CN114032873A - Filling soil body settlement deformation monitoring device and installation method thereof - Google Patents
Filling soil body settlement deformation monitoring device and installation method thereof Download PDFInfo
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- CN114032873A CN114032873A CN202111423578.4A CN202111423578A CN114032873A CN 114032873 A CN114032873 A CN 114032873A CN 202111423578 A CN202111423578 A CN 202111423578A CN 114032873 A CN114032873 A CN 114032873A
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- 239000002689 soil Substances 0.000 title claims abstract description 74
- 238000012806 monitoring device Methods 0.000 title claims abstract description 64
- 238000009434 installation Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 48
- 238000004062 sedimentation Methods 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000007774 longterm Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E02D1/08—Investigation of foundation soil in situ after finishing the foundation structure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
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- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a filling soil body settlement deformation monitoring device and an installation method thereof, wherein the device comprises an installation pipe and a first connecting pipe; a clamping seat is arranged in the mounting pipe, a clamping groove is arranged in the clamping seat, the clamping groove is used for fixing a sensor system, and the sensor system is used for monitoring sedimentation deformation; the installation pipes are multiple, and two adjacent installation pipes are connected through a first connection pipe; the tail end of the monitoring device is also provided with a second connecting pipe, one end of the second connecting pipe is connected with the mounting pipe at the tail end, and the other end of the second connecting pipe is positioned on the soil body backfill line; cables of the sensor systems sequentially penetrate through the mounting pipe and the first connecting pipe and penetrate out of the other end of the second connecting pipe; by adopting the scheme, uninterrupted long-term monitoring can be realized, the filling settlement deformation position is obtained, and the data is reliable.
Description
Technical Field
The invention relates to the technical field of settlement deformation monitoring, in particular to a filling soil body settlement deformation monitoring device and an installation method thereof.
Background
In infrastructure construction, when projects such as roads, airports, buildings, water conservancy projects, port wharfs and the like are built, most of the projects are subjected to topographic conditions, the foundations need to be filled with soil, filling soil bodies with different heights are formed, the filling soil bodies have different degrees of non-uniform settlement deformation after construction or completion and influence the safety of an upper building structure due to different filling soil body compactness, and therefore, a large amount of long-term monitoring work needs to be carried out on the settlement deformation of the filling soil bodies after the project construction and completion.
At present, manual inspection and settlement plate monitoring are mainly adopted for monitoring the settlement deformation of the filled soil body. The manual inspection is that field personnel macroscopically observe the surface of the filled soil body to find deformation signs, and the method can only find the deformation signs with larger sedimentation and cannot obtain specific sedimentation amount; the settlement plate monitoring mainly depends on burying a settlement pipe in the filling soil, heightening the settlement pipe to the filling soil construction surface and installing the settlement plate, and measuring the elevation of the settlement plate by adopting a level gauge outside the field.
Disclosure of Invention
The invention aims to solve the technical problems that the existing settlement monitoring device cannot perform uninterrupted monitoring, has large interference on site construction and cannot obtain the position of filled soil settlement deformation, and provides a filled soil settlement deformation monitoring device and an installation method thereof.
The invention is realized by the following technical scheme:
a filling soil body settlement deformation monitoring device comprises a mounting pipe and a first connecting pipe;
a clamping seat is arranged in the mounting pipe, a clamping groove is arranged in the clamping seat, the clamping groove is used for fixing a sensor system, and the sensor system is used for monitoring sedimentation deformation; the installation pipes are multiple, and two adjacent installation pipes are connected through a first connection pipe;
the tail end of the monitoring device is also provided with a second connecting pipe, one end of the second connecting pipe is connected with the mounting pipe at the tail end, and the other end of the second connecting pipe is positioned on the soil body backfill line; a plurality of the cable wires of the sensor system sequentially penetrate through the installation pipe and the first connecting pipe and penetrate out from the other end of the second connecting pipe.
Compared with the problems that the settlement monitoring device cannot monitor continuously, has large interference on site construction and cannot obtain the position of the filled soil settlement deformation in the prior art, the scheme provides the filled soil settlement deformation monitoring device, and by adopting the scheme, the uninterrupted long-term monitoring can be realized, the filled soil settlement deformation position can be obtained, and the data is reliable; specifically, a mounting pipe is arranged at each monitoring node, wherein a clamping seat is arranged in each mounting pipe, a clamping groove for fixing a sensor system is arranged in each clamping seat, and each sensor system can independently monitor the settlement deformation of each monitoring node; a first connecting pipe is connected between two adjacent mounting pipes, the mounting pipes are connected with the first connecting pipe in sequence, the number of the corresponding mounting pipes is selected according to the number of designed monitoring nodes, and the first connecting pipe with the corresponding length is selected according to the distance between two adjacent mounting pipes; and the opening part of the installation pipe at the tail end is also connected with one end of a second connecting pipe, at the moment, the other end of the second connecting pipe is required to be positioned above a soil body backfill line, all cable wires sequentially penetrate out of the installation pipe and the first connecting pipe, and finally penetrate out of the other end of the second connecting pipe to be connected to a data acquisition system.
Further optimizing, the first connecting pipe and the second connecting pipe are both stainless steel mixed braided pipes; for enabling independent deformation of each mounting tube portion.
Further optimization, the installation pipe is a stainless steel threaded pipe; and the device is used for preventing damage caused by compaction of the upper filling.
The quick-connection mounting structure is further optimized to further comprise a reducing nut and a quick-connection nut, the two ends of the first connecting pipe and one end of the second connecting pipe are respectively provided with the rotatable quick-connection nut, the two ends of the mounting pipe are respectively in threaded connection with the reducing nut, the large-diameter end of the reducing nut is provided with an internal thread matched with the mounting pipe, and the small-diameter end of the reducing nut is provided with an external thread matched with the quick-connection nut; for quick installation.
Preferably, the head end of the monitoring device is provided with an end cover, and the end cover is provided with an internal thread matched with the mounting pipe; for plugging the initial end of the detection device.
Further optimization, rubber sealing gaskets are arranged in the large-diameter end of the reducing nut, the quick-connection nut and the end cover; the device is used for preventing the underground water from damaging the monitoring device.
Further optimization, the clamping seat is a cylindrical rubber clamping seat, and the outer diameter of the clamping seat is matched with the inner diameter of the installation pipe; for securing and protecting the sensor system.
Preferably, the other end of the second connecting pipe is provided with a rubber plug, and the rubber plug is provided with a through hole for a cable to pass through; is used for playing a role of water resistance.
Further optimizing, the sensor system comprises a three-axis acceleration sensor, a gyroscope sensor and a three-axis magnetic field sensor;
further optimization, the installation method of the filling soil body settlement deformation monitoring device comprises the following steps:
s1: designing the burying depth of the monitoring device and the positions of monitoring nodes according to the height of a filling soil body;
s2: calculating the distance between two adjacent monitoring nodes according to the position of each monitoring node, and selecting a first connecting pipe with a corresponding length;
s3: then connecting the sensor system with a cable, fixing the sensor system in the clamping seat, and then installing the clamping seat in the installation pipe;
s4: sequentially connecting the installation pipe and the first connecting pipe, and arranging a second connecting pipe at the tail end of the monitoring device, so that the cable of each sensor system sequentially penetrates through the installation pipe and the first connecting pipe and finally penetrates out of the other end of the second connecting pipe;
s5: secondly, backfilling a soil body, placing the detection device at a design position when the backfilled soil body is backfilled to the embedding depth of the monitoring device, and fixing the other end of the second connecting pipe to be higher than the backfilling line height of the soil body;
s6: and after the filled soil body is backfilled to the height of the soil body backfilling line, connecting the cable wires of all the sensor systems with the data acquisition system respectively.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the method can realize uninterrupted long-term monitoring, obtain the settlement deformation position of the filled soil and ensure reliable data;
2. the monitoring device equipment connecting pipe part can be flexibly bent and the pipe wall is waterproof, so that each equipment installation pipe part can independently deform without interfering with the adjacent equipment installation pipe parts;
3. the monitoring device can meet various different field monitoring requirements, can be horizontally/vertically embedded, and can also be installed at will according to the field requirements;
4. the monitoring device is of a metal full-sealing structure, and the monitoring device cannot be damaged by soil filling and rolling at the upper part and underground water;
5. the monitoring device adopts the nut as the connecting piece, can assemble the installation fast.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
fig. 1 is a partial schematic view of a filling soil body settlement deformation monitoring device provided by the invention;
fig. 2 is a schematic structural diagram of a filling soil body settlement deformation monitoring device provided by the invention.
Reference numbers and corresponding part names in the drawings:
the method comprises the following steps of 1-installing a pipe, 2-clamping seat, 3-sensor system, 4-reducing nut, 5-rubber sealing washer, 6-first connecting pipe, 7-quick connecting nut, 8-second connecting pipe, 9-end cover, 10-rubber plug, 11-original ground line and 12-soil body backfill line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a filling soil body settlement deformation monitoring device, as shown in fig. 1 and 2, comprising a mounting pipe 1 and a first connecting pipe 6;
a clamping seat 2 is arranged in the mounting pipe 1, a clamping groove is arranged in the clamping seat 2, the clamping groove is used for fixing a sensor system 3, and the sensor system 3 is used for monitoring sedimentation deformation; the installation pipe 1 is provided with a plurality of installation pipes, and two adjacent installation pipes 1 are connected through a first connection pipe 6;
the tail end of the monitoring device is also provided with a second connecting pipe 8, one end of the second connecting pipe 8 is connected with the installation pipe 1 at the tail end, and the other end of the second connecting pipe 8 is positioned on a soil body backfill line 12; a plurality of sensor system 3's cable conductor all passes installation pipe 1 and first connecting pipe 6 in proper order, and follows the second connecting pipe 8 other end is worn out.
Compared with the problems that the settlement monitoring device cannot monitor continuously, has large interference on site construction and cannot obtain the position of the filled soil settlement deformation in the prior art, the scheme provides the filled soil settlement deformation monitoring device, and by adopting the scheme, the uninterrupted long-term monitoring can be realized, the filled soil settlement deformation position can be obtained, and the data is reliable; specifically, a mounting pipe 1 is arranged at each monitoring node, wherein a clamping seat 2 is arranged in the mounting pipe 1, a clamping groove for fixing a sensor system 3 is arranged in the clamping seat 2, and each sensor system 3 can independently monitor the settlement deformation of the respective monitoring node; a first connecting pipe 6 is connected between two adjacent mounting pipes 1, the mounting pipes 1 are connected with the first connecting pipe 6 in sequence, wherein the number of the corresponding mounting pipes 1 is selected according to the number of designed monitoring nodes, and the first connecting pipe 6 with the corresponding length is selected according to the distance between two adjacent mounting pipes 1; and the opening part of the installation pipe 1 at the tail end is also connected with one end of a second connecting pipe 8, at the moment, the other end of the second connecting pipe 8 is required to be positioned above a soil body backfill line 12, all cables sequentially penetrate out of the installation pipe 1 and the first connecting pipe 6, and finally penetrate out of the other end of the second connecting pipe 8 to be connected to a data acquisition system, at the moment, the data acquisition system can acquire settlement deformation data of each detection node in real time through the cables and the sensor system 3, uninterrupted long-term monitoring is realized, and a settlement deformation position of the filled soil is obtained.
In this embodiment, the first connecting pipe 6 and the second connecting pipe 8 are both stainless steel hybrid braided pipes; for making each installation pipe 1 part independently take place to warp, in this scheme, wherein first connecting pipe 6 and second connecting pipe 8 are the mixed pipe of weaving of stainless steel, but first connecting pipe 6 and second connecting pipe 8 flexible bending this moment make each equipment fixing pipe 1 independently take place to warp and do not disturb to closing on 1 part of equipment fixing pipe, and be stainless steel matter, can prevent that upper portion from filling out soil and rolling and causing the destruction, its pipe wall still has water-proof effects.
In this embodiment, the installation pipe 1 is a stainless steel threaded pipe; and the device is used for preventing damage caused by compaction of the upper filling.
In the embodiment, the quick-connection mounting structure further comprises a reducing nut 4 and a quick-connection nut 7, wherein the rotatable quick-connection nut 7 is arranged at each of two ends of the first connecting pipe 6 and one end of the second connecting pipe 8, the reducing nuts 4 are screwed at two ends of the mounting pipe 1, the large-diameter end of each reducing nut 4 is provided with an internal thread matched with the mounting pipe 1, and the small-diameter end of each reducing nut 4 is provided with an external thread matched with the quick-connection nut 7; in order to realize quick installation, the detection device is provided with a reducing nut 4 and a quick-connection nut 7, wherein the reducing nut 4 is arranged at each of two ends of an installation pipe 1, a large-diameter end of the reducing nut 4 is in threaded connection with the installation pipe 1, a small-diameter end of the reducing nut 4 is in threaded connection with the quick-connection nut 7 on a first connection pipe 6, and the detection device is quickly installed; wherein the quick-connection nut 7 and the reducing nut 4 are preferably made of stainless steel.
In this embodiment, the head end of the monitoring device is provided with an end cover 9, and the end cover 9 is provided with an internal thread matched with the installation pipe 1; for the originated tip of shutoff detection device, in this scheme, be equipped with end cover 9 at detection device's originated tip, wherein the internal thread size of end cover 9 and the external screw thread size phase-match of installation pipe 1 realize threaded connection, shutoff detection device's originated tip, wherein end cover 9 is stainless steel end cover 9 for prevent that upper portion from filling out soil and rolling and causing the destruction.
In the embodiment, rubber sealing gaskets 5 are arranged in the large-diameter end of the reducing nut 4, the quick-connection nut 7 and the end cover 9; in order to prevent groundwater from damaging the monitoring device, in the scheme, a large-size rubber sealing washer 5 is arranged in the large-diameter end of the reducing nut 4 and the end cover 9, the outer diameter of the washer is consistent with the inner diameter of the reducing nut 4 and the end cover 9, a small-size rubber sealing washer 5 is arranged in the quick-connection nut 7, the outer diameter of the washer is consistent with the inner diameter of the quick-connection nut 7, and the monitoring device is connected more tightly through the rubber sealing washer 5 to play a waterproof role.
In this embodiment, the clamping seat 2 is a cylindrical rubber clamping seat 2, and the outer diameter of the clamping seat 2 is matched with the inner diameter of the installation pipe 1; for fixing and protecting sensor system 3, in this scheme, wherein cassette 2 establishes to cylindric rubber cassette 2, and its external diameter and the internal diameter looks adaptation of installation pipe 1 can fix sensor system 3 in installation pipe 1, and cassette 2 adopts the flexible sensor system 3 of fixing of rubber for play absorbing guard action.
In this embodiment, the other end of the second connecting pipe 8 is provided with a rubber plug 10, and the rubber plug 10 is provided with a through hole for a cable to pass through; in order to play a waterproof role, in the scheme, a rubber plug 10 is arranged in the quick-connection nut 7 at the other end of the second connecting pipe 8, wherein a through hole is formed in the rubber plug 10, and the size of the through hole is consistent with that of a cable of the sensor system 3.
In this embodiment, the sensor system 3 includes a three-axis acceleration sensor, a gyroscope sensor, and a three-axis magnetic field sensor;
example 2
The embodiment 2 is further optimized on the basis of the embodiment 1, and provides an installation method of a filling soil body settlement deformation monitoring device, which includes the following steps:
s1: designing the burying depth of the monitoring device and the positions of monitoring nodes according to the height of a filling soil body;
s2: calculating the distance between two adjacent monitoring nodes according to the position of each monitoring node, and selecting a first connecting pipe 6 with a corresponding length;
s3: then connecting the sensor system 3 with a cable, fixing the sensor system in the clamping seat 2, and then installing the clamping seat 2 in the installation pipe 1;
s4: sequentially connecting the installation pipe 1 and the first connecting pipe 6, and arranging a second connecting pipe 8 at the tail end of the monitoring device, so that the cable of each sensor system 3 sequentially penetrates through the installation pipe 1 and the first connecting pipe 6 and finally penetrates out of the other end of the second connecting pipe 8;
s5: then backfilling the soil body, when the backfilled soil body is backfilled to the embedding depth of the monitoring device, placing the detection device at the designed position, and fixing the other end of the second connecting pipe 8 at a height higher than the soil body backfilling line 12;
s6: and when the filled soil body is backfilled to the height of the soil body backfilling line 12, connecting the cable wires of all the sensor systems 3 with the data acquisition system respectively.
The specific working principle of the scheme is as follows:
firstly, according to the height of the filled soil body, the burying depth of the monitoring device and the positions of all monitoring nodes (the positions of the sensor systems 3) are designed.
Secondly, calculating the distance between every two adjacent monitoring nodes according to the designed positions of the monitoring nodes, and then selecting the stainless steel hybrid woven tube with the same distance according to the distance between the adjacent monitoring nodes; the length of the stainless steel hybrid braided tube at the tail end (cable penetrating end) of the monitoring device is ensured to expose the soil body backfill line 12 after the monitoring device is installed.
Thirdly, assembling monitoring nodes at the starting end of the monitoring device:
connecting a sensor system 3 with a cable and then fixing the sensor system in a fixing clamping seat 2, then installing the fixing clamping seat 2 in an installation pipe 1, and enabling the cable to penetrate out of one end of the installation pipe 1; placing a large-size rubber sealing washer 5 into an end cover 9, and screwing the end cover 9 and the installation pipe 1 tightly; the rubber seal ring 5 of the large size is placed into the reducing nut 4, the cable penetrates out of the reducing nut 4, then the reducing nut 4 is screwed with the installation pipe 1, and the monitoring node assembly of the starting end of the monitoring device is completed.
Fourthly, assembling the rest monitoring nodes of the monitoring device:
connecting a sensor system 3 with a cable and then fixing the sensor system in a fixing clamping seat 2, then installing the fixing clamping seat 2 in an installation pipe 1, and enabling the cable to penetrate out of one end of the installation pipe 1; placing a large-size rubber sealing washer 5 into the reducing nut 4, and screwing the reducing nut 4 and one side of the installation pipe 1 tightly; placing a large-size rubber sealing washer 5 into the reducing nut 4, enabling the cable to penetrate out of the reducing nut 4, and then screwing the reducing nut 4 and the other side of the installation pipe 1 to complete the assembly of one monitoring node in the middle section of the monitoring device; and assembling the rest monitoring nodes according to the steps.
Fifthly, connecting each monitoring node:
placing 2 small-size rubber sealing gaskets 5 into the quick-connection nuts 7 at two ends of the stainless steel hybrid braided tube, enabling the cable to penetrate out of the quick-connection nuts 7, and then screwing the quick-connection nuts 7 at the side with the reducing nuts 4; then the cable conductor is threaded out of the adjacent monitoring node, and the quick-connection nut 7 on the other side is connected with the reducing nut 4 of the adjacent monitoring node. According to the steps, the connection of all monitoring nodes is completed, it needs to be noted that cables of all monitoring nodes need to penetrate out of the installation pipe 1 and the stainless steel mixed weaving pipe of the next stage from the starting end monitoring node, and finally are collected in the tail end quick-connection nut 7 of the monitoring device to penetrate out.
And (3) passing the rubber plug 10 through all the monitoring node cables and installing the cables in the quick-connection nut 7 at the tail end of the monitoring device.
Sixthly, mounting of monitoring device
And (3) backfilling a soil body on the original ground line 11, placing the monitoring device at a designed position when the filled soil body is backfilled to the embedding depth of the designed monitoring device, and fixing the rubber plug 10 section at a height higher than the soil body backfilling line 12.
Seventhly, the monitoring device is connected with the data acquisition system
After the filled soil body is backfilled to the height of the soil body backfilling line 12, connecting cable wires of all monitoring nodes at the rubber plugs 10 with a data acquisition system respectively, and completing installation of the whole monitoring device.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A filling soil body settlement deformation monitoring device is characterized by comprising an installation pipe (1) and a first connecting pipe (6);
a clamping seat (2) is arranged in the mounting pipe (1), a clamping groove is arranged in the clamping seat (2), the clamping groove is used for fixing a sensor system (3), and the sensor system (3) is used for monitoring sedimentation deformation; the installation pipes (1) are multiple, and every two adjacent installation pipes (1) are connected through a first connecting pipe (6);
the tail end of the monitoring device is also provided with a second connecting pipe (8), one end of the second connecting pipe (8) is connected with the mounting pipe (1) at the tail end, and the other end of the second connecting pipe (8) is positioned on a soil body backfill line (12); a plurality of the cable wires of the sensor system (3) sequentially penetrate through the installation pipe (1) and the first connecting pipe (6) and penetrate out from the other end of the second connecting pipe (8).
2. A filled soil mass settlement deformation monitoring device according to claim 1 wherein the first connecting pipe (6) and the second connecting pipe (8) are both stainless steel hybrid braided pipes.
3. A filled soil settlement deformation monitoring device according to claim 1 or 2 wherein the mounting pipe (1) is a stainless steel threaded pipe.
4. The filled soil body settlement deformation monitoring device according to claim 3, further comprising a reducing nut (4) and a quick-coupling nut (7), wherein both ends of the first connecting pipe (6) and one end of the second connecting pipe (8) are provided with the rotatable quick-coupling nut (7), both ends of the mounting pipe (1) are respectively screwed with the reducing nut (4), the large-diameter end of the reducing nut (4) is provided with an internal thread matched with the mounting pipe (1), and the small-diameter end of the reducing nut (4) is provided with an external thread matched with the quick-coupling nut (7).
5. A filled soil body settlement deformation monitoring device according to claim 4 wherein the head end of the monitoring device is provided with an end cap (9), the end cap (9) being provided with an internal thread for engaging with the mounting pipe (1).
6. A filled soil body settlement deformation monitoring device according to claim 5, wherein rubber sealing gaskets (5) are arranged in the large-diameter end of the reducing nut (4), the quick-connection nut (7) and the end cover (9).
7. The filling soil body settlement deformation monitoring device of claim 1, wherein the clamping seat (2) is a cylindrical rubber clamping seat, and the outer diameter of the clamping seat (2) is matched with the inner diameter of the installation pipe (1).
8. The filled soil body settlement deformation monitoring device as claimed in claim 1, wherein the other end of the second connecting pipe (8) is provided with a rubber plug (10), and the rubber plug (10) is provided with a through hole for a cable to pass through.
9. A filled soil settlement deformation monitoring device according to claim 1 wherein the sensor system (3) comprises a three-axis acceleration sensor, a gyroscope sensor and a three-axis magnetic field sensor.
10. The method for installing a filled soil settlement deformation monitoring device according to any one of claims 1 to 9, comprising the steps of:
s1: designing the burying depth of the monitoring device and the positions of monitoring nodes according to the height of a filling soil body;
s2: calculating the distance between two adjacent monitoring nodes according to the position of each monitoring node, and selecting a first connecting pipe (6) with a corresponding length;
s3: then connecting the sensor system (3) with a cable, fixing the sensor system in the clamping seat (2), and then installing the clamping seat (2) in the installation pipe (1);
s4: sequentially connecting the mounting pipe (1) and the first connecting pipe (6), and arranging a second connecting pipe (8) at the tail end of the monitoring device, so that a cable of each sensor system (3) sequentially penetrates through the mounting pipe (1) and the first connecting pipe (6) and finally penetrates out of the other end of the second connecting pipe (8);
s5: then backfilling the soil body, when the backfilled soil body is backfilled to the embedding depth of the monitoring device, placing the detection device at the designed position, and fixing the other end of the second connecting pipe (8) at a height higher than the soil body backfilling line (12);
s6: and when the filled soil body is backfilled to the height of the soil body backfilling line (12), connecting the cable wires of all the sensor systems (3) with the data acquisition system respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111423578.4A CN114032873A (en) | 2021-11-26 | 2021-11-26 | Filling soil body settlement deformation monitoring device and installation method thereof |
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| CN202111423578.4A CN114032873A (en) | 2021-11-26 | 2021-11-26 | Filling soil body settlement deformation monitoring device and installation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839704A (en) * | 2023-02-13 | 2023-03-24 | 常州金土木工程仪器有限公司 | Inclination measuring and torsion measuring integrated equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103994753A (en) * | 2014-06-13 | 2014-08-20 | 太原理工大学 | Layered settlement device and layered settlement measuring method for loess filler high fill embankment |
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Application publication date: 20220211 |