CN207703246U - Debris flow early-warning monitors system - Google Patents
Debris flow early-warning monitors system Download PDFInfo
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- CN207703246U CN207703246U CN201721616241.4U CN201721616241U CN207703246U CN 207703246 U CN207703246 U CN 207703246U CN 201721616241 U CN201721616241 U CN 201721616241U CN 207703246 U CN207703246 U CN 207703246U
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- Prior art keywords
- pier
- hole
- debris flow
- anchor cable
- monitors system
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- 238000004458 analytical method Methods 0.000 description 4
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Abstract
The utility model provides a kind of debris flow early-warning and monitors system, including constant resistance and large deformation anchor cable, high-strength Protection Pier, wherein the high-strength Protection Pier includes:Pier body, in a ring, center have a through-hole, and the free end of the constant resistance and large deformation anchor cable is fixed in the through-hole;Multiple supporting rods, one end are removably attachable on the lateral wall of the pier body, and the other end extends on the surface of refuse dump slight slope.High-strength Protection Pier is designed as modular structure by the utility model, can be completed in precasting yard, at the scene Assembly interface so that site construction technology greatly simplifies, and the construction time greatly shortens.
Description
Technical field
The utility model is related to debris flow technical field, more particularly to a kind of debris flow early-warning monitors system.
Background technology
Mine production is mining formed dumps ground deposit due to stripping rock the like waste in the process,
For strip mining transformation stripping rock than generally higher than 1, soil discharge quantity is huge.Mud-rock flow is in the case where being acted on containing solid matters such as a large amount of silt stones
The geological disaster of the solidliquid mixture with powerful destructive power occurred.Especially in rainy season, the potential mud-stone flow disaster in refuse dump is hidden
Suffer from and protruding, seriously threaten mine safety, it is therefore desirable to be monitored early warning to it, improve mining area refuse dump and prevent and reduce natural disasters energy
Power.
Currently, the monitoring and pre-alarming method for Mine production mud-rock flow routine is relatively more, but mainly asked there are three
Topic:First, the monitoring contents such as rainfall, displacement have caught the essential element that mud-rock flow occurs, and but seldom consider mud
The mechanics necessary and sufficient conditions that rock glacier occurs.Second, conventional debris flow monitoring pre-warning method needs specialized engineering skill mostly
The first data measured at the scene of art personnel, then by data band to analysis personnel's processing, the period lengthens, and real-time effect is poor, automates
Degree is low.Third, monitoring and warning criterion is qualitative and non-quantitative, operation judges are complicated.
In consideration of it, application No. is a kind of mud-rock flow monitoring of the Chinese invention patent application of " 201510509435.3 " offer is pre-
Alert system, as shown in Figure 1, including constant resistance and large deformation anchor cable 10, piezoelectric type mechanics sensor 20, data acquisition and emitter 30
And data sink 40.Constant resistance and large deformation anchor cable 10 is set in monitoring area, which can be FIX CHARGE RATE ABOUT THE WASTE
A slight slope 50 in native field, the slope surface 51 of slight slope 50 and horizontal plane have an angle theta, and the angle of θ is generally less than 52 °, such as
45°。
The maximum deformation quantity of constant resistance and large deformation anchor cable 10 can be 2m, and specifically, constant resistance and large deformation anchor cable 10 may include anchor
Gu section 11 and free segment 12, anchoring section 11 are fully inserted into the monitoring holes for being opened in slope surface 51, free segment 12 is predominantly located in
In monitoring holes, end is located at outside monitoring holes.Piezoelectric type mechanics sensor 20 is set to constant resistance and large deformation anchor cable 10 and is located at monitoring holes
Outer end, for carrying out mechanical meaurement to constant resistance and large deformation anchor cable 10, i.e., when the free segment of constant resistance and large deformation anchor cable is applied in
After pretightning force, constant resistance and large deformation anchor cable 10 is acted on by an anchor cable pulling force, is set to the piezoelectric forces of free segment 12 at this time
The mechanical information that sensor 20 can acquire the anchor cable pulling force can since the frequency acquisition of piezoelectric type mechanics sensor 20 is higher
It realizes and the unremitting mechanics of whole process of anchor cable pulling force suffered by constant resistance and large deformation anchor cable 10 is acquired.
High-strength Protection Pier 60 is provided in the slope surface 51 of slight slope 50, high-strength Protection Pier 60 preferably has one and slope surface phase
Matched inclined-plane, to be set in slope surface 51.The present invention does not limit the structure of high-strength Protection Pier 60, can according to pair
The concrete condition for the slope surface answered carries out the adjustment of structure.High-strength Protection Pier 60 can be made of armored concrete, and big by constant-resistance
Deformation anchor cable 10 is exposed to the end outside monitoring holes and provides pre-loaded support struts for it.Specifically, high-strength Protection Pier 60 can pass through one
The free segment 12 of constant resistance and large deformation anchor cable 10 is clamped in intermediate plate, free segment 12 is fixed on the anchor plate of high-strength Protection Pier 60.
In addition, can also data acquisition and emitter 30 be set to the top of high-strength Protection Pier 60, and pass through concrete
The methods of casting method fixes piezoelectric type mechanics sensor 20 and data acquisition and emitter 30 so that high-strength Protection Pier 60
It plays a protective role simultaneously to piezoelectric type mechanics sensor 20 and data acquisition and emitter 30.
Data acquire and emitter 30 can acquire the mechanical information that piezoelectric type mechanics sensor 20 measures, and by the information
It is delivered to data sink 40, the information received is sent to Data Analysis Services center 70 by data sink 40, is led to
The processing routine software crossed in private server carries out Automatic analysis, and determines the safe early warning of institute's detection zone
Grade.
Constant resistance and large deformation anchor cable 10 can realize large deformation energy absorption function in the case of certain constant-resistance.Meanwhile
Constant resistance and large deformation anchor cable 10 has negative poisson effect, can have both Mine production monitoring, early warning and strengthening characteristic.Due to casting
Field soil property is soft, which takes following technique in setting:
According to site inspection and potential water use numerical result, the best monitoring point of Mine production mud-rock flow is determined
Position, and determine the drilling depth and the parameters such as inclination angle of monitoring holes, wherein the diameter of monitoring holes is preferablyDepth is preferably 30m~70m.
The preceding sector hole of monitoring holes is formed, the depth of preceding sector hole is 2m, casing using casing drilling 2m in the early period that drills
Using refuse dump rubble collapse hole and plug-hole can be effectively prevent.
After preceding sector hole is formed, high back voltage slip casting is carried out by the bottom hole of preceding sector hole by Grouting Pipe using high-pressure grout injector,
So that slurries is diffused to the crack area of periphery rock mass, form slip casting area, to achieve the purpose that improve loose rock soil capability, so
It is formed first slip casting anchoring body, also referred to as " first segment bead structure ", the formation of the structure has conducive in next step
The progress of boring work.
After slip casting area slurries fully spread, solidify, slip casting area Rock And Soil performance is improved, and no casing methods can be used
Continue to creep into, continue to punch along preceding sector hole in the first beading rock mass after improvement, forms the stage casing of monitoring holes in slip casting area
Hole.First segment bead structure makes in slip casting area punching become very easy, does not need pulp canal drill into and rate of penetration is big
It is big to improve.
First segment bead string body to be drilled through after forming middle hole, stops drilling, continues to pass through note using high-pressure grout injector
It starches pipe and high back voltage slip casting is carried out by middle hole bottom hole, slurries is made to diffuse to neighboring area, the second slip casting area is formed, so with regard to shape
At second slip casting anchoring body, also referred to as " second segment bead structure ".
Second slip casting area slurries fully spread, solidify after, Rock And Soil performance is improved, can be used no casing methods after
Continuous drilling;After drilling a distance is formed after sector hole, stop drilling.If the total depth for being formed by monitoring holes is still not up to wanted
It asks, repeats above-mentioned steps, until the depth of monitoring holes reaches design requirement.
After hole to be monitored is formed, constant resistance and large deformation anchor cable 10 is moved into monitoring holes, as shown in Figure 1, constant resistance and large deformation anchor
The anchoring section 11 of rope 10 is located at bottom hole, and an end of free segment 12 is stretched out outside monitoring holes, piezoelectric type mechanics sensor 20 is set
It is placed in free segment 12 and stretches out the end outside monitoring holes.
High-strength Protection Pier 60 is set in the slope surface 51 of slight slope 50, the end for free segment 12 provides support.Meanwhile it can incite somebody to action
Data acquire and emitter 30 is set on high-strength Protection Pier 60 so that high-strength Protection Pier 60 can be to constant resistance and large deformation anchor cable
10 provide pre-loaded support struts, and can play a protective role to piezoelectric type mechanics sensor 20 and data acquisition and emitter 30.
Data acquire and the effect of emitter 30 is to realize the wireless transmission of 20 data of piezoelectric type mechanics sensor, will
Data are wirelessly transmitted to the Wireless data receiving device 40 far from slight slope 50, the letter that Wireless data receiving device 40 will receive again
Breath is sent to Data Analysis Services center 70 and carries out Automatic analysis, to determine the safe early warning grade in monitored region.
Practice have shown that although above-mentioned monitoring system can be good at realizing its purpose, but site operation quantities is larger,
Not only grouting needs field operation, and high-strength Protection Pier is also required to field operation, especially the high-strength Protection Pier bulky,
Need larger reinforcing bar, cement, furthermore the refuse dump quality of monitoring area is soft, be not only difficult to early period to survey, design it is high-strength anti-
The shape of fender pier, position, and when construction in later period, it is difficult to more construction material will be transported and transported to inclined slight slope.
Invention content
The purpose of this utility model is to provide a kind of debris flow early-warnings to monitor system, to solve height of the existing technology
The problem of strong Protection Pier is difficult to build.
To solve the above-mentioned problems, the utility model provides the following technical solutions:
A kind of debris flow early-warning monitoring system, including constant resistance and large deformation anchor cable, high-strength Protection Pier, wherein described high-strength anti-
Fender pier includes:Pier body, in a ring, center have a through-hole, and the through-hole is fixed in the free end of the constant resistance and large deformation anchor cable
In;Multiple supporting rods, one end are removably attachable on the lateral wall of the pier body, and the other end prolongs on the surface of refuse dump slight slope
It stretches.
Preferably, the lateral wall of the pier body is equipped with multiple connecting poles, and the upper surface of the part connecting pole is equipped with the
The lower surface of one protrusion, the part connecting pole is equipped with the second protrusion, and one end of the supporting rod, which is equipped with, is socketed in described first
Connecting hole in protrusion, the second protrusion.
Preferably, further include fixed link, the supporting rod be equipped with mounting hole, the fixed link pass through the mounting hole it
It is inserted into refuse dump afterwards, to which the supporting rod to be stably placed on the slight slope of refuse dump.
Preferably, it is integrated between the connecting pole and the pier body.
Preferably, one end of the supporting rod is a step, and the connecting hole is set on the step.
Analysis can be completed in precasting yard it is found that high-strength Protection Pier is designed as modular structure by the utility model, showed
Field Assembly interface so that site construction technology greatly simplifies, and the construction time greatly shortens.
Description of the drawings
Fig. 1 is the structural schematic diagram of the debris flow monitoring pre-warning system of the prior art;
Fig. 2 is the overlooking structure diagram of the pier body of the high-strength Protection Pier of the utility model embodiment;
Fig. 3 is the sectional view of A-A along Fig. 2;
Fig. 4 is the cross-sectional view of the supporting rod of the high-strength Protection Pier of the utility model embodiment.
Specific implementation mode
The utility model is described in further details with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2, Figure 3 shows, the high-strength Protection Pier of the utility model embodiment includes pier body 1, multiple supporting rods 42,
After assembly, multiple supporting rods 42 are radial to be connected to around pier body 1.
Specifically, in a ring, center has a through-hole 100, the free end of the constant resistance and large deformation anchor cable of the present embodiment to pier body 1
It is fixed in the through-hole 100.One end of supporting rod 4 is removably attachable on the lateral wall of pier body 1, and the other end is in refuse dump
The surface of slight slope extends, and the octopus for being similar to expansion is the same.
Preferably, the lateral wall of pier body 1 is equipped with multiple connecting poles, such as the connecting pole 2 of the first kind, Second Type
Connecting pole 3, two class connecting pole arranged for interval.It is integration between connecting pole 2, connecting pole 3 and pier body 1 it is highly preferred that such as Fig. 2
Structure.The upper surface of connecting pole 2 is equipped with the first protrusion 21, and the lower surface of connecting pole 3 is equipped with the second protrusion 31, and the one of supporting rod 4
End, which is equipped with, is socketed in the first protrusion 21, the connecting hole 421 in the second protrusion 31.Further, one end of supporting rod 4 is a step
42, connecting hole 421 is set on step 42, and the first protrusion of protrusion 21, second 31 is inserted into after connecting hole 421, step 42 with connect
The thickness that column 2, connecting pole 3 fit together is approximately equal to the thickness of pier body 1.
In order to which more stably supporting rod is fixed on the slight slope of refuse dump, the high-strength Protection Pier of the present embodiment further includes solid
Fixed pole (not shown), fixed link are exactly a rod-shaped armored concrete stock object, and supporting rod 4 is equipped with mounting hole 41, Gu
Fixed pole is inserted into after passing through mounting hole 41 in refuse dump, to which supporting rod 4 to be stably placed on the slight slope of refuse dump.
In application, the pier body 1 that has been prefabricated in the factory first, supporting rod 4, fixed link etc., transport to construction site.Will with connect
The part supporting rod 4 that column 3 is correspondingly connected with is laid on precalculated position, then transports pier body 1, and the second protrusion 31 on connecting pole 3 is inserted into
The connecting hole 421 of supporting rod 4.Then, the first protrusion 21 connecting hole 421 of remaining supporting rod 4 being set on connecting pole 2
On.It is inserted into the mounting hole 41 of all supporting rods 4 with fixed link again, pier body 1 is securely fixed.Finally, by constant resistance and large deformation anchor
The free segment outer end of rope is fixed in through-hole 100.
To sum up, the utility model can site operation, be not necessarily to the high-strength Protection Pier of cast-in-site, improved efficiency, technique simplify,
Wide adaptation range.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered are all merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (5)
1. a kind of debris flow early-warning monitors system, including constant resistance and large deformation anchor cable, high-strength Protection Pier, which is characterized in that the height
Protection Pier includes by force:
Pier body, in a ring, center have a through-hole, and the free end of the constant resistance and large deformation anchor cable is fixed in the through-hole;
Multiple supporting rods, one end are removably attachable on the lateral wall of the pier body, and the other end is on the surface of refuse dump slight slope
Extend.
2. debris flow early-warning according to claim 1 monitors system, which is characterized in that the lateral wall of the pier body is equipped with
The upper surface of multiple connecting poles, the part connecting pole is equipped with the first protrusion, and the lower surface of the part connecting pole is equipped with second
Protrusion, one end of the supporting rod, which is equipped with, is socketed in first protrusion, the connecting hole in the second protrusion.
3. debris flow early-warning according to claim 1 monitors system, which is characterized in that further include fixed link, the support
Bar is equipped with mounting hole, and the fixed link is inserted into after passing through the mounting hole in refuse dump, to stablize the supporting rod
Ground is arranged on the slight slope of refuse dump.
4. debris flow early-warning according to claim 2 monitors system, which is characterized in that the connecting pole and the pier body it
Between be integrated.
5. debris flow early-warning according to claim 2 monitors system, which is characterized in that one end of the supporting rod is one
Rank, the connecting hole are set on the step.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721616241.4U CN207703246U (en) | 2017-11-28 | 2017-11-28 | Debris flow early-warning monitors system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721616241.4U CN207703246U (en) | 2017-11-28 | 2017-11-28 | Debris flow early-warning monitors system |
Publications (1)
Publication Number | Publication Date |
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CN207703246U true CN207703246U (en) | 2018-08-07 |
Family
ID=63023825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721616241.4U Active CN207703246U (en) | 2017-11-28 | 2017-11-28 | Debris flow early-warning monitors system |
Country Status (1)
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CN (1) | CN207703246U (en) |
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2017
- 2017-11-28 CN CN201721616241.4U patent/CN207703246U/en active Active
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