CN117095514A - Foundation ditch side slope collapse prevention pre-alarm device - Google Patents
Foundation ditch side slope collapse prevention pre-alarm device Download PDFInfo
- Publication number
- CN117095514A CN117095514A CN202311301231.1A CN202311301231A CN117095514A CN 117095514 A CN117095514 A CN 117095514A CN 202311301231 A CN202311301231 A CN 202311301231A CN 117095514 A CN117095514 A CN 117095514A
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- copper
- alarm device
- copper pipe
- cable
- anchor rod
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- 230000002265 prevention Effects 0.000 title claims abstract description 10
- 239000002689 soil Substances 0.000 claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000010009 beating Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 97
- 229910052802 copper Inorganic materials 0.000 claims description 97
- 239000010949 copper Substances 0.000 claims description 97
- 238000007906 compression Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The application discloses a collapse prevention pre-alarm device for a foundation pit side slope, and relates to the technical field of foundation pit construction. The anchor rod is arranged in a soil body in a beating mode, anchor thorns or grouting fixing is arranged in the soil body, threads are arranged on the portion, exposed out of the soil body, of the anchor rod, the touch switch is arranged at the exposed thread end of the anchor rod, and an anchor backing plate is arranged between the touch switch and the soil body. The application can be arranged on the foundation pit slope and is perpendicular to the theoretical sliding surface of the soil body of the slope, and in the process of releasing the stress of the soil body of the slope, the deformation displacement of the soil body enables the anchor rod in the soil body to be pulled to be connected with a circuit so as to trigger the pre-warning device at the outer side of the foundation pit, so that the foundation pit constructor has sufficient escape time, and the occurrence of casualties caused by the collapse of the slope is effectively avoided.
Description
Technical Field
The application belongs to the technical field of foundation pit construction, and particularly relates to a foundation pit side slope collapse prevention pre-alarm device.
Background
The building safety production is related to the life and property safety and the vital interests of people. The safety production problem is always an insurmountable red line, and the safety accidents of pit collapse and high falling always occupy the first two positions of all safety accident types according to the safety accident statistics in the national construction field of the past year. In municipal integrated pipe network engineering in particular, the foundation pit and the groove are more, the range is large, the influence factors are more, and the risk coefficient of foundation pit collapse is large. Collapse of the pit slope due to instability may cause significant safety risks or accidents in the pit and surrounding building facilities. At present, the monitoring in the foundation pit construction process is carried out on site by adopting manual field measurement, and the construction site is monitored by adopting instruments such as a complete rotation instrument, a level gauge and a reading instrument.
In order to effectively reduce the probability of the safety accident of the collapse of the foundation pit, a pre-warning device is sought, when the soil displacement reaches a certain degree due to the stress release of the side slope of the foundation pit, the pre-warning device is triggered, and pre-warning information is provided for the safety management of the construction site, so that the constructors of the foundation pit have sufficient escape time, and the occurrence of casualties caused by the collapse of the side slope is effectively avoided.
Disclosure of Invention
The technical problem to be solved by the application is to provide the foundation pit side slope collapse prevention pre-alarm device which can be arranged on a foundation pit side slope and is perpendicular to a theoretical slip plane of a side slope soil body, and in the process of releasing the stress of the side slope soil body, the soil body deformation displacement enables an anchor rod in the soil body to be pulled to be connected with a circuit so as to trigger a foundation pit outside pre-alarm device, so that a foundation pit constructor has sufficient escape time, and the occurrence of casualties caused by the collapse of the side slope is effectively avoided.
In order to solve the technical problems, the application adopts the following technical scheme: the foundation pit side slope collapse prevention pre-alarm device comprises a touch switch and a pre-alarm system, wherein the touch switch is electrically connected with the pre-alarm system, an anchor rod is arranged in a soil body in a beating mode to be fixed by anchor thorns or grouting, threads are arranged on the portion, exposed out of the soil body, of the anchor rod, the touch switch is arranged at the exposed thread end of the anchor rod, and an anchor backing plate is arranged between the touch switch and the soil body;
the touch switch comprises a copper pipe, a copper cap and a spring, wherein one end of the copper pipe is open, one end of the copper pipe is closed, the copper cap is buckled outside the open end of the copper pipe and seals the opening of the copper pipe, the spring is arranged inside the copper pipe and the copper cap, and a threaded end of the anchor rod penetrates through the bottom of the copper pipe and the bottom of the copper cap and then is screwed with a nut; a fourth insulating sleeve is arranged at the joint of the anchor rod and the copper pipe and at the joint of the anchor rod and the copper cap;
a second insulating sleeve is arranged between the spring and the copper pipe, a rubber insulating pad is arranged on the inner bottom surface of the closed end of the copper pipe, one end of the spring is connected with the rubber insulating pad, the other end of the spring is connected with the inner bottom surface of the copper cap, a first insulating sleeve is sleeved outside the copper pipe, and a third insulating sleeve is sleeved outside the copper cap; the copper pipe is electrically connected with a first cable, and the copper cap is electrically connected with a second cable;
the pre-alarm system comprises a power supply, an acoustic alarm device and a mobile phone terminal signal transmitting device, wherein a cathode or an anode of the power supply is electrically connected with a third cable, the other pole of the power supply is electrically connected with the acoustic alarm device through a fourth cable, the acoustic alarm device is electrically connected with the mobile phone terminal signal transmitting device through a fifth cable, the mobile phone terminal signal transmitting device is electrically connected with a sixth cable, the third cable is electrically connected with the first cable, and the sixth cable is electrically connected with the second cable.
Preferably, a plurality of touch copper sheets are arranged on the inner wall of the copper cap, the opening end of the copper tube is longer than the first insulating sleeve, and in the spring compression process, the opening end of the copper tube can be in contact with the touch copper sheets.
Preferably, when the spring is in a natural relaxation state, a distance is arranged between the inner bottom surface of the copper cap and the opening end surface of the copper pipe, and the distance is determined according to the foundation pit side slope deformation control value.
The specific operation method of the pre-alarm device comprises the following steps:
s1: according to the theoretical slip crack surface after the foundation pit slope is excavated, an anchor rod is arranged perpendicular to the slip crack surface, the depth range is slightly larger than the radius of the slip crack surface, and a touch switch is arranged at the free end head of the anchor rod of the slope surface of the side slope;
s2: the anchor rod drives the touch switch to shrink when the slope stress releases soil displacement, and the copper pipe contacts with the touch copper sheet or the copper cap to form a closed loop;
s3: after the closed loop is communicated, the power supply supplies power to the sound alarm device and the mobile phone terminal signal transmitting device in the loop, so that the sound alarm device is started, the sound alarm device reminds site constructors, and meanwhile, the mobile phone terminal signal transmitting device transmits signals to the mobile phone terminal, so that management staff can acquire early warning information, and accordingly treatment measures are taken.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
1. according to the application, the displacement of the soil body released by the side slope stress is monitored in real time, so that the monitoring of the deformation of the soil body during the neutral period of daily monitoring is made up, and the time when the side slope displacement reaches each grading early warning value can be accurately monitored.
2. When the alarm of each grading early warning value is achieved, on-site operators can be immediately reminded, information transmission links are reduced, precious time is strived for life safety, meanwhile, the manager can also immediately acquire information, and help is provided for project safety management.
3. The application is applied in combination with slope deformation monitoring, can more effectively provide early warning information for the site and reduce the probability of occurrence of collapse casualties of the slope.
4. The application can be installed by arranging the anchor rods no matter whether the slope support exists or not, the monitoring density can be set according to the actual situation, the larger the setting density is, the better the monitoring effect is, the monitoring work can be completed without manual work, and the manual work is saved.
Drawings
FIG. 1 is a schematic cross-sectional view of a touch switch;
FIG. 2 is a schematic diagram of the connection of the pre-alarm system;
FIG. 3 is a schematic diagram of the application state of the present application;
in the figure: 1. copper pipe; 2. a copper cap; 3. a spring; 4. a first insulating sleeve; 5. a second insulating sleeve; 6. a third insulating sleeve; 7. a fourth insulating sleeve; 8. a bolt; 9. a nut; 10. touching the copper sheet; 11. a first cable; 12. a second cable; 13. a rubber insulating pad; 14. a third cable; 15. a power supply; 16. a fourth cable; 17. an audible alarm device; 18. a fifth cable; 19. a mobile phone terminal signal transmitting device; 20. a sixth cable; 21. an anchor backing plate; 22. and (3) touching the switch.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1-3, the pre-alarm device comprises a touch switch and a pre-alarm system, the touch switch is electrically connected with the pre-alarm system, an anchor rod 8 is arranged in a soil body in a beating mode to be fixed by anchor thorns or grouting, a part of the anchor rod 8 exposed out of the soil body is provided with threads, the touch switch is arranged at the exposed thread end of the anchor rod 8, and an anchor base plate 21 is arranged between the touch switch and the soil body.
As shown in fig. 1, the touch switch comprises a copper pipe 1, a copper cap 2 and a spring 3, wherein one end of the copper pipe 1 is open, the other end of the copper pipe is closed, the copper cap 2 is buckled outside the open end of the copper pipe 1 and seals the open end of the copper pipe 1, the spring 3 is arranged inside the copper pipe 1 and the copper cap 2, and the threaded end of an anchor rod 8 penetrates through the bottom of the copper pipe 1 and the bottom of the copper cap 2 and is connected with a nut 9 in a back-screwing mode. When the nut 9 is initially installed, the spring 3 is ensured to be in a natural loose state about to be stressed. A fourth insulating sleeve 7 is arranged at the joint of the anchor rod 8 and the copper pipe 1 and at the joint of the anchor rod 8 and the copper cap 2.
A second insulating sleeve 5 is arranged between the spring 3 and the copper pipe 1, a rubber insulating pad 13 is arranged on the inner bottom surface of the closed end of the copper pipe 1, one end of the spring 3 is connected with the rubber insulating pad 13, the other end is connected with the inner bottom surface of the copper cap 2, a first insulating sleeve 4 is sleeved outside the copper pipe 1, and a third insulating sleeve 6 is sleeved outside the copper cap 2; the copper pipe 1 is electrically connected with a first cable 11, and the copper cap 2 is electrically connected with a second cable 12;
the pre-alarm system comprises a power supply 15, an acoustic alarm device 17 and a mobile phone terminal signal transmitting device 19, wherein the cathode or anode of the power supply 15 is electrically connected with a third cable 14, the other pole of the power supply 15 is electrically connected with the acoustic alarm device 17 through a fourth cable 16, the acoustic alarm device 17 is electrically connected with the mobile phone terminal signal transmitting device 19 through a fifth cable 18, the mobile phone terminal signal transmitting device 19 is electrically connected with a sixth cable 20, the third cable 14 is electrically connected with the first cable 11, and the sixth cable 20 is electrically connected with the second cable 12.
The inner wall of the copper cap 2 is provided with a plurality of touch copper sheets 10, the opening end of the copper tube 1 is longer than the first insulating sleeve 4, and in the compression process of the spring 3, the opening end of the copper tube 1 can be contacted with the touch copper sheets 10, so that a power supply circuit is communicated, and a closed loop is formed.
When the spring 3 is in a natural relaxation state, a distance is arranged between the inner bottom surface of the copper cap 2 and the opening end surface of the copper pipe 1, and the distance is determined according to the foundation pit side slope deformation control value. When the side slope stress releases the soil body displacement, the anchor rod 8 drives the touch switch to shrink, namely the spring 3 is compressed, so that the copper pipe 1 is in graded contact with the touch copper sheet 10 or the copper cap 2, a closed loop is formed by a communication circuit, and graded early warning is realized.
The specific operation method and the steps of the application are as follows:
1. according to the theoretical slip crack surface after the excavation of the foundation pit slope, an anchor rod 8 is arranged perpendicular to the slip crack surface, the depth range is slightly larger than the radius of the slip crack surface, and a touch switch is arranged at the free end head of the slope surface anchor rod 8.
2. And when the side slope stress releases the soil body to displace, the anchor rod 8 drives the touch switch to shrink, and the copper pipe 1 contacts with the touch copper sheet 10 or the copper cap 2 to form a closed loop.
3. After the closed loop is communicated, the power supply 15 supplies power to the sound alarm device 17 and the mobile phone terminal alarm signal transmitting device 19 in the loop, so that the sound alarm device 17 is started, the on-site constructor is reminded, and meanwhile, the mobile phone terminal signal transmitting device 19 transmits signals to the mobile phone terminal, so that the manager can acquire early warning information, and accordingly, treatment measures are taken.
According to the slope design deformation control value, a touch switch which is equivalent to the control value is selected, so that the soil deformation displacement early warning condition can be practically reflected. According to the slope design deformation control value and the specification requirement, the setting position of the touch copper sheet 10 can be set to 60%, 80% of the control value and the like, and grading early warning information is provided for on-site early warning control. The sound alarm device 17 can be embodied in different sound effect forms according to different early warning information. Meanwhile, the mobile phone terminal signal transmitting device 19 provides grading early warning information for the mobile phone terminal.
The present application is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present application and the inventive concept thereof, can be replaced or changed within the scope of the present application.
Claims (4)
1. The foundation pit side slope collapse prevention pre-alarm device is characterized by comprising a touch switch and a pre-alarm system, wherein the touch switch is electrically connected with the pre-alarm system, an anchor rod is arranged in a soil body in a beating mode, anchor thorns or grouting fixation is arranged at the part, exposed out of the soil body, of the anchor rod is provided with threads, the touch switch is arranged at the exposed thread end of the anchor rod, and an anchor pad is arranged between the touch switch and the soil body;
the touch switch comprises a copper pipe, a copper cap and a spring, wherein one end of the copper pipe is open, one end of the copper pipe is closed, the copper cap is buckled outside the open end of the copper pipe and seals the opening of the copper pipe, the spring is arranged inside the copper pipe and the copper cap, and a threaded end of the anchor rod penetrates through the bottom of the copper pipe and the bottom of the copper cap and then is screwed with a nut; a fourth insulating sleeve is arranged at the joint of the anchor rod and the copper pipe and at the joint of the anchor rod and the copper cap;
a second insulating sleeve is arranged between the spring and the copper pipe, a rubber insulating pad is arranged on the inner bottom surface of the closed end of the copper pipe, one end of the spring is connected with the rubber insulating pad, the other end of the spring is connected with the inner bottom surface of the copper cap, a first insulating sleeve is sleeved outside the copper pipe, and a third insulating sleeve is sleeved outside the copper cap; the copper pipe is electrically connected with a first cable, and the copper cap is electrically connected with a second cable;
the pre-alarm system comprises a power supply, an acoustic alarm device and a mobile phone terminal signal transmitting device, wherein a cathode or an anode of the power supply is electrically connected with a third cable, the other pole of the power supply is electrically connected with the acoustic alarm device through a fourth cable, the acoustic alarm device is electrically connected with the mobile phone terminal signal transmitting device through a fifth cable, the mobile phone terminal signal transmitting device is electrically connected with a sixth cable, the third cable is electrically connected with the first cable, and the sixth cable is electrically connected with the second cable.
2. The foundation pit side slope collapse prevention pre-alarm device according to claim 1, wherein a plurality of touch copper sheets are arranged on the inner wall of the copper cap, the opening end of the copper tube is longer than the first insulating sleeve, and the opening end of the copper tube is contacted with the touch copper sheets in the spring compression process.
3. The foundation pit side slope collapse prevention pre-alarm device according to claim 1, wherein when the spring is in a natural relaxation state, a distance is arranged between the inner bottom surface of the copper cap and the opening end surface of the copper pipe, and the distance is determined according to a foundation pit side slope deformation control value.
4. The foundation pit side slope collapse prevention pre-alarm device according to claim 1, wherein the specific operation method of the pre-alarm device comprises the following steps:
s1: according to the theoretical slip crack surface after the foundation pit slope is excavated, an anchor rod is arranged perpendicular to the slip crack surface, the depth range is slightly larger than the radius of the slip crack surface, and a touch switch is arranged at the free end head of the anchor rod of the slope surface of the side slope;
s2: the anchor rod drives the touch switch to shrink when the slope stress releases soil displacement, and the copper pipe contacts with the touch copper sheet or the copper cap to form a closed loop;
s3: after the closed loop is communicated, the power supply supplies power to the sound alarm device and the mobile phone terminal signal transmitting device in the loop, so that the sound alarm device is started, the sound alarm device reminds site constructors, and meanwhile, the mobile phone terminal signal transmitting device transmits signals to the mobile phone terminal, so that management staff can acquire early warning information, and accordingly treatment measures are taken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311301231.1A CN117095514A (en) | 2023-10-10 | 2023-10-10 | Foundation ditch side slope collapse prevention pre-alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311301231.1A CN117095514A (en) | 2023-10-10 | 2023-10-10 | Foundation ditch side slope collapse prevention pre-alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117095514A true CN117095514A (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311301231.1A Pending CN117095514A (en) | 2023-10-10 | 2023-10-10 | Foundation ditch side slope collapse prevention pre-alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117095514A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629312A (en) * | 2024-01-26 | 2024-03-01 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
-
2023
- 2023-10-10 CN CN202311301231.1A patent/CN117095514A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117629312A (en) * | 2024-01-26 | 2024-03-01 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
| CN117629312B (en) * | 2024-01-26 | 2024-04-02 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
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