CN102691525A - Method and system for remote three-dimensional digital safety early warming for tunnel construction landslide - Google Patents
Method and system for remote three-dimensional digital safety early warming for tunnel construction landslide Download PDFInfo
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- CN102691525A CN102691525A CN2012102064969A CN201210206496A CN102691525A CN 102691525 A CN102691525 A CN 102691525A CN 2012102064969 A CN2012102064969 A CN 2012102064969A CN 201210206496 A CN201210206496 A CN 201210206496A CN 102691525 A CN102691525 A CN 102691525A
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Abstract
The invention establishes a construction area tunnel excavation three-dimensional strain numerical model based on tunnel construction areal geology reconnaissance documents and an FLAC3D (Fast Lagrangian Analysis of Continua in 3-D) technology, establishes an intelligent displacement back analysis model based on a difference evolution method and establishes a three-dimensional visualization safety early warming platform based on a VTK (Visualization Tool Kit) commercial software system. The method comprises the following steps: acquiring real-time monitoring data of tunnel initial convergence displacement; transmitting the real-time monitoring data to a user computer; analyzing the obtained real-time monitoring displacement data by using the tunnel excavation three-dimensional strain numerical model and the intelligent displacement back analysis model; carry out displacement normal and back analysis by using the difference evolution method; displaying through the visualization safety early warming platform; analyzing and comparing real-time monitoring displacement values with a surrounding rock convergence deformation threshold obtained from the normal and back analysis; and subsequently carrying out graded early warming about the deformation stability of a tunnel supporting structure, wherein the early warming information is transmitted to cell phones of relevant on-site construction and ground management personnel through a short message module connected with a computer through a cell phone short message, so as to accomplish the remote three-dimensional digital safety early warming for tunnel construction landslides.
Description
Technical field
The invention belongs to tunnel and underground engineering construction field, be used for the safe early warning of large cross-section tunnel work progresss such as special line for passenger trains; Be specifically related to a kind of constructing tunnel long-range 3-dimensional digital safe early warning method that caves in, the invention still further relates to the constructing tunnel long-range 3-dimensional digital safety pre-warning system that caves in.
Background technology
Railway, highway tunnel and underground engineering construction security control are a difficult problem all the time.Landslide happens occasionally in the constructing tunnel, and constructor's life security has been constituted threat.Therefore developing constructing tunnel process monitoring early warning and safety has the important project meaning.
Aspect the research of constructing tunnel 3-dimensional digital safe early warning, still lack both at home and abroad, do not see the bibliographical information of the constructing tunnel 3-dimensional digital safe early warning that integrates tunnel excavation three dimensional strain numerical model, intelligent displacement back analysis model and three-dimensional visualization safe early warning platform so far as yet.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of constructing tunnel long-range 3-dimensional digital safe early warning method that caves in, and another technical problem that the present invention will solve is to provide a kind of constructing tunnel long-range 3-dimensional digital safety pre-warning system that caves in; Use method and system provided by the invention; Can real-time continuous monitor tunnel elementary supporting country rock convergent deformation situation; And country rock convergent deformation data in real time is transferred to the remote monitoring main frame continuously; According to deformation data step by step, 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: a kind of constructing tunnel long-range 3-dimensional digital safe early warning method that caves in comprises the steps:
A. select to be studied the object that the tunnel is implemented as long-range 3-dimensional digital safety pre-warning system; 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 three dimensional strain numerical model;
C. remote computer is set up tunnel intelligent displacement back analysis model based on difference evolution algorithm (Differential Evolution, vehicle economy);
D. remote computer is set up the visual safe early warning platform of three-dimensional visible based on VTK (Visualization Toolkit) business software system;
E. when studying the tunnel preliminary bracing; The installation hydrostatic level is vault in the tunnel; The installation multiple position extensometer is haunch in the tunnel; Gather the country rock initial convergence and be out of shape real-time monitored data, the real-time monitored data of country rock convergent deformation is transmitted and is loaded into the tunnel excavation three dimensional strain numerical model and the tunnel intelligent displacement back analysis model of remote computer foundation;
F. tunnel excavation three dimensional strain numerical model and the tunnel intelligent displacement back analysis model actual measurement country rock convergent deformation data that will obtain are carried out positive and negative analysis, represent through three-dimensional visualization safe early warning platform; And will survey after country rock convergent deformation 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 constructing tunnel long-range 3-dimensional digital safe early warning that caves in.
A kind of constructing tunnel long-range 3-dimensional digital safety pre-warning system that caves in comprises several hydrostatic levels, several multiple position extensometers; 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 hydrostatic level and multiple position extensometer; 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 several mobile phone wireless signal and communications.
During construction,, confirm that hydrostatic level is in the laying section spacing of vault and the laying of multiple position extensometer according to elementary supporting and protection structure in tunnel and country rock rank.
The invention provides the technology that a kind of long-range 3-dimensional digital safe early warning that will cave in based on the constructing tunnel of hydrostatic level and multiple position extensometer combines with the constructing tunnel process.Execution control related personnel and floor control personnel are in time taken preventive measures according to early warning information, improve working security.
Description of drawings
Fig. 1 is that hydrostatic level in the tunnel, multiple position extensometer and automatic data collection appearance, GPRS static data Acquisition Instrument are arranged skiagraph.
Fig. 2 is that hydrostatic level in the tunnel, multiple position extensometer are arranged cross-sectional drawing.
Fig. 3 is structure of the present invention and data acquisition transmission sketch map.
Among the figure: 1-hydrostatic level, 2-automatic data collection appearance, 3-GPRS static data Acquisition Instrument, 4-one lining is 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, base station, 15-multiple position extensometer are accepted in 14-communication.
The specific embodiment
System embodiment such as Fig. 1, Fig. 2 and shown in Figure 3: a kind of constructing tunnel long-range 3-dimensional digital safety pre-warning system that caves in; Comprise several hydrostatic levels 1, multiple position extensometer 15, 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; Several hydrostatic levels 1 are connected on the main connecting line with multiple position extensometer 15, and main connecting line is connected with automatic data collection appearance 2 inputs; 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 14, 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 several mobile phone 13 wireless signal communications.
In the constructing tunnel process, generally include a lining interval 4 and face 5, steel bow member 6 is set below the tunnel surrounding free face 7.Fig. 1 illustrates hydrostatic level 1 laying situation; At a lining interval 4 a plurality of hydrostatic level 1 is set, multiple position extensometer 15, one linings interval 4 also are provided with automatic data collection appearance 2 and GPRS static data Acquisition Instrument 3.
Fig. 2 illustrates hydrostatic level 1 and the laying mode of multiple position extensometer 15 at tunnel cross section, and hydrostatic level 1 is arranged on the tunnel vault, and multiple position extensometer 15 is arranged on haunch.
Method embodiment
(1) object of selecting a tunnel to implement as constructing tunnel 3-dimensional digital safety pre-warning system; 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 geological mapping data, test data and Tunnel Design parameter information data, set up early warning system objective for implementation zone tunnel excavation 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;
(3) set up intelligent displacement back analysis model 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 that hydrostatic level 1, multiple position extensometer 15 are installed synchronously according to elementary supporting and protection structure; Gather tunnel initial convergence real-time displacement monitoring data; And real-time monitored data is sent to GPRS static data Acquisition Instrument 2 through automatic data collection appearance 2; Send to commercial satellite 8 through near the communications transmit base station 9 GPRS static data Acquisition Instrument 3 again, be transferred to other communications reception base stations 14 afterwards, and entering internet 10 is transferred to subscriber computer 11 and calls excavation three dimensional strain numerical model, intelligent displacement back analysis model;
The actual measurement deformation data that (5) will be obtained by tunnel excavation 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 country rock convergent deformation 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; Early warning information is passed through and the F2003GSMDTU SMS module 12 that is 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 constructing tunnel long-range 3-dimensional digital safe early warning that caves in.
Claims (6)
1. a constructing tunnel long-range 3-dimensional digital safe early warning method that caves in 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 safety pre-warning system; 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 three dimensional strain numerical model;
C. remote computer is that Differential Evolution sets up tunnel intelligent displacement back analysis model based on the difference evolution algorithm;
D. remote computer is that Visualization Toolkit business software system sets up the visual safe early warning platform of three-dimensional visible based on VTK;
E. when studying the tunnel preliminary bracing; The installation hydrostatic level is vault in the tunnel; The installation multiple position extensometer is haunch in the tunnel; Gather the country rock initial convergence and be out of shape real-time monitored data, the real-time monitored data of country rock convergent deformation is transmitted and is loaded into the tunnel excavation three dimensional strain numerical model and the tunnel intelligent displacement back analysis model of remote computer foundation;
F. tunnel excavation three dimensional strain numerical model and the tunnel intelligent displacement back analysis model actual measurement country rock convergent deformation data that will obtain are carried out positive and negative analysis, represent through the visual safe early warning platform of three-dimensional visible; And will survey after country rock convergent deformation 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 constructing tunnel long-range 3-dimensional digital safe early warning that caves in.
2. a kind of constructing tunnel as claimed in claim 1 long-range 3-dimensional digital safe early warning method that caves in; It is characterized in that: the country rock initial convergence 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 intelligent displacement back analysis model.
3. a constructing tunnel long-range 3-dimensional digital safety pre-warning system that caves in comprises several hydrostatic levels, several multiple position extensometers; 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 hydrostatic level and multiple position extensometer; 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 several mobile phone wireless signal and communications.
4. a kind of constructing tunnel as claimed in claim 3 long-range 3-dimensional digital safety pre-warning system that caves in, it is characterized in that: several hydrostatic levels and multiple position extensometer are connected on the main connecting line, and main connecting line is connected with automatic data collection appearance input.
5. like claim 3 or the 4 described a kind of constructing tunnels long-range 3-dimensional digital safety pre-warning system that caves in, it is characterized in that: hydrostatic level is arranged on the tunnel vault, and multiple position extensometer is arranged on haunch.
6. a kind of constructing tunnel as claimed in claim 5 long-range 3-dimensional digital safety pre-warning system that caves in is characterized in that: it is interval that automatic data collection appearance and GPRS static data Acquisition Instrument are arranged on tunnel one lining.
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Cited By (8)
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| CN102979071A (en) * | 2012-12-04 | 2013-03-20 | 中铁二十一局集团有限公司 | Remote intelligent monitoring and three-dimensional early warning method and system for stress stability of deep foundation pit |
| CN103017827A (en) * | 2012-12-11 | 2013-04-03 | 武汉理工大学 | Multi-sensor real-time monitoring system for construction protection of bridges and culverts of business lines of railways |
| 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 |
| CN103198215A (en) * | 2013-03-20 | 2013-07-10 | 辽宁工程技术大学 | Method for predicting subsidence of soil outside pit based on differential evolution support vector machine |
| CN103835764A (en) * | 2014-01-16 | 2014-06-04 | 广州市建设工程质量安全检测中心 | Underground engineering and deep foundation pit safety monitoring and early warning system |
| CN104948232A (en) * | 2014-03-31 | 2015-09-30 | 中铁西北科学研究院有限公司深圳南方分院 | Tunnel construction collapse early-warning method and system |
| CN109458984A (en) * | 2018-12-12 | 2019-03-12 | 中交第二航务工程局有限公司 | Tunnel deformation real-time monitoring device and method |
| CN112964188A (en) * | 2021-02-07 | 2021-06-15 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Method for improving laser automatic measurement precision of tunnel deformation in construction period |
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| CN109458984B (en) * | 2018-12-12 | 2023-09-12 | 中交第二航务工程局有限公司 | Tunnel deformation real-time monitoring device and method |
| CN112964188A (en) * | 2021-02-07 | 2021-06-15 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Method for improving laser automatic measurement precision of tunnel deformation in construction period |
| CN112964188B (en) * | 2021-02-07 | 2022-03-25 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Method for improving laser automatic measurement precision of tunnel deformation in construction period |
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Application publication date: 20120926 |