CN205049563U - Landslide area ground material multi -parameter monitoring system - Google Patents
Landslide area ground material multi -parameter monitoring system Download PDFInfo
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- CN205049563U CN205049563U CN201520796320.2U CN201520796320U CN205049563U CN 205049563 U CN205049563 U CN 205049563U CN 201520796320 U CN201520796320 U CN 201520796320U CN 205049563 U CN205049563 U CN 205049563U
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- landslide
- piezoceramic transducer
- piezoelectric ceramic
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Abstract
The utility model discloses a landslide area ground material multi -parameter monitoring system, through the region that easily takes place piezoceramic transducer array embedded in the landslide, utilize piezoceramic transducer's contrary piezo electric effect, apply voltage to arbitrary one piezoceramic transducer, produce the stress wave and to transmission all around, piezoceramic transducer's positive piezo electric effect recycles, receive this stress wave, but output voltage, the elastic modulus of the medium that is unearthed can be calculated to time difference through transmit and receive voltage signal and the distance of arranging, can judge the change of the moisture content of soil property and whether take place the crack damage through the change of voltage signal amplitude. The utility model discloses can understand the material property parameter of landslide area ground in real time, can be used to the early warning that the landslide takes place, effective landslide occurence of failure and casualties of reducing is applicable to the regional engineering application in landslide who has a large capacity and a wide range.
Description
Technical field
The utility model relates to landslide area rock-soil material parameter monitoring technical field, specifically relates to a kind of landslide area rock-soil material multi-parameter monitoring system.
Background technology
Landslide brings serious threat to the life of people and property safety, and the water percentage of landslide area, the elastic modulus of soil property and crack damage are the key parameters whether sign landslide area geology is stablized.
Existing landslide monitoring method comprises four aspects such as surface deformation monitoring, deep soils and groundwater dynamic monitoring and correlative factor monitoring, and existing monitoring method cannot be monitored inner crack of coming down, water percentage, elastic modulus simultaneously.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model proposes a kind of landslide area rock-soil material multi-parameter monitoring system, the material property parameters of landslide area ground can be understood in real time, can be used for the early warning occurred of coming down, effectively reduce landslide accident and occur and casualties; Compared with other monitoring method, the method is reliable and stable, and cost is low, easy to implement, is applicable to the engineer applied of the landslide areas of having a large capacity and a wide range.
The technical solution of the utility model is achieved in that
A kind of landslide area rock-soil material multi-parameter monitoring system, comprise signal acquiring system, signal generator, power amplifier, several sensor encapsulations, sensor encapsulation described in several is embedded at vicinity, potential landslide surface both sides; Described sensor encapsulation comprises encapsulating material and is located at the piezoceramic transducer in described encapsulating material; The piezoceramic transducer chosen successively in sensor encapsulation described in one of them is connected with described power amplifier, described power amplifier is connected with described signal generator, and the piezoceramic transducer in sensor encapsulation described in remaining is connected with described signal acquiring system; Described signal generator can transmit, and apply voltage drive to the piezoceramic transducer of its correspondence after being amplified by this signal by described power amplifier, described signal acquiring system can lead to remaining piezoceramic transducer collection and receive this signal.
As further improvement of the utility model, the sensitive element of described piezoceramic transducer is piezoelectric ceramic piece; Described encapsulating material comprises the marble slab that two pieces of areas are greater than described piezoelectric ceramic piece, and described piezoelectric ceramic piece is held on the middle part of two pieces of described marble slabs, is filled with epoxy resin between described piezoelectric ceramic piece surrounding, two pieces of marble slabs.
As further improvement of the utility model, described piezoelectric ceramic piece is square, and area is 1cm
2; Described marble slab is square, and area is 2cm
2, and length breadth ratio is identical with described piezoelectric ceramic piece, thickness is 2mm.
The beneficial effects of the utility model are: the utility model provides a kind of landslide area rock-soil material multi-parameter monitoring system, by several sensor encapsulations being embedded at vicinity, potential landslide surface both sides, the piezoceramic transducer chosen successively in one of them sensor encapsulation is connected with power amplifier, power amplifier is connected with signal generator, and the piezoceramic transducer in remaining sensor encapsulation is connected with signal acquiring system; Like this, transmitted by signal generator, after being amplified by this signal by power amplifier, voltage drive is applied to the piezoceramic transducer of its correspondence, signal acquiring system can receive this signal by remaining piezoceramic transducer collection, and then can calculate the elastic modulus of soil-structure interactions by the transmitting and receiving mistiming of voltage signal and the distance of layout; The change of the water percentage of soil property can be judged by the change of voltage magnitude and whether crack damage occur, therefore, the utility model can solve the problem that single-sensor cannot carry out measuring multiple parameters, the material property parameters of landslide area ground can be understood in real time, can be used for the early warning occurred of coming down, effectively reduce landslide accident and occur and casualties; Form sensor encapsulation by being encapsulated in encapsulating material by piezoceramic transducer, the piezoelectric ceramic piece matter that can solve piezoceramic transducer is crisp, the problem of water proofing property difference.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model landslide area rock-soil material multi-parameter monitoring system;
Fig. 2 is the structural representation of sensor encapsulation in the utility model;
Fig. 3 is the fundamental diagram of the utility model landslide area rock-soil material multi-parameter monitoring method;
By reference to the accompanying drawings, make the following instructions:
1---signal acquiring system 2---signal generator
3---power amplifier 4---sensor encapsulation
41---encapsulating material 411---marble slab
412---epoxy resin 42---piezoceramic transducer
421---piezoelectric ceramic piece 5---potential landslide surface
6---sliding mass
Embodiment
In order to more clearly understand technology contents of the present utility model, describe in detail especially exemplified by following examples, its object is only better to understand content of the present utility model and unrestricted protection domain of the present utility model.
As depicted in figs. 1 and 2, a kind of landslide area rock-soil material multi-parameter monitoring system, comprise signal acquiring system 1, signal generator 2, power amplifier 3, several sensor encapsulations 4, sensor encapsulation described in several is embedded at vicinity, potential landslide surface both sides; The piezoceramic transducer 42 that described sensor encapsulation comprises encapsulating material 41 and is located in described encapsulating material; The piezoceramic transducer (transmitting as excitation end) chosen successively in sensor encapsulation described in one of them is connected with described power amplifier, described power amplifier is connected with described signal generator, and the piezoceramic transducer (as receiving end collection signal) in sensor encapsulation described in remaining is connected with described signal acquiring system; Described signal generator can transmit, and apply voltage drive to the piezoceramic transducer of its correspondence after being amplified by this signal by described power amplifier, described signal acquiring system can lead to remaining piezoceramic transducer collection and receive this signal.Like this, by several sensor encapsulations being embedded at vicinity, potential landslide surface both sides, the piezoceramic transducer chosen successively in one of them sensor encapsulation is connected with power amplifier, power amplifier is connected with signal generator, and the piezoceramic transducer in remaining sensor encapsulation is connected with signal acquiring system; Like this, transmitted by signal generator, after being amplified by this signal by power amplifier, voltage drive is applied to the piezoceramic transducer of its correspondence, signal acquiring system can receive this signal by remaining piezoceramic transducer collection, and then can calculate the elastic modulus of soil-structure interactions by the transmitting and receiving mistiming of voltage signal and the distance of layout; The change of the water percentage of soil property can be judged by the change of voltage magnitude and whether crack damage occur, therefore, the utility model can solve the problem that single-sensor cannot carry out measuring multiple parameters, the material property parameters of landslide area ground can be understood in real time, can be used for the early warning occurred of coming down, effectively reduce landslide accident and occur and casualties; Form sensor encapsulation by being encapsulated in encapsulating material by piezoceramic transducer, the piezoelectric ceramic piece matter that can solve piezoceramic transducer is crisp, the problem of water proofing property difference.
Preferably, see Fig. 2, the sensitive element of described piezoceramic transducer is piezoelectric ceramic piece 421; Described encapsulating material comprises the marble slab 411 that two pieces of areas are greater than described piezoelectric ceramic piece, and described piezoelectric ceramic piece is held on the middle part of two pieces of described marble slabs, is filled with epoxy resin 412 between described piezoelectric ceramic piece surrounding, two pieces of marble slabs.Like this, by using two pieces of marble slabs to clamp piezoelectric ceramic piece and electronic circuit, and filling epoxy resin in-between, the encapsulating to piezoelectric ceramic piece can be realized, crisp to solve piezoelectric ceramic piece matter, the problem of water proofing property difference.Wherein, the monitoring principle of piezoelectric ceramic piece is as follows: piezoelectric ceramic piece has positive inverse piezoelectric effect, when applying voltage drive to piezoceramic transducer, piezoelectric ceramics sector-meeting produces deformation, if piezoelectric ceramic piece is positioned in soil-structure interactions, the deformation that piezoelectric ceramic piece produces can be launched to surrounding with the form of stress wave, now recycle the direct piezo electric effect of piezoceramic transducer, namely other piezoelectric ceramic pieces are used to receive this stress wave, piezoelectric ceramic piece produces deformation, output voltage signal, the elastic modulus of soil-structure interactions can be calculated by the transmitting and receiving mistiming of voltage signal and the distance of layout, the change of the water percentage of soil property can be judged by the change of voltage magnitude and whether crack damage occur.
Preferably, described piezoelectric ceramic piece is square, and area is 1cm
2; Described marble slab is square, and area is 2cm
2, and length breadth ratio is identical with described piezoelectric ceramic piece, thickness is 2mm.
As shown in Figure 3, a kind of landslide area rock-soil material multi-parameter monitoring method, comprises the steps:
A. sensor package,
Make several sensor encapsulations, each sensor encapsulation comprises encapsulating material and is located at the piezoceramic transducer in described encapsulating material;
B. the demarcation of sensor,
Choose a piezoceramic transducer to be successively connected with a power amplifier, this power amplifier is connected with a signal generator, is connected by remaining piezoceramic transducer with a signal acquiring system; Signal is produced by signal generator, and after being amplified by this signal by power amplifier, voltage drive is applied to the piezoceramic transducer of its correspondence, by the signal that remaining the piezoceramic transducer collection of signal acquiring system Treatment Analysis receives, set up the relation of ratio along with different soil-structure interactions water percentage, the change of different piezoceramic transducer spacing of signal voltage input and output amplitude;
C. the preferred arrangement of Sensor,
According to soil mechanics ultimate principle, infer potential landslide surface, arrange some described sensor encapsulations in the both sides of this potential landslide surface, form piezoceramic transducer array;
D. signals collecting,
By signal generator and power amplifier, respectively voltage drive is applied to each piezoceramic transducer in piezoceramic transducer array, this signal received by all the other the piezoceramic transducer collections of signal acquiring system Treatment Analysis;
E. the identification of multiparameter,
According to the elastic modulus receiving the density calculation of signal with the mistiming transmitted, transducer spacing and soil-structure interactions and go out the soil body; Ratio and calibration value according to receiving signal and the voltage magnitude that transmits contrast, and draw water percentage and the crack damage situation of the soil body.
The region on landslide is easily there is in the utility model landslide area rock-soil material multi-parameter monitoring method by being embedded in by piezoceramic transducer array, utilize the inverse piezoelectric effect of piezoceramic transducer, voltage is applied to any one piezoceramic transducer, piezoelectric ceramics sector-meeting wherein produces stress wave and launches to surrounding, now recycle the direct piezo electric effect of piezoceramic transducer, namely other piezoceramic transducers are used to receive this stress wave, piezoelectric ceramic piece wherein produces deformation, exportable voltage signal, the elastic modulus of soil-structure interactions can be calculated by the transmitting and receiving mistiming of voltage signal and the distance of layout, the change of the water percentage of soil property can be judged by the change of voltage signal magnitude and whether crack damage occur.Compared with other monitoring method, the method is reliable and stable, and cost is low, easy to implement, is applicable to the engineer applied of the landslide areas of having a large capacity and a wide range.
Preferably, the sensitive element of described piezoceramic transducer is piezoelectric ceramic piece; Described encapsulating material comprises the marble slab that two pieces of areas are greater than described piezoelectric ceramic piece, and described piezoelectric ceramic piece is held on the middle part of two pieces of described marble slabs, is filled with epoxy resin between described piezoelectric ceramic piece surrounding, two pieces of marble slabs.
Preferably, described piezoelectric ceramic piece is square, and area is 1cm
2; Described marble slab is square, and area is 2cm
2, and length breadth ratio is identical with described piezoelectric ceramic piece, thickness is 2mm.
The principle of work of the utility model landslide area rock-soil material multi-parameter monitoring method is as follows:
First, according to soil mechanics ultimate principle, infer the position of potential landslide surface 5 and sliding mass 6, at potential landslide surface both sides difference preferred arrangement piezoceramic transducer array, connection signal generator 2 successively, power amplifier 3 and a piezoceramic transducer, signal generator 2 is utilized to transmit, after being amplified by signal by power amplifier 3, voltage drive is applied to this piezoceramic transducer, all the other piezoceramic transducers receive this signal by signal acquiring system 1 collection, set up ratio and the initial aqueous rate of the initialize signal amplitude under soil body normal condition, the funtcional relationship of piezoceramic transducer spacing.Like this, power amplifier 3 is connected with a piezoceramic transducer, transmits as excitation end; All the other all piezoceramic transducers are connected with signal acquiring system 1, as the voltage signal of receiving end collection due to the vibration generation of excitation end.In this process, each piezoceramic transducer is connected with power amplifier as transmitting terminal in turn, and all the other piezoceramic transducers are as receiving end collection signal.The elastic modulus of the soil body can be obtained by the spacing of the mistiming and sensor that receive launching and receiving signal and soil body density calculation, when soil moisture content changes, the comparing initial alignment value and will change of the signal amplitude that the signal amplitude that all the other piezoceramic transducers receive is launched with the piezoceramic transducer chosen, by contrasting with initial alignment value function relation, the changing value of soil moisture content can be obtained.When potential landslide surface produces crack, the amplitude of two piezoceramic transducers of potential landslide surface both sides can have obvious reduction due to the amplitude that exists in crack, can be judged the size in crack by the reduction amplitude receiving voltage signal.
To sum up, the utility model effectively solves the problem that single-sensor cannot carry out measuring multiple parameters, can understand the material property parameters of landslide area ground in real time, can be used for the early warning occurred of coming down, and effectively reduces landslide accident and occurs and casualties; Compared with other monitoring method, the method is reliable and stable, and cost is low, easy to implement, is applicable to the engineer applied of the landslide areas of having a large capacity and a wide range.
Above embodiment is with reference to accompanying drawing, is described in detail to preferred embodiment of the present utility model.Those skilled in the art by carrying out amendment on various forms or change to above-described embodiment, but when not deviating from essence of the present utility model, drops within protection domain of the present utility model.
Claims (3)
1. a landslide area rock-soil material multi-parameter monitoring system, it is characterized in that: comprise signal acquiring system (1), signal generator (2), power amplifier (3), several sensor encapsulations (4), sensor encapsulation described in several is embedded at vicinity, potential landslide surface both sides; Described sensor encapsulation comprises encapsulating material (41) and is located at the piezoceramic transducer (42) in described encapsulating material; The piezoceramic transducer chosen successively in sensor encapsulation described in one of them is connected with described power amplifier, described power amplifier is connected with described signal generator, and the piezoceramic transducer in sensor encapsulation described in remaining is connected with described signal acquiring system; Described signal generator can transmit, and apply voltage drive to the piezoceramic transducer of its correspondence after being amplified by this signal by described power amplifier, described signal acquiring system can receive this signal by remaining piezoceramic transducer collection.
2. landslide area according to claim 1 rock-soil material multi-parameter monitoring system, is characterized in that, the sensitive element of described piezoceramic transducer is piezoelectric ceramic piece (421); Described encapsulating material comprises the marble slab (411) that two pieces of areas are greater than described piezoelectric ceramic piece, described piezoelectric ceramic piece is held on the middle part of two pieces of described marble slabs, is filled with epoxy resin (412) between described piezoelectric ceramic piece surrounding, two pieces of marble slabs.
3. landslide area according to claim 2 rock-soil material multi-parameter monitoring system, it is characterized in that, described piezoelectric ceramic piece is square, and area is 1cm
2; Described marble slab is square, and area is 2cm
2, and length breadth ratio is identical with described piezoelectric ceramic piece, thickness is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796320.2U CN205049563U (en) | 2015-10-15 | 2015-10-15 | Landslide area ground material multi -parameter monitoring system |
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|---|---|---|---|
| CN201520796320.2U CN205049563U (en) | 2015-10-15 | 2015-10-15 | Landslide area ground material multi -parameter monitoring system |
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| CN205049563U true CN205049563U (en) | 2016-02-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203736A (en) * | 2015-10-15 | 2015-12-30 | 袁晓龙 | Multi-parameter monitoring system and method for geotechnical material in landslide area |
| CN109030772A (en) * | 2018-06-27 | 2018-12-18 | 北京纳米能源与系统研究所 | Self-powered side slope condition monitoring system and monitoring method |
| CN109596485A (en) * | 2018-10-26 | 2019-04-09 | 河海大学 | A kind of experimental rig and test method of observation swelled ground montmorillonite dissolution stowing operation |
| CN110160435A (en) * | 2019-04-30 | 2019-08-23 | 青岛理工大学 | The moisture content increment of load response ratio Prediction Parameters that come down and method |
| CN110471133A (en) * | 2019-08-12 | 2019-11-19 | 北京安赛博技术有限公司 | A kind of geological measuring instrument |
-
2015
- 2015-10-15 CN CN201520796320.2U patent/CN205049563U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203736A (en) * | 2015-10-15 | 2015-12-30 | 袁晓龙 | Multi-parameter monitoring system and method for geotechnical material in landslide area |
| CN109030772A (en) * | 2018-06-27 | 2018-12-18 | 北京纳米能源与系统研究所 | Self-powered side slope condition monitoring system and monitoring method |
| CN109030772B (en) * | 2018-06-27 | 2021-06-04 | 北京纳米能源与系统研究所 | Self-powered slope state monitoring system and monitoring method |
| CN109596485A (en) * | 2018-10-26 | 2019-04-09 | 河海大学 | A kind of experimental rig and test method of observation swelled ground montmorillonite dissolution stowing operation |
| CN109596485B (en) * | 2018-10-26 | 2020-05-05 | 河海大学 | Test device and test method for observing swelling soil montmorillonite dissolution filling process |
| CN110160435A (en) * | 2019-04-30 | 2019-08-23 | 青岛理工大学 | The moisture content increment of load response ratio Prediction Parameters that come down and method |
| CN110471133A (en) * | 2019-08-12 | 2019-11-19 | 北京安赛博技术有限公司 | A kind of geological measuring instrument |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160224 Effective date of abandoning: 20170531 |