CN110530788B - Test device for erecting shield tunnel excavation model and working method - Google Patents
Test device for erecting shield tunnel excavation model and working method Download PDFInfo
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- CN110530788B CN110530788B CN201910899079.9A CN201910899079A CN110530788B CN 110530788 B CN110530788 B CN 110530788B CN 201910899079 A CN201910899079 A CN 201910899079A CN 110530788 B CN110530788 B CN 110530788B
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 238000009412 basement excavation Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008093 supporting effect Effects 0.000 claims description 31
- 238000010276 construction Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 abstract 4
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011173 large scale experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a test device and a working method for erecting a shield tunnel excavation model, wherein the test device comprises two track round rods which are arranged in parallel left and right, the track round rods are connected and supported by a front support seat and a rear support seat, a model box is fixedly arranged at the front ends of the two track round rods, a hole is formed in the rear end face of the model box, a shield tunneling machine model is coaxially arranged behind the hole, the front end of the shield tunneling machine model is supported by the front support seat, the rear end of the shield tunneling machine model stretches into and drives the shield tunneling machine model to rotate through a driving motor, the driving motor is fixed on the upper surface of a sliding platen through a motor placement table, the lower surface of the sliding platen is sleeved on the left track round rod and the right track round rod through a plurality of sliding sleeves to realize front-back sliding, the rear end of the sliding platen is fixedly connected with a jack, and the pressure head of the jack extends backwards and is propped against an elastic counterforce system.
Description
Technical Field
The invention relates to a test device for erecting a shield tunnel excavation model and a working method thereof.
Background
Along with the continuous acceleration of urban development speed, the requirements on urban transportation are gradually increased, and more cities are currently developed for subway construction. The shield method is a main method for constructing the subway section line, has the advantages of good construction quality and high automation degree, but the influence of the shield excavation process on surrounding stratum and existing buildings is obvious.
The model test is one of a plurality of research methods, can intuitively reflect the general rule of the engineering site, and can realize multi-working-condition comparison analysis. In the research of the influence of shield construction on the surrounding environment, an indoor model test becomes one of research means with higher reliability, and the obtained result has a certain guiding significance on site construction.
The existing model test researches the construction process of the shield tunnel from multiple aspects, such as simulating the influence of on-site shield rotary excavation on stratum disturbance, and relevant simulation on excavation cutterhead and shield tail grouting. However, in the implementation process, most of the test devices only consider the realization of dynamic excavation of the shield, neglect the stability of the test devices, and possibly cause the phenomenon of reverse movement and even instability of the test devices due to overlarge pushing force of the cutterhead, so that the excavation position and progress are difficult to adjust under the state of keeping self balance. Meanwhile, although the influence of factors such as shield excavation, grouting and the like on the surrounding environment is considered in a large-scale experiment, the shield mechanical retraction phenomenon caused by jack pressure change and excavation face reverse thrust action in the process of assembling the pipe pieces in the actual construction process is considered less, and the retraction amount and the retraction pressure are difficult to obtain. Therefore, it is necessary to invent a test device and a method for erecting a shield tunnel excavation model, which control excavation parameters on the basis of guaranteeing self stability, and further can consider reverse retraction of the shield tunnel excavation model.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a test device and a working method for erecting a shield tunnel excavation model, which not only can adjust the test excavation position of a shield machine model on the premise of meeting the self-balance of test equipment, control the excavation progress, but also can simulate the equipment retraction state in the shield construction process.
In order to solve the technical problems, the technical scheme of the invention is as follows: a test device for erecting a shield tunnel excavation model comprises two track round rods which are arranged in parallel left and right, the track round rods are connected and supported by a front supporting seat and a rear supporting seat, a model box is fixedly arranged at the front ends of the two track round rods, a hole is formed in the rear end face of the model box, a shield machine model is coaxially arranged behind the hole, the front end of the shield machine model is supported by the front supporting seat, the rear end of the shield machine model stretches into and drives the shield machine model to rotate through a driving motor, the driving motor is fixed on the upper surface of a sliding platen through a motor placing table, the lower surface of the sliding platen is sleeved on the left track round rod and the right track round rod through a plurality of sliding sleeves to realize front-back sliding, a jack is fixedly connected at the rear end of the sliding platen, and a pressure head of the jack extends backwards and is connected onto an elastic counter-force system in a jacking mode.
Furthermore, a through groove is vertically formed in the rear side plate of the model box in a penetrating manner, a plurality of height adjusting baffles and a hole digging baffle are arranged in the through groove in an inserted manner, and the hole digging baffle is arranged in a penetrating manner in the front and rear of the hole digging baffle; a plurality of height adjusting holes are symmetrically formed in the rear side plate of the model box on the left side and the right side of the through groove, the height adjusting holes on the left side and the right side of the through groove are arranged at intervals up and down, and the distance between two adjacent height adjusting holes is consistent with the height of each height adjusting baffle.
Furthermore, a shield machine model limiting block is fixedly arranged on the upper surface of the front end of the sliding bedplate, an arc limiting groove is concavely formed in the shield machine model limiting block from the upper surface to the lower surface, and the surface of the arc limiting groove is fixedly supported with the lower surface of the shield machine model.
Further, the sliding sleeves are arranged in four, are respectively arranged at four corners of the lower surface of the sliding bedplate, and are sleeved on the left rail round rod, and are sleeved on the right rail round rod.
Further, the rear end of the sliding bedplate extends upwards, a jack bearing table is fixedly arranged on the rear surface of the rear end wall of the sliding bedplate, and the jack is fixedly connected to the jack bearing table.
Further, the elastic counter force system comprises a base plate, the lower ends of the base plate are sleeved on the two track round rods, the base plate extends upwards vertically, the front end face of the base plate is fixedly connected with a counter force spring set, the counter force spring set consists of a plurality of springs, the rear end of the counter force spring set is fixedly connected to the base plate, the front end of the counter force spring set is propped against the rear surface of a telescopic plate, and the telescopic plate is connected with the base plate through a sliding short rod.
Further, the four sliding short rods are respectively arranged at four corners of the rear end face of the expansion plate, and scales are marked on the sliding short rods; the base plate is provided with a through hole for the sliding short rod to pass through, and the sliding short rod is blocked and limited by four detachable hole sealing blades after being inserted into the through hole.
Furthermore, the inside of the model box is screwed into the two track round rods through a locking bolt for fixing; the base plate is screwed into the base plate from bottom to top in sequence and is limited and fixed with the fastening bolts of the two track round rods.
The working method of the test device for erecting the shield tunnel excavation model comprises the following steps: firstly, determining the position of a hole digging baffle according to the required digging height of a model test, arranging height adjusting baffles on the upper side and the lower side of the hole digging baffle, and sequentially placing the height adjusting baffles into a through groove of a model box; secondly, selecting a height adjusting hole matched with the hole digging baffle according to the placing height of the hole digging baffle, respectively inserting two track round rods into the bilaterally symmetrical height adjusting holes, screwing a locking bolt in the model box to fix the track round rods, selecting a front supporting seat and a rear supporting seat of corresponding types according to the placing height of the track round rods, and sequentially sleeving the front supporting seat, a sliding sleeve at the lower part of the sliding bedplate, an elastic counterforce system and a rear supporting seat on the two track round rods; thirdly, fixing the rear end of the shield machine model in an arc-shaped limit groove by using a normal pin, erecting the front end of the shield machine model in a sliding groove of a front supporting seat, arranging a driving motor on a motor arranging table, and arranging a jack on a jack supporting table; fourthly, installing hole sealing sheets to seal through holes at the rear end of the base plate, adjusting the distance between the elastic counterforce system and the sliding bedplate, enabling the vertical parts of the telescopic plate and the sliding bedplate to clamp the jack pressure head, and fixing the position of the elastic counterforce system by using fastening bolts; fifthly, placing model soil in the model box, opening a driving motor to drive a cutter disc at the front end of the shield machine model to rotate, applying a jacking force by using a jack, pushing a sliding platen to move towards the model box, and realizing the step-by-step rotary digging of the model soil by referring to construction steps; in the simulation of the retraction state in the digging process, taking an intermediate digging step, closing a driving motor, keeping jack pressure, opening each hole sealing sheet, enabling the expansion plate to bear the supporting effect of a counter-force spring set, and enabling sliding short rods at four corners to freely extend out of holes at the back of the base plate; and reading the extension scale of the sliding short rod to obtain the retraction amount, and calculating the retraction pressure by combining the stiffness of the counter-force spring set.
Compared with the prior art, the invention has the following beneficial effects: (1) The invention provides a self-balancing excavation equipment erection device for a shield tunnel model test, which not only can adjust excavation positions and progress on the basis of keeping self stability, but also can simulate equipment retraction phenomenon in the shield construction process to obtain corresponding retraction amount and retraction pressure.
(2) If various building and construction models are placed in the excavated soil layer, the excavation adjustment control function of the erection device can be utilized to simulate the stress deformation state of the existing structure caused by various shield crossing constructions, and safety early warning is provided for the stability problem of the surrounding structure caused by the shield construction.
(3) The model test erection device can be repeatedly used, different working condition tests can be carried out by adjusting parameters, so that the influence rule of each factor on the test result is compared and analyzed, and the test cost is saved.
The invention will be described in further detail with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of a mold box in an embodiment of the invention;
FIG. 3 is a schematic view of a connection structure between a sliding platen and a round rail rod except for a supporting seat in a cylinder in an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the separation of an elastic reaction system according to an embodiment of the present invention
In the figure: the device comprises a 1-track round rod, a 2-supporting seat, a 3-model box, a 4-hole digging, a 5-shield machine model, a 6-front supporting seat, a 7-driving motor, an 8-motor placing table, a 9-sliding table plate, a 10-sliding sleeve, an 11-jack, a 12-elastic counter force system, a 13-through groove, a 14-height adjusting baffle, a 15-hole digging baffle, a 16-height adjusting hole, a 17-shield machine model limiting block, an 18-arc limiting groove, a 19-left track round rod, a 20-right track round rod, a 21-jack supporting table, a 22-base plate, a 23-counter force spring set, a 24-expansion plate, a 25-sliding short rod, a 26-through hole, a 27-hole sealing blade, a 28-locking bolt, a 29-fastening bolt and a 30-rear supporting seat.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-4, a test device for erecting a shield tunnel excavation model comprises two track round rods 1 which are arranged in parallel left and right, the track round rods are connected and supported by a front support seat and a rear support seat 2, a model box 3 is fixedly arranged at the front ends of the two track round rods, a hole 4 is formed in the rear end face of the model box, a shield machine model 5 is coaxially arranged behind the hole, the front end of the shield machine model is supported by a front support seat 6, the rear end of the shield machine model stretches into and drives the shield machine model to rotate inside through a driving motor 7, the driving motor is fixed on the upper surface of a sliding platen 9 through a motor placing table 8, the lower surface of the sliding platen is sleeved on the left track round rod and the right track round rod through a plurality of sliding sleeves 10 to realize front-rear sliding, the rear end of the sliding platen is fixedly connected with a jack 11, and the pressure head of the jack extends backwards and is connected onto an elastic counterforce system 12.
In the embodiment of the invention, a through groove 13 is vertically penetrated on the rear side plate of the model box, a plurality of height adjusting baffles 14 and a hole digging baffle 15 are inserted in the through groove, and the hole digging baffles are penetrated in front and back; a plurality of height adjusting holes 16 are symmetrically formed in the rear side plate of the model box on the left side and the right side of the through groove, the height adjusting holes on the left side and the right side of the through groove are arranged at intervals up and down, and the distance between two adjacent height adjusting holes is consistent with the height of each height adjusting baffle.
In the embodiment of the invention, the upper surface of the front end of the sliding platen is fixedly provided with a shield machine model limiting block 17, the shield machine model limiting block is concavely provided with an arc limiting groove 18 from the upper surface to the lower surface, and the surface of the arc limiting groove is fixedly supported with the lower surface of the shield machine model.
In the embodiment of the invention, four sliding sleeves are arranged at four corners of the lower surface of the sliding platen, two sliding sleeves on the left side are sleeved on the left rail round rod 19, and two sliding sleeves on the right side are sleeved on the right rail round rod 20.
In the embodiment of the invention, the rear end of the sliding platen extends upwards, and the rear surface of the rear end wall of the sliding platen is fixedly provided with a jack bearing table 21, and the jack is fixedly connected to the jack bearing table.
In the embodiment of the invention, the elastic counterforce system comprises a base plate 22 with the lower ends sleeved on two track round rods, the base plate extends vertically upwards, the front end surface of the base plate is fixedly connected with a counterforce spring set 23, the counterforce spring set consists of a plurality of springs, the rear end of the counterforce spring set is fixedly connected to the base plate, the front end of the counterforce spring set is propped against the rear surface of a telescopic plate 24, and the telescopic plate is connected with the base plate through a sliding short rod 25.
In the embodiment of the invention, four sliding short rods are arranged at four corners of the rear end surface of the expansion plate respectively, and scales are marked on the sliding short rods; through holes 26 for the sliding short rods to penetrate through are formed in the base plate in a penetrating mode, and the sliding short rods are blocked and limited through four detachable hole sealing blades 27 after being inserted into the through holes.
In the embodiment of the invention, the inside of the model box is screwed into two track round rods through a locking bolt 28 for fixing; the base plate is screwed into the base plate from bottom to top in sequence to be limited and fixed with the fastening bolts 29 of the two track round bars.
The working method of the test device for erecting the shield tunnel excavation model comprises the following steps: firstly, determining the position of a hole digging baffle according to the required digging height of a model test, arranging height adjusting baffles on the upper side and the lower side of the hole digging baffle, and sequentially placing the height adjusting baffles into a through groove of a model box; secondly, selecting a height adjusting hole matched with the hole digging baffle according to the placing height of the hole digging baffle, respectively inserting two track round rods into the bilaterally symmetrical height adjusting holes, screwing a locking bolt in the model box to fix the track round rods, selecting a front supporting seat and a rear supporting seat 30 of corresponding types according to the placing height of the track round rods, and sequentially sleeving a front supporting seat, a sliding sleeve at the lower part of a sliding bedplate, an elastic counterforce system and a rear supporting seat on the two track round rods; thirdly, fixing the rear end of the shield machine model in an arc-shaped limit groove by using a normal pin, erecting the front end of the shield machine model in a sliding groove of a front supporting seat, arranging a driving motor on a motor arranging table, and arranging a jack on a jack supporting table; fourthly, installing hole sealing sheets to seal through holes at the rear end of the base plate, adjusting the distance between the elastic counterforce system and the sliding bedplate, enabling the vertical parts of the telescopic plate and the sliding bedplate to clamp the jack pressure head, and fixing the position of the elastic counterforce system by using fastening bolts; fifthly, placing model soil in the model box, opening a driving motor to drive a cutter disc at the front end of the shield machine model to rotate, applying a jacking force by using a jack, pushing a sliding platen to move towards the model box, and realizing the step-by-step rotary digging of the model soil by referring to construction steps; in the simulation of the retraction state in the digging process, taking an intermediate digging step, closing a driving motor, keeping jack pressure, opening each hole sealing sheet, enabling the expansion plate to bear the supporting effect of a counter-force spring set, and enabling sliding short rods at four corners to freely extend out of holes at the back of the base plate; and reading the extension scale of the sliding short rod to obtain the retraction amount, and calculating the retraction pressure by combining the stiffness of the counter-force spring set.
The invention is not limited to the above-mentioned best mode, any person can obtain other various forms of test devices and working methods for erecting the shield tunnel excavation model under the teaching of the invention. All equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (2)
1. A test device for setting up shield tunnel excavation model, its characterized in that: the device comprises two track round rods which are arranged left and right in parallel, wherein the track round rods are connected and supported by a front supporting seat and a rear supporting seat, a model box is fixedly arranged at the front ends of the two track round rods, a hole is formed in the rear end face of the model box, a shield machine model is coaxially arranged behind the hole, the front end of the shield machine model is supported by the front supporting seat, the rear end of the shield machine model stretches into and drives the shield machine model to rotate inside through a driving motor, the driving motor is fixed on the upper surface of a sliding platen through a motor placing table, the lower surface of the sliding platen is sleeved on the left track round rod and the right track round rod through a plurality of sliding sleeves to realize front-back sliding, the rear end of the sliding platen is fixedly connected with a jack, and the pressure head of the jack extends backwards and is connected with an elastic counterforce system in a propping manner;
a through groove is vertically formed in the rear side plate of the model box in a penetrating manner, a plurality of height adjusting baffles and a hole digging baffle are arranged in the through groove in an inserted manner, and the hole digging baffle is arranged in a penetrating manner in front of and behind the hole digging baffle; a plurality of height adjusting holes are symmetrically formed in the rear side plate of the model box on the left side and the right side of the through groove, the height adjusting holes on the left side and the right side of the through groove are arranged at intervals up and down, and the distance between two adjacent height adjusting holes is consistent with the height of each height adjusting baffle;
the upper surface of the front end of the sliding bedplate is fixedly provided with a shield machine model limiting block, an arc-shaped limiting groove is concavely formed in the shield machine model limiting block from the upper surface to the lower surface, and the surface of the arc-shaped limiting groove is fixedly supported with the lower surface of the shield machine model;
the four sliding sleeves are respectively arranged at four corners of the lower surface of the sliding bedplate, the left two sliding sleeves are sleeved on the left track round rod, and the right two sliding sleeves are sleeved on the right track round rod;
the rear end of the sliding bedplate extends upwards, a jack bearing table is fixedly arranged on the rear surface of the rear end wall of the sliding bedplate, and the jack is fixedly connected to the jack bearing table;
the elastic counter force system comprises a base plate, the lower ends of the base plate are sleeved on two track round rods, the base plate extends vertically upwards, the front end face of the base plate is fixedly connected with a counter force spring set, the counter force spring set consists of a plurality of springs, the rear end of the counter force spring set is fixedly connected to the base plate, the front end of the counter force spring set is propped against the rear surface of a telescopic plate, and the telescopic plate is connected with the base plate through a sliding short rod;
the sliding short rods are arranged at four corners of the rear end face of the expansion plate respectively, and scales are marked on the sliding short rods; the base plate is provided with a through hole for the sliding short rod to pass through, and the sliding short rod is blocked and limited by four detachable hole sealing blades after being inserted into the through hole;
the inside of the model box is screwed into the two track round bars through a locking bolt for fixing; the base plate is screwed into the base plate from bottom to top in sequence and is limited and fixed with the fastening bolts of the two track round rods.
2. A working method of a test device for erecting a shield tunnel excavation model, characterized in that a test device for erecting a shield tunnel excavation model according to claim 1 is adopted and carried out as follows: firstly, determining the position of a hole digging baffle according to the required digging height of a model test, arranging height adjusting baffles on the upper side and the lower side of the hole digging baffle, and sequentially placing the height adjusting baffles into a through groove of a model box; secondly, selecting a height adjusting hole matched with the hole digging baffle according to the placing height of the hole digging baffle, respectively inserting two track round rods into the bilaterally symmetrical height adjusting holes, screwing a locking bolt in the model box to fix the track round rods, selecting a front supporting seat and a rear supporting seat of corresponding types according to the placing height of the track round rods, and sequentially sleeving the front supporting seat, a sliding sleeve at the lower part of the sliding bedplate, an elastic counterforce system and a rear supporting seat on the two track round rods; thirdly, fixing the rear end of the shield machine model in an arc-shaped limit groove by using a normal pin, erecting the front end of the shield machine model in a sliding groove of a front supporting seat, arranging a driving motor on a motor arranging table, and arranging a jack on a jack supporting table; fourthly, installing hole sealing sheets to seal through holes at the rear end of the base plate, adjusting the distance between the elastic counterforce system and the sliding bedplate, enabling the vertical parts of the telescopic plate and the sliding bedplate to clamp the jack pressure head, and fixing the position of the elastic counterforce system by using fastening bolts; fifthly, placing model soil in the model box, opening a driving motor to drive a cutter disc at the front end of the shield machine model to rotate, applying a jacking force by using a jack, pushing a sliding platen to move towards the model box, and realizing the step-by-step rotary digging of the model soil by referring to construction steps; in the simulation of the retraction state in the digging process, taking an intermediate digging step, closing a driving motor, keeping jack pressure, opening each hole sealing sheet, enabling the expansion plate to bear the supporting effect of a counter-force spring set, and enabling sliding short rods at four corners to freely extend out of holes at the back of the base plate; and reading the extension scale of the sliding short rod to obtain the retraction amount, and calculating the retraction pressure by combining the stiffness of the counter-force spring set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910899079.9A CN110530788B (en) | 2019-09-23 | 2019-09-23 | Test device for erecting shield tunnel excavation model and working method |
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| CN201910899079.9A CN110530788B (en) | 2019-09-23 | 2019-09-23 | Test device for erecting shield tunnel excavation model and working method |
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| CN110530788B true CN110530788B (en) | 2024-02-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114061992A (en) * | 2020-08-06 | 2022-02-18 | 中国电建集团华东勘测设计研究院有限公司 | Assembled model groove device for indoor shield tunneling test and test method thereof |
| CN111879364A (en) * | 2020-08-12 | 2020-11-03 | 青岛地铁集团有限公司 | Large-scale test platform for influence of subway vibration on surrounding environment |
| CN113107505B (en) * | 2021-05-27 | 2022-10-21 | 西南交通大学 | Multi-mode shield tunneling test research device |
| CN113586070A (en) * | 2021-06-01 | 2021-11-02 | 浙江工业大学 | Visual device for simulating shield excavation and monitoring tunnel and soil deformation and shield simulation test method |
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| JP2007303142A (en) * | 2006-05-11 | 2007-11-22 | Kumagai Gumi Co Ltd | Construction management method, construction management device and construction management program for shield tunnel |
| CN107288645A (en) * | 2017-08-07 | 2017-10-24 | 北京工业大学 | A kind of moveable model shielding machine initiator device of reaction support |
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2019
- 2019-09-23 CN CN201910899079.9A patent/CN110530788B/en active Active
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| JP2007303142A (en) * | 2006-05-11 | 2007-11-22 | Kumagai Gumi Co Ltd | Construction management method, construction management device and construction management program for shield tunnel |
| CN107288645A (en) * | 2017-08-07 | 2017-10-24 | 北京工业大学 | A kind of moveable model shielding machine initiator device of reaction support |
| CN211235467U (en) * | 2019-09-23 | 2020-08-11 | 福州大学 | Test device for erecting shield tunnel excavation model |
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| Title |
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| 基于透明土的盾构隧道模型试验设计研究;孙吉主;肖文辉;;武汉理工大学学报(第05期);全文 * |
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