CN113217016A - Simulation system and simulation method for tunnel shield construction and segment installation quality control - Google Patents
Simulation system and simulation method for tunnel shield construction and segment installation quality control Download PDFInfo
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- CN113217016A CN113217016A CN202110582193.6A CN202110582193A CN113217016A CN 113217016 A CN113217016 A CN 113217016A CN 202110582193 A CN202110582193 A CN 202110582193A CN 113217016 A CN113217016 A CN 113217016A
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- 238000004088 simulation Methods 0.000 title claims abstract description 52
- 238000009434 installation Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000003908 quality control method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000002411 adverse Effects 0.000 claims abstract description 5
- 238000007405 data analysis Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a simulation system and a simulation method for tunnel shield construction and segment installation quality control, which comprises a simulation tunnel fixing seat, a plurality of tunnel segments and a central processing unit, wherein a tunnel fixing groove is fixedly formed in the upper surface of the simulation tunnel fixing seat, a simulation tunnel is clamped and connected in the tunnel fixing groove, the plurality of tunnel segments form a plurality of ring-shaped parts, the plurality of ring-shaped parts are sequentially pushed into the simulation tunnel in a shield mode, one ring-shaped part is arranged as a detection ring, a pressure sensor is arranged on the detection ring, and the pressure sensor is connected with the central processing unit; the invention analyzes the data of the pressure change situation of the ring surface and the end surface between the segments of the second ring in the shield propelling and segment assembling process by the central processing unit, eliminates adverse influence factors and data of the end, obtains the influence degree of different areas and different thrusts on the stress between the segments in the segment assembling process, and improves the assembling quality and the sealing effect of the tunnel segments by analyzing the stress state of the segments.
Description
Technical Field
The invention relates to the technical field of tunnel segments, in particular to a simulation system and a simulation method for tunnel shield construction and segment installation quality control.
Background
With the development of urban infrastructure in China, the convenience of subways is acknowledged, and more cities are added to the line of building subways. For tunnel construction of soft soil foundation, a shield method is usually adopted, and a pipe slice assembling technology is a key link in the shield method construction. The segments of the shield tunnel are assembled under the protection of the shield shell, so that the prefabricated segments are connected ring by ring. Typically, the segments are made of steel pipe segments, concrete segments, and ductile iron segments. At present, a shield tunnel is usually provided with a reinforced concrete segment, and the reinforced concrete segment has the advantages of high strength, easiness in manufacturing and processing, corrosion resistance, low manufacturing cost and the like. Segment assembly is an important process of subway shield construction, each ring of segments is formed by assembling 6 segments by a segment assembling machine according to a certain sequence, and segment assembling quality is a key factor influencing the quality of the whole tunnel project. In the shield propelling process, the assembling quality and the stress state of the formed segments are influenced by the assembling quality of the segments and the thrust of the propelling oil cylinder. In addition, the stress of the duct piece in the shield tail and the stress of the duct piece after the duct piece is separated from the shield tail are different; the distribution state of the thrust cylinder has great influence on the dislocation of the duct piece, the sealing state of the duct piece and the like.
In actual engineering, the stress and deformation of a lining structure are originally a three-dimensional space problem, the whole stress and deformation effect of the lining structure can be influenced by the change of the thrust of jacks at different positions and the change of the pretightening force of a bolt, and although a plurality of scholars at home and abroad carry out certain research on the influence of the pretightening force on the stress performance of the joint of the lining structure at present, a simulation test system is lacked to support the test data of actual stress deformation.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the technical scheme adopted by the invention is that the simulation system for tunnel shield construction and segment installation quality control comprises a simulation tunnel fixing seat, a plurality of tunnel segments and a central processing unit, wherein a tunnel fixing groove is fixedly formed in the upper surface of the simulation tunnel fixing seat, a simulation tunnel is clamped and connected in the tunnel fixing groove, the plurality of tunnel segments form a plurality of ring-shaped pieces, the plurality of ring-shaped pieces are sequentially driven into the simulation tunnel in a shield mode, one ring-shaped piece is set as a detection ring, a pressure sensor is arranged on the detection ring, and the pressure sensor is connected with the central processing unit.
Preferably, connecting columns are fixedly connected to the surface of the simulation tunnel at equal intervals, clamping grooves are formed in the inner groove walls of the tunnel fixing grooves, and the connecting columns are arranged in the clamping grooves.
Preferably, the tunnel segment comprises a tunnel segment main body, wherein one side of the tunnel segment main body is provided with a first end face, and the other side of the tunnel segment main body is provided with a second end face; the tunnel segment main part is characterized in that an installation limiting block is arranged on the surface of one side of the tunnel segment main part, an installation limiting sliding groove is arranged on the surface of the other side of the tunnel segment main part, and the installation limiting block and the installation limiting sliding groove are connected with each other in a clamping mode between the tunnel segment main parts.
Preferably, a third pressure sensor is fixedly arranged in the middle of the arc-shaped end face of the tunnel segment main body on the detection ring, and a fourth pressure sensor is fixedly arranged on the lower side of the third pressure sensor.
Preferably, the first end face and the second end face of the detection ring are both provided with bolt holes, one side of each bolt hole on the first end face is fixedly provided with a first pressure sensor, and the other side of each bolt hole on the first end face is fixedly provided with a second pressure sensor; and a fifth pressure sensor is fixedly arranged on one side of the bolt hole on the second end surface, and a sixth pressure sensor is fixedly arranged on the other side of the bolt hole.
Preferably, the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor are all connected to the central processing unit.
Preferably, the pressure sensors are all B26QUP120M pressure sensors, and the CPU is an AMD CPU.
A simulation method of the simulation system for tunnel shield construction and segment installation quality control comprises the following steps: the method comprises the steps that a simulated tunnel is fixedly arranged on a simulated tunnel fixing seat, five groups of ring-shaped parts without pressure sensors are prepared and respectively set as a first ring, a third ring, a fourth ring, a fifth ring and a sixth ring, a detection ring is set as a second ring, the first ring is pushed into the simulated tunnel by a shield, the second ring is pushed into the shield, the stress condition of a node on each tunnel segment in the shield pushing process is detected through the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor on a tunnel segment main body, and detected data are transmitted to a central processing unit;
the central processing unit carries out data analysis on the pressure change conditions of the ring surface and the end surface between the segments of the second ring in the shield propelling and segment assembling processes, eliminates adverse influence factors and end data, obtains the influence degree of different areas and different thrust on stress between the segments in the tunnel segment assembling process, draws corresponding curves for related nodes according to the relation between the shield thrust and the deformation of the formed tunnel segment, and obtains the influence relation of the thrust change on the tunnel deformation.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the arrangement of the central processing unit, the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor, the shield firstly pushes the first ring into the simulation tunnel, then the shield pushes the second ring, the stress condition of each node on each segment in the shield pushing process is detected through the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor which are arranged on six segments, the detected data is transmitted to the central processing unit, then the third ring is continuously pushed and the stress condition of each node is detected, meanwhile, the thrust in the pushing process is recorded, the data is transmitted to the central processing unit, and so on, the fourth ring and the fourth ring are sequentially pushed, The fifth ring and the sixth ring record the detection data of each node, transmit the data to the central processing unit in proper order again, the central processing unit advances the shield, the anchor ring between the section of jurisdiction of second ring in the section of jurisdiction assembling process, the change situation of the pressure of terminal surface carries out data analysis, reject adverse effect factor and extreme data, obtain the section of jurisdiction assembling in-process different regions, the influence degree of thrust difference to atress between the section of jurisdiction, draw corresponding curve to relevant node according to the relation that shield thrust and shaping tunnel section of jurisdiction warp, obtain the influence relation that thrust change warp to the tunnel, through analyzing section of jurisdiction stress state, with the quality and the sealed effect of assembling that improve the tunnel section of jurisdiction, further guarantee the quality of shaping tunnel in the actual application.
Drawings
FIG. 1 is a perspective view of the structure of the simulated tunnel;
FIG. 2 is an elevational cross-sectional view of the simulated tunnel;
fig. 3 is a perspective view illustrating a connection state of the tunnel segments;
fig. 4 is a schematic sectional view showing a state where the tunnel segments are connected;
fig. 5 is a schematic perspective view of the tunnel segment;
fig. 6 is a structural elevation view of the tunnel segment;
fig. 7 is a simulation flow chart of the simulation system for tunnel shield construction and segment installation quality control.
The figures in the drawings represent:
1-simulating a tunnel fixing seat; 2-tunnel fixing groove; 3-a card slot; 4-simulating a tunnel; 5-connecting the column; 6-a first tunnel segment; 7-a second tunnel segment; 8-a third tunnel segment; 9-a fourth tunnel segment; 10-a fifth tunnel segment; 11-a sixth tunnel segment; 12-a tunnel segment body; 13-installing a limiting sliding chute; 14-mounting a limiting block; 15-a first pressure sensor; 16-bolt holes; 17-a second pressure sensor; 18-a first end face; 19-a third pressure sensor; 20-a fourth pressure sensor; 21-a fifth pressure sensor; 22-a second end face; 23-a sixth pressure sensor; 24-a central processing unit.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1 and fig. 2, fig. 1 is a perspective view of the structure of the simulated tunnel; FIG. 2 is an elevational cross-sectional view of the simulated tunnel; the simulation system for tunnel shield construction and segment installation quality control comprises a simulation tunnel fixing seat 1, a plurality of tunnel segments and a central processing unit 24.
The fixed surface has seted up tunnel fixed slot 2 on simulation tunnel fixing base 1, draw-in groove 3 has been seted up on the 2 inside cell walls of tunnel fixed slot, the joint is connected with simulation tunnel 4 in the 2 inside cell walls of tunnel fixed slot, 4 surperficial equidistance fixedly connected with spliced pole 5 in simulation tunnel, spliced pole 5 sets up in the draw-in groove 3.
As shown in fig. 3 and 4, fig. 3 is a perspective view illustrating a connection state of the tunnel segments; fig. 4 is a schematic sectional view showing a state where the tunnel segments are connected; the tunnel segment is provided with a first tunnel segment 6, a second tunnel segment 7, a third tunnel segment 8, a fourth tunnel segment 9, a fifth tunnel segment 10 and a sixth tunnel segment 11.
Specifically, the tunnel segment includes tunnel segment main part 12, tunnel segment main part 12 both sides set up installation stopper 14 respectively and install spacing spout 13, through adjacent two between the tunnel segment main part 12 installation stopper 14 with the mutual block of installation spacing spout 13 is connected, thereby will first tunnel segment 6 second tunnel segment 7 third tunnel segment 8 fourth tunnel segment 9 fifth tunnel segment 10 sixth tunnel segment 11 splices into the ring.
The connecting column 5 on the surface of one side of the simulation tunnel 4 is aligned with the clamping groove 3 on the groove wall of the tunnel fixing groove 2, so that the simulation tunnel 4 is fixedly installed on the simulation tunnel fixing seat 1.
Five groups of common duct pieces without pressure sensors are prepared and assembled into rings respectively, the common duct pieces are set as a first ring, a third ring, a fourth ring, a fifth ring and a sixth ring respectively, the first tunnel duct piece 6, the second tunnel duct piece 7, the third tunnel duct piece 8, the fourth tunnel duct piece 9, the fifth tunnel duct piece 10 and the sixth tunnel duct piece 11 are set as the second ring, so that the simulation of the construction and duct piece installation of a large-section tunnel can be effectively carried out indoors, and effective data support is provided for the research of the tunnel duct pieces.
The working principle is as follows: during the use, will 4 side surfaces in simulation tunnel spliced pole 5 with on 2 cell walls in tunnel fixed slot the draw-in groove 3 will simulation tunnel 4 fixed mounting is in on simulation tunnel fixing base 1, prepare five groups simultaneously and do not have the ordinary sections of jurisdiction of installing pressure sensor, assemble into the ring respectively with it, establish respectively to first ring, third ring, fourth ring, fifth ring and sixth ring, through tunnel section of jurisdiction main part 12 both sides install stopper 14 with install spacing spout 13, one side will first tunnel section of jurisdiction 6 second tunnel section of jurisdiction 7 third tunnel section of jurisdiction 8 fourth tunnel section of jurisdiction 9 fifth tunnel section of jurisdiction 10 with sixth tunnel section of jurisdiction 11 splices into the ring to set up to the second ring.
Example two
The first tunnel segment 6, the second tunnel segment 7, the third tunnel segment 8, the fourth tunnel segment 9, the fifth tunnel segment 10 and the sixth tunnel segment 11 have the same structure, and the first tunnel segment 6, the second tunnel segment 7, the third tunnel segment 8, the fourth tunnel segment 9, the fifth tunnel segment 10 and the sixth tunnel segment 11 are formed by the tunnel segment main body 12.
As shown in fig. 5 and 6, fig. 5 is a perspective view of the tunnel segment; fig. 6 is a structural elevation view of the tunnel segment; tunnel segment main part 12 one side is equipped with first terminal surface 18, tunnel segment main part 12 opposite side is equipped with second terminal surface 22, tunnel segment main part 12 one side fixed surface is connected with installation stopper 14, tunnel segment main part 12 opposite side surface is fixed has been seted up installation spacing spout 13, tunnel segment main part 12 middle part rigidity is equipped with third pressure sensor 19, the fixed fourth pressure sensor 20 that is equipped with of third pressure sensor 19 downside.
The first end face 18 and the second end face 22 are each provided with a bolt hole 16.
And a first pressure sensor 15 is fixedly arranged on one side of the bolt hole 16 on the first end surface 18, and a second pressure sensor 17 is fixedly arranged on the other side of the bolt hole.
And a fifth pressure sensor 21 is fixedly arranged on one side of the bolt hole 16 on the second end surface 22, and a sixth pressure sensor 23 is fixedly arranged on the other side of the bolt hole.
The first pressure sensor 15, the second pressure sensor 17, the third pressure sensor 19, the fourth pressure sensor 20, the fifth pressure sensor 21 and the sixth pressure sensor 23 are all connected to the central processing unit 24.
As shown in fig. 7, fig. 7 is a simulation flow chart of the simulation system for tunnel shield construction and segment installation quality control; the working principle is as follows: when in use, the connecting column 5 on the surface of one side of the simulated tunnel 4 is aligned with the clamping groove 3 on the wall of the tunnel fixing groove 2, the simulated tunnel 4 is fixedly installed on the simulated tunnel fixing seat 1, five groups of common duct pieces without pressure sensors are prepared at the same time and are respectively assembled into rings which are respectively set as a first ring, a third ring, a fourth ring, a fifth ring and a sixth ring, the first tunnel duct piece 6, the second tunnel duct piece 7, the third tunnel duct piece 8, the fourth tunnel duct piece 9, the fifth tunnel duct piece 10 and the sixth tunnel duct piece 11 are spliced into a ring at one side through the installation limiting blocks 14 and the installation limiting chutes 13 on the two sides of the tunnel duct piece main body 12 and are set as a second ring, firstly, the shield is pushed into the first ring, the first ring is pushed into the simulated tunnel 4, and then the shield is pushed into the second ring, and the stress condition of the node on each segment in the shield propelling process is detected by the first pressure sensor 15, the second pressure sensor 17, the third pressure sensor 19, the fourth pressure sensor 20, the fifth pressure sensor 21 and the sixth pressure sensor 23 which are arranged on six segments, and the detected data is transmitted to the central processing unit 24.
Through the arrangement of a central processing unit, a first pressure sensor, a second pressure sensor, a third pressure sensor, a fourth pressure sensor, a fifth pressure sensor and a sixth pressure sensor, firstly, a shield is pushed into a first ring, the first ring is pushed into a simulation tunnel, then, the shield is pushed into a second ring, the stress condition of a node on each pipe sheet in the shield pushing process is detected through the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor which are arranged on six pipe sheets, the detected data are transmitted to the central processing unit, then, the third ring is continuously pushed, the stress condition of each node is detected, meanwhile, the thrust in the pushing process is recorded, the data are transmitted to the central processing unit, and by analogy, the fourth ring, the fifth ring and the sixth ring are sequentially pushed, and the detection data of each node are recorded, and then sequentially transmitting the data to a central processing unit, wherein the central processing unit 24 analyzes the variation of the pressure of the ring surface and the end surface between the second ring segments in the shield propulsion and segment assembling process, eliminates adverse influence factors and end data to obtain the influence degree of different areas and different thrust on the stress between the segments in the segment assembling process, draws corresponding curves on related nodes according to the relation between the shield thrust and the deformation of the formed tunnel segment to obtain the influence relation of the thrust variation on the deformation of the tunnel, improves the assembling quality and the sealing effect of the tunnel segment by analyzing the stress state of the segment, and further ensures the quality of the formed tunnel in actual application, wherein the types of the pressure sensors are B26QUP120M pressure sensors, and the type of the central processing unit 24 is an AMD central processing unit.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a tunnel shield constructs simulation system of construction and section of jurisdiction installation quality control, a serial communication port, including simulation tunnel fixing base, a plurality of tunnel section of jurisdiction and central processing unit, simulation tunnel fixing base upper surface is fixed and has been seted up the tunnel fixed slot, the block is connected with the simulation tunnel in the tunnel fixed slot, and is a plurality of the tunnel section of jurisdiction forms the loop forming element, the loop forming element is provided with a plurality ofly, and is a plurality of the loop forming element shield in proper order impels extremely in the simulation tunnel, one the loop forming element sets up to detecting the ring, it is provided with pressure sensor on the detecting ring, pressure sensor with central processing unit connects.
2. The simulation system for tunnel shield construction and segment installation quality control according to claim 1, wherein connecting columns are fixedly connected to the surface of the simulated tunnel at equal intervals, clamping grooves are formed in inner wall of the tunnel fixing groove, and the connecting columns are arranged in the clamping grooves.
3. The simulation system for tunnel shield construction and segment installation quality control of claim 1, wherein the tunnel segment comprises a tunnel segment body having a first end face on one side and a second end face on the other side; the tunnel segment main part is characterized in that an installation limiting block is arranged on the surface of one side of the tunnel segment main part, an installation limiting sliding groove is arranged on the surface of the other side of the tunnel segment main part, and the installation limiting block and the installation limiting sliding groove are connected with each other in a clamping mode between the tunnel segment main parts.
4. The simulation system for tunnel shield construction and segment installation quality control according to claim 3, wherein a third pressure sensor is fixedly arranged at the middle position of the arc-shaped end surface of the segment main body on the detection ring, and a fourth pressure sensor is fixedly arranged at the lower side of the third pressure sensor.
5. The simulation system for tunnel shield construction and segment installation quality control according to claim 4, wherein bolt holes are formed in both the first end face and the second end face of the detection ring, a first pressure sensor is fixedly arranged on one side of each bolt hole in the first end face, and a second pressure sensor is fixedly arranged on the other side of each bolt hole in the first end face; and a fifth pressure sensor is fixedly arranged on one side of the bolt hole on the second end surface, and a sixth pressure sensor is fixedly arranged on the other side of the bolt hole.
6. The simulation system for tunnel shield construction and segment installation quality control according to claim 5, wherein the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor are all connected to the central processing unit.
7. The simulation system for tunnel shield construction and segment installation quality control of claim 1, wherein the pressure sensors are all B26QUP120M pressure sensors, and the central processing unit is an AMD central processing unit.
8. The simulation method of the simulation system for tunnel shield construction and segment installation quality control according to claim 6, comprising: the method comprises the steps that a simulated tunnel is fixedly arranged on a simulated tunnel fixing seat, five groups of ring-shaped parts without pressure sensors are prepared and respectively set as a first ring, a third ring, a fourth ring, a fifth ring and a sixth ring, a detection ring is set as a second ring, the first ring is pushed into the simulated tunnel by a shield, the second ring is pushed into the shield, the stress condition of a node on each tunnel segment in the shield pushing process is detected through the first pressure sensor, the second pressure sensor, the third pressure sensor, the fourth pressure sensor, the fifth pressure sensor and the sixth pressure sensor on a tunnel segment main body, and detected data are transmitted to a central processing unit;
the central processing unit carries out data analysis on the pressure change conditions of the ring surface and the end surface between the segments of the second ring in the shield propelling and segment assembling processes, eliminates adverse influence factors and end data, obtains the influence degree of different areas and different thrust on stress between the segments in the tunnel segment assembling process, draws corresponding curves for related nodes according to the relation between the shield thrust and the deformation of the formed tunnel segment, and obtains the influence relation of the thrust change on the tunnel deformation.
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| CN202110582193.6A CN113217016A (en) | 2021-05-26 | 2021-05-26 | Simulation system and simulation method for tunnel shield construction and segment installation quality control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773157A (en) * | 2022-11-30 | 2023-03-10 | 广东磐龙交通环境设施工程有限公司 | Tunnel sleeve device |
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| CN109459311A (en) * | 2018-12-19 | 2019-03-12 | 中国地质大学（武汉） | A kind of experimental provision for simulating pipe ring stress deformation in tunnel under different stress conditions |
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