CN102797504A - Remote three-dimensional digital alarm method and facility of deformation stability of primary tunnel supporting body - Google Patents
Remote three-dimensional digital alarm method and facility of deformation stability of primary tunnel supporting body Download PDFInfo
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- CN102797504A CN102797504A CN2012103161326A CN201210316132A CN102797504A CN 102797504 A CN102797504 A CN 102797504A CN 2012103161326 A CN2012103161326 A CN 2012103161326A CN 201210316132 A CN201210316132 A CN 201210316132A CN 102797504 A CN102797504 A CN 102797504A
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Abstract
The invention relates to remote three-dimensional digital alarm method and facility of the deformation stability of a primary tunnel supporting body. In the invention, a three-dimensional strain numerical model of a tunnel excavation supporting body in a construction area is established on the basis of tunnel construction area geological survey data and a FLAC (Free Lossless Audio Codec) 3D technology; an intelligent displacement back analysis model is established on the basis of a differential evolution method, and a three-dimensional visualized safe alarm platform is established on the basis of a VTK (Visualization Toolkit) business software system; the real-time deformation monitoring data of the tunnel supporting body is acquired by a double-shaft obliquity sensor arranged between two lining areas and transmitted to a remote user computer; obtained actual measurement displacement data is subjected to forward and back analysis by the three-dimensional strain numerical model and the intelligent displacement back analysis model of the tunnel excavation supporting body and displayed through the three-dimensional visualized safe alarm platform; the grading alarm of the deformation stability of a tunnel supporting structure is carried out by analyzing an actual measurement displacement value and the deformation threshold value of the primary tunnel supporting body, which is obtained through the forward and back analysis, and alarm information is sent to a mobile phone of a related person in a mobile phone text message way so that the alarm of the deformation stability of the primary tunnel supporting body is completed, and therefore, the construction safety is enhanced.
Description
Technical field
The invention belongs to tunnel and underground engineering construction field, be used for the elementary supporting stability safe early warning in tunnel; Be specifically related to the long-range 3-dimensional digital method for early warning of the elementary prop deformation stability in tunnel, the invention still further relates to the long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in tunnel.
Background technology
Railway, highway tunnel and underground engineering construction security control are a difficult problem all the time.Elementary supporting deformation failure happens occasionally in the constructing tunnel, and constructor's life security has been constituted threat.Therefore the technical research of carrying out elementary supporting stability safe early warning aspect, tunnel has the important project meaning.
Still few aspect tunnel elementary prop deformation stability safe early warning research both at home and abroad; So far, Shang Weijian integrates the bibliographical information of the tunnel elementary prop deformation stability 3-dimensional digital safe early warning of tunnel excavation prop three dimensional strain numerical model, intelligent displacement back analysis model and three-dimensional visualization safe early warning platform.
Summary of the invention
The technical problem that the present invention will solve is to provide the elementary prop deformation stability in a kind of tunnel long-range 3-dimensional digital method for early warning; Another technical problem that the present invention will solve is to provide the elementary prop deformation stability in a kind of tunnel long-range 3-dimensional digital pre-warning facility; Use method provided by the invention and facility; Can real-time continuous monitor the elementary supporting stability in tunnel; And tunnel elementary prop deformation data real-time continuous is transferred to the remote monitoring main frame; Remote monitoring main frame basis is deformation data step by step, and the deformation stability of accomplishing tunnel support structure carries out grading forewarning system.
It is following that the present invention solves the problems of the technologies described above the technical scheme of being taked: the long-range 3-dimensional digital method for early warning of the elementary prop deformation stability in a kind of tunnel comprises the steps:
A. select to be studied the objective for implementation of tunnel as long-range 3-dimensional digital safe early warning facility; Collect this constructing tunnel zone country rock engineering geologic investigation data, the inside and outside test data of collecting chamber is collected Tunnel Design parameter information data;
B. be foundation with step a gained geological mapping data, test data and Tunnel Design parameter information data, by remote computer based on continuous media fast Lagrangian analysis program FLAC
3DSet up tunnel excavation prop three dimensional strain numerical model;
C. remote computer is set up tunnel elementary prop intelligence displacement back analysis model based on difference evolution algorithm (Differential Evolution, vehicle economy);
D. remote computer is set up three-dimensional visualization safe early warning platform based on VTK (Visualization Toolkit) business software system;
E. when studying the tunnel preliminary bracing; Lay several SCA126T type double-shaft tilt angle sensors at tunnel cross-section; Gather the real-time monitored data of tunnel support body deformability, and the elementary prop intelligence of tunnel excavation prop three dimensional strain numerical model and the tunnel displacement back analysis model that remote computer is set up is transmitted and be loaded into to real-time monitored data;
F. the elementary prop in tunnel excavation prop three dimensional strain numerical model and the tunnel intelligence displacement back analysis model elementary prop deformation data of actual measurement that will obtain carries out positive and negative analysis, represents through three-dimensional visualization safe early warning platform; And will survey after elementary prop distortion threshold value that deformation values and positive and negative analysis obtain compares analysis; Deformation stability to tunnel support structure carries out grading forewarning system; The SMS module of all early warning information through being connected with computer; Be sent to site construction management and floor control related personnel's mobile phone with mobile phone short messages, thereby accomplish the long-range 3-dimensional digital early warning of the elementary prop deformation stability in tunnel.
The long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in a kind of tunnel comprises several double-shaft tilt angle sensors; It is characterized in that: also comprise the automatic data collection appearance, GPRS static data Acquisition Instrument, communications transmit base station, commercial satellite, communications reception base station, internet and the remote computer that connect successively; Automatic data collection appearance input wired connection double-shaft tilt angle sensor; Automatic data collection appearance output wireless connections GPRS static data Acquisition Instrument; Between GPRS static data Acquisition Instrument, communications transmit base station, commercial satellite, communications reception base station and the internet successively the wireless signal communication be connected; The internet is connected with remote computer; Remote computer is connected with the F2003GSMDTU SMS module, and the F2003GSMDTU SMS module is connected with a plurality of mobile phone wireless signal and communications.
During construction, according to the constructing tunnel field condition, specific section is provided with several double-shaft tilt angle sensors in the tunnel.
The invention provides a kind of technology that will combine with the constructing tunnel process based on the long-range 3-dimensional digital early warning of elementary prop deformation stability of the tunnel of double-shaft tilt angle sensor.The present invention is based on constructing tunnel areal geology prospecting data and FLAC
3DTechnology is set up construction area tunnel excavation prop three dimensional strain numerical model, and sets up intelligent displacement back analysis model and set up three-dimensional visualization safe early warning platform based on VTK business software system based on difference evolution method; Gather the real-time monitored data of tunnel support body deformability based on double-shaft tilt angle sensor; And real-time monitored data is transferred to subscriber computer; By tunnel excavation prop three dimensional strain numerical model, intelligent displacement back analysis model with the measured displacements data that obtain; Carry out positive and negative analysis, represent through visual safe early warning platform; And after the elementary prop distortion threshold value that measured displacements value and positive and negative analysis obtain compared analysis; Deformation stability to tunnel support structure carries out grading forewarning system; The SMS module of early warning information through being connected with computer; Be sent to site operation and floor control related personnel's mobile phone with mobile phone short messages, accomplish the long-range 3-dimensional digital early warning of the elementary prop deformation stability in tunnel; The execution control related personnel is in time taken preventive measures according to early warning information, improve working security.
Description of drawings
Fig. 1 is that double-shaft tilt angle sensor and automatic data collection appearance in the tunnel, GPRS static data Acquisition Instrument are arranged skiagraph;
Fig. 2 is that double-shaft tilt angle sensor is arranged cross-sectional drawing in the tunnel;
Fig. 3 is a structural relation sketch map of the present invention.
Among the figure: 1-double-shaft tilt angle sensor, 2-automatic data collection appearance, 3-GPRS static data Acquisition Instrument, 4-two linings are interval; 5-face, 6-steel bow member, 7-tunnel surrounding free face, 8-commercial satellite; 9-communications transmit base station, 10-internet, 11-remote computer; 12-F2003GSMDTU SMS module, 13-mobile phone, the base station is accepted in 14-communication.
The specific embodiment
Facility embodiment such as Fig. 1 and shown in Figure 3: the long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in a kind of tunnel comprises that double-shaft tilt angle sensors 1 that several connect through measuring staff and wired are serially connected in a double-shaft tilt angle sensor output; Be that several double-shaft tilt angle sensors 1 are serially connected on the single line; This line reduces the quantity of the line that is connected with automatic data collection appearance 2 as the double-shaft tilt angle sensor output; Also comprise the automatic data collection appearance 2, GPRS static data Acquisition Instrument 3, communications transmit base station 9, commercial satellite 8, communications reception base station 14, internet 10 and the remote computer 11 that connect successively; Double-shaft tilt angle sensor output and automatic data collection appearance 2 input wired connections; Automatic data collection appearance 2 output wireless connections GPRS static data Acquisition Instruments 3; Between GPRS static data Acquisition Instrument 3, communications transmit base station 9, commercial satellite 8, communications reception base station 14 and the internet 10 successively the wireless signal communication be connected; Internet 10 is connected with remote computer 11; Remote computer 11 is connected with F2003GSMDTU SMS module 12, and F2003GSMDTU SMS module 12 is connected with a plurality of mobile phone 13 wireless signal communications.
In the constructing tunnel process, generally include two linings interval 4 and faces 5, steel bow member 6 is set below the tunnel surrounding free face 7.Fig. 1 shows double-shaft tilt angle sensor 1 laying situation; Establishing several at the same section of tunnel double-lining interval 4 puts double-shaft tilt angle sensor 1, two lining interval 4 and also is provided with automatic data collection appearance 2 and GPRS static data Acquisition Instrument 3.
Fig. 2 shows the laying mode of double-shaft tilt angle sensor 1 at tunnel cross section.
Method embodiment
(1) object of selecting a tunnel to implement as constructing tunnel 3-dimensional digital safe early warning facility; Collect this constructing tunnel zone country rock engineering geologic investigation data, the indoor and outdoor test data is collected Tunnel Design parameter information data;
(2) be foundation with step (1) gained engineering geologic investigation data, test data and Tunnel Design parameter information data, set up pre-warning facility objective for implementation zone tunnel excavation prop three dimensional strain numerical model; The foundation of three dimensional strain numerical model is based on FLAC
3DParameters such as software and tunnel surrounding modulus of compressibility, poisson's ratio, modulus of elasticity, tunnel support mechanics parameter;
(3) set up elementary prop intelligence displacement back analysis model in tunnel and three-dimensional visualization safe early warning platform; Intelligence displacement back analysis model is based on the difference evolution algorithm; Visual safe early warning platform is based on VTK (Visualization Toolkit) business software system;
(4) in the constructing tunnel; Select suitable section and preliminary bracing to lay several double-shaft tilt angle sensors 1 synchronously according to elementary supporting and protection structure; Gather the real-time monitored data of tunnel support body deformability; And real-time monitored data is sent to GPRS static data Acquisition Instrument 2 through automatic data collection appearance 2, and send to commercial satellite 8 through near the communications transmit base stations 9 GPRS static data Acquisition Instrument 3 again, be transferred to communications reception base station 14 afterwards; And get into the remote computer 11 that internet 10 is transferred to the user, call tunnel excavation prop three dimensional strain numerical model, tunnel elementary prop intelligence displacement back analysis model;
The actual measurement deformation data that (5) will be obtained by tunnel excavation prop three dimensional strain numerical model, intelligent displacement back analysis model carries out positive and negative analysis, represents through three-dimensional visualization safe early warning platform; And after the elementary prop distortion threshold value that measured displacements value and positive and negative analysis obtain compared analysis; Deformation stability to tunnel support structure carries out grading forewarning system; The F2003GSMDTU SMS module 12 of early warning information through being connected with computer 11; Be sent to site construction management and floor control related personnel's mobile phone 13 with mobile phone short messages, thereby accomplish the long-range 3-dimensional digital early warning of the elementary prop deformation stability in tunnel.
Claims (6)
1. the long-range 3-dimensional digital method for early warning of the elementary prop deformation stability in tunnel is characterized in that comprising the steps:
A. select to be studied the object that the tunnel is implemented as long-range 3-dimensional digital safe early warning facility; Collect this constructing tunnel zone country rock engineering geologic investigation data, the indoor and outdoor test data is collected Tunnel Design parameter information data;
B. be foundation with step a gained geological mapping data, test data and Tunnel Design parameter information data, by remote computer based on continuous media fast Lagrangian analysis program FLAC
3DSet up tunnel excavation prop three dimensional strain numerical model;
C. remote computer is set up tunnel elementary prop intelligence displacement back analysis model based on difference evolution algorithm (Differential Evolution, vehicle economy);
D. remote computer is set up three-dimensional visualization safe early warning platform based on VTK (Visualization Toolkit) business software system;
E. when studying the tunnel preliminary bracing; Lay several double-shaft tilt angle sensors; Gather the elementary prop in tunnel and be out of shape real-time monitored data, elementary prop is out of shape real-time monitored data transmission and is loaded into the elementary prop intelligence of tunnel excavation prop three dimensional strain numerical model and the tunnel displacement back analysis model that remote computer is set up;
F. the elementary prop in tunnel excavation prop three dimensional strain numerical model and the tunnel intelligence displacement back analysis model elementary prop deformation data of actual measurement that will obtain carries out positive and negative analysis, represents through three-dimensional visualization safe early warning platform; And will survey after elementary prop distortion threshold value that deformation values and positive and negative analysis obtain compares analysis; The deformation stability of tunnel support structure is carried out grading forewarning system obtain early warning information; The SMS module of all early warning information through being connected with computer; Be sent to site construction management and floor control related personnel's mobile phone with mobile phone short messages, thereby accomplish the long-range 3-dimensional digital early warning of the elementary prop deformation stability in tunnel.
2. the long-range 3-dimensional digital method for early warning of the elementary prop deformation stability in a kind of tunnel as claimed in claim 1; It is characterized in that: the elementary prop in tunnel that step e gathers is out of shape real-time monitored data; Be sent to GPRS static data Acquisition Instrument through the automatic data collection appearance; Send to commercial satellite through near the communications transmit base station the GPRS static data Acquisition Instrument again; Be transferred to the communications reception base station afterwards, the entering internet transmission is to user's remote computer and call tunnel elementary prop intelligence displacement back analysis model.
3. the long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in tunnel comprises several double-shaft tilt angle sensors; It is characterized in that: also comprise the automatic data collection appearance, GPRS static data Acquisition Instrument, communications transmit base station, commercial satellite, communications reception base station, internet and the remote computer that connect successively; Automatic data collection appearance input wired connection double-shaft tilt angle sensor; Automatic data collection appearance output wireless connections GPRS static data Acquisition Instrument; Between GPRS static data Acquisition Instrument, communications transmit base station, commercial satellite, communications reception base station and the internet successively the wireless signal communication be connected; The internet is connected with remote computer; Remote computer is connected with the F2003GSMDTU SMS module, and the F2003GSMDTU SMS module is connected with a plurality of mobile phone wireless signal and communications.
4. the long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in a kind of tunnel as claimed in claim 3; It is characterized in that: connect through measuring staff between several double-shaft tilt angle sensors and wiredly be serially connected in a double-shaft tilt angle sensor output, double-shaft tilt angle sensor output and automatic data collection appearance input wired connection.
5. like claim 3 or the long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in 4 described a kind of tunnels, it is characterized in that: several double-shaft tilt angle sensors are arranged on the interval same section of tunnel double-lining.
6. the long-range 3-dimensional digital pre-warning facility of the elementary prop deformation stability in a kind of tunnel as claimed in claim 5 is characterized in that: automatic data collection appearance and GPRS static data Acquisition Instrument are arranged on the tunnel double-lining interval.
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CN103031862A (en) * | 2013-01-12 | 2013-04-10 | 中铁二十一局集团有限公司 | Three-dimensional digital prewarning method and facility for remote intelligent monitoring of deep foundation pit deformation stability |
CN103046526A (en) * | 2013-01-10 | 2013-04-17 | 中铁二十一局集团有限公司 | Method and system for remote intelligent monitoring and three-dimensional digital early warning of deep foundation pit bottom surface upheavals |
CN103061322A (en) * | 2013-01-09 | 2013-04-24 | 中铁二十一局集团有限公司 | Method and system for remote intelligent monitoring and three-dimensional digital comprehensive warning of deep foundation pit stability |
CN106682318A (en) * | 2016-12-29 | 2017-05-17 | 武汉大学 | Method for computing primary supporting opportunity on basis of longitudinal deformation curves of surrounding rock of tunnels |
CN106705928A (en) * | 2017-01-17 | 2017-05-24 | 同济大学 | Large-diameter shield tunnel deformation monitoring and warning method |
CN109630154A (en) * | 2019-01-24 | 2019-04-16 | 华能西藏雅鲁藏布江水电开发投资有限公司 | A kind of development machine people and remote mobile terminal command system for tunnel piercing |
CN111022124A (en) * | 2019-12-31 | 2020-04-17 | 山东交通学院 | Advanced early warning method for short-term and long-term deformation of bridge and tunnel engineering |
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CN103061322A (en) * | 2013-01-09 | 2013-04-24 | 中铁二十一局集团有限公司 | Method and system for remote intelligent monitoring and three-dimensional digital comprehensive warning of deep foundation pit stability |
CN103061322B (en) * | 2013-01-09 | 2015-12-23 | 中铁二十一局集团有限公司 | Deep foundation ditch stability remote intelligent monitoring 3-dimensional digital comprehensive pre-warning method and system |
CN103046526A (en) * | 2013-01-10 | 2013-04-17 | 中铁二十一局集团有限公司 | Method and system for remote intelligent monitoring and three-dimensional digital early warning of deep foundation pit bottom surface upheavals |
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CN106705928A (en) * | 2017-01-17 | 2017-05-24 | 同济大学 | Large-diameter shield tunnel deformation monitoring and warning method |
CN106705928B (en) * | 2017-01-17 | 2019-10-18 | 同济大学 | A kind of large diameter shield tunnel deformation monitoring method for early warning |
CN109630154A (en) * | 2019-01-24 | 2019-04-16 | 华能西藏雅鲁藏布江水电开发投资有限公司 | A kind of development machine people and remote mobile terminal command system for tunnel piercing |
CN109630154B (en) * | 2019-01-24 | 2023-08-25 | 华能西藏雅鲁藏布江水电开发投资有限公司 | Tunneling robot for tunneling and remote mobile terminal command system |
CN111022124A (en) * | 2019-12-31 | 2020-04-17 | 山东交通学院 | Advanced early warning method for short-term and long-term deformation of bridge and tunnel engineering |
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Application publication date: 20121128 |