CN107527546A - Simulation CRD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation - Google Patents
Simulation CRD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation Download PDFInfo
- Publication number
- CN107527546A CN107527546A CN201710643416.9A CN201710643416A CN107527546A CN 107527546 A CN107527546 A CN 107527546A CN 201710643416 A CN201710643416 A CN 201710643416A CN 107527546 A CN107527546 A CN 107527546A
- Authority
- CN
- China
- Prior art keywords
- wooden stick
- stick unit
- earth
- unit
- simulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 87
- 238000004088 simulation Methods 0.000 title claims abstract description 43
- 238000002474 experimental method Methods 0.000 title claims abstract description 16
- 239000002689 soil Substances 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 31
- 238000000605 extraction Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims description 18
- 239000002023 wood Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 8
- 241001269238 Data Species 0.000 claims description 4
- 239000005336 safety glass Substances 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The invention discloses the experimental provision that a kind of simulation CRD method constructing tunnels cause earth's surface deformation, including model casing, the soil body of the filling provided with compacting in model casing, tunnel hole is provided with the soil body, tunnel hole interpolation is equiped with wooden stick, wooden stick is provided with a longitudinally split face and at least one horizontal partition face along its axial direction, wooden stick is divided into left side wooden stick in longitudinally split face and left side wooden stick and right side wooden stick are divided at least two layers of wooden stick unit of setting stacked on top of one another by right side wooden stick two parts, at least one horizontal partition face respectively；Also include corresponding with wooden stick unit set and for wooden stick unit inserted from tunnel hole in extraction in tunnel hole as tunnel hole inwall lining cutting interior wall pieces, all interior wall pieces collectively form the shape and structure identical tubular structure with tunnel hole；Earth's surface deformation measuring system is additionally provided with above model casing.The invention also discloses the experimental method that a kind of simulation CRD method constructing tunnels cause earth's surface deformation.
Description
Technical field
It is specific to cause earth's surface for a kind of simulation CRD method constructing tunnels the invention belongs to underground engineering experimental technique field
The experimental provision and experimental method of deformation, the process that CRD method constructing tunnels cause earth's surface to deform can be simulated, is design and construction
The optimization of scheme provides foundation, and effective prediction work is played to the potential safety hazard of existed building around job site and structures
With.
Background technology
CRD construction full name intersect middle-wall method, are a kind of method for tunnel construction suitable for soft stratum, especially for
Control subsidence has good effect, is typically mainly used in the construction of urban subway.Because its cost is high, therefore on the mountain ridge
Less use in tunnel, but under special circumstances, it can also use, such as swelled ground stratum.In existing CRD methods constructing tunnel
In technology, focus mostly on the different CRD methods construction under specific engineering geological condition, without corresponding analogue means, therefore
Laboratory can not be simulated by CRD method constructing tunnel processes again.
The content of the invention
In view of this, it is an object of the invention to provide the experiment that a kind of simulation CRD method constructing tunnels cause earth's surface deformation
Device and experimental method, CRD method constructing tunnel processes can be accurately simulated, so as to be exploration and solution CRD method constructing tunnels
Data foundation is provided to earth's surface and the influence problem of building.
To reach above-mentioned purpose, the present invention provides following technical scheme：
Present invention firstly provides the experimental provision that a kind of simulation CRD method constructing tunnels cause earth's surface deformation, including model casing, institute
The soil body of the filling provided with compacting in model casing is stated, is provided with tunnel hole in the soil body, the tunnel hole interpolation is equiped with use
In the wooden stick for supporting the tunnel hole, the wooden stick is provided with a longitudinally split face and at least one transverse direction along its axial direction
The wooden stick is divided into left side wooden stick and right side wooden stick two parts, at least one horizontal stroke by divisional plane, the longitudinally split face
The left side wooden stick and right side wooden stick are divided at least two layers of wooden stick unit of setting stacked on top of one another respectively to divisional plane；Also wrap
Include to correspond with the wooden stick unit and set and for being inserted in the wooden stick unit from the tunnel hole in extraction
Enter in the tunnel hole as the tunnel hole inwall lining cutting interior wall pieces, all interior wall pieces collectively form and
The shape and structure identical tubular structure of the tunnel hole；Earth's surface deformation measuring system is additionally provided with above the model casing.
Further, the horizontal partition face is arranged to two, the left side wooden stick by the horizontal partition face be divided into from
Upper left wooden stick unit, left wooden stick unit and the lower-left wooden stick unit being up to cascading down；The right side wooden stick is by institute
State horizontal partition face and be divided into wooden stick unit and bottom right wooden stick list in the upper right wooden stick unit being cascading from top to bottom, the right side
Member；Or
The horizontal partition face is arranged to one, and the left side wooden stick is divided into above first by the horizontal partition face
Wooden stick unit and underlying second wooden stick unit, the right side wooden stick are divided into above by the horizontal partition face
3rd wooden stick unit and underlying 4th wooden stick unit.
Further, the horizontal partition face is arranged to two；The upper left wooden stick unit, left wooden stick unit, lower-left wood
The maximum gauge of wooden stick unit and bottom right wooden stick unit in the vertical direction is equal in rod unit, upper right wooden stick unit, the right side.
Further, wood in the upper left wooden stick unit, left wooden stick unit, lower-left wooden stick unit, upper right wooden stick unit, the right side
Handle I is respectively equipped with same one end end face of rod unit and bottom right wooden stick unit；And the upper left wooden stick unit, left wooden stick list
In member, lower-left wooden stick unit, upper right wooden stick unit, the right side graduated scale I is equipped with wooden stick unit and bottom right wooden stick unit.
Further, the horizontal partition face is arranged to one, the first wooden stick unit, the second wooden stick unit, the 3rd wood
The maximum gauge of rod unit and the 4th wooden stick unit on data direction is equal.
Further, the first wooden stick unit, the second wooden stick unit, the 3rd wooden stick unit and the 4th wooden stick unit is same
End end face is provided with handle II, and the first wooden stick unit, the second wooden stick unit, the 3rd wooden stick unit and the 4th wooden stick unit
Same one end end face be provided with graduated scale II.
Further, the interior wall pieces are used and are cut into the tunnel hole shape and structure identical PE pipes；The mould
Molding box is made of safety glass block.
Further, the earth's surface deformation measuring system includes being disposed on the installation crossbeam above the model casing, institute
State interval installation on installation crossbeam and be provided with amesdial, corresponding inserting with the amesdial in the soil body is provided with and described thousand
The measuring basis seat for dividing the measurement head of table to coordinate.
Further, the measuring basis seat is the hexagonal double-ended bolt being inserted into the soil body.
The invention also provides a kind of experiment dress for causing earth's surface to deform using simulation CRD method constructing tunnels as described above
Put to simulate the experimental method that CRD method constructing tunnels cause earth's surface to deform, comprise the following steps：
1）The soil body is successively inserted in the model casing and is tamped, and works as the soil body and inserts the downside that height reaches the tunnel hole
During edge, the wooden stick is placed on to the setting position of the model casing, and continues to insert the soil body, until the soil body all loads
Complete；
2）The earth's surface deformation measuring system is installed above the model casing；
3）After soil stabilization, tunnel excavation process simulation is carried out, tunnel excavation analogy method is：According to CRD method constructing tunnels
Process, the speed being calculated according to practice of construction process and the likelihood ratio, distance and time of stopping over extract the wood successively
Rod unit, and the interior wall pieces being correspondingly arranged with each wooden stick unit are inserted into the tunnel hole as lining cutting simultaneously；Directly
It is completely drawn out to all wooden stick units, all interior wall pieces are inserted into the tunnel hole；It is and real-time in the process
Record earth's surface deformation data；
4）Repeat step 1）To step 3）, at different rates, distance and the time simulation CRD method constructing tunnel mistakes that stop over
Journey, obtain different earth's surface deformation datas；
5）Following two relation curves are drawn according to obtained earth's surface deformation data：M- earth's surface deflection curve when a.；B. it is each
The final deformation curve of cross section earth's surface；Rule Summary, effective reference data is provided for final CRD method constructing tunnels.
The beneficial effects of the present invention are：
The simulation CRD method constructing tunnels of the present invention cause the experimental provision and experimental method of earth's surface deformation, can simulate CRD method tunnels
Influence of the road construction to earth's surface deformation, obtains the definite relation between different construction parameters and earth's surface deformation, is design and construction
The optimization of scheme provides foundation, and effective prediction work is played to the potential safety hazard of existed building around job site and structures
With.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the structural representation for the experimental provision embodiment 1 that present invention simulation CRD method constructing tunnels cause earth's surface deformation；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the experimental provision simulation tunnel digging process for causing earth's surface deformation using the present embodiment simulation CRD method constructing tunnels
Use state figure；
Fig. 4 is Fig. 3 rearview；
Fig. 5 is the structural representation for the experimental provision embodiment 2 that present invention simulation CRD method constructing tunnels cause earth's surface deformation；
Fig. 6 is the experimental provision simulation tunnel digging process for causing earth's surface deformation using the present embodiment simulation CRD method constructing tunnels
Use state figure；
Fig. 7 is Fig. 6 rearview.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
As shown in figure 1, the structure of the experimental provision embodiment 1 of earth's surface deformation is caused to be shown for present invention simulation CRD method constructing tunnels
It is intended to.The simulation CRD method constructing tunnels of the present embodiment cause the experimental provision that earth's surface deforms, including model casing 1, in model casing 1
The soil body 2 of the filling provided with compacting, the soil body 2 is interior to be provided with tunnel hole, and tunnel hole interpolation is equiped with for supporting tunnel hole
Wooden stick, wooden stick are provided with a longitudinally split face and at least one horizontal partition face along its axial direction, and longitudinally split face is by wooden stick
It is divided into left side wooden stick and right side wooden stick two parts, at least one horizontal partition face splits left side wooden stick and right side wooden stick respectively
For at least two layers of wooden stick unit of setting stacked on top of one another.Specifically, the horizontal partition face of the present embodiment is arranged to two, left side wood
Rod is divided into the upper left wooden stick unit 3 being cascading from top to bottom, left wooden stick unit 4 and lower-left wood by horizontal partition face
Rod unit 5；Right side wooden stick is divided into wood in the upper right wooden stick unit 6 being cascading from top to bottom, the right side by horizontal partition face
Rod unit 7 and bottom right wooden stick unit 8, two horizontal partition faces are parallel to each other, and horizontal partition face is vertical with longitudinally split face, indulge
It is located to divisional plane on vertical direction.
The experimental provision that the simulation CRD method constructing tunnels of the present embodiment cause earth's surface to deform also is included with wooden stick unit one by one
It is correspondingly arranged and is used to insert in tunnel hole as in tunnel hole in extraction from tunnel hole in wooden stick unit
The interior wall pieces that wall liner is built, it is respectively interior wall pieces 3a, interior wall pieces 4a, interior wall pieces 5a, interior wall pieces 6a, interior wall pieces 7a and interior wall pieces 8a,
All interior wall pieces collectively form the shape and structure identical tubular structure with tunnel hole；The top of model casing 1 is additionally provided with ground
Table deformation measuring system.
The earth's surface deformation measuring system of the present embodiment includes the installation crossbeam 9 for being disposed on the top of model casing 1, and installation is horizontal
Interval installation is provided with amesdial 10 on beam 9, is provided with the measurement head with amesdial 10 in the soil body 2 with the one-to-one corresponding inserting of amesdial 10
The measuring basis seat 11 of cooperation.The measuring basis seat 11 of the present embodiment is the hexagonal double-ended bolt being inserted into the soil body 2.
Specifically, the upper left wooden stick unit 3 of the present embodiment, left wooden stick unit 4, lower-left wooden stick unit 5, upper right wooden stick list
The maximum gauge of wooden stick unit 7 and the in the vertical direction of bottom right wooden stick unit 8 is equal in member 6, the right side.Upper left wooden stick unit 3, a left side
Same one end of wooden stick unit 7 and bottom right wooden stick unit 8 in middle wooden stick unit 4, lower-left wooden stick unit 5, upper right wooden stick unit 6, the right side
Handle I 12 is respectively equipped with end face；And upper left wooden stick unit 3, left wooden stick unit 4, lower-left wooden stick unit 5, upper right wooden stick list
In member 6, the right side graduated scale I is equipped with wooden stick unit 7 and bottom right wooden stick unit 8.
The interior wall pieces of the present embodiment are used and are cut into tunnel hole shape and structure identical PE pipes；Model casing 1 uses
Safety glass block is made.Specifically, the radial section of the tunnel hole of the present embodiment is circle, on the front-rear side walls of model casing with
Tunnel hole is correspondingly provided with through hole.
The experimental provision that earth's surface deforms is caused using the simulation CRD method constructing tunnels of the present embodiment to simulate CRD methods tunnel
Construction causes the experimental method that earth's surface deforms, and comprises the following steps：
1）The soil body 2 is successively inserted in model casing 1 and is tamped, and works as the soil body 2 and inserts the lower edge that height reaches tunnel hole
When, wooden stick is placed on to the setting position of model casing, and continue to insert the soil body 2, until the soil body all complete by filling；
2）Earth's surface deformation measuring system is installed above model casing 1；
3）After the soil body 2 is stable, tunnel excavation process simulation is carried out, tunnel excavation analogy method is：According to CRD method constructing tunnels
Process, the speed being calculated according to practice of construction process and the likelihood ratio, distance and time of stopping over extract wooden stick list successively
Member, i.e., according to setting parameter by upper left wooden stick unit 3, left wooden stick unit 4, lower-left wooden stick unit 5, upper right wooden stick unit 6,
Wooden stick unit 7 and bottom right wooden stick unit 8 are extracted successively in the right side, and simultaneously insert the interior wall pieces being correspondingly arranged with each wooden stick unit
Enter into tunnel hole and be used as lining cutting；Until all wooden stick units are completely drawn out, all interior wall pieces are inserted into Tunnel-hole
In hole；And record earth's surface deformation data in real time in the process；
4）Repeat step 1）To step 3）, at different rates, distance and the time simulation CRD method constructing tunnel mistakes that stop over
Journey, obtain different earth's surface deformation datas；
5）Following two relation curves are drawn according to obtained earth's surface deformation data：M- earth's surface deflection curve when a.；B. it is each
The final deformation curve of cross section earth's surface；Rule Summary, effective reference data is provided for final CRD method constructing tunnels.
The simulation CRD method constructing tunnels of the present embodiment cause the experimental provision and experimental method of earth's surface deformation, can simulate
The influence that CRD methods constructing tunnel deforms to earth's surface, the definite relation between different construction parameters and earth's surface deformation is obtained, for design
Optimization with arrangement and method for construction provides foundation, and the potential safety hazard of existed building around job site and structures is played effectively in advance
Survey acts on.
Embodiment 2
As shown in figure 4, the structure of the experimental provision embodiment 2 of earth's surface deformation is caused to be shown for present invention simulation CRD method constructing tunnels
It is intended to.The simulation CRD method constructing tunnels of the present embodiment cause the experimental provision that earth's surface deforms, including model casing 1, in model casing 1
The soil body 2 of the filling provided with compacting, the soil body 2 is interior to be provided with tunnel hole, and tunnel hole interpolation is equiped with for supporting tunnel hole
Wooden stick, wooden stick are provided with a longitudinally split face and at least one horizontal partition face along its axial direction, and longitudinally split face is by wooden stick
It is divided into left side wooden stick and right side wooden stick two parts, at least one horizontal partition face splits left side wooden stick and right side wooden stick respectively
For at least two layers of wooden stick unit of setting stacked on top of one another.Specifically, the horizontal partition face of the present embodiment is arranged to one, left side wood
Rod is divided into the first wooden stick unit 13 above and underlying second wooden stick unit 14, right side wood by horizontal partition face
Rod is divided into the 3rd wooden stick unit 15 above and underlying 4th wooden stick unit 16 by horizontal partition face.This implementation
The horizontal partition face of example is vertical with longitudinally split face, and longitudinally split face is located on vertical direction.
Specifically, the first wooden stick unit 13, the second wooden stick unit 14, the 3rd wooden stick unit 15 and the 4th wooden stick unit 16 exist
Maximum gauge on data direction is equal.First wooden stick unit 13, the second wooden stick unit 14, the 3rd wooden stick unit 15 and the 4th wood
Same one end end face of rod unit 16 is provided with handle II 17, and the first wooden stick unit 13, the second wooden stick unit 14, the 3rd wooden stick list
Same one end end face of the wooden stick unit 16 of member 15 and the 4th is provided with graduated scale II.
The experimental provision that the simulation CRD method constructing tunnels of the present embodiment cause earth's surface to deform also is included with wooden stick unit one by one
It is correspondingly arranged and is used to insert in tunnel hole as in tunnel hole in extraction from tunnel hole in wooden stick unit
The interior wall pieces that wall liner is built, it is respectively that interior wall pieces 13a, interior wall pieces 14a, interior wall pieces 15a and interior wall pieces 16a, all interior wall pieces are total to
With the shape and structure identical tubular structure formed with tunnel hole；The top of model casing 1 is additionally provided with earth's surface deformation measuring system.
The other structures of the present embodiment are same as Example 1, no longer tire out one by one and state.
The interior wall pieces of the present embodiment are used and are cut into tunnel hole shape and structure identical PE pipes；Model casing 1 uses
Safety glass block is made.Specifically, the radial section of the tunnel hole of the present embodiment is circle.
The experimental provision that earth's surface deforms is caused using the simulation CRD method constructing tunnels of the present embodiment to simulate CRD methods tunnel
Construction causes the experimental method that earth's surface deforms, and comprises the following steps：
1）The soil body 2 is successively inserted in model casing 1 and is tamped, and works as the soil body 2 and inserts the lower edge that height reaches tunnel hole
When, wooden stick is placed on to the setting position of model casing, and continue to insert the soil body 2, until the soil body all complete by filling；
2）Earth's surface deformation measuring system is installed above model casing 1；
3）After the soil body 2 is stable, tunnel excavation process simulation is carried out, tunnel excavation analogy method is：According to CRD method constructing tunnels
Process, the speed being calculated according to practice of construction process and the likelihood ratio, distance and time of stopping over extract wooden stick list successively
Member, i.e., according to the parameter of setting by the first wooden stick unit 13, the second wooden stick unit 14, the 3rd wooden stick unit 15 and the 4th wooden stick list
Member 16 is extracted successively；And the interior wall pieces being correspondingly arranged with each wooden stick unit are inserted into tunnel hole as lining cutting simultaneously；
Until all wooden stick units are completely drawn out, all interior wall pieces are inserted into tunnel hole；And remember in real time in the process
Record earth's surface deformation data；
4）Repeat step 1）To step 3）, at different rates, distance and the time simulation CRD method constructing tunnel mistakes that stop over
Journey, obtain different earth's surface deformation datas；
5）Following two relation curves are drawn according to obtained earth's surface deformation data：M- earth's surface deflection curve when a.；B. it is each
The final deformation curve of cross section earth's surface；Rule Summary, effective reference data is provided for final CRD method constructing tunnels.
The simulation CRD method constructing tunnels of the present embodiment cause the experimental provision and experimental method of earth's surface deformation, can simulate
The influence that CRD methods constructing tunnel deforms to earth's surface, the definite relation between different construction parameters and earth's surface deformation is obtained, for design
Optimization with arrangement and method for construction provides foundation, and the potential safety hazard of existed building around job site and structures is played effectively in advance
Survey acts on.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of simulation CRD method constructing tunnels cause the experimental provision that earth's surface deforms, it is characterised in that：It is described including model casing
The soil body of the filling provided with compacting in model casing, the soil body is interior to be provided with tunnel hole, and the tunnel hole interpolation, which is equiped with, to be used for
The wooden stick of the tunnel hole is supported, the wooden stick is provided with a longitudinally split face and at least one transverse direction point along its axial direction
The wooden stick is divided into left side wooden stick and right side wooden stick two parts, at least one transverse direction by face, the longitudinally split face
The left side wooden stick and right side wooden stick are divided at least two layers of wooden stick unit of setting stacked on top of one another by divisional plane respectively；Also include
Correspond and set and for being inserted in the wooden stick unit from the tunnel hole in extraction with the wooden stick unit
The interior wall pieces of the interior inwall lining cutting as the tunnel hole of the tunnel hole, all interior wall pieces collectively form and institute
State the shape and structure identical tubular structure of tunnel hole；Earth's surface deformation measuring system is additionally provided with above the model casing.
2. simulation CRD method constructing tunnels according to claim 1 cause the experimental provision that earth's surface deforms, it is characterised in that：
The horizontal partition face is arranged to two, and the left side wooden stick is divided into stack gradually from top to bottom and set by the horizontal partition face
Upper left wooden stick unit, left wooden stick unit and the lower-left wooden stick unit put；The right side wooden stick is split by the horizontal partition face
For be once stacked from top to bottom upper right wooden stick unit, it is right in wooden stick unit and bottom right wooden stick unit；Or
The horizontal partition face is arranged to one, and the left side wooden stick is divided into above first by the horizontal partition face
Wooden stick unit and underlying second wooden stick unit, the right side wooden stick are divided into above by the horizontal partition face
3rd wooden stick unit and underlying 4th wooden stick unit.
3. simulation CRD method constructing tunnels according to claim 2 cause the experimental provision that earth's surface deforms, it is characterised in that：
The horizontal partition face is arranged to two；The upper left wooden stick unit, left wooden stick unit, lower-left wooden stick unit, upper right wooden stick
The maximum gauge of wooden stick unit and bottom right wooden stick unit in the vertical direction is equal in unit, the right side.
4. simulation CRD method constructing tunnels according to claim 3 cause the experimental provision that earth's surface deforms, it is characterised in that：
Wooden stick unit and bottom right wood in the upper left wooden stick unit, left wooden stick unit, lower-left wooden stick unit, upper right wooden stick unit, the right side
Handle I is respectively equipped with same one end end face of rod unit；And the upper left wooden stick unit, left wooden stick unit, lower-left wooden stick list
In member, upper right wooden stick unit, the right side graduated scale I is equipped with wooden stick unit and bottom right wooden stick unit.
5. simulation CRD method constructing tunnels according to claim 2 cause the experimental provision that earth's surface deforms, it is characterised in that：
The horizontal partition face is arranged to one, the first wooden stick unit, the second wooden stick unit, the 3rd wooden stick unit and the 4th wooden stick
Maximum gauge of the unit on data direction is equal.
6. simulation CRD method constructing tunnels according to claim 5 cause the experimental provision that earth's surface deforms, it is characterised in that：
The first wooden stick unit, the second wooden stick unit, same one end end face of the 3rd wooden stick unit and the 4th wooden stick unit are provided with hand
Handle II, and the first wooden stick unit, the second wooden stick unit, the 3rd wooden stick unit and the 4th wooden stick unit same one end end face on
Provided with graduated scale II.
7. simulation CRD method constructing tunnels according to claim 1 cause the experimental provision that earth's surface deforms, it is characterised in that：
The interior wall pieces are used and are cut into the tunnel hole shape and structure identical PE pipes；The model casing uses safety glass
Block is made.
8. the simulation CRD method constructing tunnels according to claim any one of 1-7 cause the experimental provision that earth's surface deforms, it is special
Sign is：The earth's surface deformation measuring system includes being disposed on the installation crossbeam above the model casing, and the installation is horizontal
Interval installation is provided with amesdial on beam, is provided with the survey with the amesdial in the soil body with amesdial one-to-one corresponding inserting
Measure the measuring basis seat that head coordinates.
9. simulation CRD method constructing tunnels according to claim 8 cause the experimental provision that earth's surface deforms, it is characterised in that：
The measuring basis seat is the hexagonal double-ended bolt being inserted into the soil body.
10. a kind of simulation CRD method constructing tunnels using as described in claim any one of 1-9 cause the experiment dress that earth's surface deforms
Put to simulate the experimental method that CRD method constructing tunnels cause earth's surface to deform, it is characterised in that：Comprise the following steps：
1）The soil body is successively inserted in the model casing and is tamped, and works as the soil body and inserts the downside that height reaches the tunnel hole
During edge, the wooden stick is placed on to the setting position of the model casing, and continues to insert the soil body, until the soil body all loads
Complete；
2）The earth's surface deformation measuring system is installed above the model casing；
3）After soil stabilization, tunnel excavation process simulation is carried out, tunnel excavation analogy method is：According to CRD method constructing tunnels
Process, the speed being calculated according to practice of construction process and the likelihood ratio, distance and time of stopping over extract the wood successively
Rod unit, and the interior wall pieces being correspondingly arranged with each wooden stick unit are inserted into the tunnel hole as lining cutting simultaneously；Directly
It is completely drawn out to all wooden stick units, all interior wall pieces are inserted into the tunnel hole；It is and real-time in the process
Record earth's surface deformation data；
4）Repeat step 1）To step 3）, at different rates, distance and the time simulation CRD method constructing tunnel mistakes that stop over
Journey, obtain different earth's surface deformation datas；
5）Following two relation curves are drawn according to obtained earth's surface deformation data：M- earth's surface deflection curve when a.；B. it is each
The final deformation curve of cross section earth's surface；Rule Summary, effective reference data is provided for final CRD method constructing tunnels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643416.9A CN107527546A (en) | 2017-07-31 | 2017-07-31 | Simulation CRD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710643416.9A CN107527546A (en) | 2017-07-31 | 2017-07-31 | Simulation CRD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107527546A true CN107527546A (en) | 2017-12-29 |
Family
ID=60680443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710643416.9A Pending CN107527546A (en) | 2017-07-31 | 2017-07-31 | Simulation CRD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107527546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643925A (en) * | 2018-05-17 | 2018-10-12 | 中铁十二局集团有限公司 | Intersect the cycle construction method of the tunneling section under mid-board engineering method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314188A (en) * | 2002-04-23 | 2003-11-06 | Ohbayashi Corp | Method for predicting settlement in excavation of tunnel |
| CN101144384A (en) * | 2007-11-01 | 2008-03-19 | 中铁二局股份有限公司 | Tunnel engineering non-blasting weak disturbance excavating method |
| CN101900642A (en) * | 2010-04-27 | 2010-12-01 | 西安理工大学 | Physical model test device and method for ground fissure earth tunnel |
| CN102226399A (en) * | 2011-06-02 | 2011-10-26 | 中铁二院工程集团有限责任公司 | Soft rock four-line large-span tunnel three-bench cable-bracing excavation construction method |
| CN103000068A (en) * | 2012-08-28 | 2013-03-27 | 浙江工业大学 | Tunnel construction process simulating test method |
| CN103105310A (en) * | 2013-01-22 | 2013-05-15 | 北京工业大学 | Testing device and method of ground deformation caused by simulating metro shield tunnel construction |
| CN104713987A (en) * | 2015-01-25 | 2015-06-17 | 北京工业大学 | Model test apparatus for stimulating tunnel excavation process |
| CN207397573U (en) * | 2017-07-31 | 2018-05-22 | 杭州市地下空间建设发展中心 | Simulation CRD method constructing tunnels cause the experimental provision that earth's surface deforms |
-
2017
- 2017-07-31 CN CN201710643416.9A patent/CN107527546A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314188A (en) * | 2002-04-23 | 2003-11-06 | Ohbayashi Corp | Method for predicting settlement in excavation of tunnel |
| CN101144384A (en) * | 2007-11-01 | 2008-03-19 | 中铁二局股份有限公司 | Tunnel engineering non-blasting weak disturbance excavating method |
| CN101900642A (en) * | 2010-04-27 | 2010-12-01 | 西安理工大学 | Physical model test device and method for ground fissure earth tunnel |
| CN102226399A (en) * | 2011-06-02 | 2011-10-26 | 中铁二院工程集团有限责任公司 | Soft rock four-line large-span tunnel three-bench cable-bracing excavation construction method |
| CN103000068A (en) * | 2012-08-28 | 2013-03-27 | 浙江工业大学 | Tunnel construction process simulating test method |
| CN103105310A (en) * | 2013-01-22 | 2013-05-15 | 北京工业大学 | Testing device and method of ground deformation caused by simulating metro shield tunnel construction |
| CN104713987A (en) * | 2015-01-25 | 2015-06-17 | 北京工业大学 | Model test apparatus for stimulating tunnel excavation process |
| CN207397573U (en) * | 2017-07-31 | 2018-05-22 | 杭州市地下空间建设发展中心 | Simulation CRD method constructing tunnels cause the experimental provision that earth's surface deforms |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643925A (en) * | 2018-05-17 | 2018-10-12 | 中铁十二局集团有限公司 | Intersect the cycle construction method of the tunneling section under mid-board engineering method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Analysis of ground movement due to metro station driven with enlarging shield tunnels under building and its parameter sensitivity analysis | |
| CN104568706A (en) | Fluid-solid coupled similar simulation experimental platform | |
| CN103837360B (en) | A kind of tunneltron canopy construction method excavation simulation device and implementation thereof | |
| CN103940394B (en) | The monitoring system and method for tunneltron canopy construction method excavation simulation device | |
| CN203745218U (en) | Simulation excavation apparatus of tunnel pipe roof construction method | |
| CN106066920A (en) | The overlapping tunnel shield-tunneling construction numerical analysis method to underpining Influence of Pile Foundation up and down | |
| CN103866736B (en) | The shake of a kind of ore deposit is on the physical simulation experiment system and method for coal mine underground reservoir impact | |
| CN204359659U (en) | A kind of fluid structurecoupling similarity simulation experiment platform | |
| CN103061774A (en) | Shield tunnel construction environment simulation unit | |
| CN110967252A (en) | Device for simulating influence of shield tunnel construction on existing tunnel and using method thereof | |
| CN104196012A (en) | Karst cave processing method based on BIM | |
| CN108362856B (en) | Model experiment device for simulating long-term ground settlement of urban high-density area | |
| CN110362932B (en) | Shallow subsurface tunnel pipe curtain structure calculation model that buries under complicated environmental condition | |
| CN207397573U (en) | Simulation CRD method constructing tunnels cause the experimental provision that earth's surface deforms | |
| CN109826633A (en) | Existing shield tunnel simulator and analogy method are worn under a kind of shield machine | |
| CN107527546A (en) | Simulation CRD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation | |
| CN109087028A (en) | Karst strata metro construction shield machine section risk evaluating method and system | |
| CN207063983U (en) | A kind of simulation CD method constructing tunnels cause the experimental provision that earth's surface deforms | |
| CN108205055B (en) | Shallow undercut tunnel stratum deformation test system that buries under operation highway | |
| Katebi et al. | The influence of surface buildings and ground stratification on lining loads applying the finite element method | |
| CN107524446A (en) | Simulation CD method constructing tunnels cause the experimental provision and experimental method of earth's surface deformation | |
| CN112257154B (en) | Transparent construction monitoring method and system for urban tunnel | |
| Zhang et al. | Numerical simulation on the stability of surrounding rock of horizontal rock strata in the tunnel | |
| CN107024575A (en) | Simulate experimental rig and test method that tunneling boring constructing tunnel triggers earth's surface deformation | |
| Wei et al. | Numerical simulation of effect of foundation pit excavation on underlain shield tunnel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171229 |