CN102425432A - Timely yield supporting system for deep high-stress broken-expansion surrounding rocks - Google Patents
Timely yield supporting system for deep high-stress broken-expansion surrounding rocks Download PDFInfo
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- CN102425432A CN102425432A CN2011104190251A CN201110419025A CN102425432A CN 102425432 A CN102425432 A CN 102425432A CN 2011104190251 A CN2011104190251 A CN 2011104190251A CN 201110419025 A CN201110419025 A CN 201110419025A CN 102425432 A CN102425432 A CN 102425432A
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Abstract
The invention relates to a timely yield supporting system for deep high-stress broken-expansion surrounding rocks. The system mainly comprises a surrounding rock classification and evaluation submodule RC, a timely yield supporting design submodule SY and a feedback design submodule DR; the surrounding rock classification and evaluation submodule RC is used for performing computation and analysis according to parameter input from an engineering geological survey so as to obtain an overall supporting scheme; the timely yield supporting design submodule SY is used for receiving computed results and the overall supporting scheme obtained from the surrounding rock classification and evaluation submodule RC, performing integrated optimization to obtain an optimal scheme, and then performing construction and supporting tests on a high-stress soft rock roadway; and the feedback design submodule DR is used for performing feedback design on the original supporting scheme by using real-time monitoring data, which is obtained by monitoring the roadway surrounding rocks in real time, in a use process after the supporting is finished, and obtaining an adjusted supporting scheme, wherein the adjusted supporting scheme is used for performing graphic generating and processing mainly through a graphic processing and generating module CAD (Computer-Aided Design), a displayer, graph outputting equipment and the like. The timely yield supporting system disclosed by the invention has a very good effect on optimizing an excavation sequence and supporting after proper yielding and provides safety guarantee for mining.
Description
Technical field
The present invention relates to a kind of supporting design system of deep tunnel country rock.
Background technology
Along with the lot of consumption of expanding economy and mineral resources, roadway excavation more and more develops to the deep.But because in the middle of excavation and construction, geological conditions becomes increasingly complex, each construction project encounters greater difficulties than ever.Particularly,, add deep geostatic stress effect, cause surrouding rock deformation big, phenomenons such as supporting inefficacy because the whole degree of crushing of rock mass is bigger for excavation and support work than the place, deep.This has all had a strong impact on the development progress and the operation plan in each big mining area.
At present, generally adopt a kind of or cooperative programs in the spray of anchor net, anchor cable, anchor notes or the steel bow member etc. for the supporting of deep weak surrounding rock; For heavily stressed, the breaking surrounding rock in the complex structure zone, release or yield supporting technology has been proposed then.But let how many ununified standards of measurement of pressing displacement or discharging stress, its systematic research is operated in still rare both at home and abroad.Therefore, according to the design philosophy of " optimize sequence of excavation, suitably let and press the back supporting ", a kind of supporting method for designing and system of deep tunnel country rock proposed.
Summary of the invention
For overcoming the above problems; The present invention provides a kind of in good time yield supporting system that is suitable for the heavily stressed broken bloated country rock in deep; Design scheme of the present invention is following: the in good time yield supporting system of the heavily stressed broken bloated country rock in a kind of deep mainly comprises rocvk classification and estimates submodule RC, the submodule of yield supporting design in good time SY, Feedback Design submodule DR; Wherein:
Said rocvk classification and evaluation submodule RC are used for the parameter according to engineering geological survey is input into capable computational analysis, draw overall supporting scheme;
Said in good time yield supporting design submodule SY is used for receiving rocvk classification and estimates resulting result of calculation of submodule RC and overall supporting scheme; Obtain 16 schemes according to three factors, four horizontal quadrature test design methods; And respectively these schemes are carried out numerical analysis; Complex optimum goes out preferred plan, according to this preferred plan that draws is constructed and supporting test in the high stressed soft rock tunnel;
Said Feedback Design submodule DR is used for the use after supporting is accomplished; To monitor resulting real-time monitor data to roadway surrounding rock in real time former supporting scheme will be carried out Feedback Design; And obtaining adjusting supporting scheme, the adjustment supporting scheme mainly carries out figure through graphics process and generation module CAD, display and map delivery device etc. to be generated and handles.
The module that said in good time yield supporting design submodule SY is used for Orthogonal Experiment and Design can be the OET of system.Adopt this system can avoid repetitive operation as much as possible, can let us pick out the representational point of part in the comprehensive test and make an experiment, possess even dispersion, neat comparable characteristics, can high efficiency, quick, the economic design that makes an experiment.
Said in good time yield supporting design submodule SY is used for the module that 16 schemes are carried out numerical analysis can be finite difference numerical Analysis System FLAC.This system call ground class large software FLAC; It can calculate the deformation process of geotechnical engineering under supporting condition; It is the quick Lagrange routine analyzer of a kind of explicit finite difference continuous media; 6 kinds of materials such as embedded elastic model, More-Coulomb criterion, strain hardening and strain softening model, advantage such as can simulate that stress field under the different loading environments generates, underground chamber excavation and anchor pole or anchor cable are provided with.
The system that said in good time yield supporting design submodule SY is used for complex optimum can be overall merit and optimization system OMO.This system synthesis has been considered the estimation of stability index of underground country rock engineering; Comprise desired values such as final drag that maximum displacement monitoring, final rate of convergence, supporting and protection structure bears, plastic zone hoop scope, safety factor, thereby can comparatively reasonably find out preferred preferred plan.
Figure of description:
Fig. 1 is a workflow diagram of the present invention.
Specific embodiment:
Below in conjunction with specific embodiment the present invention is done further elaboration explanation.Shown in flow chart: the in good time yield supporting system of the heavily stressed broken bloated country rock in a kind of deep in the present embodiment, it mainly comprises rocvk classification and estimates submodule RC1, yield supporting design submodule SY2 and Feedback Design submodule DR3 in good time; Wherein:
Said rocvk classification and evaluation submodule RC1 are used for the parameter according to engineering geological survey is input into capable computational analysis, draw overall supporting scheme;
Said in good time yield supporting design submodule SY2 is used for receiving rocvk classification and estimates resulting result of calculation of submodule RC1 and overall supporting scheme; The OET4 of employing system obtains 16 schemes according to three factors, four horizontal quadrature test design methods; FLAC carries out numerical analysis to these schemes respectively with the finite difference numerical Analysis System; Overall merit and optimization system OMO6 complex optimum go out preferred plan, according to this preferred plan that draws are constructed and supporting test in the high stressed soft rock tunnel;
Said Feedback Design submodule DR (3) is used for the use after supporting is accomplished; To monitor resulting real-time monitor data to roadway surrounding rock in real time former supporting scheme will be carried out Feedback Design; And obtaining adjusting supporting scheme, the adjustment supporting scheme mainly carries out figure through graphics process and generation module CAD, display and map delivery device etc. to be generated and handles.
Above specific embodiment is a better embodiment of the present invention; But be not full content of the present invention; Adopt some functional modules among alternative the present invention of identical function module to reach all equivalents that same purpose etc. is done in spirit of the present invention, all will be in protection domain of the present invention.
Claims (4)
1. the in good time yield supporting system of the heavily stressed broken bloated country rock in deep, it is characterized in that: it mainly comprises rocvk classification and estimates submodule RC (1), the submodule SY (2) of yield supporting design in good time, Feedback Design submodule DR (3); Wherein:
Said rocvk classification and evaluation submodule RC (1) are used for the parameter according to engineering geological survey is input into capable computational analysis, draw overall supporting scheme;
Said in good time yield supporting design submodule SY (2) is used for receiving rocvk classification and estimates resulting result of calculation of submodule RC (1) and overall supporting scheme; Obtain 16 schemes according to three factors, four horizontal quadrature test design methods; And respectively these schemes are carried out numerical analysis; Complex optimum goes out preferred plan, according to this preferred plan that draws is constructed and supporting test in the high stressed soft rock tunnel;
Said Feedback Design submodule DR (3) is used for the use after supporting is accomplished; To monitor resulting real-time monitor data to roadway surrounding rock in real time former supporting scheme will be carried out Feedback Design; And obtaining adjusting supporting scheme, the adjustment supporting scheme mainly carries out figure through graphics process and generation module CAD, display and map delivery device etc. to be generated and handles.
2. according to the in good time yield supporting system of the heavily stressed broken bloated country rock in the described a kind of deep of claim 1, it is characterized in that: the module that said in good time yield supporting design submodule SY (2) is used for Orthogonal Experiment and Design is the OET of system (4).
3. according to the in good time yield supporting system of the heavily stressed broken bloated country rock in the described a kind of deep of claim 1, it is characterized in that: the module that said in good time yield supporting design submodule SY (2) is used for 16 schemes are carried out numerical analysis is finite difference numerical Analysis System FLAC (5).
4. according to the in good time yield supporting system of the heavily stressed broken bloated country rock in the described a kind of deep of claim 1, it is characterized in that: the system that said in good time yield supporting design submodule SY (2) is used for complex optimum is overall merit and optimization system OMO (6).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244101A (en) * | 2013-04-27 | 2013-08-14 | 中国矿业大学 | Method for evaluating quality of rock stratum while drilling |
| CN105631102A (en) * | 2015-12-24 | 2016-06-01 | 河南理工大学 | Numerical simulation determination method of deep high-stress roadway drilling pressure relief parameter |
| CN107575234A (en) * | 2017-09-07 | 2018-01-12 | 长沙有色冶金设计研究院有限公司 | A kind of deep-well support design method |
| CN111369156A (en) * | 2020-03-11 | 2020-07-03 | 中铁（天津）隧道工程勘察设计有限公司 | Method for evaluating local stability of surrounding rock excavated by oversized cross-chamber rock tunnel |
-
2011
- 2011-12-15 CN CN2011104190251A patent/CN102425432A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244101A (en) * | 2013-04-27 | 2013-08-14 | 中国矿业大学 | Method for evaluating quality of rock stratum while drilling |
| CN103244101B (en) * | 2013-04-27 | 2016-06-01 | 中国矿业大学 | With the quality of rock masses evaluation method crept into |
| CN105631102A (en) * | 2015-12-24 | 2016-06-01 | 河南理工大学 | Numerical simulation determination method of deep high-stress roadway drilling pressure relief parameter |
| CN105631102B (en) * | 2015-12-24 | 2018-12-04 | 河南理工大学 | A kind of numerical simulation of deep high stress tunnel drilling relief parameter determines method |
| CN107575234A (en) * | 2017-09-07 | 2018-01-12 | 长沙有色冶金设计研究院有限公司 | A kind of deep-well support design method |
| CN111369156A (en) * | 2020-03-11 | 2020-07-03 | 中铁（天津）隧道工程勘察设计有限公司 | Method for evaluating local stability of surrounding rock excavated by oversized cross-chamber rock tunnel |
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Application publication date: 20120425 |