CN113418442A - Ground engineering deformation monitoring method - Google Patents
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- CN113418442A CN113418442A CN202110679199.5A CN202110679199A CN113418442A CN 113418442 A CN113418442 A CN 113418442A CN 202110679199 A CN202110679199 A CN 202110679199A CN 113418442 A CN113418442 A CN 113418442A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000002861 polymer material Substances 0.000 claims abstract description 89
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 83
- 239000002689 soil Substances 0.000 claims abstract description 63
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 65
- 238000005553 drilling Methods 0.000 claims description 29
- 238000010276 construction Methods 0.000 claims description 27
- 239000011148 porous material Substances 0.000 claims description 14
- 238000009412 basement excavation Methods 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims 1
- 230000006855 networking Effects 0.000 description 6
- 238000013329 compounding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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Abstract
The invention relates to a ground engineering deformation monitoring method, which comprises the following steps of; arranging conductive polymer material pipes which are arranged in pairs inside the ground engineering or inside the ground engineering and in soil layers at corresponding positions of the ground engineering; pairing the paired or grouped conductive high polymer material pipes in the same direction to form a monitoring network to form a current loop; and regularly testing the resistance of the current loop in the monitoring network, and monitoring the deformation condition of the ground engineering or the soil layer at the corresponding position of the ground engineering and the ground engineering according to the change condition of the resistance of the current loop. The monitoring net is formed by arranging the paired conductive high polymer material pipes in the ground engineering or the ground engineering and the soil layers at the corresponding positions of the ground engineering, so that the change condition of the monitored object can be judged according to the resistance change condition of the monitoring net, and the monitoring efficiency and the monitoring precision of the ground engineering are effectively improved.
Description
Technical Field
The invention relates to the technical field of engineering structures, in particular to a ground engineering deformation monitoring method.
Background
The ground collapse is a geological phenomenon that surface rocks and soil bodies collapse downwards under the action of natural or artificial factors to form collapse pits on the ground, has the characteristics of strong concealment, outburst and the like, and seriously threatens the life and property safety of people.
The main reasons for the collapse of the ground in the city are the influence left in the later stage of engineering construction, such as pumping and draining of underground water, breaking of a pipe network and scouring of a soil layer and the like. The field ground collapse is mainly caused by geological disasters, such as karst collapse, mining area collapse, collapsible loess collapse, collapse generated by channel roofs in basalt areas, and potential damage caused by debris flow, rainstorm, flood and the like.
When the ground collapse occurs in a common place where people move, casualty risks are inevitably brought to the moving people; if ground engineering (including general ground earthwork engineering, ground engineering constructed by concrete and other materials, such as roads, railways, highways, dams, slopes and the like) exists in the collapsed area, the engineering is inevitably damaged, and then the safe operation of passing vehicles is seriously threatened.
The ground collapse inducement system is the collapse of the soil body under the ground, so the soil body needs to be monitored; ground engineering such as roadbeds, dams, and side slopes may be damaged by the collapse of soil under the engineering, or by external factors (rainstorm, flood, debris flow, etc.), so that the engineering body needs to be monitored. Most of the existing monitoring technologies are monitoring the monitored objects at discrete points, monitoring instruments or measuring instruments are easily affected by external factors (people flow, traffic flow and the like), the measurement of the instruments is difficult, and sensors are easily damaged by construction machines, so that an efficient and proper monitoring method for preventing ground collapse or engineering damage is not provided for a long time.
In summary, it is a problem to be solved urgently that a monitoring method capable of being combined with an object, continuously and comprehensively reflecting the deformation condition of the object, and performing automatic acquisition at regular time, data processing and early warning is provided. The ground engineering deformation monitoring can timely early warn the problems of the ground engineering, has important significance for timely disposing of the ground engineering problems, and can effectively guarantee the safety of lives and properties of vehicles and personnel. The ground engineering includes general ground earthwork, ground engineering (municipal roads, railways, highways, dams, slopes, etc.) constructed by concrete, etc.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the ground engineering deformation monitoring method can be combined with the monitored object and comprehensively reflects the deformation condition of the monitored object in real time.
In order to solve the technical problems, the technical scheme of the invention is as follows: a ground engineering deformation monitoring method comprises the following steps;
firstly, arranging conductive polymer material pipes which are arranged in pairs inside a ground project or inside the ground project and in soil layers at corresponding positions of the ground project;
secondly, connecting a plurality of conductive polymer material pipes uniformly distributed in the same direction in series to form a monitoring network, wherein the conductive polymer material pipes in the monitoring network are connected with a control circuit to form a current loop;
and step three, periodically testing the resistance of the current loop, and monitoring the deformation condition of the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering according to the change condition of the resistance of the current loop.
Specifically, in the first step, the specific layout method of the conductive polymer material tube is as follows: and placing the conductive polymer material pipe into the ground engineering or into the ground engineering and a soil layer at a corresponding position of the ground engineering while constructing the ground engineering.
Specifically, in the first step, the specific layout method of the conductive polymer material tube is as follows: and after the ground engineering construction is finished, laying the conductive polymer material pipes in the built ground engineering or in the built ground engineering and soil layers at corresponding positions of the built ground engineering through trenchless directional drilling construction.
Specifically, the specific method for trenchless directional drilling construction comprises the following steps: dividing the ground engineering interior or the ground engineering interior and the soil layer at the corresponding position of the ground engineering into a plurality of working sections; and each working section adopts a non-excavation directional drilling technology to perform horizontal directional drilling to form a pore channel, a conductive polymer material pipe is arranged in the pore channel, a gap in the pore channel is filled by grouting after the arrangement is finished, and at least one pair of conductive polymer material pipes exist in each working section.
Specifically, the monitoring net is formed by connecting a plurality of local monitoring nets, and the local monitoring nets at least comprise a pair of conductive polymer material pipes.
Specifically, the control circuit comprises an alarm device, and the alarm device is connected with an external monitoring terminal through the internet of things.
Specifically, the third step is specifically: the alarm device regularly tests the resistance of the current loop, and when the change value of the resistance of the current loop exceeds the threshold value of the alarm device, the alarm device sends an alarm signal to an external monitoring terminal, so that the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering is monitored.
Specifically, the conductive polymer material tube is made of a semiconductor material by a layer-based compounding method, and the surface layer and the inner layer of the conductive polymer material tube are insulated, and the middle layer is conductive.
Specifically, the conductive polymer material pipe is semi-rigid, and is convenient to cut and connect.
The invention has the beneficial effects that: the monitoring net is formed by arranging paired or grouped conductive high polymer materials in soil layers in the ground engineering or in the ground engineering and corresponding positions, and the resistance change of the monitoring net is tracked and tested, so that the change of the monitored object is judged, and the monitoring efficiency and the monitoring precision of the ground engineering are effectively improved.
Drawings
FIG. 1 is a cross-sectional view of a general surface monitoring of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of monitoring of the soil mass above a shield tunnel in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a dam body and soil monitoring thereunder in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a control circuit according to an embodiment of the present invention;
FIG. 5 is a first longitudinal cross-sectional view of a monitoring pipe deployment using trenchless directional drilling techniques in accordance with an embodiment of the present invention;
FIG. 6 is a second longitudinal cross-sectional view of a monitor tube deployed using trenchless directional drilling techniques in accordance with an embodiment of the present invention;
reference numerals:
1. a common ground; 2. a conductive polymer material tube; 21. a curved section; 3. a tunnel; 4. a dam; 5. and (7) working pits.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The invention relates to a ground engineering deformation monitoring method, which comprises the following steps of;
firstly, arranging conductive polymer material pipes which are arranged in pairs inside a ground project or inside the ground project and in soil layers at corresponding positions of the ground project;
secondly, connecting a plurality of conductive polymer material pipes uniformly distributed in the same direction in series to form a monitoring network, wherein the conductive polymer material pipes in the monitoring network are connected with a control circuit to form a current loop;
and step three, periodically testing the resistance of the current loop, and monitoring the deformation condition of the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering according to the change condition of the resistance of the current loop.
The working principle of the invention is as follows: the ground engineering can be general ground engineering which only performs earth excavation or backfilling, and also can be an engineering foundation and an engineering structure body thereof which are built on the general ground or under the ground. The monitoring net is formed by arranging paired conductive high polymer material pipes inside the ground engineering or in soil layers at positions corresponding to the ground engineering inside the ground engineering and the ground engineering, the resistance of the current loop is regularly tested by means of the control circuit, so that the resistance change condition of the current loop is obtained, finally, the change condition and the change area of the soil layers at the positions corresponding to the ground engineering and the ground engineering are analyzed according to the resistance change condition, the efficiency and the precision of monitoring and detecting the safety of the engineering structure are effectively improved, and the monitoring net has important significance on the structure safety.
As can be seen from the above description, the beneficial effects of the present invention are: the monitoring net is formed by arranging paired conductive high polymer material pipes in the ground engineering or the ground engineering and the soil layer at the corresponding position of the ground engineering, so that the change condition of the monitored object can be judged according to the resistance change condition of the monitoring net, and the monitoring efficiency and the monitoring precision of the ground engineering are effectively improved.
Further, in the first step, a specific layout method of the conductive polymer material tube is as follows: and placing the conductive polymer material pipe into the ground engineering or into the ground engineering and a soil layer at a corresponding position of the ground engineering while constructing the ground engineering.
Further, in the first step, a specific layout method of the conductive polymer material tube is as follows: and after the ground engineering construction is finished, laying the conductive polymer material pipes in the built ground engineering or in the built ground engineering and soil layers at corresponding positions of the built ground engineering through trenchless directional drilling construction.
Further, the specific method for trenchless directional drilling construction comprises the following steps: dividing the ground engineering interior or the ground engineering interior and the soil layer at the corresponding position of the ground engineering into a plurality of working sections; and each working section adopts a non-excavation directional drilling technology to perform horizontal directional drilling to form a pore channel, a conductive polymer material pipe is arranged in the pore channel, a gap in the pore channel is filled by grouting after the arrangement is finished, and at least one pair of conductive polymer material pipes exist in each working section.
Furthermore, the monitoring net is formed by connecting a plurality of local monitoring nets, and the local monitoring nets at least comprise a pair of conductive polymer material pipes.
Further, the control circuit comprises an alarm device, and the alarm device is connected with an external monitoring terminal through the Internet of things.
According to the description, when the resistance of the current loop changes, the alarm device is triggered to send an alarm signal to the monitoring terminal, so that the rapid early warning of the ground collapse condition is realized.
Further, the third step is specifically: the alarm device regularly tests the resistance of the current loop, and when the change value of the resistance of the current loop exceeds the threshold value of the alarm device, the alarm device sends an alarm signal to an external monitoring terminal, so that the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering is monitored.
Furthermore, the conductive polymer material tube is made of a semiconductor material by a layer-based compounding method, and the surface layer and the inner layer of the conductive polymer material tube are insulated and the middle layer is conductive.
Furthermore, the conductive polymer material pipe is semi-rigid, and is convenient to cut and connect.
Example one
A ground engineering deformation monitoring method comprises the following steps;
firstly, arranging conductive polymer material tubes which are arranged in pairs inside a ground project or in soil layers inside the ground project and at corresponding positions of the ground project, wherein the conductive polymer material tubes are made of semiconductor materials by a layer-based compounding method, the surface layer and the inner layer of each conductive polymer material tube are insulated, the middle layer of each conductive polymer material tube is conductive, and the conductive polymer material tubes are semi-rigid and are convenient to cut off and connect;
the specific layout method of the conductive polymer material tube comprises the following steps: and placing the conductive polymer material pipe into the ground engineering or into the ground engineering and a soil layer at a corresponding position of the ground engineering while constructing the ground engineering.
Secondly, connecting a plurality of conductive polymer material pipes uniformly distributed in the same direction in series to form a monitoring network, wherein the monitoring network is formed by connecting a plurality of local monitoring networks, each local monitoring network at least comprises a pair of conductive polymer material pipes, one ends of the conductive polymer material pipes arranged in pairs are connected with each other, the other ends of the conductive polymer material pipes are respectively connected with a control circuit to form a current loop, the control circuit comprises an alarm device, and the alarm device is connected with an external monitoring terminal through the Internet of things;
and step three, the control circuit periodically tests the resistance of the current loop, and when the change value of the resistance of the current loop exceeds the threshold value of the alarm device, the alarm device sends an alarm signal to an external monitoring terminal, so that the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering is monitored.
Taking the road as an example, the conductive polymer material tubes can be arranged under the road in parallel, the road width is 24m, 24 tubes (the distance is 1m) can be arranged, the same end of the 1 st and 24 th of the 24 tubes is connected on the control circuit, and the rest tubes are connected end to form a whole.
Example two
A ground engineering deformation monitoring method comprises the following steps;
firstly, arranging conductive polymer material tubes which are arranged in pairs inside a ground project or in soil layers inside the ground project and at corresponding positions of the ground project, wherein the conductive polymer material tubes are made of semiconductor materials by a layer-based compounding method, the surface layer and the inner layer of each conductive polymer material tube are insulated, the middle layer of each conductive polymer material tube is conductive, and the conductive polymer material tubes are semi-rigid and are convenient to cut off and connect;
the specific layout method of the conductive polymer material tube comprises the following steps: after the ground engineering construction is finished, laying conductive polymer material pipes in the built ground engineering or in the built ground engineering and soil layers at corresponding positions of the built ground engineering through trenchless directional drilling construction;
the specific method for the trenchless directional drilling construction comprises the following steps: dividing the ground engineering interior or the ground engineering interior and the soil layer at the corresponding position of the ground engineering into a plurality of working sections; each working section adopts a non-excavation directional drilling technology to carry out horizontal directional drilling to form a pore channel, a conductive polymer material pipe is arranged in the pore channel, a gap in the pore channel is filled by grouting after the arrangement is finished, and at least one pair of conductive polymer material pipes exist in each working section;
secondly, connecting a plurality of conductive polymer material pipes uniformly distributed in the same direction in series to form a monitoring network, wherein the monitoring network is formed by connecting a plurality of local monitoring networks, each local monitoring network at least comprises a pair of conductive polymer material pipes, one ends of the conductive polymer material pipes arranged in pairs are connected with each other, the other ends of the conductive polymer material pipes are respectively connected with a control circuit to form a current loop, the control circuit comprises an alarm device, and the alarm device is connected with an external monitoring terminal through the Internet of things;
and step three, the control circuit periodically tests the resistance of the current loop, and when the change value of the resistance of the current loop exceeds the threshold value of the alarm device, the alarm device sends an alarm signal to an external monitoring terminal, so that the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering is monitored.
The monitoring net can be laid in the soil layer or inside the ground engineering in any area where it is necessary to prevent soil collapse causing damage to the general ground or ground engineering.
The soil layer includes: the soil layer is distributed in a linear mode, such as a soil layer under the road ground, a soil layer under the railway ground, a soil layer above a tunnel to be constructed by adopting a shield, and a soil layer in a mining area, a soil layer in a karst backfill area, a soil layer in a collapsible loess collapse area, a soil layer in a basalt area passage top plate area, other general ground soil layers and the like.
The ground engineering specifically includes: foundations for roads, railways, highways, dams, slopes, etc., and the roads, railways, highways, dams, slopes, etc., themselves.
If the monitoring object is the ground project to be built, if: the conductive polymer material pipes can be synchronously distributed in the soil layer and the engineering body and foundation along with the engineering construction and are formed in a networking way;
and if the monitoring object is to be built, adopting the underground excavation construction technology to build the ground engineering, such as: the underground construction method comprises the following steps that (1) subway, pipe galleries and the like can adopt a non-excavation directional drilling construction mode to arrange conductive polymer material pipes in soil layers above underground engineering and close to the ground, and then networking and forming are carried out;
if the monitoring object is the established ground engineering, such as: the conductive high molecular material pipes can be arranged in the soil layer adjacent to the engineering foundation under the built ground engineering by adopting a non-excavation directional drilling construction mode, and then are formed by networking; or can be laid in the body or the foundation of the built ground engineering by adopting the trenchless directional drilling construction technology.
The monitoring objects are soil layers of mining areas, karst backfill areas, collapsible loess collapse areas, basalt area channel top plate areas, other general ground soil layers and the like, conductive polymer material pipes can be synchronously distributed in the soil layers along with earthwork operation and formed in a networking mode in open-air earthwork operation, and the conductive polymer material pipes can be distributed in the soil layers close to the ground in a non-excavation directional drilling construction mode and formed in a networking mode in a dark earthwork operation.
When the monitoring net is synchronously distributed and molded along with engineering construction, according to the difference of linear distribution and surface distribution of monitored objects, the factors such as the width of the monitored objects and the safety control level are considered, conductive polymer material pipes are uniformly distributed in a certain length and in different directions, the conductive pipes are connected and communicated with each other through bent connecting pieces to form a local monitoring net which is locally communicated, the local monitoring net is communicated to form an integral monitoring net, and the integral monitoring net is connected with a background monitoring terminal through the Internet of things.
When the monitoring net is laid and formed in a non-excavation directional drilling construction mode, the non-excavation directional drilling construction steps are as follows:
(1) according to the difference of the linear distribution and the planar distribution of the monitored object, considering the factors of the width, the safety control level and the like of the monitored object, and dividing the monitored object into a plurality of working sections within a certain length and in different directions;
(2) each working section adopts a non-excavation directional drilling technology to carry out horizontal directional drilling, a conductive polymer material pipe is arranged in a formed pore channel, and after the arrangement is finished, a gap in the pore channel is filled with grouting;
(3) repeating the step (2) to enable at least one pair of conductive polymer material pipes to exist in each working section;
(4) one end of each pair of conductive polymer material pipes is connected and communicated with each other through a bend-through connecting piece, two pipes at the other end are respectively connected with a power supply, a relay, an alarm device and other control circuits to form a current loop, one or more pairs of conductive polymer material pipes form a local monitoring network, the local monitoring network is communicated to form an integral monitoring network, and the integral monitoring network is connected with a background monitoring terminal through the Internet of things.
As shown in fig. 1, a cross-sectional view of a general ground with a monitoring net for monitoring is shown, wherein a conductive polymer material pipe 2 is buried under the general ground 1;
as shown in fig. 2, a cross-sectional view of a shield tunnel above which a monitoring net is arranged for soil monitoring is shown, wherein a conductive polymer material pipe 2 is buried between a general ground 1 and a tunnel 3;
as shown in fig. 3, it is a cross-sectional view of monitoring by laying monitoring nets on the dam body and the soil below the dam body, wherein the conductive polymer material tube 2 is arranged inside the dam 4 and embedded inside the soil at the bottom of the dam 4;
FIG. 4 is a schematic circuit diagram of the control circuit; the controller comprises a power converter, an AC220V, a DC24V, a resistor, a relay and a buzzer, wherein the AC220V refers to external 220V alternating current, the DC24V refers to 24V direct current obtained by converting the external 220V alternating current through the power converter and supplies power to a control circuit, R is a resistor (namely a conductive polymer material pipe connected in series), KA is the relay, and AL is the buzzer;
referring to fig. 5 and 6, in order to provide a longitudinal sectional view of a conductive polymer material pipe 2 by using a trenchless directional drilling construction technology, the conductive polymer material pipe 2 is provided under a general ground 1 by using a trenchless directional drilling technology, and penetrates out of the general ground 1 through a bending section 21 provided on the conductive polymer material pipe 2, and in fig. 5, one end of the conductive polymer material pipe 2 extends into a working pit 5.
In conclusion, the beneficial effects provided by the invention are as follows: according to the invention, the monitoring net is formed by arranging the paired conductive high polymer material pipes in the ground engineering and in the soil layers at the corresponding positions of the ground engineering, so that the detection equipment and the detection object are combined into a whole, the change condition of the monitored object can be judged according to the resistance change condition of the monitoring net, and the monitoring efficiency and precision are effectively improved. Through the resistance test to the monitoring net, judge the deformation of electrically conductive macromolecular material pipe promptly soil layer or the deformation of engineering body, the monitoring net is connected with backstage monitor terminal through the thing networking. The monitoring net can be synchronously arranged and formed along with engineering construction or arranged and formed in a trenchless directional drilling construction mode. The invention realizes real-time monitoring, data acquisition, transmission and alarm of the monitored object, effectively improves the monitoring efficiency and precision and has important significance on personnel and engineering safety.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. A ground engineering deformation monitoring method is characterized by comprising the following steps;
firstly, arranging conductive polymer material pipes which are arranged in pairs inside a ground project or inside the ground project and in soil layers at corresponding positions of the ground project;
secondly, connecting a plurality of conductive polymer material pipes uniformly distributed in the same direction in series to form a monitoring network, wherein the conductive polymer material pipes in the monitoring network are connected with a control circuit to form a current loop;
and step three, periodically testing the resistance of the current loop, and monitoring the deformation condition of the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering according to the change condition of the resistance of the current loop.
2. The ground engineering deformation monitoring method according to claim 1, wherein in the first step, the specific layout method of the conductive polymer material pipes comprises: and placing the conductive polymer material pipe into the ground engineering or into the ground engineering and a soil layer at a corresponding position of the ground engineering while constructing the ground engineering.
3. The ground engineering deformation monitoring method according to claim 1, wherein in the first step, the specific layout method of the conductive polymer material pipes comprises: and after the ground engineering construction is finished, laying the conductive polymer material pipes in the built ground engineering or in the built ground engineering and soil layers at corresponding positions of the built ground engineering through trenchless directional drilling construction.
4. The ground engineering deformation monitoring method as claimed in claim 3, wherein the specific method of trenchless directional drilling construction is as follows: dividing the ground engineering interior or the ground engineering interior and the soil layer at the corresponding position of the ground engineering into a plurality of working sections; and each working section adopts a non-excavation directional drilling technology to perform horizontal directional drilling to form a pore channel, a conductive polymer material pipe is arranged in the pore channel, a gap in the pore channel is filled by grouting after the arrangement is finished, and at least one pair of conductive polymer material pipes exist in each working section.
5. The ground engineering deformation monitoring method according to claim 1, wherein the monitoring net is formed by connecting a plurality of local monitoring nets, and the local monitoring nets at least comprise a pair of conductive polymer material pipes.
6. The ground engineering deformation monitoring method according to claim 1, wherein the control circuit comprises an alarm device, and the alarm device is connected with an external monitoring terminal through the internet of things.
7. The ground engineering deformation monitoring method according to claim 6, wherein the third step is specifically: the control circuit regularly tests the resistance of the current loop, and when the change value of the resistance of the current loop exceeds the threshold value of the alarm device, the alarm device sends an alarm signal to an external monitoring terminal, so that the ground engineering or the deformation condition of the soil layer at the corresponding position of the ground engineering and the ground engineering is monitored.
8. The ground engineering deformation monitoring method according to claim 1, wherein the conductive polymer material pipe is made of a semiconductor material by a layer-based composite method, and the surface layer, the inner layer and the middle layer of the conductive polymer material pipe are insulated and conductive.
9. The ground engineering deformation monitoring method according to claim 1, wherein the conductive polymer material pipe is semi-rigid, so as to facilitate cutting and connection.
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| CN103334462A (en) * | 2013-07-22 | 2013-10-02 | 山东大学 | Conductive polymer-based soil deformation monitoring system and method |
| CN103363890A (en) * | 2013-07-22 | 2013-10-23 | 山东大学 | Pavement cracking monitoring method based on pulling sensitive effect of conducting polymers |
| CN103399049A (en) * | 2013-07-22 | 2013-11-20 | 山东大学 | Concrete cracking monitoring method based on tensile sensitive effect of conductive polymer |
| CN103696416A (en) * | 2014-01-17 | 2014-04-02 | 黄滨 | Novel foundation treatment method |
| CN104139541A (en) * | 2014-06-25 | 2014-11-12 | 山东大学 | Method for preparing sensing type plastic geogrids |
| CN104481564A (en) * | 2014-11-28 | 2015-04-01 | 山东大学 | Self-deformation-detection carbon fiber resin anchor rod and deformation detection method thereof |
| CN207763649U (en) * | 2017-11-08 | 2018-08-24 | 彭凯 | Structure large deformation locating and monitoring system |
| CN111879823A (en) * | 2020-07-03 | 2020-11-03 | 温州大学 | Polymer-based piezoelectric composite geotextile band for monitoring internal damage of geotechnical engineering and preparation method thereof |
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