CN105756082A - Ecological soil retaining wall capable of being monitored in real time - Google Patents

Abstract

The invention discloses an ecological soil retaining wall capable of being monitored in real time. The ecological soil retaining wall comprises an ecological soil retaining wall body and an intelligent monitoring system arranged on the ecological soil retaining wall body, wherein the system comprises a monitoring module, a data processing module, a safety state assessment module, an early warning and alarm module and a simulation display module; the monitoring module comprises a wireless sensor network, a strain sensor assembly and a displacement sensor; the data processing module comprises an acquisition center station, a signal conditioner and a signal transmission device; the safety state assessment module comprises a microprocessor; the early warning and alarm module comprises an analysis processor and an alarm; and the simulation display module comprises a three-dimensional GIS simulation platform. According to the ecological soil retaining wall, the health of the ecological soil retaining wall body can be monitored in real time and the residual life of the ecological soil retaining wall can be predicted according to monitoring data accurately and intelligently.

Description

The ecological retaining wall that can monitor in real time

Technical field

The present invention relates to ecological DESIGN OF RETAINING WALLS field, be specifically related to the ecological retaining wall that can monitor in real time.

Background technology

Ecological retaining wall great majority in correlation technique cannot according to himself residual life of the data prediction of Sensor monitoring.This defect causes that the correlation experience that ecological retaining wall attendant requires over oneself judges the data that sensor feeds back, and reduces the promptness to ecological retaining wall monitoring, also considerably increases the workload of ecological retaining wall attendant simultaneously.

Summary of the invention

For the problems referred to above, the present invention provides the ecological retaining wall that can monitor in real time.

The purpose of the present invention realizes by the following technical solutions:

The ecological retaining wall that can monitor in real time, including ecological retaining wall body and the intelligent monitor system being arranged on ecological retaining wall body, described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module, described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\Δs}}^{\′}=\mathrm{\Δ}s-\frac{{\mathrm{\α}}_1{a}_1+{\mathrm{\α}}_2{a}_2+...+{\mathrm{\α}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\·\underset{i}{\overset{n}{\Σ}}\[\frac{p_i}{{10}^7}\·{\left(\frac{{\mathrm{\σ}}_x\left(i\right)}{{\mathrm{\σ}}_b}\right)}^k\]}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

D, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

E, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by f, result according to safe condition module estimation shows on the interface of GIS platform.

The invention have the benefit that and connected by the structure of modules, it is achieved the full-automatic monitoring of the dynamical health of ecological retaining wall, it is simple to personnel pinpoint the problems early, solution problem；Propose and carry out ecological retaining wall body health structure monitoring with wireless sensor network, cover wide, real-time；Propose fatigue life safety judgment formula, decrease the workload of calculating, improve the work efficiency of monitoring system；Propose the computing formula of average displacement, and average displacement is corrected, adopt average displacement and displacement threshold value to compare judgement, decrease the workload of calculating；Pair of strain sensors carries out temperature-compensating, improves the certainty of measurement of strain, and then improves the overall measurement accuracy of system；Utilize the health status of GIS emulation platform simulated ecological retaining wall body, there is the good effect carrying out interface alternation with user.

Accompanying drawing explanation

The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.

Fig. 1 is the structured flowchart of the present invention.

Detailed description of the invention

The invention will be further described with the following Examples.

Embodiment 1: the ecological retaining wall that can monitor in real time as shown in Figure 1, it includes ecological retaining wall body and is arranged on the intelligent monitor system of ecological retaining wall body, and described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

A, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

B, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by c, result according to safe condition module estimation shows on the interface of GIS platform.

Described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\&Delta;s}}^{\&prime;}=\mathrm{\&Delta;}s-\frac{{\mathrm{\&alpha;}}_1{a}_1+{\mathrm{\&alpha;}}_2{a}_2+...+{\mathrm{\&alpha;}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^k\&rsqb;}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal.

In this embodiment, connected by the structure of modules, it is achieved that the full-automatic monitoring of the dynamical health of ecological retaining wall, it is simple to personnel pinpoint the problems early, solution problem；Propose and carry out ecological retaining wall body health structure monitoring with wireless sensor network, cover wide, real-time；Propose fatigue life safety judgment formula, decrease the workload of calculating, improve the work efficiency of monitoring system；Propose the computing formula of average displacement, and average displacement is corrected, adopt average displacement and displacement threshold value to compare judgement, decrease the workload of calculating；Pair of strain sensors carries out temperature-compensating, improves the certainty of measurement of strain, and then improves the overall measurement accuracy of system；Utilize the health status of GIS emulation platform simulated ecological retaining wall body, there is the good effect carrying out interface alternation with user；Time phase t=24h, it is achieved that the full-automatic monitoring of ecological retaining wall body dynamical health, the overall measurement accuracy of system improves 15%.

Embodiment 2: the ecological retaining wall that can monitor in real time as shown in Figure 1, it includes ecological retaining wall body and is arranged on the intelligent monitor system of ecological retaining wall body, and described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

A, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

B, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by c, result according to safe condition module estimation shows on the interface of GIS platform.

Described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\&Delta;s}}^{\&prime;}=\mathrm{\&Delta;}s-\frac{{\mathrm{\&alpha;}}_1{a}_1+{\mathrm{\&alpha;}}_2{a}_2+...+{\mathrm{\&alpha;}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^k\&rsqb;}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal.

In this embodiment, connected by the structure of modules, it is achieved that the full-automatic monitoring of the dynamical health of ecological retaining wall, it is simple to personnel pinpoint the problems early, solution problem；Propose and carry out ecological retaining wall body health structure monitoring with wireless sensor network, cover wide, real-time；Propose fatigue life safety judgment formula, decrease the workload of calculating, improve the work efficiency of monitoring system；Propose the computing formula of average displacement, and average displacement is corrected, adopt average displacement and displacement threshold value to compare judgement, decrease the workload of calculating；Pair of strain sensors carries out temperature-compensating, improves the certainty of measurement of strain, and then improves the overall measurement accuracy of system；Utilize the health status of GIS emulation platform simulated ecological retaining wall body, there is the good effect carrying out interface alternation with user；Time phase t=28h, it is achieved that the full-automatic monitoring of ecological retaining wall body dynamical health, the overall measurement accuracy of system improves 17%.

Embodiment 3: the ecological retaining wall that can monitor in real time as shown in Figure 1, it includes ecological retaining wall body and is arranged on the intelligent monitor system of ecological retaining wall body, and described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

A, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

B, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by c, result according to safe condition module estimation shows on the interface of GIS platform.

Described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\&Delta;s}}^{\&prime;}=\mathrm{\&Delta;}s-\frac{{\mathrm{\&alpha;}}_1{a}_1+{\mathrm{\&alpha;}}_2{a}_2+...+{\mathrm{\&alpha;}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^k\&rsqb;}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal.

In this embodiment, connected by the structure of modules, it is achieved that the full-automatic monitoring of the dynamical health of ecological retaining wall, it is simple to personnel pinpoint the problems early, solution problem；Propose and carry out ecological retaining wall body health structure monitoring with wireless sensor network, cover wide, real-time；Propose fatigue life safety judgment formula, decrease the workload of calculating, improve the work efficiency of monitoring system；Propose the computing formula of average displacement, and average displacement is corrected, adopt average displacement and displacement threshold value to compare judgement, decrease the workload of calculating；Pair of strain sensors carries out temperature-compensating, improves the certainty of measurement of strain, and then improves the overall measurement accuracy of system；Utilize the health status of GIS emulation platform simulated ecological retaining wall body, there is the good effect carrying out interface alternation with user；Time phase t=32h, it is achieved that the full-automatic monitoring of ecological retaining wall body dynamical health, the overall measurement accuracy of system improves 18%.

Embodiment 4: the ecological retaining wall that can monitor in real time as shown in Figure 1, it includes ecological retaining wall body and is arranged on the intelligent monitor system of ecological retaining wall body, and described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

A, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

B, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by c, result according to safe condition module estimation shows on the interface of GIS platform.

Described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\&Delta;s}}^{\&prime;}=\mathrm{\&Delta;}s-\frac{{\mathrm{\&alpha;}}_1{a}_1+{\mathrm{\&alpha;}}_2{a}_2+...+{\mathrm{\&alpha;}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^k\&rsqb;}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal.

In this embodiment, connected by the structure of modules, it is achieved that the full-automatic monitoring of the dynamical health of ecological retaining wall, it is simple to personnel pinpoint the problems early, solution problem；Propose and carry out ecological retaining wall body health structure monitoring with wireless sensor network, cover wide, real-time；Propose fatigue life safety judgment formula, decrease the workload of calculating, improve the work efficiency of monitoring system；Propose the computing formula of average displacement, and average displacement is corrected, adopt average displacement and displacement threshold value to compare judgement, decrease the workload of calculating；Pair of strain sensors carries out temperature-compensating, improves the certainty of measurement of strain, and then improves the overall measurement accuracy of system；Utilize the health status of GIS emulation platform simulated ecological retaining wall body, there is the good effect carrying out interface alternation with user；Time phase t=36h, it is achieved that the full-automatic monitoring of ecological retaining wall body dynamical health, the overall measurement accuracy of system improves 20%.

Embodiment 5: the ecological retaining wall that can monitor in real time as shown in Figure 1, it includes ecological retaining wall body and is arranged on the intelligent monitor system of ecological retaining wall body, and described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

A, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

B, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by c, result according to safe condition module estimation shows on the interface of GIS platform.

Described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\&Delta;s}}^{\&prime;}=\mathrm{\&Delta;}s-\frac{{\mathrm{\&alpha;}}_1{a}_1+{\mathrm{\&alpha;}}_2{a}_2+...+{\mathrm{\&alpha;}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^k\&rsqb;}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal.

In this embodiment, connected by the structure of modules, it is achieved that the full-automatic monitoring of the dynamical health of ecological retaining wall, it is simple to personnel pinpoint the problems early, solution problem；Propose and carry out ecological retaining wall body health structure monitoring with wireless sensor network, cover wide, real-time；Propose fatigue life safety judgment formula, decrease the workload of calculating, improve the work efficiency of monitoring system；Propose the computing formula of average displacement, and average displacement is corrected, adopt average displacement and displacement threshold value to compare judgement, decrease the workload of calculating；Pair of strain sensors carries out temperature-compensating, improves the certainty of measurement of strain, and then improves the overall measurement accuracy of system；Utilize the health status of GIS emulation platform simulated ecological retaining wall body, there is the good effect carrying out interface alternation with user；Time phase t=40h, it is achieved that the full-automatic monitoring of ecological retaining wall body dynamical health, the overall measurement accuracy of system improves 21%.

Finally should be noted that; above example is only in order to illustrate technical scheme; but not limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.

Claims (1)

1. the ecological retaining wall can monitored in real time, is characterized in that, including ecological retaining wall body and the intelligent monitor system being arranged on ecological retaining wall body, described intelligent monitor system includes:

(1) monitoring modular, including the wireless sensor network that ecological retaining wall body health is monitored, for monitoring strain sensor assemblies and the displacement transducer of the ecological each dangerous position of retaining wall body, ecological retaining wall body health structure is monitored by described wireless sensor network all standing, simultaneously, network adopts advanced physical message emerging system, the real-time perception to ecological retaining wall body health structure；Institute's displacement sensors is for the working base point of monitoring dangerous position change in displacement and carries out three dimensions displacement monitoring based on the overall datum mark of working base point stability for checking, and described ecological each dangerous position of retaining wall body, working base point and overall situation datum mark are determined by ecological retaining wall body is carried out FEM Simulation；Described strain sensor assemblies includes being arranged at after performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer, described work strain transducer and temperature-compensating strain transducer are connected on each dangerous position of ecological retaining wall body；

(2) data processing module, it includes gathering central station, to gathering the signal conditioner that data of collecting of central station carry out conditioning processing and amplifying and the signal transmitting apparatus that the data that signal conditioner is processed is transmitted；

(3) security state evaluation module, described security state evaluation module includes the microprocessor connecting signal transmitting apparatus, the average displacement that the displacement data transmitted by signal transmitting apparatus is calculated obtaining between two time phase t by described microprocessor is poor, owing to therefore displacement difference first to be compensated by ecological retaining wall ontological existence phenomenon of expanding with heat and contract with cold, then average displacement difference is compared with regulation displacement difference limen value, judge that whether described average displacement difference is in a safe condition, and the Monitoring Data according to strain sensor assemblies 24h is calculated, obtain stress amplitude spectrum, the remanent fatigue life of ecological retaining wall body is calculated according to stress amplitude spectrum, and described remanent fatigue life and structural design life-span are compared, judge that whether described remanent fatigue life is in a safe condition；

A, average displacement w_(i)Computing formula be:

Wherein, taking 0.5h is sampling time interval, max&min_(i+t)For the maximum in the displacement data of previous time phase and minimum sum, max&min_(i+2t)For the maximum in the displacement data in latter time stage and minimum sum；

B, setting the coefficient of expansion as α, revised average displacement is:

${\mathrm{\&Delta;s}}^{\&prime;}=\mathrm{\&Delta;}s-\frac{{\mathrm{\&alpha;}}_1{a}_1+{\mathrm{\&alpha;}}_2{a}_2+...+{\mathrm{\&alpha;}}_n{a}_n}{n}(T-T_0)$

Wherein, α₁, α₂..., α_nFor the material temperature coefficient of expansion of each dangerous position, a₁, a₂..., a_nFor coefficient, T is mean temperature in section seclected time, T₀For ecological retaining wall body location year-round average temperature.

C, described life-span security evaluation judgment formula be:

Work as σ_x(i)≥σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^k\&rsqb;}-T_B$

Work as σ_x(i)<σ_bTime,

$A=\frac{1}{365\&CenterDot;\underset{i}{\overset{n}{\&Sigma;}}\&lsqb;\frac{p_i}{{10}^7}\&CenterDot;{\left(\frac{{\mathrm{\&sigma;}}_x\left(i\right)}{{\mathrm{\&sigma;}}_b}\right)}^{k+2}\&rsqb;}-T_B$

Wherein, σ_bFor the structural fatigue limit, σ_xFor the hot spot stress range of each monitoring point, the slope that k is fatigue curve is reciprocal, p_iFor the Cyclic Stress coefficient of the actual experience of structure under hot spot stress range, T_BFor structural design fatigue life, in actual applications, ecological retaining wall body overload can be subject to affect, be therefore dynamically change, and along with overload uses the change of natural law to be a nonlinear process,T_AFatigue life, d is designed for initiating structure_zRepresent that ecological retaining wall body overall design uses natural law, d_gRepresent that ecological retaining wall body overload uses natural law；When A is more than 0, it is determined that structural life-time is in a safe condition, when A is less than or equal to 0, output alarm signal；

(4) early warning and alarming module, it includes for preventing the analysis processor of false alarm, alarm and information database of record, and the input of described analysis processor connects described microprocessor, and the outfan of analysis processor connects described alarm；

(5) emulation display module, including the three-dimension GIS emulation platform being connected with microprocessor, the assessment result of security state evaluation module is carried out emulation display, the health status of simulated ecological retaining wall body by described three-dimension GIS emulation platform, and simulation process is:

A, utilize finite element software to import GIS platform after carrying out the modeling of ecological retaining wall body, build the model of ecological retaining wall body different component respectively, GIS platform adjusts the locus of each ecological retaining wall body member；

B, by different shape the symbols each dangerous position of analog information ecology retaining wall body, strain sensor assemblies and displacement transducer in GIS platform；

The color that the dangerous position being not at safe condition is specified by c, result according to safe condition module estimation shows on the interface of GIS platform.