CN111827242A - Soil slope stability monitoring and early warning device - Google Patents
Soil slope stability monitoring and early warning device Download PDFInfo
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- CN111827242A CN111827242A CN201910313401.5A CN201910313401A CN111827242A CN 111827242 A CN111827242 A CN 111827242A CN 201910313401 A CN201910313401 A CN 201910313401A CN 111827242 A CN111827242 A CN 111827242A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Soil Sciences (AREA)
- Analytical Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to a soil slope stability monitoring and early warning device, which mainly comprises: the device comprises a side slope (1), measuring rod sections (2), a sensor (3), a sensor bottom probe (4), a rod body (5) which is formed by tightly and fixedly connecting a plurality of rod sections (2) in an engaged manner, a clamp type connector (6), an early warning device (7) and a prompt signal lamp (8); according to the invention, a plurality of measuring rod sections (2) are fixedly connected through a clamp type connector (6) to form a measuring rod body (5), the measuring rod body is inserted into a side slope (1), a sensor (3) is arranged at the bottom end position of the rod body (5), a probe (4) for measuring soil body moisture is installed at the bottom of the sensor (3), gauze is used for wrapping, and a signal is transmitted to the outside in a signal lamp (8) mode through an early warning device (7) when the water content change condition in the collected side slope soil body. The device has the advantages of simple structure, easy operation and wide application range, and can indirectly monitor the stability of the soil slope through the change of the water content in the slope.
Description
Technical Field
The invention relates to the field of soil slope monitoring, in particular to a monitoring system for monitoring water content information of a soil body and judging whether a slope is safe or not according to collected information.
Background
Water is a main influence factor of slope instability, the volume water content in the slope is increased through infiltration of rainfall, a transient saturation area appears in a local area, the shear strength parameter of a saturated soil body is reduced along with the increase of the rainfall for a long time, a slip surface appears in the slope, the stability of the whole slope is endangered all the time, and the lives and properties of people are seriously threatened. The traditional slope monitoring technology mainly comprises: group defense group survey, geodetic precision measurement, station setting observation and the like. The group defense group measurement relies on monitoring the level of a main body, the monitoring data is summarized, and the reporting period is too long; the large-scale precision measurement method needs a large number of high-precision optical and photoelectric measuring instruments, and cannot monitor the slope body sliding trend in time; the station-setting observation method has the disadvantages of multiple measurement tasks, complicated measurement process and great precision influence.
Disclosure of Invention
The invention discloses a soil slope stability monitoring and early warning device; the device mainly includes: the device comprises a measuring rod section (2), a sensor (3), a sensor bottom probe (4) wrapped by gauze, a rod body (5) tightly connected by a plurality of rod sections, a clamp type connector (6), an early warning device (7) and a prompt signal lamp (8); wherein, a plurality of measuring rod sections of the body of rod pass through clamp connector zonulae occludens, the sensor is laid respectively in the difference rod section bottom and circumference surface measure the different degree of depth department soil information of slope, sensor bottom probe is installed in the bottom of moisture content sensor, will collect the water content change situation in the slope soil and pass through early warning device with signal lamp form to external transmission signal.
A soil slope stability monitoring and early warning device, a serial communication port, body of rod (5) material is anticorrosive, corrosion resistance's rust-resistant aluminium system steel pipe, buries respectively in the different degree of depth positions of side slope, is provided with mutual gomphosis structure between rod festival (2), is provided with clamp formula connector (6) fixed at the gomphosis position, improves the stability of the body of rod.
A soil slope stability monitoring and early warning device, its characterized in that, sensor (3) bury moisture content sensor (3 a) of depths soil body moisture content and displacement sensor (3b) of measuring the displacement of the pole body including the measuring pole body, moisture content sensor lays in different pole sections (2) bottom, displacement sensor evenly distributed is on the circumference surface of the bottom top 40cm of pole section (2), arranges according to the quincunx type.
The soil slope stability monitoring and early warning device is characterized in that a probe (4) is arranged at the bottom of a water content sensor and used for measuring the water content of a soil body; and the sensor (3) wraps the original soil with gauze, and the original soil is filled in the hole after the original soil is put into the drilled hole.
The soil slope stability monitoring and early warning device is characterized in that the early warning device (7) comprises an acousto-optic early warning and signal remote sending mode, and when the water content of a soil body exceeds a safety range, the early warning device sends out an early warning signal and a prompt signal lamp (8) and remotely sends early warning information to a receiving terminal.
The invention has the beneficial effects that: the device monitors whether the side slope is safe or not through the relative displacement of the measuring rod in the side slope, judges whether the side slope is safe or not according to the change of the water content in the soil body of the side slope, automatically alarms when the safety range is exceeded, is less in limitation, and can monitor the safety of the side slope more accurately. Compared with the traditional monitoring mode of judging the safety of the side slope through displacement, the method can accurately and efficiently perform the early warning of the side slope.
Drawings
Fig. 1 is a schematic structural diagram of the early warning monitoring device of the present invention.
FIG. 2 is a schematic view of a measuring rod structure according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the soil slope stability monitoring and early warning device comprises a slope (1), a measuring rod section (2), a sensor (3), a sensor bottom probe (4), a rod body (5), a clamp type connector (6), an early warning device (7) and a prompt signal lamp (8); wherein the rod body (5) is formed by tightly connecting a plurality of measuring rod sections (2), and the connecting part is fixed by a clamp type connector (6); the sensors (3) are respectively arranged at the bottom of the rod body (5) and the circumferential surface, and transmit monitored information to the outside in a signal lamp mode (8) through the early warning device (7).
1. Determining the monitoring range of the side slope (1), flattening the uneven part as much as possible, and simultaneously removing side slope broken stones and easily loosened stones; and drilling by using a geological drilling machine, wherein the drilling depth is determined according to the embedding position of the sensor.
2. The rod body (5) is formed by tightly connecting a plurality of rod sections (2). The rod body (5) is vertically installed in the soil body of the side slope (1) at a horizontal distance of two meters, mutual embedding structures are arranged between the rod sections (2), and the clamp type connector (6) is arranged at the embedding position for fixation, so that the stability of the rod body is improved.
3. The sensors (3) are respectively arranged on the rod sections (2) at different positions of the rod body every 10cm, and a plurality of sensors are arranged according to the measurement purpose to measure the water content information at different depths under the earth surface.
4. After the sensor (3) wraps the original soil with gauze and is put into a drilled hole, the hole is filled with the original soil, a sensor cable channel is reserved and connected with the early warning device (7), and an early warning signal and a prompt signal lamp (8) are sent to the outside.
5. In conclusion, the method is different from the mode of monitoring whether the side slope is safe or not by measuring the displacement change of the rod, and the stability of the side slope is judged according to the change of the water content of the soil body of the side slope; when the side slope is subjected to rainfall, the side slope may slide integrally, the relative displacement between the measuring rods is not changed, whether the side slope is safe or not can not be accurately judged by utilizing the change of the displacement, and the safety and the stability of the side slope are judged according to the change of the water content of the soil body, so that the limitation is small, and the stability of the side slope can be accurately judged relative to the change of the displacement.
Claims (4)
1. The utility model provides a soil slope stability monitoring and early warning device which characterized in that, the device mainly includes: the device comprises a measuring rod section (2), a sensor (3), a sensor bottom probe (4) wrapped by gauze, a rod body (5) tightly connected by a plurality of rod sections, a clamp type connector (6), an early warning device (7) and a prompt signal lamp (8); wherein, a plurality of measuring rod festival (2) of body of rod (5) pass through clamp formula connector (6) zonulae occludens, sensor (3) include moisture content sensor (3 a) and displacement sensor (3b), lay respectively on the bottom top 40 cm's of different rod festival bottoms and rod festival circumferential surface, measure different degree of depth department moisture content of side slope and displacement change information, sensor bottom probe (4) are installed in the bottom of moisture content sensor (3 a), will collect the interior moisture content change condition of side slope soil and pass through early warning device (7) with signal lamp (8) form outside transmission signal.
2. The soil slope stability monitoring and early warning device according to claim 1, wherein the rod body (5) is made of anticorrosive and corrosion-resistant anticorrosive aluminum steel pipes, the anticorrosive and corrosion-resistant anticorrosive aluminum steel pipes are respectively embedded at different depths of the slope, mutual embedding structures are arranged among the rod sections (2), and a clamp type connector (6) is arranged at the embedding position for fixation, so that the stability of the fixed rod body is improved.
3. The soil slope stability monitoring and early warning device according to claim 1, wherein the sensors (3) comprise moisture content sensors (3 a) for measuring moisture content of soil body deep in the buried position of the rod body and displacement sensors (3b) for measuring displacement of the rod body, the moisture content sensors are arranged at the bottom ends of different rod sections (2), and the displacement sensors are uniformly distributed on the circumferential surface 40cm above the bottoms of the different rod sections (2) and are arranged according to a quincunx pattern.
4. The soil slope stability monitoring and early warning device according to claim 1, wherein the early warning device (7) comprises an acousto-optic early warning and signal remote sending mode, and when the water content of the soil body exceeds a safety range or the displacement change exceeds a range, an early warning signal and a prompt signal lamp are sent out, and early warning information is remotely sent to a receiving terminal. Because the slope stability monitoring through the displacement change has large limitation, the invention mainly focuses on the early warning effect through monitoring the abnormity of the water content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313401.5A CN111827242A (en) | 2019-04-18 | 2019-04-18 | Soil slope stability monitoring and early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313401.5A CN111827242A (en) | 2019-04-18 | 2019-04-18 | Soil slope stability monitoring and early warning device |
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| Publication Number | Publication Date |
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| CN111827242A true CN111827242A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910313401.5A Pending CN111827242A (en) | 2019-04-18 | 2019-04-18 | Soil slope stability monitoring and early warning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155203A (en) * | 2021-05-25 | 2021-07-23 | 哈尔滨工业大学 | High and cold region slope multiple sensing information fusion and intelligent monitoring system and monitoring method |
| CN113866015A (en) * | 2021-08-06 | 2021-12-31 | 中铁七局集团第三工程有限公司 | Modular staggered sliding monitoring device for high and steep slope |
| CN115684545A (en) * | 2022-10-25 | 2023-02-03 | 水利部海河水利委员会海河流域水土保持监测中心站 | Water and soil instability warning device and system for abandoned slag yard |
-
2019
- 2019-04-18 CN CN201910313401.5A patent/CN111827242A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155203A (en) * | 2021-05-25 | 2021-07-23 | 哈尔滨工业大学 | High and cold region slope multiple sensing information fusion and intelligent monitoring system and monitoring method |
| CN113155203B (en) * | 2021-05-25 | 2022-11-29 | 哈尔滨工业大学 | High and cold area slope multiple sensing information fusion and intelligent monitoring system and monitoring method |
| CN113866015A (en) * | 2021-08-06 | 2021-12-31 | 中铁七局集团第三工程有限公司 | Modular staggered sliding monitoring device for high and steep slope |
| CN113866015B (en) * | 2021-08-06 | 2024-04-30 | 中铁七局集团第三工程有限公司 | Modularized staggered sliding monitoring device for high and steep side slope |
| CN115684545A (en) * | 2022-10-25 | 2023-02-03 | 水利部海河水利委员会海河流域水土保持监测中心站 | Water and soil instability warning device and system for abandoned slag yard |
| CN115684545B (en) * | 2022-10-25 | 2024-04-02 | 水利部海河水利委员会海河流域水土保持监测中心站 | Water and soil instability warning device and system for waste slag field |
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