CN102494951A - Rotatable rock-soil testing machine - Google Patents
Rotatable rock-soil testing machine Download PDFInfo
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- CN102494951A CN102494951A CN2011103621772A CN201110362177A CN102494951A CN 102494951 A CN102494951 A CN 102494951A CN 2011103621772 A CN2011103621772 A CN 2011103621772A CN 201110362177 A CN201110362177 A CN 201110362177A CN 102494951 A CN102494951 A CN 102494951A
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Abstract
A rotatable rock-soil testing machine relates to rock-soil testing machine equipment. A lower flange of a sample cylinder (18) is connected with a downward thrust aligning roller bearing (15) through a pedestal (10) under the cylinder; an upper flange of the sample cylinder (18) is connected with a main shaft (4) through a left side plate and a right side plate (20,16); a bull gear (2) is connected with the main shaft and engaged with a gear on a pinion shaft (3); a motor (1) is connected with the pinion shaft through a reduction box (30) and a shaft coupling (29); and rotation of the main shaft (4) drives the sample cylinder (18) and the pedestal (10) under the cylinder to rotate together, so as to realize rotation of a rock-soil sample (8). The rotatable rock-soil testing machine solves a rotation problem during axial loading of the rock-soil sample (8), so as to facilitate application of industrial CT continuous scan on internal dynamics of the rock-soil sample during axial loading and benefit deepening of research on rock-soil mechanics.
Description
Technical field
The present invention relates to a kind of ground testing machine equipment, belong to the experimental provision technical field, particularly a kind of ground testing machine that utilizes the CT scan technology that the mechanical property and the deformation process of ground are tested.
Background technology
The ground testing machine is to be the stress of research ground, a kind of basic science test apparatus of strain stress relation; Form by axial compression system, confined pressure system and temperature control system; Principle of work is through the axial compression system sample to be applied axial sample power; Through the pressure chamber sample is applied confined pressure, through temperature control system the upper and lower end face of sample, sample middle part are under the different temperature environment respectively simultaneously, thus the multiple actual condition of simulation sample under different temperatures.But traditional ground testing machine is difficult to observe the inner structure of material thereby more can't records the true geometric distribution situation of the inner heterogeneity material of rock mass.Constantly improving and development of Along with computer technology, the CT recognition technology is applied to the ground test.For the distortion situation to each longitudinal cross-section of ground sample in process of the test dynamic observes, will solve the problem that relatively rotates of ground sample and CT scanner.
Lanzhou Inst. of Glaciology and Cryopedology, Chinese Academy of Sciences once adopted the CT measuring technology to carry out the ground triaxial test.What they adopted is the strain-type triaxial cell directly to be put in the CT machine scan, and this CT scan method only is suitable for pressure chamber's axle pressure and the lower occasion of ambient pressure, and is inapplicable to large-scale ground testing machine.
Application for a patent for invention 200620096213.X discloses a kind of comprehensive scanning ground CT triaxial apparatus, and it is a kind of triaxial apparatus of complete nonmetal making, not only can carry out the scanning of horizontal section, and can carry out the vertically scanning of (axially) section.But also only be applicable to the occasion that axial compression and confined pressure are less, inapplicable to large-scale ground testing machine.Axial compression, the confined pressure of large-scale ground testing machine are bigger, must use metal to make test specimen tube, must use high energy CT machine accordingly like this.Because large-scale ground testing machine volume is bigger, can not directly put into high energy CT machine and scan, so must be rotatable part with the test specimen tube partial design of testing machine.
Summary of the invention
The technical matters that the present invention is intended to solve is the rotation problem in the axial loading procedure of ground sample.
Technical scheme of the present invention is following:
A kind of rotatable ground testing machine, rotatable ground testing machine comprises: the hydraulic cylinder, hydraulic loading system, test specimen tube, the upper plate that are installed in base internal cavities center; The lower end of four root posts is fixed in four legholes of four jiaos of bases, and lower roof plate is actively socketed on the bottom of four root posts, can slide at vertical direction along four columns, and the top of four root posts is fixedly sleeved in four legholes of four jiaos of upper plates.
In the tube of test specimen tube bottom, place lower plunger, lower gasket, ground sample, Upper gasket in the tube successively; Upper plug in the tube is put into test specimen tube from the hole of test specimen tube upper end; Its lower surface contacts with Upper gasket; The periphery of upper plug cooperates with the hole of test specimen tube upper end in the tube, establishes rubber seal therebetween, establishes rubber seal between the inwall of the periphery of lower plunger and test specimen tube in the tube.
The outer ring of following self-aligning thrust roller bearing is installed in the bearing saddle bore of lower roof plate center setting; The minor axis end of tube lower bottom base is installed in down in the inner ring of self-aligning thrust roller bearing.
The square locating slot of center and the square flange clearance fit of test specimen tube lower end above the tube lower bottom base.
Self-aligning ball bearing and last self-aligning thrust roller bearing are installed respectively on the upper surface of upper plate and the lower surface; Main shaft is a step axle, and a section of first step axle cooperates with self-aligning ball bearing, and the second step axle cooperates with last self-aligning thrust roller bearing.
Symmetry is installed left plate and right plate on the 3rd step axle lower surface, and the two cooperates with two relative side clearancies of square flange, test specimen tube upper end.
Jacket casing contacts with the self-aligning ball bearing inner ring on the first step axle of main shaft.
The axle head of first step axle is connected with gear wheel through key, and sleeve is pushed down in the lower surface of gear wheel.
Through screw the spindle end baffle plate is installed on the end face of first step axle.
In main shaft and the tube in a upper plug, ground sample, the tube lower plunger coaxial.
Lower ball bearing is installed on the upper plate, in the bearing saddle bore on the right of self-aligning ball bearing bearing saddle bore; One end of pinion shaft cooperates with lower ball bearing.
On upper end cover, establish a stepped hole, install ball bearing on it, upper end cover is fixed through bolt and upper plate, and the other end of pinion shaft is cooperated with upper ball bearing, gear wheel and pinion shaft engagement.
The input shaft of the reducer casing that is coupling of motor, reducer casing is fixed on the electric machine support, and electric machine support is fixed on the upper end cover; Pinion shaft is connected with the output shaft of reducer casing through shaft coupling.
A conical socket is established in the center of the upper surface of lower plunger in the described tube; A conic convex is established in the center of described lower gasket, and the conic convex of lower gasket cooperates with the conical socket of lower plunger in the tube; A conical socket is established in the center of the lower surface of upper plug in the described tube; A conic convex is established in the center of described Upper gasket, and the conic convex of Upper gasket cooperates with the conical socket of upper plug in the tube.
Described test specimen tube is a stepped hole, and the flange of big small bore end is identical square, and the center radial section is an annulus
Described left plate and right plate are a square, and establish three reinforcements.
The one side of described tube lower bottom base is a minor axis, and another side is a square groove.
The present invention compared with prior art has following effect:
The ground sample has also been realized rotation when realizing axially loading, and rotating moment born by test specimen tube, has guaranteed that the ground sample only bears axial force.Simultaneously, the tapered protrusion that on pad, is provided with has guaranteed that the ground sample is at rotation center; A pair of self-aligning thrust roller bearing has born axial load, and has guaranteed the axial homogeneity that loads of ground sample.Be convenient to the internal dynamic of applicable industry CT continuous sweep ground sample under situation about axially loading like this, help deepening the research of rock-soil mechanics.
Description of drawings
The rotatable ground testing machine of Fig. 1 front view.
The A-A cut-open view of Fig. 2 Fig. 1.
I place partial enlarged drawing among Fig. 3 Fig. 1.
Fig. 4 side plate front elevation.
Fig. 5 side plate left view.
Fig. 6 test specimen tube front section view.
The B-B cut-open view of Fig. 7 Fig. 6.
Fig. 8 tube lower bottom base front section view.
Fig. 9 tube lower bottom base vertical view.
The upper and lower pad front elevation of Figure 10.
Figure 11 main shaft front elevation.
Among the figure: motor 1; Gear wheel 2; Pinion shaft 3; Main shaft 4; Last self-aligning thrust roller bearing 5; Right plate 6; Upper plug 7 in the tube; Ground sample 8; Lower plunger 9 in the tube; Tube lower bottom base 10; Lower roof plate 11; Base 12; Hydraulic loading system 13; Hydraulic cylinder 14; Following self-aligning thrust roller bearing 15; Four root posts 16; Lower gasket 17; Test specimen tube 18; Upper gasket 19; Left plate 20; Upper plate 21; Self-aligning ball bearing 22; Spindle end baffle plate 23; Upper end cover 24; Sleeve 25; Lower ball bearing 26; Upper ball bearing 27; Electric machine support 28; Shaft coupling 29; Reducer casing 30; First step axle d; Second step axle c; The 3rd step axle b.
Embodiment
Below in conjunction with accompanying drawing 1～Figure 11 and embodiment the present invention is done further explain.
A kind of rotatable ground testing machine, rotatable ground testing machine comprises: the hydraulic cylinder 14, hydraulic loading system 13, test specimen tube 18, the upper plate 21 that are installed in base 12 internal cavities centers.The lower end of four root posts 16 is fixed in four legholes of 12 4 jiaos of bases, and lower roof plate 11 is actively socketed on the bottom of four root posts 16, can slide at vertical direction along four root posts 16, and 16 pairs of lower roof plates 11 of four root posts play guide effect, and are as shown in Figure 1.The top of four root posts 16 is fixedly sleeved in four legholes of 21 4 jiaos of upper plates.
In the tube of test specimen tube 18 bottoms, place lower plunger 9, lower gasket 17, ground sample 8, Upper gasket 19 in the tube successively; Upper plug in the tube 7 is put into test specimen tube 18 from the hole of test specimen tube 18 upper ends; Its lower surface contacts with Upper gasket 19; The periphery of upper plug 7 cooperates with the hole of test specimen tube 18 upper ends in the tube, establishes rubber seal therebetween, establishes rubber seal between the inwall of the periphery of lower plunger 9 and test specimen tube 18 in the tube.
The outer ring of following self-aligning thrust roller bearing 15 is installed in the bearing saddle bore of lower roof plate 11 centers setting; The minor axis end of tube lower bottom base 10 is installed in down in the inner ring of self-aligning thrust roller bearing 15.
The square locating slot of center and the square flange clearance fit of test specimen tube 18 lower ends above the tube lower bottom base 10.
Self-aligning ball bearing 22 and last self-aligning thrust roller bearing 5 are installed respectively on the upper surface of upper plate 21 and the lower surface; Main shaft 4 is a step axle, and a section of first step axle d cooperates with self-aligning ball bearing 22, and second step axle c cooperates with last self-aligning thrust roller bearing 5.
Symmetry is installed left plate 20 and right plate 6 on the lower surface of the 3rd step axle b, and the two two side clearance relative with the square flange in test specimen tube 18 upper ends cooperates.Guarantee ground sample 8 like this with test specimen tube 18 coaxial and rotations, and driving torque born by test specimen tube 18, guarantee that 8 on ground sample receives responsive to axial force, does not bear torsional interaction.
The axle head of first step axle d is connected with gear wheel 2 through key, and sleeve 25 is pushed down in the lower surface of gear wheel 2.
Through screw spindle end baffle plate 23 is installed on the end face of first step axle d.
In main shaft 4 and the tube in a upper plug 7, ground sample 8, the tube lower plunger 9 coaxial.
Lower ball bearing 26 is installed on the upper plate 21, is positioned at the bearing saddle bore on the right of self-aligning ball bearing 22 bearing saddle bores; One end of pinion shaft 3 cooperates with lower ball bearing 26.
The input shaft of the reducer casing 30 that is coupling of motor 1, reducer casing 30 is fixed on the electric machine support 28, and electric machine support 28 is fixed on the upper end cover 24; Pinion shaft 3 is connected with the output shaft of reducer casing 30 through shaft coupling 29.
A conical socket is established in the center of the upper surface of lower plunger 9 in the tube; A conic convex is established in the center of described lower gasket 17, and the conic convex of lower gasket 17 cooperates with the conical socket of lower plunger 9 in the tube; A conical socket is established in the center of the lower surface of upper plug 7 in the described tube; A conic convex is established in the center of Upper gasket 19, and the conic convex of Upper gasket 19 cooperates with the conical socket of upper plug 7 in the tube.
Tube lower bottom base 10 is a disc-shape, and its lower surface center is provided with a minor axis, and the upper surface center has square locating slot, sees Fig. 8 and Fig. 9.
Last lower gasket 19,17 is the disk that a side has conic convex, sees Figure 10.
Respectively establish a through hole on four jiaos of upper plate 21, a step through-hole is established at its center, and the hole at its two ends is a bearing saddle bore, and a bearing saddle bore is established on the right on its one side again.
The thrust of hydraulic cylinder 14 acts on the ground sample 8 through upper plug 7, main shaft 4 in lower plunger 9 and lower gasket 17, the tube in lower roof plate 11, tube lower bottom base 10, the tube.
Principle of work of the present invention, narrate as follows:
Rotate when motor 1 drives reducer casing 30, drive pinion shaft 3 rotations, and drive gear wheel 2 rotations, thereby drive main shaft 4 rotations; Left side plate 20,6 inside surfaces of main shaft both sides are concordant with two relative sides of the square flange of test specimen tube 18 upper ends, rotate together thereby drive test specimen tube 18; The square flange of test specimen tube 18 lower ends is packed in the square locating slot of a lower bottom base 10, rotates together thereby drive a tube lower bottom base 10; When hydraulic cylinder 14 startups, the thrust that makes progress is on lower roof plate 11 and make it edge four upwards slips of root posts 16, and axial thrust passes to ground sample 8, and axial thrust is born by the self-aligning thrust roller bearing of installing on lower roof plate 11, the upper plate 21 up and down 5,15.Thereby realize axial loading and load maintainer rotation, so that realize online detection to ground sample 8 in the test specimen tube 18 to ground sample 8.
Claims (4)
1. rotatable ground testing machine, rotatable ground testing machine comprises: the hydraulic cylinder (14), hydraulic loading system (13), test specimen tube (18), the upper plate (21) that are installed in base (12) internal cavities center; The lower end of four root posts (16) is fixed in four legholes of (12) four jiaos of bases; Lower roof plate (11) is actively socketed on the bottom of four root posts (16); The top of four root posts (16) is fixedly sleeved in four legholes of (21) four jiaos of upper plates, and test specimen tube (18) is positioned between lower roof plate (11) and the upper plate (21);
In the tube of test specimen tube (18) bottom, place lower plunger (9), lower gasket (17), ground sample (8), Upper gasket (19) in the tube successively; Upper plug in the tube (7) is put into test specimen tube (18) from the hole of test specimen tube (18) upper end; Its lower surface contacts with Upper gasket (19); The periphery of upper plug (7) cooperates with the hole of test specimen tube (18) upper end in the tube, establishes rubber seal therebetween, establishes rubber seal between the inwall of the periphery of lower plunger (9) and test specimen tube (18) in the tube;
It is characterized in that:
The outer ring of following self-aligning thrust roller bearing (15) is installed in the bearing saddle bore of lower roof plate (11) center setting; The minor axis end of tube lower bottom base (10) is installed in down in the inner ring of self-aligning thrust roller bearing (15);
The square locating slot of center and the square flange clearance fit of test specimen tube (18) lower end above the tube lower bottom base (10);
Self-aligning ball bearing (22) and last self-aligning thrust roller bearing (5) are installed respectively on the upper surface of upper plate (21) and the lower surface; Main shaft (4) is a step axle, and a section of first step axle (d) cooperates with self-aligning ball bearing (22), and second step axle (c) cooperates with last self-aligning thrust roller bearing (5);
Symmetry is installed left plate (20) and right plate (6) on the 3rd step axle (b) lower surface, and the two cooperates with two relative side clearancies of square flange, test specimen tube (18) upper end;
Sleeve (25) is enclosed within on the first step axle (d) of main shaft (4), contacts with self-aligning ball bearing (22) inner ring;
The axle head of first step axle (d) is connected with gear wheel (2) through key, and sleeve (25) is pushed down in the lower surface of gear wheel (2);
Through screw spindle end baffle plate (23) is installed on the end face of first step axle (d);
In main shaft (4) and the tube in a upper plug (7), ground sample (8), the tube lower plunger (9) coaxial;
Lower ball bearing (26) is installed on the upper plate (21), in the bearing saddle bore on the right of self-aligning ball bearing (22) bearing saddle bore; One end of pinion shaft (3) cooperates with lower ball bearing (26);
On upper end cover (24), establish a stepped hole; Install ball bearing (27) on it; Through bolt upper end cover (24) is fixedly connected with upper plate (21), and the other end of pinion shaft (3) is cooperated with upper ball bearing (27), gear wheel (2) and pinion shaft (3) engagement;
The input shaft of the reducer casing that is coupling (30) of motor (1), reducer casing (30) are fixed on the electric machine support (28), and electric machine support (28) is fixed on the upper end cover (24); Pinion shaft (3) is connected with the output shaft of reducer casing (30) through shaft coupling (29).
2. a kind of rotatable ground testing machine according to claim 1 is characterized in that:
A conical socket is established in the center of the upper surface of lower plunger (9) in the described tube; A conic convex is established in the center of described lower gasket (17), and the conic convex of lower gasket (17) cooperates with the conical socket of lower plunger (9) in the tube; A conical socket is established in the center of the lower surface of upper plug (7) in the described tube; A conic convex is established in the center of described Upper gasket (19), and the conic convex of Upper gasket (19) cooperates with the conical socket of upper plug (7) in the tube.
3. a kind of rotatable ground testing machine according to claim 1 is characterized in that:
Described test specimen tube (18) is a stepped hole, and the flange of big small bore end is identical square, and the center radial section is an annulus;
Described left plate (20) and right plate (6) are a square, and establish three reinforcements.
4. a kind of rotatable ground testing machine according to claim 1 is characterized in that:
The one side of described tube lower bottom base (10) is a minor axis, and another side is a square groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110362177 CN102494951B (en) | 2011-11-15 | 2011-11-15 | Rotatable rock-soil testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110362177 CN102494951B (en) | 2011-11-15 | 2011-11-15 | Rotatable rock-soil testing machine |
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| CN102494951A true CN102494951A (en) | 2012-06-13 |
| CN102494951B CN102494951B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110362177 Expired - Fee Related CN102494951B (en) | 2011-11-15 | 2011-11-15 | Rotatable rock-soil testing machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928793A (en) * | 2016-04-20 | 2016-09-07 | 北京交通大学 | Rock mechanical testing machine arranged on rotary table |
| CN106546490A (en) * | 2016-10-25 | 2017-03-29 | 北京交通大学 | Rotatable rock mechanics experiment machine with internal heat |
| CN106761730A (en) * | 2016-12-20 | 2017-05-31 | 安徽理工大学 | A kind of fast demountable clamps component and its confined pressure experimental provision |
| CN106769518A (en) * | 2017-02-23 | 2017-05-31 | 湖北工业大学 | Uniaxial tests device with ultrasonic scanning function |
| CN106769435A (en) * | 2017-01-13 | 2017-05-31 | 辽宁工程技术大学 | A kind of use CT carefully sees the Thermal-mechanical Coupling loading tester of scanning to rock in real time |
| CN109374657A (en) * | 2018-11-28 | 2019-02-22 | 石家庄铁道大学 | Medical CT scan load soil sample device |
| CN109580364A (en) * | 2018-10-19 | 2019-04-05 | 中国科学院地质与地球物理研究所 | The rotatable rock mechanics experiment machine of heavy duty |
| CN113063665A (en) * | 2021-04-29 | 2021-07-02 | 四川大学 | Rock triaxial creep test device and system thereof |
| CN114942185A (en) * | 2022-04-13 | 2022-08-26 | 北京理工大学 | In-situ mechanical loading testing machine, testing system and testing method |
| CN115902167A (en) * | 2023-01-09 | 2023-04-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Soil body crack and strength evolution test device under dry-wet circulation and groundwater level coupling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924518Y (en) * | 2006-04-18 | 2007-07-18 | 长江水利委员会长江科学院 | Omnibearing scanning rock-soil CT three-shaft instrument |
| CN101135622A (en) * | 2007-10-10 | 2008-03-05 | 中国科学院武汉岩土力学研究所 | Rock double linkage three axis rheogeniometer |
| CN102221501A (en) * | 2011-04-22 | 2011-10-19 | 河海大学 | Device and method for measuring mechanical properties of rocks |
| CN102507336A (en) * | 2011-11-11 | 2012-06-20 | 北京交通大学 | Rotatable power and liquid supply ground triaxial testing machine |
-
2011
- 2011-11-15 CN CN 201110362177 patent/CN102494951B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924518Y (en) * | 2006-04-18 | 2007-07-18 | 长江水利委员会长江科学院 | Omnibearing scanning rock-soil CT three-shaft instrument |
| CN101135622A (en) * | 2007-10-10 | 2008-03-05 | 中国科学院武汉岩土力学研究所 | Rock double linkage three axis rheogeniometer |
| CN102221501A (en) * | 2011-04-22 | 2011-10-19 | 河海大学 | Device and method for measuring mechanical properties of rocks |
| CN102507336A (en) * | 2011-11-11 | 2012-06-20 | 北京交通大学 | Rotatable power and liquid supply ground triaxial testing machine |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928793B (en) * | 2016-04-20 | 2019-01-04 | 北京交通大学 | The rock mechanics experiment machine being placed on turntable |
| CN105928793A (en) * | 2016-04-20 | 2016-09-07 | 北京交通大学 | Rock mechanical testing machine arranged on rotary table |
| CN106546490A (en) * | 2016-10-25 | 2017-03-29 | 北京交通大学 | Rotatable rock mechanics experiment machine with internal heat |
| CN106546490B (en) * | 2016-10-25 | 2019-08-06 | 北京交通大学 | Rotatable rock mechanics experiment machine with internal heat |
| CN106761730A (en) * | 2016-12-20 | 2017-05-31 | 安徽理工大学 | A kind of fast demountable clamps component and its confined pressure experimental provision |
| CN106769435B (en) * | 2017-01-13 | 2023-11-28 | 辽宁工程技术大学 | Thermal coupling loading testing machine for real-time microscopic scanning of rock by CT |
| CN106769435A (en) * | 2017-01-13 | 2017-05-31 | 辽宁工程技术大学 | A kind of use CT carefully sees the Thermal-mechanical Coupling loading tester of scanning to rock in real time |
| CN106769518A (en) * | 2017-02-23 | 2017-05-31 | 湖北工业大学 | Uniaxial tests device with ultrasonic scanning function |
| CN109580364A (en) * | 2018-10-19 | 2019-04-05 | 中国科学院地质与地球物理研究所 | The rotatable rock mechanics experiment machine of heavy duty |
| CN109374657A (en) * | 2018-11-28 | 2019-02-22 | 石家庄铁道大学 | Medical CT scan load soil sample device |
| CN113063665A (en) * | 2021-04-29 | 2021-07-02 | 四川大学 | Rock triaxial creep test device and system thereof |
| CN114942185A (en) * | 2022-04-13 | 2022-08-26 | 北京理工大学 | In-situ mechanical loading testing machine, testing system and testing method |
| CN115902167A (en) * | 2023-01-09 | 2023-04-04 | 水利部交通运输部国家能源局南京水利科学研究院 | Soil body crack and strength evolution test device under dry-wet circulation and groundwater level coupling |
| CN115902167B (en) * | 2023-01-09 | 2023-08-08 | 水利部交通运输部国家能源局南京水利科学研究院 | Soil body crack and strength evolution test device under dry-wet cycle and groundwater level coupling |
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Granted publication date: 20130508 Termination date: 20151115 |