CN110579327B - Experimental device and method for simulating impact of landslide surge on bridge pier - Google Patents
Experimental device and method for simulating impact of landslide surge on bridge pier Download PDFInfo
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- CN110579327B CN110579327B CN201910758328.2A CN201910758328A CN110579327B CN 110579327 B CN110579327 B CN 110579327B CN 201910758328 A CN201910758328 A CN 201910758328A CN 110579327 B CN110579327 B CN 110579327B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
Abstract
The invention discloses a simulation experiment device and method for impact of landslide surge on a bridge pier, and relates to the technical field of bridge pier wave pressure impact simulation experiments. The experimental device for simulating the impact of landslide surge on the pier comprises a water tank, the pier, a sliding groove, a side bridge, a high-speed camera, a pressure sensor and a wave height sensor, wherein a bank slope is arranged on the inner wall of the water tank, the pier and the sliding groove are fixed on the bank slope, and the side bridge is arranged between the pier and the sliding groove. The bridge pier is provided with a plurality of pressure sensors, and the pressure sensors transmit acquired information to the PC terminal through the multifunctional signal acquisition instrument. The side bridge is provided with a wave height sensor and a high-speed camera, the wave height sensor detects the wave height of the surging waves, and the high-speed camera shoots the climbing height of the surging waves on the bridge pier and the change condition of the waves. The method can accurately simulate the geographical environment and the distance of landslide in reality by changing the position of the pier, and simultaneously more flexibly simulate the difference of landslide impact pressure borne by piers of various shapes in reality.
Description
Technical Field
The invention relates to the technical field of bridge pier wave pressure impact simulation experiments, in particular to a simulation experiment device and method for impact of landslide surge on a bridge pier.
Background
Landslide surge is used as a main secondary disaster of bank landslide, and the front discontinuity of the landslide surge enables the bank landslide to have strong destructive power. After landslide and collapse bodies are unstable and enter water, huge surge is aroused, and great transverse flow velocity is generated, so that ships in water can be overturned or sunk to cause casualties, serious threats can be brought to life and property safety of wharfs in storage areas, shore marks, renovation buildings, banks and residents along the banks, and earth and stones falling into water can block river channels and deteriorate water flow conditions of the navigation channel. For the three gorges reservoir area, the potential safety hazard is certainly brought to bridges, dam bodies, wharfs and the like when large landslides slide into water. Along with the construction of hydraulic engineering, the problem of safety and stability of the bank side slope is more and more emphasized, the construction of hydraulic buildings can change the stress field and the geological conditions of the surrounding soil body inevitably, and the rock-soil body is easy to deform and damage. Meanwhile, the existing landslide body, collapse body and loose body are infiltrated by water flow, a floating force is generated on the landslide body, and rock-soil bodies are easy to destabilize due to repeated rising and falling of the water level, so that the stability of the building is influenced.
In order to reduce the disaster influence of various unstable landslides on buildings, research on the influence of landslide surge on the structure of the buildings is imperative. At present, the effect of landslide surge on buildings is not studied, but the landslide surge on piers is still studied a few, once landslide occurs, the violent surge which is aroused can cause serious damage to the piers, and the serious consequences such as overturning, rushing and the like are caused.
Therefore, it is necessary to develop an experimental apparatus and method for the impact of landslide surge on bridge pier.
Disclosure of Invention
The invention aims to provide a simulation experiment device and method for the impact of landslide surge on a pier.
The technical scheme adopted for achieving the purpose of the invention is that the simulation experiment device for the impact of landslide surge on the pier comprises a water tank, the pier, a sliding groove, a side bridge, a pressure sensor and a wave height sensor.
The basin is the rectangular channel that the level was placed, all is provided with bank slope on this rectangular channel's the both sides wall along its length direction. Both the two bank slopes are fixed with piers, and the connecting line of the upper end points of the two piers is vertical to the length direction of the water tank.
Every evenly be provided with a plurality of pressure sensor on the pier, every pressure sensor all sends information collection to PC terminal through multi-functional signal acquisition appearance.
And a sliding groove is arranged on one bank slope and is close to the end part of the water tank.
And a side bridge is arranged in the water tank, is positioned between the pier and the sliding groove, and has the same distance from the two piers to the side bridge, wherein the distance is 10-20 cm.
Connecting lines of the bottom ends of the two piers and a landslide point of the sliding groove are respectively L1 and L2, a cross position of L1 and the side bridge is marked as A, and a cross position of L2 and the side bridge is marked as B. Two wave height sensors are respectively arranged at A and B.
The two wave height sensors send the collected information to the UBL-2 ultrasonic wave/water level collecting and analyzing instrument, and the UBL-2 ultrasonic wave/water level collecting and analyzing instrument sends the processed data to the PC terminal.
And a high-speed camera is arranged beside each wave height sensor and is used for treating the shot bridge piers.
Furthermore, a plurality of measuring holes are arranged from the bottom to the top of the pier, and the distance between every two adjacent measuring holes is 2-5 cm. The measuring hole is arranged on one side of the pier facing the sliding groove, and the aperture of the measuring hole is matched with the aperture of the pressure sensor. And the pressure sensors are arranged in the measuring holes.
Further, the spout includes pier stud I, pier stud II, slide bar and slide, and two pier studs I and two pier studs II are all vertical fixed on the bank slope. The connecting line of the upper end points of the two pier columns I is parallel to the length direction of the water tank, the connecting line of the upper end points of the two pier columns II is parallel to the length direction of the water tank, and the connecting line of the upper end points of the two pier columns I and the upper end points of the two pier columns II is rectangular.
Two sliding connection has the slide bar between the pier stud I, sliding connection has the slide bar between two pier studs II. A sliding plate is connected between the two sliding rods, and the inclination of the sliding plate is adjusted by sliding the two sliding rods.
Further, every be provided with if dry concrete platform on the bank slope, if dry concrete platform evenly arranges along the length direction of basin. And a plurality of screws are embedded in each concrete platform.
Furthermore, the bottom of each pier is connected with a plastic plate, and the plastic plate is provided with a plurality of threaded holes. And a plurality of screws on the concrete platform penetrate through threaded holes on the plastic plate, and each screw is screwed into a nut.
The experimental method for simulating the impact of landslide surge on the bridge pier is based on the experimental device and comprises the following steps:
1) and finishing the installation of the simulation experiment device for the impact of landslide surge on the bridge pier.
2) And putting water into the water tank, and putting the sliding block on the inclined sliding plate.
3) And detecting the running state of each instrument to ensure that all the instruments run normally.
4) And starting the high-speed camera, the pressure sensor and the wave height sensor.
5) The slide block falls into the water from the slide plate, surges, and the surges are spread on the water surface and impact the bridge pier.
6) The high-speed camera finishes video data acquisition, the pressure sensor finishes pressure data acquisition, and the wave height sensor finishes full-time wave height acquisition.
7) And discharging the water in the water tank, unloading the piers and replacing the piers with piers of different shapes.
8) And (3) repeating the steps 1) to 7) until the bridge piers in all shapes are tested, and inputting a plurality of groups of obtained test data into a PC terminal.
The experimental method for simulating the impact of landslide surge on the bridge pier is based on the experimental device and comprises the following steps:
1) and finishing the installation of the simulation experiment device for the impact of landslide surge on the bridge pier.
2) And putting water into the water tank, and putting the sliding block on the inclined sliding plate.
3) And detecting the running state of each instrument to ensure that all the instruments run normally.
4) And starting the high-speed camera, the pressure sensor and the wave height sensor.
5) The slide block falls into the water from the slide plate, surges, and the surges are spread on the water surface and impact the bridge pier.
6) The high-speed camera finishes video data acquisition, the pressure sensor finishes pressure data acquisition, and the wave height sensor finishes full-time wave height acquisition.
7) And discharging the water in the water tank, screwing out the nut at the bottom of the pier, and connecting the bottom of the pier with another concrete platform.
8) And (4) repeating the steps 1) to 7) until all the piers on the concrete platform are tested, and inputting a plurality of groups of obtained test data into a PC terminal.
The invention has the beneficial effects that:
1. the method can more accurately simulate the geographical environment and the distance of landslide in reality by changing the position of the bridge pier;
2. the method can simulate the difference and the difference of landslide impact pressures borne by piers of various shapes in reality more flexibly by changing the shapes of the piers;
3. the pressure sensor, the wave height sensor and the high-speed camera can accurately record the whole process of surge generation and propagation, the multifunctional signal acquisition instrument acquires and analyzes pressure data of the pier impacted by the surge, and the impact influence of landslide surge on the pier in actual engineering can be effectively reduced.
Drawings
FIG. 1 is a schematic diagram of an experimental device for simulating the impact of landslide surge on a pier;
FIG. 2 is a diagram of a concrete platform position;
FIG. 3 is a schematic view of a bridge pier;
fig. 4 is a schematic view of the chute.
In the figure: the device comprises a water tank 1, a bank slope 101, a concrete platform 1011, a pier 2, a sliding chute 3, a pier column I301, a pier column II 302, a sliding rod 303, a sliding plate 304, a side bridge 4, a multifunctional signal acquisition instrument 5, a PC terminal 6, a UBL-2 ultrasonic wave/water level acquisition analyzer 7, a pressure sensor 8 and a wave height sensor 9.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses landslide surge is to pier impact simulation experiment device, including basin 1, pier 2, spout 3, side bridge 4 and pressure sensor 8 and wave height sensor 9.
Referring to fig. 1, the water tank 1 is a horizontally disposed rectangular tank, and bank slopes 101 are disposed on two side walls of the rectangular tank along the length direction of the rectangular tank. Piers 2 are fixed on the two bank slopes 101, and a connecting line of upper end points of the two piers 2 is perpendicular to the length direction of the water tank 1.
Referring to fig. 3, in order to ensure the measurement accuracy and facilitate the installation of instruments, a plurality of measuring holes are drilled on one side of the pier 2 facing the sliding chute (3) by using a tapping cutter, and measuring holes are arranged every 3cm from the bottom of the pier to the top of the pier, wherein the hole diameter of each measuring hole is 2 cm. The calibers of the pressure sensors 8 are matched with the aperture of the measuring hole, the pressure sensors 8 are installed in the measuring holes, and each pressure sensor 8 sends collected information to the PC terminal 6 through the multifunctional signal collector 5.
One bank slope 101 is provided with a chute 3, and the chute 3 is close to the end part of the water tank 1. Referring to fig. 4, the sliding chute 3 includes a pier stud i 301, a pier stud ii 302, a sliding rod 303 and a sliding plate 304, wherein the two pier studs i 301 and the two pier studs ii 302 are vertically fixed on the bank slope 101. The connecting line of the upper end points of the two pier studs I301 is parallel to the length direction of the water tank 1, the connecting line of the upper end points of the two pier studs II 302 is parallel to the length direction of the water tank 1, and the connecting line of the upper end points of the two pier studs I301 and the upper end points of the two pier studs II 302 is rectangular.
A sliding rod 303 is connected between the two pier studs I301 in a sliding mode, and a sliding rod 303 is connected between the two pier studs II 302 in a sliding mode. A sliding plate 304 is connected between the two sliding rods 303, and the inclination of the sliding plate 304 is adjusted by sliding the two sliding rods 303.
Referring to fig. 1, a side bridge 4 is arranged in the water tank 1, the side bridge 4 is located between the bridge piers 2 and the sliding chute 3, and the distance between each of the two bridge piers 2 and the side bridge 4 is 10 cm.
Connecting lines of the bottom ends of the two piers 2 and a landslide point of the sliding chute 3 are respectively L1 and L2, a crossing point of L1 and the side bridge 4 is marked as A, and a crossing point of L2 and the side bridge 4 is marked as B. The two wave height sensors 9 are installed at positions a and B, respectively, and the wave heights measured at positions a and B replace the wave heights reaching the pier 2.
The two wave height sensors 9 send the collected information to the UBL-2 ultrasonic wave/water level collecting and analyzing instrument 7, and the UBL-2 ultrasonic wave/water level collecting and analyzing instrument 7 sends the processed data to the PC terminal 6.
And a high-speed camera is arranged beside each wave height sensor 9, is opposite to the pier 2 to be shot and is used for shooting the climbing height of surge on the pier 2 and the change condition of waves around the pier 2.
Referring to fig. 2, each bank slope 101 is provided with a plurality of dry concrete platforms 1011, and the dry concrete platforms 1011 are uniformly arranged along the length direction of the water tank 1. A plurality of screws are embedded in each concrete platform 1011.
The bottom of each pier 2 is connected with a plastic plate, and a plurality of threaded holes are formed in the plastic plates. A plurality of screws on the concrete platform 1011 pass through threaded holes on the plastic plate, and each screw is screwed into a nut. When the position of the pier 2 needs to be moved, the pier 2 is installed on the next concrete platform 1011 only by screwing out the nut. When the bridge piers 2 in different shapes need to be tested, the original bridge piers 2 are disassembled, and the bridge piers 2 in other shapes are installed on the concrete platform 1011.
Example 2:
the embodiment discloses an experiment method for simulating the impact of landslide surge on a pier, which is based on the experiment device in the embodiment 1 and comprises the following steps:
1) and finishing the installation of the simulation experiment device for the impact of landslide surge on the bridge pier.
2) An appropriate amount of water is put into the water tank 1, and the slider is placed on the inclined slide plate 304.
3) And detecting the running state of each instrument to ensure that all the instruments run normally.
4) The high speed camera, pressure sensor 8 and wave height sensor 9 are turned on.
5) The slide block falls into the water from the slide plate 304, and surges which are spread on the water surface and impact the pier 2.
6) And the high-speed camera finishes video data acquisition. The pressure sensor 8 finishes pressure data acquisition and sends the acquired data to the multifunctional signal acquisition instrument 5, and the multifunctional signal acquisition instrument 5 analyzes the data and sends the analysis result to the PC terminal 6. The wave height sensor 9 finishes full-time wave height acquisition, transmits acquired information to the UBL-2 ultrasonic wave/water level acquisition analyzer 7, and the UBL-2 ultrasonic wave/water level acquisition analyzer 7 transmits processed data to the PC terminal 6.
7) Discharging the water in the water tank 1, unloading the bridge piers 2 and replacing the bridge piers 2 with different shapes.
8) Repeating the steps 1) to 7) until all the shapes of the pier 2 are tested.
Example 3:
the embodiment discloses an experiment method for simulating the impact of landslide surge on a pier, which is based on the experiment device in the embodiment 1 and comprises the following steps:
1) and finishing the installation of the simulation experiment device for the impact of landslide surge on the bridge pier.
2) An appropriate amount of water is put into the water tank 1, and the slider is placed on the inclined slide plate 304.
3) And detecting the running state of each instrument to ensure that all the instruments run normally.
4) The high speed camera, pressure sensor 8 and wave height sensor 9 are turned on.
5) The slide block falls into the water from the slide plate 304, and surges which are spread on the water surface and impact the pier 2.
6) And the high-speed camera finishes video data acquisition. The pressure sensor 8 finishes pressure data acquisition and sends the acquired data to the multifunctional signal acquisition instrument 5, and the multifunctional signal acquisition instrument 5 analyzes the data and sends the analysis result to the PC terminal 6. The wave height sensor 9 finishes full-time wave height acquisition, transmits acquired information to the UBL-2 ultrasonic wave/water level acquisition analyzer 7, and the UBL-2 ultrasonic wave/water level acquisition analyzer 7 transmits processed data to the PC terminal 6.
7) The water in the water tank 1 is discharged, the nut at the bottom of the pier 2 is screwed out, and the bottom of the pier 2 is connected to another concrete platform 1011.
8) And (3) repeating the steps 1) to 7) until all the piers 2 on the concrete platform 1011 are tested.
Example 4:
the embodiment discloses landslide surge is to pier impact simulation experiment device, including basin 1, pier 2, spout 3, side bridge 4 and pressure sensor 8 and wave height sensor 9.
Referring to fig. 1, the water tank 1 is a horizontally disposed rectangular tank, and bank slopes 101 are disposed on two side walls of the rectangular tank along the length direction of the rectangular tank. Piers 2 are fixed on the two bank slopes 101, and a connecting line of upper end points of the two piers 2 is perpendicular to the length direction of the water tank 1.
Every evenly be provided with a plurality of pressure sensor 8 on the pier 2, every pressure sensor 8 all sends information collection to PC terminal 6 through multi-functional signal acquisition appearance 5.
Referring to fig. 1, a sliding groove 3 is arranged on one bank slope 101, and the sliding groove 3 is close to the end part of the water tank 1.
A side bridge 4 is arranged in the water tank 1, the side bridge 4 is located between the bridge piers 2 and the sliding groove 3, and the distance between each of the two bridge piers 2 and the corresponding side bridge 4 is 20 cm.
Connecting lines of the bottom ends of the two piers 2 and a landslide point of the sliding chute 3 are respectively L1 and L2, a crossing point of L1 and the side bridge 4 is marked as A, and a crossing point of L2 and the side bridge 4 is marked as B. The two wave height sensors 9 are installed at positions a and B, respectively, and the wave heights measured at positions a and B replace the wave heights reaching the pier 2.
The two wave height sensors 9 send the collected information to the UBL-2 ultrasonic wave/water level collecting and analyzing instrument 7, and the UBL-2 ultrasonic wave/water level collecting and analyzing instrument 7 sends the processed data to the PC terminal 6.
And a high-speed camera is arranged beside each wave height sensor 9, is opposite to the pier 2 to be shot and is used for shooting the climbing height of surge on the pier 2 and the change condition of waves around the pier 2.
Example 5:
the main structure of this embodiment is the same as that of embodiment 4, and further, referring to fig. 3, in order to ensure the measurement accuracy and facilitate the installation of the instrument, a plurality of measuring holes are drilled on one side of the pier 2 facing the sliding groove (3) by using a hole-opening cutting machine, and measuring holes are arranged every 5cm from the bottom of the pier to the top of the pier, and the aperture of each measuring hole is 2 cm. The calibers of the pressure sensors 8 are matched with the bore diameters of the measuring holes, and the pressure sensors 8 are arranged in the measuring holes.
Example 6:
the main structure of this embodiment is the same as that of embodiment 5, and further, referring to fig. 4, the chute 3 includes a pier stud i 301, a pier stud ii 302, a sliding rod 303, and a sliding plate 304, and both the pier studs i 301 and the pier studs ii 302 are vertically fixed on the bank slope 101. The connecting line of the upper end points of the two pier studs I301 is parallel to the length direction of the water tank 1, the connecting line of the upper end points of the two pier studs II 302 is parallel to the length direction of the water tank 1, and the connecting line of the upper end points of the two pier studs I301 and the upper end points of the two pier studs II 302 is rectangular.
A sliding rod 303 is connected between the two pier studs I301 in a sliding mode, and a sliding rod 303 is connected between the two pier studs II 302 in a sliding mode. A sliding plate 304 is connected between the two sliding rods 303, and the inclination of the sliding plate 304 is adjusted by sliding the two sliding rods 303.
Example 7:
the main structure of this embodiment is the same as that of embodiment 6, and further, referring to fig. 2, each bank slope 101 is provided with a plurality of dry concrete platforms 1011, and the dry concrete platforms 1011 are uniformly arranged along the length direction of the water tank 1. A plurality of screws are embedded in each concrete platform 1011.
Example 8:
the main structure of the embodiment is the same as that of embodiment 7, and further, the bottom of each pier 2 is connected with a plastic plate, and the plastic plate is provided with a plurality of threaded holes. A plurality of screws on the concrete platform 1011 pass through threaded holes on the plastic plate, and each screw is screwed into a nut. When the position of the pier 2 needs to be moved, the pier 2 is installed on the next concrete platform 1011 only by screwing out the nut. When the bridge piers 2 in different shapes need to be tested, the original bridge piers 2 are disassembled, and the bridge piers 2 in other shapes are installed on the concrete platform 1011.
Claims (7)
1. Landslide is shoved and is strikeed simulation experiment device to pier, its characterized in that: comprises a water tank (1), a pier (2), a chute (3), a side bridge (4), a pressure sensor (8) and a wave height sensor (9);
the water tank (1) is a horizontally placed rectangular tank, and bank slopes (101) are arranged on two side walls of the rectangular tank along the length direction of the rectangular tank; both the two bank slopes (101) are fixed with piers (2), and a connecting line of upper end points of the two piers (2) is vertical to the length direction of the water tank (1);
a plurality of pressure sensors (8) are uniformly arranged on each pier (2), and each pressure sensor (8) transmits acquired information to a PC terminal (6) through a multifunctional signal acquisition instrument (5);
a sliding chute (3) is arranged on one bank slope (101), and the sliding chute (3) is close to the end part of the water tank (1);
a side bridge (4) is arranged in the water tank (1), the side bridge (4) is positioned between the bridge piers (2) and the sliding groove (3), the distance between the two bridge piers (2) and the side bridge (4) is equal, and the distance is 10 cm-20 cm;
connecting lines between the bottom ends of the two piers (2) and a landslide point of the sliding chute (3) are respectively L1 and L2, the intersection of L1 and the side bridge (4) is marked as A, and the intersection of L2 and the side bridge (4) is marked as B; the two wave height sensors (9) are respectively arranged at A and B;
the two wave height sensors (9) send the collected information to the UBL-2 ultrasonic wave/water level collecting analyzer (7), and the UBL-2 ultrasonic wave/water level collecting analyzer (7) sends the processed data to the PC terminal (6);
and a high-speed camera is arranged beside each wave height sensor (9), and the high-speed camera is just treating the shot pier (2).
2. The experimental device for simulating the impact of landslide surge on pier according to claim 1, characterized in that: the bridge pier (2) is provided with a plurality of measuring holes from the bottom to the top, and the distance between every two adjacent measuring holes is 2-5 cm; the measuring hole is arranged on one side of the pier (2) facing the sliding chute (3), and the aperture of the measuring hole is matched with the aperture of the pressure sensor (8); the pressure sensors (8) are arranged in the measuring holes.
3. The experimental device for simulating the impact of landslide surge on pier according to claim 1, characterized in that: the sliding groove (3) comprises a pier column I (301), a pier column II (302), a sliding rod (303) and a sliding plate (304), wherein the two pier columns I (301) and the two pier columns II (302) are vertically fixed on the bank slope (101); the connecting line of the upper end points of the two pier columns I (301) is parallel to the length direction of the water tank (1), the connecting line of the upper end points of the two pier columns II (302) is parallel to the length direction of the water tank (1), and the connecting line of the upper end points of the two pier columns I (301) and the upper end points of the two pier columns II (302) is rectangular;
a sliding rod (303) is connected between the two pier columns I (301) in a sliding manner, and a sliding rod (303) is connected between the two pier columns II (302) in a sliding manner; a sliding plate (304) is connected between the two sliding rods (303), and the inclination of the sliding plate (304) is adjusted by sliding the two sliding rods (303).
4. The experimental device for simulating the impact of landslide surge on pier according to claim 1, characterized in that: a plurality of dry concrete platforms (1011) are arranged on each bank slope (101), and the dry concrete platforms (1011) are uniformly arranged along the length direction of the water tank (1); and a plurality of screws are embedded in each concrete platform (1011).
5. The landslide surge to pier impact simulation experiment device of claim 4, wherein: the bottom of each pier (2) is connected with a plastic plate, and a plurality of threaded holes are formed in the plastic plate; a plurality of screws on the concrete platform (1011) penetrate through threaded holes on the plastic plate, and each screw is screwed into a nut.
6. An experimental method for simulating the impact of landslide surge on a pier is based on the experimental device of claim 1, and is characterized in that: the method comprises the following steps:
1) completing the installation of the simulation experiment device for the impact of the landslide surge on the bridge pier;
2) putting water into the water tank (1), and putting the sliding block on the inclined sliding plate (304);
3) detecting the running state of each instrument to ensure that all the instruments run normally;
4) turning on the high speed camera, pressure sensor (8) and wave height sensor (9);
5) the sliding block falls into the water from the sliding plate (304), so that the surge is raised, and the surge is spread on the water surface and impacts the pier (2);
6) the high-speed camera finishes video data acquisition, the pressure sensor (8) finishes pressure data acquisition, and the wave height sensor (9) finishes full-time wave height acquisition;
7) discharging the water in the water tank (1), unloading the piers (2) and replacing the piers (2) with different shapes;
8) and (3) repeating the steps 1) to 7) until the experiment of the pier (2) with all shapes is completed, and inputting a plurality of groups of obtained experimental data into a PC terminal (6).
7. An experimental method for simulating the impact of landslide surge on a pier is based on the experimental device of claim 1, and is characterized in that: the method comprises the following steps:
1) completing the installation of the simulation experiment device for the impact of the landslide surge on the bridge pier;
2) putting water into the water tank (1), and putting the sliding block on the inclined sliding plate (304);
3) detecting the running state of each instrument to ensure that all the instruments run normally;
4) turning on the high speed camera, pressure sensor (8) and wave height sensor (9);
5) the sliding block falls into the water from the sliding plate (304), so that the surge is raised, and the surge is spread on the water surface and impacts the pier (2);
6) the high-speed camera finishes video data acquisition, the pressure sensor (8) finishes pressure data acquisition, and the wave height sensor (9) finishes full-time wave height acquisition;
7) discharging the water in the water tank (1), screwing out the nut at the bottom of the pier (2), and connecting the bottom of the pier (2) with another concrete platform (1011);
8) and (3) repeating the steps 1) to 7) until all the piers (2) on the concrete platform (1011) are tested, and inputting a plurality of groups of obtained test data into the PC terminal (6).
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| CN112484957A (en) * | 2020-08-06 | 2021-03-12 | 重庆交通大学 | Device and method for testing acting force of landslide surge on slope type wharf-wharf boat-ship model system |
| CN112629819B (en) * | 2021-01-08 | 2021-12-28 | 福州大学 | Tidal wave simulation experiment structure based on wharf and working method thereof |
| CN113390733B (en) * | 2021-05-07 | 2022-07-29 | 河海大学 | Bridge column pile soaking section critical dynamic load damage experimental device and method |
| CN113552317A (en) * | 2021-06-18 | 2021-10-26 | 中国科学院武汉岩土力学研究所 | Collapse landslide, surge and river blockage disaster chain generation overall process test device and test method |
| CN114775520A (en) * | 2022-05-06 | 2022-07-22 | 重庆交通大学 | Stretching assembly type emergency flood control structure and assembly construction method thereof |
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| CN102587315A (en) * | 2012-02-07 | 2012-07-18 | 重庆交通大学 | Model platform for slide surge tests and method for researching original waves |
| CN103196650B (en) * | 2013-03-06 | 2015-07-01 | 水利部交通运输部国家能源局南京水利科学研究院 | Device and method to imitate sea bore in hydraulic model test |
| CN104699892B (en) * | 2015-01-22 | 2017-08-01 | 三峡大学 | Study of Landslides swell propagation rule and its model predicted Dam life and method |
| CN108519212B (en) * | 2018-03-20 | 2020-05-26 | 常州大学 | Angle-adjustable landslide surge height and dynamic pressure monitoring device and method |
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