CN102564941A - Tree model device and experimental method - Google Patents
Tree model device and experimental method Download PDFInfo
- Publication number
- CN102564941A CN102564941A CN2012100086130A CN201210008613A CN102564941A CN 102564941 A CN102564941 A CN 102564941A CN 2012100086130 A CN2012100086130 A CN 2012100086130A CN 201210008613 A CN201210008613 A CN 201210008613A CN 102564941 A CN102564941 A CN 102564941A
- Authority
- CN
- China
- Prior art keywords
- model
- tree
- root
- trunk
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a tree model device and an experimental method which are used for fields and places such as mechanical experiments, researches and simulation of root system anchorage. A trunk model is arranged at the upper part of a root model. A loading system for applying different position forces or force couples is arranged on the trunk model. The experimental method comprises the steps of: 1) digging a soil pit, burying the root model into soil, backfilling the soil into the pit and ramming the backfilling soil according to different design compactness; 2) connecting the trunk model with a crown model; 3) installing the loading system and an observation system; 4) watering the soil to simulate storm rain infiltration; and 5) loading and measuring. The tree model device and the experimental method have the advantages that the tree model device can be repetitively utilized, the cost of tree mechanical tests is reduced, the requirement on environmental protection is satisfied, the model can be manually set, the experimental process can be manually adjusted and the experimental results can fully reveal the working method and synergistic action mechanism of major factors such as root systems and soil.
Description
Technical field:
The present invention relates to a kind of tree modelling device and experimental technique that is used to carry out fields such as Experiments of Machanics and research and the anchoring of simulation root system and occasion.
Background technology:
In order to study trees unstability, root system mechanical property and problems such as trees, root system and soil interaction; The actual trees of current main use carry out destructive load test; But adopt existing trees resource to carry out large-scale experiment; Economic cost is bigger, is unfavorable for protecting trees, and does not meet environmental protection requirement.
Summary of the invention:
It is low to the purpose of this invention is to provide a kind of experimentation cost, and can reuse, and meets the tree modelling device and the experimental technique of requirement on environmental protection.
The present invention is achieved in that
A kind of tree modelling device is provided with the trunk model on the top of tree root model, and the trunk model is provided with the power that applies on the diverse location or the loading system of couple.
The top of above-mentioned trunk model is provided with the tree crown model, and the quality that adds loads on the tree crown model is symmetrically distributed in the trunk model and its gross mass that adds loads can change.
Above-mentioned tree crown model is: be arranged on the support at trunk model top and be symmetricly set on a plurality of loads that add on the support.
Above-mentioned trunk model is detachable the connection with the connected mode of tree root model.
Above-mentioned detachable being connected to: cassette connects or bolt connects.
Above-mentioned tree root model is: by some diverse locations, have different trends and have the simulation tree root that the imitative root bar of different-diameter and different length forms, the consumption of imitative root bar and diameter are to minimizing gradually all around; Or described tree root model is: the actual tree root behind the excision trunk.
The material of above-mentioned trunk model is the combination of timber or steel or timber and steel; The material of the simulation tree root of described tree root model is artificial material or its array modes such as natural materials such as bamboo, fiber crops, cotton or fiber, plastics, wire bundle.
Above-mentioned trunk model is provided with recording geometry.
Above-mentioned recording geometry comprises strainometer, displacement meter, the instrument of the function that takes measurement of an angle.
To the method that the tree modelling device carries out Experiments of Machanics, concrete steps are following:
(1) excavate heatable adobe sleeping platform, the tree root model imbedded in the soil, with soil fill out back the hole interior and by the different designs packing with backfill compaction;
(2) on the tree root model, firmly connect trunk model and tree crown model;
(3) loading system and recording geometry are installed;
(4) can add water simulation heavy rain to soil soaks into;
(5) load and measure.
The present invention compares the outstanding advantage of prior art:
The present invention can reuse; Reduced the cost of trees mechanical tests, met requirement on environmental protection, model can artificially be provided with; Experimentation can be adjusted in manual work, and experimental result can fully disclose the working method and synergy mechanism of root system and each principal element of soil.
Description of drawings:
Fig. 1 is the synoptic diagram with tree modelling of simulation tree root of the present invention;
Fig. 2 is the synoptic diagram with tree modelling of actual tree root of the present invention.
Embodiment:
With specific embodiment the present invention is further described below, referring to Fig. 1-2:
A kind of tree modelling device is provided with trunk model 1 on the top of tree root model, and trunk model 1 is provided with the power that applies on the diverse location or the loading system 3 of couple.
The top of above-mentioned trunk model 1 is provided with tree crown model 4, and the quality that adds loads on the tree crown model 4 is symmetrically distributed in trunk model 1 and its gross mass that adds loads can change.
Above-mentioned tree crown model 4 is: be arranged on the support 6 at trunk model 1 top and be symmetricly set on a plurality of loads 5 that add on the support 6.Adding the weight that loads 5 is different qualities, can be spherical weight, block weight or strip weight, behind the weight that uses a mass, the weight of another one quality can be installed after dismounting.As adopt counterweight to work as weight: a plurality of counterweight symmetries to be positioned on the support 6 at trunk model 1 top, can to put two or several counterweights, also can reduce or increase the counterweight quality and quantity in pairs.
Above-mentioned trunk model 1 is detachable the connection with the connected mode of tree root model.
Above-mentioned detachable being connected to: cassette connects or bolt connects.It also can be other detachable connected mode.
Above-mentioned tree root model is: by some diverse locations, have different trends and have the simulation tree root 2 that the imitative root bar 7 of different-diameter and different length forms, the consumption of imitative root bar 7 and diameter are to minimizing gradually all around; Or described tree root model is: the actual tree root 8 behind the excision trunk.
The material of above-mentioned trunk model 1 is the combination of timber or steel or timber and steel; The actual trees that trunk model 1 adopts different cross section shape and size specification to simulate different sizes;
The material of the simulation tree root 2 of described tree root model is artificial material or its array modes such as natural materials such as bamboo, fiber crops, cotton or fiber, plastics, wire bundle.
Above-mentioned trunk model 1 is provided with recording geometry 9.
Above-mentioned recording geometry 9 comprises strainometer, displacement meter, the instrument of the function that takes measurement of an angle.The instrument of the function that takes measurement of an angle, as: inclinator.Through the working method and synergy mechanism of recording geometry 9 image data to analyze and to disclose root system and each principal element of soil.
A kind of method that the tree modelling device is carried out Experiments of Machanics, concrete steps are following:
(1) excavate heatable adobe sleeping platform 10, the tree root model inserted in the heatable adobe sleeping platform 10, anti-root bar 7 is stretched naturally, with native layering fill out back heatable adobe sleeping platform 10 interior and by the different designs packing with backfill compaction, or directly the actual tree root 8 behind the trunk is excised in employing;
(2) on the tree root model, firmly connect trunk model 1 and tree crown model 4;
(3) loading system 3 and recording geometry 9 are installed;
(4) can add water to soil and simulate heavy rain and soak into situation, also can remove the surface soil road and go out root system and come simulated flow to wash away situation;
(5) load and measure, institute's load application is power or couple, and the measurement project is strain, displacement and corner etc.Load through loading system 3, and through the working method and synergy mechanism of recording geometry 9 image data to analyze and to disclose root system and each principal element of soil.
The foregoing description is merely one of preferred embodiment of the present invention, is not to limit practical range of the present invention with this, so: all equivalences of doing according to shape of the present invention, structure, principle change, and all should be covered by within protection scope of the present invention.
Claims (10)
1. tree modelling device is characterized in that: be provided with the trunk model on the top of tree root model, the trunk model is provided with the power that applies on the diverse location or the loading system of couple.
2. a kind of tree modelling device according to claim 1, it is characterized in that: the top of described trunk model is provided with the tree crown model, and the quality that adds loads on the tree crown model is symmetrically distributed in the trunk model and its gross mass that adds loads can change.
3. a kind of tree modelling device according to claim 2 is characterized in that: described tree crown model is: be arranged on the support at trunk model top and be symmetricly set on a plurality of loads that add on the support.
4. a kind of tree modelling device according to claim 1 is characterized in that: described trunk model is detachable the connection with the connected mode of tree root model.
5. a kind of tree modelling device according to claim 4 is characterized in that: described detachable being connected to: cassette connects or bolt connects.
6. a kind of tree modelling device according to claim 1; It is characterized in that: described tree root model is: by some diverse locations, have different trends and have the simulation tree root that the imitative root bar of different-diameter and different length forms, the consumption of imitative root bar and diameter are to minimizing gradually all around; Or described tree root model is: the actual tree root behind the excision trunk.
7. according to claim 1 or 6 described a kind of tree modelling devices, it is characterized in that: the material of described trunk model is the combination of timber or steel or timber and steel; The material of the simulation tree root of described tree root model is bamboo, fiber crops, cotton or fiber, plastics, wire bundle or its array mode.
8. a kind of tree modelling device according to claim 1 is characterized in that: described trunk model is provided with recording geometry.
9. a kind of tree modelling device according to claim 8 is characterized in that: described recording geometry comprises strainometer, displacement meter, the instrument of the function that takes measurement of an angle.
10. method that the said tree modelling device of claim 1 is carried out Experiments of Machanics, it is characterized in that: concrete steps are following:
(1) excavate heatable adobe sleeping platform, the tree root model imbedded in the soil, with soil fill out back the hole interior and by the different designs packing with backfill compaction;
(2) on the tree root model, firmly connect trunk model and tree crown model;
(3) loading system and recording geometry are installed;
(4) can add water simulation heavy rain to soil soaks into;
(5) load and measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100086130A CN102564941A (en) | 2012-01-12 | 2012-01-12 | Tree model device and experimental method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100086130A CN102564941A (en) | 2012-01-12 | 2012-01-12 | Tree model device and experimental method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102564941A true CN102564941A (en) | 2012-07-11 |
Family
ID=46410937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100086130A Pending CN102564941A (en) | 2012-01-12 | 2012-01-12 | Tree model device and experimental method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102564941A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946223A (en) * | 2019-03-19 | 2019-06-28 | 南宁学院 | A kind of cassava pulls up the rig for model test of mechanical analysis test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU654919A1 (en) * | 1977-10-03 | 1979-03-30 | Специальное Конструкторское Бюро Сейсмической Техники | Seismic survey method |
| CN2219033Y (en) * | 1994-09-05 | 1996-02-07 | 刘玉杰 | Emulation tree |
| CN1350811A (en) * | 2000-11-01 | 2002-05-29 | 盛元墉 | System for preventing and treating desertification |
| CN101629896A (en) * | 2009-03-12 | 2010-01-20 | 北京林业大学 | Method for researching friction anchoring property between forest root system and soil and device therefor |
| CN202453279U (en) * | 2012-01-12 | 2012-09-26 | 胡忠志 | Tree model device |
-
2012
- 2012-01-12 CN CN2012100086130A patent/CN102564941A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU654919A1 (en) * | 1977-10-03 | 1979-03-30 | Специальное Конструкторское Бюро Сейсмической Техники | Seismic survey method |
| CN2219033Y (en) * | 1994-09-05 | 1996-02-07 | 刘玉杰 | Emulation tree |
| CN1350811A (en) * | 2000-11-01 | 2002-05-29 | 盛元墉 | System for preventing and treating desertification |
| CN101629896A (en) * | 2009-03-12 | 2010-01-20 | 北京林业大学 | Method for researching friction anchoring property between forest root system and soil and device therefor |
| CN202453279U (en) * | 2012-01-12 | 2012-09-26 | 胡忠志 | Tree model device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109946223A (en) * | 2019-03-19 | 2019-06-28 | 南宁学院 | A kind of cassava pulls up the rig for model test of mechanical analysis test |
| CN109946223B (en) * | 2019-03-19 | 2021-09-10 | 南宁学院 | Model test stand for cassava pulling mechanical analysis test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204514375U (en) | A kind of anchored slope distortion intelligent monitor system | |
| Schwarz et al. | Spatial characterization of root reinforcement at stand scale: theory and case study | |
| Giadrossich et al. | Large roots dominate the contribution of trees to slope stability | |
| CN103454400B (en) | Model box applied to large stereoscopic synthesis simulation test bench in geotechnical engineering | |
| CN109883675A (en) | The model assay systems and method of gravity anchor stability study under a kind of earthquake load | |
| Temgoua et al. | Influence of forest stands and root morphologies on hillslope stability | |
| CN108680441B (en) | Measure the pilot system and method for side slope plant root-stem relation mechanical characteristic | |
| CN109868849B (en) | Pile-soil interaction visual test device and test method thereof | |
| CN203238678U (en) | Ultralong pile effective pile length simulation testing box | |
| CN213875269U (en) | Multifunctional tunnel model test device | |
| Kim et al. | Stability analysis of laterally loaded trees based on tree-root-soil interaction | |
| CN104790441A (en) | Effective pile length researching simulation test box for variable parameter super-long pile | |
| CN208206965U (en) | A kind of side slope FBG monitoring model test apparatus under condition of raining | |
| CN105350488A (en) | Test device for novel sheet-pile wharf and manufacturing method and test method of test device | |
| Su | Laboratory pull-out testing study on soil nails in compacted completely decomposed granite fill | |
| CN103541339A (en) | Pull rod type testing device and method for unsaturated undisturbed loess slope soil pressure | |
| CN112924291B (en) | Model test device and test method for tunnel-type anchorage under tunnel | |
| CN102564941A (en) | Tree model device and experimental method | |
| CN202453279U (en) | Tree model device | |
| Jonsson | Energy absorption of trees in a rockfall protection forest | |
| CN103321259B (en) | Testing system for anchor network reinforcement of underground engineering broken surrounding rock | |
| CN106013267B (en) | A kind of vertical anti-pulling concrete model stake and its method of construction and application | |
| CN103924591B (en) | A kind of method for designing of tension type anchor cable | |
| CN206656921U (en) | A kind of roadbed GSZ axially loaded characteristic research device | |
| Meijer et al. | In situ root identification through blade penetrometer testing–part 1: interpretative models and laboratory testing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |