CN102393312B - Side slope tunnel coupling simulation test system and application method thereof - Google Patents
Side slope tunnel coupling simulation test system and application method thereof Download PDFInfo
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- CN102393312B CN102393312B CN 201110242883 CN201110242883A CN102393312B CN 102393312 B CN102393312 B CN 102393312B CN 201110242883 CN201110242883 CN 201110242883 CN 201110242883 A CN201110242883 A CN 201110242883A CN 102393312 B CN102393312 B CN 102393312B
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Abstract
The invention discloses a side slope tunnel coupling simulation test system, comprising a side slope tunnel coupling mould, a loading system, a spraying system, a measuring system and a control system. The side slope tunnel coupling simulation test system and an application method thereof which are disclosed by the invention have the beneficial technical effects that a tunnel test and a side slope test are combined into one, loading speed and magnitude of load are automatically controlled, spraying intensity, area and time are automatically controlled, and test data is automatically recorded and analyzed, thus scientific and technical personnel can clearly and visually grasp and understand physical and mechanical properties of a tunnel and a side slope and reaction under the action of a load and significance is produced for verifying design theory and guiding engineering practice.
Description
Technical field
The present invention relates to simulated testing system and the measuring technology thereof in side slope tunnel, specially refer to a kind of side slope tunnel coupled simulation experimental system and using method thereof.
Background technology
In engineering constructions such as building, traffic, water conservancy, engineering technical personnel are faced with a large amount of tunnel constructions and slope treatment work.To do these construction scientifically and rationally well or administer design and the construction of engineering project, must to the physical and mechanical property of tunnel and side slope and under load action reaction a clear and intuitive assurance is arranged, in order to verify design theory, instruct engineering practice.
At present, under indoor conditions, according to the principle of similitude to tunnel and the side slope device that physical and mechanical property is studied and tested under load and rainfall effect seldom, the intensive degree of ubiquity is lower, controls problems such as degree is lower automatically.And the test macro in the common just side slope test macro of this class experimental provision and tunnel designs respectively, can not test the coupling in side slope and tunnel.The landslide that the tunnel that the coupling in so-called side slope and tunnel refers to build under side slope faces and the dual risk that collapses.
Summary of the invention
The intensive degree that prior art side slope test macro and tunnel test macro exist is lower, to control degree automatically lower in order to overcome, and can not problem such as test to the coupling in side slope and tunnel, the present invention proposes a kind of side slope tunnel coupled simulation experimental system and using method thereof.Side slope of the present invention tunnel coupled simulation experimental system is integrated tunnel test and side slope test, can carry out side slope test and tunnel test respectively, can carry out the coupling in side slope and tunnel again and test.
Side slope of the present invention tunnel coupled simulation experimental system comprises side slope tunnel coupling mould, loading system, spray system, measuring system and control system, wherein:
Side slope tunnel coupling mould comprises a rectangular shaped rim and a right-angle triangle frame, described rectangular shaped rim is the rectangular parallelepiped that three vertical planes are provided with baffle plate, described right-angle triangle frame is Mitsubishi's cylinder that two right-angle triangle faces are provided with baffle plate, wherein, be not provided with the rectangular shaped rim vertical plane of baffle plate and a right-angle side face of right-angle triangle frame and form faying surface; And, be provided with the size shifting board identical with faying surface with shape at the faying surface place;
Loading system is arranged on the top of rectangular shaped rim, comprises loading flat board and hydraulic loading device, and its loading velocity and magnitude of load are controlled by control system, and load mode is for from top to bottom, the size that loads flat board and shape and rectangular shaped rim to overlook face identical;
Spray system is arranged on rectangular shaped rim and right-angle triangle frame top, comprise shower nozzle, water supply line, tank and water pump, shower nozzle is evenly distributed in the top of rectangular shaped rim and right-angle triangle frame, and the injection flow rate of its shower nozzle, water-jet velocity, water spraying time and water spray area are controlled by control system;
Measuring system comprises sensor and the lead that is arranged on the dull and stereotyped bottom of loading, tunnel top, tunnel surface and Slope Sliding face and other inspection surfaces;
Control system comprises Loading Control subsystem, spray control subsystem and data collection and analysis subsystem, and wherein, the Loading Control subsystem is used for control and loads dull and stereotyped loading velocity and magnitude of load; The spray control subsystem is used for injection flow rate, water-jet velocity, water spraying time and the water spray area of control spray system; The data collection and analysis subsystem is used for the data that receiving sensor transmits and analyzes.
Further, the sensor of side slope tunnels mimic experimental system of the present invention comprises strain gauge and displacement transducer.
The using method of side slope tunnels mimic experimental system of the present invention may further comprise the steps respectively according to the difference of experiment content:
⑴ carry out the tunnel test
1. according to requirement of experiment, shifting board is installed in the faying surface place that a right-angle side face of rectangular shaped rim vertical plane and right-angle triangle frame forms, and the baffle plate at rectangular shaped rim mould tunnel two ends is removed;
When 2. the ground body landfill that Pass Test is required is to tunnel bottom the tunnel-liner model is inserted the tunnel hole location, continue landfill then to the lining cutting top, install corresponding sensor at tunnel-liner inside upper surface dress and hole top, tunnel this moment, continue landfill again to mould rectangular shaped rim top predetermined height, and at this place corresponding sensor is installed; The quantity that sensor is installed and position are determined according to testing requirements; If simulation hair hole test then be fit into the tunnel mould during to tunnel bottom at ground body landfill, the mould of after the shaping of tunnel hole landfill, dismantling, and, in the landfill process according to the above-mentioned requirements sensor installation; Described satisfactory ground body comprises ground type, packing, water percentage, liquid plastic limit technical indicator; Described sensor comprises strain gauge and displacement transducer;
3. sensor is inserted measuring system, apply evenly load by loading system at the top according to predetermined loading scheme after debugging finishes, system preserves test figure automatically in the loading procedure;
4. experiment finishes, and by control system test data is analyzed and is handled, and obtains test findings.
⑵ carry out the side slope test
1. according to requirement of experiment, the shifting board at the faying surface place that the right-angle side face of rectangular shaped rim vertical plane and right-angle triangle frame taken out forms;
2. determine the bank slope degree according to requirement of experiment, slope top is arranged on the intersection of rectangular shaped rim and triangle frame, the ground body landfill that Pass Test is required and is loading the surperficial sensor installation of dull and stereotyped bottom and side slope in mould; Described satisfactory ground body comprises ground type, packing, water percentage, liquid plastic limit technical indicator; Described sensor comprises strain gauge and displacement transducer;
3. sensor is inserted measuring system, apply evenly load according to predetermined loading scheme at the top after debugging finishes, require to carry out simulated rainfall according to rainfall, system preserves test figure automatically in the process of the test;
4. experiment finishes, and by control system test data is analyzed and is handled, and obtains test findings.
⑶ carry out tunnel side slope coupling test
1. according to requirement of experiment, the shifting board at the faying surface place that the right-angle side face of rectangular shaped rim vertical plane and right-angle triangle frame taken out forms;
When 2. the ground body landfill that Pass Test is required is to tunnel bottom the tunnel-liner model is inserted the tunnel hole location, continue landfill then to the lining cutting top, install corresponding sensor at tunnel-liner inside upper surface dress and hole top, tunnel this moment, continue landfill again to mould rectangular shaped rim top predetermined height, and at this place corresponding sensor is installed; If simulation hair hole test then be fit into the tunnel mould during to tunnel bottom at ground body landfill, the mould of after the shaping of tunnel hole landfill, dismantling, and, in the landfill process according to the above-mentioned requirements sensor installation; Determine the bank slope degree according to requirement of experiment, slope top is arranged on the intersection of rectangular shaped rim and triangle frame, the ground body landfill that Pass Test is required is in mould, and at the surperficial sensor installation of side slope; The quantity that sensor is installed and position are determined according to testing requirements; Described satisfactory ground body comprises ground type, packing, water percentage, liquid plastic limit technical indicator; Described sensor comprises strain gauge and displacement transducer;
3. sensor is inserted measuring system, apply evenly load according to predetermined loading scheme at the top after debugging finishes, require to carry out simulated rainfall according to rainfall, system preserves test figure automatically in the process of the test;
4. experiment finishes, and by control system test data is analyzed and is handled, and obtains test findings.
The useful technique effect of side slope tunnels mimic experimental system of the present invention and using method thereof is that tunnel test and side slope test unite two into one, automatically control loading velocity and magnitude of load, automatically control spraying intensity, area and time, automatic record test data is also analyzed, making scientific and technical personnel to react to the physical and mechanical property of tunnel and side slope and under load action has a clear and intuitive assurance and understanding, to verifying design theory, instructing engineering practice all to have great significance.
Description of drawings
Accompanying drawing 2 is the front elevational schematic of side slope tunnels mimic experimental system of the present invention;
Accompanying drawing 3 is the front elevational schematic of side slope tunnels mimic experimental system of the present invention tunnel test;
Accompanying drawing 4 is the front elevational schematic of side slope tunnels mimic experimental system side slope test of the present invention;
Accompanying drawing 5 is the front elevational schematic of the coupling test in side slope tunnels mimic experimental system side slope of the present invention and tunnel.
Below in conjunction with accompanying drawing and concrete implementation step side slope tunnels mimic experimental system of the present invention and using method thereof are described further.
Embodiment
Accompanying drawing 1 is the schematic three dimensional views of side slope tunnels mimic experimental system side slope of the present invention tunnel coupling mould, and accompanying drawing 2 is the front elevational schematic of side slope tunnels mimic experimental system of the present invention; Among the figure, 1 is rectangular shaped rim, and 2 is the right-angle triangle frame, and 3 is shifting board, and 4 is charger, and 5 is spray system, and 6 is tunnel model.As seen from the figure, side slope of the present invention tunnel coupled simulation experimental system comprises side slope tunnel coupling mould, loading system 4, spray system 5, measuring system and control system, wherein:
Side slope tunnel coupling mould comprises a rectangular shaped rim 1 and a right-angle triangle frame 2, described rectangular shaped rim 1 is the rectangular parallelepiped that three vertical planes are provided with baffle plate, described right-angle triangle frame 2 is Mitsubishi's cylinder that two right-angle triangle faces are provided with baffle plate, wherein, be not provided with the rectangular shaped rim vertical plane of baffle plate and a right-angle side face of right-angle triangle frame and form faying surface; And, be provided with the size shifting board 3 identical with faying surface with shape at the faying surface place;
Loading system 4 is arranged on the top of rectangular shaped rim, comprises loading flat board and hydraulic loading device, and its loading velocity and magnitude of load are controlled by control system, and load mode is for from top to bottom, the size that loads flat board and shape and rectangular shaped rim to overlook face identical;
Measuring system comprises sensor and the lead that is arranged on the dull and stereotyped bottom of loading, tunnel top, tunnel surface and Slope Sliding face and other inspection surfaces;
Control system comprises Loading Control subsystem, spray control subsystem and data collection and analysis subsystem, and wherein, the Loading Control subsystem is used for control and loads dull and stereotyped loading velocity and magnitude of load; The spray control subsystem is used for injection flow rate, water-jet velocity, water spraying time and the water spray area of control spray system; The data collection and analysis subsystem is used for the data that receiving sensor transmits and analyzes.
Obviously, according to the difference of requirement of experiment, the sensor of side slope tunnels mimic experimental system of the present invention comprises strain gauge and displacement transducer, and stress and the displacement under stressed or situation about drenching with rain tested to the side slope tunnel.
Accompanying drawing 3 is the front elevational schematic of side slope tunnels mimic experimental system of the present invention tunnel test, and among the figure, 1 is rectangular shaped rim, 6 is tunnel model, 7 for being arranged on the sensor that loads dull and stereotyped bottom, and 9 for being arranged on the sensor on top, tunnel, and 10 for being arranged on the sensor of tunnel upper surface.As seen from the figure, side slope tunnels mimic experimental system using method of the present invention is tested the tunnel and be may further comprise the steps:
⑴ according to requirement of experiment, and shifting board is installed in the faying surface place that a right-angle side face of rectangular shaped rim vertical plane and right-angle triangle frame forms, and the baffle plate at rectangular shaped rim mould tunnel two ends is removed;
⑵ the ground body landfill that require Pass Test is inserted the tunnel hole location with the tunnel-liner model during to tunnel bottom, continue landfill then to the lining cutting top, install corresponding sensor at tunnel-liner inside upper surface dress and hole top, tunnel this moment, continue landfill again to mould rectangular shaped rim top predetermined height, and at this place corresponding sensor is installed; The quantity that sensor is installed and position are determined according to testing requirements; If simulation hair hole test then be fit into the tunnel mould during to tunnel bottom at ground body landfill, the mould of after the shaping of tunnel hole landfill, dismantling, and, in the landfill process according to the above-mentioned requirements sensor installation; Described satisfactory ground body comprises ground type, packing, water percentage, liquid plastic limit technical indicator; Described sensor comprises strain gauge and displacement transducer;
⑶ insert measuring system with sensor, applies evenly load by loading system at the top according to predetermined loading scheme after debugging finishes, and system preserves test figure automatically in the loading procedure;
⑷ experiment finishes, and by control system test data is analyzed and is handled, and obtains test findings.
Accompanying drawing 4 is the synoptic diagram of side slope tunnels mimic experimental system side slope test of the present invention, and among the figure, 5 is spray system, and 7 for being arranged on the sensor that loads dull and stereotyped bottom, and 8 for being arranged on the sensor on side slope surface.As seen from the figure, side slope tunnels mimic experimental system using method of the present invention is tested side slope and be may further comprise the steps:
⑴ according to requirement of experiment, the shifting board at the faying surface place that the right-angle side face of rectangular shaped rim vertical plane and right-angle triangle frame taken out forms;
⑵ determine the bank slope degree according to requirement of experiment, and slope top is arranged on the intersection of rectangular shaped rim and triangle frame, and the ground body landfill that Pass Test is required and is loading the surperficial sensor installation of dull and stereotyped bottom and side slope in mould; Described satisfactory ground body comprises ground type, packing, water percentage, liquid plastic limit technical indicator; Described sensor comprises strain gauge and displacement transducer;
⑶ insert measuring system with sensor, applies evenly load according to predetermined loading scheme at the top after debugging finishes, and requires to carry out simulated rainfall according to rainfall, and system preserves test figure automatically in the process of the test;
⑷ experiment finishes, and by control system test data is analyzed and is handled, and obtains test findings.
Accompanying drawing 5 is the synoptic diagram of the coupling test in side slope tunnels mimic experimental system side slope of the present invention and tunnel, 1 is rectangular shaped rim, 2 is the right-angle triangle frame, 3 is shifting board, and 5 is spray system, and 6 is tunnel model, 7 for being arranged on the sensor that loads dull and stereotyped bottom, 8 for being arranged on the sensor on side slope surface, and 9 for being arranged on the sensor on top, tunnel, and 10 for being arranged on the sensor of tunnel upper surface.As seen from the figure, side slope tunnels mimic experimental system using method of the present invention is carried out test pack to side slope tunnel coupling and is drawn together following steps:
⑴ according to requirement of experiment, the shifting board at the faying surface place that the right-angle side face of rectangular shaped rim vertical plane and right-angle triangle frame taken out forms;
⑵ the ground body landfill that require Pass Test is inserted the tunnel hole location with the tunnel-liner model during to tunnel bottom, continue landfill then to the lining cutting top, install corresponding sensor at tunnel-liner inside upper surface dress and hole top, tunnel this moment, continue landfill again to mould rectangular shaped rim top predetermined height, and at this place corresponding sensor is installed; If simulation hair hole test then be fit into the tunnel mould during to tunnel bottom at ground body landfill, the mould of after the shaping of tunnel hole landfill, dismantling, and, in the landfill process according to the above-mentioned requirements sensor installation; Determine the bank slope degree according to requirement of experiment, slope top is arranged on the intersection of rectangular shaped rim and triangle frame, the ground body landfill that Pass Test is required is in mould, and at the surperficial sensor installation of side slope; The quantity that sensor is installed and position are determined according to testing requirements; Described satisfactory ground body comprises ground type, packing, water percentage, liquid plastic limit technical indicator; Described sensor comprises that strain gauge and the described sensor of strain transducer comprise strain gauge and displacement transducer;
⑶ insert measuring system with sensor, applies evenly load according to predetermined loading scheme at the top after debugging finishes, and requires to carry out simulated rainfall according to rainfall, and system preserves test figure automatically in the process of the test;
⑷ experiment finishes, and by control system test data is analyzed and is handled, and obtains test findings.
The useful technique effect of side slope tunnels mimic experimental system of the present invention and using method thereof is that tunnel test and side slope test unite two into one, automatically control loading velocity and magnitude of load, automatically control spraying intensity, area and time, automatic record test data is also analyzed, making scientific and technical personnel to react to the physical and mechanical property of tunnel and side slope and under load action has a clear and intuitive assurance and understanding, to verifying design theory, instructing engineering practice all to have great significance.
Claims (2)
1. a side slope tunnel coupled simulation pilot system is characterized in that, this simulation experiment system comprises side slope tunnel coupling mould, loading system, spray system, measuring system and control system, wherein:
Side slope tunnel coupling mould comprises a rectangular shaped rim and a right-angle triangle frame, described rectangular shaped rim is the rectangular parallelepiped that three vertical planes are provided with baffle plate, described right-angle triangle frame is Mitsubishi's cylinder that two right-angle triangle faces are provided with baffle plate, wherein, be not provided with the rectangular shaped rim vertical plane of baffle plate and a right-angle side face of right-angle triangle frame and form faying surface; And, be provided with the size shifting board identical with faying surface with shape at the faying surface place;
Loading system is arranged on the top of rectangular shaped rim, comprises loading flat board and hydraulic loading device, and its loading velocity and magnitude of load are controlled by control system, and load mode is for from top to bottom, the size that loads flat board and shape and rectangular shaped rim to overlook face identical;
Spray system is arranged on rectangular shaped rim and right-angle triangle frame top, comprise shower nozzle, water supply line, tank and water pump, shower nozzle is evenly distributed in the top of rectangular shaped rim and right-angle triangle frame, and the injection flow rate of its shower nozzle, water-jet velocity, water spraying time and water spray area are controlled by control system;
Measuring system comprises sensor and the lead that is arranged on the dull and stereotyped bottom of loading, tunnel top, tunnel surface and Slope Sliding face and other inspection surfaces;
Control system comprises Loading Control subsystem, spray control subsystem and data collection and analysis subsystem, and wherein, the Loading Control subsystem is used for control and loads dull and stereotyped loading velocity and magnitude of load; The spray control subsystem is used for injection flow rate, water-jet velocity, water spraying time and the water spray area of control spray system; The data collection and analysis subsystem is used for the data that receiving sensor transmits and analyzes.
2. according to the described side slope of claim 1 tunnel coupled simulation pilot system, it is characterized in that sensor comprises strain gauge and displacement transducer.
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| CN104634646A (en) * | 2015-01-13 | 2015-05-20 | 哈尔滨工业大学 | Testing method for simulating mechanical behaviors of surrounding underground pipelines in construction of shield tunnel |
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| CN106124145A (en) * | 2016-06-20 | 2016-11-16 | 上海理工大学 | The model test apparatus of many sliding surfaces landslide tunnel, location impact under oscillatory load |
| CN106553263B (en) * | 2016-11-03 | 2019-02-26 | 山东大学 | It is a kind of for the prefabricated construction method with side slope model cavitation of laboratory test cut-and-cover tunnel model |
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| CN107870097A (en) * | 2017-11-07 | 2018-04-03 | 西南石油大学 | A kind of tunnel portal slope stability simulation system and application method |
| CN107991464A (en) * | 2018-01-19 | 2018-05-04 | 石家庄铁道大学 | For wearing side slope protection modularization model pilot system under tunnel |
| CN109443930B (en) * | 2018-11-30 | 2024-02-13 | 西南交通大学 | Device and method for testing longitudinal rigidity of shield tunnel segment lining structure |
| CN110849688B (en) * | 2019-11-29 | 2023-05-16 | 中国石油大学(华东) | Model test device for coupling effect of prestress anchor rod (cable) anchoring force loss and tunnel aging deformation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932169A (en) * | 2006-09-29 | 2007-03-21 | 北京交通大学 | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| CN101625352A (en) * | 2009-08-05 | 2010-01-13 | 山东大学 | Test method of karst water burst when tunneling and monitor device thereof |
| CN101738331A (en) * | 2009-12-28 | 2010-06-16 | 北京交通大学 | Tunnel construction simulation plane strain model test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4196269B2 (en) * | 2003-06-12 | 2008-12-17 | 清水建設株式会社 | Evaluation method for supporting performance of synthetic retaining wall |
| KR100625614B1 (en) * | 2005-07-04 | 2006-09-20 | 재 술 나 | A terraced reinforcing method for slope protection and greening |
| CN201015073Y (en) * | 2006-12-01 | 2008-01-30 | 三峡大学 | Large landslide physical model experiment system considering rainwater effect |
| CN101625289B (en) * | 2009-08-05 | 2011-03-16 | 山东大学 | Hidden water body or water filling karst pipe system in similar model test and embedding method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1932169A (en) * | 2006-09-29 | 2007-03-21 | 北京交通大学 | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| CN101625352A (en) * | 2009-08-05 | 2010-01-13 | 山东大学 | Test method of karst water burst when tunneling and monitor device thereof |
| CN101738331A (en) * | 2009-12-28 | 2010-06-16 | 北京交通大学 | Tunnel construction simulation plane strain model test device |
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