CN103035158A - Experiment device used for simulating goaf filling process - Google Patents
Experiment device used for simulating goaf filling process Download PDFInfo
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- CN103035158A CN103035158A CN2012105597128A CN201210559712A CN103035158A CN 103035158 A CN103035158 A CN 103035158A CN 2012105597128 A CN2012105597128 A CN 2012105597128A CN 201210559712 A CN201210559712 A CN 201210559712A CN 103035158 A CN103035158 A CN 103035158A
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Abstract
The invention provides an experiment device used for simulating a goaf filling process, and belongs to the technical field of coal mine goaf filling and underground engineering filling. The experiment device mainly comprises an experiment simulating device, an outer grouting control device and a data collecting device, wherein the experiment simulating device is composed of a transparent model body made of organic glass, a rock-soil layer arranged in a layered mode, a simulative goaf, a grouting guide pipe communicated with the goaf, and sensors arranged in the goaf. A grouting process is automatically controlled by the outer grouting controller. Data obtained by the sensors is transmitted to a data collector through data lines. The experiment simulating device, the outer grouting control device and the data collecting device are connected in a matched mode, in the grouting process and when the situation that overlying load effect acts on a roadway is simulated, data of the sensors is collected, and mechanics evolution process analysis in the coal mine goaf filling process is achieved. The model body of the experiment device is transparent and visible, the grouting process and the data collection are automatic, and the experiment device is reasonable in structure, high in controllable precision, good in sealing effect and suitable for being used in teaching demonstration and scientific research of the indoor experiment of the goaf filing process.
Description
Technical field
The present invention relates to a kind of for lab simulation goaf filling process experiment device; The filling and the underground works filling technique field that belong to coal mine gob.
Background technology
China is a consumption of coal and big producing country, and " three times " exploitation that long-term coal mining forms large-area Goaf Area, particularly coal forms the goaf.Coal mine gob causes serious fault sag and ecological environment problem, and management task is arduous.
For a long time, the technology that mainly adopts of goaf backfill both at home and abroad comprises dry stowing, hydraulic filling and three kinds of methods of consolidated fill.Wherein the cementing rear intensity of the material of consolidated fill is large after the method for consolidated fill goaf, significantly reduce raw-material use, also can be used for burying dark, press large, weak-walled in thick above ore body, the use consolidated fill has become the inexorable trend of coal mine gob backfill.The application acceleration of consolidated fill technology the flow of research of researcher, how at the experimental provision in consolidated fill goaf, lab simulation goaf, can be used for the scientific research analysis, also can be used for teaching demonstration, Practical significance is larger.
Summary of the invention
The invention provides a kind of simulation goaf filling process experiment device, can simulate goaf, simulation tunnel or the underground space the slip casting process, and the simulation goaf be subjected to the situations such as overlying burden effect, gather the various kinds of sensors data, form the mechanics evolution process of coal mine gob filling process is analyzed.
The present invention is achieved through the following technical solutions: a kind of simulation goaf filling process experiment device is characterized in that it comprises experimental simulation device, outside slip casting controller and data collector three parts; Described experimental simulation device comprises the transparent model body, is full of the rock-soil layer that layering is laid in the transparent model body, is reserved with the simulation goaf in the rock-soil layer, and the grouting pipe of goaf connection; Data collector comprises at least 1 sensor and the external data acquisition unit of transparent model that is laid in the goaf, and each sensor obtains data and is transferred to data acquisition unit by data line; Described outside slip casting controller comprises slip casting controller and flow rate of grouting controller; The slip casting controller is connected with the flow rate of grouting controller and is connected with grouting pipe; Also comprise the simulation goaf be subjected to the overlying burden effect on cover traveling load.The slip casting process is controlled automatically by outside slip casting controller.Each sensor obtains data and is transferred to data acquisition unit by data line;
Rock-soil layer in the described transparent model body requires the classification layering to lay according to experiment parameter, and simulation goaf wherein is simulation goaf, simulation tunnel or the underground space;
The sensor that lay in described simulation goaf is more than at least 1, and the position anticipation is laid;
Described simulation goaf inner sensor comprises displacement transducer or strain gauge or displacement transducer and strain gauge.
This device concrete operation step is as follows: said apparatus connect to cooperate complete, can simulate goaf, simulation tunnel or the underground space the slip casting process, and the simulation goaf be subjected to the situations such as overlying burden effect; Data acquisition unit is derived the various kinds of sensors data that gather, and the mechanics that forms behind the Data Management Analysis coal mine gob grouting filling process develops the analysis that quantizes.
The invention has the beneficial effects as follows: simulation goaf filling process experiment mounted cast main body transparent visual, slip casting process and data acquisition realize robotization, it is rational in infrastructure, controllable precision is high, good sealing effect, can be used for teaching demonstration and the scientific research analysis of goaf filling process.
Description of drawings
Fig. 1 is apparatus structure synoptic diagram of the present invention.
Among the figure: 1-transparent model body, 2-simulates the goaf, the 3-rock-soil layer, the 4-sensor, the 5-data line, the 6-data acquisition unit, the 7-grouting pipe, 8-slip casting controller, 9-flow rate of grouting controller covers traveling load on the 10-.
Embodiment
Below in conjunction with accompanying drawing 1 and one embodiment of the present of invention further detailed description method of the present invention and effect, but the invention is not restricted to this embodiment.
Simulation goaf filling process experiment device comprises experimental simulation device, outside slip casting controller and data collector three parts; Also comprise the simulation goaf be subjected to the overlying burden effect on cover traveling load 10.Described experimental simulation device comprises transparent model body 1, is full of the rock-soil layer 3 that layering is laid in transparent model body 1, is reserved with simulation goaf 2 in the rock-soil layer 3, and the grouting pipe 7 of goaf 2 connections; Data collector comprises at least 1 sensor 4 and transparent model body 1 data acquisition unit 6 outward that is laid in the goaf, and each sensor obtains data and is transferred to data acquisition unit 6 by data line; Automatically the outside slip casting controller of control slip casting process is connected with grouting pipe 7; Rock-soil layer 3 in the described transparent model body 1 requires the classification layering to lay according to experiment parameter, and simulation tunnel 2 wherein is headspace.On cover dynamic load 10 and adopt movable jacks.
Totally 9 of the sensors 4 that lay in described simulation tunnel 2, the position anticipation is laid.Displacement transducer and strain gauge are arranged.
Grouting Pipe 7 with the UNICOM goaf behind the described model layering laying rock-soil layer 3 pierces, slip casting tube head assembling slip casting controller 8.
The method of testing implementation procedure of experimental provision is as follows: layering laying rock-soil layer 3 in the experimental simulation device in the said apparatus, and headspace is simulated goaf 2 in rock-soil layer 3, simulation goaf 2 inwalls are laid displacement or strain gauge 4, sensor conductor led to data acquisition unit 6 be connected simulation goaf 2 outer connection grouting pipe 7.Outside slip casting controller is connected with grouting pipe 7, can control flow rate of grouting.Rock-soil layer 3 tops are covered by covering dynamic load 10 in the movable jack simulation carries out simulation loading, device can simulate tunnel 2 the slip casting process, and the simulation tunnel be subjected to the situations such as overlying burden 10 effects; Data acquisition unit 6 is derived various kinds of sensors 4 data that gather, and the mechanics that forms behind the Data Management Analysis coal mine gob grouting filling process develops the analysis that quantizes.
Claims (3)
1. a simulation goaf filling process experiment device is characterized in that it comprises experimental simulation device, outside slip casting controller and data collector three parts; Described experimental simulation device comprises transparent model body (1), is full of the rock-soil layer (3) that has layering to lay in transparent model body (1), is reserved with simulation goaf (2) in the rock-soil layer (3), and the grouting pipe (7) of goaf (2) connection; Described data collector comprises at least 1 sensor (4) and the outer data acquisition unit (6) of transparent model body (1) that is laid in the goaf, and each sensor obtains data and is transferred to data acquisition unit (6) by data line; Described outside slip casting controller comprises slip casting controller (8) and flow rate of grouting controller (9); Slip casting controller (8) is connected 9 with the flow rate of grouting controller) be connected with grouting pipe (7) successively; Also comprise make the simulation goaf be subjected to the overlying burden effect on cover traveling load (10).
2. simulation goaf filling process experiment device according to claim 1, it is characterized in that: the rock-soil layer (3) in the transparent model body (1) requires the classification layering to lay according to experiment parameter, and simulation goaf (2) wherein is simulation goaf, simulation tunnel or the underground space.
3. simulation goaf filling process experiment device according to claim 1 is characterized in that: simulate the interior sensor (4) in goaf (2) and comprise displacement transducer or strain gauge or displacement transducer and strain gauge.
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Cited By (10)
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| CN103758538A (en) * | 2014-01-26 | 2014-04-30 | 山东科技大学 | Cracked roof caving region grouting filling similar simulation method |
| CN105510534A (en) * | 2015-12-14 | 2016-04-20 | 辽宁建筑职业学院 | Testing device and method capable of simulating filling and grouting of water-containing coal seams with different inclination angles |
| CN106898231A (en) * | 2017-04-21 | 2017-06-27 | 中国矿业大学(北京) | A kind of goaf filling analogue experiment installation and operating method |
| 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 |
| CN107741394A (en) * | 2017-12-12 | 2018-02-27 | 成都理工大学 | Multi-functional grouting test equipment |
| CN108362859A (en) * | 2018-02-02 | 2018-08-03 | 山东科技大学 | A kind of experimental system for simulating old goaf grouting effect |
| CN109813868A (en) * | 2019-01-29 | 2019-05-28 | 福州大学 | It is a kind of for simulating the indoor experimental apparatus of Underground Metallic Mines stope filling |
| CN113008514A (en) * | 2021-02-25 | 2021-06-22 | 山东大学 | Goaf water inrush and grouting treatment comprehensive test device and method |
| CN113218616A (en) * | 2021-06-07 | 2021-08-06 | 太原理工大学 | Physical experiment platform for simulating grouting partition air leakage of coal mine goaf |
| CN113643603A (en) * | 2021-08-05 | 2021-11-12 | 山东科技大学 | Separated roadway physical experiment model structure, manufacturing assistive tool and manufacturing method |
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| CN105510534A (en) * | 2015-12-14 | 2016-04-20 | 辽宁建筑职业学院 | Testing device and method capable of simulating filling and grouting of water-containing coal seams with different inclination angles |
| CN106898231B (en) * | 2017-04-21 | 2023-11-24 | 中国矿业大学(北京) | Goaf filling simulation experiment device and operation method |
| CN106898231A (en) * | 2017-04-21 | 2017-06-27 | 中国矿业大学(北京) | A kind of goaf filling analogue experiment installation and operating method |
| 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 |
| CN107741394A (en) * | 2017-12-12 | 2018-02-27 | 成都理工大学 | Multi-functional grouting test equipment |
| CN108362859A (en) * | 2018-02-02 | 2018-08-03 | 山东科技大学 | A kind of experimental system for simulating old goaf grouting effect |
| CN109813868A (en) * | 2019-01-29 | 2019-05-28 | 福州大学 | It is a kind of for simulating the indoor experimental apparatus of Underground Metallic Mines stope filling |
| CN113008514A (en) * | 2021-02-25 | 2021-06-22 | 山东大学 | Goaf water inrush and grouting treatment comprehensive test device and method |
| CN113008514B (en) * | 2021-02-25 | 2022-06-17 | 山东大学 | Goaf water inrush and grouting treatment comprehensive test device and method |
| CN113218616A (en) * | 2021-06-07 | 2021-08-06 | 太原理工大学 | Physical experiment platform for simulating grouting partition air leakage of coal mine goaf |
| CN113218616B (en) * | 2021-06-07 | 2022-05-17 | 太原理工大学 | Physical experiment platform for simulating grouting partition air leakage of coal mine goaf |
| CN113643603A (en) * | 2021-08-05 | 2021-11-12 | 山东科技大学 | Separated roadway physical experiment model structure, manufacturing assistive tool and manufacturing method |
| CN113643603B (en) * | 2021-08-05 | 2022-11-29 | 山东科技大学 | Separated roadway physical experiment model structure, manufacturing auxiliary tool and manufacturing method |
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Application publication date: 20130410 |