CN110397454A - The installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment - Google Patents
The installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment Download PDFInfo
- Publication number
- CN110397454A CN110397454A CN201910720032.1A CN201910720032A CN110397454A CN 110397454 A CN110397454 A CN 110397454A CN 201910720032 A CN201910720032 A CN 201910720032A CN 110397454 A CN110397454 A CN 110397454A
- Authority
- CN
- China
- Prior art keywords
- steelframe
- arch
- section
- heavy
- wall
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000007921 spray Substances 0.000 claims abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 210000003205 muscle Anatomy 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 33
- 239000011435 rock Substances 0.000 description 11
- 239000003245 coal Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (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 present invention provides a kind of installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment, comprising: S1) concrete of the first given thickness of first spray on the arch wall to supporting section of tunnel deformation segment；S2) along longitudinal installation site for going out multiple heavy steelframes to fixed spacing setting-out according to first to supporting section；S3) assembled arch steelframe section, and arch steelframe section is jacked to the arch wall arch to installation site；S4 abutment wall steelframe section) is installed on the arch wall abutment wall of installation site, and connects abutment wall steelframe section and arch steelframe section, forms heavy steelframe；S5 the heavy steelframe of adjacent two) is connected；S6 more foot anchor tubes, fixing lock foot anchor tube and heavy steelframe) are performed at the arch springing close to heavy steelframe.The installation method by by heavy steelframe arch steelframe section and abutment wall steelframe section be separately mounted to specified installation site, facilitate construction personnel's installation, adjustment, improve the installation speed of heavy steelframe, and then improve the efficiency of entire tunnel support construction.
Description
Technical field
The present invention relates to technical field of tunnel construction, and in particular, to when one kind changes supporting suitable for tunnel deformation segment
The installation method of arch wall heavy type steelframe.
Background technique
Tunnel coal measure strata anticlinal nucleus rock stratum is slow to incline, rock stratum is weak, by factors shadows such as construction high-ground stress, hole group's effects
It rings and soft rock large deformation occurs, even if main tunnel is using the large deformation A type lining cutting after optimization, III type of large deformation lining in construction early period
It builds, puts down to lead and excavated not applying the floor section just measures such as Zhi Zengshe inverted arch steelframe progress strengthening supporting, the part paragraph in tunnel
Still by serious deformation failure, there is the short abutment wall cracking of just branch chip off-falling, steelframe torsional deformation, inverted arch, lining concrete
Phenomena such as peeling off chip off-falling and bar bending, inverted arch tunnel bottom protuberance.In order to guarantee tunnel support structure and construction safety, guarantee secondary
The design thickness that village is built must carry out soft rock large deformation Duan Chuzhi to remove and country rock digs, while perform and meeting safety requirements
New supporting structure system, the integrated treatments measures such as the double-deck supporting proposed according to designing unit, circular liner are constructed.
Again the construction speed in entire tunnel certainly will be will affect by performing new supporting construction to deformation section, especially entirely propped up
Steelframe can be largely installed to ensure the supporting intensity of entire supporting construction in protection structure, therefore the installation effectiveness for improving steelframe has
Conducive to the construction efficiency for improving entire new supporting structure system, in the prior art, the installation of arch wall steelframe is needed using segmentation installation
Several construction personnel's coordinating operations, construction efficiency is low and labor intensity is big, therefore, needs a kind of installation side of arch wall steelframe
Method to improve the installation speed of arch wall steelframe, and then improves the construction efficiency of entire tunnel support process.
Summary of the invention
The object of the present invention is to provide it is a kind of change supporting suitable for tunnel deformation segment when arch wall heavy type steelframe installation side
Method carries out arch wall heavy type in the work progress of supporting again to deformation section after soft rock large deformation occurs for coal measure strata for solving
The low problem of steelframe installation effectiveness to improve the installation speed of arch wall heavy type steelframe, and then improves the construction efficiency in entire tunnel.
To achieve the goals above, the embodiment of the present invention provides arch wall weight when one kind changes supporting suitable for tunnel deformation segment
The installation method of shaped steel frame, the installation method include: S1) on the arch wall to supporting section of tunnel deformation segment just spray first to
Determine the concrete of thickness；S2) along longitudinal peace for going out multiple heavy steelframes to fixed spacing setting-out according to first to supporting section
Holding position；S3) assembled heavy steelframe is mounted on the arch steelframe section of the arch wall arch to supporting section, and by the arch steelframe section
The arch wall arch to supporting section in each installation site to the first pneumatically placed concrete that reclines is jacked according to specified sequence；
S4 the arch wall abutment wall to supporting section after first pneumatically placed concrete that) reclines in each installation site, which is installed in heavy steelframe, to be installed
It is connected in the abutment wall steelframe section of the arch wall abutment wall to supporting section, and by the abutment wall steelframe section with corresponding arch steelframe section, shape
At heavy steelframe；S5 longitudinally connected muscle and connection steelframe are performed between adjacent two heavy steelframes) to connect adjacent two
A heavy type steelframe；S6 more lock foot anchor tubes) are performed close to each heavy steelframe at the arch springing to supporting section, by institute
State lock foot anchor tube and corresponding heavy steelframe fixation.
Specifically, step S3) in, the arch steelframe section of the arch wall arch to supporting section is mounted in assembled heavy type steelframe,
And by the arch steelframe section according to specified sequence jack in each installation site to the first pneumatically placed concrete that reclines to
The arch wall arch of supporting section, comprising: the arch steelframe section is assembled into using multistage fashioned iron section；According to specified sequence, arch is utilized
Frame installs trolley for the arch to supporting section after the first pneumatically placed concrete that reclines in arch steelframe section jacking to the installation site
Wall arch.
Specifically, described first give fixed spacing between 0.5m-0.8m.
Specifically, the installation method further includes step S4) later and before step S5), in the heavy type of erection
Steelframe and described to give fixed spacing to wedge multiple wedge blocks according to second along the profile of the steelframe between supporting section arch wall.
Specifically, described second give fixed spacing between 1.8m-2.5m.
Specifically, step S6) in, by the lock foot anchor tube and corresponding heavy steelframe fixation, comprising: use L-type
Reinforcing bar side welds the lock foot anchor tube and the corresponding heavy steelframe.
Specifically, the installation method further includes after step S6), spraying again on the arch wall to supporting section
The concrete of two given thickness.
The present invention provides a kind of installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment, the installation
Method digs out after supporting section in tunnel deformation segment, and just pneumatically placed concrete closes the arch to supporting section on the arch wall to supporting section
Wall metope has simultaneously filled and led up the pit on arch wall metope conveniently to the subsequent supporting construction on supporting section arch wall, mixes later in first spray
The installation site that setting-out on the arch wall to supporting section of soil goes out multiple heavy steelframes is coagulated, arch wall arch will be mounted in heavy steelframe
Arch steelframe section jack to the arch wall arch in specified installation site, the abutment wall steelframe that will be mounted on arch wall abutment wall later
Section is placed on the corresponding abutment wall of the installed position, arch steelframe section is fixedly connected with abutment wall steelframe section, in the installation position
It sets place and forms heavy steelframe, in order to make entirely to be connected to the heavy steelframe of supporting section, strengthen the supporting construction to supporting section
Supporting intensity, adjacent heavy steelframe is fixedly connected with connection steelframe by longitudinal connecting member muscle, finally makes multiple heavy types
Steelframe interconnection is integrally formed, and in order to make heavy steelframe and be connected as entirety to supporting section country rock, more are performed at arch springing
Foot anchor tube, and foot anchor tube and corresponding heavy steelframe fixation will be locked.
Installation method provided by the invention, by by heavy steelframe arch steelframe section and abutment wall steelframe section separately hang
Onto specified installation site, construction personnel's construction and installation are facilitated, improve the installation speed of heavy steelframe, and then are improved
The construction efficiency in entire tunnel.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment that embodiment of the present invention provides
The flow chart of installation method.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually needle
For direction shown in the drawings either for it is vertical, on vertical or gravity direction for each component mutual alignment relation
Word is described.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment of the present invention provides a kind of installation side of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment
Method, Fig. 1 are a kind of installation method flow chart of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment, as shown in Figure 1,
The installation method includes: S1) concrete of the first given thickness of first spray on the arch wall to supporting section of tunnel deformation segment；
S2) along longitudinal installation site for going out multiple heavy steelframes to fixed spacing setting-out according to first to supporting section；S3) assembled weight
The arch steelframe section of the arch wall arch to supporting section is mounted in shaped steel frame, and by the arch steelframe section according to specified sequence top
Rise to the arch wall arch to supporting section in each installation site after reclining first pneumatically placed concrete；S4) in each peace
The arch wall abutment wall to supporting section after first pneumatically placed concrete that reclines on holding position installs the arch being mounted in heavy steelframe to supporting section
The abutment wall steelframe section of wall abutment wall, and the abutment wall steelframe section is connected with corresponding arch steelframe section, form heavy steelframe；S5)
Longitudinally connected muscle is performed between adjacent two heavy steelframes and connects steelframe to connect the heavy steelframe of adjacent two；S6)
Perform more lock foot anchor tubes close to each heavy steelframe at the arch springing to supporting section, by the lock foot anchor tube with it is right
The heavy steelframe fixation answered.
The installation method provided by the invention for being suitable for arch wall heavy type steelframe when tunnel deformation segment changes supporting, is removing tunnel
It is radially digged after original supporting of road deformation section and to the tunnel construction sections for removing original supporting, digs designated depth and formed
To supporting section, to pneumatically placed concrete at the beginning of the arch wall to supporting section, the given thickness of the first of first pneumatically placed concrete is not less than 4cm, by first
Pneumatically placed concrete closes the arch wall metope to supporting section and fills and leads up the pit on arch wall metope, in the first pneumatically placed concrete of completion to supporting
Setting-out goes out the installation site of heavy steelframe on the arch wall of section, and the arch steelframe section that arch wall arch is mounted in heavy steelframe is jacked
Abutment wall steelframe section is placed on the abutment wall of the installation site by the arch wall arch on to specified installation site later, by the peace
Arch steelframe section at holding position is fixedly connected with abutment wall steelframe section, forms the heavy steelframe agreed with the arch wall to supporting section,
In practice of construction, reinforced mesh is laid with to enhance on the arch wall wall to supporting section between adjacent two heavy steelframes
The anti-crack ability of the subsequent concrete being sprayed on arch wall wall will be adjacent in order to enhance the supporting intensity of multiple heavy steelframes
Two heavy steelframes by longitudinally connected muscle and connect steelframe and be fixedly connected, it is whole for being interconnected into multiple heavy type steelframes
Body is applied at the arch springing of the installation site locating for each heavy steelframe to fix heavy steelframe to the position in supporting section
More lock foot anchor tubes are done, and by more lock foot anchor tubes and corresponding heavy steelframe fixation, make heavy-duty steel by locking foot anchor tube
Frame is fixedly connected integrally with country rock, installation method provided by the invention, and heavy steelframe is divided into arch steelframe section and abutment wall steel
Frame section two parts are installed, and installation difficulty can be reduced, and staff is facilitated to install arch steelframe section and abutment wall steelframe section
To specified installation site, the installation speed of heavy steelframe is improved, and then improves the construction efficiency in entire tunnel.
In one embodiment, it after soft rock large deformation occurs for coal measure strata, removes after original supporting to removing original supporting
Tunnel construction sections digged, dig and formed after designated depth to supporting section, can be first when supporting section performs supporting construction
Two layers of supporting construction is performed in phase supporting, and heavy steelframe is made using the fashioned iron of different model in each layer of supporting construction,
For example, selecting HW200 fashioned iron that supporting steelframe of the heavy steelframe as wherein one layer of supporting construction is made, when setting up heavy steelframe
It is mounted on the arch steelframe section of arch wall arch using arch installation trolley elder generation assembly, later jacks arch steelframe section onto arch wall
The arch wall arch of specified installation site, the abutment wall steelframe section in heavy steelframe are lifted using 8t special purpose vehicle to arch wall abutment wall,
After the completion of abutment wall steelframe section is placed, arch steelframe section and abutment wall steelframe section are fixedly connected to form heavy steelframe, in heavy-duty steel
After frame is set up, it is laid with reinforced mesh on the arch wall wall between adjacent two heavy steelframes, by two adjacent weights
Shaped steel frame is connected and fixed using longitudinally connected muscle and connection steelframe, later by heavy steelframe and close to the lock of heavy-duty steel frame setting
Foot anchor tube fixation.
Profile in order to facilitate steelframe and arch agrees with, and the heavy type steelframe includes and the arch wall arch to supporting section
The arch steelframe section mutually agreed with and the two abutment wall steelframe sections mutually agreed with two abutment walls of the arch wall to supporting section, two
The abutment wall steelframe section is fixedly connected to form heavy steelframe with the arch steelframe section respectively.
In one embodiment, in order to which efficiently heavy steelframe is installed in the installation site of setting-out, specifically, step
S3 in), assembled heavy type steelframe is mounted on the arch steelframe section of the arch wall arch to supporting section, and by the arch steelframe section according to
Specified sequence is jacked to the arch wall arch to supporting section in each installation site after the first pneumatically placed concrete that reclines, comprising:
The arch steelframe section is assembled into using multistage fashioned iron section；According to specified sequence, trolley is installed by the arch steel using arch
Frame section jacks the arch wall arch to supporting section after reclining first pneumatically placed concrete in the installation site.Using fashioned iron section be assembled into
The arch steelframe section that arch wall arch shape is agreed with, using arch installation trolley by assembled good arch steelframe section fast and accurately
Arch steelframe section and abutment wall steelframe section are installed separately, facilitate construction by the arch wall arch for jacking specified installation site, can
Improve the installation speed of heavy steelframe.
Specifically, the installation method further includes step S4) later and before step S5), in the heavy type of erection
Multiple wedges are wedged to fixed spacing according to second along the profile of the heavy steelframe between steelframe and the arch wall to supporting section
Tight block.Iron block or concrete precast block production can be selected in the wedge block.
Specifically, described first give fixed spacing between 1.8m-2.5m between 0.5m-0.8m, described second to fixed spacing.It is excellent
Selection of land, first spacing are 0.6m, set 0.6m for the first spacing between heavy steelframe, make finally formed supporting knot
The supporting intensity of structure meets requirement, and not will cause the waste of material；Preferably, the second spacing is 2m, can be in heavy type
Excellent support is formed between steelframe and arch wall.
In one embodiment, when fixed heavy steelframe is with lock foot anchor tube, specifically, step S6) in, by the lock foot
Anchor tube and corresponding heavy steelframe fixation, comprising: the lock foot anchor tube and the corresponding heavy type are welded using L-type steel muscle side
Steelframe.In another embodiment, fixed heavy steelframe and lock foot anchor tube by the way of reinforcing bar binding.
Specifically, the installation method further includes after step S6), spraying again on the arch wall to supporting section
The concrete of two given thickness.After it will lock foot anchor tube and corresponding heavy steelframe fixation, the multiple pneumatically placed concrete on arch wall,
The reinforced mesh of heavy steelframe and laying is completely covered in the concrete sprayed again, after the concrete has set, concrete, heavy steelframe and
Reinforced mesh forms unified support system to resist the pressure from country rock, prevents the generation again of deformation.
The present invention provides a kind of installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment, the installation
Method digs out after supporting section in tunnel deformation segment, and just pneumatically placed concrete closes the arch to supporting section on the arch wall to supporting section
Wall metope has simultaneously filled and led up the pit on arch wall metope conveniently to the subsequent supporting construction on supporting section arch wall, mixes later in first spray
The installation site that setting-out on the arch wall to supporting section of soil goes out multiple heavy steelframes is coagulated, arch wall arch will be mounted in heavy steelframe
Arch steelframe section jack to the arch wall arch in specified installation site, the abutment wall steelframe that will be mounted on arch wall abutment wall later
Section is placed on the corresponding abutment wall of the installed position, arch steelframe section is fixedly connected with abutment wall steelframe section, in the installation position
It sets place and forms heavy steelframe, in order to make entirely to be connected to the heavy steelframe of supporting section, strengthen the supporting construction to supporting section
Supporting intensity, adjacent heavy steelframe is fixedly connected with connection steelframe by longitudinal connecting member muscle, finally makes multiple heavy types
Steelframe interconnection is integrally formed, and in order to make heavy steelframe and be connected as entirety to supporting section country rock, more are performed at arch springing
Foot anchor tube, and foot anchor tube and corresponding heavy steelframe fixation will be locked.
Installation method provided by the invention, by by heavy steelframe arch steelframe section and abutment wall steelframe section separately hang
Onto specified installation site, construction personnel's construction and installation are facilitated, improve the installation speed of heavy steelframe, and then are improved
The construction efficiency in entire tunnel.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment, which is characterized in that the peace
Dress method includes:
S1 the concrete of the first given thickness) is just sprayed on the arch wall to supporting section of tunnel deformation segment；
S2) along longitudinal installation site for going out multiple heavy steelframes to fixed spacing setting-out according to first to supporting section；
S3) assembled heavy steelframe is mounted on the arch steelframe section of the arch wall arch to supporting section, and the arch steelframe section is pressed
The arch wall arch to supporting section in each installation site to the first pneumatically placed concrete that reclines is jacked according to specified sequence；
S4 the arch wall abutment wall to supporting section after first pneumatically placed concrete that) reclines in each installation site is installed in heavy steelframe
It is mounted on the abutment wall steelframe section of the arch wall abutment wall to supporting section, and by the abutment wall steelframe section and corresponding arch steelframe Duan Lian
It connects, forms heavy steelframe；
S5 longitudinally connected muscle and connection steelframe are performed between adjacent two heavy steelframes) to connect two adjacent heavy-duty steels
Frame；
S6 more lock foot anchor tubes) are performed close to each heavy steelframe at the arch springing to supporting section, by the lock foot
Anchor tube and corresponding heavy steelframe fixation.
2. installation method according to claim 1, which is characterized in that step S3) in, assembled heavy type steelframe is mounted on wait prop up
The arch steelframe section of the arch wall arch of section is protected, and the arch steelframe section is jacked according to specified sequence to the just pneumatically placed concrete that reclines
The arch wall arch to supporting section in each installation site afterwards, comprising:
The arch steelframe section is assembled into using multistage fashioned iron section；
According to specified sequence, the arch steelframe section is jacked into the just spray that reclines in the installation site using arch installation trolley and is mixed
The arch wall arch to supporting section after solidifying soil.
3. installation method according to claim 1, which is characterized in that described first gives fixed spacing between 0.5m-0.8m.
4. installation method according to claim 1, which is characterized in that the installation method further includes step S4) after and
Before step S5), along the heavy steelframe between the heavy steelframe of erection and the arch wall to supporting section
Profile wedges multiple wedge blocks to fixed spacing according to second.
5. installation method according to claim 4, which is characterized in that described second gives fixed spacing between 1.8m-2.5m.
6. installation method according to claim 1, which is characterized in that step S6) in, by the lock foot anchor tube with it is corresponding
Heavy steelframe fixation, comprising:
The lock foot anchor tube and the corresponding heavy steelframe are welded using L-type steel muscle side.
7. installation method according to claim 1, which is characterized in that the installation method further includes, step S6) it
Afterwards, the concrete of the second given thickness is sprayed again on the arch wall to supporting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720032.1A CN110397454A (en) | 2019-08-06 | 2019-08-06 | The installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720032.1A CN110397454A (en) | 2019-08-06 | 2019-08-06 | The installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110397454A true CN110397454A (en) | 2019-11-01 |
Family
ID=68327577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910720032.1A Pending CN110397454A (en) | 2019-08-06 | 2019-08-06 | The installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110397454A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536250A (en) * | 2010-12-31 | 2012-07-04 | 中铁二局股份有限公司 | Construction method for tunnels with karst and gas simultaneously |
-
2019
- 2019-08-06 CN CN201910720032.1A patent/CN110397454A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536250A (en) * | 2010-12-31 | 2012-07-04 | 中铁二局股份有限公司 | Construction method for tunnels with karst and gas simultaneously |
Non-Patent Citations (4)
| Title |
|---|
| 刘小硕: "隧道软弱围岩拆换拱的施工技术研究", 《太原城市职业技术学院学报》 * |
| 王少宏: "两水隧道衬砌全断面拆换施工技术与风险控制", 《铁道建筑》 * |
| 祁雪峰: "对富水粉细砂地层隧道初期支护拆换处理技术的研究", 《价值工程》 * |
| 贺冠军: "大梁隧道高地应力段拆换拱施工方案研究", 《铁道建筑技术》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108278115A (en) | A kind of three step Rapid Construction of Tunnels method of big arch springing and structure based on pre-timbering with tubular prop | |
| CN106761769A (en) | A kind of construction technology of big cross section large-deformation tunnel in soft rock | |
| CN106194196B (en) | A kind of large-scale karst cave treatment crossing tunnel trunk and excavation method | |
| CN107100653A (en) | A kind of flat top wall pipe curtain structure builds the construction method of super Shallow Covered Metro Station | |
| CN101864963A (en) | Large-section loess tunnel construction method | |
| CN104329095B (en) | A kind of existing tunnel Widening Construction method | |
| CN104533446A (en) | Construction method and structure of two-layer preliminary support for preventing geological disaster of large-section weak surrounding rock tunnel | |
| CN105696602A (en) | Composite pile-anchor supporting method and structure for deepening excavation | |
| CN104775830B (en) | Expansive soil tunnel arch wall primary support construction method | |
| CN102536273A (en) | One-step forming construction method for 26m large-span space | |
| CN105545323A (en) | Construction method for open cut tunnel lining | |
| CN106246192A (en) | Large-scale karst cave treatment under a kind of tunnel basis and base plate and tunnel excavation method | |
| CN207892615U (en) | A kind of three step Rapid Construction of Tunnels structure of big arch springing based on pre-timbering with tubular prop | |
| CN109505609A (en) | Shallow buried covered excavation Urban Underground pipe gallery non-stand construction method and pipe gallery | |
| CN109403985A (en) | The gate-type of pole weak broken wall rock layer is caunched engineering method | |
| CN208267862U (en) | A kind of bracing means at tunnel road surface crack | |
| CN110486034A (en) | Subway station and construction method based on pile foundation in four pilot tunnel of single layer and middle drift | |
| CN109610466A (en) | The asynchronous construction method of the built irregular deep basal pit in subway station two sides and structure | |
| KR101479267B1 (en) | Method for constructing tunnel by using pipe | |
| CN208578574U (en) | A kind of nine supporting construction of double -side approach | |
| CN109083660A (en) | Soft Rock Roadway (tunnel) road pucking based on armored concrete bottom beam administers supporting construction and method | |
| CN110397454A (en) | The installation method of arch wall heavy type steelframe when changeing supporting suitable for tunnel deformation segment | |
| CN108868826B (en) | Construction method of ribbed primary support structure of tunnel water burst section | |
| CN105863649A (en) | Underground space construction technique adopting underground excavation and causing little ruin to land surface | |
| CN110219657A (en) | Processing method after the main tunnel large deformation of coal measure strata tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |
|
| RJ01 | Rejection of invention patent application after publication |