CN211200411U - Side slope protection pile and side slope monitoring and protection system thereof - Google Patents
Side slope protection pile and side slope monitoring and protection system thereof Download PDFInfo
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- CN211200411U CN211200411U CN201920970787.2U CN201920970787U CN211200411U CN 211200411 U CN211200411 U CN 211200411U CN 201920970787 U CN201920970787 U CN 201920970787U CN 211200411 U CN211200411 U CN 211200411U
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- side slope
- pile
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- slope
- protection
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Abstract
The utility model relates to a geotechnical engineering technical field discloses a side slope fender pile, include the core of making by carbon nanotube and concrete fusion and the cladding portion of making by carbon nanotube and inflation soil of parcel in the core periphery, the fender pile is used for inserting in the side slope soil body. The side slope monitoring and protecting system comprises a plurality of protective piles which are dispersedly inserted into the side slope soil body, a data acquisition terminal in signal connection with each protective pile, a data processing terminal for processing information acquired by the data acquisition terminal, power supply equipment for providing electric energy for the data acquisition terminal, and human-computer interaction equipment connected with the data processing terminal. In the monitoring and protection system of this application, both accessible fender pile play the effect of protection side slope, and the inside stress strain of accessible side slope soil body and slope body water content change again finally realize monitoring deep slip, side slope deformation, slope body displacement etc..
Description
Technical Field
The utility model relates to a geotechnical engineering technical field specifically, relates to a side slope fender pile and side slope monitoring and protection system thereof.
Background
Landslides are a tremendous natural disaster that can endanger life and cause property damage, typically occurring in many areas of the earth's surface, that is caused by a series of processes that often affect human activities and the building environment, with catastrophic consequences. In general, the loss related to landslide in the world is difficult to estimate, and along with the continuous development of the modern construction business of China, a large amount of slope problems are also encountered in various infrastructure constructions.
Slopes generally exhibit non-uniform and anisotropic properties and are susceptible to local or transient large deformations or even unstable sliding under the influence of external factors, causing landslide. In general, rainfall is one of the most main factors causing landslide, the water content of a soil stone layer on a side slope body is increased due to the fact that a large amount of rainwater seeps downwards, the weight of the landslide body is increased, landslide is caused along with the reduction of the strength of a soil body, and the side slope soil body cannot prevent or slow down the occurrence of the side slope landslide problem because no landslide prevention measures or measures for isolating the continuity of water belts of the side slope body exist.
In addition, the stability of the side slope is closely related to the water content inside the side slope, and therefore, when the side slope monitoring and early warning is carried out, the change of the water content of the side slope needs to be effectively monitored. In the prior art of slope monitoring and protection, the slope monitoring and protection are usually separated, and the monitoring and protection are not integrated. And the main monitoring methods for the slope at present are a simple observation method, a station setting observation method, an instrument observation method, a remote monitoring method and the like. Due to the reasons that the field monitoring environment is severe and changeable, the monitored objects are complex and various, the interference factors are many, the monitoring range and the scale are large, the analysis theory and the alarm criterion are imperfect, and the like, the traditional conventional monitoring methods have many defects and are mainly reflected in that: (1) easy omission and blind areas; (2) the equipment integration level is low, the survival rate is low, the durability and the long-term stability are poor, and the monitoring cost is high; (3) the monitoring instrument has unobvious monitoring effect due to factors such as electromagnetic interference in the environment and the like, even has bad phenomena such as missing detection and the like, and has weak long-distance or large-area monitoring capability; (4) real-time, parallel and automatic, and poor intelligent degree; (5) the stability evaluation lacks data support and theoretical guidance; (6) the existing monitoring technology mainly monitors the crack and the displacement of the side slope and lacks for monitoring the soil water pressure and the deep displacement inside the side slope body.
Disclosure of Invention
The utility model provides a technical problem lie in overcoming prior art's defect, provide one kind and can play the side slope fender pile that slows down the landslide process or prevent the landslide to the slope soil body.
The utility model discloses still provide one kind simultaneously be equipped with the fender pile can carry out long-range real-time continuous monitoring's side slope monitoring and protection system to inside deep slip of side slope, side slope deformation, slope body displacement etc.
The purpose of the utility model is realized through the following technical scheme:
a side slope protection pile comprises a core part and a coating part, wherein the core part is made of carbon nano tubes and concrete in a fusion mode, the coating part is coated on the periphery of the core part and is made of the carbon nano tubes and expansive soil, and the side slope protection pile is used for being inserted into a side slope soil body.
Furthermore, at least one layer of water permeable material is attached to the periphery of the coating part of the protection pile.
Furthermore, the water permeable material is geotextile or mesh.
And furthermore, the periphery of the water-permeable material is also coated with at least one layer of fixing net which plays an integral fixing role on the protection pile.
Still further, one end of the protection pile is a pointed end.
The utility model provides a side slope monitoring and protection system with above-mentioned side slope fender pile, includes that a plurality of dispersions insert the fender pile in the side slope soil body, with each fender pile signal connection's data acquisition terminal, carry out the data processing terminal that handles to the information that data acquisition terminal gathered, for monitoring and the power supply unit that protection system provided the electric energy, still include the human-computer interaction equipment who links with data processing terminal.
Further, the power supply device includes a solar charging panel.
Further, a plurality of fender piles are arranged in order in the side slope soil body.
Furthermore, a plurality of guard piles are arranged in a quincunx shape in the soil body of the side slope.
Furthermore, the depth of the protective pile inserted into the side slope soil body needs to penetrate through the soil body sliding belt.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the protective piles are inserted into the side slope body in a certain density and depth, so that the carbon nano tube expansive soil on the surface of the protective piles can play a waterproof role and isolate the continuity of a water belt of the side slope body, and the protective piles can effectively increase the stability of the side slope and reduce the possibility of landslide after being implanted into the side slope body and can provide safe storage time for possible landslide events;
2) the core part and the cladding part of the protective pile both use carbon nano tubes as substrates, the cladding part is fused with expansive soil materials, so that the protective pile has the functions of sensing stress-strain, shrinkage cracking and expansion degree as a whole, the monitoring and protection system collects dynamic information of each protective pile by arranging a data acquisition device, and then analyzes related data through a data processing device, so that data which is more advanced and real for side slope early warning is monitored, and the data is the whole;
3) the protection pile has good durability and strong monitoring capability, is non-magnetic, is small in environmental interference, can overcome the problem that the measured data has large errors due to the problems of unstable voltage, electromagnetic interference of the surrounding environment and the like in the detection process, has strong authenticity, and realizes intelligent real-time monitoring of the slope;
4) the water content near the fender pile can be predicted according to the relation between the measured water content and the electromotive force by utilizing the self-induction function of the fender pile;
5) in this application, through means such as fender pile combination data acquisition, data transmission and data processing, the instrument and equipment integrated nature that the whole used of system is good, easy operation, market prospect is wide.
Drawings
FIG. 1 is a schematic cross-sectional view of the pile of example 1;
FIG. 2 is a schematic side view of the pile according to example 1;
fig. 3 is a schematic structural view of a slope monitoring and protecting system according to embodiment 2;
fig. 4 is a schematic view of the arrangement of guard piles in a plum blossom shape on a side slope in embodiment 3.
Detailed Description
The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in figures 1-2, a fender pile for inserting into a slope soil body is provided, which comprises a core part 11 made of carbon nano tubes and concrete through fusion and a coating part 12 made of carbon nano tubes and expansive soil and coated on the periphery of the core part. Specifically, the core part 11 and the coating part 12 are prefabricated by taking carbon nanotubes as a matrix, wherein the core part is formed by fully combining concrete and a hydrated carbon nanotube mixed solution, pouring and molding, and hardening until the strength meets the requirement; the preparation of the cladding part is that after the core part is hardened and molded, the carbon nano tubes with the diameter slightly larger than that of the core part are uniformly sleeved to the core part, and simultaneously, the expansive soil is filled into the inner part and the outer periphery of the carbon nano tubes of the cladding part until the core part and the cladding part are hardened and molded, and then the core part and the cladding part are integrated.
In order to facilitate the protective pile to be relatively easily inserted into the slope soil body and ensure that the protective pile vertically enters the slope soil body by keeping uniform stress in each direction in the insertion process, the periphery of the protective pile is firstly designed into a cylindrical shape, one end of the protective pile is preferably provided with a pointed end part 13, the pointed end part is formed through an adaptive pointed mold, materials of the pointed end part do not need much elaboration and are generally formed together with a covering part, and the pointed end part can be endowed with functions of sensing the internal stress-strain and the like of the slope soil body besides the function of being convenient to insert into the slope soil body in the embodiment. In order to prevent the expansive soil on the surface layer of the protective pile from falling off, at least one layer of water permeable material 14 is attached to the periphery of the coating part of the protective pile, and the water permeable material can be geotextile or mesh cloth, or other water permeable materials as long as the material does not hinder water from contacting with the expansive soil.
Because of the swelling soil has the characteristic of water swelling, in order to avoid unlimited swelling, and simultaneously also for guaranteeing the integrality of fender pile, the material periphery that permeates water still wraps with at least one deck to the fender pile self play the fixed network 15 of monolithic stationary action, the fixed network only need have can permeate water the fretwork can.
The fender pile of this embodiment is through in certain density and the degree of depth implantation side slope soil body, can effectively increase the stability of side slope, in addition, the inflation soil in it still can play waterproof function, the continuity of isolated slope body hosepipe, and then reduces the risk of side slope landslide, moreover, because of its stability guard action to the side slope itself, when the side slope will take place the landslide and engineering personnel can the perception, the progress of landslide still can be delayed obviously to the fender pile, provides safe reserve time for speedily carrying out rescue work.
Example 2
The slope monitoring and protecting system provided with the guard piles as described in embodiment 1 is provided, and as shown in fig. 3, the slope monitoring and protecting system comprises a plurality of guard piles 1 dispersedly inserted into the soil body of a slope a, a data acquisition terminal 2 in signal connection with each guard pile 1, a data processing terminal 3 for processing information acquired by the data acquisition terminal, a power supply device 4 for supplying power to the monitoring and protecting system, and a human-computer interaction device 5 linked with the data processing terminal.
The carbon nano tube in the protective pile 1 is a novel nano material and has good mechanical property, durability, anti-interference capability, electric conductivity and heat transfer performance, the expansive soil in the slope field mostly belongs to unsaturated soil, although the expansive soil does not have a self-induction function, the expansive soil is particularly sensitive to water, and the composite material formed by combining the carbon nano tube and the expansive soil can sense the stress strain and the water content change in the composite material; the core part formed by fusing the carbon nano tube and the concrete has good electrical and mechanical properties, is used for monitoring the stress-strain relationship when the pile body of the protection pile is subjected to water and soil pressure, and simultaneously is used as a support pile to provide protection for the side slope.
The slope monitoring and protection system of this embodiment has fully utilized this good stress-strain monitoring ability and good self-inductance of fender pile, the sensitivity (have the function of perception shrink fracture and inflation degree), combine current data transmission and analytical technique and equipment such as data acquisition and data processing, realize carrying out long-range real-time continuous monitoring to inside deep slip of slope, the slope is out of shape, slope body displacement etc. be convenient for the engineering personnel in time know the particular situation of slope in real time through man-machine interaction equipment, can monitor the data that more has advance and authenticity to the slope early warning simultaneously.
Wherein, data acquisition terminal 2 can monitor the inside data of fender pile 1 to transmit to data processing terminal 3, data processing terminal 3 then carries out slope water content change position, slip-band monitoring and the stability analysis of side slope according to the relation between the relevant stress strain of carbon nanotube concrete material and carbon nanotube inflation soil material, water content change relation etc..
The fender pile durability of this embodiment is good, monitoring capability is strong, through certain density distribution, can effectively solve the missed measure problem, and because of it has the non-magnetism, receives the environmental disturbance little, can overcome in the testing process because of the electromagnetic interference scheduling problem of unstable, the surrounding environment of voltage leads to the difficult problem of the great error of data appearance that surveys, and monitoring data is accurate, and the authenticity is high.
Specifically, the distribution density of the fender piles on the side slope can be determined according to the actual condition of the side slope, and generally, a plurality of fender piles 1 are arranged in a side slope soil body in a regular manner, for example, in a N × N rectangular array pile driving mode, the depth can also be determined according to the specific condition of the side slope, but generally, the depth of the fender piles inserted into the side slope soil body needs to penetrate through a soil body sliding belt (the depth of the soil body sliding belt is obtained by a drilling sampling method in the prior art, and meanwhile, a hole after the drilling sampling just provides a hole for the fender piles to be driven into the side slope soil body), so that the fender piles really and practically play a role in stabilizing the side slope, and meanwhile, powerful guarantee is provided for the subsequent monitoring process.
The system of the embodiment has both monitoring and protection functions, namely, the state of a sliding belt in the side slope can be monitored, the pile body of the protection pile also plays a protection role, the safety reserve time is provided, and the emergency early warning and prediction can be conveniently and timely made to reduce loss as much as possible; secondly, the water-resisting effect of the pile body is utilized to reduce the phenomena of instability caused by the weakening of the strength coefficient of the slope body due to the increase of the water content of the slope body; it has not only accomplished monitoring and has protected both to compromise, and its structure setting has realized the intellectuality to the slope monitoring especially. In addition, the manufacturing process of the protective pile is simple, the working procedures are few, the price of the manufacturing material is low, and the general problem of high monitoring cost in the current slope monitoring field is solved; the system has good integration and simple operation, and solves the problems of complex detection instrument, complex operation, overlapping functions and the like in the prior detection technology.
Example 3
The difference between this example and example 2 is: a plurality of fender posts 1 are arranged in a quincunx arrangement in a side slope soil body, and as shown in fig. 3 (a rectangular array of fender posts in fig. 3 is omitted, and only other structural settings such as side slopes and data acquisition terminals are concerned) and fig. 4, the fender posts of the present embodiment are arranged on the side slope in a staggered manner (the arrangement of signal acquisition lines among the fender posts in fig. 4 is only used for reference and does not represent the actual arrangement condition), compared with the rectangular piling mode of embodiment 2, the arrangement mode can better embody the stabilizing effect of the fender posts on the side slope, and various data monitored by the system can better reflect the side slope soil body condition.
It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A side slope protection pile is characterized by comprising a core part made of fused carbon nanotubes and concrete and a coating part wrapped on the periphery of the core part and made of carbon nanotubes and expansive soil, wherein the protection pile is used for being inserted into a side slope soil body; at least one layer of permeable material is further attached to the periphery of the wrapping portion of the protection pile, and at least one layer of fixing net which plays an integral fixing role in the protection pile is further attached to the periphery of the permeable material.
2. The slope fender pile of claim 1, wherein the water permeable material is geotextile or mesh.
3. The side slope protection pile of claim 1, wherein one end of the protection pile is a pointed end.
4. A side slope monitoring and protecting system provided with side slope protecting piles according to any one of claims 1 to 3, which is characterized by comprising a plurality of protecting piles dispersedly inserted into a side slope soil body, a data acquisition terminal in signal connection with each protecting pile, a data processing terminal for processing information acquired by the data acquisition terminal, power supply equipment for supplying electric energy to the monitoring and protecting system, and human-computer interaction equipment connected with the data processing terminal.
5. A pile slope monitoring and protection system according to claim 4, characterised in that the power supply device comprises a solar charging panel.
6. A side slope monitoring and protection system for fender piles according to claim 4, wherein a plurality of fender piles are arranged in a side slope soil body in order.
7. The pile-protecting slope monitoring and protecting system of claim 6, wherein the plurality of piles are arranged in a quincunx arrangement in the slope soil.
8. The pile-in-pile slope monitoring and protection system of claim 4, wherein the pile-in-pile is inserted into the slope body to a depth that penetrates the slip band of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970787.2U CN211200411U (en) | 2019-06-25 | 2019-06-25 | Side slope protection pile and side slope monitoring and protection system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970787.2U CN211200411U (en) | 2019-06-25 | 2019-06-25 | Side slope protection pile and side slope monitoring and protection system thereof |
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| Publication Number | Publication Date |
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| CN211200411U true CN211200411U (en) | 2020-08-07 |
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| CN201920970787.2U Expired - Fee Related CN211200411U (en) | 2019-06-25 | 2019-06-25 | Side slope protection pile and side slope monitoring and protection system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397047A (en) * | 2019-06-25 | 2019-11-01 | 湖南工业大学 | Side slope protection stake and its slope monitoring and guard system |
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2019
- 2019-06-25 CN CN201920970787.2U patent/CN211200411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397047A (en) * | 2019-06-25 | 2019-11-01 | 湖南工业大学 | Side slope protection stake and its slope monitoring and guard system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |