CN203949829U - Structural face shear strength size effect testing machine - Google Patents
Structural face shear strength size effect testing machine Download PDFInfo
- Publication number
- CN203949829U CN203949829U CN201420178700.5U CN201420178700U CN203949829U CN 203949829 U CN203949829 U CN 203949829U CN 201420178700 U CN201420178700 U CN 201420178700U CN 203949829 U CN203949829 U CN 203949829U
- Authority
- CN
- China
- Prior art keywords
- sample
- fixed
- framework
- testing machine
- size effect
- 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.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 230000005476 size effect Effects 0.000 title claims abstract description 20
- 238000010008 shearing Methods 0.000 claims description 27
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000007660 shear property test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A structural face shear strength size effect testing machine, comprises vertical loading mechanism, vertical movement mechanism, upper sample horizontal support mechanism, shears load maintainer, lower sample travel mechanism and framework; Described vertical loading mechanism is arranged in described vertical movement mechanism, and vertical movement mechanism is arranged on framework up or down; In order to being installed, the upper shear box of upper sample is fixed on vertical loading mechanism lower end, in order to being installed, the down cut box of lower sample is fixed in described lower sample travel mechanism, lower sample travel mechanism is arranged on the workbench of framework, described upper shear box two ends are arranged in sample horizontal support mechanism, described down cut box two ends are arranged on shears on load maintainer, described upper sample horizontal support mechanism, shears the both sides that load maintainer is arranged on respectively framework.The utility model provides a kind of good structural face shear strength size effect testing machine of test, reliability that effectively meets large span load and specimen size.
Description
Technical field
The utility model relates to a kind of structural face shear strength size effect testing machine.
Background technology
Definite method of rock mass structural plane shearing strength mainly contains direct shear test method, indoor model test method and empirical estimation etc. both at home and abroad at present.By direct shear test, incorporation engineering geological exploration Information integration is asked for the method for structural face shear strength and is commonly used by domestic rock mass mechanics worker.Retrieval from data, direct shear apparatus equipment both domestic and external is a lot: as the large-scale high-performance surface of contact of the LG-140 direct shear apparatus of U.S. Durham Geo company production, the large-scale direct shear apparatus that Britain ELE company produces, the servocontrol staight scissors test macro that U.S. GCTS company produces, the large-scale soil of TH-20t and the structure interface circular loading shear apparatus of Tsing-Hua University's development, the indoor DHJ60 type stacked ring type shear testing maschine of geotechnique research institute of the Changjiang river research institute, the coarse soil direct shear instrument of water power institute of Sichuan University development, the NHRI-4000 type high-performance large contact surface direct shear apparatus of Nanjing soil Instrument Ltd..These direct shear apparatuses are not all considered multiple dimensioned sample problem, cannot meet the test of large span load and specimen size.The patent No. is that the multiple dimensioned converting system of the large-sized rock mass joint straight shear test instrument of CN200910155107.2 cannot be eliminated the impact of transverse load on normal direction hydraulic cylinder, it is larger that human factor affects shearing friction power value, cannot realize the shortcomings such as sample displacement is sheared with reciprocal, and overall device operation robotization is low.Solve existing direct shear test instrument and can only measure the shortcoming of the rock mass structural plane shearing strength of A single sample, but be subject to the restriction of equipment, mini-series sample is tested in mini-plant, and medium-sized Series of Samples is tested in medium size installations, and large series sample is tested in main equipment.The consequence causing is that the test result of each equipment cannot effectively be connected.Main cause is that the manufacturing accuracy of equipment differs, and even load mode differs, and this must have influence on the reliability of result.
Summary of the invention
In order to overcome the poor deficiency of the test that cannot meet large span load and specimen size, reliability of existing direct shear apparatus, the utility model provides a kind of good structural face shear strength size effect testing machine of test, reliability that effectively meets large span load and specimen size.
The utility model solves the technical scheme that its technical matters adopts:
A structural face shear strength size effect testing machine, comprises vertical loading mechanism, vertical movement mechanism, upper sample horizontal support mechanism, shears load maintainer, lower sample travel mechanism and framework; Described vertical loading mechanism is arranged in described vertical movement mechanism, and vertical movement mechanism is arranged on framework up or down; In order to being installed, the upper shear box of upper sample is fixed on vertical loading mechanism lower end, in order to being installed, the down cut box of lower sample is fixed in described lower sample travel mechanism, lower sample travel mechanism is arranged on the workbench of framework, described upper shear box two ends are arranged in sample horizontal support mechanism, described down cut box two ends are arranged on shears on load maintainer, described upper sample horizontal support mechanism, shears the both sides that load maintainer is arranged on respectively framework.
Described vertical load system comprises guide pole, guide bearing chock, Connection Block, the first power sensor, the first actuator and loading plate, described the first actuator is fixed on the centre position of vertical movement mechanism, and the piston rod of the first actuator is connected by Connection Block with the first power sensor and at in-plane, has less rotational freedom each other.The first power sensor and loading plate are fixed, and guide pole is respectively installed at loading plate two ends, and guide pole can move up and down along the guide bearing chock that is fixed on vertical movement mechanism.
Described vertical movement mechanism comprises the first lifting hydraulic cylinder, fixed pin and movable stand.The first lifting hydraulic cylinder is arranged on the two ends of framework upper beam, and the top at movable stand two ends and the first lifting hydraulic cylinder piston rod are fixed.The side at movable stand two ends arranges gathering sill and can move up and down along the guide rail that is arranged on framework left column and framework right column.The side at movable stand two ends arranges pin-and-hole, can with certain pin-and-hole centering of framework left column and the framework right column of vertical direction, and can mount pin.
Described shearing load maintainer comprises back-up block, the second power sensor, the first Mobile base, the second actuator, the second lifting hydraulic cylinder.Back-up block and the second power sensor are fixed, the cylinder body of the first Mobile base and the second actuator is fixed, the second lifting hydraulic cylinder and the first Mobile base are fixing and can drive it to move up and down, and the first Mobile base both sides arrange gathering sill and coordinate with the right column upper rail of framework and install and move up and down along it.The piston rod of the second power sensor other end and the second actuator is fixed.
Described upper sample horizontal support mechanism comprises that shoring, the second Mobile base, roller block and the 3rd lifting hydraulic cylinder form, and the cylinder body of shoring and the second Mobile base are fixed, and piston rod and the Mobile base of the 3rd lifting hydraulic cylinder are fixed.Roller block can be installed roller or ball, and it and shoring piston rod are fixed.
Described lower sample travel mechanism comprises that guide rail, lower sample erecting bed and limiting plate form.Many (2 to 10) guide rail parallels are arranged on the worktable of framework, lower sample erecting bed is connected with the movable block of guide rail and can makes it along guide rail, move, and the lower sample shear box of lower sample is installed and can is located and be fixed by forms such as bolts by the groove of lower sample erecting bed.Right support plate can be connected with lower sample shear box upper right side, the back-up block of shearing load maintainer passes to lower sample shear box by right support plate 34 by power, and the configurable different length of sample of different size and the lower sample shear box of width and right support plate are to reduce the stroke of shearing actuator in load maintainer.Limiting plate is fixed on and on the worktable of framework, makes the initial position of lower sample erecting bed be positioned at the center of vertical structure and the location after convenient reset.
On described lower sample erecting bed and loading plate, be provided with threaded hole and groove.According to the requirement of yardstick sample, carry out groove location, and per sample (p.s.) is provided with threaded hole while laying for fixing lower sample shear box or upper sample shear box.
Described shear box comprises sample shear box, lower sample shear box, right support plate and left support plate.On upper sample, lay sample shear box, left support plate is installed in upper sample shear box left side, and left support plate also can relative rolling movement with roller block contact.Upper sample shear box can be located and be fixed by forms such as bolts by the groove of loading plate.
Described framework comprises upper beam, right column, left column and worktable.Left column, right column bottom are positioned at the two ends of worktable, and left column, right column top are positioned at the two ends of upper beam.Left column, right column arrange guide rail and row's pin-and-hole in the vertical direction.Right column, left column arrange groove, for determining the above bearing height of sample horizontal support mechanism and the shear height of shearing load maintainer.
Technical conceive of the present utility model: conventional rock mass discontinuity direct shear apparatus is because the structural plane size of testing is limited and cannot carry out multiple dimensioned joint straight shear test, therefore can not analyze the Changing Pattern of rock mass structural plane shearing strength size effect, also just can not obtain stable shearing strength mechanics parameter, based on this, proposed a kind of multiple dimensioned rock direct shear apparatus, it can measure load and on a large scale size sample on a large scale.The load that vertical loading mechanism and shearing load maintainer meet in certain accuracy requirement loads, vertical loading mechanism by vertical movement mechanism can be up and down the vertical impulse stroke of mobile and self-locking minimizing actuator, when the guide pole in vertical loading mechanism can prevent from loading upper sample in the horizontal direction with the rotation of vertical direction, offset the impact of shearing force on the actuator life-span.The installation of left support plate and right support plate can reduce the impulse stroke of actuator and the weight of loading head of shearing load maintainer, thereby improves its life-span and precision.The height of horizontal support mechanism and shearing load maintainer is adjustable, can make shearing force and anchorage force on same height, thereby prevent the impact on framework of the moment of flexure that shear to produce, when lower sample resets, shear in addition load maintainer and can be used as anchorage force and prop up sample shear box, horizontal support mechanism turns back to initial position by lower sample shear box and realizes in test.Lower sample travel mechanism can realize the displacement of lower sample and reduce friction force by many guide rails.
The beneficial effect the utlity model has: the test, the reliability that 1, effectively meet large span load and specimen size are good; 2, the shearing mechanism of this multiple dimensioned direct shear apparatus more Pass Test require and effectively life-span and the precision of protection actuator and sensor when the large small sample of test; 3. a multiple dimensioned direct shear apparatus has strong adaptability, diverse in function, automaticity high, the situation that applicable specimen size is larger.
Accompanying drawing explanation
Fig. 1 is the front view of structural face shear strength size effect testing machine.
Fig. 2 is the left view of structural face shear strength size effect testing machine.
Tu3Wei vertical loading mechanism and vertical movement mechanism front view.
Fig. 4 is for shearing load maintainer front view.
Fig. 5 is upper sample horizontal support mechanism front view.
Tu6Wei Xia sample travel mechanism vertical view.
Fig. 7 is the upward view of lower sample erecting bed vertical view and loading plate.
Fig. 8 is upper sample shear box upward view.
Fig. 9 is framework front view.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
With reference to Fig. 1～Fig. 9, a kind of structural face shear strength size effect testing machine, comprises vertical loading mechanism 1, vertical movement mechanism 2, shear box 3, upper sample horizontal support mechanism 5, shears load maintainer 6, lower sample travel mechanism 7 and framework 8; Described vertical loading mechanism 1 is arranged in described vertical movement mechanism 2, and vertical movement mechanism 2 can move up and down and fixed position along framework 8.Upper sample and lower sample are arranged on respectively in shear box 8 and down cut box 8, and upper shear box 8 can be fixed on vertical loading mechanism 1 lower end and be located at middle position.Down cut box 8 can be fixed in described lower sample travel mechanism 7, and makes upper and lower shear box center line consistent.Lower sample travel mechanism 7 is arranged on the workbench of framework 8.Described shearing load maintainer 6 and upper sample horizontal support mechanism 5 are installed respectively in upper and lower shear box two ends.Shear load maintainer 6 and upper sample horizontal support mechanism 5 can regulate height according to specimen size.The utility model provides a kind of good multiple dimensioned rock direct shear apparatus of test, reliability that effectively meets large span load and specimen size.
Described vertical load system 1 comprises guide pole 13, guide bearing chock 14, Connection Block 15, the first power sensor 16, the first actuator 17 and loading plate 18, described the first actuator 17 is fixed on the centre position of vertical movement mechanism 2, and the piston rod of the first actuator 17 is connected by Connection Block 15 with the first power sensor 16 and at in-plane, has less rotational freedom each other.The first power sensor 16 is fixing with loading plate 18, and guide pole 13 is respectively installed at loading plate 18 two ends, and guide pole 13 can move up and down along the guide bearing chock 14 that is fixed on vertical movement mechanism 2.
Described vertical movement mechanism 2 comprises the first lifting hydraulic cylinder 10, fixed pin 11 and movable stand 12.The first lifting hydraulic cylinder 10 is arranged on the two ends of framework upper beam 40, and the top at movable stand 12 two ends and the first lifting hydraulic cylinder 10 piston rods are fixed.The side at movable stand 12 two ends arranges gathering sill and can move up and down along the guide rail that is arranged on framework left column 41 and framework right column 42.The side at movable stand 12 two ends arranges pin-and-hole, can with certain pin-and-hole centering of framework left column 41 and the framework right column 42 of vertical direction, and can mount pin 11.
Described shearing load maintainer 6 comprises back-up block 20, the second power sensor 21, the first Mobile base 22, the second actuator 23, the second lifting hydraulic cylinder 24.Back-up block 20 and the second power sensor 21 are fixing, the first Mobile base 22 and the second actuator 23 cylinder bodies are fixed, the second lifting hydraulic cylinder 24 and the first Mobile base 22 are fixing and can drive it to move up and down, and the first Mobile base 22 both sides arrange gathering sill and coordinate with right column 41 upper rails of framework 8 and install and move up and down along it.The piston rod of second power sensor 21 other ends and the second actuator 23 is fixed.
Described upper sample horizontal support mechanism 5 comprises that shoring 25, the second Mobile base 26, roller block 27 and the 3rd lifting hydraulic cylinder 28 form, and the cylinder body of shoring 25 is fixing with the second Mobile base 26, and the piston rod of the 3rd lifting hydraulic cylinder 28 and Mobile base 26 are fixed.Roller block 27 can be installed roller or ball, and it and shoring 25 piston rods are fixed.
Described lower sample travel mechanism 7 comprises that guide rail 30, lower sample erecting bed 31 and limiting plate 35 form.Many (2 to 10) guide rails 30 are installed in parallel on the worktable 43 of framework 8, lower sample erecting bed 31 is connected with the movable block of guide rail 30 and can makes it along guide rail, move, and the lower sample shear box 32 of lower sample 33 is installed and can is located and be fixed by forms such as bolts by the groove of lower sample erecting bed 31.Right support plate 34 can be connected with lower sample shear box 34 upper right sides, the back-up block 20 of shearing load maintainer 6 passes to lower sample shear box 32 by right support plate 34 by power, and the configurable different length of sample of different size and the lower sample shear box 32 of width and right support plate 34 are to reduce the stroke of shearing actuator 23 in load maintainer 6.Limiting plate 35 is fixed on and on the worktable 43 of framework 8, makes the initial position of lower sample erecting bed 31 be positioned at the center of vertical structure and the location after convenient reset.
On described lower sample erecting bed 31 and loading plate 18, be provided with threaded hole 36 and groove 37.According to the requirement of yardstick sample, carry out groove location, and per sample (p.s.) is provided with threaded hole while laying for fixing lower sample shear box 32 or upper sample shear box 51.
Described shear box 3 comprises sample shear box 51, lower sample shear box 32, right support plate 34 and left support plate 50.On upper sample 52, lay sample shear box 51, left support plate 50 is installed in upper sample shear box 51 left sides, and left support plate 50 also can relative rolling movement with roller block 27 contacts.Upper sample shear box 51 can be located and be fixed by forms such as bolts by the groove of loading plate 18.
Described framework 8 comprises upper beam 40, right column 41, left column 42 and worktable 43.Left column 41, right column 42 bottoms are positioned at the two ends of worktable 43, and left column 41, right column 42 tops are positioned at the two ends of upper beam 40.Left column 41, right column 42 arrange guide rail and row's pin-and-hole in the vertical direction.Right column 41, left column 42 arrange groove 38, for determining the above bearing height of sample horizontal support mechanism 5 and the shear height of shearing load maintainer 6.
The course of work of the present embodiment is as follows: sample 33 and upper sample 52 are placed in respectively after lower sample shear box 32 and upper sample shear box 51 the insides the overlapping installation of mechanism face instantly, by extraneous dolly or other propulsion system, they are transported on the lower sample erecting bed 31 of lower sample travel mechanism 7, after adjusting its position according to specimen size size, lower sample shear box 32 is fixed on lower sample erecting bed 31, lower sample erecting bed 31 abuts against on limiting plate 35 to guarantee in middle position.Actuator 17 work in vertical load system 1 are pre-stressed to loading plate 18 on upper sample shear box 51 and by it and are fixed on loading plate 18, and right support plate 34 and left support plate 52 are installed respectively on two shear boxs.The shear height of the bearing height of sample horizontal support mechanism 5 and shearing load maintainer 6 in adjustment, make the center line of shoring 25 in horizontal support mechanism 5 and the loading center line height of actuator 23 consistent, simultaneously on their average height faces by mechanism face between upper and lower sample.Vertical load system 1 imposed load pressurize are in a certain setting value, the shoring 25 of upper sample horizontal support mechanism 5 is supported on left support plate 52 and by solenoid valve and pins its horizontal level, shearing load maintainer 6 loads according to certain way, finally make lower sample shear box 32 and upper sample shear box 51 produce the certain distance that relatively moves, be completed.The shoring 25 of vertical load system 1 unloading, upper sample horizontal support mechanism 5 and the actuator 23 of shearing load maintainer 6 are retracted.Right support plate 34 is installed to the left side of lower sample shear box 32, and left support plate 50 is installed to the right of sample shear box 51.The height of the actuator 23 of the shoring 25 of sample horizontal support mechanism 5 and shearing load maintainer 6 in adjustment, make to shear the back-up block 20 carries left back up pads 52 of load maintainer 6, the shoring 25 of going up sample horizontal support mechanism 5 can promote lower sample shear box 32 and turn back to limiting plate 35 simultaneously, now completes the reset of sample and can test for the second time.Can lower sample shear box 32 and 51 releasings of upper sample shear box is fixing after sample testing, and have external force by its push out test machine.
Claims (9)
1. a structural face shear strength size effect testing machine, is characterized in that: comprise vertical loading mechanism, vertical movement mechanism, upper sample horizontal support mechanism, shear load maintainer, lower sample travel mechanism and framework; Described vertical loading mechanism is arranged in described vertical movement mechanism, and vertical movement mechanism is arranged on framework up or down; In order to being installed, the upper shear box of upper sample is fixed on vertical loading mechanism lower end, in order to being installed, the down cut box of lower sample is fixed in described lower sample travel mechanism, lower sample travel mechanism is arranged on the workbench of framework, described upper shear box two ends are arranged in sample horizontal support mechanism, described down cut box two ends are arranged on shears on load maintainer, described upper sample horizontal support mechanism, shears the both sides that load maintainer is arranged on respectively framework.
2. structural face shear strength size effect testing machine as claimed in claim 1, it is characterized in that: described vertical loading mechanism comprises guide pole, guide bearing chock, Connection Block, the first power sensor, the first actuator and loading plate, described actuator is fixed on the centre position of vertical movement mechanism, the piston rod of actuator is connected by Connection Block with the first power sensor, the first power sensor and loading plate are fixed, guide pole is respectively installed at loading plate two ends, and guide pole can move up and down along the guide bearing chock that is fixed on vertical movement mechanism.
3. structural face shear strength size effect testing machine as claimed in claim 1 or 2, it is characterized in that: described vertical movement mechanism comprises the first lifting hydraulic cylinder, fixed pin and movable stand, the first lifting hydraulic cylinder is arranged on the two ends of framework upper beam, the top at movable stand two ends and the first lifting hydraulic cylinder piston rod are fixed, and the side at movable stand two ends arranges gathering sill and can move up and down along the guide rail that is arranged on framework left column and framework right column.
4. structural face shear strength size effect testing machine as claimed in claim 1 or 2, it is characterized in that: described shearing load maintainer comprises back-up block, the second power sensor, the first Mobile base, the second actuator, the second lifting hydraulic cylinder, back-up block and the second power sensor are fixed, the cylinder body of the first Mobile base and the second actuator is fixed, the second lifting hydraulic cylinder and Mobile base are fixed, the first Mobile base both sides arrange gathering sill and coordinate with the right column upper rail of framework and install and move up and down along it, and the piston rod of the second power sensor other end and actuator is fixed.
5. structural face shear strength size effect testing machine as claimed in claim 1 or 2, it is characterized in that: described upper sample horizontal support mechanism comprises that shoring, the second Mobile base, roller block and the 3rd lifting hydraulic cylinder form, the cylinder body of shoring and the second Mobile base are fixed, piston rod and the Mobile base of the 3rd lifting hydraulic cylinder are fixed, roller or ball are installed on roller block, and described roller block and shoring piston rod are fixed.
6. structural face shear strength size effect testing machine as claimed in claim 5, it is characterized in that: described lower sample travel mechanism comprises guide rail, lower sample erecting bed and limiting plate, described guide rail parallel is arranged on the worktable of framework, lower sample erecting bed is connected with the movable block slidingtype of guide rail, right support plate is connected with lower sample shear box upper right side, the back-up block of shearing load maintainer is connected with right support plate, and limiting plate is fixed on the worktable of framework.
7. structural face shear strength size effect testing machine as claimed in claim 6, is characterized in that: on described lower sample erecting bed and loading plate, be provided with threaded hole and groove.
8. structural face shear strength size effect testing machine as claimed in claim 1 or 2, is characterized in that: left support plate is installed in described upper sample shear box left side, and left support plate and roller block contact also can relative rolling movements, and loading plate is provided with groove.
9. structural face shear strength size effect testing machine as claimed in claim 1 or 2, it is characterized in that: described framework comprises upper beam, right column, left column and worktable, left column, right column bottom are positioned at the two ends of worktable, left column, right column top are positioned at the two ends of upper beam, left column, right column arrange guide rail and row's pin-and-hole in the vertical direction, and right column, left column are provided for the bearing height of definite above sample horizontal support mechanism and shear the groove of the shear height of load maintainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178700.5U CN203949829U (en) | 2014-04-14 | 2014-04-14 | Structural face shear strength size effect testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178700.5U CN203949829U (en) | 2014-04-14 | 2014-04-14 | Structural face shear strength size effect testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203949829U true CN203949829U (en) | 2014-11-19 |
Family
ID=51891859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178700.5U Expired - Lifetime CN203949829U (en) | 2014-04-14 | 2014-04-14 | Structural face shear strength size effect testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203949829U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062189A (en) * | 2014-04-14 | 2014-09-24 | 绍兴文理学院 | Shear strength size effect testing machine for structural surface |
| CN104833591A (en) * | 2015-05-16 | 2015-08-12 | 山西省交通科学研究院 | Large direct shear apparatus capable of achieving isotropic movement in three-dimensional space and test method thereof |
| CN106404559A (en) * | 2016-11-07 | 2017-02-15 | 绍兴文理学院 | Multi-scale sample mounting and positioning mechanism |
| CN109855985A (en) * | 2018-12-19 | 2019-06-07 | 重庆交通大学 | Multiphase soil stone medium clipper destroys resistivity responding characteristics experimental rig and method |
| CN110220795A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure testing machine |
| CN112414870A (en) * | 2020-11-11 | 2021-02-26 | 中国科学院地质与地球物理研究所 | Rock mass shear test system for high-energy accelerator CT scanning |
| CN110220795B (en) * | 2019-06-17 | 2024-05-03 | 河南交通职业技术学院 | Pressure testing machine |
-
2014
- 2014-04-14 CN CN201420178700.5U patent/CN203949829U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062189A (en) * | 2014-04-14 | 2014-09-24 | 绍兴文理学院 | Shear strength size effect testing machine for structural surface |
| CN104062189B (en) * | 2014-04-14 | 2016-05-25 | 绍兴文理学院 | Structural face shear strength dimensional effect testing machine |
| CN104833591A (en) * | 2015-05-16 | 2015-08-12 | 山西省交通科学研究院 | Large direct shear apparatus capable of achieving isotropic movement in three-dimensional space and test method thereof |
| CN104833591B (en) * | 2015-05-16 | 2017-09-19 | 山西省交通科学研究院 | A kind of mobile large direct shear apparatus of achievable three dimensions and its test method |
| CN106404559A (en) * | 2016-11-07 | 2017-02-15 | 绍兴文理学院 | Multi-scale sample mounting and positioning mechanism |
| CN106404559B (en) * | 2016-11-07 | 2023-11-21 | 绍兴文理学院 | Multi-scale sample installation positioning mechanism |
| CN109855985A (en) * | 2018-12-19 | 2019-06-07 | 重庆交通大学 | Multiphase soil stone medium clipper destroys resistivity responding characteristics experimental rig and method |
| CN110220795A (en) * | 2019-06-17 | 2019-09-10 | 河南交通职业技术学院 | A kind of pressure testing machine |
| CN110220795B (en) * | 2019-06-17 | 2024-05-03 | 河南交通职业技术学院 | Pressure testing machine |
| CN112414870A (en) * | 2020-11-11 | 2021-02-26 | 中国科学院地质与地球物理研究所 | Rock mass shear test system for high-energy accelerator CT scanning |
| US11215543B1 (en) | 2020-11-11 | 2022-01-04 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Rock mass shear test system for high-energy accelerator computed tomography (CT) scanning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104062189A (en) | Shear strength size effect testing machine for structural surface | |
| CN103335895B (en) | Multi-scale rock direct shear apparatus | |
| CN203949829U (en) | Structural face shear strength size effect testing machine | |
| US10197483B2 (en) | Tester assembled by multiple sets of mechanisms for shear strength-scale effect of rock joint | |
| CN204027946U (en) | A kind of drop hammer type multi-angle impact tester | |
| CN203376215U (en) | Rock direct shear apparatus applicable to large-span loads and multi-scale samples | |
| CN206020193U (en) | A kind of disconnected strength test assay device of shear of rock for meeting different size specification | |
| CN210766774U (en) | Positioning device for steel reinforcement cage and lattice column | |
| CN106198258B (en) | Rock shear strength size effect testing machine | |
| CN107151980A (en) | Large-span Steel Box Beam liftable self-propelled successively incremeantal launching method system and its construction method | |
| CN205246459U (en) | Electricity liquid servo control civil engineering array loading structural test system | |
| CN203275108U (en) | A bridge model static force loading device | |
| CN202599766U (en) | Multifunctional test machine for anchorage performance of deep surrounding rock | |
| CN113310716B (en) | True three-dimensional physical simulation system and test method for influence of fault dislocation on tunnel operation | |
| CN105714861A (en) | Vertical loading method for simulating pile sinking process of static pressure pile | |
| CN207946098U (en) | A kind of construction management detection ruler | |
| CN206971012U (en) | A kind of positioning tool for the installation of the type telescopic joints of medium-and low-speed maglev track J III | |
| CN113567254A (en) | Structural plane-containing rock shear creep-impact testing machine under constant normal stiffness condition and testing method thereof | |
| CN102114498A (en) | Straightness detection device of semi-automatic T-type guide rail warping straightener | |
| CN207998052U (en) | Efficient furniture packaging manual measurement station | |
| CN113291489B (en) | Loading device and method suitable for large-deformation undercarriage structure static test | |
| CN216246161U (en) | Device for measuring test piece shear surface undulation degree before in-situ direct shear test | |
| CN113466060A (en) | Rheological relaxation coupling test system and test method based on multilayer shearing | |
| CN203337377U (en) | Roof reinforcement ring assembly screw detection device | |
| CN106228897B (en) | The prefabricated recycling replacing simulation system of face and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |