CN204705554U - rock stress relaxation test device - Google Patents
rock stress relaxation test device Download PDFInfo
- Publication number
- CN204705554U CN204705554U CN201520467714.3U CN201520467714U CN204705554U CN 204705554 U CN204705554 U CN 204705554U CN 201520467714 U CN201520467714 U CN 201520467714U CN 204705554 U CN204705554 U CN 204705554U
- Authority
- CN
- China
- Prior art keywords
- sample
- stress relaxation
- host computer
- bearing frame
- rock
- 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 - Fee Related
Links
Abstract
Rock stress relaxation test device, belongs to the testing inspection monitoring technical field of mining industry and Geotechnical Engineering.It is characterized in that: described supercharging device is arranged on bearing frame (1) top, sample (4) is arranged on the below of the upper supercharging device of bearing frame (1), supercharging device is connected with host computer by wireless pressure transmitter, and pressure signal is uploaded to host computer in real time; Also be provided with the ultrasonic monitor device and camera head that are connected with host computer, Real-Time Monitoring is carried out to sample (4); Ultrasonic monitor device comprises the monitoring ultrasonic probe (5) and the nonmetal ultrasonic detector that are arranged on described sample (4), is provided with couplant between monitoring ultrasonic probe (5) and sample (4).Rock stress relaxation test device of the present utility model can keep for a long time strain constant, rock relaxed state can be realized under reload test.
Description
Technical field
Rock stress relaxation test device, belongs to the testing inspection monitoring technical field of mining industry and Geotechnical Engineering.
Background technology
There is the danger such as country rock wall caving, roof collapse, gushing water and rock burst dynamic disaster in mine down-hole, it constitutes direct threat to staff and equipment, and affects project progress, and supporting can also be caused to lose efficacy, even earthquake.Along with the continuous increase of mining depth, surrounding rock failure frequency and strength increases high, engineering project disaster is day by day serious, and safety problem is urgently to be resolved hurrily.
Rock rheological characteristics is an important branch of rock mechanics, and wherein, creep and stress relaxation are 2 importances of its research, is also two kinds of observed parameters the most frequently used in Mineral rheology test simultaneously.In engineering, the creep of rock and stress relaxation characteristics are directly associated with the long-term strength of rock and the long-term stability of rock mass engineering project.Creep and stress relaxation are not often individualisms, two kinds of rheology rule joint effects the mechanical characteristic of rock, be mutually contact between the two, the development of creep facilitates the lax of stress, in stress relaxation process, the decline of stress reduces the stress condition of creep development, from the angle of creep the research of Mineral rheology achieved and compared great successes, Comparatively speaking, stress relaxation test requires that instrument has the performance keeping strain constant for a long time, experimental technique difficulty is larger, the research that current this respect is carried out is also few, the achievement in research delivered is relatively less, the pilot system of rock stress relaxation test is not specifically designed to yet.Along with mining engineering is to the propelling in deep, make rock stress close to or be in the breakdown strength of rock (rock mass), the relaxation property disturbance to external world of country rock becomes very sensitive, and the relaxation property problem of country rock is abnormal outstanding.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of structure simple, can keep for a long time straining constant, rock relaxed state can be realized under reload test and rock stress relaxation test device to sample Real-Time Monitoring.
The utility model solves the technical scheme that its technical matters adopts: this rock stress relaxation test device, comprise the supercharging device on bearing frame and bearing frame, it is characterized in that: described supercharging device is arranged on bearing frame top, sample is arranged on the below of supercharging device on bearing frame, supercharging device is connected with host computer by wireless pressure transmitter, and pressure signal is uploaded to host computer in real time; Also be provided with the ultrasonic monitor device and camera head that are connected with host computer, Real-Time Monitoring is carried out to sample.
Preferably, described bearing frame comprises top loading plate, bottom loading plates and the column between top loading plate and bottom loading plates, and described supercharging device is arranged in the middle part of the loading plate of top, and described sample is arranged in the middle part of bottom loading plates.
Preferably, described supercharging device comprises hydraulic jack and hydraulic hand-pump, and hydraulic hand-pump is connected with hydraulic jack by pipeline.
Preferably, described ultrasonic monitor device comprises the monitoring ultrasonic be arranged on described sample and pops one's head in and nonmetal ultrasonic detector.
Compared with prior art, the beneficial effect that rock stress relaxation test device of the present utility model has is:
1, this rock stress relaxation test device is loaded sample by the supercharging device be arranged on bearing frame, structure is simple, light, be convenient to carrying, move, and strain can be kept for a long time constant, convenient research sample being carried out to stress relaxation, also can realize reloading test under rock relaxed state; Supercharging device is communicated with host computer by wireless pressure transmitter, host computer and supercharging device the are broken away from restriction of distance; In addition, this rock stress relaxation test device is also provided with ultrasonic monitor device and camera head, can realize the short range of rock stress, long-range and omnidistance Real-Time Monitoring, and Monitoring Data is uploaded to host computer analysis.
2, supercharging device is loaded sample by hydraulic jack, can load very large-tonnage, and the stroke of hydraulic jack cylinder is large, can apply very large displacement load; Hydraulic jack is hydraulic pump control manually, controls simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of rock stress relaxation test device.
Fig. 2 is the schematic front view of rock stress relaxation test device.
Fig. 3 is the connection layout of rock stress relaxation test device.
In figure: 1, bearing frame 101, top loading plate 102, bottom loading plates 103, column 2, hydraulic jack 3, load plate 4, sample 5, monitoring ultrasonic probe.
Embodiment
Fig. 1 ~ 3 are most preferred embodiments of the present utility model, are described further below in conjunction with accompanying drawing 1 ~ 3 pair of the utility model.
A kind of rock stress relaxation test device, comprise the supercharging device on bearing frame 1 and bearing frame 1, supercharging device is arranged on bearing frame 1 top, sample 4 is arranged on the below of supercharging device on bearing frame 1, supercharging device is connected with host computer by wireless pressure transmitter, and pressure signal is uploaded to host computer in real time; Also be provided with the ultrasonic monitor device and camera head that are connected with host computer, Real-Time Monitoring is carried out to sample 4.By the supercharging device be arranged on bearing frame 1, sample 4 is loaded, structure is simple, light, is convenient to carrying, moves, and strain can be kept for a long time constant, convenient research sample 4 being carried out to stress relaxation, also can realize reloading test under rock relaxed state; In addition, this rock stress relaxation test device is also provided with ultrasonic monitor device and camera head, can realize the short range of rock stress, remote testing and monitoring, to the omnidistance Real-Time Monitoring of test, and Monitoring Data can also be uploaded to host computer analysis.
Concrete: as shown in Fig. 1 ~ 3: this rock stress relaxation test device comprises the supercharging device on bearing frame 1 and bearing frame 1, and supercharging device is arranged on bearing frame 1 top, applies displacement load to sample 4.
Bearing frame 1 comprises top loading plate 101, bottom loading plates 102 and the column between top loading plate 101 and bottom loading plates 102 103.The square plate that top loading plate 101 is identical with sized by bottom loading plates 102.Column 103 has four, and arrange near four angles of top loading plate 101 and bottom loading plates 102 respectively, the two ends of column 103 are fixedly connected with bottom loading plates 102 with top loading plate 101 respectively.Supercharging device is arranged in the middle part of top loading plate 101.
Supercharging device is connected with host computer by wireless pressure transmitter, and pressure signal is uploaded to host computer, carries out Real-Time Monitoring to the load of sample 4.Host computer is computing machine.
This rock stress relaxation test device is also provided with the ultrasonic monitor device and camera head that are connected with host computer, can realize sample 4 short range, long-range, omnidistance Real-Time Monitoring, to the omnidistance Real-Time Monitoring of test, the ultrasound waves deformation of stress relaxation whole process and the modified-image of omnidistance sample 4 under constant deformation condition can also be obtained.
Supercharging device comprises hydraulic jack 2 and hydraulic hand-pump.Hydraulic jack 2 is connected with hydraulic hand-pump by external pipeline, and manually hydraulic pump provides hydraulic oil to hydraulic jack 2, makes hydraulic jack 2 can apply displacement load step by step to sample 4.
The base of hydraulic jack 2 is fixed in the middle part of top loading plate 101, and hydraulic jack 2 is inverted and is arranged.
Hydraulic hand-pump installs wireless pressure transmitter, host computer is provided with receiver, the pressure of hydraulic hand-pump is uploaded to host computer in real time, and carries out the display of pressure data, record and statistical study by the software in host computer, realize the time dependent long term monitoring of rock stress.
Ultrasonic monitor device comprises nonmetal ultrasonic detector and monitoring ultrasonic probe 5.Monitoring ultrasonic probe 5 is arranged on the left and right sides of sample 4 by clip.Signal input port and the monitoring ultrasonic of nonmetal ultrasonic detector are popped one's head in and 5 to be connected, the signal output port of nonmetal ultrasonic detector is connected with host computer, nonmetal ultrasonic detector carries out monitoring ultrasonic by monitoring ultrasonic 5 pairs of samples 4 of popping one's head in, obtain ultrasound waves graphic data, and be uploaded to host computer.
Camera head comprises video camera, and video camera is arranged on front side or the rear side of sample 4, and the record test modified-image of omnidistance sample 4 image uploading are to host computer.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (4)
1. rock stress relaxation test device, comprise the supercharging device on bearing frame (1) and bearing frame (1), it is characterized in that: described supercharging device is arranged on bearing frame (1) top, sample (4) is arranged on the below of the upper supercharging device of bearing frame (1), supercharging device is connected with host computer by wireless pressure transmitter, and pressure signal is uploaded to host computer in real time; Also be provided with the ultrasonic monitor device and camera head that are connected with host computer, Real-Time Monitoring is carried out to sample (4).
2. rock stress relaxation test device according to claim 1, it is characterized in that: described bearing frame (1) comprises top loading plate (101), bottom loading plates (102) and the column (103) between top loading plate (101) and bottom loading plates (102), described supercharging device is arranged on top loading plate (101) middle part, and described sample (4) is arranged on bottom loading plates (102) middle part.
3. rock stress relaxation test device according to claim 1, it is characterized in that: described supercharging device comprises hydraulic jack (2) and hydraulic hand-pump, hydraulic hand-pump is connected with hydraulic jack (2) by pipeline.
4. rock stress relaxation test device according to claim 1, is characterized in that: described ultrasonic monitor device comprises the monitoring ultrasonic probe (5) and the nonmetal ultrasonic detector that are arranged on described sample (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467714.3U CN204705554U (en) | 2015-07-01 | 2015-07-01 | rock stress relaxation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467714.3U CN204705554U (en) | 2015-07-01 | 2015-07-01 | rock stress relaxation test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204705554U true CN204705554U (en) | 2015-10-14 |
Family
ID=54285159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520467714.3U Expired - Fee Related CN204705554U (en) | 2015-07-01 | 2015-07-01 | rock stress relaxation test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204705554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897473A (en) * | 2015-07-01 | 2015-09-09 | 山东理工大学 | Rock stress relaxation test device and test method |
-
2015
- 2015-07-01 CN CN201520467714.3U patent/CN204705554U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104897473A (en) * | 2015-07-01 | 2015-09-09 | 山东理工大学 | Rock stress relaxation test device and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104897473A (en) | Rock stress relaxation test device and test method | |
| CN104897467A (en) | True-triaxial loading and unloading rock stress relaxation test device and test method | |
| CN104374649B (en) | A kind of experimental rig and method for being used to observe shear deformation breaks down feature between pile tube and the slip casting soil body | |
| CN103471923B (en) | Rapid testing machine for multi-diameter rock core hydraulic fracturing tensile strength | |
| CN102778387A (en) | Testing device and testing method for rock cracked through coupling of dynamic static load and water pressure | |
| CN104132850B (en) | System for shale in-situ volume fracturing tests | |
| CN203365427U (en) | Visual analog simulation experiment table | |
| CN108894764B (en) | Visual two-dimensional hydraulic fracture simulation experiment device | |
| CN106092757B (en) | A kind of experimental rig and its application method of static load and hydraulic pressure coupling broken rock | |
| CN104749023A (en) | Testing device and testing method for simulating hydrodynamic pressure action in rock fracture | |
| CN104964880A (en) | Industrial computer tomograghy (CT)-based heating seepage true-triaxial test box | |
| CN112763694B (en) | Two-dimensional similarity simulation test device and method for dynamic disturbance of mine exploitation | |
| CN109142024A (en) | A kind of adjustable anchor rod double shear Mechanics Performance Testing emulation mode | |
| CN103674679A (en) | Device and method for testing mechanical properties of fracture-vug type carbonate rock reservoir environment | |
| CN104697713A (en) | Testing device and testing method for testing sealing property of special screwed joint | |
| CN203785966U (en) | Portable rock triaxial compression tester | |
| CN105699203A (en) | Test device and method for measuring compressive strength of building materials under ambient pressure | |
| CN210720389U (en) | Tunnel excavation process analogue test device | |
| CN104181002B (en) | A kind of uniform hydraulic analogue charger for tunnel structural model test and method | |
| CN204705554U (en) | rock stress relaxation test device | |
| Wu et al. | Design and application of hydro-mechanical coupling test system for simulating rock masses in high dam reservoir operations | |
| CN103439192A (en) | High-pressure autoclave device capable of simulating external pressure and bending load applied to underground petroleum tubular goods | |
| CN104614244A (en) | High-stress roadway stability similarity simulation test device and method | |
| CN106404524A (en) | Device and method for recognizing horizontal radial deformation of static triaxial test soil sample | |
| CN106840904A (en) | A kind of axle anisobaric of rock three is loaded and monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160701 |