CN204027935U - A kind of underground chamber resemble simulation test device - Google Patents
A kind of underground chamber resemble simulation test device Download PDFInfo
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- CN204027935U CN204027935U CN201420459245.6U CN201420459245U CN204027935U CN 204027935 U CN204027935 U CN 204027935U CN 201420459245 U CN201420459245 U CN 201420459245U CN 204027935 U CN204027935 U CN 204027935U
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- distribution beam
- erecting device
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Abstract
The utility model discloses a kind of underground chamber resemble simulation test device, comprise reaction frame, load applying device and sample erecting device; Sample erecting device is keep at a certain distance away and two block plates be fixed together, and wherein offers square or circular holes in the middle of a block plate; Reaction frame comprises two longerons, is located at the base of crossbeam moving up and down and fixing longeron between two longerons; Load applying device comprises to be located at the first hydraulic jack be fixed on above sample erecting device on crossbeam, to be located at the sample erecting device left and right sides and to be fixed on the second hydraulic jack on longeron, first loading distribution beam is also set between the first hydraulic jack and sample erecting device, also arrange the second loading distribution beam between second hydraulic jack and sample erecting device, the length direction that the first length direction and second loading distribution beam loads distribution beam is vertical.The utility model structure is simple, safe and reliable, easy to use, and under top load, voltage regulation result is good.
Description
Technical field
The utility model belongs to test unit, is specifically related to a kind of underground chamber resemble simulation test device.
Background technology
The research of tunnel support structure stress characteristic and stability of surrounding rock can adopt the multiple research meanses such as mathematical analysis, on-the-spot test, numerical simulation and indoor model test.Mathematical analysis method can only provide reason to fall an ancient drinking vessel for simple engineering such as physical model and parameter, boundary condition etc.Along with the development of computer hardware technique and mathematical algorithm, method for numerical simulation becomes the powerful of tunnel mechanics analysis and calculating.But numerical method is by theory of mechanics, and the restriction of computing method and computer software and hardware development, has to simplify when building engineering model under intricately.Due to the complicacy of Tunnel Engineering geologic condition, the mechanical response rule of tunnel support structure and around Rock And Soil still obtains unified understanding in end, model test can reflect the natural rock earth stress characteristic relevant with Tunnel Engineering qualitative or quantitatively, engineering structure and country rock are considered as entity, it can reflect rock mass characteristics preferably, as joint, bedding, the geologic agents such as tomography are on the impact of rock mass engineering project stability, and the constitutive relation of complicated Rock And Soil need not be set up, directly can provide result by test, thus in the still noncommittal situation of the study mechanism such as this structure of Rock And Soil, avoid the embarrassment of " description mechanism " and directly utilize " built-in " mechanism " consciously " of physical entity to generate process of the test and result, and mutually verify with mathematical model.Therefore, indoor layer during similar model test has unique advantage in scientific research and solution Tunnel Engineering practical problems.Although there is layer during similar model test stand in some basements at present, these test-beds mostly complex structure, use inconvenience, and voltage regulation result is poor.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of underground chamber resemble simulation test device, and this device not only structure is simple, safe and reliable, easy to use, and under top load, voltage regulation result is good.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of underground chamber resemble simulation test device, its special character is: comprise reaction frame, load applying device and sample erecting device, described sample erecting device is two blocks of certain distance the steel plates be fixed together separately, wherein offers square or circular holes in the middle of a block plate, described reaction frame comprising two longerons, being arranged at crossbeam moving up and down and the base for being fixed by two longerons between two longerons, described load applying device comprises the first hydraulic jack be arranged at above sample erecting device, be located at the second hydraulic jack of the sample erecting device left and right sides, described first hydraulic jack is fixed on crossbeam, described two the second hydraulic jack are fixed on longeron, first loading distribution beam is also set between described first hydraulic jack and sample erecting device, second loading distribution beam is also set between the second hydraulic jack and sample erecting device, the length direction that described first length direction and second loading distribution beam loads distribution beam is vertical.
Further, described first loading distribution beam and two second loading distribution beam are that joist steel is made, first loading distribution beam and two second loading distribution beam are provided with two power transmission web members, described power transmission web member is welded by two block plates and a steel column, a wherein block plate of described power transmission web member offers screw, and power transmission web member loads distribution beam, second respectively by bolt and loads distribution beam and be fixedly connected with first.
Further, described first load distribution beam and two second and load the thickness that width that distribution beam makes joist steel used is greater than sample erecting device.
Further, the edge correspondence of two block plates of described sample erecting device is provided with the screw of some equidistant distributions, and two block plates of sample erecting device are fixed together through screw by bolt.
The beneficial effects of the utility model are as follows:
The underground chamber analog simulation experimental device that the utility model provides, structure is simple, safe and reliable, easy to use, and under top load, voltage regulation result is good.Use this device can carry out indoor layer during similar model test, for test provides authentic experiments data in scientific research and solution Tunnel Engineering practical problems.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of power transmission web member in Fig. 1.
Wherein, 1, sample erecting device, 2, longeron, 3, crossbeam, 4, base, the 5, first hydraulic jack, the 6, second hydraulic jack, 7, first loads distribution beam, and 8, second loads distribution beam, and 9, power transmission web member, 9-1, steel plate, 9-2, steel column.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in detail.
See Fig. 1 and Fig. 2, the underground chamber resemble simulation test device of the utility model embodiment, comprises reaction frame, load applying device and sample erecting device 1, sample erecting device 1 is two blocks of certain distance the steel plates be fixed together separately, wherein offers square or circular holes in the middle of a block plate, reaction frame comprising two longerons 2, being arranged at crossbeam 3 moving up and down and the base 4 for being fixed by two longerons 2 between two longerons 2, load applying device comprises the first hydraulic jack 5 be arranged at above sample erecting device 1, be located at the second hydraulic jack 6 of sample erecting device 1 left and right sides, first hydraulic jack 5 is fixed on crossbeam 3, two the second hydraulic jack 6 are fixed on longeron 2, first loading distribution beam 7 is also set between first hydraulic jack 5 and sample erecting device 1, second loading distribution beam 8 is also set between second hydraulic jack 6 and sample erecting device 1, the length direction that first length direction and second loading distribution beam 7 loads distribution beam 8 is vertical.
First loads distribution beam 7 and two second loads distribution beam 8 for joist steel and is made, first loading distribution beam 7 and two second loading distribution beam 8 are provided with two power transmission web members 9, power transmission web member is welded by a two block plate 9-1 and steel column 9-2, a wherein block plate of power transmission web member 9 offers screw, and power transmission web member 9 loads distribution beam 7, second respectively by bolt and loads distribution beam 8 and be fixedly connected with first.
First loads distribution beam 7 and two second loads the thickness that width that distribution beam 8 makes joist steel used is greater than sample erecting device 1.
The edge correspondence of two block plates of sample erecting device 1 is provided with the screw of some equidistant distributions, and two block plates of sample erecting device 1 are fixed together through screw by bolt.
The underground chamber resemble simulation test device of the utility model embodiment, a square or circular holes is opened in one piece of centre of two block plates of sample erecting device 1 wherein, what the sample erecting device 1 in Fig. 1 adopted is square hole, also circular holes can be made into during actual fabrication, this sentences square hole and is illustrated, the excavation of the underground chambers such as simulation tunnel is convenient in the design of this square hole, hydraulic jack acts directly in distribution beam load is passed to the sample erecting device 1 installing sample by power transmission web member, finally load is passed to sample.Sample erecting device 1 left and right sides second loads power transmission web member in distribution beam 8 when acting on by the gap between the adjacent bolt of two block plates of sample erecting device 1, and such sample is stressed more even.The inside of square hole is the analog simulation sample adopting the configurations such as gypsum, cement, sand, for rock or the soil body of simulate formation, sample inside buries soil pressure cell underground in order to measure the change of excavating the rock and soil pressure caused, in excavation cavern, surrounding pastes the surface strain of foil gauge test sample, and inside, cavern adopts clock gauge to test and excavates the cavern's surrounding distortion caused.Sample erecting device 1 can also remove by this device in use, crossbeam is promoted the compression test of carrying out concrete column, also can carry out the three point bending test of other components as beam.Also can change sample erecting device 1 into a cuboid sample, the distortion, the stressing conditions that enclose all Rock And Soils under three-dimensional situation in underground cavern excavation process can be simulated.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a underground chamber resemble simulation test device, is characterized in that: comprise reaction frame, load applying device and sample erecting device, described sample erecting device is two blocks of certain distance the steel plates be fixed together separately, wherein offers square or circular holes in the middle of a block plate, described reaction frame comprising two longerons, being arranged at crossbeam moving up and down and the base for being fixed by two longerons between two longerons, described load applying device comprises the first hydraulic jack be arranged at above sample erecting device, be located at the second hydraulic jack of the sample erecting device left and right sides, described first hydraulic jack is fixed on crossbeam, described two the second hydraulic jack are fixed on longeron, first loading distribution beam is also set between described first hydraulic jack and sample erecting device, second loading distribution beam is also set between the second hydraulic jack and sample erecting device, the length direction that described first length direction and second loading distribution beam loads distribution beam is vertical.
2. a kind of underground chamber resemble simulation test device according to claim 1, it is characterized in that: described first loading distribution beam and two second loading distribution beam are that joist steel is made, first loading distribution beam and two second loading distribution beam are provided with two power transmission web members, described power transmission web member is welded by two block plates and a steel column, a wherein block plate of described power transmission web member offers screw, and power transmission web member loads distribution beam, second respectively by bolt and loads distribution beam and be fixedly connected with first.
3. a kind of underground chamber resemble simulation test device according to claim 2, is characterized in that: described first loads distribution beam and two second loads the thickness that width that distribution beam makes joist steel used is greater than sample erecting device.
4. a kind of underground chamber analog simulation experimental device according to claim 1, it is characterized in that: the edge correspondence of two block plates of described sample erecting device is provided with the screw of some equidistant distributions, two block plates of sample erecting device are fixed together through screw by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459245.6U CN204027935U (en) | 2014-08-14 | 2014-08-14 | A kind of underground chamber resemble simulation test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420459245.6U CN204027935U (en) | 2014-08-14 | 2014-08-14 | A kind of underground chamber resemble simulation test device |
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| CN204027935U true CN204027935U (en) | 2014-12-17 |
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| CN201420459245.6U Expired - Fee Related CN204027935U (en) | 2014-08-14 | 2014-08-14 | A kind of underground chamber resemble simulation test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614244A (en) * | 2015-02-13 | 2015-05-13 | 武汉科技大学 | High-stress roadway stability similarity simulation test device and method |
| CN105547852A (en) * | 2015-12-09 | 2016-05-04 | 重庆科技学院 | Underground cavern similarity simulation testing system |
| CN106289835A (en) * | 2016-07-29 | 2017-01-04 | 安徽理工大学 | Simulation tunnel off-load controllable type experimental provision and using method thereof |
| CN110220761A (en) * | 2019-07-14 | 2019-09-10 | 湖南军成科技有限公司 | A kind of adjustable geomechanics sample assembly and actuating system |
-
2014
- 2014-08-14 CN CN201420459245.6U patent/CN204027935U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614244A (en) * | 2015-02-13 | 2015-05-13 | 武汉科技大学 | High-stress roadway stability similarity simulation test device and method |
| CN104614244B (en) * | 2015-02-13 | 2017-04-12 | 武汉科技大学 | High-stress roadway stability similarity simulation test device and method |
| CN105547852A (en) * | 2015-12-09 | 2016-05-04 | 重庆科技学院 | Underground cavern similarity simulation testing system |
| CN105547852B (en) * | 2015-12-09 | 2019-11-08 | 重庆科技学院 | Underground chamber analog simulation pilot system |
| CN106289835A (en) * | 2016-07-29 | 2017-01-04 | 安徽理工大学 | Simulation tunnel off-load controllable type experimental provision and using method thereof |
| CN110220761A (en) * | 2019-07-14 | 2019-09-10 | 湖南军成科技有限公司 | A kind of adjustable geomechanics sample assembly and actuating system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150814 |
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| EXPY | Termination of patent right or utility model |