CN105973723A - Slope soil shear strength site test device and method - Google Patents
Slope soil shear strength site test device and method Download PDFInfo
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- CN105973723A CN105973723A CN201610594478.0A CN201610594478A CN105973723A CN 105973723 A CN105973723 A CN 105973723A CN 201610594478 A CN201610594478 A CN 201610594478A CN 105973723 A CN105973723 A CN 105973723A
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- cuboid
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- soil
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a slope soil shear strength site test device and method. The device comprises a cuboid framework, wherein a cuboid soil mass frame is arranged in the framework body of the cuboid framework, the cuboid soil mass frame is of a cuboid frame structure formed by a steel sheet A, a steel sheet B and two side steel sheets, the steel sheet A is parallel to the steel sheet B, and the two side steel sheets are parallel to each other; jacks are installed between the inner wall of the cuboid framework and the outer wall of the steel sheet A closely and correspondingly, and located on the upper portion of the cuboid framework and the upper portion of the cuboid soil mass frame; a fixed rod is arranged on the inner wall of the cuboid framework, a forcemeter is installed on the fixed rod and provided with a dowel bar, and the end of the dowel bar of the forcemeter is fixedly connected with the outer wall of the steel sheet B; a dividing ruler is arranged on the upper portion of the cuboid framework. By the adoption of the device, slope soil shear strength site real-time testing of different types of slope soil can be achieved. Furthermore, the device has the advantages of being simple in structure and low in machining cost.
Description
Technical field
The present invention relates to the on-the-spot experimental technique field of geotechnique, particularly relate to a kind of slope soil shearing strength existing
Field test device and method of testing.
Background technology
Shearing strength is the ability of soil body opposing external loads, is the basic index evaluating slope stability,
It is the key content of Slope Stability Evaluation and prediction, geologic process in side slope soil forming process
Complexity and the particularity of residing stress so that side slope soil structure feature and physico-mechanical properties are with public
In the engineering of road there is bigger difference in the soil body at other positions, shows as significant discrete type and variability, as
What carries out, for side slope soil, the difficulties that field shear strength test accurately is stability of slope Journal of Sex Research.
The most indoor direct shear apparatus of existing slope soil shearing strength test device, can only sample and transport reality back
Test room to test, it is impossible to the shearing strength of the on-the-spot slope soil of true reflection；Its method of testing also compares
Fall behind, inefficient, have impact on its use in soil test.
Summary of the invention
It is an object of the invention to overcome existing side slope field shear strength test device and method to fall behind
Problem, it is provided that a kind of slope soil shearing strength on-site testing device and method of testing, it is possible to quick, high
Effect ground carries out slope soil shearing strength on-the-spot test test, measures the most accurately, thus improves scientific research
Level.
The purpose of the present invention is achieved through the following technical solutions:
A kind of slope soil shearing strength on-site testing device, including cuboid framework, at cuboid framework
Framework in be provided with cuboid soil body frame, described cuboid soil body frame is used for coordinating the placement cuboid soil body,
Described cuboid soil body frame is constituted one by a sheet metal A, a sheet metal B and two thin steel side plates
Cuboid frame structure, sheet metal A is parallel to each other with sheet metal B, and two thin steel side plates are parallel to each other,
Inside cuboid soil body frame, there is cuboid cavity；Outside the inwall of described cuboid framework and sheet metal A
Between wall, tight correspondence is provided with jack, and described jack is positioned at the top of cuboid framework, jack
It is positioned at the top of cuboid soil body frame；The inwall of described cuboid framework is provided with fixing bar, at fixing bar
On ergometer is installed, ergometer has dowel steel, outside the dowel steel end of ergometer and sheet metal B
Wall is fixing to be connected；Described cuboid framework upper is provided with for measuring cuboid soil body shearing displacement
Rule.
In order to this slope soil shearing strength on-site testing device is better achieved, described cuboid soil body frame
Sheet metal A be provided with draw-in groove, the bottom of jack coordinates and is installed in draw-in groove.
As preferably, between thin steel side plate lateral wall and the cuboid frame inner wall of described cuboid soil body frame
It is provided with support bar.
As preferably, fixing it is connected by screw is detachable between described rule with cuboid framework.
As preferably, described draw-in groove is arranged at the sheet metal A center position of cuboid soil body frame.
A kind of slope soil shearing strength on-the-spot test method, including slope soil shearing strength on-the-spot test
Device, its method of testing is as follows:
A, first cuboid framework is placed in side slope surface, disposes soil block or the foreign material on side slope surface, so
After leave reference marker, and make cuboid framework center position leave the cuboid soil body, described cuboid
The upper surface of the soil body is square, and the cuboid soil body periphery of described cuboid lower portion hollows out, and whole
Flat；
B, sheet metal A, sheet metal B are installed outside the cuboid soil body and two thin steel side plates constitute rectangular
Body soil body frame so that the cuboid soil body is closely placed in cuboid soil body frame, then at cuboid soil body frame
Thin steel side plate lateral wall and cuboid frame inner wall between support bar is installed, support bar is used for supporting fixing
In cuboid soil body both sides, sheet metal A center position leaves draw-in groove, and the bottom of jack is coordinated clamping
It is installed in draw-in groove, and the top of jack is held with cuboid frame inner wall；Rule is passed through
Several screws are fixed on cuboid frame side, and make rule corresponding can measure the cuboid soil body
Displacement under jack shear force；Ergometer is fixed on cuboid framework by fixing bar
Inner side so that jack and ergometer are positioned at the center position of cuboid soil body top half and fix, so
The reading of rear zeroing ergometer；
C, the shearing test of the beginning cuboid soil body, force the first half of the cuboid soil body by jack
Dividing and slowly shear movement, shear rate remains a constant speed, and observes rule, time interval T simultaneously
After, observing reading the record of ergometer, until shearing peak value occurs, then proceeding to shear, until surveying
Shearing that power meter reads keep constant till, the shearing that ergometer reads keeps constant value to be shearing
Equilibrium valve, and record the scale changing value of rule；
D, the shearing peak value read by ergometer, shearing equilibrium valve and the conversion of scale changing value are anti-
Cut intensity, after having tested, clear up slope soil shearing strength on-site testing device, it is ensured that slope soil
Soil sample is not remained, in case carrying out test next time on shearing strength on-site testing device.
The present invention compared with the prior art, has the following advantages and beneficial effect:
(1) present invention is capable of different soil property, dissimilar slope soil shearing strength scene in real time
The purpose of test, and there is simple in construction, advantage that processing cost is low, it is easy to producing and in teaching
Popularization and application.
(2) present invention is designed by high surface area steel-sheet, reduces shear history to slope soil
Disturbance, improve the precision of test；And draw-in groove is set at sheet metal A center position, it is ensured that cut
The stability of device during cutting, also improves the precision of test.
(3) present invention improves the efficiency of test, saves human cost, and Ei is strong for shearing resistance
Degree on-the-spot test test has important practice significance and significance of scientific research.
Accompanying drawing explanation
Fig. 1 is the top view of the present invention；
Fig. 2 is the side view of the present invention.
Wherein, entitled corresponding to the reference in accompanying drawing:
1-cuboid framework, 2-draw-in groove, 3-sheet metal A, 4-jack, 5-screw, 6-carves
Degree chi, 7-support bar, 8-dowel steel, 9-fixes bar, 10-ergometer, the 11-cuboid soil body,
12-sheet metal B.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment
As shown in Fig. 1～Fig. 2, a kind of slope soil shearing strength on-site testing device, including cuboid
Framework 1, a length of 113.5cm of cuboid framework 1, a width of 80cm, a height of 60cm of the present embodiment, long
Cube framework 1 is formed by Plate Welding, and intensity is higher, can bear certain load.At cuboid framework
Being provided with cuboid soil body frame in the framework of 1, cuboid soil body frame is used for coordinating the placement cuboid soil body 11,
Cuboid soil body frame be made up of a sheet metal A3, a sheet metal B12 and two thin steel side plates one long
Cube frame structure, sheet metal A3 is parallel to each other before and after sheet metal B12, about two thin steel side plates
Be parallel to each other, sheet metal A3, sheet metal B12, two thin steel side plates be four in the same size
Steel plate, a length of 50cm of its steel plate, a height of 30cm of steel plate, the thickness of steel plate is 0.4cm, cuboid
Soil body frame is used for fixing the cuboid soil body 11；Inside cuboid soil body frame, there is cuboid cavity.Cuboid
Closely the most corresponding between the inwall of framework 1 with sheet metal A3 lateral wall being provided with jack 4, the present invention is preferred
Jack 4 be 20T hoisting jack, the cuboid soil body 11 can be made slowly to move, thus right
The cuboid soil body 11 is formed to be sheared.Jack 4 is positioned at the top of cuboid framework 1,4, jack
Top in cuboid soil body frame.The inwall of cuboid framework 1 is provided with fixing bar 9, fixing bar 9
A length of 6.9cm, intensity is relatively big, and fixed pole 9 is for being fixed on ergometer 10 in cuboid framework 1
Side；Being provided with ergometer 10 on fixing bar 9, ergometer 10 has dowel steel 8, dowel steel 8
Rigidity is relatively big, is used for the Shear transfer of the cuboid soil body 11 to ergometer 10；The power transmission of ergometer 10
Bar 8 end is fixing with sheet metal B12 lateral wall to be connected.Cuboid framework 1 top is provided with for measuring length
The cube soil body 11 shears the rule 6 of displacement, and rule 6 is for reading the cuboid soil body 11
Shear displacemant, can be as accurate as millimeter (mm).
As it is shown in figure 1, the sheet metal A3 of cuboid soil body frame is provided with draw-in groove 2, the bottom of jack 4
Coordinating and be installed in draw-in groove 2, draw-in groove 2 is used for fixing jack 4 so that jack 4 is just placed in length
The center position of the cube soil body 11, it is ensured that shear stablizing of side slope soil shear strength on-site testing device
Property.
It is provided with support bar between thin steel side plate lateral wall and cuboid framework 1 inwall of cuboid soil body frame
7, as it is shown in figure 1, support bar 7 includes left support bar and right support bar, left support bar, right support bar
Length be 14.8cm, left support bar, right support bar are used for fixing the cuboid soil body 11 left and right sides
Thin steel side plate.
By the detachable fixing company of screw 5 between currently preferred rule 6 and cuboid framework 1
Connect.Currently preferred draw-in groove 2 is arranged at the sheet metal A3 center position of cuboid soil body frame.
This slope soil shearing strength on-site testing device is capable of different soil property, dissimilar side slope soil
The purpose of body shearing strength scene real-time testing, and there is simple in construction, advantage that processing cost is low,
It is prone to producing and popularization and application in teaching.
A kind of slope soil shearing strength on-the-spot test method, it is characterised in that: include slope soil shearing resistance
Intensity on-site testing device, its method of testing is as follows:
A, first cuboid framework 1 is placed in side slope surface, disposes soil block or the foreign material on side slope surface,
Then leave reference marker, and make cuboid framework 1 center position leave the cuboid soil body 11, rectangular
The upper surface of the body soil body 11 is square, and the cuboid soil body 11 periphery within cuboid framework 1 hollows out,
And flatten；
B, sheet metal A3, sheet metal B12 and two thin steel side plate structures are installed outside the cuboid soil body 11
Become cuboid soil body frame so that the cuboid soil body 11 is closely placed in cuboid soil body frame, is then growing
Support bar 7 is installed between thin steel side plate lateral wall and cuboid framework 1 inwall of cube soil body frame, supports
Bar 7 is fixed on the cuboid soil body 11 both sides for support, and sheet metal A3 center position leaves draw-in groove 2,
Coordinate clamping to be installed in draw-in groove 2 bottom of jack 4, and make the top of jack 4 with rectangular
Body framework 1 inwall holds；Rule 6 is fixed on cuboid framework 1 sidepiece by several screws 5,
And make rule 6 corresponding can measure the cuboid soil body 11 shifting under jack 4 shear force
Dynamic distance；Ergometer 10 is fixed on inside cuboid framework 1 by fixing bar 9 so that jack 4
And ergometer 10 is positioned at the center position of the cuboid soil body 11 top half and fixes, then return to zero dynamometry
The reading of meter 10；
C, the shearing test of the beginning cuboid soil body 11, force the cuboid soil body 11 by very heavy 4 tops
Top half and slowly shear movement, shear rate remains a constant speed, simultaneously observe rule 6,
After time interval T, observe reading the record of ergometer 10, until shearing peak value occurs, then continue
Continuous shearing, until the shearing that ergometer 10 reads keeps constant, what ergometer 10 read cuts
Trying hard to keep and holding constant value is shearing equilibrium valve, and records the scale changing value of rule 6；
D, the shearing peak value, shearing equilibrium valve and the conversion of scale changing value that are read by ergometer 10
Shearing strength, after having tested, clears up slope soil shearing strength on-site testing device, it is ensured that side slope soil
Soil sample is not remained, in case carrying out test next time on body shearing strength on-site testing device.
Above-mentioned embodiment is a preferred embodiment of the present invention, is not for limiting the present invention's
Implement and interest field, all equivalences made according to the content described in the present patent application scope of patent protection
Change and approximation are replaced, and all should be within the scope of the present invention.
Claims (6)
1. a slope soil shearing strength on-site testing device, it is characterized in that: include cuboid framework (1), cuboid soil body frame it is provided with in the framework of cuboid framework (1), described cuboid soil body frame is used for coordinating the placement cuboid soil body (11), described cuboid soil body frame is by a sheet metal A(3), a sheet metal B(12) and two thin steel side plates constitute a cuboid frame structure, sheet metal A(3) with sheet metal B(12) be parallel to each other, two thin steel side plates are parallel to each other, and have cuboid cavity inside cuboid soil body frame；The inwall of described cuboid framework (1) and sheet metal A(3) the tight corresponding jack (4) that is provided with between lateral wall, described jack (4) is positioned at the top of cuboid framework (1), and jack (4) is positioned at the top of cuboid soil body frame；The inwall of described cuboid framework (1) is provided with fixing bar (9), fixing bar (9) is provided with ergometer (10), ergometer (10) has dowel steel (8), dowel steel (8) end and the sheet metal B(12 of ergometer (10)) lateral wall is fixing is connected；Described cuboid framework (1) top is provided with the rule (6) shearing displacement for measuring the cuboid soil body (11).
2. according to a kind of slope soil shearing strength on-site testing device described in claim 1 and method of testing, it is characterized in that: the sheet metal A(3 of described cuboid soil body frame) it is provided with draw-in groove (2), the bottom cooperation of jack (4) is installed in draw-in groove (2).
3. according to a kind of slope soil shearing strength on-site testing device described in claim 1, it is characterised in that: it is provided with support bar (7) between thin steel side plate lateral wall and cuboid framework (1) inwall of described cuboid soil body frame.
4. according to a kind of slope soil shearing strength on-site testing device described in claim 1, it is characterised in that: fixing it is connected by screw (5) is detachable between described rule (6) with cuboid framework (1).
5. according to a kind of slope soil shearing strength on-site testing device described in claim 2, it is characterised in that: described draw-in groove (2) is arranged at the sheet metal A(3 of cuboid soil body frame) center position.
6. a slope soil shearing strength on-the-spot test method, it is characterised in that: including slope soil shearing strength on-site testing device, its method of testing is as follows:
A, first cuboid framework (1) is placed in side slope surface, dispose soil block or the foreign material on side slope surface, then reference marker is left, and make cuboid framework (1) center position leave the cuboid soil body (11), the upper surface of the described cuboid soil body (11) is square, the cuboid soil body (11) periphery that described cuboid framework (1) is internal hollows out, and flattens；
B, at the cuboid soil body (11) outside installation sheet metal A(3), sheet metal B(12) and two thin steel side plates composition cuboid soil body frames, the cuboid soil body (11) is closely placed in cuboid soil body frame, support bar (7) is then installed between the thin steel side plate lateral wall and cuboid framework (1) inwall of cuboid soil body frame, support bar (7) is fixed on the cuboid soil body (11) both sides for support, sheet metal A(3) center position leaves draw-in groove (2), clamping is coordinated to be installed in draw-in groove (2) bottom of jack (4), and the top of jack (4) is held with cuboid framework (1) inwall；Rule (6) is fixed on cuboid framework (1) sidepiece by several screws (5), and makes rule (6) corresponding can measure the cuboid soil body (11) displacement under jack (4) shear force；Ergometer (10) is fixed on cuboid framework (1) inner side by fixing bar (9) so that jack (4) and ergometer (10) are positioned at the center position of the cuboid soil body (11) top half and fix, the reading of the ergometer that then returns to zero (10)；
C, the shearing test of the beginning cuboid soil body (11), force the top half of the cuboid soil body (11) by very heavy (4) top and slowly shear movement, shear rate remains a constant speed, observe rule (6) simultaneously, after time interval T, observe reading the record of ergometer (10), until shearing peak value occurs, then proceed to shear, until the shearing that ergometer (10) reads keeps constant, and record the scale changing value of rule (6)；
D, by above-mentioned measured value convert shearing strength, after test, clear up slope soil shearing strength on-site testing device, it is ensured that do not remain soil sample on slope soil shearing strength on-site testing device, in case carry out next time test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610594478.0A CN105973723A (en) | 2016-07-26 | 2016-07-26 | Slope soil shear strength site test device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610594478.0A CN105973723A (en) | 2016-07-26 | 2016-07-26 | Slope soil shear strength site test device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442171A (en) * | 2016-11-04 | 2017-02-22 | 中国有色金属工业昆明勘察设计研究院 | Horizontal type diagonal supporting device for vertical loading of large in-situ shear test |
| CN107817173A (en) * | 2017-10-31 | 2018-03-20 | 华侨大学 | Raw-soil wall original position diagonal shear pilot system and its application method |
| CN108627199A (en) * | 2018-07-18 | 2018-10-09 | 蔡灏晖 | A kind of device that can measure the multinomial mechanics of mud-rock flow and kinematics parameters simultaneously |
| CN110376077A (en) * | 2019-08-26 | 2019-10-25 | 五邑大学 | A kind of detachable root system composite earth field direct shear test device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1164202A (en) * | 1997-08-21 | 1999-03-05 | Fujita Corp | Method and device for testing shear strength |
| CN101105433A (en) * | 2007-07-26 | 2008-01-16 | 河海大学 | Portable on-spot and indoor dual-purpose direct-cutting experiment instrument and its sampling method |
| CN101865802A (en) * | 2010-05-26 | 2010-10-20 | 西安科技大学 | Soil in-situ shear resistance tester |
| CN103616301A (en) * | 2013-12-16 | 2014-03-05 | 浙江水利水电学院 | Soil body shearing testing device and soil body shearing method |
| CN204008331U (en) * | 2014-07-15 | 2014-12-10 | 长江勘测规划设计研究有限责任公司 | A kind of large-scale direct shear test device in scene that detects clay soil shear strength |
| CN104807706A (en) * | 2015-04-27 | 2015-07-29 | 中国地质科学院探矿工艺研究所 | Portable soft and weak layer in-situ direct shear tester and testing method thereof |
| CN205981940U (en) * | 2016-07-26 | 2017-02-22 | 山西省交通科学研究院 | Existing field test device of side slope soil body shear strength |
-
2016
- 2016-07-26 CN CN201610594478.0A patent/CN105973723A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1164202A (en) * | 1997-08-21 | 1999-03-05 | Fujita Corp | Method and device for testing shear strength |
| CN101105433A (en) * | 2007-07-26 | 2008-01-16 | 河海大学 | Portable on-spot and indoor dual-purpose direct-cutting experiment instrument and its sampling method |
| CN101865802A (en) * | 2010-05-26 | 2010-10-20 | 西安科技大学 | Soil in-situ shear resistance tester |
| CN103616301A (en) * | 2013-12-16 | 2014-03-05 | 浙江水利水电学院 | Soil body shearing testing device and soil body shearing method |
| CN204008331U (en) * | 2014-07-15 | 2014-12-10 | 长江勘测规划设计研究有限责任公司 | A kind of large-scale direct shear test device in scene that detects clay soil shear strength |
| CN104807706A (en) * | 2015-04-27 | 2015-07-29 | 中国地质科学院探矿工艺研究所 | Portable soft and weak layer in-situ direct shear tester and testing method thereof |
| CN205981940U (en) * | 2016-07-26 | 2017-02-22 | 山西省交通科学研究院 | Existing field test device of side slope soil body shear strength |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442171A (en) * | 2016-11-04 | 2017-02-22 | 中国有色金属工业昆明勘察设计研究院 | Horizontal type diagonal supporting device for vertical loading of large in-situ shear test |
| CN107817173A (en) * | 2017-10-31 | 2018-03-20 | 华侨大学 | Raw-soil wall original position diagonal shear pilot system and its application method |
| CN107817173B (en) * | 2017-10-31 | 2023-10-20 | 华侨大学 | In-situ diagonal shear test system for raw soil wall and application method thereof |
| CN108627199A (en) * | 2018-07-18 | 2018-10-09 | 蔡灏晖 | A kind of device that can measure the multinomial mechanics of mud-rock flow and kinematics parameters simultaneously |
| CN108627199B (en) * | 2018-07-18 | 2020-05-05 | 蔡灏晖 | Device capable of simultaneously measuring multiple mechanical and kinematic parameters of debris flow |
| CN110376077A (en) * | 2019-08-26 | 2019-10-25 | 五邑大学 | A kind of detachable root system composite earth field direct shear test device and method |
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Application publication date: 20160928 |