CN106761804B - One kind being equipped on TBM advanced hydraulic pressure detection device and method in real time - Google Patents
One kind being equipped on TBM advanced hydraulic pressure detection device and method in real time Download PDFInfo
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- CN106761804B CN106761804B CN201611079303.2A CN201611079303A CN106761804B CN 106761804 B CN106761804 B CN 106761804B CN 201611079303 A CN201611079303 A CN 201611079303A CN 106761804 B CN106761804 B CN 106761804B
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- drill bit
- hydraulic pressure
- tbm
- advanced
- ceramic diaphragm
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
Abstract
The invention discloses one kind to be equipped on TBM advanced hydraulic pressure detection device and method in real time, device includes drill bit, voltage-sensitive ceramic diaphragm and electric resistance sensor, wherein, the drill bit is adapted with advanced borer drill rod, and the drill bit is in I type, interlude cross section is less than both ends cross section, one side opening of interlude, electric resistance sensor is arranged in hole, and the voltage-sensitive ceramic diaphragm is arranged in hole surface, it is connected with the electric resistance sensor, incude hydraulic pressure and is exported.The present invention can carry out the selection of bit size according to the model of advanced drilling machine, thus can be equipped on the advanced drilling machine of any model.Total volume is similar with drilling rod, and it is convenient to carry, and is not influenced, can directly be measured rock mass water pressure in region to be measured by the mechanical structure of TBM complexity, overcomes that numerical analysis method is different from Practical Project situation, the problem of accuracy difference.
Description
Technical field
The present invention relates to one kind to be equipped on TBM advanced hydraulic pressure detection device and method in real time.
Background technique
With the continuous development of China's economy, the continuous improvement of scientific and technological strength, the requirement of constructing tunnel task is also increasingly mentioned
It is high.In constructing tunnel, TBM construction method has many advantages, such as quick, high-quality, safety, economy, disturbs less to country rock, therefore TBM is applied
Engineering method is increasingly becoming the prefered method in constructing tunnel.However, tunnel excavation gradually faces, " buried depth is big, hole wire length, geology are multiple
It is miscellaneous, landform is dangerously steep, disaster takes place frequently " the features such as, wherein gushing water mud disaster of dashing forward is significant challenge and difficulty that current constructing tunnel faces
Topic, often results in serious economic loss and production safety problem.Such as：On November 30th, 2005, Maluqing tunnel outlet are flat
It leads at construction (counter-slope construction) PDK255+992, advanced inspecting hole single hole maximum flooding quantity is 35, and water pressure is 0.8~1.2MPa.
Extensive water burst occurs on January 21st, 2006, and subsequent measuring and calculating maximum flooding quantity is 720,000, and gushing water total amount is about 180,000.It can see
Out, hydraulic pressure is prediction index important in water bursting disaster.Therefore during constructing tunnel, the aqueous structure of front of tunnel heading is verified in advance
The water pressures made are for avoiding the prominent mud disaster of gushing water from being of great significance.
No matter theoretically or in practice, the exploration research of engineering geology bound pair groundwater pressure is all limited, right
The understanding of groundwater pressure still rests in level of ground water, does not carry out Analysis of The Seepage, does not account for pore water pressure and infiltration
The effect of saturating pressure.Ideal uniform dielectric hydrostatic pressure distributional assumption is still that current engineering circles calculate Groundwater mechanics process
Common method.Existing common water-pressure survey method mainly arranges that section lining cutting is monitored in constructing tunnel.
The above method has the following deficiencies：
(1), monitoring measurement can only be relied on to the measurement of groundwater pressure, lacks a kind of intuitive, fast and accurately measurement side
Case.
(2), at high cost using time-consuming in TBM method construction tunnel, lack a kind of hydraulic pressure spy that can be equipped on TBM
Survey apparatus and method.
(3), country rock hydraulic pressure can only be measured, is unable to measure front of tunnel heading water zone rock mass hydraulic pressure.
In conclusion avoiding cited show to preferably realize the measurement to front of tunnel heading water-bearing structure hydraulic pressure
Have the shortcomings that measurement hydraulic pressure instrument and method, herein based on the distributed intelligence of tunnel perimeter water body and to hydraulic pressure detection principle and
The research of the advanced drilling machine mechanical structure of TBM devises the advanced water-pressure survey system that can be equipped on TBM, but faces following difficulty
Topic：
(1), how to overcome the mechanical structure of TBM complexity and broken rock strong motion and water-pressure survey system is equipped on TBM
On.
(2), in the small space for how overcoming TBM method construction tunnel, time-consuming, at high cost and data result for measurement
The problem of accuracy difference.
(3), it how to be equipped on existing advanced drilling machine, realizes the flexible with boring of water-pressure survey system.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes one kind and is equipped on TBM advanced hydraulic pressure detection device and side in real time
Method, the present invention can accurately detect TBM method construction tunnel front of tunnel heading water-bearing structure hydraulic pressure, guarantee TBM construction safety
With personnel safety, while overcoming that numerical analysis method is different from Practical Project situation, the problem of accuracy difference.
To achieve the goals above, the present invention adopts the following technical scheme that：
One kind being equipped on TBM advanced hydraulic pressure detection device in real time, including drill bit, voltage-sensitive ceramic diaphragm and resistance sensing
Device, wherein the drill bit is adapted with advanced borer drill rod, and the drill bit is in I type, and it is transversal that interlude cross section is less than both ends
Face, one side opening of interlude are arranged electric resistance sensor in hole, and the voltage-sensitive ceramic diaphragm setting is and described in hole surface
Electric resistance sensor is connected, and incudes hydraulic pressure and is exported.
The hole is blocked with the voltage-sensitive ceramic diaphragm, is blocked junction and is sealed.
The drill bit is in I type, and when carrying out Advance Drilling, interlude carries water, forms the full hydrospace of annular closed.
The drill bit internal is cavity.
The hydraulic pressure of the full hydrospace of voltage-sensitive ceramic diaphragm induction annular is simultaneously translated into electric signal.
The electric resistance sensor is located at the drill bit internal cavity, converts water pressure output for the electric signal received.
The voltage-sensitive ceramic diaphragm, size are identical as the drill bit aperture.
A kind of detection method based on above-mentioned apparatus, step include：
(1) drill bit is connected with the advanced borer drill rod for being equipped on TBM；
(2) start advanced drilling machine, drilling machine pushes drilling rod and is pressed into hydraulic pressure region to be measured rock mass, until forefront drill bit is pressed completely
Enter drilling, forms an aqueous annular sealed space in drilling at this time；
(3) record cell pressure reading records sensor reading, before determining face after waiting setting time again
Square hydraulic pressure.
In the step (1), electric resistance sensor is placed in the drill bit of aperture, connects voltage-sensitive ceramic diaphragm, and will be pressure-sensitive
Ceramic diaphragm is welded in drill bit position of opening, guarantees sealing.
In the step (2), after hole depth is more than the distance of a drill bit, extraction appropriate depth carries out scarfing cinder, and scarfing cinder is complete
Continue to push drill bit after.
Beneficial effects of the present invention are：
(1) the present invention provides a kind of accurate, intuitive groundwater pressure measurement schemes, and it is convenient to carry, and measurement quickly, can
Rock mass water pressure in region to be measured variation is monitored in real time.
(2) present invention can carry out the selection of bit size according to the model of advanced drilling machine, thus can be equipped on any model
Advanced drilling machine.Total volume is similar with drilling rod, and it is convenient to carry, and is not influenced by the mechanical structure of TBM complexity.
(3) present invention can be worked at the same time with advanced drilling machine, be carried out when TBM maintenance shut-downs, and broken rock strong motion band is avoided
The difficulty come.
(4) present invention can directly measure rock mass water pressure in region to be measured, overcome numerical analysis method and reality
Project situation is different, the problem of accuracy difference.
Detailed description of the invention
Fig. 1 is each section combination schematic diagram of the present invention.
Fig. 2 is detection principle schematic diagram of the present invention.
Fig. 3 is the present invention in carrying schematic diagram on TBM.
Wherein：1. advanced drilling machine.2. drill bit.3. ceramic diaphragm.4. electric resistance sensor.5. aqueous annular sealed space.6.
Rock mass.
Specific embodiment：
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figure 1, being equipped on TBM each section group of advanced hydraulic pressure detection device and method in real time for the present invention is a kind of
Close schematic diagram.Including advanced drilling machine 1, drill bit 2, ceramic diaphragm 3, electric resistance sensor 4.Wherein drilling machine 1 can be common in TBM
Jumbolter or advanced drilling machine, be the prerequisite that the detection device can be equipped on TBM.The scale visual drilling machine 1 of drill bit 2
Model depending on, structure is to form the guarantee of annular closed water-containing space.Ceramic diaphragm 3 has wear-resisting, etch-proof spy
Point, to guarantee that it can be worked normally in borer drilling procedure, while ceramic diaphragm 3 have the characteristics that it is pressure-sensitive, can be by water
Pressure is converted into the receivable electric signal of electric resistance sensor 4.Electric resistance sensor 4 can convert pressure value for the electric signal received
It is stored and is transmitted.
The drill bit 2, both ends cross sectional dimensions can be selected according to advanced borer drill rod size used, the drill bit 2
Middle section cross section is less than both ends cross section.2 middle section of drill bit, one side opening, and blocked with the voltage-sensitive ceramic diaphragm 3, guarantee
Sealing.The drill bit 2 is mainly used for when carrying out Advance Drilling, and the full hydrospace of annular closed is formed in front of working face.
The voltage-sensitive ceramic diaphragm 3, size is identical as 2 aperture of drill bit, is connected with the electric resistance sensor, common structure
At varistor.The voltage-sensitive ceramic diaphragm 3 is mainly used for the hydraulic pressure of the full hydrospace of induction annular and is translated into electric signal.
The electric resistance sensor 4, is located at 2 internal cavities of drill bit, and the electric signal for being mainly used for receive is converted into
Water pressure output.
As shown in Fig. 2, being detection principle schematic diagram of the present invention.Drilling machine 1 pushes drill bit 2 and is pressed into hydraulic pressure region to be measured rock mass.
After hole depth is more than the distance of a drill bit 2, extraction appropriate depth carries out scarfing cinder.Continue to push drill bit 2 after the completion of scarfing cinder, until
Forefront drill bit 2 is completely forced into drilling, forms an aqueous annular sealed space 5 in drilling at this time, which satisfies after water
Water pressure is equal to the hydraulic pressure of region rock mass to be measured, and ceramic diaphragm 3, electric resistance sensor 4 is facilitated to measure.
As shown in figure 3, being the present invention in carrying schematic diagram on TBM.It carries mode and advanced drilling machine in the carrying on TBM
Mode is identical.Include the following steps：
1, electric resistance sensor is placed in the drill bit of aperture, connects voltage-sensitive ceramic diaphragm, and voltage-sensitive ceramic diaphragm is welded
In drill bit position of opening, guarantee sealing.Finally drill bit is connected with the advanced borer drill rod for being equipped on TBM.
2, start advanced drilling machine, drilling machine pushes drilling rod and is pressed into hydraulic pressure region to be measured rock mass.It is more than a drill bit to hole depth
After distance, extraction appropriate depth carries out scarfing cinder.Continue to push drill bit after the completion of scarfing cinder, until forefront, drill bit is completely forced into brill
Hole forms an aqueous annular sealed space 5 at this time in drilling.
3, record cell pressure reading.It waits 2 hours, records sensor reading again after water saturation hole to be drilled.It can obtain
Front of tunnel heading hydraulic pressure.Visit working condition when water installations are equipped on TBM advanced drilling machine.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (8)
1. one kind is equipped on TBM advanced hydraulic pressure detection device in real time, it is characterized in that：Including drill bit, voltage-sensitive ceramic diaphragm and electricity
Hinder sensor, wherein the drill bit is adapted with advanced borer drill rod, and the drill bit is in I type, and interlude cross section is less than both ends
Cross section, one side opening of interlude are arranged electric resistance sensor in hole, the voltage-sensitive ceramic diaphragm setting in hole surface, with
The electric resistance sensor is connected, and incudes hydraulic pressure and is exported；
When the drill bit carries out Advance Drilling, interlude carries water, forms the full hydrospace of annular closed；
The hydraulic pressure of the full hydrospace of voltage-sensitive ceramic diaphragm induction annular is simultaneously translated into electric signal.
2. one kind as described in claim 1 is equipped on TBM advanced hydraulic pressure detection device in real time, it is characterized in that：It uses in the hole
The voltage-sensitive ceramic diaphragm blocks, and blocks junction and is sealed.
3. one kind as described in claim 1 is equipped on TBM advanced hydraulic pressure detection device in real time, it is characterized in that：The drill bit
Inside is cavity.
4. one kind as described in claim 1 is equipped on TBM advanced hydraulic pressure detection device in real time, it is characterized in that：The resistance
Sensor is located at the drill bit internal cavity, converts water pressure output for the electric signal received.
5. one kind as described in claim 1 is equipped on TBM advanced hydraulic pressure detection device in real time, it is characterized in that：It is described pressure-sensitive
Ceramic diaphragm, size are identical as the drill bit aperture.
6. a kind of detection method based on device according to any one of claims 1 to 5, it is characterized in that：Step includes：
(1) drill bit is connected with the advanced borer drill rod for being equipped on TBM；
(2) start advanced drilling machine, drilling machine pushes drilling rod and is pressed into hydraulic pressure region to be measured rock mass, and drill bit is completely forced into brill until forefront
Hole forms an aqueous annular sealed space at this time in drilling；
(3) record cell pressure reading records sensor reading again, determines front of tunnel heading water after waiting setting time
Pressure.
7. detection method as claimed in claim 6, it is characterized in that：In the step (1), electric resistance sensor is placed in aperture
In drill bit, voltage-sensitive ceramic diaphragm is connected, and voltage-sensitive ceramic diaphragm is welded in drill bit position of opening, guarantee sealing.
8. detection method as claimed in claim 6, it is characterized in that：In the step (2), to hole depth be more than a drill bit away from
From rear, extraction appropriate depth carries out scarfing cinder, continues to push drill bit after the completion of scarfing cinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079303.2A CN106761804B (en) | 2016-11-30 | 2016-11-30 | One kind being equipped on TBM advanced hydraulic pressure detection device and method in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079303.2A CN106761804B (en) | 2016-11-30 | 2016-11-30 | One kind being equipped on TBM advanced hydraulic pressure detection device and method in real time |
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| Publication Number | Publication Date |
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| CN106761804A CN106761804A (en) | 2017-05-31 |
| CN106761804B true CN106761804B (en) | 2018-11-30 |
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| CN201611079303.2A Active CN106761804B (en) | 2016-11-30 | 2016-11-30 | One kind being equipped on TBM advanced hydraulic pressure detection device and method in real time |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442925B (en) * | 2018-06-20 | 2023-10-20 | 中国地质大学（北京） | Water pressure and water temperature intelligent measurement device suitable for advanced geological forecast of mine |
| CN110714769B (en) * | 2019-10-24 | 2020-11-06 | 中铁北京工程局集团城市轨道交通工程有限公司 | Installation device and installation method for monitoring meter |
| CN111219183B (en) * | 2020-01-21 | 2023-07-04 | 中国铁建重工集团股份有限公司 | Water volume and water pressure detection device |
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| CN103233747A (en) * | 2013-04-24 | 2013-08-07 | 上海隧道工程股份有限公司 | Pre-drilling launcher |
| CN104632075A (en) * | 2014-12-16 | 2015-05-20 | 山东科技大学 | Drilling detecting integrated system and method for overlying strata fracture detection |
| CN104863602A (en) * | 2015-04-09 | 2015-08-26 | 重庆大学 | Advanced forecasting method of soil shield tunnel construction disasters |
| CN105714755A (en) * | 2016-03-09 | 2016-06-29 | 同济大学 | Openable tunnel advanced water pressure and water quantity detection device |
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