CN205263086U - Combined type landslide physical model test device - Google Patents
Combined type landslide physical model test device Download PDFInfo
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- CN205263086U CN205263086U CN201521130964.4U CN201521130964U CN205263086U CN 205263086 U CN205263086 U CN 205263086U CN 201521130964 U CN201521130964 U CN 201521130964U CN 205263086 U CN205263086 U CN 205263086U
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Abstract
The utility model provides a combined type landslide physical model test device. The device includes base, frame, elevating system and thrust load mechanism, and the base is " L " type massive structure, and the frame includes preceding groove, back groove and supporting seat, and the inboard in preceding groove and back groove is articulated mutually through the round pin axle, and the horizontal plane of base is fixed in at round pin axle both ends through the supporting seat on, elevating system installs on the base horizontal plane, links to each other with the bottom of preceding groove with the back groove respectively, and thrust load mechanism one end is articulated with the perpendicular facial features of base, and the other end is installed in back inslot portion. The utility model discloses simple structure, it is easy and simple to handle, can realize different kinds of purposes of coming down the multiunit parallel test, increase landslide test's contrast nature.
Description
Technical field
The utility model belongs to the technical field of geological disaster model test, relates in particular to a kind of combined type landslide physical experimentsDevice.
Background technology
Landslide is a large geological disaster that is only second to earthquake, and landslide phenomenon is the process of development and change, and the development of studying it becomesChange process, is not only its rule of understanding, the more important thing is for effectively preventing landslide; The destruction type on landslide is varied,Can be divided into retrogressive landslide, passing formula landslide and combined type landslide by its loading characteristic, meanwhile, landslide be divided into front portion,Middle part, rear portion syllogic further illustrate the deformation evolutionary process on dissimilar landslide: passing formula landslide is due to landslide trailing edgeLong-term loading, generation is by rear to front destruction gradually, the process that final integral is destroyed, and deformation process shows as: rear portion distortion-Middle part distortion-anterior distortion-bulk deformation; Retrogressive landslide, owing to hand excavation or river washing away, causes anterior crucial main cunningThe disappearance of piece, produces from front to back the process that progressively deformation failure, final integral are destroyed, and deformation process shows as: anterior changeDistortion-rear portion, shape-middle part distortion-bulk deformation; Combined type landslide is to have retrogressive landslide and passing formula landslide feature simultaneously, byIn the crucial anti-skid disappearance of leading edge and trailing edge loading effect, produce and destroyed gradually by front and back to centre, the process that final integral is destroyed,Be that deformation process shows as: anterior distortion and first distortion-middle part distortion-bulk deformation of rear portion distortion.
Chinese scholars attempts to come by a large amount of model tests the practical distortion evolutionary process on inverting landslide, has carried out a large amount of mouldsType experimental study, and obtain remarkable progress at the everyway such as theoretical research and technical research of model test, Landslide Model testTo in research on landslide, play an increasingly important role, research on landslide will have larger development.
In the physical experiments process of landslide, the real bearing state on simulation landslide is reduction landslide practical distortion evolutionary processKey, the model test apparatus of the existing main simulation landslide stress adopting mainly contains oblique model charger, trailing edge thrustModel loading device and centrifugal model charger, these Landslide Model chargers have been realized Landslide Deformation mistake to a certain extentThe reproduction of journey.
But, although these Landslide Model experimental rigs and test method have promoted the research of Landslide Problems to a certain extent,Still there is limitation or defect to a certain degree for existing landslide physical experiments device:
(1) the simple and bulk deformation situation that existing landslide physical experiments loading method can only Study of Landslides, and in actual workCheng Zhong, Landslide Deformation is very complicated, as retrogressive landslide, passing formula come down and have retrogressive landslide and passing formula landslideThe combined type landslide of feature, because landslide is not generally moment to produce bulk deformation, breaks but part is progressively deformed into bulk deformationBad, existing Landslide Model device cannot be realized the landslide practical distortion process inverting under Various Complex distortion.
(2) existing employing Landslide Model test loading method is all to deform brokenly by change integrated stress condition to the entirety that comes downBad, can not change come down front portion or rear portion stress respectively, cannot reach the process of distortion by stages; In addition, towed cunningThe front portion on slope and combined type landslide is washed away in river, first deformation failure (the anterior off-load in similar landslide under hand excavation's etc. effectEffect), existing method cannot realize.
(3) existing employing Landslide Model test loading method is substantially all by loading Landslide Model until destruction becomes to realize landslideShape Whole Process Simulation, cannot realize unloading or unloading and load the lab simulation simultaneously carrying out Landslide Model.
(4) existing landslide physical experiments device can not change according to specific requirement the stressing conditions of Landslide Model, is difficult to meetA model test apparatus is applicable to different Landslides tests, to such an extent as to different to dissimilar Landslide Model development testModel test apparatus, causes very large economic waste.
Summary of the invention
Technical problem to be solved in the utility model is the problem for above-mentioned existence, and a kind of combined type landslide physics mould is providedType experimental rig, can regulate the inclination angle of physical model, landslide and the stress state of different parts easily and quickly, makes inhomogeneityType Landslide Deformation conforms to practical distortion process.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of combined type landslide physical experiments device,It is characterized in that, comprise base, framework, elevating mechanism and thrust load maintainer, described base is " L " type block structure, instituteState framework and comprise front groove, pit and supporting seat, the inner side of described front groove and pit is hinged by bearing pin, and described bearing pin two ends are logicalCross on the horizontal plane that supporting seat is fixed on base, described elevating mechanism is installed on base horizontal plane, respectively with front groove and pitBottom is connected, and the vertical plane of described thrust load maintainer one end and base is hinged, and the other end is installed in pit inside.
Press such scheme, described elevating mechanism comprises front jack and rear jack, the bottom of described front jack and rear jackAll be fixed on base horizontal plane, top is connected with described front groove and pit bottom by contiguous block respectively.
Press such scheme, described thrust load maintainer comprises that electro-hydraulic servo adds carrier aircraft and load plate, and described electro-hydraulic servo adds carrier aircraftThe hinged-support of installing on one end and described base vertical plane is hinged, and the other end is connected with the end face center, outside of described load plate,Load plate is placed in described pit inside, and the height of load plate is corresponding with the height of landslide physical model.
Press such scheme, described front groove and pit are by base plate and biside plate composition, and the outside of front groove is provided with front apron, pitThe outer side center of biside plate is connected by limiting plate, and described load plate is spacing by described limiting plate anticreep.
Press such scheme, on described front groove and pit, be installed on angle inclinometer.
The beneficial effects of the utility model are: provide a kind of combined type landslide physical experiments device, by thrust load maintainerControlled loading and the lifting of elevating mechanism accurate stable, to simulate the stress state of front and back, landslide different parts, realize dissimilar cunningThe accurate reproduction simulation on slope, has solved researcher and cannot simulate the problem of controlling front and rear part, landslide random variation, this device in the pastSimple in structure, resistance to overturning good, durability good, can reuse, operating process is easy, has a extensive future, economic effectBenefit significantly.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the side view of an embodiment of the utility model.
Fig. 3 is the top view of an embodiment of the utility model.
Wherein: 1-base, groove before 2-, 3-pit, 4-supporting seat, jack before 5-, jack after 6-, 7-contiguous block, 8-Electro-hydraulic servo adds carrier aircraft, 9-load plate, 10-hinged-support, 11-limiting plate, the 12-physical model that comes down.
Detailed description of the invention
For understanding better the utility model, below in conjunction with drawings and Examples, the utility model will be further described.
As Figure 1-3, a kind of combined type landslide physical experiments device, comprises base 1, framework, elevating mechanism and pushes awayPower load maintainer, base is " L " type block structure, framework comprises front groove 2, pit 3 and supporting seat 4, front groove and pitInner side is hinged by bearing pin, and bearing pin two ends are fixed on by supporting seat on the horizontal plane of base, and elevating mechanism is installed in base waterIn plane, be connected respectively with the bottom of front groove and pit, the vertical plane of thrust load maintainer one end and base is hinged, the other endInstall in pit inside.
Elevating mechanism comprises front jack 5 and rear jack 6, and the bottom of forward and backward jack is all fixed on base horizontal plane,Top is connected with front groove and pit bottom by contiguous block 7 respectively, is installed on angle inclinometer on front groove and pit, can be by thousandThe stroke on jin top, the inclination angle of the framework of landslide physical model is accurately controlled in automation, realizes forward and backward by angle inclinometerThe continuous, stable of groove lifting controlled, the lifting angle of all right forward and backward groove of real time record framework.
Thrust load maintainer comprises that electro-hydraulic servo adds carrier aircraft 8 and load plate 9, and electro-hydraulic servo adds one end and the base vertical plane of carrier aircraftOn the hinged-support 10 installed be hinged, the other end is connected with the end face center, outside of load plate, load plate is placed in pit inside, logicalCross the descending operation that electro-hydraulic servo adds carrier aircraft and pit, can realize simultaneously landslide physical model trailing edge not the same period subordinate load thrustLoad and inclination hierarchical loading, and can realize landslide physical model leading edge load shedding by the decline of front groove.
Front groove and pit are by base plate and biside plate composition, and the outside of front groove is provided with front apron, the outer side center of the biside plate of pitBe connected by limiting plate 11, load plate is spacing by limiting plate anticreep, the height of the height of load plate and landslide physical model 12Corresponding, in process of the test, can, at any time according to the trailing edge height change of landslide physical model, change the load plate of differing heights,The thrust that adds carrier aircraft is effectively loaded on the physical model of landslide, and front groove and pit can rotate up and down around framework bearing pin, and front grooveIn rotation process, fit tightly and be independent of each other with the side plate of pit the same side, being convenient to realize landslide and adding unloading operation.
Adopt the utility model to carry out the research of combined type Landslide Deformation destructive process, its job step is:
1, the design of Landslide Model: according to the demand of research work, generally change landslide scale model by the principle of similitude, pass through liftStructure regulates the slide angle of Landslide Model, and is equipped with and makes Landslide Model with analog material; Meanwhile, in Landslide ModelPortion and the outside corresponding monitoring equipment such as stress, displacement of laying;
2, test adds unloading: calculate the required Thrust of Landslide size applying of landslide trailing edge according to theory, adopt electro-hydraulic servo to add carrier aircraftCarry out thrust classification progressively loads through load plate at Landslide Model rear portion; Meanwhile, jack before opening, by the length of front jackDegree retraction makes front groove rotate continuously around bearing pin, and rotational angle is by angle inclinometer Real-Time Monitoring record; Analog composite formula is slidingThe rear load on slope (anterior unloading), by front and back to the middle process of distortion successively, reach deformation process and combined type landslide realityDistortion conforms to;
3, data acquisition and processing (DAP): gather needed data by relevant data collecting instrument, for example soil pressure, inside, landslide(surface) displacement, pore water pressure, temperature etc.
4, off-test: discharge elevating mechanism and close electro-hydraulic servo and add carrier aircraft, and removal load plate; Reclaim relevant data acquisitionCollection equipment also removes the Landslide Model after destruction, washing moulding test framework.
Adopt the utility model also can carry out the research of retrogressive landslide process of deformation and failure, its structure and job step and combined typeLandslide Deformation destructive process is basic identical, in different just steps 2, only need to make front groove by the retracted in length of front jackRotate continuously around bearing pin, carry out thrust loading without adopting electro-hydraulic servo to add carrier aircraft, progressively unload simulation retrogressive landslide front portionThe process of carrying, being out of shape successively from front to back, reaches deformation process and conforms to retrogressive landslide practical distortion.
The research that adopts the utility model also can pass formula Landslide Deformation destructive process, its structure and job step and combined typeLandslide Deformation destructive process is basic identical, in different just steps 2, is coming down through load plate as long as add carrier aircraft by electro-hydraulic servoModel rear portion is carried out thrust classification and is progressively loaded, and before driving without front jack, groove rotates, and rear portion, simulation passing formula landslide adds graduallyCarry, from rear to the front process of distortion successively, reach deformation process and the passing formula practical distortion that comes down and conform to.
The utility model is the thrust Loading Control to framework lift adjustment and trailing edge by elevating mechanism, can realize dissimilar cunningSlope is stressed to be consistent with actual boundary condition, come down stressed size and Orientation continuously, accurately adjustable, and it is stable to add uninstall process,Be applicable to the requirement of the process of deformation and failure physical experiments on dissimilar landslide, and realize recycling. So it protects modelEnclose and be not limited to above-described embodiment.
Claims (5)
1. a combined type landslide physical experiments device, is characterized in that, comprises base, framework, elevating mechanism and thrustLoad maintainer, described base is " L " type block structure, described framework comprises front groove, pit and supporting seat, described front groove and afterThe inner side of groove is hinged by bearing pin, and described bearing pin two ends are fixed on by supporting seat on the horizontal plane of base, described elevating mechanismInstall on base horizontal plane, be connected respectively with the bottom of front groove and pit, described thrust load maintainer one end is vertical with baseFace is hinged, and the other end is installed in pit inside.
2. a kind of combined type according to claim 1 landslide physical experiments device, is characterized in that described liftStructure comprises front jack and rear jack, and the bottom of described front jack and rear jack is all fixed on base horizontal plane, topBe connected with described front groove and pit bottom by contiguous block respectively.
3. a kind of combined type according to claim 1 landslide physical experiments device, is characterized in that, described thrust addsMounted mechanism comprises that electro-hydraulic servo adds carrier aircraft and load plate, and described electro-hydraulic servo adds on one end of carrier aircraft and described base vertical plane to be installedHinged-support be hinged, the other end is connected with the end face center, outside of described load plate, load plate is placed in described pit inside, addsThe height of support plate is corresponding with the height of landslide physical model.
4. a kind of combined type according to claim 3 landslide physical experiments device, is characterized in that, described front groove andPit is by base plate and biside plate composition, and the outside of front groove is provided with front apron, and the outer side center of the biside plate of pit is passed through limiting plateBe connected, described load plate is spacing by described limiting plate anticreep.
5. a kind of combined type according to claim 1 landslide physical experiments device, is characterized in that, described front groove andOn pit, be installed on angle inclinometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130964.4U CN205263086U (en) | 2015-12-30 | 2015-12-30 | Combined type landslide physical model test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130964.4U CN205263086U (en) | 2015-12-30 | 2015-12-30 | Combined type landslide physical model test device |
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| CN205263086U true CN205263086U (en) | 2016-05-25 |
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| CN201521130964.4U Expired - Fee Related CN205263086U (en) | 2015-12-30 | 2015-12-30 | Combined type landslide physical model test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467099A (en) * | 2015-12-30 | 2016-04-06 | 中国地质大学（武汉） | Combined type landslide physical model test device |
| CN106093349A (en) * | 2016-07-21 | 2016-11-09 | 中国地质大学（武汉） | A kind of retrogressive landslide model test apparatus based on field monitoring and test method |
| CN107561246A (en) * | 2017-09-29 | 2018-01-09 | 中冶交通建设集团有限公司 | A kind of slope model test device |
-
2015
- 2015-12-30 CN CN201521130964.4U patent/CN205263086U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467099A (en) * | 2015-12-30 | 2016-04-06 | 中国地质大学（武汉） | Combined type landslide physical model test device |
| CN106093349A (en) * | 2016-07-21 | 2016-11-09 | 中国地质大学（武汉） | A kind of retrogressive landslide model test apparatus based on field monitoring and test method |
| CN106093349B (en) * | 2016-07-21 | 2018-05-01 | 中国地质大学（武汉） | A kind of retrogressive landslide model test apparatus and test method based on field monitoring |
| CN107561246A (en) * | 2017-09-29 | 2018-01-09 | 中冶交通建设集团有限公司 | A kind of slope model test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160525 Termination date: 20171230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |