CN206056529U - A kind of Slope table deformation distributed monitoring system based on fixed point optical cable - Google Patents
A kind of Slope table deformation distributed monitoring system based on fixed point optical cable Download PDFInfo
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- CN206056529U CN206056529U CN201621088386.7U CN201621088386U CN206056529U CN 206056529 U CN206056529 U CN 206056529U CN 201621088386 U CN201621088386 U CN 201621088386U CN 206056529 U CN206056529 U CN 206056529U
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- optical cable
- fixed point
- slope
- monitoring
- anchorage
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Abstract
This utility model is related to a kind of Slope table deformation distributed monitoring system based on fixed point optical cable.Which includes modulation /demodulation instrument and the monitoring means being located on side slope platform at different levels；Monitoring means include pinpointing optical cable, temperature-compensating optical cable, communications optical cable, platform intercepting ditch, fixed point anchorage and sealing material layer；Platform intercepting ditch is laterally laid in side slope, and which offers the anchor bolt hole of two row multiple rows on homonymy inwall；Optical cable is arranged between two row anchor bolt holes；Fixed point anchorage can be anchored with anchor bolt hole by bolt；Sealing material layer is covered in fixed point anchorage surface by encapsulant and is formed；Modulation /demodulation instrument connects the fixed point optical cable and temperature-compensating optical cable of each monitoring means by communications optical cable.Compared with prior art, this utility model effectively increases optical cable range, solves conventional port monitoring and a difficult problem for distributed monitoring, improves slope monitoring efficiency, therefore can be widely applied to the slope table deformation monitoring of slope of highway, railway slope.
Description
Technical field
This utility model belongs to technical field of civil engineering, it particularly relates to arrive a kind of side slope based on fixed point optical cable
Slope table deformation distributed monitoring system.
Background technology
Due to the complexity of Rock And Soil, rock-soil mechanics still has the semi-theoretical feature of semiempirical, right over time and space
The degree of safety of Geotechnical Engineering making larger difficulty.So for the safety of important slope project is mainly removed
Ensure outer by design, it is necessary to supporting corresponding monitoring meanss.Monitoring and design, construction, prospecting dynamic complementation, to monitor
With prospecting design, construction, it is ensured that the normal operation of slope project safety and highway.Although the slope of highway monitoring of foreign countries
Real-time monitoring is accomplished, but the slope of highway monitoring and prediction of the country has carried out less.
At present, routine monitoring method measuring point is laid and is laid using point type, and point sensor is costly, and is carrying out measuring point
Usually rule of thumb lay during selection, often with certain blindness, the later stage occurs that some positions excessive deformation occur but without prison
Survey data and cause the problem of engineering disease.Distributed optical fiber sensing technology is with its distributed, long range, real-time and long-term steady
It is qualitative etc., in Slope Monitoring with also having obtained popularization and application, but due to distributed optical cable when embedded with Rock And Soil (structure
Thing) couple along whole piece optical cable, when causing Rock And Soil deformation larger, optical cable deformation is transfinited, and largely have impact on monitoring system
Range.
The content of the invention
For solve above-mentioned technical problem, this utility model provide a kind of economy save time, convenient and efficient based on fixed point light
The Slope table deformation distributed monitoring system of cable.
A kind of Slope table deformation distributed monitoring system based on fixed point optical cable described in the utility model, the monitoring
System includes modulation /demodulation instrument 8 and the monitoring means being located on side slope platform at different levels；Monitoring means include pinpointing optical cable 2, temperature
Compensation optical cable 3, communications optical cable 4, platform intercepting ditch 5, fixed point anchorage 6 and sealing material layer 7；5 horizontal cloth of the platform intercepting ditch
It is located in side slope 1, section is in concave character type, and which offers the anchor bolt hole 501 of two row multiple rows on homonymy inwall；The fixed point
Optical cable 2 and temperature-compensating optical cable 3 are horizontally set between two row anchor bolt holes 501；Fixed point anchorage 6 has multiple, is rectangle
Shape, perpendicular to optical cable, which offers twice in inner central and can cover respectively in fixed point optical cable 2 and temperature-compensating optical cable 3 on long side
On semi-circular groove 601, respectively open up a line bolt hole 602 in upper and lower side；Two up bolts hole 602 and two descending spiral shells
Keyhole 602 can anchor bolt hole corresponding with uplink and downlink 501 anchors respectively by bolt 603；Sealing material layer 7 is by sealing
Material is covered in 6 surface of fixed point anchorage and is formed；Modulation /demodulation instrument 8 connects the fixed point optical cable 2 of each monitoring means by communications optical cable 4
With temperature-compensating optical cable 3.
A kind of Slope table deformation distributed monitoring system based on fixed point optical cable described in the utility model, the fixed point
Spacing between anchorage 6 is 2m, 5 top surface 20cm of its centre-to-centre spacing intercepting ditch.
A kind of Slope table deformation distributed monitoring system based on fixed point optical cable described in the utility model, the fixed point
Four bolts hole 602 on anchorage 6 constitute square of the length of side for 4.4cm, and the eye diameter of bolt hole 602 is 8mm.
Compared with prior art, the Slope table deformation distributed monitoring system based on fixed point optical cable described in the utility model
By optical cable fixed point is anchored in the wall of plain stage of slope intercepting ditch side, monitoring network is formed, Slope table is perceived by optical cable deformation
Deformation, the monitoring coverage and the deformation data for gathering of the deformation of its side slope are far longer than conventional port monitoring method, and by
In fixed point monitoring technology is employed, optical cable range is effectively increased, solves a difficult problem for conventional port monitoring and distributed monitoring,
Slope monitoring efficiency is improve, therefore can be widely applied to the slope table deformation monitoring of slope of highway, railway slope.
Description of the drawings
Fig. 1：Slope table deformation distributed monitoring system overall diagram based on fixed point optical cable；Fig. 2：Fixed point optical cable is laid and is cutd open
Face figure；Fig. 3：Fixed point anchorage plane graph；Side slope -1, fixed point optical cable -2, temperature-compensating optical cable -3, communications optical cable -4, platform intercept water
Ditch -5, fixed point anchorage -6, sealing material layer -7, modulation /demodulation instrument -8, semi-circular groove -601, bolt hole -602, bolt -603.
Specific embodiment
With reference to specific embodiment to the Slope table deformation distribution based on fixed point optical cable described in the utility model
Formula monitoring system is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of Slope table deformation distributed monitoring system based on fixed point optical cable, the monitoring system include modulation /demodulation
Instrument 8 and the monitoring means being located on side slope platform at different levels；Monitoring means include pinpointing optical cable 2, temperature-compensating optical cable 3, Communication ray
Cable 4, platform intercepting ditch 5, fixed point anchorage 6 and sealing material layer 7；The platform intercepting ditch 5 is laterally laid in side slope 1, section
In concave character type, which offers the anchor bolt hole 501 of two row multiple rows on homonymy inwall；The fixed point optical cable 2 and temperature-compensating
Optical cable 3 is horizontally set between two row anchor bolt holes 501；Fixed point anchorage 6 has multiple, is rectangle shape, and long side is perpendicular to light
Cable, which offers twice in inner central and can cover the semi-circular groove 601 on fixed point optical cable 2 and temperature-compensating optical cable 3 respectively,
A line bolt hole 602 is opened up respectively in upper and lower side；Two up bolts hole 602 and two descending bolts hole 602 can pass through spiral shell
Anchor bolt hole corresponding with uplink and downlink 501 anchors bolt 603 respectively；Sealing material layer 7 is covered in fixed point by encapsulant
6 surface of anchorage is formed, and this makes optical cable and berme ditch xoncrete structure at the point preferably couple, while preventing rainwater to fixed
Point anchorage causes corrosion；Modulation /demodulation instrument 8 connects the fixed point optical cable 2 and temperature-compensating light of each monitoring means by communications optical cable 4
Cable 3.Spacing between the fixed point anchorage 6 is 2m, 5 top surface 20cm of its centre-to-centre spacing intercepting ditch.Four on the fixed point anchorage 6
Bolt hole 602 constitutes square of the length of side for 4.4cm, and the eye diameter of bolt hole 602 is 8mm.
3 grades of existing certain highway loess slope, the high 8m of every grade of Slope, the long 30m of one-level platform intercepting ditch, two grades of platforms
The long 25m of intercepting ditch, platform intercept water furrow width 40cm, deep 60cm.The concrete installation operation of the Slope table DEFORMATION MONITORING SYSTEM is：①
Calculating optical cable needs length, current embodiment require that fixed point cable length and temperature-compensating cable length are 55m (one-levels：30m,
Two grades：25m, adds up to 30m+25m=55m)；2. rule at the wall intercepting ditch top surface 20cm of slopes side platform intercepting ditch side, line
It is parallel with ditch.And " cross " phenotypic marker point is done per 2m.By the geometric center of the anchorage for processing and " cross " phenotypic marker
Point overlaps, and hole site is marked on ditch side wall by anchorage bolt hole.Anchor hole is drilled with by mark position, one group 4, eyelet
Diameter 8mm, per group of 4 eyelet spacing are 4.4cm.Upper row 2, lower row 2.3. by two optical cables, (fixed point optical cable, temperature are mended
Repay optical cable) it is embedded in the twice semi-circular groove of anchorage, it is bolted ditch side wall.Fixed along ditch side successively, directly
Finish to first order berm ditch is all laid along total length.4. anchorage is pointed out in anchoring with encapsulant and optical cable is sealed in water
On the wall of ditch side.5. 2., 3., 4. repeat step, completes second level platform optical cable and lays.6. will fixed point optical cable and temperature-compensating optical cable
Joint positioned at ditch both sides is connected with communications optical cable respectively, and communications optical cable is respectively led at side slope toe along both sides, will
Any end point of distributed optical cable modulation /demodulation instrument access optical cable, gathers optical signal information of the optical cable along whole frame beam structure,
Process as initial reading through the later stage, periodically read optical cable deformation data, contrast with initial reading, that is, obtain platform intercepting ditch
Malformation, as platform intercepting ditch is embedded in Slope table, the malformation of platform intercepting ditch is believed that with the deformation of Slope table
It is harmonious, you can to obtain the deformation of Slope table.
Compared with prior art, this utility model is anchored in the wall of plain stage of slope intercepting ditch side by optical cable is pinpointed, shape
Into monitoring network, the deformation of Slope table is perceived by optical cable deformation, monitoring coverage and the deformation of collection that its side slope deforms
Data are far longer than conventional port monitoring method, and as a result of fixed point monitoring technology, effectively increase optical cable range, solve
Conventional port monitoring and a difficult problem for distributed monitoring, improve slope monitoring efficiency, therefore can be widely applied to slope of highway, ferrum
The slope table deformation monitoring on roadside slope.
Claims (3)
1. a kind of Slope table based on fixed point optical cable deforms distributed monitoring system, it is characterised in that the monitoring system bag
The monitoring means for including modulation /demodulation instrument (8) and being located on side slope platform at different levels；Monitoring means include that pinpointing optical cable (2), temperature mends
Repay optical cable (3), communications optical cable (4), platform intercepting ditch (5), fixed point anchorage (6) and sealing material layer (7)；The platform intercepting ditch
(5) laterally it is laid in side slope (1), section is in concave character type, and which offers the anchor bolt hole of two row multiple rows on homonymy inwall
(501)；Fixed point optical cable (2) and temperature-compensating optical cable (3) are horizontally set between two row anchor bolt holes (501)；Fixed point
Anchorage (6) has multiple, is rectangle shape, and perpendicular to optical cable, which offers twice in inner central and can cover respectively fixed on long side
Semi-circular groove (601) on point optical cable (2) and temperature-compensating optical cable (3), respectively opens up a line bolt hole (602) in upper and lower side；On
Two capable bolts hole (602) and two descending bolts hole (602) can be corresponding to uplink and downlink respectively by bolt (603)
Anchor bolt hole (501) anchoring；Sealing material layer (7) is covered in fixed point anchorage (6) surface by encapsulant and is formed；Modulatedemodulate
Instrument (8) is adjusted to connect the fixed point optical cable (2) and temperature-compensating optical cable (3) of each monitoring means by communications optical cable (4).
2. the Slope table based on fixed point optical cable according to claim 1 deforms distributed monitoring system, it is characterised in that
Spacing between fixed point anchorage (6) is 2m, its centre-to-centre spacing intercepting ditch (5) top surface 20cm.
3. the Slope table based on fixed point optical cable according to claim 1 deforms distributed monitoring system, it is characterised in that
Four bolts hole (602) on fixed point anchorage (6) constitute square of the length of side for 4.4cm, and the eyelet of bolt hole (602) is straight
Footpath is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088386.7U CN206056529U (en) | 2016-09-28 | 2016-09-28 | A kind of Slope table deformation distributed monitoring system based on fixed point optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088386.7U CN206056529U (en) | 2016-09-28 | 2016-09-28 | A kind of Slope table deformation distributed monitoring system based on fixed point optical cable |
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| CN206056529U true CN206056529U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088386.7U Expired - Fee Related CN206056529U (en) | 2016-09-28 | 2016-09-28 | A kind of Slope table deformation distributed monitoring system based on fixed point optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836690A (en) * | 2019-11-06 | 2020-02-25 | 中国地质调查局水文地质环境地质调查中心 | High-position remote landslide early warning device and method based on deformation and water content |
-
2016
- 2016-09-28 CN CN201621088386.7U patent/CN206056529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836690A (en) * | 2019-11-06 | 2020-02-25 | 中国地质调查局水文地质环境地质调查中心 | High-position remote landslide early warning device and method based on deformation and water content |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180928 |