CN104989432A - Construction method for opening section steel grouting to reinforce tunnel - Google Patents
Construction method for opening section steel grouting to reinforce tunnel Download PDFInfo
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- CN104989432A CN104989432A CN201510290977.6A CN201510290977A CN104989432A CN 104989432 A CN104989432 A CN 104989432A CN 201510290977 A CN201510290977 A CN 201510290977A CN 104989432 A CN104989432 A CN 104989432A
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Abstract
The invention provides a construction method for opening section steel grouting to reinforce a tunnel. The method comprises the following steps: (1) firstly, measuring tunnel deformation conditions, according to a measurement result, manufacturing a plurality of opening section steel units, the shapes of the opening section steel units being matched with a to-be-reinforced intrados of a shield segment; (2) installing the opening section steel on the to-be-reinforced intrados of the shield segment; fixing and connecting the plurality of opening section steel units in series in sequence to form the opening section steel, a hollow circular arc pipe channel being formed in the opening section steel; (3) providing a plurality of fixing connecting pieces to respectively fix the opening section steel units on the to-be-reinforced intrados of the shield segment; (4) and arranging filling holes on the opening section steel, and injecting filler through the filling holes. The method is characterized by good reinforcing effect, low cost, short construction period, and high shape forming property in reinforcing processing on an original tunnel structure.
Description
Technical field
The invention belongs to technical field of buildings, relate to the construction method that a kind of tunnel structure is reinforced, particularly a kind of construction method of opening shaped steel consolidation by grouting tunnel.
Background technology
Along with the high speed development of urban construction, the utilization of infrastructure to the underground space grows with each passing day, tunnel is built more and more, but, while tunnel construction is scored achievements, tunnel in some operation is owing to constantly increasing service life, in addition geologic(al) factor, part overloading, the adverse effects such as environment and the improper excavation of circuit periphery Deep Foundation Pit, and guarded drainage facility is aging, regional area Structural Test of Tunnel Segments is out of shape and cracking, the phenomenon such as to peel off, if distortion increases further, traffic safety will be jeopardized, sometimes be forced to close traffic, carry out Disease Treatment.Huge fund will be consumed every year for reinforcing damaged tunnel in countries in the world, to ensure safety.Therefore, invent a kind of low cost, high efficiency tunnel reinforcement measure, just become extremely important.At present, the method for tunnel reinforcement mainly contains:
One, affixing steel plate reinforcement
Affixing steel plate reinforcement is the steel plate cutting into certain size according to designing requirement, adopt special weight lifting arm, inside Structural Test of Tunnel Segments, steel plate is installed in segmentation, fix respectively with expansion bolt again, then use electric welding by integral for each Plate Welding, formed and the basically identical steel loop of tunnel inner wall shape, finally, reperfusion structure glue (as epoxy resin etc.) in the gap of steel loop and tunnel segment structure.
During the subway tunnel structure of this engineering method for operating is reinforced, but in practice process, also expose some disadvantages, as excessive, the special weight lifting equipment of steel plate deadweight need grow that distance turnover field, weld seam are many, welding quality fluctuation is large, naked light is felt unwell entirely, the post-grouting of steel plate and section of jurisdiction bonds that official post consolidation effect is had a greatly reduced quality, corrosion of steel structure problem and long in time limit, reinforce high cost, these problems hinder promoting the use of of the method.
Two. Strengthened By Cfrp Sheet method
Carbon cloth is a kind of Unidirectional fiber reinforcing product, intensity is high, density is little, thickness is thin, substantially strenthening member deadweight and sectional dimension is not increased, this reinforcement means has convenient transportation, the advantage of quick construction, for to tunnel reinforcement, structural strength can be significantly improved, because being widely used in the reinforcing field of building structure, the quality of carbon cloth reinforced construction method, affecting the reliability of carbon cloth to strengthening member, is also the key factor determining that whole stabilization works is safe and reliable.
But, when reinforcing the subway tunnel structure of operation, whether fully cementing agent solidification is a problem that can not be ignored, cementing agent at present for structural strengthening is all normal temperature cure, 2-3 hour finger touches solidification, and 1-7 day 100% solidifies, and the intensity that namely cementing agent will reach 100% at least needs the time of more than 24 hours, but the feature of subway of having operated to utilize constructing for 3-4 hour of subway stoppage in transit at night.Therefore, before cementing agent does not also reach intensity, subway has run again, and the effect of vibration makes cementing agent be difficult to thorough solidification, thus has had a strong impact on the effect of structural strengthening.Further, carbon fiber has electric conductivity, easily touches the power supply net-fault system of tunnel complexity, causes getting an electric shock or short circuit accident.
Three. composite cavity reinforcing method
Composite cavity component, comprises cavity body, composite layer, injected hole, steam vent, bolt hole and filler.The shape of cavity body and reinforcing face match, and one or more tubing is combined into cavity body, and cavity body surface is provided with composite layer, composite layer by resin and fibrous, perfusion filler in cavity body.Cavity body is metal tube or non-metallic pipe, as steel pipe, plastic pipe, composite material tube etc.Composite cavity component have lightweight, be convenient to the advantages such as transport, quick construction.Composite cavity outsourcing composite material is formed at housing surface by composite material manufacturing technologies such as vacuum, heating, RTM or hand pastes by resin and fiber, processing technology is complicated, cost is high, and some composite material compositions has electric conductivity, easily contact tunnel electrical network, causes getting an electric shock or short circuit, simultaneously, outsourcing composite material causes the poor with type of cavity body and tunnel structure, also can affect consolidation effect, and Surface coating composite material is not obvious to tunnel bearing capacity increasing action.
Summary of the invention
For overcoming the defect existing for prior art, the object of the present invention is to provide a kind of construction method of opening shaped steel consolidation by grouting tunnel, solve exist in prior art from great, perishable, mechanization dependence is high, cementing agent does not fully solidify, and easily gets an electric shock or short circuit, consolidation effect is poor, cost is high, the difficult problem such as poor with type, long in time limit.
The construction method in opening shaped steel consolidation by grouting tunnel, comprising:
(1) measure tunnel deformation situation, according to measurement result, make multiple opening shaped steel unit, the shape of described opening shaped steel unit and shield duct piece intrados to be reinforced match;
(2) construction opening shaped steel on the intrados that shield duct piece is to be reinforced: the serial connection that sequentially interfixed by multiple described opening shaped steel unit is to form the opening shaped steel that ring establishes described intrados, described opening shaped steel inside forms the arc tube passage of hollow, and described opening shaped steel unit is fixed on described shield duct piece intrados to be reinforced by the fixed connecting piece provided;
(3) filler is fed into described arc tube passage by the filler opening by arranging on described opening shaped steel unit.
Preferably, in step (2), comprising: the serial connection that first interfixed by multiple described opening shaped steel unit forms opening shaped steel, is then fixed on described shield duct piece intrados to be reinforced by described opening shaped steel by fixed connecting piece.
Preferably, in step (2), comprise: be fixed on described shield duct piece intrados to be reinforced by fixed connecting piece by opening shaped steel unit arrangement described in each, the serial connection that then interfixed by multiple described opening shaped steel unit is to form opening shaped steel.
Preferably, in described step (2), connection-peg or electric welding in adopting between adjacent two described opening shaped steel unit and be fixed together.
Preferably, smear cementing agent at described opening shaped steel unit and described shield duct piece contact position, described cementing agent is no-solvent type modified epoxy class steel bonding potting compound or silica gel.
Preferably, described fixed connecting piece is expansion bolt or chemical bolt, and described filler is micro-expansion cement mortar or slightly expanded concrete.
A kind of structure of opening shaped steel consolidation by grouting tunnel, comprise: the opening shaped steel unit that the intrados to be reinforced with shield duct piece is corresponding, multiple described opening shaped steel unit interfixes serial connection and form ring and establish described intrados and the opening shaped steel with the arc tube passage of hollow, multiple described opening shaped steel unit is fixedly connected with via the intrados that fixed connecting piece is to be reinforced with described shield duct piece, is perfused with filler in described arc tube passage.
Preferably, described opening shaped steel unit comprises a shape steel plate and is turned down in the same direction by shape steel plate both sides and forms flanging.
Preferably, described fixed connecting piece is expansion bolt or chemical bolt; Described opening shaped steel unit is provided with the filler opening for perfusion filler, described filler is micro-expansion cement mortar or slightly expanded concrete.
Preferably, be coated with cementing agent at described opening shaped steel unit and shield duct piece contact position, described cementing agent is no-solvent type modified epoxy class steel bonding potting compound or silica gel.
The invention provides a kind of construction method of opening shaped steel consolidation by grouting tunnel, the multiple opening shaped steel unit matched by providing the intrados to be reinforced with shield duct piece, multiple described opening shaped steel unit is communicated with the arc tube passage forming hollow, multiple opening shaped steel unit fixed on the intrados that early shield duct piece is to be reinforced by fixed connecting piece, filler is poured in described arc tube passage, thus filler and opening shaped steel form new reinforcing body, and to combine former tunnel structure body jointly stressed, solve in prior art perishable, mechanization dependence is high, cementing agent does not fully solidify, and the problem of easily electric shock or short circuit, and have consolidation effect when carrying out consolidation process to former tunnel structure good, cost is low, duration is short, with type high.
Accompanying drawing explanation
Fig. 1 is the process flow chart of the construction method in opening shaped steel consolidation by grouting tunnel of the present invention;
Fig. 2 is the structural representation of the construction method in opening shaped steel consolidation by grouting tunnel of the present invention; And
Fig. 3 is the A-A sectional drawing of Fig. 2.
Detailed description of the invention
For the benefit of to the understanding of structure of the present invention, be described below in conjunction with drawings and Examples.
Shown in composition graphs 1-Fig. 3, Fig. 1 is the process flow chart of the construction method in opening shaped steel consolidation by grouting tunnel of the present invention, and Fig. 2 is the structural representation of the construction method in opening shaped steel consolidation by grouting tunnel of the present invention, and Fig. 3 is the A-A sectional drawing of Fig. 2.Refer to Fig. 1-Fig. 3, the invention provides a kind of construction method of opening shaped steel consolidation by grouting tunnel, comprise the steps:
Step S1, first measures tunnel deformation situation, according to measurement result, makes multiple opening shaped steel unit 2, and the shape of described opening shaped steel unit 2 and shield duct piece 1 intrados to be reinforced match.In the present embodiment, opening shaped steel unit 2 comprises a shape steel plate and is turned down in the same direction by shape steel plate both sides and forms a pair flanging, on the intrados that shield duct piece 1 of being fitted by opening shaped steel unit 2 is to be reinforced, the inside of opening shaped steel unit 2 is made to be formed with the holding channel of hollow.
Step S2, construction opening shaped steel on the intrados that shield duct piece 1 is to be reinforced: sequentially interfix multiple opening shaped steel unit 2 serial connection, to form the opening shaped steel that ring establishes described intrados, described opening shaped steel inside forms an arc tube passage of hollow.Further, in same arc tube passage, in adopting between two adjacent opening shaped steel unit 2, connection-peg or electric welding connect.Further, cementing agent 6 is smeared at described opening shaped steel unit 2 and shield duct piece 1 contact position, described cementing agent 6 can be high-quality A level no-solvent type modified epoxy class steel bonding potting compound or silica gel, select high-quality A level no-solvent type modified epoxy class steel bonding potting compound in the present embodiment, mainly play and play temporary sealing effect when being in the milk.
Step S3, provides fixed connecting piece 4, to be fixed on shield duct piece 1 intrados to be reinforced by opening shaped steel unit 2.In the present embodiment, described fixed connecting piece 4 is expansion bolt or chemical bolt, by offering bolt hole on opening shaped steel unit 2, wears for expansion bolt or chemical bolt.Further, each opening shaped steel unit 2 arranges two expansion bolts, make the consolidation effect of opening shaped steel unit 2 more stable.
On the intrados reinforced, during construction opening shaped steel unit 2, there are two kinds of embodiments, wherein,
Embodiment 1:
First mutual for multiple opening shaped steel unit electric welding serial connection is formed opening shaped steel, then by fixed connecting piece, described opening shaped steel entirety is fixed on shield duct piece intrados to be reinforced.
Embodiment 2:
By fixed connecting piece, opening shaped steel unit 2 arrangement described in each is fixed on shield duct piece intrados to be reinforced, two opening shaped steel unit 2 end part aligning in same arc tube passage connection of conflicting, then, electric welding consecutive connects described opening shaped steel unit 2 adjacent on shield duct piece intrados to be reinforced to form opening shaped steel.
Step S4, opening shaped steel arranges filler opening 3, is fed into filler 5 by filler opening 3.In the present embodiment, described filler 5 is micro-expansion cement mortar or slightly expanded concrete, and filler opening 3 is arranged between two adjacent opening shaped steel unit 2.Certainly, in concrete utilization, filler opening can be arranged on the flanging of opening shaped steel unit 2 both sides, also can be arranged on the optional position in the middle part of steel plate, be not limited to the present embodiment.Usual filler opening 3 is when opening shaped steel unit dispatches from the factory as finished product, just set, one or more filler opening 3 can be set on each opening shaped steel unit 2, also can be that the outs open shaped steel unit 2 on opening shaped steel arranges one or more filler opening 3, can make a choice according to the practical distortion situation in tunnel.
Present invention also offers a kind of structure of opening shaped steel consolidation by grouting tunnel, comprising: multiple opening shaped steel unit 2 that the intrados to be reinforced with shield duct piece 1 is corresponding and fixed connecting piece 4.
Opening shaped steel unit 2, comprises a shape steel plate and is turned down in the same direction by shape steel plate both sides and form flanging, on the intrados that shield duct piece 1 of being fitted by opening shaped steel unit 2 is to be reinforced, makes the inside of opening shaped steel unit 2 be formed with the holding channel of hollow.The fixing serial connection of multiple described opening shaped steel unit 2, to be communicated with the arc tube passage forming hollow.Along the bearing of trend in tunnel, according to the actual conditions of tunnel deformation, multiple arc tube passage can be set.Further, cementing agent is coated with at described opening shaped steel unit and shield duct piece contact position, high-quality A level no-solvent type modified epoxy class steel bonding potting compound is selected in the present embodiment, thus when the later stage can be prevented to be in the milk in arc tube passage, prevent filler 5 from overflowing from the gap of opening shaped steel unit 2 and shield duct piece 1, affect strengthening quality.
Fixed connecting piece 4, described fixed connecting piece 4 is expansion bolt or chemical bolt, selecting expansion bolt in the present embodiment, by offering bolt hole on opening shaped steel unit 2, opening shaped steel unit 2 being fixed on shield duct piece 1 intrados to be reinforced via bolt hole by expansion bolt.Further, opening shaped steel unit 2 arranges filler opening 3, is fed into filler 5 in arc tube passage.Described filler 5 can be micro-expansion cement mortar or slightly expanded concrete.Certainly, in concrete utilization, filler opening 3 can be arranged on the flanging of opening shaped steel unit 2 both sides, also can be arranged on the optional position in the middle part of steel plate, be not limited to the present embodiment.Usual filler opening 3 is when opening shaped steel unit dispatches from the factory as finished product, just set, one or more filler opening 3 can be set on each opening shaped steel unit 2, also can be that the outs open shaped steel unit 2 on opening shaped steel arranges one or more filler opening 3, can make a choice according to the practical distortion situation in tunnel.
In concrete utilization, on the intrados reinforced during construction opening shaped steel unit 2, there are two kinds of embodiments, wherein, embodiment 1: first the mutual electric welding of multiple opening shaped steel unit is connected to form opening shaped steel, is then fixed on described opening shaped steel entirety on shield duct piece intrados to be reinforced by fixed connecting piece.Embodiment 2: opening shaped steel unit 2 arrangement described in each is fixed on shield duct piece intrados to be reinforced by fixed connecting piece, two opening shaped steel unit 2 end part aligning in same arc tube passage connection of conflicting, then, electric welding connects described opening shaped steel unit 2 adjacent on shield duct piece intrados to be reinforced to form opening shaped steel.
Now the concrete operations details of the construction method in a kind of opening shaped steel consolidation by grouting tunnel provided by the invention is described in detail.
First tunnel deformation situation is measured, according to measurement result, obtain reinforcing face form parameter.According to tunnel deformation situation, design multiple opening shaped steel unit, one or more opening shaped steel unit is processed, opening shaped steel cell configuration and reinforcing face are matched.If need the opening shaped steel unit of more than, be welded to connect between adjacent opening shaped steel unit.Described opening shaped steel unit, adds and will reserve one or more bolt hole man-hour, installs expansion bolt 4, to be fixed on tunnel lining reinforcing face by opening shaped steel unit.For avoiding spillage, increasing the reliability in opening shaped steel consolidation by grouting tunnel, in described opening shaped steel unit and tunnel lining segment contact position, smear cementing agent 6, cementing agent 6 only plays temporary sealing effect when being in the milk, and described cementing agent 6 can be high-quality A level no-solvent type modified epoxy class steel bonding potting compound or silica gel.Described opening shaped steel is provided with one or more injected hole 3, by injected hole perfusion microdilatancy slurry 5, to increase the intensity of strenthening member.Slurry carries out perfusion and fills after opening section steel reinforcement is installed, convenient transportation, and opening shaped steel is installed and grouting is carried out separately, does not affect subway etc. and normally runs.Described microdilatancy slurry 5 can be micro-expansion cement mortar or slightly expanded concrete.Monitoring tunnel deformation and bearing capacity change, treat tunnel stabilization, reinforcing completes.
The invention provides a kind of construction method of opening shaped steel consolidation by grouting tunnel, the multiple opening shaped steel unit matched by providing the intrados to be reinforced with shield duct piece, multiple described opening shaped steel unit is communicated with the arc tube passage forming hollow, multiple opening shaped steel unit fixed on the intrados that early shield duct piece is to be reinforced by fixed connecting piece, filler is poured in described arc tube passage, thus filler and opening shaped steel form new reinforcing body, and to combine former tunnel structure body jointly stressed, solve in prior art perishable, mechanization dependence is high, cementing agent does not fully solidify, and the problem of easily electric shock or short circuit, and have consolidation effect when carrying out consolidation process to former tunnel structure good, cost is low, duration is short, with type high.
Below embodiment is to invention has been detailed description by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thus, some details in embodiment should not form limitation of the invention, the present invention by the scope that defines using appended claims as protection domain.
Claims (10)
1. the construction method in opening shaped steel consolidation by grouting tunnel, is characterized in that, comprising:
(1) measure tunnel deformation situation, according to measurement result, make multiple opening shaped steel unit, the shape of described opening shaped steel unit and shield duct piece intrados to be reinforced match;
(2) construction opening shaped steel on the intrados that shield duct piece is to be reinforced: the serial connection that sequentially interfixed by multiple described opening shaped steel unit is to form the opening shaped steel that ring establishes described intrados, described opening shaped steel inside forms the arc tube passage of hollow, and described opening shaped steel unit is fixed on described shield duct piece intrados to be reinforced by the fixed connecting piece provided;
(3) filler is fed into described arc tube passage by the filler opening by arranging on described opening shaped steel unit.
2. the construction method in opening shaped steel consolidation by grouting tunnel as claimed in claim 1, it is characterized in that, in step (2), comprise: the serial connection that first interfixed by multiple described opening shaped steel unit forms opening shaped steel, is then fixed on described shield duct piece intrados to be reinforced by described opening shaped steel by fixed connecting piece.
3. the construction method in opening shaped steel consolidation by grouting tunnel as claimed in claim 1, it is characterized in that, in step (2), comprise: be fixed on described shield duct piece intrados to be reinforced by fixed connecting piece by opening shaped steel unit arrangement described in each, the serial connection that then interfixed by multiple described opening shaped steel unit is to form opening shaped steel.
4. the construction method in the opening shaped steel consolidation by grouting tunnel as described in claim 1,2 or 3, is characterized in that, in described step (2), and connection-peg or electric welding in adopting between adjacent two described opening shaped steel unit and be fixed together.
5. the construction method in opening shaped steel consolidation by grouting tunnel as claimed in claim 1, it is characterized in that, smear cementing agent at described opening shaped steel unit and described shield duct piece contact position, described cementing agent is no-solvent type modified epoxy class steel bonding potting compound or silica gel.
6. the construction method in opening shaped steel consolidation by grouting tunnel as claimed in claim 1, it is characterized in that, described fixed connecting piece is expansion bolt or chemical bolt, and described filler is micro-expansion cement mortar or slightly expanded concrete.
7. the structure in an opening shaped steel consolidation by grouting tunnel, it is characterized in that, comprise: the opening shaped steel unit that the intrados to be reinforced with shield duct piece is corresponding, multiple described opening shaped steel unit interfixes serial connection and form ring and establish described intrados and the opening shaped steel with the arc tube passage of hollow, multiple described opening shaped steel unit is fixedly connected with via the intrados that fixed connecting piece is to be reinforced with described shield duct piece, is perfused with filler in described arc tube passage.
8. the structure in opening shaped steel consolidation by grouting tunnel as claimed in claim 7, is characterized in that,
Described opening shaped steel unit comprises a shape steel plate and is turned down in the same direction by shape steel plate both sides and forms flanging.
9. the structure in opening shaped steel consolidation by grouting tunnel as claimed in claim 7, is characterized in that,
Described fixed connecting piece is expansion bolt or chemical bolt;
Described opening shaped steel unit is provided with the filler opening for perfusion filler, described filler is micro-expansion cement mortar or slightly expanded concrete.
10. the structure in opening shaped steel consolidation by grouting tunnel as claimed in claim 7, it is characterized in that, be coated with cementing agent at described opening shaped steel unit and shield duct piece contact position, described cementing agent is no-solvent type modified epoxy class steel bonding potting compound or silica gel.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401955A (en) * | 2015-11-30 | 2016-03-16 | 武汉大学 | Seepage-proofing bearing structure of soft soil pressure tunnel |
| CN106761812A (en) * | 2017-01-17 | 2017-05-31 | 铁道第三勘察设计院集团有限公司 | A kind of existing shield tunnel tunnel segment structure reinforcement means |
| CN108344638A (en) * | 2018-01-24 | 2018-07-31 | 浙江大学城市学院 | A kind of compound mortar reinforces the indoor test method of existing subway tunnel structure effect |
| CN108411806A (en) * | 2018-03-12 | 2018-08-17 | 华南理工大学 | A kind of structure and its installation method of reinforced steel concrete pipe culvert |
| CN108978620A (en) * | 2018-06-30 | 2018-12-11 | 李广军 | A kind of structure of shield end well head surrounding building foundation stabilization |
| 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 |
| CN110206564A (en) * | 2019-05-28 | 2019-09-06 | 同济大学 | A kind of shield tunnel ruggedized construction and construction method based on U-shaped steel plate |
| CN110259484A (en) * | 2019-05-27 | 2019-09-20 | 同济大学 | A kind of shield tunnel ruggedized construction and construction method based on Z bar plate |
| CN110295924A (en) * | 2019-05-24 | 2019-10-01 | 同济大学 | A kind of shield tunnel ruggedized construction and construction method based on I-shaped steel plate |
| CN111706358A (en) * | 2020-05-11 | 2020-09-25 | 同济大学 | Tunnel bonded steel reinforcing method |
| CN113153360A (en) * | 2021-05-26 | 2021-07-23 | 中铁五局集团有限公司 | Reinforcing device for shield tunnel segment and construction method thereof |
| CN115263370A (en) * | 2022-06-30 | 2022-11-01 | 武汉容晟吉美科技有限公司 | Construction process for grouting of tunnel reinforcing steel ring sheet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09158692A (en) * | 1995-12-13 | 1997-06-17 | Sumitomo Metal Ind Ltd | Lining of shielding tunnel and steel segment for secondary lining |
| JP2005089999A (en) * | 2003-09-12 | 2005-04-07 | Kubota Corp | Segment for tunnel |
| JP2011047266A (en) * | 2009-07-30 | 2011-03-10 | Nippon Steel Corp | Segment and method for manufacturing the same |
| CN102031978A (en) * | 2010-11-16 | 2011-04-27 | 吕修伦 | Internal drawing tunnel/hole reinforced concrete support-free upright die |
| CN202578707U (en) * | 2011-12-29 | 2012-12-05 | 姚宪平 | Composite cavity member |
| CN104265324A (en) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | Existing tunnel structure reinforced composite component reinforcing structure and construction method of existing tunnel structure reinforced composite component reinforcing structure |
-
2015
- 2015-05-29 CN CN201510290977.6A patent/CN104989432B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09158692A (en) * | 1995-12-13 | 1997-06-17 | Sumitomo Metal Ind Ltd | Lining of shielding tunnel and steel segment for secondary lining |
| JP2005089999A (en) * | 2003-09-12 | 2005-04-07 | Kubota Corp | Segment for tunnel |
| JP2011047266A (en) * | 2009-07-30 | 2011-03-10 | Nippon Steel Corp | Segment and method for manufacturing the same |
| CN102031978A (en) * | 2010-11-16 | 2011-04-27 | 吕修伦 | Internal drawing tunnel/hole reinforced concrete support-free upright die |
| CN202578707U (en) * | 2011-12-29 | 2012-12-05 | 姚宪平 | Composite cavity member |
| CN104265324A (en) * | 2014-08-06 | 2015-01-07 | 上海隧道工程有限公司 | Existing tunnel structure reinforced composite component reinforcing structure and construction method of existing tunnel structure reinforced composite component reinforcing structure |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401955A (en) * | 2015-11-30 | 2016-03-16 | 武汉大学 | Seepage-proofing bearing structure of soft soil pressure tunnel |
| CN106761812A (en) * | 2017-01-17 | 2017-05-31 | 铁道第三勘察设计院集团有限公司 | A kind of existing shield tunnel tunnel segment structure reinforcement means |
| CN106761812B (en) * | 2017-01-17 | 2019-05-17 | 中国铁路设计集团有限公司 | A kind of existing shield tunnel tunnel segment structure reinforcement means |
| CN108344638A (en) * | 2018-01-24 | 2018-07-31 | 浙江大学城市学院 | A kind of compound mortar reinforces the indoor test method of existing subway tunnel structure effect |
| CN108411806A (en) * | 2018-03-12 | 2018-08-17 | 华南理工大学 | A kind of structure and its installation method of reinforced steel concrete pipe culvert |
| CN108978620A (en) * | 2018-06-30 | 2018-12-11 | 李广军 | A kind of structure of shield end well head surrounding building foundation stabilization |
| 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 |
| CN110295924A (en) * | 2019-05-24 | 2019-10-01 | 同济大学 | A kind of shield tunnel ruggedized construction and construction method based on I-shaped steel plate |
| CN110295924B (en) * | 2019-05-24 | 2023-09-26 | 同济大学 | Shield tunnel reinforcing structure based on H-shaped steel plate and construction method |
| CN110259484A (en) * | 2019-05-27 | 2019-09-20 | 同济大学 | A kind of shield tunnel ruggedized construction and construction method based on Z bar plate |
| CN110259484B (en) * | 2019-05-27 | 2023-09-26 | 同济大学 | Shield tunnel reinforcing structure based on Z-shaped steel plate and construction method |
| CN110206564A (en) * | 2019-05-28 | 2019-09-06 | 同济大学 | A kind of shield tunnel ruggedized construction and construction method based on U-shaped steel plate |
| CN110206564B (en) * | 2019-05-28 | 2023-11-03 | 同济大学 | Shield tunnel reinforcing structure based on U-shaped steel plate and construction method |
| CN111706358A (en) * | 2020-05-11 | 2020-09-25 | 同济大学 | Tunnel bonded steel reinforcing method |
| CN113153360A (en) * | 2021-05-26 | 2021-07-23 | 中铁五局集团有限公司 | Reinforcing device for shield tunnel segment and construction method thereof |
| CN115263370A (en) * | 2022-06-30 | 2022-11-01 | 武汉容晟吉美科技有限公司 | Construction process for grouting of tunnel reinforcing steel ring sheet |
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