation circuit.
2. in this reinforcement means, support is longitudinally provided in tunnel, it is to avoid in the past intensive steel was set between two Pin steel arch-shelfs Muscle connector, and steel plate and 22 spirals are set used as longitudinal connecting member, there is provided effective longitudinal bracing, also reduce The complexity of operation.
3. in this reinforcement means, structure stress is clearer and more definite, with good globality.Steel plate is short by long 60cm's Anchor pole is connected with lining cutting, and steel plate is linked as entirety with 22 steel plate reinforcement reinforcing bar of bottom, steel arch-shelf welding, can effective control mould Building concrete gravity power etc. causes steel plate to tunnel convex, it is to avoid circuit boundary line is invaded.
4. welding steel concrete perfusion between steel arch-shelf, defines an arch " ring of encirclement " to rhegma lining cutting section, shape The ruggedized construction of rhegma lining cutting Duan Xin, is highly resistant to pressure from surrounding rock in pairs, stops the further deterioration of rhegma lining cutting section, ensures The safety of driving.
Description of the drawings
The structural representation (elevation) of Fig. 1 present invention.
The structural representation (top view) of Fig. 2 present invention.
Specific embodiment
A kind of method for reinforcing Existing Railway Line tunnel rhegma lining cutting, including steel arch-shelf(4)And steel arch-shelf(5), steel plate(3), ring To reinforcing bar(2), longitudinally connected reinforcing bar(1), steel plate reinforcement reinforcing bar(6), anchor pole(7), form concrete(8), it is characterised in that:Steel Plate(3)It is welded on steel arch-shelf(4)And steel arch-shelf(5)On the inside of outer rim, steel plate(3)Bent according to the radian of live steel arch-shelf, Steel arch-shelf(4)And steel arch-shelf(5)Between set up 3 circumferential reinforcements(2)And lay longitudinally connected reinforcing bar(1)Form circumferential reinforcement Net, steel plate reinforcement reinforcing bar(6)It is welded on steel arch-shelf(4)And steel arch-shelf(5)Steel plate between outer rim(3)Outside, by anchor pole(7) With steel plate(3)Welding, in steel plate(3)With cut concrete perfusion between the fresh face of damaged concrete(8).
Concrete methods of realizing in Practical Project:Fall at block disease in lining cracking, cut the concrete of rhegma loosening, Dabbing cleaning concrete face, brushing concrete interfacial agents erect steel arch-shelf(4)And steel arch-shelf(5), apply anchor pole(7), weld ring steel Muscle(2), longitudinal reinforcement(1), steel plate(3), steel plate reinforcement reinforcing bar(6), form concrete(8), formed to original rhegma lining cutting Reinforce new construction.It is characterized in that:Steel plate(3)It is welded on steel arch-shelf(4)And steel arch-shelf(5)On the inside of outer rim, steel plate(3)According to existing The radian of field steel arch-shelf is bent, steel arch-shelf(4)And steel arch-shelf(5)Between set up 3 circumferential reinforcements(2)And lay longitudinal company Connect reinforcing bar(1)Form circumferential reinforcement net, steel plate reinforcement reinforcing bar(6)It is welded on steel arch-shelf(4)And steel arch-shelf(5)Steel between outer rim Plate(3)Outside, by anchor pole(7)With steel plate(3)Welding, in steel plate(3)Mix with cutting to irrigate between the fresh face of damaged concrete Solidifying soil(8), and vibration compacting.
Operation principle:Two Pin steelframes are linked as entirety by welding by 22 longitudinally connected reinforcing bars and steel plate, effective control steel The linear deformation of bow member;Steel plate is by the Short bolt of long 60cm and lining cutting integrated connection, steel plate and 22 steel plate reinforcement steel of bottom Muscle, steel arch-shelf welding are linked as entirety, and the load of the concrete and country rock of energy shared perfusion causes steel plate to tunnel convex, keeps away Exempt from circuit boundary line to be invaded;Welding steel concrete perfusion between steel arch-shelf, defines an arch to rhegma lining cutting section and " surrounds Circle ", forms the ruggedized construction to rhegma lining cutting Duan Xin, is highly resistant to pressure from surrounding rock, stops the further evil of rhegma lining cutting section Change, ensured the safety of driving.

Claims (1)

1. a kind of method for reinforcing Existing Railway Line tunnel rhegma lining cutting, including steel arch-shelf(4)And steel arch-shelf(5), steel plate(3)、 Circumferential reinforcement(2), longitudinally connected reinforcing bar(1), steel plate reinforcement reinforcing bar(6), anchor pole(7), form concrete(8), it is characterised in that: Steel plate(3)It is welded on steel arch-shelf(4)And steel arch-shelf(5)On the inside of outer rim, steel plate(3)Carried out according to the radian of live steel arch-shelf curved System, steel arch-shelf(4)And steel arch-shelf(5)Between set up 3 circumferential reinforcements(2)And lay longitudinally connected reinforcing bar(1)Form ring steel Muscle net, steel plate reinforcement reinforcing bar(6)It is welded on steel arch-shelf(4)And steel arch-shelf(5)Steel plate between outer rim(3)Outside, by anchor pole (7)With steel plate(3)Welding, in steel plate(3)With cut concrete perfusion between the fresh face of damaged concrete(8).
CN201710038050.2A 2017-01-19 2017-01-19 A method of reinforcing the rhegma lining cutting of Existing Railway Line tunnel Expired - Fee Related CN106593466B (en)

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CN201710038050.2A CN106593466B (en) 2017-01-19 2017-01-19 A method of reinforcing the rhegma lining cutting of Existing Railway Line tunnel

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CN201710038050.2A CN106593466B (en) 2017-01-19 2017-01-19 A method of reinforcing the rhegma lining cutting of Existing Railway Line tunnel

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CN106593466B CN106593466B (en) 2019-11-19

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109723467A (en) * 2019-01-11 2019-05-07 北京交通大学 A kind of bored tunnel lining reinforcement device and reinforcement means
CN110130930A (en) * 2019-06-12 2019-08-16 上海隧道工程有限公司 Reinforcement for large diameter shield tunnel
CN110529153A (en) * 2019-08-16 2019-12-03 上海市基础工程集团有限公司 The shield tunnel lining cutting trimming setting-out mold and method of steel loop
CN111764941A (en) * 2020-03-27 2020-10-13 同济大学 Tunnel prefabricated steel arch frame reinforcing method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE873374A (en) * 1978-01-10 1979-05-02 Caledonian Mining Co Ltd MINING SUPPORT
JP2006037471A (en) * 2004-07-26 2006-02-09 Bridgestone Corp Reinforced structure of tunnel construction by frp panel
CN201513181U (en) * 2009-07-07 2010-06-23 中铁二院工程集团有限责任公司 Anti-cracking lining structure of high-speed railway tunnel
CN101818645A (en) * 2010-03-22 2010-09-01 中铁十二局集团第二工程有限公司 Construction method for newly increasing arched open cut tunnel at railway operating line tunnel portal
CN201650302U (en) * 2010-03-25 2010-11-24 中铁二院工程集团有限责任公司 Eiking clear hole structure of existing high speed railway tunnel
CN203452799U (en) * 2013-07-02 2014-02-26 南京联众建设工程技术有限公司 Corrugated steel tunnel supporting structure
CN103953361A (en) * 2014-05-20 2014-07-30 中铁第一勘察设计院集团有限公司 Clearance strengthening system for serious cracks of existing tunnel arch lining
CN104121027A (en) * 2014-07-24 2014-10-29 中南大学 Method for reinforcing cracked and damaged lining of operation tunnel
CN204266136U (en) * 2014-12-02 2015-04-15 杨修志 Stone arch bridge cover arch rib shotcrete ruggedized construction

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE873374A (en) * 1978-01-10 1979-05-02 Caledonian Mining Co Ltd MINING SUPPORT
JP2006037471A (en) * 2004-07-26 2006-02-09 Bridgestone Corp Reinforced structure of tunnel construction by frp panel
CN201513181U (en) * 2009-07-07 2010-06-23 中铁二院工程集团有限责任公司 Anti-cracking lining structure of high-speed railway tunnel
CN101818645A (en) * 2010-03-22 2010-09-01 中铁十二局集团第二工程有限公司 Construction method for newly increasing arched open cut tunnel at railway operating line tunnel portal
CN201650302U (en) * 2010-03-25 2010-11-24 中铁二院工程集团有限责任公司 Eiking clear hole structure of existing high speed railway tunnel
CN203452799U (en) * 2013-07-02 2014-02-26 南京联众建设工程技术有限公司 Corrugated steel tunnel supporting structure
CN103953361A (en) * 2014-05-20 2014-07-30 中铁第一勘察设计院集团有限公司 Clearance strengthening system for serious cracks of existing tunnel arch lining
CN104121027A (en) * 2014-07-24 2014-10-29 中南大学 Method for reinforcing cracked and damaged lining of operation tunnel
CN204266136U (en) * 2014-12-02 2015-04-15 杨修志 Stone arch bridge cover arch rib shotcrete ruggedized construction

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109723467A (en) * 2019-01-11 2019-05-07 北京交通大学 A kind of bored tunnel lining reinforcement device and reinforcement means
CN110130930A (en) * 2019-06-12 2019-08-16 上海隧道工程有限公司 Reinforcement for large diameter shield tunnel
CN110529153A (en) * 2019-08-16 2019-12-03 上海市基础工程集团有限公司 The shield tunnel lining cutting trimming setting-out mold and method of steel loop
CN110529153B (en) * 2019-08-16 2021-10-01 上海市基础工程集团有限公司 Laying-out die and method for steel ring for shield tunnel lining renovation
CN111764941A (en) * 2020-03-27 2020-10-13 同济大学 Tunnel prefabricated steel arch frame reinforcing method
CN111764941B (en) * 2020-03-27 2021-09-03 同济大学 Tunnel prefabricated steel arch frame reinforcing method

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Address after: 730070 Anning West Road, Anning District, Lanzhou, Gansu Province, No. 88

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Inventor after: Li Dewu

Inventor after: Gao Yijian

Inventor after: Lei Lin

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Inventor after: Yao Yonggang

Inventor after: He Rulai

Inventor before: Li Dewu

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