CN105137031A - Test apparatus and test method of simulating goaf sedimentation mechanism - Google Patents
Test apparatus and test method of simulating goaf sedimentation mechanism Download PDFInfo
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- CN105137031A CN105137031A CN201510440258.8A CN201510440258A CN105137031A CN 105137031 A CN105137031 A CN 105137031A CN 201510440258 A CN201510440258 A CN 201510440258A CN 105137031 A CN105137031 A CN 105137031A
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Abstract
The invention belongs to the technical field of geological engineering and geotechnical engineering and especially relates to a test apparatus and a test method of simulating goaf sedimentation mechanism. The test apparatus includes a model box, a sensor arranged in the model box, a data collecting instrument being connected to an output terminal of the sensor, and a computer being connected to the data collecting instrument. The model box performs simulation according to actual engineering prototypes, wherein an underlayer simulation layer, a coal seam simulation layer, and a multilayer geological simulation layer are arranged layeredly in the model box body with an excavation situation being simulated. A displacement sensor and a pressure sensor arranged in the geological simulation layer can accurately measuring deformation and stress change quantity of an overlaying geological simulation layer of a goaf respectively, thereby establishing the relationship of ground deformation to the stress. The data automatic collection device is connected to a measuring device and transmits data to computer timely. The test apparatus is simple in structure, is reasonable in design, is convenient to operate and is good in test effect. The apparatus and the method is used for analyzing inherent law of stratigraphical features, displacement and stress change data under different mining situation and stratigraphical conditions, thereby researching the goaf sedimentation mechanism.
Description
Technical field
The invention belongs to Geological Engineering, Geotechnical Engineering field, especially relate to a kind of test unit and the test method of simulating goaf subsidence mechanism.
Background technology
Goaf produces in " cavity " by artificially excavating below earth's surface, some regional coals of China and the very abundant large province of mineral resources, along with economy, the coordinated development of capital construction depth, some infrastructure unavoidably will pass through goaf, and collapsing of goaf can cause land subsidence, crack, damage the facilities such as arable land, buildings, destroy ecologic environment, goaf unfavorable geology problem is more and more outstanding.
Because goaf sedimentation is a complicated time-space process, rock mass structure is complicated, and influence factor is numerous, and the sedimentation of most of coal mine gob is in confused situation, there is very large harm to the capital construction of locality, solving this kind of engineering problem needs to carry out comprehensive and systematic research.Simplify for geologic body prototype, then by indoor model test, goaf subsidence mechanism is furtherd investigate, study its settlement law in conjunction with concrete entity project, and then provide technical support for follow-up engineering control.
Summary of the invention
The object of the invention is to solve the problem, thering is provided by simulating different excavating condition, then being simulated test unit and the test method of goaf subsidence mechanism by the sedimentation in data research goaf of displacement transducer and pressure transducer collection and a kind of of deformation rule.
In order to solve the problem, the technical solution used in the present invention is:
A kind of test unit of simulating goaf subsidence mechanism, comprise model casing, the sensor be arranged in model casing, the data collecting instrument be connected with sensor output and the computer that is connected with data collecting instrument, described model casing comprises casing, is arranged on the underlying formation simulation layer of bottom half, is arranged on the coal seam simulation layer above underlying formation simulation layer and is arranged on the simulation layer of coal seam and cover multilayer geologic modelling layer F
1, F
2f
n, described underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F
1, F
2f
nsimulate according to geometric similarity and physical similarity according to geologic body prototype, described casing is provided with the mouth that mines for coal, the described mouth that mines for coal is provided with regulating flange, described sensor comprises displacement transducer and pressure transducer, described displacement transducer and pressure transducer are connected respectively to corresponding data collecting instrument by data line, described multilayer geologic modelling layer F
1, F
2f
nin be provided with displacement transducer and pressure transducer.
Described multilayer geologic modelling layer F
1, F
2f
nthe displacement transducer of middle setting and the layout points of pressure transducer are with the symmetrical laying of vertical center line in goaf.
Described coal seam simulation layer covers displacement transducer in each geologic modelling stratum and pressure transducer layout points longitudinally at least arranges a row.
The bottom of described casing is provided with 4 wheels.
Described displacement transducer is magnet ring type high accuracy displacement sensor.
Simulate a test method for goaf subsidence mechanism, comprise the following steps:
(1) according to concrete engineering and test model size determination ratio of similitude, underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F is determined
1, F
2f
nthickness, described underlying formation simulation layer and multilayer geologic modelling layer F
1, F
2f
nsimulate according to physical similarity according to geologic body prototype, and the position of cloth displacement sensor and pressure transducer;
(2) respectively underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F
1, F
2f
nfrom bottom to top fill;
(3) in the process of filling analog material, as requested by the zeroing data of displacement transducer and pressure transducer, connect with data line, and be embedded in the layout points position of requirement;
(4) each data line of sensor connects with corresponding Acquisition Instrument respectively, and then is connected with computer;
(5) formation sedimentation is observed, and after it is stable, adjustment regulating flange sets excavation thickness and width, the then simulation of excavation process of coal seam simulation layer, to above goaf multilayer geologic modelling layer F
1, F
2f
nstratum deformation and the change of reservoir pressure observe, the sedimentation in the data research goaf gathered by displacement transducer and pressure transducer and deformation rule.
In step (1), described multilayer geologic modelling layer F
1, F
2f
nthe displacement transducer of middle setting and the layout points of pressure transducer are with the symmetrical laying of vertical center line in goaf.
Described coal seam simulation layer covers displacement transducer in each geologic modelling stratum and pressure transducer layout points at least arranges a row.
Gain effect of the present invention is:
The present invention fills underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F successively from bottom to top in the casing of model casing
1, F
2f
n, described multilayer geologic modelling layer F
1, F
2f
nsimulate according to geometric similarity and physical similarity according to geologic body prototype, multilayer geologic modelling layer F
1, F
2f
nin all symmetrically lay displacement transducer and pressure transducer, simulate different excavating condition, the sedimentation in the data research goaf then gathered by displacement transducer and pressure transducer and deformation rule.Structure of the present invention is simple, and reasonable in design, easy to operate, experiment effect is good, effectively can analyze its inherent law according at difference exploitation operating mode and formation condition sub-surface feature, displacement and pressure delta data, research goaf Settlement Mechanism.
Accompanying drawing explanation
Fig. 1 is a kind of test unit structural representation of simulating goaf subsidence mechanism of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
See sequence number in Fig. 1, figure: the vertical center line that 1 be model casing, 2 be underlying formation simulation layer, 3 be coal seam simulation layer, 4 be caving zone stratum simulation layer, 5 be fissure zone stratum simulation layer, 6 be flexure band stratum simulation layer, 7 be goaf, 8 be displacement transducer, 9 be pressure transducer, 10 be data collecting instrument, 11 is casing, 12 be computer, 13 is the mouth that mines for coal, 14 be regulating flange, 15 to be wheel and 16 be goaf.
Embodiment one: a kind of test unit of simulating goaf subsidence mechanism of the present invention, comprise model casing 1, corresponding data collecting instrument 10 that the displacement transducer 8 be arranged in model casing 1 is connected with pressure transducer 9, displacement transducer 8 and pressure transducer 9 output terminal and the computer 12 that is connected with data collecting instrument 10, described model casing 1 comprises casing 11, be arranged on underlying formation simulation layer 2 bottom casing 11, be arranged on the coal seam simulation layer 3 above underlying formation simulation layer 2 and be arranged on the simulation layer of coal seam and cover multilayer geologic modelling layer F
1, F
2and F
3, multilayer geologic modelling layer F
1, F
2and F
3simulate according to geometric similarity and physical similarity according to geologic body prototype, described multilayer geologic modelling layer F
1, F
2and F
3bottom-uply be followed successively by F
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3flexure band stratum simulation layer 6, described casing is provided with the mouth that mines for coal, the described mouth 13 that mines for coal is provided with regulating flange 14, described displacement transducer 8 and pressure transducer 9 are connected respectively to corresponding data collecting instrument 10 by data line, and institute's displacement sensors 8 and pressure transducer 9 are all symmetrical set at F centered by the vertical center line 16 in goaf
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3in flexure band stratum simulation layer 6, described bottom half is provided with 4 wheels 15.Described displacement transducer 8 is magnetic ring sensor, and it is closeer according to closely adopting sky main spindle's place that it buries layout underground, and the position away from goaf main shaft becomes dredges; The vertical position of magnet ring is according to main negative area and stratum sudden change place, and burying underground of described pressure transducer 9 is arranged according to the symmetrical position of displacement transducer, is mainly used to the pressure change rule of displacement monitoring change place.
Embodiment two: based on above-mentioned condition, a kind of test method simulating goaf subsidence mechanism, concrete test method of the present invention is as follows:
(1) according to concrete engineering and casing 11 size determination ratio of similitude, the thickness on underlying formation 2, coal seam simulation layer 3, caving zone stratum 4, fissure zone stratum 5, flexure band stratum 6 is determined, described underlying formation simulation layer 2, coal seam simulation layer 3, F
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3flexure band stratum simulation layer 6 is simulated according to physical similarity according to geologic body prototype, and the position of cloth displacement sensor 8 and pressure transducer 9;
(2) respectively underlying formation 2, coal seam simulation layer 3, F
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3flexure band stratum simulation layer 6 is from bottom to top filled;
(3) in the process of filling analog material, as requested by the zeroing data of displacement transducer 8 and pressure transducer 9, connect with data line, be embedded in the layout points position of requirement;
(4) data line of displacement transducer 8 and pressure transducer 9 connects with corresponding data collecting instrument 10 respectively, and then is connected with computer 12;
(5) formation is observed, and after it is stable, adjustment regulating flange 14 sets excavation thickness and width, the then simulation of excavation process of coal seam simulation layer, to F on goaf
1caving zone stratum simulation layer 4, F
2fissure zone stratum simulation layer 5 and F
3the stratum deformation of flexure band stratum simulation layer 6 and the change of reservoir pressure are observed, the sedimentation in the data research goaf 7 gathered by displacement transducer 8 and pressure transducer 9 and deformation rule.
Structure of the present invention is simple, and reasonable in design, easy to operate, experiment effect is good, effectively according at difference exploitation operating mode and formation condition sub-surface feature, displacement and pressure delta data, can analyze its inherent law, research goaf Settlement Mechanism.
Claims (8)
1. simulate the test unit of goaf subsidence mechanism for one kind, comprise model casing, the sensor be arranged in model casing, the data collecting instrument be connected with sensor output and the computer that is connected with data collecting instrument, it is characterized in that: described model casing comprises casing, is arranged on the underlying formation simulation layer of bottom half, is arranged on the coal seam simulation layer above underlying formation simulation layer and is arranged on the multilayer geologic modelling layer F that coal seam simulation layer covers
1, F
2f
n, described underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F
1, F
2f
nsimulate according to geometric similarity and physical similarity according to geologic body prototype, described casing is provided with the mouth that mines for coal, the described mouth that mines for coal is provided with regulating flange, described sensor comprises displacement transducer and pressure transducer, described displacement transducer and pressure transducer are connected respectively to corresponding data collecting instrument by data line, described multilayer geologic modelling layer F
1, F
2f
nin be provided with displacement transducer and pressure transducer.
2. a kind of test unit of simulating goaf subsidence mechanism according to claim 1, is characterized in that: described multilayer geologic modelling layer F
1, F
2f
nthe displacement transducer of middle setting and the layout points of pressure transducer are with the symmetrical laying of vertical center line in goaf.
3. a kind of test unit of simulating goaf subsidence mechanism according to claim 2, is characterized in that: described coal seam simulation layer covers displacement transducer in each geologic modelling stratum and pressure transducer layout points longitudinally at least arranges a row.
4. a kind of test unit of simulating goaf subsidence mechanism according to claim 1, is characterized in that: the bottom of described casing is provided with 4 wheels.
5. a kind of test unit of simulating goaf subsidence mechanism according to claim 1, is characterized in that: described displacement transducer is magnet ring type high accuracy displacement sensor.
6. simulate a test method for goaf subsidence mechanism, it is characterized in that: comprise the following steps:
(1) according to concrete engineering and test model size determination ratio of similitude, underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F is determined
1, F
2f
nthickness, described underlying formation simulation layer and multilayer geologic modelling layer F
1, F
2f
nsimulate according to physical similarity according to geologic body prototype, and the position of cloth displacement sensor and pressure transducer;
(2) respectively underlying formation simulation layer, coal seam simulation layer and multilayer geologic modelling layer F
1, F
2f
nfrom bottom to top fill;
(3) in the process of filling analog material, as requested by the zeroing data of displacement transducer and pressure transducer, connect with data line, and be embedded in the layout points position of requirement;
(4) each data line of sensor connects with corresponding Acquisition Instrument respectively, and then is connected with computer;
(5) formation is observed, and after it is stable, adjustment regulating flange sets the excavation thickness of coal seam simulation layer, and then simulation of excavation process, to above goaf multilayer geologic modelling layer F
1, F
2f
nstratum deformation and the change of reservoir pressure observe, the sedimentation in the data research goaf gathered by displacement transducer and pressure transducer and deformation rule.
7. a kind of test method simulating goaf subsidence mechanism according to claim 6, is characterized in that: in step (1), described multilayer geologic modelling layer F
1, F
2f
nthe displacement transducer of middle setting and the layout points of pressure transducer are with the symmetrical laying of vertical center line in goaf.
8. test method according to claim 7, is characterized in that: described coal seam simulation layer covers displacement transducer in each geologic modelling stratum and pressure transducer layout points at least arranges a row.
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|---|---|---|---|
| CN201510440258.8A CN105137031A (en) | 2015-07-24 | 2015-07-24 | Test apparatus and test method of simulating goaf sedimentation mechanism |
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|---|---|---|---|
| CN201510440258.8A CN105137031A (en) | 2015-07-24 | 2015-07-24 | Test apparatus and test method of simulating goaf sedimentation mechanism |
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| CN105137031A true CN105137031A (en) | 2015-12-09 |
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| CN201510440258.8A Pending CN105137031A (en) | 2015-07-24 | 2015-07-24 | Test apparatus and test method of simulating goaf sedimentation mechanism |
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| CN (1) | CN105137031A (en) |
Cited By (20)
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|---|---|---|---|---|
| CN105527403A (en) * | 2016-01-20 | 2016-04-27 | 安徽理工大学 | Analog simulation test device for coal and rock masses and test method |
| CN105672239A (en) * | 2016-01-21 | 2016-06-15 | 中铁第四勘察设计院集团有限公司 | Monitoring device for collapse deformation of railroad bed and foundation of karst area and goaf |
| CN106289992A (en) * | 2016-08-31 | 2017-01-04 | 河北工程大学 | Rock beam equal compressive strain rupture test device |
| CN106323819A (en) * | 2016-09-22 | 2017-01-11 | 黑龙江科技大学 | Massive accumulation body boundary resistance experiment determination device and experimental method |
| CN106644732A (en) * | 2016-10-14 | 2017-05-10 | 宋俊生 | Roof caving monitoring test system |
| CN106645634A (en) * | 2016-10-14 | 2017-05-10 | 西京学院 | Ground surface simulating device and experiment method thereof |
| CN106771066A (en) * | 2016-12-12 | 2017-05-31 | 中国矿业大学 | The analogue experiment installation and synergic monitoring method of mining overburden motion influence ore deposit pressure |
| CN107340380A (en) * | 2017-07-10 | 2017-11-10 | 武汉科技大学 | Goaf simulation test device for stability under a kind of mechanical execution load action |
| CN107884548A (en) * | 2017-10-27 | 2018-04-06 | 西南石油大学 | A kind of underground engineering geological disaster teaching demonstration device and method |
| CN108828184A (en) * | 2018-04-20 | 2018-11-16 | 李静娴 | A kind of coal field mining subsidence similar experimental model device |
| CN109406754A (en) * | 2018-10-30 | 2019-03-01 | 中国神华能源股份有限公司 | Analogy method, the device and system of seam mining |
| CN109545069A (en) * | 2018-11-30 | 2019-03-29 | 辽宁工程技术大学 | A kind of experimental provision and application method for simulating building on goaf differential settlement |
| CN110411840A (en) * | 2019-08-29 | 2019-11-05 | 安徽理工大学 | Simulate experimental rig and method that the earth's surface soil body in goaf generates tension crack |
| CN111537356A (en) * | 2020-04-23 | 2020-08-14 | 中国科学院地质与地球物理研究所 | Test device and method for simulating underground cavern ground vibration force reaction |
| CN112034135A (en) * | 2020-08-06 | 2020-12-04 | 中国科学院广州能源研究所 | Natural gas hydrate decomposes formation deformation measuring device |
| CN112505290A (en) * | 2020-11-13 | 2021-03-16 | 山东科技大学 | Goaf grouting subsidence reduction simulation experiment device and method thereof |
| CN112730730A (en) * | 2020-12-23 | 2021-04-30 | 长安大学 | Model test device and test method for burning coal bed under highway |
| CN112902913A (en) * | 2021-01-13 | 2021-06-04 | 中国矿业大学(北京) | Goaf settlement monitoring system and method |
| CN114061874A (en) * | 2021-09-29 | 2022-02-18 | 华北水利水电大学 | Experimental device for simulating dynamic response of stratum in goaf under action of surface vibration |
| US11473427B2 (en) * | 2018-09-27 | 2022-10-18 | Taiyuan University Of Technology | Physical simulation test method for detecting position of ponding goaf in excavation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656767A1 (en) * | 1976-12-15 | 1978-06-22 | Westfaelische Berggewerkschaft | Earth tremor or subsidence mine gallery warning system - employs pairs of geophone probes connected by line to control unit |
| CN203705435U (en) * | 2013-11-14 | 2014-07-09 | 长安大学 | Surface subsidence simulation test device |
| CN103995097A (en) * | 2014-06-06 | 2014-08-20 | 中国科学院武汉岩土力学研究所 | Test method and test device for simulating stratum deformation caused by pipe jacking construction |
| CN104391104A (en) * | 2014-11-27 | 2015-03-04 | 龙岩学院 | Coal seam analog simulation experiment device and application method thereof |
-
2015
- 2015-07-24 CN CN201510440258.8A patent/CN105137031A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2656767A1 (en) * | 1976-12-15 | 1978-06-22 | Westfaelische Berggewerkschaft | Earth tremor or subsidence mine gallery warning system - employs pairs of geophone probes connected by line to control unit |
| CN203705435U (en) * | 2013-11-14 | 2014-07-09 | 长安大学 | Surface subsidence simulation test device |
| CN103995097A (en) * | 2014-06-06 | 2014-08-20 | 中国科学院武汉岩土力学研究所 | Test method and test device for simulating stratum deformation caused by pipe jacking construction |
| CN104391104A (en) * | 2014-11-27 | 2015-03-04 | 龙岩学院 | Coal seam analog simulation experiment device and application method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张维正等: "采空区覆岩稳定性模拟试验", 《煤矿安全》 * |
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| CN105672239B (en) * | 2016-01-21 | 2017-09-12 | 中铁第四勘察设计院集团有限公司 | A kind of monitoring device deformed for karst region and goaf railway bed ground collapse |
| CN106289992A (en) * | 2016-08-31 | 2017-01-04 | 河北工程大学 | Rock beam equal compressive strain rupture test device |
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| CN112034135B (en) * | 2020-08-06 | 2021-06-22 | 中国科学院广州能源研究所 | Natural gas hydrate decomposes formation deformation measuring device |
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| CN112505290A (en) * | 2020-11-13 | 2021-03-16 | 山东科技大学 | Goaf grouting subsidence reduction simulation experiment device and method thereof |
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Application publication date: 20151209 |