CN109408890A - Tunnel surrounding variability evaluation method and system based on TBM stabilizer running parameter - Google Patents
Tunnel surrounding variability evaluation method and system based on TBM stabilizer running parameter Download PDFInfo
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- CN109408890A CN109408890A CN201811116191.2A CN201811116191A CN109408890A CN 109408890 A CN109408890 A CN 109408890A CN 201811116191 A CN201811116191 A CN 201811116191A CN 109408890 A CN109408890 A CN 109408890A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
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Abstract
The invention proposes a kind of tunnel surrounding variability evaluation method and system based on TBM stabilizer running parameter, wherein this method comprises: the stabilizer oil cylinder working-pressure and run-length data of acquisition TBM system；The pressure of stabilizer-travel relationships slope of a curve when obtaining different circulations according to stabilizer oil cylinder working-pressure and run-length data；Stabilizer pressure-travel relationships slope of a curve distribution when obtaining different circulations according to pressure-travel relationships slope of a curve, to obtain the evaluation result of tunnel surrounding variability.This method be able to solve in double-shielded TBM construction due to shield blocks and the problem of can not directly observe country rock, accurately can comprehensively obtain tunnel surrounding variability.
Description
Technical field
The present invention relates to TBM technical field of tunnel construction, in particular to a kind of tunnel based on TBM stabilizer running parameter
Country rock variability evaluation method and system.
Background technique
With the continuous growth of all kinds of resource requirements, in fields such as water conservancy, traffic, the energy, building, mines, great burying, length
Distance, the tunnel of big cross section are increasing, and TBM (Tunnel Boring Machine, rock tunnel(ling) machine) is with its driving speed
Fastly, forming quality is good, safety and the advantages that environmental protection are used widely.
TBM is very sensitive to geological conditions, and complexity, uncertainty, the variability of engineering geological condition are double-shielded TBMs
Greateset risk in construction, because to geological conditions understanding it is unclear due to there is a situation where engineering accident happen occasionally and be in growth become
Gesture.Country rock Spatial Variability can significantly affect the safety of tunnel structure, therefore, find out engineering in advance in TBM construction tunnel
Geological conditions understands fully that country rock Spatial Variability is very necessary.
The tunnel of double-shielded TBM construction, country rock are in TBM shield and block down, and country rock exposure is few, face and TBM cutterhead
Between narrow space and it is inconvenient enter, quality of surrounding rock cannot be carried out by direct complete observation face and hole wall country rock
Assessment.Construction activities are frequent in tunnel, and noise source is more and complicated, huge mechanical structure to electromagnetic wave field interfere compared with
Greatly, these factors limit the application of the method for forecasting advanced geology such as reflection seismic class, electromagnetism class, electrical method class.
Engineering practice shows there is very strong correlation between TBM boring parameter and the geomechanics characteristic of rock mass in tunnel, so
And since manipulator often adjusts TBM boring parameter according to practice of construction situation in time, this is to establish TBM boring parameter and country rock
Geological conditions correlation brings human error.
There are two the stabilizers of hydraulic operation at shield top 1/4 before TBM, and the stretching of its oil cylinder acts in tunneling process
On country rock, plays the role of stable anterior shield and prevent cutterhead vibration.After stabilizer stretching starts to contact country rock, with to country rock
Active force gradually increase, oil cylinder stroke is also gradually increased therewith, this process is able to reflect out the mechanical characteristics of country rock, different
Stabilizer pressure shows different features from stroke under state of surrounding rock.
But the relationship for analyzing stabilizer pressure and stroke in TBM tunneling process in real time in the related technology, is also failed at present, by
This cannot reflect tunnel surrounding Spatial Variability in real time, to delay construction, cannot provide decision branch for TBM safe construction
It holds, therefore there are certain defects, have much room for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of, the tunnel surrounding based on TBM stabilizer running parameter makes a variation
Property evaluation method.This method be able to solve in double-shielded TBM construction due to shield blocks and the problem of can not directly observe country rock,
It accurately can comprehensively obtain tunnel surrounding variability.
It is another object of the present invention to propose that a kind of tunnel surrounding variability based on TBM stabilizer running parameter comments
Valence system.
In order to achieve the above objectives, one aspect of the present invention proposes the variation of the tunnel surrounding based on TBM stabilizer running parameter
Property evaluation method, comprising the following steps: acquisition TBM system stabilizer oil cylinder working-pressure and run-length data；According to the stabilizer
The pressure of stabilizer-travel relationships slope of a curve when oil cylinder working-pressure and run-length data obtain different circulations；According to the pressure-
Stabilizer pressure-travel relationships slope of a curve distribution when travel relationships slope of a curve obtains different circulations, to obtain tunnel
The evaluation result of country rock variability.
The tunnel surrounding variability evaluation method based on TBM stabilizer running parameter of the embodiment of the present invention, can be with
TBM advances obtains tunnel area country rock Spatial Variability in real time, and is able to solve in double-shielded TBM construction since shield hides
The problem of keeping off and can not directly observing country rock, and then in the case where not influencing construction, it accurately comprehensively obtains tunnel surrounding and becomes
It is anisotropic.
In addition, the tunnel surrounding variability evaluation according to the above embodiment of the present invention based on TBM stabilizer running parameter
Method can also have following additional technical characteristic:
Further, in one embodiment of the invention, described according to the stabilizer oil cylinder working-pressure and run-length data
The pressure of stabilizer-travel relationships slope of a curve when obtaining different circulations further comprises: according to the stabilizer oil cylinder pressure
Power and run-length data draw pressure-stroke scatter plot of stabilizer；It is obtained according to the pressure of stabilizer-stroke scatter plot linear fit
To pressure-travel relationships curve；Slope of a curve is obtained according to the pressure-travel relationships curve.
Further, in one embodiment of the invention, the evaluation result for obtaining tunnel surrounding variability, into one
Step include: be distributed to obtain out the Spatial Variability of country rock according to the stabilizer pressure-travel relationships slope of a curve, and according to
Emotionally condition reflects degree of variation to curve ripple.
In order to achieve the above objectives, another aspect of the present invention proposes a kind of tunnel based on TBM stabilizer running parameter and encloses
Rock variability evaluation system, comprising: acquisition module, for acquiring the stabilizer oil cylinder working-pressure and run-length data of TBM system；First
Obtain module, pressure-stroke of stabilizer when for obtaining different circulations according to the stabilizer oil cylinder working-pressure and run-length data
The slope of relation curve；Second obtains module, when for obtaining different circulations according to the pressure-travel relationships slope of a curve
Stabilizer pressure-travel relationships slope of a curve distribution, to obtain the evaluation result of tunnel surrounding variability.
The tunnel surrounding variability evaluation system based on TBM stabilizer running parameter of the embodiment of the present invention, can be with
TBM advances obtains tunnel area country rock Spatial Variability in real time, and is able to solve in double-shielded TBM construction since shield hides
The problem of keeping off and can not directly observing country rock, and then in the case where not influencing construction, it accurately comprehensively obtains tunnel surrounding and becomes
It is anisotropic.
In addition, the tunnel surrounding variability evaluation according to the above embodiment of the present invention based on TBM stabilizer running parameter
System can also have following additional technical characteristic:
Further, in one embodiment of the invention, the first acquisition module is further used for: drawing unit,
For drawing pressure-stroke scatter plot of stabilizer according to the stabilizer oil cylinder working-pressure and run-length data；Fitting unit is used for
Pressure-travel relationships curve is obtained according to the pressure of stabilizer-stroke scatter plot linear fit；Acquiring unit, for according to institute
It states pressure-travel relationships curve and obtains slope of a curve.
Further, in one embodiment of the invention, the evaluation result for obtaining tunnel surrounding variability, into one
Step include: be distributed to obtain out the Spatial Variability of country rock according to the stabilizer pressure-travel relationships slope of a curve, and according to
Emotionally condition reflects degree of variation to curve ripple.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is to be evaluated according to the tunnel surrounding variability based on TBM stabilizer running parameter of one embodiment of the invention
Method flow diagram；
Fig. 2 is to recycle lower TBM stabilizer oil cylinder working-pressure and run-length data according to the different of one embodiment of the invention；
Fig. 3 be the stabilizer fitted according to the circulation 1 of one embodiment of the invention pressure-travel relationships curve and its
Slope；
Fig. 4 be the stabilizer fitted according to the circulation 2 of one embodiment of the invention pressure-travel relationships curve and its
Slope；
Fig. 5 be the stabilizer fitted according to the circulation 3 of one embodiment of the invention pressure-travel relationships curve and its
Slope；
Fig. 6 is stabilizer pressure according to an embodiment of the invention-travel relationships slope of a curve distribution map；
Fig. 7 is the tunnel surrounding variability evaluation according to an embodiment of the invention based on TBM stabilizer running parameter
System structure diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The tunnel surrounding based on TBM stabilizer running parameter proposed according to embodiments of the present invention is described with reference to the accompanying drawings
Variability evaluation method and system, describe to propose according to embodiments of the present invention first with reference to the accompanying drawings based on TBM stabilizer work
Make the tunnel surrounding variability evaluation method of parameter.
Fig. 1 is the tunnel surrounding variability evaluation method based on TBM stabilizer running parameter of one embodiment of the invention
Flow chart.
As shown in Figure 1, being somebody's turn to do the tunnel surrounding variability evaluation method based on TBM stabilizer running parameter includes following step
It is rapid:
In step s101, the stabilizer oil cylinder working-pressure and run-length data of TBM system are acquired.
In step s 102, the pressure of stabilizer when obtaining different circulations according to the stabilizer oil cylinder working-pressure and run-length data
Power-travel relationships slope of a curve.
Further, in one embodiment of the invention, described according to the stabilizer oil cylinder working-pressure and run-length data
The pressure of stabilizer-travel relationships slope of a curve when obtaining different circulations further comprises: according to the stabilizer oil cylinder pressure
Power and run-length data draw pressure-stroke scatter plot of stabilizer；It is obtained according to the pressure of stabilizer-stroke scatter plot linear fit
To pressure-travel relationships curve；Slope of a curve is obtained according to the pressure-travel relationships curve.
That is, drawing pressure-stroke scatterplot of stabilizer according to the stabilizer oil cylinder working-pressure and run-length data
Figure, linear fit go out pressure-travel relationships curve of stabilizer, find out its slope.
In step s 103, stabilizer pressure-when obtaining different circulations according to the pressure-travel relationships slope of a curve
Travel relationships slope of a curve distribution, to obtain the evaluation result of tunnel surrounding variability.
Specifically, step S101 and S102 are repeated, the pressure of stabilizer-travel relationships curve is oblique when obtaining different circulations
Rate, stabilizer pressure-travel relationships slope of a curve distribution when then drawing different circulations, and it is found out according to curve and is reflected
The Spatial Variability of country rock, degree of variation can emotionally condition reflects by curve ripple.
Further, in one embodiment of the invention, the evaluation result for obtaining tunnel surrounding variability, into one
Step include: be distributed to obtain out the Spatial Variability of country rock according to the stabilizer pressure-travel relationships slope of a curve, and according to
Emotionally condition reflects degree of variation to curve ripple.
It is illustrated below according to working principle of the specific embodiments of the present invention to tunnel surrounding variability evaluation method.
As shown in Fig. 2, obtaining stabilizer oil cylinder working-pressure and run-length data that TBM system provides；
As in Figure 3-5, according to the stabilizer oil cylinder working-pressure and run-length data, the pressure-stroke for drawing stabilizer dissipates
Point diagram, linear fit go out pressure-travel relationships curve of stabilizer, find out its slope；
As shown in fig. 6, repeating Step 1: two, the pressure of stabilizer-travel relationships curve is oblique when obtaining different circulations
Rate；
Stabilizer pressure-travel relationships slope of a curve distribution, this curve are able to reflect out country rock when drawing different circulations
Spatial Variability, degree of variation can by curve ripple emotionally condition reflect.
If data acquiring frequency is higher, complete pressure and run-length data in the stabilizer course of work can be obtained, most
Obtained country rock variability result is more accurate eventually；And if data acquiring frequency is lower, obtained country rock variability result
Accuracy will be affected.Wherein, sample frequency can reasonable disposition according to the actual situation, it is ensured that can obtain complete stabilization
Device pressure-stroke curve, without limitation to this present invention.
The tunnel surrounding variability evaluation method based on TBM stabilizer running parameter proposed according to embodiments of the present invention,
Can with TBM advance in real time obtain tunnel area country rock Spatial Variability, and be able to solve double-shielded TBM construction in by
In shield blocks and directly can not observe country rock the problem of, and then in the case where not influencing construction, tunnel is accurately comprehensively obtained
Road country rock variability.
The tunnel surrounding based on TBM stabilizer running parameter proposed according to embodiments of the present invention is described referring next to attached drawing
Variability evaluation system.
Fig. 7 is the tunnel surrounding variability evaluation system based on TBM stabilizer running parameter of one embodiment of the invention
Structural schematic diagram.
As shown in fig. 7, being somebody's turn to do the tunnel surrounding variability evaluation system 10 based on TBM stabilizer running parameter includes: acquisition
Module 100, first obtains module 200 and second and obtains module 300.
Wherein, acquisition module 100 is used to acquire the stabilizer oil cylinder working-pressure and run-length data of TBM system.First obtains mould
Pressure-travel relationships of stabilizer when block 200 is used to obtain different circulations according to the stabilizer oil cylinder working-pressure and run-length data
Slope of a curve.Second is steady when obtaining module 300 for according to the pressure-travel relationships slope of a curve different circulations of acquisition
Device pressure-travel relationships slope of a curve distribution is determined, to obtain the evaluation result of tunnel surrounding variability.The embodiment of the present invention is commented
Valence system 10 be able to solve in double-shielded TBM construction due to shield blocks and the problem of can not directly observe country rock, can be accurate
Comprehensively obtain tunnel surrounding variability.
Further, in one embodiment of the invention, the first acquisition module 200 further comprises: drawing single
Member is for drawing pressure-stroke scatter plot of stabilizer according to the stabilizer oil cylinder working-pressure and run-length data；Fitting unit is used
In obtaining pressure-travel relationships curve according to pressure-stroke scatter plot linear fit of stabilizer；Acquiring unit is used for according to institute
It states pressure-travel relationships curve and obtains slope of a curve.
Further, in one embodiment of the invention, the evaluation result for obtaining tunnel surrounding variability, into one
Step for being distributed to obtain out the Spatial Variability of country rock according to the stabilizer pressure-travel relationships slope of a curve, and according to
Emotionally condition reflects degree of variation to curve ripple.
It should be noted that aforementioned implement the tunnel surrounding variability evaluation method based on TBM stabilizer running parameter
The explanation of example is also applied for the system, and details are not described herein again.
The tunnel surrounding variability evaluation system based on TBM stabilizer running parameter proposed according to embodiments of the present invention,
Can with TBM advance in real time obtain tunnel area country rock Spatial Variability, and be able to solve double-shielded TBM construction in by
In shield blocks and directly can not observe country rock the problem of, and then in the case where not influencing construction, tunnel is accurately comprehensively obtained
Road country rock variability.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (6)
1. a kind of tunnel surrounding variability evaluation method based on TBM stabilizer running parameter, which is characterized in that including following step
It is rapid:
Acquire the stabilizer oil cylinder working-pressure and run-length data of TBM system；
The pressure of stabilizer-travel relationships curve when obtaining different circulations according to the stabilizer oil cylinder working-pressure and run-length data
Slope；And
Stabilizer pressure-travel relationships curve is oblique when obtaining different circulations according to the pressure-travel relationships slope of a curve
Rate distribution, to obtain the evaluation result of tunnel surrounding variability.
2. the tunnel surrounding variability evaluation method according to claim 1 based on TBM stabilizer running parameter, feature
It is, pressure-travel relationships of stabilizer when obtaining different circulations according to the stabilizer oil cylinder working-pressure and run-length data
Slope of a curve further comprises:
Pressure-stroke scatter plot of stabilizer is drawn according to the stabilizer oil cylinder working-pressure and run-length data；
Pressure-travel relationships curve is obtained according to the pressure of stabilizer-stroke scatter plot linear fit；
Slope of a curve is obtained according to the pressure-travel relationships curve.
3. the tunnel surrounding variability evaluation method according to claim 1 based on TBM stabilizer running parameter, feature
It is, the evaluation result for obtaining tunnel surrounding variability further comprises:
It is distributed to obtain out the Spatial Variability of country rock according to the stabilizer pressure-travel relationships slope of a curve, and according to song
Line fluctuates situation and reflects degree of variation.
4. a kind of tunnel surrounding variability evaluation system based on TBM stabilizer running parameter characterized by comprising
Acquisition module, for acquiring the stabilizer oil cylinder working-pressure and run-length data of TBM system；
First obtains module, the pressure of stabilizer when for obtaining different circulations according to the stabilizer oil cylinder working-pressure and run-length data
Power-travel relationships slope of a curve；And
Second obtains module, stabilizer pressure-when for obtaining different circulations according to the pressure-travel relationships slope of a curve
Travel relationships slope of a curve distribution, to obtain the evaluation result of tunnel surrounding variability.
5. the tunnel surrounding variability evaluation system according to claim 4 based on TBM stabilizer running parameter, feature
It is, the first acquisition module further comprises:
Drawing unit, for drawing pressure-stroke scatter plot of stabilizer according to the stabilizer oil cylinder working-pressure and run-length data；
Fitting unit, for obtaining pressure-travel relationships curve according to pressure-stroke scatter plot linear fit of stabilizer；
Acquiring unit, for obtaining slope of a curve according to the pressure-travel relationships curve.
6. the tunnel surrounding variability evaluation system according to claim 4 based on TBM stabilizer running parameter, feature
It is, the evaluation result for obtaining tunnel surrounding variability is further used for:
It is distributed to obtain out the Spatial Variability of country rock according to the stabilizer pressure-travel relationships slope of a curve, and according to song
Line fluctuates situation and reflects degree of variation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811116191.2A CN109408890A (en) | 2018-09-25 | 2018-09-25 | Tunnel surrounding variability evaluation method and system based on TBM stabilizer running parameter |
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| CN201811116191.2A CN109408890A (en) | 2018-09-25 | 2018-09-25 | Tunnel surrounding variability evaluation method and system based on TBM stabilizer running parameter |
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