CN104634317B - Suitable for the apparatus and method of the tunnel surrounding delaminating deposition test of simulated experiment - Google Patents
Suitable for the apparatus and method of the tunnel surrounding delaminating deposition test of simulated experiment Download PDFInfo
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- CN104634317B CN104634317B CN201510051540.7A CN201510051540A CN104634317B CN 104634317 B CN104634317 B CN 104634317B CN 201510051540 A CN201510051540 A CN 201510051540A CN 104634317 B CN104634317 B CN 104634317B
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000008021 deposition Effects 0.000 title claims abstract description 31
- 238000002474 experimental method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000004568 cement Substances 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000000605 extraction Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The embodiments of the invention provide a kind of apparatus and method of the tunnel surrounding delaminating deposition test suitable for simulated experiment.The device includes：Resistance coil, the measuring point being arranged on resistance coil and resistance readings instrument, the wire that the wire drawn from measuring point and the top from resistance coil are drawn is connected respectively on the resistance readings instrument, measuring point is plastic cement disk, the four direction of plastic cement disk is fixed with brush, and the brush keeps contacting with the resistance coil.Ring shaped conductor in plastic cement disk is provided with binding post, and a wire is drawn from binding post, and the wire is connected to resistance readings instrument.The device of the embodiment of the present invention can meet the demand of the indoor model test of tunnel surrounding delaminating deposition well, by the measure to measuring point present position coil resistance, can easily just obtain point position variable quantity, and then obtain measuring point sedimentation value.Separate between measuring point, rationally avoid between traditional measuring instrument middle magnetic ring at a distance of it is nearer when influence each other.
Description
Technical field
Surveyed the present invention relates to tunneling technique field, more particularly to a kind of tunnel surrounding delaminating deposition suitable for simulated experiment
The apparatus and method of examination.
Background technology
China is tunnel big country, and positive tunnel power strides forward, and country puts into substantial amounts of person property's resource and supports traffic every year
The development of cause, wherein tunnel construction are important steps, and many problems need to carry out effective scientific research, as one kind very
Effective research meanses, indoor model test can be good at simulating Practical Project because of it, easily controllable, repeatability
Strong the advantages of, current domestic and international application is more and more extensive.
Tunnel surrounding refers to after tunnel excavation, in tunnel perimeter certain distance, the rock in impacted and range of disturbance
Body.Tunnel surrounding delaminating deposition refers to after tunnel excavation that certain depression, the settlement of stratum of different depth can occur for superstratum
Degree is different, then produces the phenomenon of delaminating deposition.
In Tunnel Engineering, the delaminating deposition of country rock always is the hot issue of research, but currently without setting well
It is standby that it is tested.At present, a kind of country rock delaminating deposition tester of the prior art mainly utilizes magnetic induction principle, will
A piece long tube is inserted perpendicularly into stratum, and magnet ring is laid with long tube, then with magnetic strength sensor positioning magnet ring position, so as to obtain
Strata division is settled.
The shortcoming of above-mentioned country rock delaminating deposition tester of the prior art is：This device can not in model test
Use, main cause includes：
1st, magnet ring and magnetic induction sensor measuring accuracy not enough because magnetic induction test is a scope, size compared with
Error is relatively small in big Practical Project, and indoor model test often tens times of size reduction, and hand is tested in this kind of magnetic induction
Duan Wufa ensures measuring accuracy.
2nd, can accordingly it be influenceed between magnet because magnetic is present, in less model test, the magnet of diverse location can compare
It is closer to, so as to influence each other, leads to not obtain correct data.
3rd, existing means of testing can not accomplish real-time complete monitoring, measuring point can only one by one be surveyed from certain sequence
Amount, it is difficult to meet experiment demand.And in experimentation loading equipemtn presence, cause simulation earth's surface be loaded equipment covering, nothing
Method is measured.
The content of the invention
The embodiment provides a kind of device of tunnel surrounding delaminating deposition test suitable for simulated experiment and
Method, effective test is carried out based on simulated experiment to realize to tunnel surrounding delaminating deposition.
A kind of device of tunnel surrounding delaminating deposition test suitable for simulated experiment, including：Resistance coil, it is arranged on electricity
Hinder the measuring point and resistance readings instrument on coil, the wire difference that the wire drawn from measuring point and the top from resistance coil are drawn
It is connected on the resistance readings instrument.
Multiple measuring points are set in parallel on the resistance coil.
Described resistance coil is vertically arranged from top to bottom.
Described resistance coil is cylinder.
Described measuring point is plastic cement disk.
The four direction of described plastic cement disk is fixed with brush, and the brush keeps contacting with the resistance coil.
Four described brushes are linked together with ring shaped conductor, and ring shaped conductor is provided with binding post, from the binding post
A wire is drawn, the wire is connected to resistance readings instrument.
A kind of method of tunnel surrounding delaminating deposition test suitable for simulated experiment, including：
It is R to choose coil all-in resistance, and active coil total length is L, is away from coil top length when i-th of measuring point is initial
Li, the corresponding resistance R of i-th of measuring point is measured on resistance readings instrumenti, resistance RiRepresent from i-th of measuring point to coil top
Between coil sections resistance；
After the resistance coil is settled in tunnel surrounding layering, i-th of measuring point pair is measured on resistance readings instrument
The resistance answered is Ri′；
The settling amount for obtaining i-th of measuring point is：
Settlement measurement is carried out respectively to each measuring point on electronic coil, the settling amount of each measuring point is measured.
The device of multiple tunnel surrounding delaminating deposition tests is laterally laid in tunnel surrounding layering, is measured each
The settling amount of each measuring point on device.
The device of the embodiment of the present invention can be well it can be seen from the technical scheme that embodiments of the invention described above are provided
The demand of the indoor model test of tunnel surrounding delaminating deposition is met, by the measure to measuring point present position coil resistance, and
Coil position residing for calculating measuring point accordingly, can easily just obtain point position variable quantity, and then surveyed according to resistance variations
Point sedimentation value.It is separate between measuring point of the present invention, in less model test, even if measuring point gathers, between measuring point
Also will not produce and influence each other, rationally avoid between traditional measuring instrument middle magnetic ring at a distance of it is nearer when influence each other.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, other can also be obtained according to these accompanying drawings
Accompanying drawing.
The device that Fig. 1 tests for a kind of tunnel surrounding delaminating deposition suitable for simulated experiment provided in an embodiment of the present invention
Structural representation, in figure, cylindrical resistance coil 1, measuring point 2, resistance readings instrument 3, from leading that each measuring point is drawn respectively
Line 4, and the wire 5 drawn from the summit of resistance coil 1；
Fig. 2 is a kind of structure chart of measuring point provided in an embodiment of the present invention；
Fig. 3 is a kind of two-stage that two wires are coupled with to resistance readings instrument provided in an embodiment of the present invention, measures measuring point
The schematic diagram of above coil resistance；
Fig. 4 is a kind of dress that multigroup tunnel surrounding delaminating deposition test is laid in tunnel lateral direction provided in an embodiment of the present invention
The schematic diagram put；
The device that Fig. 5 tests for a kind of tunnel surrounding delaminating deposition suitable for simulated experiment provided in an embodiment of the present invention
Specific test case schematic diagram.
Embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is individual ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there is the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, and it can be directly connected or coupled to other elements, or can also exist
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or coupling.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combined.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) with the general understanding identical meaning with the those of ordinary skill in art of the present invention.Should also
Understand, those terms defined in such as general dictionary, which should be understood that, to be had and the meaning in the context of prior art
The consistent meaning of justice, and unless defined as here, will not be explained with idealization or excessively formal implication.
For ease of the understanding to the embodiment of the present invention, done below in conjunction with accompanying drawing by taking several specific embodiments as an example further
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Tunnel model test refers in the lab, set up proportional with actual tunnel engineering using analog material
Scale model (typically smaller than Practical Project size), simulates Practical Project, to obtain the scientific research hand of experimental phenomena and data
Section.
In order to overcome the above technological difficulties of prior art, country rock delaminating deposition is tested during solving tunnel model test
Problem, the structural representation of the device of the tunnel surrounding delaminating deposition test provided in an embodiment of the present invention suitable for simulated experiment
Figure is as shown in figure 1, including following processing unit：The resistance coil 1 of cylinder, is distributed in multiple measuring points 2 on resistance coil,
Resistance readings instrument 3, the wire 4 drawn respectively from each measuring point, and the wire 5 drawn from the summit of resistance coil 1.
Above-mentioned resistance coil is vertically arranged from top to bottom, each measuring point 2 on above-mentioned resistance coil 1 at equal intervals or
It is spaced, be arranged in parallel, a kind of structure chart for above-mentioned measuring point 2 that the embodiment is provided is as shown in Fig. 2 the measuring point is and similar ground
The close plastic cement disk of material deformation modulus, the top four direction of plastic cement disk is fixed with brush, and the brush is used for and resistance
Coil keeps contact.Four brushes are linked together with ring shaped conductor, and conductor is provided with binding post, and one is drawn from the binding post
Root wire, the wire is connected to resistance readings instrument.
Those skilled in the art will be understood that the structure type of the measuring point of above-mentioned plastic cement disc type is only for example, and other are existing
Or the structure type of measuring point that is likely to occur from now on be such as applicable to the embodiment of the present invention, should also be included in present invention protection model
Within enclosing, and it is incorporated herein by reference herein.
The top of resistance coil is again provided with binding post, draws another wire, and the wire is also connected to resistance readings instrument.Can
Two wires are coupled with to the two-stage of resistance readings instrument as shown in Figure 3, measuring point above coil resistance are measured, and convert as measuring point
Buried depth position coordinates.The wire drawn from the top of resistance coil is public for all measuring points.
In experimentation, with the change of pre-buried measuring point plastic cement disk position, and resistance coil is fixed on experiment because of upper end
On stand, institute's measuring resistance coil effective length can accordingly change, so as to cause test resistance to change, be become according to resistance
Change can calculate the variation relation of point position.
Each measuring point on one coil can independently carry out settlement measurement, thus obtain a component layers settling data.
In experimentation, multigroup tunnel surrounding delaminating deposition provided in an embodiment of the present invention can be laid in tunnel lateral direction as shown in Figure 4 and surveyed
The device of examination, and then overall monitor is carried out to the delaminating deposition of whole country rock.
A kind of tool of the device of tunnel surrounding delaminating deposition test suitable for simulated experiment provided in an embodiment of the present invention
Body examination tries example schematic as shown in figure 5, it is R to choose coil all-in resistance, and active coil total length is L.When i-th of measuring point is initial
It is L to wait away from coil top lengthi, the wire drawn from i-th of measuring point and the wire drawn from coil top are being connected to resistance
After the two-stage of readout instrument, resistance R is read on resistance readings instrumenti, resistance RiRepresent from i-th of measuring point to coil top
Coil sections resistance.
I-th of measuring point be away from apical position depth：
After sedimentation, survey i-th of measuring point resistance and change, by Initial RiIt is changed into Ri', measuring point away from coil apical position by
LiIt is changed into Li′。
Thus the settling amount for obtaining i-th of measuring point is：
Illustrate：
Assuming that resistance coil overall length L is 50cm, all-in resistance R is 100 Ω, and a certain measuring point is embedded in soil, measures the reading of its resistance
Number RiFor 75 Ω, with the progress of experiment, measuring point resistance R after changei' it is changed into 76 Ω.Thus the location variation of the measuring point is obtained
For：
Negative sign represents that point position changes downwards.
Each measuring point is calculated by the above process, just can obtain the position settling amount of each measuring point, and then obtain whole country rock
Delaminating deposition.
In summary, the device of the embodiment of the present invention can meet the indoor model test of tunnel surrounding delaminating deposition well
Demand, by the measure to measuring point present position coil resistance, and accordingly calculate measuring point residing for coil position, become according to resistance
Change can easily just obtain point position variable quantity, and then obtain measuring point sedimentation value.Be between measuring point of the present invention it is separate,
In less model test, even if measuring point gathers, it will not also produce and influence each other between measuring point, rationally avoid traditional test
Between instrument middle magnetic ring at a distance of it is nearer when influence each other.
Device provided in an embodiment of the present invention can carry out settlement measurement to multiple measuring points simultaneously, and whole measurement process can be with
Accomplish real-time complete monitoring, it is not necessary to be put into inductive probe repeatedly, preferably meet experiment demand.
One of ordinary skill in the art will appreciate that：Accompanying drawing be module in the schematic diagram of one embodiment, accompanying drawing or
Flow is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
Realized by the mode of software plus required general hardware platform.Understood based on such, technical scheme essence
On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product
It can be stored in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are to cause a computer equipment
(can be personal computer, server, or network equipment etc.) performs some of each of the invention embodiment or embodiment
Method described in part.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for device or
For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates can be or may not be it is physically separate, the part shown as unit can be or
Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can root
Some or all of module therein is factually selected to realize the purpose of this embodiment scheme the need for border.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (3)
1. a kind of device of tunnel surrounding delaminating deposition test suitable for simulated experiment, it is characterised in that including：Resistive conductor
The measuring point and resistance readings instrument enclose, being arranged on resistance coil, the wire drawn from measuring point and the top from resistance coil are drawn
The wire gone out is connected respectively on the resistance readings instrument；
Multiple measuring points are set in parallel on the resistance coil, and described resistance coil is vertically arranged from top to bottom, resistance coil
Top be provided with binding post, extraction wire, the wire is connected to resistance readings instrument, and the wire drawn from the top of resistance coil is
All measuring points are public, and resistance readings instrument measures the corresponding resistance of measuring point, resistance conversion turned into measuring point buried depth position coordinates, often
Individual measuring point all can independently carry out settlement measurement, thus obtain a component layers settling data；
Described measuring point is plastic cement disk, and the four direction of the plastic cement disk is fixed with brush, the brush and the resistive conductor
Circle keeps contact, and four brushes are linked together with ring shaped conductor, and ring shaped conductor is provided with binding post, from the binding post
A wire is drawn, the wire is connected to resistance readings instrument；
Multiple described devices are laterally laid in tunnel surrounding layering, measure the settling amount of each measuring point on each device,
And then obtain the delaminating deposition of whole country rock.
2. the device of the tunnel surrounding delaminating deposition test according to claim 1 suitable for simulated experiment, its feature exists
In described resistance coil is cylinder.
3. a kind of method of tunnel surrounding delaminating deposition test suitable for simulated experiment, it is adaptable to any one of claim 1 to 2
Described device, it is characterised in that including：
It is R to choose coil all-in resistance, and active coil total length is L, away from coil top length is L when i-th of measuring point is initiali,
The corresponding resistance R of i-th of measuring point is measured on resistance readings instrumenti, resistance RiRepresent from i-th of measuring point to coil top
Coil sections resistance；
After the resistance coil is settled in tunnel surrounding layering, i-th of measuring point is measured on resistance readings instrument corresponding
Resistance is R 'i；
The settling amount for obtaining i-th of measuring point is：
<mrow>
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<mi>&Delta;L</mi>
<mi>i</mi>
</msub>
<mo>=</mo>
<mfrac>
<mrow>
<mo>(</mo>
<msub>
<mi>R</mi>
<mi>i</mi>
</msub>
<mo>-</mo>
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<mi>R</mi>
<mi>i</mi>
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</msubsup>
<mo>)</mo>
</mrow>
<mi>R</mi>
</mfrac>
<mi>L</mi>
<mo>;</mo>
</mrow>
Settlement measurement is carried out respectively to each measuring point on electronic coil, the settling amount of each measuring point is measured, thus obtains one
Component layers settling data；
Described measuring point is plastic cement disk, and the four direction of the plastic cement disk is fixed with brush, the brush and the resistive conductor
Circle keeps contact, and four brushes are linked together with ring shaped conductor, and ring shaped conductor is provided with binding post, from the binding post
A wire is drawn, the wire is connected to resistance readings instrument；Multiple tunnel surroundings are laterally laid in tunnel surrounding layering
The device of delaminating deposition test, measures the settling amount of each measuring point on each device, and then obtain the layering of whole country rock
Sedimentation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510051540.7A CN104634317B (en) | 2015-01-30 | 2015-01-30 | Suitable for the apparatus and method of the tunnel surrounding delaminating deposition test of simulated experiment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510051540.7A CN104634317B (en) | 2015-01-30 | 2015-01-30 | Suitable for the apparatus and method of the tunnel surrounding delaminating deposition test of simulated experiment |
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| CN104634317A CN104634317A (en) | 2015-05-20 |
| CN104634317B true CN104634317B (en) | 2017-08-25 |
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| CN201510051540.7A Expired - Fee Related CN104634317B (en) | 2015-01-30 | 2015-01-30 | Suitable for the apparatus and method of the tunnel surrounding delaminating deposition test of simulated experiment |
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| CN206440269U (en) * | 2016-12-28 | 2017-08-25 | 湖南品智工程技术有限公司 | One kind is used for subgrade settlement automatic monitoring system |
| CN116804546B (en) * | 2023-08-22 | 2023-11-10 | 天津市北洋水运水利勘察设计研究院有限公司 | Magnetic induction type resistor grid layered displacement monitoring method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201903345U (en) * | 2010-11-18 | 2011-07-20 | 中交第一公路勘察设计研究院有限公司 | Assembled automatic monitoring system for roadbed layered settlement |
| CN103835321A (en) * | 2014-03-14 | 2014-06-04 | 洛阳理工学院 | Simple device for horizontal displacement monitoring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20110027254A (en) * | 2009-09-10 | 2011-03-16 | 윤용수 | The waterproof in-placement inclinometer sensor mounted on abs inclinometer casing inside for direct embedded into the ground after borehole drilled |
| CN202109875U (en) * | 2011-05-12 | 2012-01-11 | 山东科技大学 | Resistor type multi-point displacement meter |
| CN102809453B (en) * | 2012-08-02 | 2014-04-09 | 莫也兰 | Sensing/detecting device capable of reflecting internal force change and internal displacement of rock-soil |
| CN103292680B (en) * | 2013-05-30 | 2016-03-16 | 中铁西北科学研究院有限公司 | A kind of method of novel electricity Non-Destructive Testing rock-bolt length and pick-up unit |
| CN203414079U (en) * | 2013-08-22 | 2014-01-29 | 山东科技大学 | Intelligent type multipoint displacement monitoring and early warning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201903345U (en) * | 2010-11-18 | 2011-07-20 | 中交第一公路勘察设计研究院有限公司 | Assembled automatic monitoring system for roadbed layered settlement |
| CN103835321A (en) * | 2014-03-14 | 2014-06-04 | 洛阳理工学院 | Simple device for horizontal displacement monitoring |
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