CN113008513A - Novel indoor model test device for simulating submarine landslide - Google Patents
Novel indoor model test device for simulating submarine landslide Download PDFInfo
- Publication number
- CN113008513A CN113008513A CN202110202274.9A CN202110202274A CN113008513A CN 113008513 A CN113008513 A CN 113008513A CN 202110202274 A CN202110202274 A CN 202110202274A CN 113008513 A CN113008513 A CN 113008513A
- Authority
- CN
- China
- Prior art keywords
- box body
- slope
- soil
- simulating
- landslide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 239000002689 soil Substances 0.000 claims abstract description 48
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000009991 scouring Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000007596 consolidation process Methods 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004062 sedimentation Methods 0.000 abstract description 7
- 230000001808 coupling effect Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The invention discloses a novel indoor model test device for simulating a submarine landslide. The test device can realize the lifting of the box body at any angle within the range of 0-20 degrees through the portal frame lifting device, particularly, the device can excavate soil bodies at different positions through the soil cutting plate with variable length and simulate the scouring phenomenon of slope toe at different degrees; in addition, the hopper filled with the slurry is lifted by the gantry lifting device, the top of the slope is loaded, and landslide caused by rapid deposition can be simulated as well; meanwhile, the device can be adopted, and the stability of the seabed slope under the action of the wave load is simulated and evaluated by combining an indoor water tank test. The test device can simultaneously consider the influence of the coupling effect of slope angle change, slope toe scouring and rapid sedimentation on the seabed landslide.
Description
Technical Field
The invention relates to the field of ocean engineering research, in particular to a novel indoor model test device for simulating submarine landslide.
Background
In the twenty-first century today, human civilization has gained a leap development, and energy, this tactical resource, has played an increasing role in the national economy of every country. As is well known, the reserves of conventional energy sources such as petroleum, natural gas and the like in the ocean are quite abundant, and according to incomplete statistics, the reserves of the ocean petroleum are about 1450 hundred million tons and account for 34 percent of the total reserves of the global petroleum, wherein the ascertained reserves are about 380 hundred million tons; in continental shelf areas only, the current discovery of hydrocarbon-bearing basins has areas of up to 1500 million square kilometers, and over 800 hydrocarbon-bearing basins, over 1600 hydrocarbon fields, and geological reserves of natural gas of up to about 140 billions of cubic meters have been discovered.
China is a large ocean country with a long coastline, and the awareness of ocean resource development and utilization is gradually strengthened. However, due to the large-scale development and utilization of oceans by human beings, the massive construction and use of seabed engineering facilities such as seabed platforms, seabed pipelines, cables and the like, and the drastic change of the environment of the seabed itself caused by external force, the malignant damage events of the seabed itself or seabed structures are increasing, causing a great amount of economic property loss and personal casualties, which makes the research of human beings on the oceanic geological disasters more urgent and more practical, and the importance of understanding the oceanic geological disasters is also becoming more prominent. China is a typical coastal large country, and the offshore area of the east is close to several large earthquake zones of the pacific of the northwest, so that the loss is easily caused by the spread of the submarine earthquake; the south China sea area is located in an intersection zone of a large land slope and a sea chest area, so that the depth of seawater in the area is greatly changed, the geological conditions (multi-sea chest) and water body flow (ocean current) in the area are changed violently, the geological conditions are complex and changeable, and submarine geological disasters are easy to occur. Therefore, great attention should be paid to the research on the submarine geological disaster.
The submarine landslide is a main form in marine geological disasters, a large amount of sediments can be conveyed to a far distance along with the occurrence of the submarine landslide, the conveying process can seriously threaten marine oil and gas engineering facilities and submarine cables, and the submarine landslide is also considered as an important inducing factor causing the distortion failure or the cut-off of submarine oil pipelines; large-scale sea-bottom landslides are also frequently accompanied by very destructive tsunamis; frequent occurrence of the landslide on the sea bottom seriously threatens the life safety of ocean engineering structures and ocean related personnel. Therefore, research on the stability of the submarine slope and the trigger mechanism of the submarine landslide becomes a hot research problem in the field of current marine engineering and marine geological disasters.
However, theoretical analysis and numerical calculation are mostly adopted in the current research, and the influence of the coupling effect of slope angle change, slope toe scouring and rapid sedimentation on the seabed landslide can be rarely considered by the test device at the same time. The invention patent with the application number of CN108894182A provides a landslide triggering device and a landslide triggering method applied to submarine landslide flume test research, but the invention patent only considers the influence of a slope angle on the stability of a slope; the invention patent with application number CN207764186U provides a test device for simulating seabed landslide, which mainly studies the flow-sliding process after landslide triggering, and the triggering factor of the device only considers the influence of a slope angle.
Aiming at the insufficient research on the stability of the submarine slope and the trigger mechanism thereof, the invention provides a test device capable of realizing the simulation of submarine landslide under multiple slope angles and multiple working conditions. And the influence of factors such as toe scouring and rapid sedimentation on the seabed slope can be simulated.
Disclosure of Invention
Aiming at the defects in the prior art, the damage mechanism of the submarine landslide is further explored. The invention provides a set of test device capable of realizing the simulation of seabed landslide under multiple slope angles and multiple working conditions. The device can realize the lifting of the box body at any angle within the range of 0-20 degrees through the portal frame lifting device, particularly, the device can excavate soil bodies at different positions through the variable-length soil cutting plate and simulate the scouring phenomenon of slope toe at different degrees; in addition, the hopper is lifted by the lifting device, the top of the slope is loaded, and landslide caused by rapid deposition can be simulated; meanwhile, the device can be adopted, and the stability of the seabed slope under the action of the wave load is simulated and evaluated by combining an indoor water tank test.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a novel indoor model test device for simulating seabed landslide, which comprises:
the model box comprises a model box main body, a model box main body and a base, wherein the model box main body comprises a box body and a base, and the box body comprises flashboards, side plates and a bottom plate which are positioned at two ends; the top of the box body is a slope, and the front end of the box body is lower than the rear end; the two ends of the box body are also provided with rotating shafts, the rotating shaft at the rear end can enable the box body to simulate multi-angle landslide, and the rotating shaft at the front end is used for lifting the front end of the box body in the soil consolidation process, so that the top of the box body is in a plane state, the box body cannot flow out when the soil body strength is too low, and consolidation can be better completed;
the false slope comprises a front horizontal section connected to the front end of the box body, a slope section connected to the front end of the front horizontal section and a rear horizontal section connected to the rear end of the box body; the slope section is connected with the front horizontal section to achieve the purpose of stabilizing waves; the front horizontal section, the rear horizontal section and the slope section are arranged to stabilize the waveform, so that the wave reaches a stable state before ascending.
The funnel comprises a cylinder section and a trapezoid section connected below the cylinder section, and the funnel is positioned above the box body; the trapezoidal section is connected to the lower part of the cylindrical section through a screw; during the test, the whole funnel is lifted and placed on the box body through the lifting device; the function of the funnel is as follows: firstly, sanding: preparing a sand slope by a rain falling method; and secondly, simulating a slope rapid deposition effect.
The soil cutting plate comprises a steel plate for cutting soil and an ejector rod, one end of the ejector rod is connected with the steel plate, the other end of the ejector rod is connected with a flashboard positioned at the front end, and the length of the ejector rod is variable, so that the soil cutting plate can cut and dig the soil along different positions of a slope, and slope toe scouring phenomena of the slope in different degrees are simulated; when excavating the soil body, at first insert the soil body assigned position department with the steel sheet of cutting the soil body, then the length of adjustment ejector pin will be pushed up the ejector pin on the flashboard of mold box front end, excavate the cutting soil body with the spade at last.
The sensor support comprises a sensor fixing device and a sensor protecting device, and the sensor fixing device is used for fixing the sensor on the bottom plate; the specific sensor type can be selected according to the requirement, and the sensor protection device is sleeved outside the sensor and used for protecting the sensor from being damaged.
The gantry lifting device comprises two gantries and a control device, the two gantries are respectively arranged at the front end and the rear end of the box body, and the box body is lifted up through rotating shafts at the front end and the rear end; the portal frame positioned at the rear end can lift the box body at any angle within the range of 0-20 degrees, and the portal frame positioned at the front end is used for lifting the front end of the box body in the soil consolidation process; the control device is used for controlling the movement of the portal frame and adjusting the position and the lifting height of the portal frame.
As a preferred technical scheme of the invention, the flashboard positioned at the front end of the box body is detachable; when piling up the soil body in to the box, the flashboard of front end is in the lock state of dying, when the soil body concreties and accomplishes and carry out the experiment, and the flashboard of front end is mentioned, prevents to hinder the slope and slides.
As a preferred technical scheme of the invention, the side plate is made of transparent organic glass, so that the damage process of the landslide can be clearly observed.
As a preferred technical scheme of the invention, the bottom plate is made of stainless steel and is uniformly provided with the drain holes, so that the drainage consolidation of soil in the box body can be completed.
As a preferred technical scheme of the invention, the heights of the front horizontal section and the rear horizontal section are respectively kept consistent with the front end and the rear end of the box body, and the lengths of the two horizontal sections can be adjusted according to wave conditions (such as period and wavelength). The height of the rear horizontal section is consistent with that of the rear end of the box body, so that the waves are reflected stably, and meanwhile, the waves are prevented from generating vortexes at the rear end of the box body.
As a preferable technical scheme of the invention, the size of the trapezoidal section of the funnel can be adjusted according to the angle of the model slope, and in order to ensure that the trapezoidal section is completely attached to the box body, the inclined angle of the inclined edge of the lower edge of the trapezoidal section is the same as the lifted angle of the box body.
As a preferable technical scheme of the invention, the sensor fixing device is formed by vertically welding a flat steel bar and a hollow circular tube, and a sensor is fixed on the hollow circular tube. Because the box body is a slope, the height of the hollow circular tube is determined according to the position of the hollow circular tube placed in the box body; for more convenient and fast fixed sensor, cut off 1/2 with hollow pipe along direction of height, then according to the different positions of experimental monitoring division bolt hole in the different height departments of hollow pipe, can fix the sensor of division screw thread in advance on the bolt hole of different positions through the hand like this.
As a preferable technical scheme of the invention, the base adopts a # -shaped structure, so that the stability of the box body is higher.
As a preferred technical scheme of the invention, the sensor protection device is formed by engraving 3 layers of organic glass, and a filter screen and permeable stones are embedded in the sensor protection device. The probe outside of sensor is the permeable stone, and the permeable stone opposite side is the filter screen to prevent to lead to the sensor to damage because soil particle is too thin.
As a preferable technical scheme of the invention, the filter screen is ICr18Nig with 400 meshes/inch, and the thickness of the permeable stone is 5 mm.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the invention provides a set of test device capable of realizing the simulation of seabed landslide under multiple slope angles and multiple working conditions. The device can realize the lifting of the box body at any angle within the range of 0-20 degrees through the portal frame lifting device, and particularly, the device can simulate the scouring phenomenon of slope toe at different degrees by excavating soil bodies at different positions through the variable-length soil cutting plate; the hopper filled with the slurry is lifted by the lifting device, the top of the slope is loaded, and the landslide caused by the rapid sedimentation effect can be simulated; meanwhile, the device can be adopted, and the stability of the seabed slope under the action of the wave load is simulated and evaluated by combining an indoor water tank test. More importantly, the device can simultaneously consider the influence of the mutual coupling effect of wave shallow hydration, slope toe scouring and rapid sedimentation on the seabed landslide.
Drawings
FIG. 1 is a schematic view of a test apparatus according to the present invention;
FIG. 2 is a three-dimensional view of the mold box body and funnel of the present invention;
FIG. 3 is a three-dimensional view of the mold box body of the present invention;
FIG. 4 is a front view of the mold box body and funnel of the present invention;
FIG. 5 is a top view of the mold box body and funnel of the present invention;
FIG. 6 is a three-dimensional view of the cutting board of the present invention;
FIG. 7 is a view showing the relationship between the position of the soil cutting plate and the position of the mold box according to the present invention;
FIG. 8 is a view of a false hill construction of the present invention;
FIG. 9 is a three-dimensional view of a funnel trapezoidal section of the present invention;
FIG. 10 is a front view of the cylindrical and trapezoidal segments of the funnel of the present invention;
FIG. 11 is a shutter construction view of the present invention;
FIG. 12 is a sensor fixture of the present invention;
fig. 13 is a sensor protection device of the present invention.
The device comprises a model box main body, a 2-false slope, a 3-funnel, a 4-soil cutting plate, a 5-sensor support, a 6-portal frame lifting device, a 7-box body, a 8-base, a 9-rotating shaft, a 10-flashboard, a 11-side plate, a 12-bottom plate, a 13-slope section, a 14-front horizontal section, a 15-rear horizontal section, a 16-cylinder section, a 17-trapezoid section, an 18-ejector rod, a 19-steel plate, a 20-sensor fixing device, a 21-sensor protecting device, a 22-filter screen and 23-permeable stones.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The present invention will be further described with reference to the following examples and figures 1-13, but the invention is not limited thereto.
As shown in fig. 1, the present embodiment provides a novel indoor model testing apparatus for simulating a submarine landslide, which includes a model box main body 1, a false slope 2, a funnel 3, a soil cutting plate 4, a sensor bracket 5 and a gantry lifting device 6; the model box main body 1 is composed of a box body 7 and a base 8, wherein the box body 7 comprises a flashboard 10, a side plate 11 and a bottom plate 12.
The top of the box body 7 is a slope, and the front end of the box body is lower than the rear end; the two ends of the box body 7 are also provided with rotating shafts 9, the rotating shafts 9 at the rear ends can enable the box body 7 to simulate multi-angle landslide, and the rotating shafts 9 at the front ends are used for lifting the front end of the box body in the soil consolidation process, so that the top of the box body 7 is in a planar state, the box body 7 cannot flow out when the soil strength is too low, and therefore consolidation can be better completed. The false slope 2 comprises three parts, namely a slope section 13 and two horizontal sections 14 and 15. The funnel 3 comprises a cylinder section 16 and a trapezoid section 17, and the size of the trapezoid section 17 can be adjusted according to the angle of a model slope; the soil cutting plate 4 comprises a mandril 18 and a steel plate 19 for cutting soil; the sensor holder 5 includes a sensor fixing unit 20 and a sensor protecting unit 21.
The slope section 13 and the horizontal section 14 of the false slope 2 are arranged at the front end of the box body 7, the horizontal section 15 is arranged at the rear end of the box body 7, the heights of the horizontal section 14 and the horizontal section 15 are respectively consistent with the front end and the rear end of the box body 7, and the lengths of the horizontal sections 14 and 15 can be adjusted according to specific test working conditions.
The funnel 3 comprises a cylindrical section 16 and a trapezoidal section 17. The trapezoidal section 17 is screwed to the underside of the cylindrical section 16. During the experiment, the funnel 3 is integrally lifted by the lifting device and placed on the box body 7, and in order to enable the trapezoidal section 17 to be completely attached to the box body 7, the inclined edge of the lower edge of the trapezoidal section 17 is the same as the lifted angle of the box body. Function of the funnel 3: firstly, sanding: preparing a sand slope by a rain falling method; and secondly, simulating a slope rapid deposition effect.
The soil cutting plate 4 comprises a top rod 18 and a steel plate 19 for cutting soil, one end of the top rod 18 is connected with the flashboard 10 positioned at the front end, the other end of the top rod is connected with the steel plate 19, and the length of the top rod 18 is variable; the soil cutting plate 4 can cut and excavate soil bodies at different positions along the slope through the ejector rod 18, and is used for simulating the slope toe scouring phenomenon of the slope in different degrees.
The sensor bracket 5 comprises a sensor fixing device 20 and a sensor protecting device 21; the sensor fixing device 20 is used for fixing the sensor on the bottom plate 12; the fixing device 20 is formed by vertically welding a flat steel bar and a hollow circular tube, and the height of the hollow circular tube needs to be determined according to the position of the hollow circular tube placed on the box body 7 because the top end of the box body 7 is a slope. For more convenient and fast fixed sensor, cut off 1/2 with hollow pipe along direction of height, then according to the different positions of experimental monitoring division bolt hole in the different height departments of hollow pipe, can manually fix the sensor of division screw in advance on the bolt hole of different positions like this. Meanwhile, the arrangement position of the sensor bracket 5 can be determined according to the specific working condition of the test; sensor protection device 21 is carved by 3 layers of organic glass and is formed, and embedded ICr18Nig filter screen 22 and the permeable stone 23 that thickness is 5mm of 400 mesh/inch, the probe outside of sensor is permeable stone 23, and the permeable stone 23 opposite side is the filter screen. The sensor protection device 21 is sleeved outside the sensor to prevent the sensor from being damaged due to the fact that soil particles are too fine. The sensors used in this embodiment include an aperture sensor, a pressure sensor, and an acceleration sensor.
The two gantry cranes of the gantry lifting device 6 are respectively arranged at the front end and the rear end of the box body 7, the gantry crane at the rear end can lift the box body at any angle within the range of 0-20 degrees, and the gantry crane at the front end is used for lifting the front end of the box body 7 to keep the bevel edge of the box body 7 on a plane so as to prevent a slope soil body from flowing out.
The gate plate 10 is positioned at the front end of the box body 7, and the gate plate 10 is detachable; when soil is filled in the box body 7, the gate plate 10 is in a locking state, and when the soil is solidified and an experiment is finished, the front gate plate 10 is lifted to prevent the slope from sliding; the base 8 is located the bottom of box 7, adopts the # -shaped structure can make box 7 stability higher. The pivot 9 is located box 7 both ends, and the effect of box 7 rear end pivot 9 is in order to realize that box 7 can simulate multi-angle landslide, and box 7 front end pivot 9 then uses in the soil mass consolidation process, lifts up the box front end and can make the hypotenuse of box 7 keep a plane to guarantee that the soil mass can not flow out box 7, thereby better completion concreties. The side plate 11 is made of transparent organic glass, so that the damage process of the landslide can be clearly observed. The bottom plate 12 is made of stainless steel and is uniformly provided with drain holes with the diameter of 5mm, so that the soil in the box body 7 can be drained and consolidated.
The device is a set of test device which can realize the simulation of the seabed landslide under a plurality of slope angles and multiple working conditions. The influence of the mutual coupling effect of the slope angle change, the slope toe scouring and the rapid sedimentation on the seabed landslide can be considered at the same time. Meanwhile, the influence of the coupling effect of wave shallow hydration, slope toe scouring and rapid sedimentation on the seabed landslide can be researched by combining with an indoor water tank test.
According to the description and the drawings of the invention, a person skilled in the art can easily manufacture or use the novel indoor model test device for simulating the submarine landslide, and can produce the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than 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, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. A novel indoor model test device for simulating seabed landslide, comprising:
the mold box comprises a mold box main body (1), wherein the mold box main body (1) consists of a box body (7) and a base (8), and the box body (7) comprises a flashboard (10), side plates (11) and a bottom plate (12) which are positioned at two ends; the top of the box body (7) is a slope, and the front end of the box body is lower than the rear end; the two ends of the box body (7) are also provided with rotating shafts (9), the rotating shaft (9) at the rear end can enable the box body (7) to simulate multi-angle landslide, and the rotating shaft (9) at the front end is used for lifting the front end of the box body in the soil consolidation process, so that the top of the box body (7) is in a plane state, the box body (7) cannot flow out when the soil strength is too low, and the consolidation can be better completed;
the artificial slope (2) comprises a front horizontal section (14) connected to the front end of the box body (7), a slope section (13) connected to the front end of the front horizontal section (14) and a rear horizontal section (15) connected to the rear end of the box body (7);
the funnel (3) comprises a cylinder section (16) and a trapezoid section (17) connected below the cylinder section (16), and the funnel (3) is positioned above the box body (7);
the soil cutting plate (4) comprises a steel plate (19) for cutting soil and an ejector rod (18) with one end connected with the steel plate (19) and the other end connected with a flashboard (10) positioned at the front end, and the length of the ejector rod (18) is variable, so that the soil cutting plate (4) can cut and cut the excavated soil along different positions of a slope, and the slope toe scouring phenomenon of the slope in different degrees is simulated;
the sensor support (5), the sensor support (5) comprises a sensor fixing device (20) and a sensor protecting device (21), and the sensor fixing device (20) is used for fixing the sensor on the bottom plate (12); and
the gantry lifting device (6) comprises two gantries and a control device, the two gantries are respectively arranged at the front end and the rear end of the box body (7), and the box body is lifted through rotating shafts (9) at the front end and the rear end; the control device is used for controlling the movement of the portal frame and adjusting the position and the lifting height of the portal frame.
2. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the gate plate (10) positioned at the front end of the box body (7) is detachable; when soil is filled in the box body (7), the flashboard (10) at the front end is in a locking state, and when the soil is solidified and an experiment is finished, the flashboard (10) at the front end is lifted to prevent the slope from sliding.
3. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the side plate (11) is made of transparent organic glass, so that the damage process of the landslide can be clearly observed.
4. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the bottom plate (12) is made of stainless steel and is uniformly provided with drain holes, so that drainage consolidation of soil in the box body (7) can be achieved.
5. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the heights of the front horizontal section (14) and the rear horizontal section (15) are respectively consistent with the front end and the rear end of the box body (7).
6. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the inclined angle of the inclined edge of the lower edge of the trapezoidal section (17) is the same as the angle of the box body (7) which is lifted.
7. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the sensor fixing device (20) is formed by vertically welding a flat steel bar and a hollow round pipe, and a sensor is fixed on the hollow round pipe.
8. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the base (8) adopts a # -shaped structure, so that the stability of the box body (7) is higher.
9. The novel indoor model test device for simulating the sea bottom landslide according to claim 1, wherein: the sensor protection device (21) is formed by engraving 3 layers of organic glass, and a filter screen (22) and a permeable stone (23) are embedded in the sensor protection device.
10. The novel indoor model test device for simulating the sea bottom landslide of claim 9, wherein: the filter screen (22) is ICr18Nig of 400 meshes/inch, and the thickness of the permeable stone (23) is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202274.9A CN113008513A (en) | 2021-02-23 | 2021-02-23 | Novel indoor model test device for simulating submarine landslide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202274.9A CN113008513A (en) | 2021-02-23 | 2021-02-23 | Novel indoor model test device for simulating submarine landslide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113008513A true CN113008513A (en) | 2021-06-22 |
Family
ID=76407978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110202274.9A Pending CN113008513A (en) | 2021-02-23 | 2021-02-23 | Novel indoor model test device for simulating submarine landslide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113008513A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140227036A1 (en) * | 2013-02-13 | 2014-08-14 | Korea Institute Of Geoscience And Mineral Resources | Apparatus and method for simulating submarine landslide resulting from gas hydrate dissociation or earthquake |
| CN207764186U (en) * | 2018-01-11 | 2018-08-24 | 中国电建集团华东勘测设计研究院有限公司 | The experimental rig on simulated sea bottom landslide |
| CN108894182A (en) * | 2018-06-11 | 2018-11-27 | 国家海洋局第海洋研究所 | A kind of landslide trigger device and method applied to the research of submarine landslide flume test |
| CN109541174A (en) * | 2018-11-06 | 2019-03-29 | 重庆大学 | A kind of transparent soil deformation visualization system on simulated sea bottom landslide |
| CN111157699A (en) * | 2019-12-30 | 2020-05-15 | 浙江大学 | Indoor test-based submarine landslide evaluation method |
-
2021
- 2021-02-23 CN CN202110202274.9A patent/CN113008513A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140227036A1 (en) * | 2013-02-13 | 2014-08-14 | Korea Institute Of Geoscience And Mineral Resources | Apparatus and method for simulating submarine landslide resulting from gas hydrate dissociation or earthquake |
| CN207764186U (en) * | 2018-01-11 | 2018-08-24 | 中国电建集团华东勘测设计研究院有限公司 | The experimental rig on simulated sea bottom landslide |
| CN108894182A (en) * | 2018-06-11 | 2018-11-27 | 国家海洋局第海洋研究所 | A kind of landslide trigger device and method applied to the research of submarine landslide flume test |
| CN109541174A (en) * | 2018-11-06 | 2019-03-29 | 重庆大学 | A kind of transparent soil deformation visualization system on simulated sea bottom landslide |
| CN111157699A (en) * | 2019-12-30 | 2020-05-15 | 浙江大学 | Indoor test-based submarine landslide evaluation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111157699B (en) | Indoor test-based submarine landslide evaluation method | |
| McWhorter et al. | Ground-water hydrology and hydraulics | |
| Knight et al. | Boulder dynamics on an Atlantic-facing rock coastline, northwest Ireland | |
| CN107564597B (en) | A kind of high-level waste geology treatment padded coaming and its processing method | |
| Yong-Gang et al. | The effects of hydrodynamic conditions on geotechnical strength of the sediment in Yellow River Delta | |
| CN101798821B (en) | Local scouring forecast method of coastwise wind-electricity tower footing of muddy coast | |
| CN103614984A (en) | Ecological treatment method oriented to geological environment disasters caused by riverway goafs | |
| Jia et al. | Analysis and comparison of two types of ground fissures in Dali County in the Weihe Basin, China | |
| Zhang et al. | Causes and treatment measures of submarine pipeline free-spanning | |
| CN215064491U (en) | A earth's surface subsides mark for vacuum preloading monitoring | |
| Laudon | Land gravity survey of the Solomon and Bismarck Islands | |
| CN208334137U (en) | A kind of device of karst trough valley area soil stream leakage observation | |
| Najma et al. | Experimental study on the seismic behavior of composite breakwaters located on liquefiable seabed | |
| CN113008513A (en) | Novel indoor model test device for simulating submarine landslide | |
| Lo Presti et al. | A report on the 2012 seismic sequence in Emilia (Northern Italy) | |
| CN202595695U (en) | Device for making clay block used in simulation test of high sand concentration flood 'bottom tearing scour' | |
| CN101915698B (en) | Testing method for simulating precipitation earth lateral pressure coefficient change of foundation pit | |
| Song et al. | Controls on shallow gas distribution, migration, and associated geohazards in the Yangtze subaqueous delta and the Hangzhou Bay | |
| Zanon et al. | Growth and evolution of an emergent tuff cone: considerations from structural geology, geomorphology and facies analysis of São Roque volcano, São Miguel (Azores) | |
| CN109024468A (en) | The construction and its implementation method of ecology collection desilting | |
| CN212721666U (en) | Measuring rod with automatic display screen for water level of river water resource | |
| CN113804857A (en) | Multi-circular shield tunnel excavation model test device based on two-dimensional particles and application method | |
| CN113702619A (en) | Three-dimensional wave current harbor basin test-based seabed landslide evaluation method | |
| CN106400853B (en) | Anchor rod and hinge type building block ecological slope protection vibration table model test device | |
| Jie et al. | Numerical analysis of consolidation settlement and creep deformation of artificial island revetment structure in a large-scale marine reclamation land project |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210622 |
|
| WD01 | Invention patent application deemed withdrawn after publication |