CN115116201B - Rainfall infiltration intelligent early warning platform based on debris flow high-rise area - Google Patents
Rainfall infiltration intelligent early warning platform based on debris flow high-rise area Download PDFInfo
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- CN115116201B CN115116201B CN202211036834.9A CN202211036834A CN115116201B CN 115116201 B CN115116201 B CN 115116201B CN 202211036834 A CN202211036834 A CN 202211036834A CN 115116201 B CN115116201 B CN 115116201B
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- 238000001764 infiltration Methods 0.000 title claims abstract description 88
- 230000008595 infiltration Effects 0.000 title claims abstract description 88
- 239000002689 soil Substances 0.000 claims abstract description 157
- 239000012528 membrane Substances 0.000 claims abstract description 37
- 239000011435 rock Substances 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005325 percolation Methods 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 34
- 229920006395 saturated elastomer Polymers 0.000 abstract description 20
- 238000001514 detection method Methods 0.000 abstract description 18
- 230000003204 osmotic effect Effects 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 4
- 230000008961 swelling Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 210000000476 body water Anatomy 0.000 abstract 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 48
- 238000001125 extrusion Methods 0.000 description 19
- 238000007789 sealing Methods 0.000 description 13
- 238000012544 monitoring process Methods 0.000 description 10
- 230000009471 action Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 7
- 238000005070 sampling Methods 0.000 description 6
- 239000012466 permeate Substances 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/022—Investigation of foundation soil in situ before construction work by investigating mechanical properties of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
- E02D1/02—Investigation of foundation soil in situ before construction work
- E02D1/027—Investigation of foundation soil in situ before construction work by investigating properties relating to fluids in the soil, e.g. pore-water pressure, permeability
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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- General Life Sciences & Earth Sciences (AREA)
- Emergency Management (AREA)
- Paleontology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Business, Economics & Management (AREA)
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Abstract
The application provides an intelligent early warning platform based on rainfall infiltration in debris flow high-rise area belongs to debris flow early warning technical field, and this intelligent early warning platform based on rainfall infiltration in debris flow high-rise area includes ground osmotic pressure subassembly and secret seepage flow subassembly. The soil body carries out the infiltration exchange through permeable pores and permeable membrane, when rainfall infiltration takes place in the mud-rock flow high-rise region, each layer soil body water content is in among the saturated unsaturated dynamic change, the wet swelling and drying shrinkage of the soil body can lead to soil body density to change, under the pressure sensing spring effect, the elastic plate continues to rotate the soft change of laminating deep pit annular inner wall adaptation ground, pressure sensor gathers the pressure data change that pressure sensing spring transmitted, saturated moisture in the soil body is detected through permeable membrane infiltration seepage flow case, dynamic internal stress detection and soil body water content dynamic detection data collection through soil body volume change, establish mud-rock flow rainfall development model, the accurate intelligent early warning to the mud-rock flow outbreak that strong infiltration caused.
Description
Technical Field
The application relates to the technical field of debris flow early warning, in particular to a rainfall infiltration intelligent early warning platform based on a debris flow high-incidence area.
Background
The soil body in the high-rise region of the debris flow has both a saturated state and an unsaturated state under natural conditions. The water level below the ground is saturated and the water level above the ground is unsaturated. At the unsaturated soil body part, the effective stress of the soil body is improved due to the action of the suction force of the matrix, so that the strength of the soil body is improved. The water content of the soil body is greatly influenced by rainfall in the nature, and the wet expansion and dry shrinkage deformation of the soil body is a main failure mechanism of the debris flow side slope. During rainfall, rainwater infiltrates into a soil body to a certain depth, the water content of a surface soil body is large, the volume increment is large, the infiltration amount of the lower soil body is small, the volume increment is small, and the difference of the volume increment directly causes the generation of cracks. Repeated dry-wet circulation enables cracks among soil bodies of all layers to develop continuously, cohesive force and friction angles are attenuated to a certain degree, shearing strength is directly reduced, and slip of debris flow slopes is caused.
However, the influence of rainfall infiltration in a debris flow high-rise area on soil is a long-term change process, the water content of each layer of soil is in saturated and unsaturated dynamic change, and the volume change of each layer of soil can cause the generation of soil internal stress. The existing rainfall infiltration detection device is difficult to carry out data sampling on the dynamic soil stress change and the dynamic soil fracture change caused by the long-term rainfall infiltration, and is difficult to accurately predict the generation of debris flow in time.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides an intelligent early warning platform based on rainfall infiltration in a debris flow high-rise area. And (3) carrying out observation data sampling on dynamic stress changes in the rock soil among all layers of rock soil, and carrying out observation data sampling on water saturation changes in the soil layers.
The application is realized as follows:
the application provides a rainfall infiltration intelligent early warning platform based on debris flow high-rise area includes ground infiltration pressure subassembly and secret seepage flow subassembly.
Ground osmotic pressure subassembly includes stake core ring, pressure cylinder, pressure frame, elastic plate, pressure sensor and pressure sensing spring, pressure cylinder body evenly set up in on the stake core ring, the pressure frame set up in pressure cylinder piston rod one end, elastic plate one end rotate connect in on the pressure frame, pressure sensor set up in on the pressure frame, pressure sensing spring both ends laminate respectively in the elastic plate surface with the pressure sensor surface, pressure sensing spring cup joint in the elastic plate with between the pressure sensor, the underground osmotic pressure subassembly includes soil core tubular pile, plunger barrel frame, seepage case, cavity membrane frame, station valve and fender mud cover, soil core tubular pile intercommunication set up in between the stake core ring, the plunger barrel frame evenly set up in soil core tubular pile week side, the seepage case set up in plunger barrel frame one end, cavity membrane frame intercommunication set up in on the seepage case, station valve intercommunication set up in on the seepage case, keep off the mud cover set up in between the seepage case, the elastic plate run through in keep off the mud cover surface.
In an embodiment of the present application, a first clip column is disposed on the elastic plate, a second clip column is disposed on the pressure sensor, and the pressure sensing spring is sleeved on the surface of the first clip column and the surface of the second clip column.
In one embodiment of the present application, the cylinder body is provided with a mounting seat fixed to the side of the pile core ring.
In an embodiment of the application, a sliding seat is arranged at one end of a piston rod of the pressure cylinder, the sliding seat is fixed on the pressure frame, a sliding rail is arranged on the pressure cylinder, and the sliding seat slides on the surface of the sliding rail.
In an embodiment of this application, soil core tubular pile week side is provided with the cassette, the plunger barrel holder set up in the cassette.
In an embodiment of the present application, a flange plate is fixedly sleeved at one end of the plunger barrel holder, and the flange plate is fixed on the seepage box.
In one embodiment of the application, the seepage box is uniformly provided with rib plates, and a temperature sensor is arranged between the rib plates.
In an embodiment of the application, a water permeable film cavity is arranged in the hollow film frame, and water permeable holes are uniformly formed in the surface of the hollow film frame.
In an embodiment of the application, a connecting plate is arranged on the periphery of the mud guard and fixed on the seepage box.
In an embodiment of the application, a pressure sensing groove is formed in the surface of the mud guard, and the elastic plate penetrates through the pressure sensing groove.
In an embodiment of the application, the rainfall infiltration intelligent early warning platform based on the debris flow high-rise area further comprises a runoff early warning assembly and a rainfall infiltration assembly.
The runoff early warning assembly comprises a station spring, a plunger rod, an expansion sponge, an extrusion frame, a valve position rod and a flowmeter, the station spring is arranged in the plunger barrel frame in a penetrating mode, the plunger rod penetrates the plunger barrel frame in a sliding mode, the station spring is attached to the surface of the plunger rod, the expansion sponge and the extrusion frame are both arranged in the seepage box, the extrusion frame is arranged at one end of the plunger rod, the extrusion frame faces the expansion sponge, the expansion sponge faces the hollow membrane frame, one end of the valve position rod penetrates the station valve in a sliding mode, the other end of the plunger rod penetrates the other end of the valve position rod, the flowmeter evenly set up in on the infiltration case, the flowmeter communicate respectively in station valve and outside pipeline, the rainfall infiltration subassembly includes that the pile top seals platform, rain cover, pile root tubular pile, pile end and seals platform and conductivity sensor down, the pile top seals platform peg graft and communicates in the pile core intra-annular, rain cover that gathers communicate in the pile top seals bench, pile root tubular pile upper end peg graft connect in the pile core intra-annular, the pile end seal platform is fixed cup joint in pile root tubular pile surface, conductivity sensor evenly set up in soil core tubular pile week side, conductivity sensor orientation in the soil core tubular pile.
In an embodiment of this application, the plunger barrel holder other end is provided with the limiting plate, the station spring laminate in limiting plate surface, the plunger rod other end is provided with the sliding sleeve, the station spring laminate in the sliding sleeve surface.
In an embodiment of this application, the valve position pole other end is provided with inserts the cap, the fixed connecting rod that has cup jointed of sliding sleeve, the connecting rod peg graft in insert in the cap.
In an embodiment of this application, evenly be provided with anti-adhesion strip in the seepage flow box, the extrusion frame run through in between the anti-adhesion strip, the extrusion frame surface evenly is provided with the discharge orifice.
In an embodiment of this application, be provided with the connecting seat on the soil core tubular pile, conductivity sensor set up in the connecting seat, be provided with in the pile bolck seals the platform and inserts the platform, insert the platform peg graft in the pile core intra-annular.
The beneficial effect of this application is: this application obtains through above-mentioned design based on mud-rock flow high-rise region rainfall infiltration intelligent early warning platform, during the use, selects to excavate the pit annular at mud-rock flow high-rise region fixed point, and pit annular center remains original soil core, constitutes hollow pile with multiunit stake core ring and soil core tubular pile butt joint, embolias original soil core surface with hollow pile, squeezes into in the pit annular together with early warning detection device. The inner wall and the outer wall of the deep pit annular groove are provided with assembly gaps with the hollow pile column and the early warning detection device, after the hollow pile column is in place, the soil core in the hollow pile column is filled in due to expansion of the soil core, the soil core is filled in the inner wall of the hollow pile column, and after the deep pit annular groove is backfilled, the soil core is filled in due to the fact that the soil body is attached to the surface of the hollow membrane frame and the surface of the mud blocking cover of the soil body attaching device, and the intelligent early warning platform is buried. After the pit ring groove is filled with soil, a cavitation phenomenon exists. The fine-tuning pressure cylinder controls the radial displacement of each elastic plate, the elastic plates rotate to be attached to the inner wall of the pit groove under the action of the pressure sensing spring, meanwhile, the pressure sensing spring maintains certain pressure on the pressure sensor, and the pressure value of each detection point of the device in the pit groove is kept to be initially unified. The cavity sets up the permeable membrane in the hollow membrane frame, extrudees the protection to it, and the soil body is through permeating water the hole and permeating water the membrane and exchanging.
When rainfall infiltration occurs in a debris flow high-incidence area, the water content of each layer of soil body is in saturated unsaturated dynamic change, the wet expansion and dry shrinkage of the soil body can cause the density of the soil body to change, under the action of the pressure sensing spring, the elastic plate continues to rotate and adhere to the inner wall of the deep pit ring groove to adapt to the soft change of rock soil, the pressure sensor collects the pressure data change transmitted by the pressure sensing spring, the saturated water in the soil body is detected through the permeable membrane infiltration seepage box, a debris flow development model is established through dynamic internal stress detection of the volume change of the soil body and dynamic detection data collection of the water content of the soil body, and intelligent early warning is accurately carried out on debris flow outbreak caused by strong rainfall infiltration.
Drawings
In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic perspective view of an intelligent early warning platform for rainfall infiltration in a high-rise area based on debris flow according to an embodiment of the present application;
fig. 2 is a schematic perspective view of a rock-soil infiltration assembly provided in an embodiment of the present application;
fig. 3 is a partial perspective view illustrating a rock-soil infiltration assembly according to an embodiment of the present disclosure;
FIG. 4 is a schematic perspective view of an underground seepage assembly provided by an embodiment of the present application;
fig. 5 is a schematic perspective view of a runoff warning assembly provided in an embodiment of the present application;
fig. 6 is a schematic partial perspective view of a runoff warning assembly provided in an embodiment of the present application;
fig. 7 is a schematic perspective view of a rainfall infiltration assembly according to an embodiment of the present disclosure.
In the figure: 100-a rock-soil osmotic pressure component; 110-a core ring; 120-pressure cylinder; 121-a mounting seat; 122-a slide; 123-sliding rails; 130-a pressure frame; 140-a spring plate; 141-a first catch; 151-second clip column; 150-a pressure sensor; 160-a pressure-sensitive spring; 300-an underground seepage assembly; 310-soil core pipe pile; 311-card seat; 312-a connecting seat; 320-plunger barrel holder; 321-a flange plate; 322-a limiting plate; 330-seepage box; 331-rib plate; 332-a temperature sensor; 333-anti-sticking strip; 340-hollow membrane frame; 341-water permeable membrane chamber; 342-water permeable pores; 350-a station valve; 360-a mud guard; 361-connecting plate; 362-pressure-sensitive tank; 500-runoff warning assembly; 510-a station spring; 520-a plunger rod; 521-a sliding sleeve; 522-connecting rod; 530-expanding sponge; 540-extruding frame; 541-a drain hole; 550-a valve position rod; 551-inserting cap; 560-a flow meter; 700-a rainfall infiltration assembly; 710-pile top sealing station; 711-inserting the table; 720-rain-collecting cover; 730-pile root pipe pile; 740-pile bottom sealing table; 750-conductivity sensor.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
As shown in fig. 1 to 7, the rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to the embodiment of the present application includes a geotechnical infiltration component 100, an underground infiltration component 300, a runoff early warning component 500 and a rainfall infiltration component 700. The rainfall infiltration assemblies 700 are arranged between the geotechnical infiltration assemblies 100, the underground infiltration assemblies 300 are arranged between the rainfall infiltration assemblies 700, and the runoff early warning assemblies 500 are arranged on the peripheral sides of the underground infiltration assemblies 300 and the peripheral sides of the underground infiltration assemblies 300. The rock-soil osmotic pressure assembly 100 is used for carrying out observation data sampling on internal dynamic stress changes of rock-soil among all layers of rock-soil; the underground seepage assembly 300 samples observation data of the change of the water saturation inside the soil layer; the runoff early warning assembly 500 is used for carrying out observation data sampling on the runoff direction and the water amount of underground fractures in the peripheral area caused by heavy rainfall infiltration; rainfall infiltration assembly 700 samples observation data for infiltration rates and depths caused by heavy rainfall.
As shown in fig. 2-7, the influence of rainfall infiltration in a high-rise region of debris flow on the soil is a long-term change process, the water content of each layer of soil is in saturated and unsaturated dynamic change, and the volume change of each layer of soil can cause the generation of internal stress in the soil. The existing rainfall infiltration detection device is difficult to carry out data sampling on dynamic soil stress change and soil fracture dynamic change caused by long-term rainfall infiltration, and is difficult to accurately predict the generation of debris flow in time.
The earth-penetrating assembly 100 includes a core ring 110, a pressure cylinder 120, a pressure frame 130, an elastic plate 140, a pressure sensor 150, and a pressure sensing spring 160. The cylinder body of the pressure cylinder 120 is uniformly arranged on the pile core ring 110, the cylinder body of the pressure cylinder 120 is provided with a mounting seat 121, and the mounting seat 121 is connected with the pressure cylinder 120 through bolts. The mounting seat 121 is fixed to the periphery of the pile core ring 110, and the mounting seat 121 is welded to the pile core ring 110. The pressure frame 130 is disposed at one end of a piston rod of the pressure cylinder 120, a sliding seat 122 is disposed at one end of the piston rod of the pressure cylinder 120, and the sliding seat 122 is in threaded connection with the pressure cylinder 120. The sliding base 122 is fixed on the pressure frame 130, and the sliding base 122 is connected with the pressure frame 130 through bolts. The pressure cylinder 120 is provided with a slide rail 123, the slide rail 123 is connected with the pressure cylinder 120 through bolts, and the slide base 122 slides on the surface of the slide rail 123, so that the transmission precision is increased. One end of the elastic plate 140 is rotatably connected to the pressure frame 130, and the elastic plate 140 is hinged to the pressure frame 130. The pressure sensor 150 is disposed on the pressure frame 130, and the pressure sensor 150 is bolted to the pressure frame 130.
Wherein, two ends of the pressure sensing spring 160 are respectively attached to the surface of the elastic plate 140 and the surface of the pressure sensor 150. The pressure sensing spring 160 is sleeved between the elastic plate 140 and the pressure sensor 150, the elastic plate 140 is provided with a first clamping column 141, and the first clamping column 141 is connected with the elastic plate 140 through a bolt. The pressure sensor 150 is provided with a second clamping column 151, and the pressure sensor 150 is connected with the second clamping column 151 through a bolt. The pressure-sensing spring 160 is sleeved on the surfaces of the first and second clamping posts 141 and 151.
The subsurface flow filtration assembly 300 comprises a soil core pipe pile 310, a plunger barrel holder 320, a flow filtration box 330, a hollow membrane holder 340, a station valve 350 and a mud guard 360. The soil core tubular pile 310 is communicated and arranged between the pile core rings 110, and the pile core rings 110 are sleeved with the soil core tubular pile 310 and fixed through bolts. Plunger barrel holder 320 evenly sets up in soil core tubular pile 310 week side, and soil core tubular pile 310 week side is provided with cassette 311, and cassette 311 welds with soil core tubular pile 310. The plunger barrel holder 320 is disposed in the clamping seat 311, and the plunger barrel holder 320 is bolted to the clamping seat 311. The seepage box 330 is arranged at one end of the plunger barrel holder 320, a flange plate 321 is fixedly sleeved at one end of the plunger barrel holder 320, and the flange plate 321 is welded with the plunger barrel holder 320. The flange plate 321 is fixed on the seepage box 330, and the flange plate 321 is connected with the seepage box 330 through bolts. Ribs 331 are uniformly arranged on the seepage box 330, and the ribs 331 are welded with the seepage box 330 to increase the supporting strength of the seepage box 330. Temperature sensors 332 are arranged between the rib plates 331, and the temperature sensors 332 are in bolt connection with the rib plates 331. The subsurface temperature is monitored.
Wherein, the hollow membrane frame 340 is communicated with the seepage box 330, and the hollow membrane frame 340 is connected with the seepage box 330 by bolts. Be provided with the membrane chamber 341 that permeates water in the cavity membrane frame 340, the installation of the membrane of conveniently permeating water, the hole 342 of permeating water has evenly been seted up on cavity membrane frame 340 surface, makes things convenient for the infiltration of soil body moisture. The station valve 350 is communicated with the seepage box 330, and the station valve 350 is connected with the seepage box 330 through bolts. The mud guard 360 is arranged between the seepage box 330, the peripheral side of the mud guard 360 is provided with a connecting plate 361, and the connecting plate 361 is welded with the mud guard 360.
The connecting plate 361 is fixed on the seepage box 330, and the connecting plate 361 is connected with the seepage box 330 through bolts. The elastic plate 140 penetrates through the surface of the mud guard cover 360, the pressure sensing groove 362 is formed in the surface of the mud guard cover 360, and the elastic plate 140 penetrates through the pressure sensing groove 362.
A pit ring groove is excavated at a fixed point in a debris flow high-incidence area, the original soil core is reserved in the center of the pit ring groove, a plurality of groups of pile core rings 110 and soil core pipe piles 310 are butted to form a hollow pile, the hollow pile is sleeved on the surface of the original soil core, and the hollow pile and an early warning detection device are driven into the pit ring groove. And after the pit annular groove is backfilled, the soil body is filled tightly with the inner wall of the hollow pile, and the soil body is attached to the surfaces of the hollow film frame 340 and the mud guard cover 360 to complete the landfill of the intelligent early warning platform. After the pit ring groove is filled with soil, a cavitation phenomenon exists. The fine tuning cylinder 120 controls the radial displacement of each elastic plate 140, the elastic plates 140 rotate to fit the inner wall of the pit slot under the action of the pressure sensing spring 160, and meanwhile, the pressure sensing spring 160 maintains a certain pressure on the pressure sensor 150, so that the pressure values of all detection points of the device in the pit slot are initially unified. The inner cavity of the hollow membrane frame 340 is provided with a permeable membrane for extrusion protection, and the soil body is subjected to water seepage exchange with the permeable membrane through the permeable holes 342.
When rainfall infiltration occurs in a debris flow high-incidence area, the water content of each layer of soil body is in the saturated and unsaturated dynamic change, the density of the soil body can be changed due to the fact that the soil body is subjected to wet expansion and dry shrinkage, under the action of the pressure sensing spring 160, the elastic plate 140 continues to rotate and adhere to the inner wall of the deep pit ring groove to adapt to the soft change of rock soil, the pressure sensor 150 collects the pressure data change transmitted by the pressure sensing spring 160, the saturated water in the soil body is detected through the permeable membrane infiltration seepage box 330, a debris flow development model is established through dynamic internal stress detection of the volume change of the soil body and dynamic detection data collection of the water content of the soil body, and intelligent early warning is accurately carried out on debris flow outbreak caused by the infiltration of strong rainfall.
The flow early warning assembly 500 includes a station spring 510, a plunger rod 520, an expansion sponge 530, a squeezing rack 540, a valve station rod 550 and a flow meter 560. The station spring 510 is disposed through the plunger barrel holder 320. The plunger rod 520 is slidably inserted through the plunger barrel holder 320, and a piston is fixedly sleeved on the surface of the plunger rod 520 and slidably inserted through the plunger barrel holder 320. The station spring 510 is attached to the surface of the plunger rod 520, the other end of the plunger rod 520 is provided with a sliding sleeve 521, the sliding sleeve 521 is in threaded connection with the plunger rod 520, and the station spring 510 is attached to the surface of the sliding sleeve 521. The other end of the plunger barrel holder 320 is provided with a limiting plate 322, the plunger barrel holder 320 is in threaded connection with the limiting plate 322, and the station spring 510 is attached to the surface of the limiting plate 322. The expansion sponge 530 and the extrusion frame 540 are both arranged in the infiltration tank 330, the extrusion frame 540 is arranged at one end of the plunger rod 520, and the extrusion frame 540 is in threaded connection with the plunger rod 520. The extrusion frame 540 faces the expansion sponge 530, the expansion sponge 530 faces the hollow membrane frame 340, and one end of the valve position rod 550 penetrates through the station valve 350 in a sliding mode.
The other end of the plunger rod 520 penetrates the other end of the valve position rod 550, the other end of the valve position rod 550 is provided with an insertion cap 551, and the insertion cap 551 is in threaded connection with the valve position rod 550. The sliding sleeve 521 is fixedly sleeved with a connecting rod 522, the connecting rod 522 is in threaded connection with the sliding sleeve 521, and the connecting rod 522 is inserted in the inserting cap 551 and particularly controls the passage of the station valve 350 through the sliding position of the plunger rod 520. The flow meters 560 are uniformly arranged on the seepage box 330, and the flow meters 560 are screwed with the seepage box 330. The flow meter 560 communicates with the station valve 350 and the external piping, respectively. The seepage box 330 is internally and uniformly provided with anti-sticking strips 333, the anti-sticking strips 333 are in threaded connection with the seepage box 330, the adhesion between the expansion sponge 530 and the inner wall of the seepage box 330 is reduced, the extrusion frame 540 penetrates through the anti-sticking strips 333, the surface of the extrusion frame 540 is uniformly provided with drainage holes 541, and the sponge is extruded to drain water.
Infiltration of strong rainfall infiltration to soil bodies in debris flow high-rise areas can cause difference of water content of surface soil layers and water content of lower soil bodies. Due to the change of the difference of the volume increment of the upper and lower soil layers, the ground bulges and the underground crack runoff occurs, and the underground runoff can accelerate the separation of the soil layers and reduce the strength of the soil body, thereby causing the debris flow. The existing early warning device can only monitor surface runoff, and the reduction of the shearing strength of soil bodies caused by the subsurface runoff is difficult to monitor.
When the soil body has crack runoff caused by heavy rainfall infiltration, the elastic plate 140 at the crack runoff is lack of extrusion on one side of the soil body, the pressure sensing spring 160 is in an uncompressed state, the pressure sensor 150 carries out data marking on the pressed point, moisture in the crack runoff and soil body saturated moisture permeate into the seepage box 330 through the permeable membrane, and the expansion sponge 530 absorbs the moisture expansion of the seepage box 330. When the normal soil body is saturated and seeped, the water absorption of the expansion sponge 530 is limited, the plunger rod 520 drives the extrusion frame 540 to extrude the expansion sponge 530 under the action of the station spring 510, meanwhile, the valve position rod 550 is driven to slide to one path of the station valve 350, the flow meter 560 is communicated with the station valve 350 to monitor the flow of the saturated water, and is communicated with an external pipeline to analyze the soil layer sample components. When the crack runoff is detected, the expansion sponge 530 continuously absorbs water and extrudes the extrusion frame 540, the plunger rod 520 extrudes the station spring 510 to maintain new balance, the valve station rod 550 is driven to slide to the other path of the station valve 350, the flowmeter 560 is communicated with the station valve 350 to perform analysis data acquisition on the crack runoff, the direction and the flow of the crack runoff of the underground soil layer are accurately monitored, and intelligent early warning is accurately performed on the destructiveness of the earth volume of the mud-rock flow starting by matching with the height monitoring of the surface soil layer.
The high-incidence area of the debris flow is mostly positioned in a side slope area, a soil body can be influenced not only by the infiltration of strong rainfall, but also by an underground water system of the side slope, and the data modeling of the rainfall infiltration of the actual high-incidence area of the debris flow is difficult to directly monitor the rainfall and the rainfall intensity.
The pile root tubular pile 730 is driven into the debris flow slope slide bed to stabilize the whole device, the pile bottom sealing platform 740 and the pile top sealing platform 710 seal the device, the pile core ring 110 and the soil core tubular pile 310 are matched to be in butt joint to form a hollow pile, the whole device is buried into the slope soil layer, and the original soil core is reserved. When rainfall occurs in the debris flow high-rise area, the rainfall is collected and permeates into the soil core through the rain collecting cover 720, the pile root pipe pile 730 is provided with a device which is convenient for draining rainfall infiltration water in a hollow mode, the influence of external underground water system change on soil rainfall infiltration is isolated by the pile core ring 110 and the soil core pipe pile 310, the depth and the speed of rainfall infiltration are monitored through the conductivity sensor 750, the soil pressure monitoring, the soil saturated water monitoring and the crack runoff monitoring are matched, debris flow geological environment data are increased, debris flow side slope geological conditions are more accurately modeled, the debris flow starting reason in the debris flow high-rise area is comprehensively researched, the automation degree is high, the rainfall infiltration monitoring precision in the debris flow high-rise area is high, and the early warning effect of the debris flow high-rise area is good.
Specifically, this based on mud-rock flow high-rise area rainfall infiltration intelligent early warning platform's theory of operation: a pit ring groove is excavated at a fixed point in a debris flow high-incidence area, the original soil core is reserved in the center of the pit ring groove, a plurality of groups of pile core rings 110 and soil core pipe piles 310 are butted to form a hollow pile, the hollow pile is sleeved on the surface of the original soil core, and the hollow pile and an early warning detection device are driven into the pit ring groove. The inner wall and the outer wall of the deep pit annular groove are provided with assembly gaps with the hollow pile column and the early warning detection device, after the hollow pile column is in place, the soil core in the hollow pile column is filled in a swelling manner, the inner wall of the hollow pile column is filled in the swelling manner, the deep pit annular groove is filled in a swelling manner, the surface of the hollow membrane frame 340 and the surface of the mud blocking cover 360 of the soil body laminating device are filled, and the intelligent early warning platform is filled. After the pit ring groove is filled with soil, a cavitation phenomenon exists. The fine tuning cylinder 120 controls the radial displacement of each elastic plate 140, the elastic plates 140 rotate to fit the inner wall of the pit slot under the action of the pressure sensing spring 160, and meanwhile, the pressure sensing spring 160 maintains a certain pressure on the pressure sensor 150, so that the pressure values of all detection points of the device in the pit slot are initially unified. The cavity sets up the permeable membrane in hollow membrane frame 340, extrudes it and protects, and the soil body is through permeating water hole 342 and permeating water the membrane and exchanging.
When rainfall infiltration occurs in a debris flow high-incidence area, the water content of each layer of soil body is in saturated and unsaturated dynamic change, the wet expansion and dry shrinkage of the soil body can cause the density of the soil body to change, under the action of the pressure sensing spring 160, the elastic plate 140 continues to rotate and adhere to the inner wall of the pit ring groove to adapt to the soft change of rock soil, the pressure sensor 150 collects the pressure data change transmitted by the pressure sensing spring 160, the saturated moisture in the soil body is detected by permeating the seepage box 330 through the permeable membrane, the debris flow development model is established through dynamic internal stress detection of volume change of the soil body and dynamic detection data collection of the water content of the soil body, and intelligent early warning is accurately carried out on debris flow outbreak caused by the infiltration of strong rainfall.
Further, infiltration of strong rainfall infiltration in a debris flow high-rise area to a soil body can cause difference between the water content of a surface soil layer and the water content of a lower soil body. Due to the change of the difference of the volume increment of the upper and lower soil layers, the ground is raised, the phenomenon of crack runoff appears underground, and the underground runoff can accelerate the separation of the soil layers and reduce the strength of the soil body, thereby causing the debris flow. The existing early warning device can only monitor surface runoff, and the reduction of the shearing strength of soil bodies caused by the subsurface runoff is difficult to monitor.
When the soil body has crack runoff caused by heavy rainfall infiltration, the elastic plate 140 at the crack runoff is lack of extrusion on one side of the soil body, the pressure sensing spring 160 is in an uncompressed state, the pressure sensor 150 carries out data marking on the pressed point, moisture in the crack runoff and soil body saturated moisture permeate into the seepage box 330 through the permeable membrane, and the expansion sponge 530 absorbs the moisture expansion of the seepage box 330. When the soil body is saturated and seeped, the water absorption of the expansion sponge 530 is limited, the plunger rod 520 drives the extrusion frame 540 to extrude the expansion sponge 530 under the action of the station spring 510, the valve station rod 550 is driven to slide to one path of the station valve 350, and the flowmeter 560 is communicated with the station valve 350 to monitor the flow of the saturated water and is communicated with an external pipeline to analyze the composition of the soil layer sample. When the crack runoff is detected, the expansion sponge 530 continuously absorbs water and extrudes the extrusion frame 540, the plunger rod 520 extrudes the station spring 510 to maintain new balance, the valve station rod 550 is driven to slide to the other path of the station valve 350, the flowmeter 560 is communicated with the station valve 350 to perform analysis data acquisition on the crack runoff, the direction and the flow of the crack runoff of the underground soil layer are accurately monitored, and intelligent early warning is accurately performed on the destructiveness of the earth volume of the mud-rock flow starting by matching with the height monitoring of the surface soil layer.
In addition, the high-incidence area of the debris flow is mostly in a side slope area, the soil body can be influenced not only by the infiltration of strong rainfall, but also by the underground water system of the side slope, and the data modeling of the actual rainfall infiltration of the high-incidence area of the debris flow is difficult to directly monitor the rainfall capacity and the rainfall intensity.
The pile root tubular pile 730 is driven into the debris flow slope slide bed to stabilize the whole device, the pile bottom sealing platform 740 and the pile top sealing platform 710 seal the device, the pile core ring 110 and the soil core tubular pile 310 are matched to be in butt joint to form a hollow pile, the whole device is buried into the slope soil layer, and the original soil core is reserved. When rainfall occurs in a debris flow highly-occurring area, the rainfall is collected and permeates into a soil core through the rain collecting cover 720, the pile root pipe pile 730 is hollow and is provided with a device facilitating drainage of rainfall infiltration water, the influence of external underground water system change on soil rainfall infiltration is isolated by the pile core ring 110 and the soil core pipe pile 310, the depth and the speed of rainfall infiltration are monitored through the conductivity sensor 750, and the debris flow highly-occurring area debris flow starting reason is comprehensively researched by matching with the soil pressure monitoring, the soil saturated water monitoring and the crack runoff monitoring, so that debris flow geological environment data are increased, debris flow slope geological conditions are more accurately modeled, the automation degree is high, the rainfall infiltration monitoring precision of the debris flow highly-occurring area is high, and the early warning effect of the debris flow highly-occurring area is good.
It should be noted that the specific model specifications of the pressure cylinder 120, the pressure sensor 150, the temperature sensor 332, the flow meter 560 and the conductivity sensor 750 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply and the principle of the pressure cylinder 120, the pressure sensor 150, the temperature sensor 332, the flow meter 560 and the conductivity sensor 750 are clear to a person skilled in the art and will not be described in detail here.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. Rainfall infiltration intelligent early warning platform based on debris flow high-rise area, which is characterized by comprising
The rock-soil infiltration assembly (100) comprises a pile core ring (110), a pressure cylinder (120), a pressure frame (130), an elastic plate (140), a pressure sensor (150) and a pressure sensing spring (160), wherein the cylinder body of the pressure cylinder (120) is uniformly arranged on the pile core ring (110), the pressure frame (130) is arranged at one end of a piston rod of the pressure cylinder (120), one end of the elastic plate (140) is rotatably connected to the pressure frame (130), the pressure sensor (150) is arranged on the pressure frame (130), two ends of the pressure sensing spring (160) are respectively attached to the surface of the elastic plate (140) and the surface of the pressure sensor (150), and the pressure sensing spring (160) is sleeved between the elastic plate (140) and the pressure sensor (150);
underground seepage assembly (300), underground seepage assembly (300) includes soil core tubular pile (310), plunger barrel holder (320), seepage case (330), cavity membrane frame (340), station valve (350) and fender mud cover (360), soil core tubular pile (310) intercommunication set up in between pile core ring (110), plunger barrel holder (320) evenly set up in soil core tubular pile (310) week side, seepage case (330) set up in plunger barrel holder (320) one end, cavity membrane frame (340) intercommunication set up in seepage case (330), station valve (350) intercommunication set up in seepage case (330), fender mud cover (360) set up in between seepage case (330), elastic plate (140) run through in fender mud cover (360) surface;
the runoff early warning assembly (500), the runoff early warning assembly (500) comprises a station spring (510), a plunger rod (520), an expansion sponge (530), a squeezing frame (540), a valve position rod (550) and a flow meter (560), the station spring (510) is arranged in the plunger barrel frame (320) in a penetrating mode, the plunger rod (520) penetrates through the plunger barrel frame (320) in a sliding mode, the station spring (510) is attached to the surface of the plunger rod (520), the expansion sponge (530) and the squeezing frame (540) are both arranged in the percolation tank (330), the squeezing frame (540) is arranged at one end of the plunger rod (520), the squeezing frame (540) faces the expansion sponge (530), the expansion sponge (530) faces the hollow membrane frame (340), one end of the valve position rod (550) penetrates through the station valve (350) in a sliding mode, the other end of the plunger rod (520) penetrates through the other end of the valve position rod (550), the flow meter (560) is uniformly arranged on the percolation tank (330), and the station valve (350) and the flow meter (560) is communicated with an external pipeline (350);
rainfall infiltration subassembly (700), rainfall infiltration subassembly (700) seals platform (710), collection rain cover (720), pile root tubular pile (730), pile end platform (740) and conductivity sensor (750) including the pile top, the pile top seal platform (710) peg graft communicate in pile core ring (110), collect rain cover (720) communicate in the pile top seals on platform (710), pile root tubular pile (730) upper end peg graft connect in pile core ring (110), pile end platform (740) is fixed cup joint in pile root tubular pile (730) surface, conductivity sensor (750) evenly set up in soil core tubular pile (310) week side, conductivity sensor (750) orientation in soil core tubular pile (310).
2. The rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to claim 1, wherein a first clamping column (141) is arranged on the elastic plate (140), a second clamping column (151) is arranged on the pressure sensor (150), and the pressure sensing spring (160) is sleeved on the surface of the first clamping column (141) and the surface of the second clamping column (151).
3. The rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to claim 1, wherein the pressure cylinder (120) body is provided with an installation seat (121), and the installation seat (121) is fixed on the periphery of the pile core ring (110).
4. The intelligent early warning platform based on rainfall infiltration in debris flow high-rise area according to claim 1, characterized in that one end of a piston rod of the pressure cylinder (120) is provided with a sliding base (122), the sliding base (122) is fixed on the pressure frame (130), the pressure cylinder (120) is provided with a sliding rail (123), and the sliding base (122) slides on the surface of the sliding rail (123).
5. The rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to claim 1, wherein a clamping seat (311) is arranged on the periphery of the soil core pipe pile (310), and the plunger barrel frame (320) is arranged in the clamping seat (311).
6. The rainfall infiltration intelligent early warning platform based on mud-rock flow high-rise region of claim 1, wherein a flange plate (321) is fixedly sleeved at one end of the plunger barrel rack (320), and the flange plate (321) is fixed on the infiltration tank (330).
7. The rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to claim 1, characterized in that rib plates (331) are uniformly arranged on the infiltration tank (330), and a temperature sensor (332) is arranged between the rib plates (331).
8. The rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to claim 1, wherein a permeable membrane cavity (341) is arranged in the hollow membrane frame (340), and permeable holes (342) are uniformly formed in the surface of the hollow membrane frame (340).
9. The rainfall infiltration intelligent early warning platform based on debris flow high-rise area according to claim 1, characterized in that a connecting plate (361) is arranged on the periphery of the mud guard (360), and the connecting plate (361) is fixed on the infiltration tank (330).
10. The rainfall infiltration intelligent early warning platform based on mud-rock flow high-rise area of claim 1, wherein the surface of the mud guard (360) is provided with a pressure sensing groove (362), and the elastic plate (140) penetrates through the pressure sensing groove (362).
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230791A (en) * | 1998-02-17 | 1999-08-27 | Toshiba Eng Co Ltd | Monitor |
| JP2007026395A (en) * | 2005-07-12 | 2007-02-01 | Yuzo Ogawa | Landslide detecting alarm |
| CN102542731A (en) * | 2010-12-07 | 2012-07-04 | 西安金和光学科技有限公司 | Debris flow earth sound monitoring alarm device |
| CN103197046A (en) * | 2013-04-04 | 2013-07-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring volume water content of debris flow critical soil body and debris flow pre-warning method |
| CN104111091A (en) * | 2014-07-18 | 2014-10-22 | 中国科学院、水利部成都山地灾害与环境研究所 | Debris flow mechanical parameter monitoring system and debris flow early warning system |
| KR101481436B1 (en) * | 2014-03-24 | 2015-01-15 | 한국지질자원연구원 | Apparatus for measuring swelling pressure of clay minerals and System for monitoring landslides behavior using the same |
| CN207115705U (en) * | 2017-08-10 | 2018-03-16 | 周婧丫 | A kind of pressure type debris flow early-warning device |
| JP2022047348A (en) * | 2020-09-11 | 2022-03-24 | 日本信号株式会社 | System for estimating occurrence possibility of landslide disaster at specific point |
-
2022
- 2022-08-29 CN CN202211036834.9A patent/CN115116201B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11230791A (en) * | 1998-02-17 | 1999-08-27 | Toshiba Eng Co Ltd | Monitor |
| JP2007026395A (en) * | 2005-07-12 | 2007-02-01 | Yuzo Ogawa | Landslide detecting alarm |
| CN102542731A (en) * | 2010-12-07 | 2012-07-04 | 西安金和光学科技有限公司 | Debris flow earth sound monitoring alarm device |
| CN103197046A (en) * | 2013-04-04 | 2013-07-10 | 中国科学院、水利部成都山地灾害与环境研究所 | Method for measuring volume water content of debris flow critical soil body and debris flow pre-warning method |
| KR101481436B1 (en) * | 2014-03-24 | 2015-01-15 | 한국지질자원연구원 | Apparatus for measuring swelling pressure of clay minerals and System for monitoring landslides behavior using the same |
| CN104111091A (en) * | 2014-07-18 | 2014-10-22 | 中国科学院、水利部成都山地灾害与环境研究所 | Debris flow mechanical parameter monitoring system and debris flow early warning system |
| CN207115705U (en) * | 2017-08-10 | 2018-03-16 | 周婧丫 | A kind of pressure type debris flow early-warning device |
| JP2022047348A (en) * | 2020-09-11 | 2022-03-24 | 日本信号株式会社 | System for estimating occurrence possibility of landslide disaster at specific point |
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