CN104373129A - Shield tunnel vault crown settlement monitoring device - Google Patents
Shield tunnel vault crown settlement monitoring device Download PDFInfo
- Publication number
- CN104373129A CN104373129A CN201410577486.5A CN201410577486A CN104373129A CN 104373129 A CN104373129 A CN 104373129A CN 201410577486 A CN201410577486 A CN 201410577486A CN 104373129 A CN104373129 A CN 104373129A
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- Prior art keywords
- laser
- vault
- shield tunnel
- monitoring device
- settlement monitoring
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a shield tunnel vault crown settlement monitoring device, and solves the defects of low efficiency and inconvenience for operation in a traditional method. The shield tunnel vault crown settlement monitoring device comprises a laser emitter device arranged in a tunnel inlet for emitting a fine laser beam as a reference line; a vault crown receiver is arranged on a pipe piece, is carved with grid scale marks, and synchronously settles with the pipe piece, so that the laser beam is changed through the scale marks of the receiver; in each measurement, the scale marks are only required to be read and recorded; and then, the deflection and the coordinates of a measured point are calculated. Meanwhile, a laser reflector and a laser rectifier are selected for adapting to various tunnel design conditions. The shield tunnel vault crown settlement monitoring device has the advantages of high efficiency, simple operation, safety and reliability.
Description
Technical field
The present invention relates to tunnel detector field, specifically a kind of shield tunnel Vault settlement monitoring device.
Background technology
Shield tunnel construction technology develops on a large scale along with the improvement of shield machine performance has had very much, but it is still inevitable to excavate the distortion caused.During shield tunnel project construction and metro operation, the safety of self structure and most important along stablizing of thread environment, it is very necessary for carrying out deformation measurement for a long time.Comprise: surface subsidence is observed; The Long-term Displacement at underground tunnel structure and station and the repeated measures of sedimentation.Wherein, Vault settlement is the important content of subterranean tunnel deformation monitoring.
The existing method of Vault settlement has contact measurement and non-cpntact measurement, and contact measurement has: level gauge coordinates invar to hang chi method, level gauge hangs steel ruler method, the level gauge measurement of falling chi; Non-cpntact measurement has: total powerstation is in conjunction with reflecting piece Bar Method.Also some all automatic measurement systems are had: the dynamic monitoring system of Ba Saite system and total powerstation.
When adopting contact measurement, during when the point of measurement abutment wall with in extra-large cross-section operation, because found levelling rod or hang steel ruler difficulty and be awkward; In tunnel, illumination is weak, aims at and waits operation performance difficulty; During measurement of the level, crown displacement monitoring can only measure a section at every turn, and efficiency comparison is low; Transport train turnover during measurement in tunnel constantly, also can be made troubles to measurement.
When adopting non-cpntact measurement, during measurement, in tunnel, illumination is faint, each alignment difficulties; Train passes in and out, and make troubles to measurement, efficiency is not high, and hardware cost is relatively high.
When adopting deformation auto-monitoring system, the no matter dynamic monitoring system of Ba Saite system total powerstation or profiler dynamic monitoring system, if arrange the monitoring of many sections, hardware cost is very high.
summary of the inventionthe object of this invention is to provide a kind of shield tunnel Vault settlement monitoring device, to solve, prior art monitoring device efficiency is low, operation is inconvenient or the problem of high cost, proposes a kind of efficiency high, simple to operate, safe and reliable, the measurement mechanism that precision meets the demands.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of shield tunnel Vault settlement monitoring device, it is characterized in that: comprise the suspension platform be arranged on shield tunnel import department vault, suspension platform is provided with Laser emission apparatus, the laser head of described Laser emission apparatus is towards in shield tunnel, the shield tunnel straightway vault section of jurisdiction in Laser emission apparatus laser head front is disposed with one or more groups vault receiver, Deviation rectifier, the vault section of jurisdiction of shield tunnel turning section and straightway junction is provided with reflector, described Laser emission apparatus, many groups vault receiver, Deviation rectifier, reflector is in same as on the straight line of shield tunnel centerline axis parallel.
Described a kind of shield tunnel Vault settlement monitoring device, it is characterized in that: described Laser emission apparatus comprises the base be connected horizontally on suspension platform, base is arranged the generating laser being furnished with laser modulation device, and be rotatablely equipped with foot screw respectively between corner and base bottom generating laser, laser head is arranged on generating laser leading flank, and generating laser leading flank is respectively arranged with levelling tube along left and right horizontal direction, left surface or right flank along anterior-posterior horizontal direction.
Described a kind of shield tunnel Vault settlement monitoring device, it is characterized in that: described vault receiver comprises and being arranged above and below and the top board of mutual horizontal parallel, gripper shoe, and be rotatably installed in top board, left between gripper shoe, the foot screw of right-hand member, wherein mounting of roof plate is on shield tunnel straightway vault section of jurisdiction, high vitreum is thoroughly fixed with bottom gripper shoe, and gripper shoe trailing flank or leading flank are provided with levelling tube along left and right horizontal direction, face, described height saturating vitreum left and right is two identical gores of the symmetrical certain angle that slopes inwardly along base, front and back then form two identical isosceles trapezoid faces, bottom surface is square face shape, form prism class body thus, and grid graduation mark is carved with in surrounding side.
Described a kind of shield tunnel Vault settlement monitoring device, it is characterized in that: described Deviation rectifier comprises rectangular box, rectangular box end face or side are arranged on shield tunnel straightway vault section of jurisdiction, rectangular box inner top, bottom is tiltedly installed with parallel laser speculum respectively, two parallel laser speculums are parallel to each other, and two parallel laser speculums are skewed higher than front end of rear end, on rear side of rectangular box, front side has opening, and dock rectangular box rear openings between two parallel laser speculum rear ends, rectangular box front openings is docked between two parallel laser speculum front ends.
Described a kind of shield tunnel Vault settlement monitoring device, it is characterized in that: described reflector comprises the upper support seat of level, the groove of through upper support seat before and after having in upper support seat, by axis of rotation, corner spiral is installed in groove, described rotating shaft lower end passes upper support seat, and rotating shaft lower end is connected with the vertical laser mirror arranged below upper support seat.
Measuring process of the present invention is: the be connected difference of twice reading of measuring point is sedimentation in this time period, and difference sum is the sedimentation in these several periods several times, and the changes in coordinates simultaneously measuring generating laser corrects measuring point data; Vault absolute coordinate obtains: when measuring first, Vault settlement is minimum, so can think that initial coordinate is with regard to corresponding vault absolute coordinate.Namely later absolute coordinate is the difference of deflection and initial absolute coordinate; Precision analysis: it is 0.1mm that this measuring method estimates read bit, and precision is 1mm, and at the height of vault receiver, thoroughly Vitrea all around four sides can reading, repeatedly can improve precision by reading.
Advantage of the present invention is
:do not affect by the section size in tunnel and interior construction during monitoring, efficiency is high, easy to operate, safe and reliable, and precision is high, saves manpower and cost.Can monitor the sedimentation of vault at any time, Real Time Observation Vault settlement changes, and guarantees the carrying out of construction safety.
Accompanying drawing explanation
Fig. 1 is overall structure sectional view of the present invention.
Fig. 2 is vault receiver fragmentary elevational view of the present invention.
Fig. 3 is generating laser apparatus structure schematic diagram of the present invention.
Fig. 4 is vault receiver architecture schematic diagram of the present invention.
Fig. 5 is the high vitreum schematic diagram thoroughly of the present invention.
Fig. 6 is Deviation rectifier structural representation of the present invention.
Fig. 7 is Deviation rectifier optical schematic diagram of the present invention.
Fig. 8 is reflector structure schematic diagram of the present invention.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, a kind of shield tunnel Vault settlement monitoring device, comprise the suspension platform 8 be arranged on shield tunnel import department vault, suspension platform 8 is provided with Laser emission apparatus 1, the laser head 1a of Laser emission apparatus 1 is towards in shield tunnel, the shield tunnel straightway vault section of jurisdiction 9 in Laser emission apparatus 1 laser head 1a front is disposed with one or more groups vault receiver 2, Deviation rectifier 4, the vault section of jurisdiction 9 of shield tunnel turning section and straightway junction is provided with reflector 3, Laser emission apparatus 1, many groups vault receiver 2, Deviation rectifier 4, reflector 3 is in same as on the straight line of shield tunnel centerline axis parallel.
As shown in Figure 3.Laser emission apparatus 1 comprises the base be connected horizontally on suspension platform 8, base is arranged the generating laser 1c being furnished with laser modulation device 1b, and be rotatablely equipped with foot screw 6 respectively between corner and base bottom generating laser 1c, laser head 1a is arranged on generating laser 1c leading flank, and generating laser 1c leading flank is respectively arranged with levelling tube 5 along left and right horizontal direction, left surface or right flank along anterior-posterior horizontal direction.
As shown in Figure 4, Figure 5.Vault receiver 2 comprises and being arranged above and below and the top board 2b of mutual horizontal parallel, gripper shoe 2c, and be rotatably installed in top board 2b, left between gripper shoe 2c, the foot screw 6 of right-hand member, wherein top board 2b is arranged on shield tunnel straightway vault section of jurisdiction 9, high vitreum 2a is thoroughly fixed with bottom gripper shoe 2c, and gripper shoe 2c trailing flank or leading flank are provided with levelling tube 5 along left and right horizontal direction, high vitreum about 2a face is thoroughly two identical gores of the symmetrical certain angle that slopes inwardly along base, front and back then form two identical isosceles trapezoid faces, bottom surface is square face shape, form prism class body thus, and grid graduation mark is carved with in surrounding side.
As shown in Figure 6, Figure 7.Deviation rectifier 4 comprises rectangular box 4a, rectangular box 4a end face or side are arranged on shield tunnel straightway vault section of jurisdiction 9, rectangular box inner top, bottom are tiltedly installed with parallel laser speculum 10 respectively, two parallel laser speculums 10 are parallel to each other, and skewed in rear end higher than front end of two parallel laser speculums 10, on rear side of rectangular box 4a, front side has opening, and dock rectangular box 4a rear openings between two parallel laser speculum 10 rear ends, dock rectangular box 4a front openings between two parallel laser speculum 10 front ends.Ray height of rectifying a deviation during Deviation rectifier fixed roof surface offsets; Correction light level skew during fixing side.
As shown in Figure 8.Reflector 3 comprises the upper support seat 3a of level, the groove of through upper support seat before and after having in upper support seat 3a, by axis of rotation, corner spiral 7 is installed in groove, rotating shaft lower end passes upper support seat 3a, and rotating shaft lower end is connected with the vertical laser mirror 11 arranged below upper support seat 3a.
The present invention includes Laser emission apparatus and vault receiver, Laser emission apparatus is arranged on tunnel entrance place, emission fine laser beam is as reference line, vault receiver is bonded on vault section of jurisdiction, vault receiver produces change in location along with the distortion of section of jurisdiction, therefore laser will change through the position of receiver, and each measurement only need be read and be passed Vitrea scale with recording laser, utilizes each scale recorded to calculate deflection and measuring point coordinate.Meanwhile, being solve tunnel line to turn and the reflector that arranges at bending section, is solve the excessive and Deviation rectifier that arranges of laser displacement.
Vault receiver mainly comprises one block of high vitreum, its front and have grid graduation mark below, and there is horizontal scale line two sides, is highly thoroughly provided with two foot screws between vitreum and top board, makes vitreum level by adjustment foot screw.
Reflector mainly comprises one piece of laser mirror, and laser mirror is connected with corner spiral by rotating shaft, rotates the angle that corner spiral can change laser mirror, thus the direction of adjusting laser beam.
Deviation rectifier is a both-side opening rectangular box, and rectangular box top and bottom arrange pair of parallel laser mirror, and laser is injected from opening, from an other opening penetrates after being fallen position by parallel laser transmitting mirror, thus reaches the effect of correcting laser beam.
In the present invention:
1) generating laser is installed:
A suspension platform 8 is installed at tunnel entrance place, Laser emission apparatus 1 is placed on suspension platform 8.Position is first tentatively determined, makes laser beam that each Laser emission apparatus 1 is launched at proper height.Then regulate foot screw 6 to make levelling tube 5 bubble placed in the middle, thus make laser beam be parallel to vault section of jurisdiction 9 inwall.Along with measuring the increase of length, need by regulating laser modulation device 1b to regulate the parameters such as the intensity of laser and spot diameter.Laser head 1a is set to a reference point, measures the initial coordinate of this reference point and each coordinate measured when checking.
2) receiver 2 is installed:
On the vault section of jurisdiction 9 needing monitoring, arrange vault receiver 2 in time, vault receiver 2 mainly comprises one piece high vitreum 2a, its surface band scale grid.Concrete operations: by needing the surface of position arranged to clean out, with glue, receiver and section of jurisdiction inwall are bondd.Then regulate foot screw 6 on vault receiver 2, make levelling tube 5 bubble on vault receiver 2 placed in the middle, thus make vault receiver 2 position level.Each vault receiver installs, generating laser is just started shooting Emission Lasers light beam, by telescope 12 at the suitable range reading of distance vault receiver 2, write down the initial coordinate of laser through vault receiver 2, each monitoring only needs read-record, so obtains a series of coordinate values of each point.If front-operated is inconvenient, receiver two sides and indicate scale equally below, therefore can on other faces reading.
3) reflector 3 is installed:
Tunnel trend might not be straight line, and what have needs turning.That just needs the correct position bonding reflector 3 at turning section.Laser mirror 11 on reflector 3 can reflects laser, makes it to change direction.Speculum 3 is provided with corner spiral 7, can finely tune laser mirror 11 position accurately.Obviously, linear pattern shield tunnel is without the need to installing.
4) Deviation rectifier 4 is installed:
Tunnel is a bit long; Meanwhile, may produce comparatively big error when Laser emission apparatus 1 is installed, so height or horizontal error can increase with laser propagation distance and constantly accumulate.When level or height error reach about 50mm, just need to arrange a Deviation rectifier 4, be equally also be bonded on vault section of jurisdiction 9 with glue, laser can be made like this to adjust to correct position.Although Deviation rectifier 4 with vault generation sedimentation, can not can have an impact to ensuing laser.If when laser displacement amount is less, without the need to installing.
5) data processing:
Vault settlement gauge is calculated: the be connected difference of twice reading of measuring point is sedimentation in this time period, and difference sum is the sedimentation in these several periods several times, will correct according to tunnel face bench mark changes in coordinates to data simultaneously; Vault absolute coordinate obtains: when measuring first, Vault settlement is minimum, so can think that initial coordinate is with regard to corresponding vault absolute coordinate.Namely later absolute coordinate is the difference of deflection and initial absolute coordinate; Precision analysis: it is 0.1mm that this measuring method estimates read bit, and precision is 1mm, and the saturating vitreum 2a of the height of vault receiver 2 all around four sides can reading, repeatedly can improve precision by reading.
Claims (5)
1. a shield tunnel Vault settlement monitoring device, it is characterized in that: comprise the suspension platform be arranged on shield tunnel import department vault, suspension platform is provided with Laser emission apparatus, the laser head of described Laser emission apparatus is towards in shield tunnel, the shield tunnel straightway vault section of jurisdiction in Laser emission apparatus laser head front is disposed with one or more groups vault receiver, Deviation rectifier, the vault section of jurisdiction of shield tunnel turning section and straightway junction is provided with reflector, described Laser emission apparatus, many groups vault receiver, Deviation rectifier, reflector is in same as on the straight line of shield tunnel centerline axis parallel.
2. a kind of shield tunnel Vault settlement monitoring device according to claim 1, it is characterized in that: described Laser emission apparatus comprises the base be connected horizontally on suspension platform, base is arranged the generating laser being furnished with laser modulation device, and be rotatablely equipped with foot screw respectively between corner and base bottom generating laser, laser head is arranged on generating laser leading flank, and generating laser leading flank is respectively arranged with levelling tube along left and right horizontal direction, left surface or right flank along anterior-posterior horizontal direction.
3. a kind of shield tunnel Vault settlement monitoring device according to claim 1, it is characterized in that: described vault receiver comprises and being arranged above and below and the top board of mutual horizontal parallel, gripper shoe, and be rotatably installed in top board, left between gripper shoe, the foot screw of right-hand member, wherein mounting of roof plate is on shield tunnel straightway vault section of jurisdiction, high vitreum is thoroughly fixed with bottom gripper shoe, and gripper shoe trailing flank or leading flank are provided with levelling tube along left and right horizontal direction, face, described height saturating vitreum left and right is two identical gores of the symmetrical certain angle that slopes inwardly along base, front and back then form two identical isosceles trapezoid faces, bottom surface is rectangular surfaces, form prism class body thus, and grid graduation mark is carved with in surrounding side.
4. a kind of shield tunnel Vault settlement monitoring device according to claim 1, it is characterized in that: described Deviation rectifier comprises rectangular box, rectangular box end face or side are arranged on shield tunnel straightway vault section of jurisdiction, rectangular box inner top, bottom is tiltedly installed with parallel laser speculum respectively, two parallel laser speculums are parallel to each other, and two parallel laser speculums are skewed higher than front end of rear end, on rear side of rectangular box, front side has opening, and dock rectangular box rear openings between two parallel laser speculum rear ends, rectangular box front openings is docked between two parallel laser speculum front ends.
5. a kind of shield tunnel Vault settlement monitoring device according to claim 1, it is characterized in that: described reflector comprises the upper support seat of level, the groove of through upper support seat before and after having in upper support seat, by axis of rotation, corner spiral is installed in groove, described rotating shaft lower end passes upper support seat, and rotating shaft lower end is connected with the vertical laser mirror arranged below upper support seat.
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| CN201410577486.5A CN104373129B (en) | 2014-10-24 | 2014-10-24 | Shield tunnel vault crown settlement monitoring device |
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| CN201410577486.5A CN104373129B (en) | 2014-10-24 | 2014-10-24 | Shield tunnel vault crown settlement monitoring device |
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| CN104373129B CN104373129B (en) | 2017-05-03 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043343A (en) * | 2015-07-10 | 2015-11-11 | 江西飞尚科技有限公司 | Method for automated measurement of tunnel vault settlement based on laser displacement sensor |
| CN105403203A (en) * | 2015-12-22 | 2016-03-16 | 中铁上海工程局集团有限公司 | Long distance linear top pipe center simple control measuring system and method |
| CN106289194A (en) * | 2016-08-22 | 2017-01-04 | 中铁六局集团天津铁路建设有限公司 | For the method measuring the single hole pipe culvert jacking deviation of directivity |
| CN106523032A (en) * | 2016-12-29 | 2017-03-22 | 中铁十九局集团第工程有限公司 | Sudden-change early-warning device for weak surrounding rock excavating through tunnel machine |
| CN107462214A (en) * | 2017-08-24 | 2017-12-12 | 南京斯比特电子科技有限公司 | A kind of high interference immunity fan laser wireless settlement instrument and its monitoring method |
| CN108168512A (en) * | 2018-02-22 | 2018-06-15 | 广州市城市建设工程监理公司 | Metro section ground settlement measuring device and method |
| CN110345906A (en) * | 2018-04-07 | 2019-10-18 | 张亚标 | The real-time level measurement method and measuring device of tunnel arch top settlement |
| CN110595375A (en) * | 2019-09-20 | 2019-12-20 | 中铁隧道局集团有限公司 | Method for continuously monitoring deformation of side wall in tunnel inverted arch excavation process |
| CN111102946A (en) * | 2019-12-18 | 2020-05-05 | 湖北省电力勘测设计院有限公司 | Tunnel deformation monitoring method based on ultrasonic waves |
| CN111348465A (en) * | 2020-03-30 | 2020-06-30 | 浙江联宜电机有限公司 | Cloth cartridge fixing frame for mask production equipment |
| CN111828017A (en) * | 2020-08-25 | 2020-10-27 | 南昌工程学院 | Tunnel construction monitoring devices |
| CN112504333A (en) * | 2020-11-13 | 2021-03-16 | 贵州大学 | Tunnel vertical settlement and arch wall compressive stress monitor and cloud monitoring and early warning system |
| CN112964730A (en) * | 2021-01-26 | 2021-06-15 | 中铁九局集团第二工程有限公司 | Tunnel deformation monitoring device and using method |
| CN113642089A (en) * | 2021-10-14 | 2021-11-12 | 湖南大学 | Method for determining deformation and reinforcement range of surrounding stratum in shield tunneling |
| CN113933878A (en) * | 2021-12-16 | 2022-01-14 | 中建安装集团有限公司 | Satellite communication technology-based correction system and method for deep-long cross-river jacking pipe |
| CN116929299A (en) * | 2023-09-18 | 2023-10-24 | 中交隧道工程局有限公司 | Shield tunnel deformation control method in adjacent engineering construction process |
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| CN105043343A (en) * | 2015-07-10 | 2015-11-11 | 江西飞尚科技有限公司 | Method for automated measurement of tunnel vault settlement based on laser displacement sensor |
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| CN106289194A (en) * | 2016-08-22 | 2017-01-04 | 中铁六局集团天津铁路建设有限公司 | For the method measuring the single hole pipe culvert jacking deviation of directivity |
| CN106523032A (en) * | 2016-12-29 | 2017-03-22 | 中铁十九局集团第工程有限公司 | Sudden-change early-warning device for weak surrounding rock excavating through tunnel machine |
| CN107462214A (en) * | 2017-08-24 | 2017-12-12 | 南京斯比特电子科技有限公司 | A kind of high interference immunity fan laser wireless settlement instrument and its monitoring method |
| CN107462214B (en) * | 2017-08-24 | 2020-04-21 | 南京斯比特电子科技有限公司 | High-interference-resistance fan-shaped laser wireless settlement meter and monitoring method thereof |
| CN108168512A (en) * | 2018-02-22 | 2018-06-15 | 广州市城市建设工程监理公司 | Metro section ground settlement measuring device and method |
| CN110345906A (en) * | 2018-04-07 | 2019-10-18 | 张亚标 | The real-time level measurement method and measuring device of tunnel arch top settlement |
| CN110595375A (en) * | 2019-09-20 | 2019-12-20 | 中铁隧道局集团有限公司 | Method for continuously monitoring deformation of side wall in tunnel inverted arch excavation process |
| CN111102946A (en) * | 2019-12-18 | 2020-05-05 | 湖北省电力勘测设计院有限公司 | Tunnel deformation monitoring method based on ultrasonic waves |
| CN111102946B (en) * | 2019-12-18 | 2021-11-23 | 湖北省电力勘测设计院有限公司 | Tunnel deformation monitoring method based on ultrasonic waves |
| CN111348465A (en) * | 2020-03-30 | 2020-06-30 | 浙江联宜电机有限公司 | Cloth cartridge fixing frame for mask production equipment |
| CN111348465B (en) * | 2020-03-30 | 2021-08-31 | 浙江联宜电机有限公司 | Cloth cartridge fixing frame for mask production equipment |
| CN111828017A (en) * | 2020-08-25 | 2020-10-27 | 南昌工程学院 | Tunnel construction monitoring devices |
| CN112504333A (en) * | 2020-11-13 | 2021-03-16 | 贵州大学 | Tunnel vertical settlement and arch wall compressive stress monitor and cloud monitoring and early warning system |
| CN112964730A (en) * | 2021-01-26 | 2021-06-15 | 中铁九局集团第二工程有限公司 | Tunnel deformation monitoring device and using method |
| CN112964730B (en) * | 2021-01-26 | 2024-04-09 | 中铁九局集团第二工程有限公司 | Tunnel deformation monitoring device and use method |
| CN113642089A (en) * | 2021-10-14 | 2021-11-12 | 湖南大学 | Method for determining deformation and reinforcement range of surrounding stratum in shield tunneling |
| CN113933878A (en) * | 2021-12-16 | 2022-01-14 | 中建安装集团有限公司 | Satellite communication technology-based correction system and method for deep-long cross-river jacking pipe |
| CN113933878B (en) * | 2021-12-16 | 2022-03-08 | 中建安装集团有限公司 | Satellite communication technology-based correction system and method for deep-long cross-river jacking pipe |
| CN116929299A (en) * | 2023-09-18 | 2023-10-24 | 中交隧道工程局有限公司 | Shield tunnel deformation control method in adjacent engineering construction process |
| CN116929299B (en) * | 2023-09-18 | 2023-12-05 | 中交隧道工程局有限公司 | Shield tunnel deformation control method in adjacent engineering construction process |
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