CN104251681A - Tunnel upward slope soil slippage and cracking monitoring instrument and method thereof - Google Patents
Tunnel upward slope soil slippage and cracking monitoring instrument and method thereof Download PDFInfo
- Publication number
- CN104251681A CN104251681A CN201410498902.2A CN201410498902A CN104251681A CN 104251681 A CN104251681 A CN 104251681A CN 201410498902 A CN201410498902 A CN 201410498902A CN 104251681 A CN104251681 A CN 104251681A
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- stationary installation
- tunnel
- upward slope
- tape measure
- monitoring instrument
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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 upward slope in tunnel soil body slipping cracking monitoring instrument and method thereof, belong to limit/face upward slope monitoring technical field.
Background technology
China's mountain ridge distribution area is wide, builds underground tunnel project in mountain terrain, needs the safety observing ensureing Tunnel Engineering in time to the slippage cracking situation of facing upward slope in construction, prevents from facing upward hill wash and removes to split and cause disaster accident.China has carried out a large amount of excavation slopes, road slope monitoring, but due to reasons such as upward slope in tunnel soil body complex geologic conditions and vegetative coverage, is not easy to be found when facing upward slope and soil body slipping cracking occurring; Meanwhile, the instrument both at home and abroad for upward slope in tunnel monitoring is still few.
Summary of the invention
The object of this invention is to provide a kind of upward slope in tunnel soil body slipping cracking monitoring instrument, this apparatus structure is simple and practical, can be used for the monitoring of facing upward slope soil body slipping cracking of Tunnel Engineering, face upward the deformation rule of the slope soil body in timely grasp work progress, be conducive to the safe construction of actual tunnel engineering.
Another object of the present invention is to provide the method for a kind of upward slope in tunnel soil body slipping cracking monitoring.
For achieving the above object, the present invention adopts following technical scheme:
A kind of upward slope in tunnel soil body slipping cracking monitoring instrument, comprises front some stationary installation and rear some stationary installation;
Point stationary installation before described, comprise fixed bar, one end of described fixed bar is connected with measuring instrument by spherical valve;
Described rear some stationary installation, comprises fixed bar, the middle part fluting of described fixed bar, and tape measure is installed in described groove, and fixed bar is connected with spherical valve near one end of tape measure, and the top of described spherical valve is provided with register pin; The described front some measuring instrument of stationary installation is connected with the chi body of the tape measure of rear some stationary installation.
The end of described measuring instrument is provided with annulus;
The chi body of described tape measure is provided with a hole passed for register pin every 8-12cm;
The end of the chi body of described tape measure is provided with hook;
The fixed bar of described front some stationary installation and rear some stationary installation is metal stiff rod, and length is 1-3m;
Described measuring instrument is provided with display.
Adopt this device to carry out the method for upward slope in tunnel soil body slipping cracking monitoring, comprise the following steps:
(1) be drilled into few hole, two some positions along tunnel axis direction on tunnel invert earth's surface, between hole, two some positions, line moves towards parallel with tunnel; The fixed bar putting stationary installation and rear some stationary installation before monitoring instrument is separately fixed in hole;
(2) tape measure of rear some stationary installation is pulled open, pull-up register pin, the hook of the chi end of body of tape measure is connected with the measuring instrument end annulus in front some stationary installation;
(3) tighten up tape measure, press register pin, before opening, the measuring instrument of some stationary installation, records initial reading L after pending data is stable
0;
(4) by the reading L of measuring instrument under record different time
n(n=1,2,3,4 ...), data variation rule between analyzing at 2, if △ is L=L
n-L
n-1≠ 0, then between 2, soil-body landslide slippage occurs, △ L is the distance of soil-body landslide between 2, and △ L is the speed of soil-body landslide divided by time interval of twice record; If △ is L=L
n-L
0=0, then there is not soil-body landslide slippage between 2.
Beneficial effect of the present invention:
(1) front some stationary installation of monitoring instrument of the present invention is provided with spherical valve, and measuring instrument 360 degree can be made to rotate and can meet the angle of inclination of facing upward slope, is convenient to automatically adjust according to facing upward hillside fields shape, survey data closing to reality more;
(2) monitoring instrument of the present invention can overcome and faces upward slope complicated earth surface situation, for facing upward the monitoring of slope soil body slipping cracking;
(3) monitoring instrument of the present invention is divided into two parts, is easy to carry; Instrument assembling is simple, convenient operation; Accurately can measure deformations such as facing upward slope soil body slipping cracking.
Accompanying drawing explanation
Fig. 1 is the structural representation of rear some stationary installation of upward slope in tunnel soil body slipping of the present invention cracking monitoring instrument;
Fig. 2 is the schematic diagram of rear some stationary installation of upward slope in tunnel soil body slipping of the present invention cracking monitoring instrument when pulling open tape measure;
Fig. 3 is the structural representation of front some stationary installation of upward slope in tunnel soil body slipping of the present invention cracking monitoring instrument.
Wherein, 1-fixed bar; 2-tape measure; 3-chi body; 4-register pin; 5-spherical valve; 6-links up with; 7-fixed bar; 8-spherical valve; 9-measuring instrument; 10-annulus.
Embodiment
The present invention is further illustrated in conjunction with the embodiments, should be noted that following explanation is only to explain the present invention, not limiting 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, comprises front some stationary installation and rear some stationary installation; Wherein, front some stationary installation, comprises fixed bar 7, and one end of described fixed bar 7 is connected with measuring instrument 9 by spherical valve 8; Rear some stationary installation, comprises fixed bar 1, the middle part fluting of described fixed bar 1, and tape measure 2 is installed in described groove, and fixed bar 1 is connected with spherical valve 5 near one end of tape measure 2, and the top of described spherical valve 5 is provided with register pin 4; The described front some measuring instrument 9 of stationary installation is connected with the chi body 3 of the tape measure 2 of rear some stationary installation.
The end of the chi body 3 of tape measure 2 is provided with hook 6, and the chi body 3 of tape measure 2 is provided with a hole passed for register pin 4 every 10cm.Measuring instrument 9 is provided with display, the end of measuring instrument 9 is provided with the annulus 10 be connected with the hook 6 of the chi end of body of tape measure, measuring instrument reading after annulus tension produces displacement can change, changing value is the displacement before 2, by recording the change of forward and backward distance between two points, before can drawing at 2 there is the shift value of cracking in the soil body.
In the present embodiment, the fixed bar of front some stationary installation and rear some stationary installation is metal stiff rod, and length is 2m.
Adopt this monitoring instrument to carry out the method for upward slope in tunnel soil body slipping cracking monitoring, be specially:
(1) on tunnel invert earth's surface along Zuan Dianwei hole, tunnel axis direction, between 2, line and tunnel move towards parallel; By putting the metal stiff rod 7 of stationary installation before monitoring instrument, the metal stiff rod 1 of rear some stationary installation inserts in the hole respectively, uses suitable quantity of water cement mortar by 2 fixations, is convenient to DATA REASONING;
(2), after stationary installation fixes before and after, the tape measure 2 of rear some stationary installation is pulled open, pull-up register pin 4, the hook 6 of chi body 3 end of tape measure is connected with the measuring instrument end annulus 10 of front some stationary installation;
(3) tighten up steel tape 2, press register pin 4, before opening, the measuring instrument 9 of some stationary installation, records initial reading after pending data is stable;
(4) by the reading of measuring instrument 9 under record different time, whether data variation rule between analyzing at 2, there is soil-body landslide slippage before can drawing at 2.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. a upward slope in tunnel soil body slipping cracking monitoring instrument, is characterized in that, comprises front some stationary installation and rear some stationary installation;
Point stationary installation before described, comprise fixed bar, one end of described fixed bar is connected with measuring instrument by spherical valve;
Described rear some stationary installation, comprises fixed bar, the middle part fluting of described fixed bar, and tape measure is installed in described groove, and fixed bar is connected with spherical valve near one end of tape measure, and the top of described spherical valve is provided with register pin; The described front some measuring instrument of stationary installation is connected with the chi body of the tape measure of rear some stationary installation.
2. a kind of upward slope in tunnel soil body slipping cracking monitoring instrument as claimed in claim 1, it is characterized in that, the end of described measuring instrument is provided with annulus.
3. a kind of upward slope in tunnel soil body slipping cracking monitoring instrument as claimed in claim 1, it is characterized in that, the end of the chi body of described tape measure is provided with hook.
4. a kind of upward slope in tunnel soil body slipping cracking monitoring instrument as claimed in claim 1, is characterized in that, the chi body of described tape measure is provided with a hole passed for register pin every 8-12cm.
5. a kind of upward slope in tunnel soil body slipping cracking monitoring instrument as claimed in claim 1, it is characterized in that, the fixed bar of described front some stationary installation and rear some stationary installation is metal stiff rod, and length is 1-3m.
6. a kind of upward slope in tunnel soil body slipping cracking monitoring instrument as claimed in claim 1, it is characterized in that, described measuring instrument is provided with display.
7. adopt the monitoring instrument described in any one of claim 1 to 6 to carry out the method for upward slope in tunnel soil body slipping cracking monitoring, it is characterized in that, comprise the following steps:
(1) be drilled into few hole, two some positions along tunnel axis direction on tunnel invert earth's surface, between hole, 2 positions, line moves towards parallel with tunnel; The fixed bar putting stationary installation and rear some stationary installation before monitoring instrument is separately fixed in hole;
(2) tape measure of rear some stationary installation is pulled open, pull-up register pin, the hook of the chi end of body of tape measure is connected with the measuring instrument end annulus in front some stationary installation;
(3) tighten up tape measure, press register pin, before opening, the measuring instrument of some stationary installation, records initial reading L after pending data is stable
0;
(4) by the reading Ln of measuring instrument under record different time, data variation rule between analyzing at 2, can draw, between hole, two some positions, whether soil-body landslide slippage occur.
8. method as claimed in claim 7, is characterized in that, in described step (4), if △ is L=Ln-L
0≠ 0, then there is soil-body landslide slippage between 2; If △ is L=Ln-L
0=0, then there is not soil-body landslide slippage between 2.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN104251681A true CN104251681A (en) | 2014-12-31 |
| CN104251681B CN104251681B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410498902.2A Active CN104251681B (en) | 2014-09-25 | 2014-09-25 | Tunnel upward slope soil slippage and cracking monitoring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008181A (en) * | 2021-03-18 | 2021-06-22 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008181A (en) * | 2021-03-18 | 2021-06-22 | 桂林电子科技大学 | Soil motion gesture monitoring box |
| 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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| Publication number | Publication date |
|---|---|
| CN104251681B (en) | 2017-04-19 |
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