CN104251681B - Tunnel upward slope soil slippage and cracking monitoring method - Google Patents
Tunnel upward slope soil slippage and cracking monitoring method Download PDFInfo
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- CN104251681B CN104251681B CN201410498902.2A CN201410498902A CN104251681B CN 104251681 B CN104251681 B CN 104251681B CN 201410498902 A CN201410498902 A CN 201410498902A CN 104251681 B CN104251681 B CN 104251681B
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- fixing device
- tunnel
- upward slope
- tape measure
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Abstract
The invention discloses a tunnel upward slope soil slippage and cracking monitoring instrument, which comprises a front point fixing device and a back point fixing device, wherein the front point fixing device comprises a fixing rod, and one end of the fixing rod is connected with a measuring instrument by a spherical valve; the back point fixing device comprises a fixing rod, wherein the middle part of the fixing rod is provided with a groove, a tape is arranged in the groove, one end, near the tape, of the fixing rod is connected with a spherical valve, and the top part of the spherical valve is provided with a positioning pin; the measuring instrument of the front point fixing device is connected with a tape body of the back point fixing device. The invention also discloses a method using the monitoring instrument to monitor the tunnel upward slope soil slippage and cracking. The monitoring instrument and the method have the advantages that the structure is simple and practical, the tunnel upward slope soil slippage and cracking of tunnel projects can be monitored, the deformation rule of the upward slope soil in the construction process can be timely controlled, and the safety construction of the actual tunnel project is favorably performed.
Description
Technical field
The present invention relates to a kind of method of upward slope in tunnel soil body slipping cracking monitoring, belong to side/face upward slope monitoring technical field.
Background technology
China's mountain ridge distribution area is wide, and in mountain terrain underground tunnel project is built, and needs in construction in time to facing upward slope
Sliding cracking situation is observed to ensure the safety of Tunnel Engineering, prevents from facing upward hill wash removing to split and causes disaster accident.China is
Carry out substantial amounts of excavation slope, road slope monitoring, but due to upward slope in tunnel soil body complex geologic conditions and vegetation
The reasons such as covering, occur to be not easy to be found when soil body slipping ftractures slope is faced upward；Meanwhile, both at home and abroad for upward slope in tunnel monitoring
Instrument is still few.
The content of the invention
A kind of monitoring instrument it is an object of the invention to provide upward slope in tunnel soil body slipping ftractures, the apparatus structure is simply real
With, can be used for the monitoring for facing upward slope soil body slipping cracking of Tunnel Engineering, the change that the slope soil body is faced upward in work progress is grasped in time
Shape rule, is conducive to the safe construction of actual tunnel engineering.
It is a further object of the present invention to provide a kind of method of upward slope in tunnel soil body slipping cracking monitoring.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of upward slope in tunnel soil body slipping cracking monitoring instrument, including front fixing device and rear fixing device；
Point fixing device before described, including fix bar, one end of the fix bar is connected by globe valve with measuring instrument；
Point fixing device after described, including fix bar, the middle part fluting of the fix bar, tape measure is installed in the groove,
Fix bar is connected with globe valve near one end of tape measure, and at the top of the globe valve alignment pin is provided with；Point fixing device before described
Measuring instrument be connected with the chi body of the tape measure of rear fixing device.
The end of the measuring instrument is provided with annulus；
A hole passed through for alignment pin is provided with the chi body of the tape measure every 8-12cm；
The end of the chi body of the tape measure is provided with hook；
The fix bar of the front point fixing device and rear fixing device is metal stiff rod, and length is 1-3m；
The measuring instrument is provided with display.
The method for carrying out the cracking monitoring of upward slope in tunnel soil body slipping using the device, comprises the following steps：
(1) at least two point position holes, line between the hole of two point positions are bored along tunnel axis direction in upward slope in tunnel earth's surface
Move towards parallel with tunnel；The fix bar of front fixing device of monitoring instrument and rear fixing device is separately fixed in hole；
(2) tape measure of rear fixing device is pulled open, pull-up alignment pin, by the hook and front solid point in the chi body end portion of tape measure
The measuring instrument end circular loop determined on device is connected；
(3) tape measure is tightened up, presses alignment pin, the measuring instrument of point fixing device, records just after pending data is stable before opening
Beginning reading L0；
(4) by the reading L of measuring instrument under record different timen(n=1,2,3,4 ...), data become between 2 points of analysis
Law, if △ is L=Ln-Ln-1≠ 0, then there is soil-body landslide sliding between 2 points, △ L are soil-body landslide between 2 points
Distance, △ L are the speed of soil-body landslide divided by the time interval for recording twice；If △ is L=Ln-L0=0, then between 2 points not
Generation soil-body landslide sliding.
Beneficial effects of the present invention：
(1) front fixing device of monitoring instrument of the present invention is provided with globe valve, can make 360 degree of measuring instrument rotation and can
To meet the angle of inclination for facing upward slope, it is easy to basis to face upward hillside fields shape and automatically adjusts, surveys data more closing to reality；
(2) monitoring instrument of the invention can overcome and face upward slope complicated earth surface situation, for facing upward the prison of slope soil body slipping cracking
Survey；
(3) monitoring instrument of the invention is divided into two parts, is easy to carry；Instrument assembling is simple, is easy to operation；Can be accurate
The deformations such as slope soil body slipping cracking are faced upward in measurement.
Description of the drawings
Fig. 1 is the structural representation of rear fixing device of upward slope in tunnel soil body slipping cracking monitoring instrument of the present invention；
Fig. 2 is signal when rear fixing device of upward slope in tunnel soil body slipping of the present invention cracking monitoring instrument pulls open tape measure
Figure；
Fig. 3 is the structural representation of front fixing device of upward slope in tunnel soil body slipping cracking monitoring instrument of the present invention.
Wherein, 1- fix bars；2- tape measures；3- chi bodies；4- alignment pins；5- globe valves；6- is linked up with；7- fix bars；8- is spherical
Valve；9- measuring instruments；10- annulus.
Specific embodiment
In conjunction with the embodiments the present invention is further illustrated, it should explanation, and the description below is merely to explain this
Invention, is not defined to its content.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of upward slope in tunnel soil body slipping cracking monitoring instrument, including front fixing device
With rear fixing device；Wherein, front fixing device, including fix bar 7, one end of the fix bar 7 is by globe valve 8 and survey
Amount instrument 9 connects；After put fixing device, including fix bar 1, the middle part fluting of the fix bar 1, tape measure 2 is installed in the groove,
Fix bar 1 is connected with globe valve 5 near one end of tape measure 2, and the top of the globe valve 5 is provided with alignment pin 4；Point is fixed before described
The measuring instrument 9 of device is connected with the chi body 3 of the tape measure 2 of rear fixing device.
The end of the chi body 3 of tape measure 2 is provided with hook 6, is provided with one every 10cm on the chi body 3 of tape measure 2 and wears for alignment pin 4
The hole crossed.Measuring instrument 9 is provided with display, and the end of measuring instrument 9 is provided with the circle being connected with the hook 6 in the chi body end portion of tape measure
Ring 10, measuring instrument reading after annulus tension produces displacement can change, and changing value is the displacement between 2 points, by record
The change of forward and backward distance between two points, you can show that the soil body occurs the shift value for ftractureing between 2 points.
In the present embodiment, the fix bar of front fixing device and rear fixing device is metal stiff rod, and length is 2m.
The method that the cracking monitoring of upward slope in tunnel soil body slipping is carried out using the monitoring instrument, specially：
(1) in upward slope in tunnel earth's surface along tunnel axis direction Zuan Dianwei holes, line moves towards parallel with tunnel between 2 points；
The metal stiff rod 1 of the metal stiff rod 7 of front fixing device of monitoring instrument, rear point fixing device is inserted in the hole respectively, is used
2 fixations are easy to DATA REASONING by appropriate cement mortar；
(2) after fixing device is fixed before and after, the tape measure 2 of rear fixing device is pulled open, pull-up alignment pin 4 will be rolled up
The hook 6 of the end of chi body 3 of chi is connected with the measuring instrument end circular loop 10 of front fixing device；
(3) ribbon 2 is tightened up, alignment pin 4 is pressed, the measuring instrument 9 of point fixing device, records after pending data is stable before opening
Lower initial reading；
(4) by the reading of measuring instrument 9 under record different time, data variation rule between 2 points of analysis, you can draw
Whether soil-body landslide sliding there is between 2 points.
Although the above-mentioned accompanying drawing that combines is described to the specific embodiment of the present invention, not to present invention protection model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need the various modifications made by paying creative work or deformation still within protection scope of the present invention.
Claims (1)
1. a kind of method that upward slope in tunnel soil body slipping cracking is monitored, it is characterised in that using monitoring instrument to upward slope in tunnel soil
Body sliding cracking is monitored, and the monitoring instrument includes front fixing device and rear fixing device；
Point fixing device before described, including fix bar, one end of the fix bar is connected by globe valve with measuring instrument；
Point fixing device after described, including fix bar, the middle part fluting of the fix bar, tape measure is installed in the groove, fixed
Bar is connected with globe valve near one end of tape measure, and at the top of the globe valve alignment pin is provided with；The survey of point fixing device before described
Amount instrument is connected with the chi body of the tape measure of rear fixing device；
Monitoring method is comprised the following steps：
(1) at least two point position holes, line and tunnel between two point position holes are bored along tunnel axis direction in upward slope in tunnel earth's surface
Move towards parallel；The fix bar of front fixing device of monitoring instrument and rear fixing device is separately fixed in hole；
(2) tape measure of rear fixing device is pulled open, pull-up alignment pin, by the hook in the chi body end portion of tape measure and the fixed dress of front point
The measuring instrument end circular loop put is connected；
(3) tape measure is tightened up, presses alignment pin, the measuring instrument of point fixing device, after pending data is stable initial read is recorded before opening
Number L0；
(4) by the reading Ln of measuring instrument under record different time, data variation rule between 2 points of analysis, you can draw two
Whether point there is soil-body landslide sliding between the hole of position；
In the step (4), if △ is L=Ln-L0≠ 0, then there is soil-body landslide sliding between 2 points；If △ is L=Ln-L0=0,
Then there is no soil-body landslide sliding between 2 points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498902.2A CN104251681B (en) | 2014-09-25 | 2014-09-25 | Tunnel upward slope soil slippage and cracking monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498902.2A CN104251681B (en) | 2014-09-25 | 2014-09-25 | Tunnel upward slope soil slippage and cracking monitoring method |
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| Publication Number | Publication Date |
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| CN104251681A CN104251681A (en) | 2014-12-31 |
| CN104251681B true CN104251681B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410498902.2A Active CN104251681B (en) | 2014-09-25 | 2014-09-25 | Tunnel upward slope soil slippage and cracking monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113008181B (en) * | 2021-03-18 | 2022-02-11 | 桂林电子科技大学 | Soil motion gesture monitoring box |
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|---|---|---|---|---|
| CN85205241U (en) * | 1985-12-11 | 1986-09-24 | 北京钢铁学院 | Non-constant tension constrictor |
| CN2186909Y (en) * | 1993-09-14 | 1995-01-04 | 铁道部隧道工程局科学研究所 | Digital indicating gallery collecting gauge |
| CN2328983Y (en) * | 1998-05-13 | 1999-07-14 | 胡卫星 | Tension self-sounding electronic digital display convergence instrument |
| CN2394195Y (en) * | 1999-09-21 | 2000-08-30 | 中国人民解放军89003部队 | Electrc digital shrinking meter |
| CN1280292A (en) * | 1999-07-13 | 2001-01-17 | 铁道部科学研究院西南分院 | Self locking rocking headle type convergence meter |
| CN101881592A (en) * | 2010-06-17 | 2010-11-10 | 同济大学 | Self-advancing slide rail pendulous ground fissure deformation monitoring device |
| CN203657680U (en) * | 2013-11-22 | 2014-06-18 | 山东大学 | Convergence auxiliary device for tunnel monitoring and measurement |
| CN104154850A (en) * | 2014-08-01 | 2014-11-19 | 山东大学 | Monitoring instrument and method for monitoring slippage and cracking on heading slope soil body of tunnel |
| CN204085436U (en) * | 2014-08-01 | 2015-01-07 | 山东大学 | For the monitoring instrument of upward slope in tunnel soil body slipping cracking monitoring |
| CN204142216U (en) * | 2014-09-25 | 2015-02-04 | 山东大学 | A kind of upward slope in tunnel soil body slipping cracking monitoring instrument |
-
2014
- 2014-09-25 CN CN201410498902.2A patent/CN104251681B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205241U (en) * | 1985-12-11 | 1986-09-24 | 北京钢铁学院 | Non-constant tension constrictor |
| CN2186909Y (en) * | 1993-09-14 | 1995-01-04 | 铁道部隧道工程局科学研究所 | Digital indicating gallery collecting gauge |
| CN2328983Y (en) * | 1998-05-13 | 1999-07-14 | 胡卫星 | Tension self-sounding electronic digital display convergence instrument |
| CN1280292A (en) * | 1999-07-13 | 2001-01-17 | 铁道部科学研究院西南分院 | Self locking rocking headle type convergence meter |
| CN2394195Y (en) * | 1999-09-21 | 2000-08-30 | 中国人民解放军89003部队 | Electrc digital shrinking meter |
| CN101881592A (en) * | 2010-06-17 | 2010-11-10 | 同济大学 | Self-advancing slide rail pendulous ground fissure deformation monitoring device |
| CN203657680U (en) * | 2013-11-22 | 2014-06-18 | 山东大学 | Convergence auxiliary device for tunnel monitoring and measurement |
| CN104154850A (en) * | 2014-08-01 | 2014-11-19 | 山东大学 | Monitoring instrument and method for monitoring slippage and cracking on heading slope soil body of tunnel |
| CN204085436U (en) * | 2014-08-01 | 2015-01-07 | 山东大学 | For the monitoring instrument of upward slope in tunnel soil body slipping cracking monitoring |
| CN204142216U (en) * | 2014-09-25 | 2015-02-04 | 山东大学 | A kind of upward slope in tunnel soil body slipping cracking monitoring instrument |
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| CN104251681A (en) | 2014-12-31 |
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