CN107091633A - A kind of shield driving simulation test device and its test method - Google Patents
A kind of shield driving simulation test device and its test method Download PDFInfo
- Publication number
- CN107091633A CN107091633A CN201710428323.4A CN201710428323A CN107091633A CN 107091633 A CN107091633 A CN 107091633A CN 201710428323 A CN201710428323 A CN 201710428323A CN 107091633 A CN107091633 A CN 107091633A
- Authority
- CN
- China
- Prior art keywords
- shield driving
- driving device
- shield
- casing
- tunnel model
- 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
- 238000004088 simulation Methods 0.000 title claims abstract description 19
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 239000002689 soil Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 11
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of shield driving simulation test device and its test method, including casing and shield driving model, shield driving model include the shield driving device and tunnel model that thickness is nested；The top of casing is provided with the opening for being used for being put into the soil body, and the relative both sides of casing are equipped with the through hole for being available for shield driving device to pass through, and two through hole is coaxially disposed；Shield driving device carries the tubular at cylinder bottom in one end open one end, and cylinder bottom is provided with axial handle；Tunnel model in a tubular form, and tunnel model through shield driving device opening and positioned at shield driving device interior intracavitary；Shield driving device is coaxially nested with tunnel model, and shield driving device can slide axially along the outer surface of tunnel model, and is provided with scale on the outer surface of shield driving device vertically.Using the present invention device implement experimental method, can laboratory simulation shield work progress, to understand the affecting laws that shield-tunneling construction is deformed to earth's surface.
Description
Technical field
The present invention relates to a kind of shield driving simulation test device and its test method.
Background technology
Have that driving speed is fast using shield construction, Functionality, quality and appealing design, working security small to surrounding environment influence relatively
High the advantages of.But shield-tunneling construction also brings along a series of problem, it is therefore desirable in advance in the construction of laboratory simulation shield
Process, to understand the affecting laws that shield-tunneling construction is deformed to earth's surface.
The deformation of earth's surface that shield-tunneling construction is caused is primarily due to the loss on stratum, with simulating in advance during shield-tunneling construction
The damaed cordition of layer, while different operating modes can be simulated according to different engineering backgrounds, can quickly and accurately be estimated with this
Engineering earth's surface deformation is calculated, is that the construction of later stage engineering makes reference.
Current Surface Deformation of Shield Tunnel numerical value is mainly calculated by Peck formula, can also be obtained by other theoretical calculations
Arrive.But Practical Project often complicated condition, it is not high by deformation numerical value accuracy rate obtained by theoretical calculation, and to becoming in Practical Project
Shape values dictate is strict, therefore extremely important with theoretical calculation and test simulation.Test simulation can improve accuracy rate, so that
Meet engineering requirements.
The content of the invention
To overcome defect present in background technology, the present invention provides a kind of shield driving simulation test device and its experiment
Method.
Technical proposal that the invention solves the above-mentioned problems is：
A kind of shield driving simulation test device, including casing and shield driving model, the shield driving model include
Shield driving device and tunnel model that thickness is nested；
The top of the casing is provided with the opening for being used for being put into the soil body, and the relative both sides of the casing, which are equipped with, is available for shield
The through hole that propulsion plant is passed through, and two through hole is coaxially disposed；
The shield driving device carries the tubular at cylinder bottom in one end open one end, and cylinder bottom is provided with axial handle；Institute
State tunnel model in a tubular form, and opening of the tunnel model through shield driving device and the interior intracavitary positioned at shield driving device；
Shield driving device is coaxially disposed with tunnel model, and shield driving device can axially slidably be set in tunnel along tunnel model
Scale is provided with model, and on the outer surface of shield driving device vertically.
Further, the shield driving device is steel pipe.
Further, the tunnel model is managed for PE.
Further, the external diameter of shield driving device and the aperture of through hole are equal.
The test method implemented using a kind of shield driving simulation test device of the present invention, is comprised the following steps：
Step 1, the soil body and the compacting of scheduled volume are filled into casing, so that the top surface of the soil body is smooth, and makes via bottoms
Tangent line be located at the soil body top surface where plane on；
Step 2, the axial direction from the through hole of casing side along through hole is put into shield driving device into casing, and make handle from
Expose in the through hole of opposite side；
Step 3, it is put into tunnel model into shield driving device from the opening of shield driving device one end；
Step 4, the soil body and the compacting of scheduled volume are continued to fill up into casing；
Step 5, it is ensured that tunnel model is motionless, and hold the handle of shield driving device and extracted out by predetermined speed to outside casing
Shield driving device, tunnel model is gradually contacted with the soil body, and shield driving device is finally separated with casing, is pushed away with simulating shield
Enter the process in constructing structure tunnel.
Beneficial effects of the present invention are mainly manifested in：
1st, experimental rig of the present invention is simple in construction, cheap, facilitates handy.
2nd, implement described test method using device of the present invention, can laboratory simulation shield construction
Journey, to understand the affecting laws that shield-tunneling construction is deformed to earth's surface.
Brief description of the drawings
Fig. 1 is the front view of experimental rig of the present invention.
Fig. 2 is the schematic diagram of shield driving model.
Fig. 3 is Fig. 2 side view.
Embodiment
Referring to the drawings, a kind of shield driving simulation test device, including casing 1 and shield driving model, the shield are pushed away
Entering model includes shield driving device 2 and tunnel model 3 that thickness is nested；
The top of the casing 1 is provided with the opening for being used for being put into the soil body, and the relative both sides of the casing 1, which are equipped with, is available for shield
The through hole that structure propulsion plant is passed through, and two through hole is coaxially disposed；
The shield driving device 2 carries the tubular at cylinder bottom in one end open one end, and cylinder bottom is provided with axial handle 4；
The tunnel model in a tubular form 3, and tunnel model 3 passes through the opening of shield driving device 2 and positioned at the interior of shield driving device 2
Intracavitary；Shield driving device 2 is coaxially disposed with tunnel model 3, shield driving device 2 can along tunnel model 3 outer surface axle
Scale is provided with vertically to being slidably set on tunnel model 3, and on the outer surface of shield driving device 2, to measure extraction
Length.
The shield driving device 2 is sheet steel pipe, and sheet steel pipe can effectively support the soil body.
The tunnel model 3 is managed for PE.
The external diameter of shield driving device 2 is equal with the aperture of through hole.
The external diameter of the tunnel model 3 is slightly less than the external diameter of shield driving device 2, and shield cutter is simulated slightly larger than lining with this
Build diameter.
The test method implemented using a kind of shield driving simulation test device of the present invention, is comprised the following steps：
Step 1, the soil body and the compacting of scheduled volume are filled into casing 1, so that the top surface of the soil body is smooth, and makes via bottoms
Tangent line be located at the soil body top surface where plane on；
Step 2, shield driving device 2 is put into casing 1 from the through hole of the side of casing 1 along the axial direction of through hole, and makes handle
Hand 4 exposes out of opposite side through hole；
Step 3, the opening from the one end of shield driving device 2 is put into tunnel model 3 into shield driving device 2；
Step 4, the soil body and the compacting of scheduled volume are continued to fill up into casing 1；
Step 5, it is ensured that tunnel model 3 is motionless, and the handle 4 of shield driving device 2 is held by predetermined speed to outside casing 1
Extract shield driving device 2 out, tunnel model 3 is gradually contacted with the soil body, and shield driving device 2 is finally separated with casing 1, with mould
Intend the process in shield driving constructing structure tunnel.
Experimental test instrument (such as amesdial) can be installed on the soil body, after step 4 end, before step 5 beginning to survey
Measure the sedimentation situation of the soil body during step 5 is implemented.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (5)
1. a kind of shield driving simulation test device, it is characterised in that：Including casing and shield driving model, the shield driving
Model includes the shield driving device and tunnel model that thickness is nested；
The top of the casing is provided with the opening for being used for being put into the soil body, and the relative both sides of the casing, which are equipped with, is available for shield driving
The through hole that device is passed through, and two through hole is coaxially disposed；
The shield driving device carries the tubular at cylinder bottom in one end open one end, and cylinder bottom is provided with axial handle；The tunnel
Road model in a tubular form, and tunnel model through shield driving device opening and positioned at shield driving device interior intracavitary；Shield
Propulsion plant is coaxially disposed with tunnel model, and shield driving device can axially slidably be set in tunnel model along tunnel model
On, and vertically provided with scale on the outer surface of shield driving device.
2. a kind of shield driving simulation test device as claimed in claim 1, it is characterised in that：The shield driving device is
Steel pipe.
3. a kind of shield driving simulation test device as claimed in claim 2, it is characterised in that：The tunnel model is PE
Pipe.
4. a kind of shield driving simulation test device as claimed in claim 3, it is characterised in that：The external diameter of shield driving device
It is equal with the aperture of through hole.
5. the test method implemented using a kind of shield driving simulation test device as described in claim any one of 1-4, its
It is characterised by, comprises the following steps：
Step 1, the soil body and the compacting of scheduled volume are filled into casing, so that the top surface of the soil body is smooth, and makes cutting for via bottoms
Line is in the plane where the top surface of the soil body；
Step 2, the axial direction from the through hole of casing side along through hole is put into shield driving device into casing, and makes handle from another
Expose in the through hole of side；
Step 3, it is put into tunnel model into shield driving device from the opening of shield driving device one end；
Step 4, the soil body and the compacting of scheduled volume are continued to fill up into casing；
Step 5, it is ensured that tunnel model is motionless, and hold the handle of shield driving device and extract shield out to outside casing by predetermined speed
Propulsion plant, tunnel model is gradually contacted with the soil body, and shield driving device is finally separated with casing, is applied with simulating shield driving
Work constructs the process in tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428323.4A CN107091633A (en) | 2017-06-08 | 2017-06-08 | A kind of shield driving simulation test device and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428323.4A CN107091633A (en) | 2017-06-08 | 2017-06-08 | A kind of shield driving simulation test device and its test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091633A true CN107091633A (en) | 2017-08-25 |
Family
ID=59640566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428323.4A Pending CN107091633A (en) | 2017-06-08 | 2017-06-08 | A kind of shield driving simulation test device and its test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091633A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643927A (en) * | 2018-03-23 | 2018-10-12 | 岩土科技股份有限公司 | Soil body shuttle machine |
| CN114046774A (en) * | 2022-01-05 | 2022-02-15 | 中国测绘科学研究院 | Ground deformation continuous monitoring method integrating CORS network and multi-source data |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004356263A (en) * | 2003-05-28 | 2004-12-16 | Takenaka Komuten Co Ltd | Method for arranging magnetic sensor and active magnetic shielding device |
| CN101285386A (en) * | 2008-05-09 | 2008-10-15 | 清华大学 | Torsional moment and force loading unit for shield excavation simulation |
| CN105353103A (en) * | 2015-11-06 | 2016-02-24 | 铜陵学院 | Test device for measuring shield construction near strata deformation and strain |
| CN105548504A (en) * | 2016-01-29 | 2016-05-04 | 天津大学 | Three-dimensional model tunnel test device for simulating tunnel excavation and compensation grouting process |
| CN207007152U (en) * | 2017-06-08 | 2018-02-13 | 浙江工业大学 | A kind of shield driving simulation test device |
-
2017
- 2017-06-08 CN CN201710428323.4A patent/CN107091633A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004356263A (en) * | 2003-05-28 | 2004-12-16 | Takenaka Komuten Co Ltd | Method for arranging magnetic sensor and active magnetic shielding device |
| CN101285386A (en) * | 2008-05-09 | 2008-10-15 | 清华大学 | Torsional moment and force loading unit for shield excavation simulation |
| CN105353103A (en) * | 2015-11-06 | 2016-02-24 | 铜陵学院 | Test device for measuring shield construction near strata deformation and strain |
| CN105548504A (en) * | 2016-01-29 | 2016-05-04 | 天津大学 | Three-dimensional model tunnel test device for simulating tunnel excavation and compensation grouting process |
| CN207007152U (en) * | 2017-06-08 | 2018-02-13 | 浙江工业大学 | A kind of shield driving simulation test device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643927A (en) * | 2018-03-23 | 2018-10-12 | 岩土科技股份有限公司 | Soil body shuttle machine |
| CN114046774A (en) * | 2022-01-05 | 2022-02-15 | 中国测绘科学研究院 | Ground deformation continuous monitoring method integrating CORS network and multi-source data |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |
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| RJ01 | Rejection of invention patent application after publication |