CN109723445A - Parallel three steps full section of tunnel entirety driving method - Google Patents
Parallel three steps full section of tunnel entirety driving method Download PDFInfo
- Publication number
- CN109723445A CN109723445A CN201910103089.7A CN201910103089A CN109723445A CN 109723445 A CN109723445 A CN 109723445A CN 201910103089 A CN201910103089 A CN 201910103089A CN 109723445 A CN109723445 A CN 109723445A
- Authority
- CN
- China
- Prior art keywords
- arch
- tunnel
- parallel
- steps
- support
- 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.)
- Granted
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of parallel three steps full section of tunnel entirety driving methods, include the following steps, top bar, middle step, synchronous drilling of getting out of a predicament or an embarrassing situation first, synchronous explosion, middle step and left and right sides synchronous construction of getting out of a predicament or an embarrassing situation, vehicle driving passage is by boring the synchronous drillhole blasting of quick-fried rack among step, after every circulation is slagged tap, finishing reserves vehicle driving passage, tunnel inverted arch fill part sublevel drive excavation construction, piecewise excavation supporting steel arch-shelf；After the bench blasting of upper, middle and lower, drag-out slag car fast slag tapping, and up/down steps connection vehicle driving passage is modified, to facilitate vehicle pass-through.Present apparatus simple structure, in tunnel excavation driving, tunnel excavation face meets code requirement away from lining cutting distance, using this method, three step parallel synchronous are promoted, and use tunnel quick supporting method, both it ensure that safety, also ensure construction speed, realize tunnel fast and safe construction.
Description
Technical field
The present invention relates to constructing tunnel field, specifically a kind of parallel three steps full section of tunnel entirety driving method.
Background technique
With the construction of urban infrastructure, large quantities of Tunnel Engineering start to build, and at this stage, tunnel construction mostly uses
The construction methods such as drilling and blasting method, TBM drivage method and shield method.But because of cost factor, using construction technology habituation, drilling and blasting method mostly by
Using.Currently, a variety of methods such as tunneling boring, benching tunnelling method, partial excavation method can be used in drilling and blasting method, tunneling boring and benching tunnelling method are suitable for
The harder tunnel excavation construction of country rock, partial excavation fado are constructed suitable for Support System in Soft Rock Tunnels engineering excavation, general tunneling boring
Speed of application is very fast, and partial excavation method construction driving speed is slower, influences Tunnel Construction Schedule, therefore, need to be directed to weak surrounding rock
Develop a kind of speedy drivage excavation construction method.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of parallel three steps full section of tunnel entirety driving method, three
Step parallel synchronous promotes, and uses tunnel quick supporting method, both ensure that safety, also ensures construction speed, realizes
Tunnel fast and safe construction.
A kind of parallel three steps full section of tunnel entirety driving method of the invention, the following steps are included:
Step 1: top bar, middle step, synchronous drilling of getting out of a predicament or an embarrassing situation, synchronous explosion, middle step and the left and right sides of getting out of a predicament or an embarrassing situation are same
Construction is walked, vehicle driving passage synchronizes drillhole blasting by boring quick-fried rack among step, and after every circulation is slagged tap, it is logical that finishing reserves garage
Road, tunnel inverted arch fill part sublevel drive excavation construction, piecewise excavation supporting steel arch-shelf；
Step 2: after the bench blasting of upper, middle and lower, drag-out slag car fast slag tapping, and up/down steps connection vehicle driving passage is modified,
To facilitate vehicle pass-through；
Step 3: upper, middle and lower step synchronous construction supporting steel arch-shelf, using supporting steel arch-shelf mounting device and arch branch
Support arrangement Fast Installation supporting arch, middle step and get out of a predicament or an embarrassing situation supporting arch when first upper middle step arch support device is removed,
Installation arch is aligned with earlier construction section afterwards, fixation；
Step 4: upper, middle and lower step applies preliminary bracing anchor spraying concrete；
Step 5: repeating the above steps, set of tunneling construction is pushed ahead, when reaching inverted arch and applying segment length, excavation is faced upward
Arch, applies inverted arch fill concrete, until tunnel is completed.
Further, tunnel support arch frame is divided into more piece precast splice type structure, by the merogenesis of three step heights design arch
Length, and divide step to install with construction.
Further, top bar arch be divided into top arch section and two sides arch section, totally three sections, in, arch two sides abutment wall of getting out of a predicament or an embarrassing situation
Each one section, inverted arch is one section, and tunnel loopful supporting steelframe is divided into nine sections.
Further, the arch mounting device include walk driving and be arranged in it is described walk driving on mechanical gripper.
Further, the arch support device include pedestal, shell support frame, steelframe support backing plate, telescopic supporting rod and
Pedestal fixed feet, steelframe support backing plate are arranged in the top of pedestal by shell support frame, and by telescopic supporting rod and
The bottom of pedestal is arranged in pedestal connection, the pedestal fixed feet.
Further, the telescopic supporting rod is hydraulic telescopic rod or bolt telescopic rod.
Further, it is described bore quick-fried rack include load bearing support bar, supporting linkage, longitudinal support beam, protection job platform,
Extension folding device and rack running gear, the protection job platform is horizontally disposed and is supported by load bearing support bar, described
Supporting linkage is foldable connecting rod, is connected between two load bearing support bar transverse directions by supporting linkage and by flexible folding
Stacking device can be laterally folded, and the longitudinal support beam is longitudinally disposed between two load bearing support bars, and the rack walks luggage
It installs in the lower end of load bearing support bar.
Further, the front end and two sides of the protection job platform are provided with protective plate, and the protective plate and protection are made
Industry platform is hinged, can be folded down to form shield.
Further, the protection job platform is from lower layer to upper layer successively by load-bearing shape steel support, steel mesh, rubber
Plate, fireproofing and heat resistant plate and job platform board group at.
Further, it is provided with trestle above tunnel inverted arch fill concrete top surface and excavation arch section, the trestle is removable
Ejector half steel truss.
Beneficial effects of the present invention: present apparatus simple structure, in tunnel excavation driving, to ensure safety, tunnel excavation
Face meets the poor situation of code requirement, especially geological conditions away from lining cutting distance, also strictly meets standard requirements using this
Method, three step parallel synchronous promote, and use tunnel quick supporting method, both ensure that safety, also ensure construction speed,
Realize tunnel fast and safe construction.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is three bench excavation branch schematic diagram of tunnel of the present invention；
Fig. 2 is three step supporting steel arch-shelf stepwise schematic views of tunnel of the present invention；
Fig. 3 is the structural schematic diagram of three step arch mounting device of tunnel of the present invention；
Fig. 4 is the structural schematic diagram of three step arch support device of tunnel of the present invention；
Fig. 5 is the structural schematic diagram that three bench excavation of tunnel of the present invention bores quick-fried rack；
Fig. 6 is the structural schematic diagram that industry platform is used in three step of tunnel of the present invention protection.
Specific embodiment
Fig. 1 is three bench excavation branch schematic diagram of tunnel of the present invention, and Fig. 2 is three step supporting steel arch-shelf of tunnel of the present invention point
Section schematic diagram, Fig. 3 are the structural schematic diagram of three step arch mounting device of tunnel of the present invention, and Fig. 4 is three step of tunnel of the present invention
The structural schematic diagram of arch support device, Fig. 5 are the structural schematic diagram that three bench excavation of tunnel of the present invention bores quick-fried rack, and Fig. 6 is
Three step of the tunnel protection of the present invention structural schematic diagram of industry platform.A kind of parallel three steps full section of tunnel of the invention is integrally dug
Into method, the following steps are included:
Step 1: top bar 1, middle step 2,3 synchronous drillings of getting out of a predicament or an embarrassing situation, synchronous explosion and gets out of a predicament or an embarrassing situation 3 or so at middle step 2
Two sides synchronous construction, step centre vehicle driving passage 4 is by boring the synchronous drillhole blasting of quick-fried rack, after every circulation is slagged tap, modifies reserved
Vehicle driving passage 4 out, tunnel inverted arch fill part sublevel drive excavation construction, piecewise excavation supporting steel arch-shelf；
Step 2: after the bench blasting of upper, middle and lower, drag-out slag car fast slag tapping, and up/down steps connection vehicle driving passage is modified,
To facilitate vehicle pass-through；
Step 3: upper, middle and lower step synchronous construction supporting steel arch-shelf, using supporting steel arch-shelf mounting device and arch branch
Support arrangement Fast Installation supporting arch, middle step 2 and get out of a predicament or an embarrassing situation 3 supporting arch when first upper middle step arch support device is taken
Under, rear arch of installing is aligned with earlier construction section, fixation；
Step 4: upper, middle and lower step applies preliminary bracing anchor spraying concrete；
Step 5: repeating the above steps, set of tunneling construction is pushed ahead, when reaching inverted arch and applying segment length, excavation is faced upward
Arch, applies inverted arch fill concrete, until tunnel is completed.
In the present embodiment, tunnel support arch frame is divided into more piece precast splice type structure, by three step heights design arch
Merogenesis length, and divide step to install with construction.
In the present embodiment, top bar arch be divided into top arch section and two sides arch section, totally three sections, in, arch two sides of getting out of a predicament or an embarrassing situation
Each one section of abutment wall, i.e., in side section 21 and lower lateral section 31, including top arch section 11 and two sides encircle section 12, and inverted arch is one section, i.e. inverted arch
Section 5, tunnel loopful supporting steelframe is divided into nine sections.
In the present embodiment, the arch mounting device include walk driving 6 and be arranged in it is described walk driving 6 on mechanical gripper
7.Mechanical gripper 7 by several collapsible arms be arranged walk driving 6 on, mechanical gripper 7 be the prior art, such as application No. is
201621400407.4 a kind of disclosed mechanical gripper, can be used for grabbing steelframe.
In the present embodiment, the arch support device includes pedestal 9, shell support frame 10, steelframe support backing plate 11, stretches
The top of pedestal 9 is arranged in by shell support frame 10 for support rod 12 and pedestal fixed feet 13, the steelframe support backing plate 11, and
It is connect by telescopic supporting rod 12 with pedestal 9, the bottom of pedestal 9 is arranged in the pedestal fixed feet 13.Telescopic supporting rod 12 is used
It is moved up and down in driving steelframe support backing plate 11, the mounting groove of fixed steel arch-shelf is provided on steelframe support backing plate 11, for pushing up
Compact schemes steel arch-shelf, shell support frame 10 use the stretching structure of outer tube and inner tube, and outer tube is connect with pedestal 9, and inner tube is scalable
Ground is arranged in outer tube, and backing plate 11 can be supported to move up and down with steelframe.The pedestal 9 of arch support device is ellipse, with
Facilitate scaffold, its underpart is equipped with pedestal fixed feet 13, and totally three, lower end is triangular in shape, and pedestal fixed feet 13 can be fixed on
It excavates on scar.
In the present embodiment, the telescopic supporting rod 12 is hydraulic telescopic rod or bolt telescopic rod.
In the present embodiment, the quick-fried rack of brill includes load bearing support bar 14, supporting linkage 15, longitudinal support beam, protection
Job platform 16, extension folding device 17 and rack running gear 18, the protection job platform 16 are horizontally disposed and by holding
Weight support rod 14 supports, and the supporting linkage 15 is foldable connecting rod, passes through branch between two 14 transverse directions of load bearing support bar
Support connecting rod 15 connects and can be laterally folded by extension folding device 17, it will be understood that in a longitudinal direction, longitudinal support beam
Longitudinally disposed the rack running gear 18 uses idler wheel between two load bearing support bars 14, is arranged in load bearing support bar
14 lower end, to facilitate frame body mobile.Using foldable connecting rod, make frame body laterally shrinkable volume, is led to facilitating in tunnel
Row, when frame body stretches, transverse support bar 42 is in flat, and frame body forms spatial stability stress support frame.
In the present embodiment, the front end and two sides of the protection job platform 16 are provided with protective plate, and two sides are protective plate
19, the protective plate and protection job platform 16 are hinged, can be folded down to form shield, to before protection job platform 16,
Upper, four sides in left and right are protected, when preventing tunnel tunnel face explosion, damage of the boring mud slungshot to quick-fried rack is bored.
In the present embodiment, the protection job platform 16 is from lower layer to upper layer successively by load-bearing shape steel support 161, reinforcing bar
Net 162, rubber slab 163, fireproofing and heat resistant plate 164 and operation horizontal platen 165 form.
In the present embodiment, trestle 20, the trestle are provided with above tunnel inverted arch fill concrete top surface and excavation arch section
20 be movable-type steel truss.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. parallel three steps full section of tunnel entirety driving method, which comprises the following steps:
Step 1: top bar, middle step, synchronous drilling of getting out of a predicament or an embarrassing situation, synchronous explosion, middle step and the left and right sides of getting out of a predicament or an embarrassing situation synchronize and apply
Work, step centre vehicle driving passage are modified after every circulation is slagged tap by boring the synchronous drillhole blasting of quick-fried rack and reserve vehicle driving passage,
Tunnel inverted arch fill part sublevel drive excavation construction, piecewise excavation supporting steel arch-shelf；
Step 2: after the bench blasting of upper, middle and lower, drag-out slag car fast slag tapping, and up/down steps connection vehicle driving passage is modified, with side
Just vehicle pass-through；
Step 3: upper, middle and lower step synchronous construction supporting steel arch-shelf, using supporting steel arch-shelf mounting device and arch support dress
Set Fast Installation supporting arch, middle step and get out of a predicament or an embarrassing situation supporting arch when first upper middle step arch support device is removed, it is rear to pacify
Dress arch is aligned with earlier construction section, fixation；
Step 4: upper, middle and lower step applies preliminary bracing anchor spraying concrete；
Step 5: repeating the above steps, set of tunneling construction is pushed ahead, when reaching inverted arch and applying segment length, inverted arch is excavated, applies
Make inverted arch fill concrete, until tunnel is completed.
2. parallel three steps full section of tunnel entirety driving method according to claim 1, which is characterized in that tunnel support
Arch is divided into more piece precast splice type structure, by the merogenesis length of three step heights design arch, and divides step to install with construction.
3. parallel three steps full section of tunnel entirety driving method according to claim 2, which is characterized in that top bar arch
Frame be divided into top arch section and two sides arch section, totally three sections, in, get out of a predicament or an embarrassing situation each one section of arch two sides abutment wall, inverted arch be one section, tunnel is complete
Ring supporting steelframe, is divided into nine sections.
4. parallel three steps full section of tunnel entirety driving method according to claim 1, which is characterized in that the arch
Mounting device include walk driving and be arranged in it is described walk driving on mechanical gripper.
5. parallel three steps full section of tunnel entirety driving method according to claim 1, which is characterized in that the arch
Support device includes pedestal, shell support frame, steelframe support backing plate, telescopic supporting rod and pedestal fixed feet, the steelframe support
The top of pedestal is arranged in by shell support frame for backing plate, and is connect by telescopic supporting rod with pedestal, the pedestal fixed feet
The bottom of pedestal is set.
6. parallel three steps full section of tunnel entirety driving method according to claim 5, which is characterized in that described flexible
Support rod is hydraulic telescopic rod or bolt telescopic rod.
7. parallel three steps full section of tunnel entirety driving method according to claim 1, which is characterized in that the brill is quick-fried
Rack includes load bearing support bar, supporting linkage, longitudinal support beam, protection job platform, extension folding device and rack traveling
Device, the protection job platform is horizontally disposed and is supported by load bearing support bar, and the supporting linkage is foldable connection
Bar, passes through supporting linkage connection between two load bearing support bar transverse directions and can be laterally folded by extension folding device, described
Longitudinal support beam is longitudinally disposed between two load bearing support bars, and the rack running gear is arranged under load bearing support bar
End.
8. parallel three steps full section of tunnel entirety driving method according to claim 7, which is characterized in that the protection
The front end and two sides of job platform are provided with protective plate, and the protective plate and protection job platform are hinged, can be folded down shape
At shield.
9. parallel three steps full section of tunnel entirety driving method according to claim 7, which is characterized in that the protection
Job platform is from lower layer to upper layer successively by load-bearing shape steel support, steel mesh, rubber slab, fireproofing and heat resistant plate and operation horizontal platen
Composition.
10. parallel three steps full section of tunnel entirety driving method according to claim 1, which is characterized in that face upward in tunnel
It is provided with trestle above arch fill concrete top surface and excavation arch section, the trestle is movable-type steel truss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103089.7A CN109723445B (en) | 2019-02-01 | 2019-02-01 | Full-section integral tunneling method for parallel three-step tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910103089.7A CN109723445B (en) | 2019-02-01 | 2019-02-01 | Full-section integral tunneling method for parallel three-step tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723445A true CN109723445A (en) | 2019-05-07 |
| CN109723445B CN109723445B (en) | 2020-11-10 |
Family
ID=66301279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910103089.7A Active CN109723445B (en) | 2019-02-01 | 2019-02-01 | Full-section integral tunneling method for parallel three-step tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109723445B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318787A (en) * | 2019-08-02 | 2019-10-11 | 中交二公局第四工程有限公司 | A kind of unidirectional four lane road tunnel assembled can excavate and steel arch-shelf installs trolley |
| CN110318776A (en) * | 2019-07-05 | 2019-10-11 | 甘肃省交通规划勘察设计院股份有限公司 | Method for tunnel construction based on inverted arch and inverted arch filled layer substitution steel-concrete combined structure |
| CN110469345A (en) * | 2019-08-14 | 2019-11-19 | 中铁六局集团太原铁路建设有限公司 | High water level shallow depth loess tunnels control settlement restrains construction method |
| CN110500113A (en) * | 2019-09-20 | 2019-11-26 | 中铁二局第二工程有限公司 | A kind of micro- bench excavation combination rack in tunnel and the micro- bench excavation method in tunnel |
| CN110617069A (en) * | 2019-09-24 | 2019-12-27 | 中铁隧道集团三处有限公司 | Full-circle excavation construction method |
| CN111535818A (en) * | 2020-04-21 | 2020-08-14 | 中铁广州工程局集团有限公司 | Rapid construction method for large-section tunnel of high-speed railway |
| CN112483138A (en) * | 2020-11-19 | 2021-03-12 | 河北建筑工程学院 | H-shaped large-section tunnel supporting device and supporting method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562074A (en) * | 2012-02-03 | 2012-07-11 | 中铁四局集团第二工程有限公司 | Construction method for composite stratum with hard top and soft bottom of large-section tunnel |
| CN106555593A (en) * | 2016-12-02 | 2017-04-05 | 中铁隧道集团有限公司 | A kind of big cross section soft rock tunnel is got out of a predicament or an embarrassing situation the construction method of excavation synchronous with inverted arch |
| CN108457666A (en) * | 2018-03-20 | 2018-08-28 | 中建隧道建设有限公司 | A kind of liftable adjustable type tunnel multi-step excavates rack |
| CN108798702A (en) * | 2018-06-05 | 2018-11-13 | 长安大学 | A kind of method for protecting support of big cross section large-deformation tunnel in soft rock |
| CN109236302A (en) * | 2018-10-29 | 2019-01-18 | 中铁五局集团成都工程有限责任公司 | A kind of tunnel variable section excavation trolley |
-
2019
- 2019-02-01 CN CN201910103089.7A patent/CN109723445B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562074A (en) * | 2012-02-03 | 2012-07-11 | 中铁四局集团第二工程有限公司 | Construction method for composite stratum with hard top and soft bottom of large-section tunnel |
| CN106555593A (en) * | 2016-12-02 | 2017-04-05 | 中铁隧道集团有限公司 | A kind of big cross section soft rock tunnel is got out of a predicament or an embarrassing situation the construction method of excavation synchronous with inverted arch |
| CN108457666A (en) * | 2018-03-20 | 2018-08-28 | 中建隧道建设有限公司 | A kind of liftable adjustable type tunnel multi-step excavates rack |
| CN108798702A (en) * | 2018-06-05 | 2018-11-13 | 长安大学 | A kind of method for protecting support of big cross section large-deformation tunnel in soft rock |
| CN109236302A (en) * | 2018-10-29 | 2019-01-18 | 中铁五局集团成都工程有限责任公司 | A kind of tunnel variable section excavation trolley |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318776A (en) * | 2019-07-05 | 2019-10-11 | 甘肃省交通规划勘察设计院股份有限公司 | Method for tunnel construction based on inverted arch and inverted arch filled layer substitution steel-concrete combined structure |
| CN110318776B (en) * | 2019-07-05 | 2021-02-05 | 甘肃省交通规划勘察设计院股份有限公司 | Tunnel construction method based on inverted arch and inverted arch filling layer replacing steel-concrete composite structure |
| CN110318787A (en) * | 2019-08-02 | 2019-10-11 | 中交二公局第四工程有限公司 | A kind of unidirectional four lane road tunnel assembled can excavate and steel arch-shelf installs trolley |
| CN110318787B (en) * | 2019-08-02 | 2024-02-27 | 中交二公局第四工程有限公司 | One-way four-lane highway tunnel can assemble excavation and steel bow member mounting trolley |
| CN110469345A (en) * | 2019-08-14 | 2019-11-19 | 中铁六局集团太原铁路建设有限公司 | High water level shallow depth loess tunnels control settlement restrains construction method |
| CN110469345B (en) * | 2019-08-14 | 2020-09-18 | 中铁六局集团太原铁路建设有限公司 | Sedimentation-control convergence construction method for high-water-level shallow-buried loess tunnel |
| CN110500113A (en) * | 2019-09-20 | 2019-11-26 | 中铁二局第二工程有限公司 | A kind of micro- bench excavation combination rack in tunnel and the micro- bench excavation method in tunnel |
| CN110617069A (en) * | 2019-09-24 | 2019-12-27 | 中铁隧道集团三处有限公司 | Full-circle excavation construction method |
| CN111535818A (en) * | 2020-04-21 | 2020-08-14 | 中铁广州工程局集团有限公司 | Rapid construction method for large-section tunnel of high-speed railway |
| CN112483138A (en) * | 2020-11-19 | 2021-03-12 | 河北建筑工程学院 | H-shaped large-section tunnel supporting device and supporting method thereof |
| CN112483138B (en) * | 2020-11-19 | 2023-10-20 | 河北建筑工程学院 | H-shaped large-section tunnel supporting device and supporting method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109723445B (en) | 2020-11-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109723445A (en) | Parallel three steps full section of tunnel entirety driving method | |
| CN111425216B (en) | Composite supporting structure, construction system and method | |
| CN104895578B (en) | Circular-rail multifunctional drill jumbo system | |
| CN101832102B (en) | Movable two-platform partitioned four-arm hanging wall anchor rod and anchor cable construction drill carriage | |
| CN103643979B (en) | Hydraulic support used for roadway temporary support and erecting and use method of hydraulic support | |
| CN106437804A (en) | Overhaul support and equipment system of roadway-free and coal-pillar-free self-retained roadway mining method | |
| CN107060749A (en) | Using the pick anchoring integral fully-mechanized digging machine of 4 advanced Anchor Cares of jumbolter | |
| CN103993898B (en) | Circulating driving immediate support devices and methods therefor | |
| CN104879061A (en) | Multifunctional self-propelled portal wagon drill | |
| CN107524454A (en) | Tunnelling supporting robot, matched bracket and method for protecting support | |
| CN102278110A (en) | Movable two-arm of lifting platform hanging wall anchor rod and anchor cable construction drill carriage | |
| CN101169036B (en) | Pedrail type lifting top slope anchor shaft anchor cable construction drilling machine and single-alley fast tunneling technique | |
| CN101832103A (en) | Movable two-arm hanging wall anchor rod and anchor cable construction drill carriage | |
| CN111485900A (en) | Rock tunnel boring machine | |
| CN201826837U (en) | Movable double-platform partitioned four-arm drill carriage for construction of hangwall anchor rods and anchor cables | |
| CN103758522A (en) | Temporary support method of tunneling working face and equipment thereof | |
| CN110318763A (en) | Multi-platform car-type excavation expansion of inclined well method | |
| CN202055821U (en) | Two-arm top slope anchor rod and anchor rope construction drill wagon with movable lifting platform | |
| CN101781972B (en) | Crawler-type lifting top and slope bolt and anchor construction drill | |
| CN209892217U (en) | Rapid tunneling system | |
| CN103075153A (en) | Open-air drilling coal cutter | |
| CN108756906A (en) | Shield machine and its inclined wedge support shoe apparatus | |
| CN203097920U (en) | Track-type fully hydraulic leading shoring equipment | |
| CN109183601A (en) | Telescopic intelligent multifunctional inverted arch trestle and the construction method with the trestle | |
| CN101845952B (en) | Movable three-arm top-assisting anchor rod and anchor cable construction drill carriage |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |