CN217811246U - Comprehensive monitoring device for loess fill foundation containing silt layer - Google Patents
Comprehensive monitoring device for loess fill foundation containing silt layer Download PDFInfo
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- CN217811246U CN217811246U CN202221285486.4U CN202221285486U CN217811246U CN 217811246 U CN217811246 U CN 217811246U CN 202221285486 U CN202221285486 U CN 202221285486U CN 217811246 U CN217811246 U CN 217811246U
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Abstract
The utility model relates to a geological engineering technical field just discloses a to loess fill ground comprehensive monitoring device who contains silt layer, including seting up the loess fill ground that two deep holes contain silt layer and setting up solar panel and the battery on the ground, comprehensive monitoring device includes: the system comprises a ground surface settlement monitoring unit, a water content monitoring unit, a pore water pressure monitoring unit, a data acquisition and transmission system and a sensor embedding rod. This comprehensive monitoring devices of loess fill ground to containing silt layer is subsided deformation, loess fill ground soil body moisture content change and loess fill ground pore water pressure change by cloud platform storage loess fill ground earth's surface to draw the time series curve that the earth's surface subsides, moisture content change and pore water pressure change, come comprehensive analysis loess fill ground subsides deformation law through this time series curve, make the sensor can not receive the silt layer when burying underground into the silt layer and influence.
Description
Technical Field
The utility model relates to a geological engineering technical field specifically is a fill ground comprehensive monitoring device to loess that contains silt layer.
Background
The existing filling foundation settlement monitoring system cannot realize comprehensive monitoring on the loess filling foundation containing the silt layer, so that a system for comprehensively monitoring the loess filling foundation containing the silt layer is necessary to be developed, and meanwhile, the loess filling foundation which is filled is different from the loess filling foundation which is synchronously installed during filling when the comprehensive monitoring system is installed, and a sensor cannot be embedded in the loess filling foundation containing the silt layer, so that the problem of hole collapse of the silt layer is faced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a to loess fill ground comprehensive monitoring device who contains silt layer possesses and to bury the sensor underground in the loess fill ground that contains the silt layer, to advantages such as geological monitoring, has solved the loess fill ground that has filled the completion, carries out the synchronous installation difference with filling during when carrying out the installation of comprehensive monitoring system, can't bury the sensor underground in the loess fill ground that contains the silt layer, faces the problem in the hole that collapses in the silt layer.
(II) technical scheme
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a to contain loess fill ground comprehensive monitoring device on silt layer, includes the loess fill ground and the solar panel and the battery of setting on the ground that set up two deep holes contain the silt layer that comprehensive monitoring device includes:
the earth surface settlement monitoring unit is arranged in one deep hole of the loess fill foundation and is used for measuring the earth surface settlement deformation of the loess fill foundation;
the water content monitoring unit is arranged in the other deep hole of the loess filling foundation and is used for monitoring the change condition of the water content of the loess filling foundation;
the pore water pressure monitoring unit is arranged in the same deep hole as the water content monitoring unit and is used for monitoring the change condition of the pore water pressure of the soil body of the loess filling foundation;
the data acquisition and transmission system is electrically connected with the surface settlement monitoring unit, the water content monitoring unit and the pore water pressure monitoring unit and is used for acquiring the data detected by the monitoring unit and uploading the acquired data to the data management and analysis platform;
the sensor embedding rod is composed of a plurality of extension rods and connecting nodes, wherein the connecting nodes are used for connecting and fixing the extension rods, are inserted into the deep holes and are equal to the depth of the deep holes, and are used for installing each monitoring unit.
The utility model has the advantages that:
this comprehensive monitoring devices of loess fill ground to containing silt layer, use the cloud platform to come from loess fill ground earth's surface settlement monitoring unit, the data that loess fill ground moisture content monitoring unit and loess fill ground pore water pressure monitoring unit gathered carry out digital signal processing, subside the deformation by cloud platform storage loess fill ground earth's surface, loess fill ground soil body moisture content change and loess fill ground pore water pressure change, and draw the earth's surface and subside, the time series curve of moisture content change and pore water pressure change, come comprehensive analysis loess fill ground settlement deformation law through this time series curve, make the sensor can not influenced by the silt layer when burying underground in the silt layer.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the earth's surface settlement monitoring unit is including the single-point settlement gauge that is used for measuring loess fill ground earth's surface settlement deformation, and moisture content monitoring unit is including the TDR hydrograph that is used for measuring loess fill ground moisture content variation, and pore water pressure monitoring unit is including the pore water pressure gauge that is used for measuring loess fill ground pore water pressure variation.
Further, TDR moisture meter, pore water pressure gauge and single-point settlement gauge all are connected with data acquisition transmission system through the wire, and the wire outside cover has the PPC pipe.
Furthermore, the data acquisition and transmission system comprises a data acquisition module and a DTU mobile phone internet module, all modules of the data acquisition and transmission system are connected in series by wires, and the data acquisition module and the DTU mobile phone internet module are connected in series and then powered by the solar panel.
Further, the data acquisition module comprises an A-type data acquisition module and an I-type data acquisition module, wherein the single-point settlement gauge and the pore water pressure gauge are electrically connected with the input end of the A-type data acquisition module, and the TDR moisture gauge is electrically connected with the input end of the I-type data acquisition module.
Further, the data management analysis system comprises a cloud platform, and the cloud platform is used for receiving the data uploaded by the data acquisition and transmission system, and managing and analyzing the data.
Furthermore, TDR moisture meter and pore water pressure gauge are tied up in the sensor through the sticky tape is crisscross and bury the pole outside underground, the below of single-point settlement gauge is provided with bottom anchor head, PVC pipe and pull rod, and the pull rod is fixed in bottom anchor head top central authorities, and the PVC pipe box connects in the bottom anchor head outside.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a detail view of the anchor head and extension bar of the single-point settlement gauge;
fig. 3 is a schematic diagram of the system of the present invention.
In the figure: 1. a TDR moisture meter; 2. a pore water pressure gauge; 3. a sensor burying rod; 4. a single point settlement gauge; 5. a data acquisition and transmission system; 6. connecting the nodes; 7. an A-type data acquisition module; 8. an I-type data acquisition module; 9. a DTU mobile phone internet module; 10. a solar panel; 11. a storage battery; 12. a cloud platform; 13. a first nylon cord; 14. a second nylon cord; 15. a bottom anchor head; 16. PVC pipes; 17. a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is given by fig. 1-3, a comprehensive monitoring device for loess fill foundation containing silt layer, the utility model discloses a including seting up two deep holes loess fill foundation containing silt layer and setting up solar panel 10 and the battery 11 on the ground, comprehensive monitoring device includes:
the earth surface settlement monitoring unit is arranged in one deep hole of the loess fill foundation and is used for measuring the earth surface settlement deformation of the loess fill foundation;
the water content monitoring unit is arranged in the other deep hole of the loess filling foundation and is used for monitoring the change condition of the water content of the loess filling foundation;
the pore water pressure monitoring unit is arranged in the same deep hole as the water content monitoring unit and is used for monitoring the change condition of the pore water pressure of the soil body of the loess filled foundation;
the data acquisition and transmission system 5 is electrically connected with the surface settlement monitoring unit, the water content monitoring unit and the pore water pressure monitoring unit and is used for acquiring the data detected by the monitoring unit and uploading the acquired data to the data management and analysis platform;
the sensor buries pole 3 underground, comprises a plurality of extension bars and connected node 6, and connected node 6 is used for the connection between the extension bar fixed, inserts in the deep hole and equals with the degree of depth of deep hole for each monitoring unit of installation.
The earth surface settlement monitoring unit comprises a single-point settlement gauge 4 for measuring the earth surface settlement deformation of the loess filling foundation, the moisture content monitoring unit comprises a TDR (time dependent variable) water content gauge 1 for measuring the moisture content change condition of the loess filling foundation, the pore water pressure monitoring unit comprises a pore water pressure gauge 2 for measuring the pore water pressure change condition of the loess filling foundation, the TDR water gauge 1, the pore water pressure gauge 2 and the single-point settlement gauge 4 are all connected with the data acquisition and transmission system 5 through leads, and PPC (polypropylene random copolymer) pipes are sleeved outside the leads;
the data acquisition and transmission system 5 comprises a data acquisition module and a DTU mobile phone internet module 9, all modules of the data acquisition and transmission system 5 are connected in series by wires, the data acquisition module and the DTU mobile phone internet module 9 are connected in series and then are powered by a solar panel 10, the data acquisition module comprises an A-type data acquisition module 7 and an I-type data acquisition module 8, wherein the single-point settlement gauge 4 and the pore water pressure gauge 2 are electrically connected with the input end of the A-type data acquisition module 7, and the TDR moisture gauge 1 is electrically connected with the input end of the I-type data acquisition module 8;
the TDR moisture meter 1 and the pore water pressure meter 2 are bound on the outer side of the sensor embedding rod 3 in a staggered mode through adhesive tapes, a bottom-layer anchor head 15, a PVC pipe 16 and a pull rod 17 are arranged below the single-point settlement meter 4, the pull rod 17 is fixed in the center of the top of the bottom-layer anchor head 15, and the PVC pipe 16 is sleeved on the outer side of the bottom-layer anchor head 15;
the data management and analysis system comprises a cloud platform 12, and the cloud platform 12 is used for receiving the data uploaded by the data acquisition and transmission system 5, and managing and analyzing the data.
Contain the loess fill ground earth surface settlement monitoring unit setting in the loess fill ground of silt layer, bury the installation step underground as follows:
(1) drilling according to the monitoring scheme, and ensuring that the drilled hole is vertical and needs to penetrate through a filling layer and an original stratum to reach a bedrock;
(2) determining the length of the extension rod according to the hole depth, and connecting the extension rod;
(3) connecting a bottom layer anchoring assembly consisting of a bottom layer anchor head 15, a PVC pipe 16 and a pull rod 17 with a section of extension rod, and then filling concrete into the PVC pipe 16;
(4) one end of a first nylon rope 13 is connected with a hemp rope on a PVC pipe 16, and the length of the rope is at least 3m longer than the depth of the hole;
(5) inserting the grouted anchoring assembly into the hole, lowering the anchoring assembly to the hole opening to connect with the next section of extension rod, and continuously inserting the anchoring assembly into the hole and connecting with the next section of extension rod; when the anchor head reaches a silt layer with shrinkage holes, binding a second nylon rope 14 at the lower part of the connecting node of the two extension bars, pressing the extension bars downwards with force, if the extension bars cannot penetrate the silt layer, pulling the extension bars and the second nylon rope 14 upwards, then quickly pressing the extension bars downwards, and repeating the steps until the anchor head penetrates the silt layer; then, continuously pressing the extension rods to connect all the extension rods, and finally connecting the single-point settlement meter 4;
(6) the last section of extension bar is pressed down forcibly until the bottom layer anchor head 15 is pressed to the bedrock and is not pressed;
(7) after the bottom-layer anchor head 15 is installed in place, the nylon ropes are pulled forcibly, the PVC pipe 16 is pulled out of the hole bottom, concrete slurry is sunk into the hole bottom, the bottom-layer anchor head 15 is anchored, and then the first nylon rope 13 and the second nylon rope 14 are cut off;
(8) the single-point settlement gauge 4 is monitored in the whole process by using the comprehensive tester, and the single-point settlement gauge 4 is ensured to be in the state of the maximum measuring range;
(9) backfilling with sand, and compacting;
after a single-point settlement meter 4 is arranged at the front part of the car body, a PPC pipe is sleeved on a test lead, and the groove is dug and led out to a data acquisition and transmission system 5.
The loess fill foundation moisture content monitoring unit who contains the silt layer sets up in filling the ground, buries underground the installation step as follows:
(1) drilling according to a monitoring scheme, ensuring that the drilled hole is vertical and needs to penetrate through a fill layer and an original stratum to reach a bedrock, wherein the diameter of the drilled hole is more than 20cm;
(2) according to the drilling depth, connecting the anchor head of the sensor embedding rod with the extension rod to form a sensor embedding rod 3, wherein the length of the sensor embedding rod 3 is equal to the drilling depth, and the extension rod is connected according to the sensor embedding depth to ensure that a connecting node 6 exists at each sensor embedding depth;
(3) according to the detection scheme, the TDR water gauge 1 is bound below a connecting node 6 of a sensor embedding rod 3 by using an adhesive tape according to the embedding depth of the TDR water gauge, so that the sensor is prevented from moving in a staggered way when being embedded and penetrated through a silt layer;
(4) backfilling with sand and compacting;
(5) PPC pipes are sleeved on the lead of the TDR moisture meter 1 for protection, and the grooves are led out to the data acquisition and transmission system 5.
The loess fill foundation pore water pressure monitoring unit containing the silt layer is arranged in the fill foundation and has the following embedding and installing steps:
(1) drilling according to the monitoring scheme, and ensuring that the drilled hole is vertical and the diameter of the drilled hole which needs to penetrate through the filling layer and the original stratum to reach the bedrock is more than 20cm;
(2) according to the drilling depth, connecting a sensor embedding rod anchor head and an extension rod to form a sensor embedding rod 3, wherein the length of the sensor embedding rod 3 is equal to the drilling depth, and the extension rod is connected according to the sensor embedding depth to ensure that a connecting node 6 exists at each sensor depth;
(3) according to the detection scheme, the pore water pressure gauge 2 is bound below a connecting node 6 of a sensor embedding rod by using an adhesive tape according to the embedding depth of the pore water pressure gauge 2, so that the sensor is prevented from moving in a staggered manner when being embedded and penetrated through a silt layer;
(4) backfilling with sand, and compacting;
(5) the PPC pipe is sleeved on a lead of the pore water pressure gauge 2 for protection, and the groove is dug and led out to the data acquisition and transmission system 5.
The installation step of the data acquisition and transmission system 5 is as follows:
(1) determining the installation position of the data acquisition and transmission system according to the actual situation on site, and installing a data acquisition and transmission box;
(2) installing a mobile phone internet traffic card into a DTU mobile phone internet module 9;
(3) the data acquisition module, the DTU mobile phone internet module 9 and the solar panel 10 are installed in series;
(4) a storage battery 11 is connected in parallel on the solar panel 10, so that normal power supply of the data acquisition and transmission system is ensured at night and in cloudy days;
(5) supplying power to the data acquisition and transmission system 5, turning on green lights and then turning off green lights of the A-type data acquisition module 7 and the I-type data acquisition module 8, and turning on green lights and turning on red lights and continuously flashing red lights of the DTU mobile phone internet module 9, so that the data acquisition and transmission system is determined to be normally connected;
the collected data are processed by the cloud platform 12, monitoring data of the single-point settlement gauge 4, the TDR moisture gauge 1 and the pore water pressure gauge 2 in the silt layer loess filling foundation are displayed and contained by the cloud platform 12, a time series curve of surface settlement, water content and pore water pressure of the silt layer loess filling foundation is drawn through excel, and the residual settlement amount, settlement time and settlement action mechanism of the silt layer loess filling foundation are comprehensively analyzed through the time series curve.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a to contain loess fill ground comprehensive monitoring device on silt layer, includes that set up two deep holes contain the loess fill ground on silt layer and solar panel (10) and battery (11) of setting on the ground, its characterized in that: the integrated monitoring device includes:
the earth surface settlement monitoring unit is arranged in one deep hole of the loess fill foundation and is used for measuring the earth surface settlement deformation of the loess fill foundation;
the water content monitoring unit is arranged in the other deep hole of the loess filling foundation and is used for monitoring the change condition of the water content of the loess filling foundation;
the pore water pressure monitoring unit is arranged in the same deep hole as the water content monitoring unit and is used for monitoring the change condition of the pore water pressure of the soil body of the loess filled foundation;
the data acquisition and transmission system (5) is electrically connected with the surface settlement monitoring unit, the water content monitoring unit and the pore water pressure monitoring unit and is used for acquiring the data detected by the monitoring unit and uploading the acquired data to the data management and analysis platform;
the sensor buries pole (3) underground, comprises a plurality of extension bars and connected node (6), and connected node (6) are used for the connection between the extension bar fixed, insert in the deep hole and equal with the degree of depth of deep hole for each monitoring unit of installation.
2. The comprehensive monitoring device for the loess fill foundation containing the sludge layer as claimed in claim 1, wherein: the earth's surface subsides monitoring unit is including single-point settlement gauge (4) that are used for measuring loess fill ground earth's surface settlement deformation, and moisture content monitoring unit is including TDR moisture meter (1) that is used for measuring loess fill ground moisture content variation conditions, and pore water pressure monitoring unit is including pore water pressure meter (2) that are used for measuring loess fill ground pore water pressure variation conditions.
3. The integrated monitoring device for loess filled foundation containing sludge layer as set forth in claim 2, wherein: TDR moisture meter (1), pore water pressure meter (2) and single-point settlement meter (4) all are connected with data acquisition transmission system (5) through the wire, and the wire outside cover has the PPC pipe.
4. The comprehensive monitoring device for the loess fill foundation containing the sludge layer as claimed in claim 2, wherein: the data acquisition and transmission system (5) comprises a data acquisition module and a DTU mobile phone internet module (9), all modules of the data acquisition and transmission system (5) are connected in series by wires, and the data acquisition module and the DTU mobile phone internet module (9) are connected in series and then powered by a solar panel (10).
5. The comprehensive monitoring device for the loess fill foundation containing the sludge layer as claimed in claim 4, wherein: the data acquisition module comprises an A-type data acquisition module (7) and an I-type data acquisition module (8), wherein the single-point settlement gauge (4) and the pore water pressure gauge (2) are electrically connected with the input end of the A-type data acquisition module (7), and the TDR moisture gauge (1) is electrically connected with the input end of the I-type data acquisition module (8).
6. The comprehensive monitoring device for the loess fill foundation containing the sludge layer as claimed in claim 1, wherein: the data management and analysis system comprises a cloud platform (12), wherein the cloud platform (12) is used for receiving data uploaded by the data acquisition and transmission system (5) and managing and analyzing the data.
7. The comprehensive monitoring device for the loess fill foundation containing the sludge layer as claimed in claim 2, wherein: TDR moisture meter (1) and pore water pressure gauge (2) are tied up in the sensor through the sticky tape is crisscross buries pole (3) outside underground, the below of single-point settlement meter (4) is provided with bottom anchor head (15), PVC pipe (16) and pull rod (17), and pull rod (17) are fixed in bottom anchor head (15) top central authorities, and PVC pipe (16) cup joint in bottom anchor head (15) outside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221285486.4U CN217811246U (en) | 2022-05-25 | 2022-05-25 | Comprehensive monitoring device for loess fill foundation containing silt layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221285486.4U CN217811246U (en) | 2022-05-25 | 2022-05-25 | Comprehensive monitoring device for loess fill foundation containing silt layer |
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| CN202221285486.4U Expired - Fee Related CN217811246U (en) | 2022-05-25 | 2022-05-25 | Comprehensive monitoring device for loess fill foundation containing silt layer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116642455A (en) * | 2023-03-22 | 2023-08-25 | 中国地质调查局武汉地质调查中心(中南地质科技创新中心) | Automatic monitoring system and method suitable for karst collapse |
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2022
- 2022-05-25 CN CN202221285486.4U patent/CN217811246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116642455A (en) * | 2023-03-22 | 2023-08-25 | 中国地质调查局武汉地质调查中心(中南地质科技创新中心) | Automatic monitoring system and method suitable for karst collapse |
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