CN106289556A - The test device of tunnel surrounding internal temperature and method of testing - Google Patents
The test device of tunnel surrounding internal temperature and method of testing Download PDFInfo
- Publication number
- CN106289556A CN106289556A CN201610825774.7A CN201610825774A CN106289556A CN 106289556 A CN106289556 A CN 106289556A CN 201610825774 A CN201610825774 A CN 201610825774A CN 106289556 A CN106289556 A CN 106289556A
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- Prior art keywords
- internal temperature
- tunnel surrounding
- surrounding internal
- test device
- tunnel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention discloses test device and the method for testing of a kind of tunnel surrounding internal temperature, described test device includes reference test bar (1) and multiple temperature sensor (2), the side surface of described reference test bar (1) is provided with longitudinal fluting (11), along the longitudinal direction of described reference test bar (1), multiple described temperature sensors (2) are fixedly installed in described longitudinal fluting (11) spaced reciprocally.The test apparatus structure of the tunnel surrounding internal temperature of the present invention is simple, and method of testing is simple to operate, it is possible to realize the temperature of the internal different depth of monitoring tunnel surrounding in real time.
Description
Technical field
The present invention relates to railway tunnel field, in particular it relates to the test device of a kind of tunnel surrounding internal temperature and survey
Method for testing.
Background technology
The harm that freezing damage in tunnel is brought is more serious, and it weakens the use function in tunnel significantly, and row in serious threat
Car safety, when freezing damage in tunnel is serious, will cause scrapping of tunnel, it is impossible to use.
Freezing damage in tunnel and location temperature (less than 0 DEG C or positive and negative alternately) have direct relation.Tunnel in cold area freeze injury is to enclose
The coefficient result of rock temperature, seepage action of ground water and structural stress.The test of country rock internal temperature is research freezing damage in tunnel mechanism
Basis, be also to grasp country rock maximum frozen depth and the direct-vision method of the regularity of distribution.
Therefore, that typically can test the ambient temperature in tunnel during constructing tunnel is more, and for
In the tunnel that the tunnel that operation uses is carried out, ambient temperature carries out testing also is necessary, particularly to country rock internal temperature
Test, but prior art is also formed without the unified test device being specifically designed to testing tunnel country rock internal temperature and
Method of testing.
Summary of the invention
It is an object of the invention to provide test device and the method for testing of a kind of tunnel surrounding internal temperature, this tunnel surrounding
The test apparatus structure of internal temperature is simple, and method of testing is simple to operate, it is possible to realize monitoring tunnel surrounding in real time internal different
The temperature of the degree of depth.
To achieve these goals, according to an aspect of the present invention, it is provided that the test dress of a kind of tunnel surrounding internal temperature
Putting, it is characterised in that described test device includes reference test bar and multiple temperature sensor, the side surface of described reference test bar is provided with vertical
To groove, along the longitudinal direction of described reference test bar, multiple described temperature sensors are fixedly installed on described longitudinal fluting spaced reciprocally
In.
Preferably, the end of described reference test bar is formed as tapered end.
Preferably, the external coated of described temperature sensor has heat-conducting medium.
Preferably, described temperature sensor includes wire, and described wire is along the longitudinally fixed wiring of described reference test bar.
Preferably, described wire is arranged in protection sleeve pipe, and described protection sleeve pipe is fixed on described reference test bar.
Additionally, according to a further aspect in the invention, it is provided that the method for testing of a kind of tunnel surrounding internal temperature, described test
Method includes:
The first step: bore measured hole on the hole wall in tunnel；
Second step: the test device of described tunnel surrounding internal temperature is inserted in described measured hole；
3rd step: slip casting in described measured hole.
Preferably, in described second step, on the described reference test bar of the test device of described tunnel surrounding internal temperature
It is fixed with Grouting Pipe.
Preferably, the tube wall of described Grouting Pipe is provided with multiple slurry outlet.
Preferably, in described second step, described measured hole covers by having the stop grouting plug of steam vent and injected hole, institute
State injected hole to dock with the entrance of described Grouting Pipe.
Preferably, in described 3rd step, serosity is entered in described Grouting Pipe by described injected hole to inject described survey
In metering-orifice, until described steam vent discharges serosity, block described steam vent, continue slip casting.
By technique scheme, the test device of the tunnel surrounding internal temperature of the present invention includes reference test bar and multiple temperature
Degree sensor so that the test apparatus structure of this tunnel surrounding internal temperature is simple, and method of testing is simple to operate.Wherein reference test bar
For being inserted in tunnel survey hole, and test different depth, different time inner tunnel country rock by multiple temperature sensors
Temperature.Longitudinal fluting is offered so that multiple temperature sensors are at least partially recessed into vertical by the side surface at reference test bar
In groove.It is arranged in spaced for multiple temperature sensors in longitudinal fluting again, can test reaching the present invention simultaneously
The purpose of the temperature of different depth different time inner tunnel country rock.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 be the tunnel surrounding internal temperature according to the preferred embodiment of the present invention test device in the master of reference test bar
View；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is that the test device of the tunnel surrounding internal temperature according to the preferred embodiment of the present invention is in test process
Optimal crosssection figure；
Fig. 4 is that the test device of the tunnel surrounding internal temperature according to the preferred embodiment of the present invention is in test process
Side arrangement figure.
Description of reference numerals
1 reference test bar 2 temperature sensor
11 longitudinal fluting 12 tapered end
Sleeve pipe protected by 21 wires 22
23 temperature sensor probes
10 measured hole 20 Grouting Pipe
30 stop grouting plug 201 slurry outlets
400 country rock 500 preliminary bracings
600 secondary linings
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place is retouched
The detailed description of the invention stated is merely to illustrate and explains the present invention, is not limited to the present invention.
In the present invention, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower " is typically for accompanying drawing
For shown direction or use for each parts mutual alignment relationship description on vertical, vertical or gravity direction
Word；" interior " is that finger has the side accommodating function；" outward " is then contrary with " interior ".
Seeing Fig. 1 to Fig. 4, which show the test device of a kind of tunnel surrounding internal temperature, this test device includes
Reference test bar 1 and multiple temperature sensor 2, the side surface of reference test bar 1 is provided with longitudinal fluting 11, along the longitudinal direction of reference test bar 1, Duo Gewen
Degree sensor 2 is fixedly installed in longitudinal fluting 11 spaced reciprocally.
The test device of the tunnel surrounding internal temperature of the present invention includes reference test bar 1 and multiple temperature sensor 2 so that should
The test apparatus structure of tunnel surrounding internal temperature is simple, and method of testing is simple to operate.Wherein reference test bar 1 is used for being inserted into tunnel
In measured hole 10, and test different depth, the temperature of different time inner tunnel country rock by multiple temperature sensors 2.Pass through
Side surface at reference test bar 1 offers longitudinal fluting 11 so that multiple temperature sensors 2 are at least partially recessed into longitudinal fluting 11
In.It is arranged in spaced for multiple temperature sensors 2 in longitudinal fluting 11 again, difference can be tested reaching the present invention simultaneously
The purpose of the temperature of degree of depth different time inner tunnel country rock.
Wherein, in one embodiment, in infinite mode, each temperature sensor 2 is according to different measuring point positions
Put and be fixed in longitudinal fluting 11 with tied silk or adhesive tape or potentiality glue.As shown in Figure 4, the point position of temperature sensor 2 is respectively
Being arranged in country rock 400, preliminary bracing 500 and secondary lining 600, in infinite mode, the spacing of point position is 0.3-
0.5m, the spacing of test scope and point position can be true according to the meteorological condition described in concrete tunnel and test request
Fixed.
Referring specifically to Fig. 1, which show the schematic diagram of reference test bar 1 in one embodiment of the present invention.Wherein, test
The end of bar 1 is formed as tapered end 12.Tapered end 12 play the guiding role at this, with facilitate reference test bar 1 can quick insertion to measured hole
In 10.But the invention is not limited in this, as long as the cross-sectional area of the end of reference test bar 1 less than the cross-sectional area of reference test bar 1 is
Can.In this embodiment, in infinite mode, reference test bar 1 is batten, and a length of 2.1-2.6m of this batten, width are
20mm, thickness are 15mm；Process a length of 2.0-2.5m on a side surface of batten, width is 10mm, the degree of depth is 5mm
Longitudinal fluting 11；The forward end of batten is processed into cone-shaped.
Especially, the external coated of temperature sensor 2 has heat-conducting medium.By leading in the coating of the surrounding of temperature sensor 2
Thermal medium so that the fully contact surface of wetting temperature sensor 2, thus form low-down thermal resistance surface, its radiating efficiency
Advantageous.This heat-conducting medium is preferably mobility heat-conducting medium, such as high viscosity conduction oil, heat-conducting cream etc..
So that the test device of tunnel surrounding internal temperature is simpler and structure orderly, especially, temperature passes
Sensor 2 includes wire 21, and wire 21 is along the longitudinally fixed wiring of reference test bar 1.Unnecessary wire 21 is made in order and is fixed on test
On bar 1, and finally cause end.The most in one embodiment of the invention, wire 21 is entered by fixing card or adhesive tape etc.
Row is fixing.
In order to protect the wire 21 of temperature sensor 2 further, in a preferred embodiment of the invention, as it is shown on figure 3,
Wire 21 is arranged in protection sleeve pipe 22, and protection sleeve pipe 22 is fixed on reference test bar 1.By wire 21 is arranged on protection sleeve pipe
In 22, wire 21 will not be made to mix with serosity so that after being removed by protection sleeve pipe 22, wire 21 can also repeat to make
With.Wherein, in infinite mode, protection sleeve pipe 22 may be selected to be plastic bushing.
It should be strongly noted that at the external coated heat-conducting medium to temperature sensor 2 or at fixing wire 21 be, need
It should be noted that temperature sensor probe 23 should be avoided and makes it expose so that temperature sensor probe 23 can directly with enclose
Rock 400 or serosity directly contact.
Additionally, present invention also offers the method for testing of a kind of tunnel surrounding internal temperature, described method of testing includes:
The first step: bore measured hole 10 on the hole wall in tunnel；In embodiments of the present invention, in infinite mode,
On the hole wall in tunnel, lateral aperture, i.e. measured hole 10 is bored with rig.The aperture of this measured hole 10 is 50mm, and hole depth is 2.5-
3.0m.Clear hole is needed, by the unnecessary eliminating impurities in hole, to form measured hole 10 after having holed.
Second step: the test device of described tunnel surrounding internal temperature is inserted in measured hole 10；By reference test bar 1
The guiding of tapered end 12 so that the reference test bar 1 being fixed with multiple temperature sensor 2 is inserted in measured hole 10.
Especially, reference test bar 1 is fixed with Grouting Pipe 20.In one embodiment, select flexible plastic pipe as note
Slurry pipe 20, the caliber of this Grouting Pipe 20 is 15-20mm, a length of 6-8m, and is fixed on reference test bar 1 by the way of colligation.
After the test device of described tunnel surrounding internal temperature is inserted in measured hole 10 particularly preferably, can
To be covered by having the stop grouting plug 30 of steam vent and injected hole by measured hole 10, injected hole docks with the entrance of Grouting Pipe 20.
3rd step: slip casting in measured hole 10.Specifically, Grouting Pipe 20 is connected with grouting pump, being stirred in advance
1:1 cement mortar pump in measured hole 10.
So that test result is more accurate, especially, grouting pump is connected with Grouting Pipe 20 by injected hole so that
Serosity is entered to inject in measured hole 10 in Grouting Pipe 20 by described injected hole, until steam vent discharges serosity, shows to measure
With full serosity in hole, block steam vent subsequently, continue slip casting.Until the pressure in measured hole 10 is stopping after 0.3-0.5MPa
Slip casting.Can test after band grout cures.In order to further speed up speed and the uniformity of slip casting, especially, Grouting Pipe
The tube wall of 20 is provided with multiple slurry outlet 201.As a example by above-mentioned Grouting Pipe 20, before multiple slurry outlets 201 are distributed in Grouting Pipe 20
On the outer peripheral face of end 1.5m.
Comprehensive tester is used manually to gather data or use automatic module automatic data collection in the present invention.To collection
Data carry out comprehensive analysis processing, draw country rock internal temperature depth curve, country rock internal temperature time graph,
Country rock internal temperature genesis analysis curve, country rock depth of freezing time graph etc..By the curve of above-mentioned drafting, can system
Grasp tunnel surrounding internal temperature with the longitudinal distribution in the country rock degree of depth, time and tunnel and development and change rule, and country rock
Distribution that the depth of freezing is longitudinal with tunnel in time and development and change rule, for analyzing freezing damage in tunnel genesis mechanism further, freezing
Evil keypoint control position and prophylactico-therapeutic measures provide strong technical support.
In a detailed description of the invention, length of tunnel is 2950m, is provided with 10,10 measured holes of 10 measured holes altogether
10 positions importing and exporting 15m, 50m, 100m, 300m, 500m laying respectively at distance tunnel.The test of tunnel surrounding internal temperature
Temperature sensor 2 in device uses JMT-36D type coding semiconductor temperature sensor (PN), and data collecting system uses
JMZX-16A synthetical collection module automatic data collection；Select processing growth 2.6m, wide 20mm, the close batten of hard matter of thick 15mm
As reference test bar 1, the long 2.5m of the longitudinal fluting 11 on reference test bar 2, wide 10mm, deep 5mm；Point position spacing be 0.3～
0.5m；The long 8m of Grouting Pipe 20, caliber 15mm；Serosity is 1:1 cement mortar.By the tunnel surrounding internal temperature to the present invention
Test device and the application of method of testing, it is achieved that the temperature of the internal different depth of monitoring tunnel surrounding in real time, grasp in time
Tunnel surrounding internal temperature and the distribution of the country rock depth of freezing and Changing Pattern, for analyzing freezing damage in tunnel mechanism, freeze injury further
Keypoint control position and prophylactico-therapeutic measures provide strong technical support.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
Execute the detail in mode, in the technology concept of the present invention, technical scheme can be carried out multiple letter
Monotropic type, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the test device of a tunnel surrounding internal temperature, it is characterised in that described test device includes reference test bar (1) and many
Individual temperature sensor (2), the side surface of described reference test bar (1) is provided with longitudinal fluting (11), along the longitudinal direction of described reference test bar (1),
Multiple described temperature sensors (2) are fixedly installed in described longitudinal fluting (11) spaced reciprocally.
The test device of tunnel surrounding internal temperature the most according to claim 1, it is characterised in that described reference test bar (1)
End be formed as tapered end (12).
The test device of tunnel surrounding internal temperature the most according to claim 1, it is characterised in that described temperature sensor
(2) external coated has heat-conducting medium.
The test device of tunnel surrounding internal temperature the most according to claim 1, it is characterised in that described temperature sensor
(2) including wire (21), described wire (21) is along the longitudinally fixed wiring of described reference test bar (1).
The test device of tunnel surrounding internal temperature the most according to claim 4, it is characterised in that described wire (21) sets
Putting in protection sleeve pipe (22), described protection sleeve pipe (22) is fixed on described reference test bar (1).
6. the method for testing of a tunnel surrounding internal temperature, it is characterised in that described method of testing includes:
The first step: bore measured hole (10) on the hole wall in tunnel；
Second step: the test device of tunnel surrounding internal temperature as claimed in any of claims 1 to 5 is inserted institute
State in measured hole (10)；
3rd step: slip casting in described measured hole (10).
The method of testing of tunnel surrounding internal temperature the most according to claim 6, it is characterised in that at described second step
In, the described reference test bar (1) of the test device of described tunnel surrounding internal temperature is fixed with Grouting Pipe (20).
The method of testing of tunnel surrounding internal temperature the most according to claim 7, it is characterised in that described Grouting Pipe (20)
Tube wall be provided with multiple slurry outlet (201).
The method of testing of tunnel surrounding internal temperature the most according to claim 6, it is characterised in that at described second step
In, described measured hole (10) covers by having the stop grouting plug (30) of steam vent and injected hole, described injected hole and described slip casting
The entrance docking of pipe (20).
The method of testing of tunnel surrounding internal temperature the most according to claim 9, it is characterised in that in described 3rd step
In, serosity is entered to inject in described measured hole (10) in described Grouting Pipe (20) by described injected hole, until described aerofluxus
Serosity is discharged in hole, blocks described steam vent, continues slip casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825774.7A CN106289556A (en) | 2016-09-14 | 2016-09-14 | The test device of tunnel surrounding internal temperature and method of testing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610825774.7A CN106289556A (en) | 2016-09-14 | 2016-09-14 | The test device of tunnel surrounding internal temperature and method of testing |
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| CN201610825774.7A Pending CN106289556A (en) | 2016-09-14 | 2016-09-14 | The test device of tunnel surrounding internal temperature and method of testing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318151A (en) * | 2017-01-17 | 2018-07-24 | 辽宁省交通规划设计院有限责任公司 | Mountain tunnel lining cutting and country rock assembled temperature measuring staff |
| CN108507694A (en) * | 2018-05-03 | 2018-09-07 | 西南交通大学 | A method of monitoring tunnel surrounding internal temperature |
| CN108825306A (en) * | 2018-06-20 | 2018-11-16 | 中铁二局第四工程有限公司 | A kind of temperature monitoring device and monitoring method in High-geotemperature tunnel |
| CN108875995A (en) * | 2018-03-19 | 2018-11-23 | 中铁隧道局集团有限公司 | The prediction technique of High-geotemperature tunnel Virgin rock temperature under a kind of non-excavation condition |
| CN109406007A (en) * | 2018-12-07 | 2019-03-01 | 中铁隧道局集团有限公司 | A kind of severe cold area Railway Tunnel country rock temperature field testing device and its method for embedding |
| CN109443595A (en) * | 2018-11-16 | 2019-03-08 | 西南交通大学 | The in-situ testing device and its home position testing method of tunnel homoiothermal ring |
| CN110487443A (en) * | 2019-09-26 | 2019-11-22 | 中铁隧道局集团有限公司 | Tunnel excavation detection method under a kind of highland temperature state |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109406007A (en) * | 2018-12-07 | 2019-03-01 | 中铁隧道局集团有限公司 | A kind of severe cold area Railway Tunnel country rock temperature field testing device and its method for embedding |
| CN110487443A (en) * | 2019-09-26 | 2019-11-22 | 中铁隧道局集团有限公司 | Tunnel excavation detection method under a kind of highland temperature state |
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