CN115262470A - Coupling test device for river plugging and dam breaking of landslide body - Google Patents

Abstract

The invention provides a landslide body river blocking dam forming-dam break coupling test device, which comprises: the device comprises a material box, an inclined long plate, a water tank and a water tank; the inclined long plate is arranged on a bracket and used for simulating the sliding surface of the landslide body; the material box is arranged on the inclined long plate and used for containing material substances for simulating the slumping body; the water tank is communicated with the water tank and is used for simulating a river channel and an upstream reservoir thereof; the inclined long plate is connected to the edge of the top of the water tank, so that the slumping body material falls into the water tank along the inclined long plate; and a measuring equipment frame is arranged above the water tank and used for supporting and carrying a measuring device, and observing and measuring key parameters of a collapse body falling into the water tank and simulating a dam blocking and forming process-dam break process through measuring equipment. The invention artificially sets the difference between the damming dam body and the actual accumulation process, thereby more accurately testing the mechanism of the whole process from the slide-down of the slumped body into the river channel to the damming of the dam, and having better technical and economic benefits.

Description

Coupling test device for river plugging and dam breaking of landslide body

Technical Field

The invention relates to the technical field of hydroelectric engineering slope research, in particular to a landslide body river blocking dam forming-dam break coupling test device.

Background

The safety production activities of hydropower stations are puzzled for a long time by instability disasters of reservoir banks and adjacent plant slopes of the cascade hydropower stations. In southwest regions with a large number of hydropower stations in China, due to the complex geological and stratum conditions, loose accumulation bodies on slopes are widely distributed, the intensity is obviously reduced after cracking, the loose accumulation bodies are more sensitive to weather changes such as rainfall, and the accumulation bodies are easy to move along the slopes to cause landslide or debris flow disasters. Under the background of rapid development of hydropower engineering construction in southwest areas of China, the research on instability characteristics of a slumped body formed by loose accumulation bodies along a slope is of great significance.

With the development of a great deal of research on the landslides, corresponding test techniques are also rapidly developed. For the side slope of the river channel, after the crumbs enter the river channel, two processes of accumulation into a dam and dam breaking by upstream impact exist. The existing test device can only simulate one process, and the process of gliding the accumulation body into the dam and impacting and breaking the dam needs to be simulated separately. Generally, tests focusing on dam break are common, and the dam break process usually requires on-site soil taking, sealed transportation to a laboratory, artificial accumulation into a dam body and water flow load application. The dam breaking characteristics are greatly influenced by the difference of artificial factors in the dam piling process, and the laboratory test dam body and the dam body formed by deposition of a slumped body under natural conditions have great difference, so that the dam breaking characteristics are obviously influenced for objective test.

Disclosure of Invention

The invention provides a landslide body river blocking and dam forming-break coupling test device, aims to accurately test the mechanism of the whole process from sliding of a landslide body into a river channel to form a dam blocking dam to break, and has good technical and economic benefits.

Therefore, the invention aims to provide a landslide body river blocking dam forming-dam break coupling test device, which comprises: the device comprises a material box, an inclined long plate, a water tank and a water tank;

the inclined long plate is arranged on a bracket and used for simulating the sliding surface of the landslide body; the material box is arranged on the inclined long plate and used for containing material substances simulating the body to slide; the water tank is communicated with the water tank and is used for simulating a river channel and an upstream reservoir thereof; the inclined long plate is connected to the edge of the top of the water tank, so that the slumped material in the material tank falls into the water tank along the inclined long plate; and a measuring equipment frame is arranged above the water tank and used for supporting and carrying a measuring device, and the measuring equipment is used for observing and measuring key parameters of a slumped body falling into the water tank and simulating the process of river blocking and dam forming-dam breaking.

Wherein, the water tank and the water tank are fixed on a waterproof layer base.

The support comprises a fixed rod, a supporting rod and an adjusting rod;

the fixing rod is horizontally arranged, and one end of the fixing rod is fixed on the impervious layer base; the supporting rod is arranged vertical to the ground, one end of the supporting rod is in contact with the ground to support, and the other end of the fixing rod is fixedly connected with the supporting rod to fix the supporting rod; the adjusting rod is horizontally fixed on the supporting rod, and the fixed position of the adjusting rod is changed along the rod body direction of the supporting rod, so that the adjusting rod moves along the supporting rod; one end of the inclined long plate is erected on the adjusting rod, the other end of the inclined long plate is fixed at the edge of one side of a water inlet of the water tank, and the slope of the inclined long plate is adjusted by adjusting the relative position of the adjusting rod and the supporting rod so as to simulate the process that the slide-up body material slides down the slope at different angles to block the river.

The material box is arranged on the inclined long plate, and the material box slides along the sliding track; the first side wall of the material box is arranged to move along the slope surface direction of the inclined long plate and the direction vertical to the slope surface; the first side wall moves along the slope surface direction to change the volume of the material box and simulate the sliding process of the collapsing body with different material quantity scales; the speed of the first side wall moving along the direction vertical to the slope surface is controlled to change the speed of the materials of the slip body placed in the material releasing box.

The water tank is used for simulating a river channel, is made of impermeable glass, is provided with an opening at one side and is communicated with the material collecting box, and the material collecting box is used for collecting flushed disintegrating slide substances and water; the other side of the water tank is connected with the water tank.

The top of the water tank is higher than the top of the water tank and is used for simulating the water and flow load of an upstream reservoir, and the water tank is provided with a water inlet for feeding water to apply the flow load of the upstream; an electromagnetic flowmeter is arranged at the water inlet and is used for measuring inflow flow.

The measuring equipment frame is arranged above the water tank and comprises a longitudinal rod and a plurality of transverse rods; the longitudinal rod is erected at the top of the water tank, and the transverse rod is fixed on the longitudinal rod and used for supporting the measuring equipment; and the number of the cross rods is the same as that of the measuring equipment.

The two ends of the measuring equipment frame are respectively fixed on the edges of the water tank and the water tank on the same side, and the three cross rods are respectively used for supporting the pulsating water pressure gauge, the camera and the wave height instrument.

The wave height instrument is arranged on one side, close to the water tank, of the debris accumulation position and used for measuring upstream wave load; the pulsating water pressure gauge is arranged on one side, away from the water tank, of the debris accumulation position and used for measuring the downstream hydrodynamic pressure.

The dam body accumulation in the water tank in the test and the whole dam break process are shot and analyzed from different positions at a proper angle by adjusting the position of the cross rod fixed by the camera.

Different from the prior art, the landslide body river blocking dam forming-dam break coupling test device provided by the invention comprises: the device comprises a material box, an inclined long plate, a water tank and a water tank; the inclined long plate is arranged on a bracket and used for simulating the sliding surface of the landslide body; the material box is arranged on the inclined long plate and used for containing material substances for simulating the slumping body; the water tank is communicated with the water tank and is used for simulating a river channel and an upstream reservoir thereof; the inclined long plate is connected to the edge of the top of the water tank, so that the slumped material in the material tank falls into the water tank along the inclined long plate; and a measuring equipment frame is arranged above the water tank and used for supporting and carrying a measuring device, and the measuring equipment is used for observing and measuring key parameters of a slumped body falling into the water tank and simulating the process of river blocking and dam forming-dam breaking. The device can simulate the process that the crumbling objects composed of different rock-soil characteristics slide downwards from slopes with different heights and different angles to block the river; the water flow load can be applied to the upper stream of the dam body at the same time, the combined test from the two processes of river plugging and dam formation of the collapse slide body to dam break is realized, and the observation and measurement of key parameters such as the form change, wave height, flow, hydrodynamic pressure and the like of the dam body in the whole process can be realized; the invention artificially sets the difference between the damming dam body and the actual accumulation process, thereby more accurately testing the mechanism of the whole process from the slide-down of the slumped body into the river channel to the damming of the dam, and having better technical and economic benefits.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a landslide body river blocking dam-break dam coupling test device provided by the invention.

Fig. 2 is a schematic structural diagram of a support in the landslide body river blocking dam-break coupling test device provided by the invention.

Fig. 3 is a schematic top view structure diagram of a material tank in the landslide body river blocking dam-break coupling test device provided by the invention.

Fig. 4 is a schematic view of a combined structure of a material tank and a base in the landslide body river-blocking dam-break coupling test device provided by the invention.

Fig. 5 is a schematic structural view of an object base in the landslide body river blocking dam-break dam coupling test device provided by the invention.

Fig. 6 is a top view of the landslide body river blocking dam-break dam coupling test device provided by the invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

The following describes a landslide body river blocking dam formation-dam break coupling test device according to an embodiment of the invention with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a landslide body river blocking dam-break dam coupling test device according to an embodiment of the present invention. The device can simulate the process that the crumbling objects composed of different rock-soil characteristics slide downwards from slopes with different heights and different angles to block the river; the method can apply water flow load on the upstream of the dam body at the same time, realize the joint test of two processes from the river plugging and dam forming of the slumped body to the dam break, and observe and measure key parameters such as dam body form change, wave height, flow, hydrodynamic pressure and the like in the whole process. The method comprises the following steps: the device comprises a material box 1, an inclined long plate 3, a water tank 6, a water tank 11 and a measuring device;

the inclined long plate 3 is arranged on a bracket 5 and used for simulating the slope surface of the slide body; the material box 1 is arranged on the inclined long plate 3 and used for containing material substances simulating a slide body; the water tank 11 is communicated with the water tank 6 and is used for simulating a river channel and an upstream reservoir thereof; the inclined long plate 3 is connected to the edge of the top of the water tank 6, so that the slide material in the material tank 1 falls into the water tank 6 along the inclined long plate; and a measuring equipment frame 10 is arranged above the water tank 11 and used for supporting and carrying a measuring device, and key parameters such as dam body form change, wave height, flow, hydrodynamic pressure and the like in the process of dam breaking and dam blocking of the collapse and slide body are observed and measured through the measuring equipment. The water tank 6 and the water tank 11 are fixed to a watertight bed 14. The measuring devices utilized in the present invention are a pulsating water pressure gauge 8, a camera 13 and a wave height gauge 7.

The bracket 5 comprises a fixed rod 51, a support rod 52 and an adjusting rod 53; wherein, the fixed rod 51 is horizontally arranged, and one end is fixedly connected with the impermeable layer base 14; the support rod 52 is arranged vertical to the ground, one end of the support rod is contacted with the ground for supporting, and the other end of the fixing rod 51 is fixedly connected with the support rod 52 for fixing the support rod 52; specifically, the fixing rod 51 is a cylindrical rod, a connecting hole can be formed at the connecting position of the rod body of the supporting rod 52 and the fixing rod 51, and the diameter of the connecting hole is slightly smaller than that of the cylindrical body of the fixing rod 51, so that the supporting rod 52 and the fixing rod 51 are fixedly connected in an interference fit manner; in other embodiments, the support rod 52 and the fixing rod 51 can be fixed by screws; the adjusting rod 53 is horizontally fixed on the supporting rod 52, and the fixing position of the adjusting rod 53 and the supporting rod 52 is changed along the rod body of the supporting rod 53, so that the adjusting rod 53 can be located at different heights relative to the ground.

As shown in fig. 2, in the present invention, in order to stabilize the structure, two fixing rods 51 and two support rods 52 are provided, the two fixing rods 51 are arranged in parallel, the newly added fixing rods 51 and the newly added support rods 5 are both fixed in the aforementioned arrangement manner, the two support rods 52 are parallel, and an adjusting rod 53 is fixedly connected between the two support rods 52; specifically, the adjusting rod 53 g is fixed on the two supporting rods 52 in a screw connection manner, or fixed in the same interference fit manner as described above; a plurality of groups of screw holes or connecting holes are symmetrically arranged on the rod bodies of the two support rods 52 so as to realize the position change of the adjusting rod 53 relative to the support rods 52; when the diagonal plate 3 is erected on the rod body of the adjustment lever 53, the adjustment lever 53 is positioned at different heights with respect to the ground, and the slope of the slope simulated by the diagonal plate 3 is changed. The width of the inclined long plate 3 is equal to or slightly less than the distance between the two support rods 52, so that the inclined long plate 3 can be clamped between the two support rods 52, the other end of the inclined long plate 3 is fixed at the top of the side wall of the right side of the water tank shown in fig. 1, and the inclined long plate 3 can be fixedly connected through the hinge and can axially move by taking the rotating shaft of the hinge as an axis, so that the inclined long plate 3 can be supported through the adjusting rods 53 at different positions. The inclined long plate 3 adjusts the gradient through the adjusting rod 53 so as to simulate the process that the slide-up body material slides down to block the river from slopes with different heights and different angles. The surface of the inclined long plate 3 is provided with a sliding track 4, and the material box 1 slides along the sliding track 4; the first side wall 111 of the material box 1 is arranged to move along the slope direction of the long inclined plate 3 and the direction vertical to the slope; the first side wall 111 moves along the slope direction to change the volume of the material box 1 and simulate the sliding process of the collapsing body with different material quantity scales; as shown in fig. 3, in the present invention, the material tank 1 is configured as a hollow cube, and the first side wall 111 is a material inlet/outlet of the material tank 1. The first side wall 111 is movably connected with other side walls of the material box 1; specifically, a plurality of pairs of slots are symmetrically arranged in sequence on the opposite side wall connected with the first side wall 111 in the side wall of the plate surface of the vertical inclined long plate 3 of the material box 1 for inserting the first side wall 111; the first side wall 111 is inserted into different symmetrical slots, so that the volume of the material box 1 can be adjusted, the total amount of materials contained in the material box 1 is changed due to the change of the volume of the material box, and the sliding process of the slide body with different material amount scales is simulated.

The speed of the placement of the slide material in the discharge bin 1 is varied by controlling the speed of the movement of the first side wall 111 in the direction of the vertical ramp. Specifically, when the first sidewall 111 is inserted into the symmetric slot as described above, the plugging process is controlled by a motor system; when the first side wall 111 is controlled by the motor system to move towards the direction perpendicular to and away from the surface of the long inclined plate 3 at different speeds, different amounts of the slide materials are poured into the water tank 11 from the material tank 1, so that different slide material pouring speeds are simulated.

The material box 1 is fixed on a sliding track 4 through a base 2. In other embodiments of the invention, the volume of the material tank 1 can be changed by moving the two ends of the base 2 relative to each other. As shown in fig. 4, the base 2 is divided into two parts, a first base 21 and a second base 22, both of which are L-shaped structures and are provided as a horizontal plate and a vertical plate; the two transverse plates are matched with the sliding rail 4 so that the base 2 moves along the sliding rail 4, and the material box 1 is arranged between the first base 21 and the second base 22 and clamped and fixed through the two vertical plates; the areas of the two vertical plates are larger than the area of the side wall of the material tank 1, which is in contact with the vertical plates. As shown in fig. 5, in the embodiment of the present invention, the first riser 222 of the first base 21 contacts with the first sidewall 111 of the material tank 1, and an area slightly smaller than the area of the first sidewall 111 is formed at the center of the first riser 222, so that when the first sidewall 111 is pulled out from the slot, the material in the material tank 1 passes through the first sidewall 111 and the second riser 222 and slides down into the water tank 6. Fig. 2 shows a top view of the material tank 1.

As described above, the first sidewall 111 can move in a certain range relative to the bottom plate of the material tank 1 for bearing the material of the sliding body, so as to enlarge or reduce the volume of the material tank 1, and is used for simulating the sliding process of the sliding body with different material quantity scales; when the movement of the landslide body needs to be simulated, the first side wall 111 of the material box 1 can be taken out and separated from the rest part of the material box 1, so that an opening is formed at the position of the first side wall 111.

In the invention, when the material box 1 moves to a designated position on the inclined long plate 3 along the sliding track 4, the first side wall 111 is opened through the motor system, and the landslide material falls from an opening formed by the first side wall 111 into the water tank 6, is driven by water flow at a water inlet 16 of the water tank and enters the water tank 11 to simulate the landslide body to block the river to form a dam; the dam formed is in a water tank 11, as shown in fig. 1, a trapezoidal structure; the water discharge of the water inlet 16 is further increased, so that excessive water enters the water tank 11 through the water tank 6, an impact effect is generated on a dam body formed in the water tank 11, and the process of breaking the dam after a collapse body blocks a river to form the dam is simulated.

The water tank 11 is used for simulating a river channel, is made of impermeable glass, is provided with an opening at one side and is communicated with the material collecting box 12, and the material collecting box 12 is used for collecting flushed-out disintegrating slide substances and water; the other side of the water tank 11 is connected with the water tank 6.

The top of the water tank 6 is higher than the top of the water tank 11 and is used for simulating the water and flow load of an upstream reservoir, and a water inlet 16 is arranged for applying the flow load of the upstream reservoir by water inflow; the water inlet 16 is also provided with an electromagnetic flow meter 15 for measuring the inflow rate.

The top view structure of the device of the invention is shown in fig. 6, a measuring equipment rack 10 is arranged above a water tank 11 and comprises a vertical rod 101 and a plurality of transverse rods 102; the vertical rod 101 is erected at the top of the water tank 11, and the transverse rod 102 is fixed on the vertical rod 101 and used for supporting measuring equipment; and the number of crossbars 102 is the same as the number of measuring devices.

In order to stably fix the measuring equipment, two longitudinal rods 101 are arranged in parallel in the invention, the two longitudinal rods 101 are erected at the top of the water tank 11 in parallel along the water flow advancing direction, each cross rod 102 is fixedly connected between the two longitudinal rods 101, and the connection mode is similar to or even identical to that of the support rod 52 and the adjusting rod 53, which is described above, and is not described again.

The cross rod 102 is set as a screw rod, the two longitudinal rods 101 are correspondingly provided with a plurality of pairs of screw holes along the rod body, and the longitudinal rods 101 and the cross rod 102 are fixed through the thread matching between the screw rods and the screw holes; meanwhile, the cross rod 102 is in threaded connection with screw holes at different positions, so that the relative position of the corresponding cross rod 102 and the longitudinal rod 101 is changed, and the cross rod 102 which plays a role in supporting equipment is located at the optimal measuring position. The two ends of the measuring equipment frame 10 are respectively fixed on the left edges of the water tank 11 and the water tank 6 as shown in fig. 1, and three cross bars 102 are arranged and are respectively used for supporting the pulsating water pressure gauge 8, the camera 13 and the wave height gauge 7.

The slippery material in the material tank 1 slides along the inclined long plate 3 and falls into the water tank 6, and reaches the river channel simulated by the water tank 11 under the action of water flow force to be accumulated, so that the chips are formed into a dam as shown in fig. 1. The wave height instrument 7 is arranged on a cross rod 102 arranged between the water tank 6 and the debris accumulation and used for measuring the upstream wave load; the pulsating water pressure gauge 8 is arranged on a cross bar 102 arranged between the position material collecting box 12 and the water tank 6 and is used for measuring the downstream hydrodynamic pressure.

The camera 13 is arranged on the cross rod 102 between the fixed wave height instrument 7 and the cross rod of the fixed pulsating water pressure gauge 8, and the position of the cross rod 102 fixed by the camera 13 on the longitudinal rod 101 is adjusted to select a proper angle to carry out whole shooting analysis on dam formation and dam break processes of dam bodies in the water tank in the test from different positions. Specifically, the adjustment of the shooting position of the camera 13 can be realized by adjusting the position of the crossbar 102 supporting the fixed camera 13. In other embodiments of the present invention, the camera 13 may be slidably connected to the cross bar 102, and specifically, the camera 13 may be fixed to a bolt (not shown), the thread of the bolt matches with the thread of the cross bar corresponding to the camera 13, the bolt drives the camera 13 to move on the cross bar 102 corresponding to the bolt in a thread matching manner, and the position of the camera 13 is adjusted through two dimensions, i.e., the transverse dimension and the longitudinal dimension, so that the camera 13 moves to the optimal shooting position for shooting. The movement of the bolt with the camera 13 can be adjusted manually or by providing a motor system to control the movement of the bolt. In the present invention, the related motor system is a mature motor control system, and the motor does work to drive the bolt and the related first sidewall 111 to move.

Specifically, the device can be divided into four subsystems, namely a stack body gliding system along a slope, a river channel system, an upstream reservoir water system and a measuring system;

the long inclined plate 3, the material box 1 and the support 5 form a stack body gliding system along the slope, and the stack body gliding system is used for simulating a process that materials of a landslide body glide along the slope.

A water tank 11 in the test device is used for simulating a river channel to form a river channel system;

the water tank 6 and the electromagnetic flowmeter 15 arranged at the water inlet 61 thereof form an upstream reservoir water system;

the measuring equipment frame 10 is erected above the water tank 11, and the pulsating water pressure gauge 8, the camera 13 and the wave height gauge 7 which are arranged on the measuring equipment frame 10 form a measuring system.

By the development of the invention, the following tests can be carried out:

1. test of collapse and slide of piled body into dam

The material case 1 on the oblique long slab 3 is used for placing the material that bursts up and slips, and the slope surface of 3 simulation of oblique long slab gliding in-process ways of the body that bursts up and slips on, and 3 upper ends of oblique long slab are placed on the regulation pole 53 of support 5, and regulation pole 53 passes through the bolt fastening on support frame 52, and bolt fastening position can reciprocate at support frame 52 to the slope angle that can realize oblique long slab can change as required. The base of the material box 1 is arranged on the sliding track 4 on the inclined long plate 3 and can be fixed or slightly slide according to needs, and the first side wall 11 can stretch out and draw back within a certain range, so that the volume of the material box 1 is enlarged or reduced, and the material box is used for simulating the sliding process of the sliding body with different material quantity scales. When the movement of the slide-breaking body needs to be simulated, the first side wall 11 of the material box 1 can be taken out, and the slide-breaking debris slides out of the material box and slides down to the river channel along the slope. As the river blockage and dam formation of the debris are a process of multiple accumulation, the crumbles can be applied to the material tank 1 for multiple times, and the river blockage and dam formation process caused by multiple times of collapse can be simulated and tested.

2. Dam break test of damming dam

After the dam is built up by multiple collapse bodies, the water tank 6 connected with the upstream of the riverway water tank 11 is used for simulating upstream reservoir water and flow load, and the right side of the water tank 6 is connected with the water inlet and used for applying the upstream flow load by water inflow. The water inlet is provided with an electromagnetic flow meter 15 for measuring the inflow flow. After the collapse body is piled up to block a river and form a dam, in order to research a dam break process, reservoir water loads are applied to the upstream of the dam body, at the moment, water is discharged from the water tank 6 through the water inlet, the flow can be controlled by adjusting the size of the external water inlet valve, different upstream reservoir water loads are applied, and the flow can be measured through the electromagnetic flowmeter 15. With the increase of the upstream water level load, the dam body breaks, and the form change and the monitoring data change of the whole dam body breaking process can be obtained through the pulsating water pressure gauge 8, the camera 13 and the wave height instrument 7.

Different from the prior art, the landslide body dam blocking and dam break coupling test device provided by the invention can simulate the process that landslide debris formed by different rock-soil characteristics slides down to block a river from slopes with different heights and different angles; the water flow load can be applied to the upper stream of the dam body at the same time, the combined test from the two processes of river plugging and dam formation of the collapse slide body to dam break is realized, and the observation and measurement of key parameters such as the form change, wave height, flow, hydrodynamic pressure and the like of the dam body in the whole process can be realized; the invention artificially sets the difference between the damming dam body and the actual accumulation process, thereby more accurately testing the mechanism of the whole process from the slide-down of the slumped body into the river channel to the damming of the dam, and having better technical and economic benefits.

In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.

Claims (10)

1. A landslide body river blocking dam forming-dam break coupling test device is characterized by comprising: the device comprises a material box, an inclined long plate, a water tank and a water tank;

the inclined long plate is arranged on a bracket and used for simulating the sliding surface of the landslide body; the material box is arranged on the inclined long plate and used for containing material substances for simulating the slumping body; the water tank is communicated with the water tank and is used for simulating a river channel and an upstream reservoir thereof; the inclined long plate is connected to the edge of the top of the water tank, so that the slumped material in the material tank falls into the water tank along the inclined long plate; and a measuring equipment frame is arranged above the water tank and used for supporting and carrying a measuring device, and the collapse body falls into the water tank through the measuring equipment to simulate the key parameters of the process of blocking a river into a dam and breaking the dam for observation and measurement.

2. The landslide body blockage dam-break coupling test device according to claim 1, wherein the water tank and the water tank are fixed on a watertight layer base.

3. The landslide body river blockage dam formation-dam break coupling test device according to claim 2, wherein the support comprises a fixing rod, a supporting rod and an adjusting rod;

the fixing rod is horizontally arranged, and one end of the fixing rod is fixed on the waterproof layer base; the supporting rod is arranged vertical to the ground, one end of the supporting rod is in contact with the ground to support, and the other end of the fixing rod is fixedly connected with the supporting rod to fix the supporting rod; the adjusting rod is horizontally fixed on the supporting rod, and the fixed position of the adjusting rod is changed along the rod body direction of the supporting rod, so that the adjusting rod moves along the supporting rod; one end of the inclined long plate is erected on the adjusting rod, the other end of the inclined long plate is fixed at the edge of one side of a water inlet of the water tank, and the inclined long plate is adjusted through adjusting the relative position of the adjusting rod and the supporting rod to simulate the process that the slide material slides down the slope of different angles to block the river.

4. The landslide body river blockage dam break-dam break coupling test device according to claim 1, wherein a sliding track is arranged on the surface of the inclined long plate, and the material tank slides along the sliding track; the first side wall of the material box is arranged to move along the slope surface direction of the inclined long plate and the direction vertical to the slope surface; the first side wall moves along the slope direction to change the volume of the material box and simulate the sliding process of the collapsing body with different material quantity scales; the speed of the first side wall moving along the direction vertical to the slope surface is controlled to change the speed of the materials of the slip body placed in the material releasing box.

5. The landslide body river blockage dam formation-dam break coupling test device according to claim 1, wherein the water tank is used for simulating a river channel, is made of impermeable glass, is open at one side and is communicated with a material collection box, and the material collection box is used for collecting flushed landslide body substances and water; the other side of the water tank is connected with the water tank.

6. The landslide body river blockage dam formation-dam break coupling test device according to claim 1, wherein the top of the water tank is higher than the top of the water tank and is used for simulating upstream reservoir water and flow load, and the water tank is provided with a water inlet for applying upstream flow load by water inflow; an electromagnetic flowmeter is arranged at the water inlet and used for measuring inflow flow.

7. The coupling test device for river plugging and dam breaking of the slumping body according to claim 1, wherein the measuring equipment frame is arranged above the water tank and comprises a longitudinal rod and a plurality of transverse rods; the longitudinal rod is erected at the top of the water tank, and the transverse rod is fixed on the longitudinal rod and used for supporting the measuring equipment; and the number of the cross rods is the same as that of the measuring equipment.

8. The landslide body river blockage dam formation-dam break coupling test device according to claim 7, wherein two ends of the measuring equipment rack are respectively fixed on the same side edges of the water tank and the water tank, and three cross rods are arranged and are respectively used for supporting a pulsating water pressure gauge, a camera and a wave height gauge.

9. The coupling test device for river blockage and dam break of the slumping body according to claim 8, wherein the wave height instrument is arranged on one side of a debris accumulation position close to the water tank and used for measuring upstream wave load; the pulsating water pressure gauge is arranged on one side, away from the water tank, of the debris accumulation position and used for measuring the downstream hydrodynamic pressure.

10. The landslide body river blockage dam formation-dam break coupling test device according to claim 8, wherein the position of the cross rod fixed by the camera is adjusted to select a proper angle to conduct shooting analysis on the dam formation and dam break process of the dam body in the water tank in the test from different positions.

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