CN202177551U - Triaxial rheological experiment device for soft geomaterials - Google Patents
Triaxial rheological experiment device for soft geomaterials Download PDFInfo
- Publication number
- CN202177551U CN202177551U CN2011202350764U CN201120235076U CN202177551U CN 202177551 U CN202177551 U CN 202177551U CN 2011202350764 U CN2011202350764 U CN 2011202350764U CN 201120235076 U CN201120235076 U CN 201120235076U CN 202177551 U CN202177551 U CN 202177551U
- Authority
- CN
- China
- Prior art keywords
- steel cylinder
- pressure
- bearing base
- pressure steel
- grooves
- 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
The utility model discloses a triaxial rheological experiment device for soft geomaterials, which comprises a pressure-bearing base, a confining pressure steel cylinder, a counter-force loading water tank and six dial indicators. The confining pressure steel cylinder is welded to the pressure-bearing base, leveling bolts are arranged below the pressure-bearing base, and leveling bubbles are arranged on the pressure-bearing base. A liquid capsule is arranged in the confining pressure steel cylinder, four grooves are arranged on the confining pressure steel cylinder and symmetrically arranged pairwise, two pairs of grooves are arranged in malposition mode, the four grooves are respectively provided with one dial indicator, and the other two dial indicators are arranged on the pressure-bearing base. The counter-force loading water tank is connected with the confining pressure steel cylinder through a dowel bar. The triaxial rheological experiment device for the soft geomaterials solves the problem of research on rheological characteristics of the soft geomaterials. Compared with the prior research, the triaxial rheological experiment device is simple in structure, easy to achieve and capable of obtaining axis displacement and radial displacement of the geomaterials.
Description
Technical field
The utility model relates to a kind of triaxial rheology experimental provision of weak rocks soil material, belongs to the rock mechanics field.
Background technology
At present; The rock rheological test is the important means of research rock rheology characteristic; The rheological test result of study can disclose the rheology characteristic of rock under different stresses, thereby lays the foundation for the foundation of rock rheology constitutive model and rock engineering rheology numerical analysis.Shop experiment has can long-term observation, can strict control test condition, multiplicity is many and expensive advantage such as few, receive widely always and paying attention to.But because rock engineering is in complex stress condition; Under many circumstances; Rock rheological test under the simple stress state can not reflect rock mass stress state and the rock condition in the engineering reality fully, and therefore, the rock rheology experimental study of carrying out under the triaxial stress state condition seems very important
Summary of the invention
To above-mentioned prior art, the utility model provides a kind of triaxial rheology experimental provision of weak rocks soil material, and it is simple in structure, is easy to realize.
The utility model is realized through following technical scheme:
A kind of triaxial rheology experimental provision of weak rocks soil material comprises pressure-bearing base, confined pressure steel cylinder, counter-force water tank for loading and six clock gauges, wherein, and confined pressure steel cylinder and the welding of pressure-bearing base; Pressure-bearing base below is provided with the leveling bolt, and the pressure-bearing base is provided with air level, and the leveling bolt plays the effect of leveling pressure-bearing base, confirms whether level of whole device through the air level on the pressure-bearing base circumference; Place the liquid capsule in the confined pressure steel cylinder as the confined pressure charger, the confined pressure steel cylinder can stop the displacement of liquid capsule Off-Radial in pressure process; The confined pressure steel cylinder is provided with four grooves, and groove is symmetric arrangement in twos, and two pairs of grooves are dislocatedly distributed (promptly being in respectively on the confined pressure steel cylinder differing heights), respectively are provided with a clock gauge on four grooves, and two other clock gauge is placed on the pressure-bearing base; The counter-force water tank for loading is connected with the confined pressure steel cylinder through transmission rod, and the counter-force water tank for loading plays the effect that applies a power, and transmission rod plays the effect of the axle power that transmission counter-force water tank for loading applies, and prevention confined pressure steel cylinder is to the power effect of counter-force water tank for loading.
The triaxial rheology experimental provision integral body of the weak rocks soil material of the utility model is cylindrical, can be divided into support system, leveling system, loading system and measurement system four parts, and wherein, confined pressure steel cylinder and pressure-bearing base are formed support system; The leveling bolt is formed leveling system with the air level that is located on the pressure-bearing base; (the hydraulic control system major control loads the size and the speed of confined pressure for counter-force water tank for loading, transmission rod, liquid capsule and hydraulic control system; Comprise force (forcing) pump, the flexible pipe that links to each other with the liquid capsule, be arranged on flowmeter and velocimeter in the flexible pipe, and the computing machine of gathering flow and flow velocity) the composition loading system; Be placed on two clock gauges on the pressure-bearing base; Be arranged in the test specimen both sides during use symmetrically; Form the axial displacement measurement system; Four clock gauges that pass the groove of confined pressure steel cylinder are formed the radial displacement measurement system, and resistance-strain acquisition system (comprising strain rosette that sticks on the test specimen and the static resistance strainmeter of gathering strain data), axial displacement measurement system and radial displacement measurement system are formed measurement system.
Preferably, said liquid capsule adopts SEBS material (being prepared the thermoplastic elastic rubber that forms by the styrene-butadiene block copolymer selective hydrogenation) retrofit to form, and has good, good stretchability of impermeability and oxidation resistant performance.
Preferably, said pressure-bearing base is the accurately machined high strength cup dolly of process.
Preferably, said confined pressure steel cylinder is for reserving four grooves on accurately machined high strength cylindrical drum of process and the confined pressure steel cylinder, and groove is symmetric arrangement in twos, and two pairs of grooves are in respectively on the confined pressure steel cylinder differing heights.
Use: confirm the compressive strength of test specimen, further confirm the load of each grade of sum of series of loading; Adhering resistance strain rosette on test specimen, and connect the static resistance strainmeter; Test specimen is placed on the center of pressure-bearing base; Four clock gauges are passed the groove that the confined pressure steel cylinder is reserved, zeroing; Through leveling air level and leveling bolt adjustment; Installation is calibrated to the clock gauge of displacement and zeroing; The lead that resistance-strain is taken is connected with the strain acquirement instrument; Transmission rod is installed; Loading case to counter-force is put on the transmission rod; Add water and pass through hydraulic control system water filling in the liquid capsule in counter-force loading case according to the load that calculates each good grade; The reading of record clock gauge is in 48 hours, when distortion is not more than 0.001mm; Can think that rheology gets into the stabilization sub stage, can add the next stage load.
The utility model has been studied the triaxial rheology experimental provision of weak rocks soil material, has solved studying a question of weak rocks soil material rheological characteristics.Compare with forefathers' research, experimental provision is simple in structure, is easy to realize, not only can obtain the axis shift of material, more can obtain the radial displacement of material, and wherein radial displacement adopts four clock gauges that pass confined pressure steel cylinder reservation groove to gather automatically.
The utility model has solved the test problem to the rheological characteristics of weak rocks soil material, has the following advantages:
The rheological characteristics of test weak rocks soil material that 1, can be successful;
2, can guarantee test specimen is evenly applied confined pressure;
3, not only can record the radial displacement of test specimen, can also record its axial displacement;
4, between test specimen and counter-force water tank for loading, transmission rod is installed, in the time of can effectively subduing the confined pressure loading, the counter-force effect that the liquid capsule applies the counter-force water tank;
5, adopt the liquid capsule to apply confined pressure, pressure is even, and voltage stabilizing for a long time.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein, 1, leveling bolt; 2, clock gauge; 3, counter-force water tank for loading; 4, liquid capsule; 5, confined pressure steel cylinder; 6, force transmission shaft; 7, pressure-bearing base; 8, groove; 9, air level.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of triaxial rheology experimental provision of weak rocks soil material comprises pressure-bearing base 7, confined pressure steel cylinder 5, counter-force water tank for loading 3 and six clock gauges 2, and is as shown in Figure 1, wherein, and confined pressure steel cylinder 5 and 7 welding of pressure-bearing base; Pressure-bearing base 7 belows are provided with leveling bolt 1, and pressure-bearing base 7 is provided with air level 9, and leveling bolt 1 plays the effect of leveling pressure-bearing base 7, confirm whether level of whole devices through the air level on pressure-bearing base 7 circumference 9; Place liquid capsule 4 in the confined pressure steel cylinder 5, as the confined pressure charger, the confined pressure steel, 5 can stop the displacement of liquid capsule 4 Off-Radial in pressure process; Confined pressure steel cylinder 5 is provided with four grooves 8, and groove 8 is symmetric arrangement in twos, and two pairs of grooves 8 are dislocatedly distributed (promptly being in respectively on confined pressure steel cylinder 5 differing heights), respectively are provided with a clock gauge 2 on four grooves 8, and two other clock gauge 2 is placed on the pressure-bearing base 7; Counter-force water tank for loading 3 is connected with confined pressure steel cylinder 5 through transmission rod 6, and counter-force water tank for loading 3 plays the effect that applies a power, and transmission rod 6 plays the effect of the axle power that transmission counter-force water tank for loading 3 applies, and the power effect of 5 pairs of counter-force water tank for loading 3 of prevention confined pressure steel cylinder.
The triaxial rheology experimental provision integral body of the weak rocks soil material of the utility model is cylindrical, can be divided into support system, leveling system, loading system and measurement system four parts, and wherein, confined pressure steel cylinder 5 is formed support system with pressure-bearing base 7; Leveling bolt 1 is formed leveling system with the air level 9 that is located on the pressure-bearing base 7; (the hydraulic control system major control loads the size and the speed of confined pressure for counter-force water tank for loading 3, transmission rod 6, liquid capsule 4 and hydraulic control system; Comprise force (forcing) pump, the flexible pipe that links to each other with the liquid capsule, be arranged on flowmeter and velocimeter in the flexible pipe, and the computing machine of gathering flow and flow velocity; Be conventional design, repeat no more, also do not draw among the figure at this) the composition loading system; Be placed on two clock gauges 2 on the pressure-bearing base 7; Be arranged in the test specimen both sides during use symmetrically; Form the axial displacement measurement system; Four clock gauges 2 that pass the groove 8 of confined pressure steel cylinder 5 are formed the radial displacement measurement system, and resistance-strain acquisition system (comprising strain rosette that sticks on the test specimen and the static resistance strainmeter of gathering strain data), axial displacement measurement system and radial displacement measurement system are formed measurement system.
Said liquid capsule 4 adopts SEBS material (being prepared the thermoplastic elastic rubber that forms by the styrene-butadiene block copolymer selective hydrogenation) retrofit to form, and has good, good stretchability of impermeability and oxidation resistant performance.
Said pressure-bearing base 7 is the accurately machined high strength cup dolly of process.
Said confined pressure steel cylinder 5 is for reserving four grooves 8 on accurately machined high strength cylindrical drum of process and the confined pressure steel cylinder 5, groove 8 is symmetric arrangement in twos, and two pairs of grooves 8 are in respectively on confined pressure steel cylinder 5 differing heights.
Use: confirm the compressive strength of test specimen, further confirm the load of each grade of sum of series of loading; Adhering resistance strain rosette on test specimen, and connect the static resistance strainmeter; Test specimen is placed on the center of pressure-bearing base 7; Four clock gauges 2 are passed the groove 8 that confined pressure steel cylinder 5 is reserved, zeroing; Through air level 9 and leveling bolt 1 adjustment; Installation is calibrated to the clock gauge 2 of displacement and zeroing; The lead that resistance-strain is taken is connected with the strain acquirement instrument; Transmission rod 6 is installed; Loading case 3 to counter-force is put on the transmission rod 6; Add water and pass through hydraulic control system water filling in liquid capsule 4 in counter-force loading case 3 according to the load that calculates each good grade; The reading of record clock gauge 2 is in 48 hours, when distortion is not more than 0.001mm; Can think that rheology gets into the stabilization sub stage, can add the next stage load.
Claims (1)
1. the triaxial rheology experimental provision of a weak rocks soil material is characterized in that: comprise pressure-bearing base, confined pressure steel cylinder, counter-force water tank for loading and six clock gauges, wherein, confined pressure steel cylinder and the welding of pressure-bearing base; Pressure-bearing base below is provided with the leveling bolt, and the pressure-bearing base is provided with air level; Place the liquid capsule in the confined pressure steel cylinder, the confined pressure steel cylinder is provided with four grooves, and groove is symmetric arrangement in twos, and two pairs of grooves are dislocatedly distributed, and respectively are provided with a clock gauge on four grooves, and two other clock gauge is placed on the pressure-bearing base; The counter-force water tank for loading is connected with the confined pressure steel cylinder through transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202350764U CN202177551U (en) | 2011-07-05 | 2011-07-05 | Triaxial rheological experiment device for soft geomaterials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202350764U CN202177551U (en) | 2011-07-05 | 2011-07-05 | Triaxial rheological experiment device for soft geomaterials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202177551U true CN202177551U (en) | 2012-03-28 |
Family
ID=45867425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202350764U Expired - Fee Related CN202177551U (en) | 2011-07-05 | 2011-07-05 | Triaxial rheological experiment device for soft geomaterials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202177551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149095A (en) * | 2013-02-05 | 2013-06-12 | 重庆交通大学 | Test method and test device for studying steel-soil contact surface mechanical property |
-
2011
- 2011-07-05 CN CN2011202350764U patent/CN202177551U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149095A (en) * | 2013-02-05 | 2013-06-12 | 重庆交通大学 | Test method and test device for studying steel-soil contact surface mechanical property |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109374418B (en) | Method for testing tangential and normal resistance of anchor chain and soil under equivalent elastic boundary | |
| CN102262019A (en) | Triaxial rheology experimental device for soft rock material | |
| CN205120490U (en) | Geotechnique's type test piece tensile test load anchor clamps | |
| CN102269676A (en) | High-precision geotechnical simple shear apparatus and use method thereof | |
| CN103344495B (en) | Rigid bearing plate center pit method servocontrol deep rock-mass deformation test unit and method thereof | |
| CN104296896B (en) | Analog simulation test direct-reading anchor ergometer method of work | |
| CN203310554U (en) | Three-component dual-ring borehole deformeter | |
| CN107449678A (en) | Large-scale triaxial shear test devices and methods therefor in situ | |
| CN101806689B (en) | Method for measuring dynamic shear strength of brittle material by using concentric cylindrical sample | |
| CN104344997B (en) | Passive type restraint loading device for triaxial test | |
| CN102692351B (en) | Test bed and application method thereof to testing mechanical properties of inclined bolt | |
| Kong et al. | Centrifuge modeling of torsionally loaded pile groups | |
| CN102409705A (en) | System for monitoring and pre-warning pile foundation damage in real time | |
| CN113418647A (en) | Floating force testing device and method for shield segment in surrounding rock | |
| CN114487349B (en) | But simulation reality environment's soft rock meets water swelling characteristic test device | |
| CN202177551U (en) | Triaxial rheological experiment device for soft geomaterials | |
| CN202522486U (en) | True triaxial rheological test system | |
| CN103698073A (en) | Device and method for testing fastening pressure of shape memory alloy pipe joint | |
| CN111593772B (en) | Swivel bridge weighing method based on pile foundation stress measurement | |
| CN107884279A (en) | The horizontal full Digitized Servo Control direct tensile test system of rock | |
| CN202788894U (en) | Prestressing force measuring anchor stock | |
| Al-Mosawi et al. | Experimental observations on the behavior of a piled raft foundation | |
| CN108169454B (en) | Expansive soil expansive force-deformation relation joint tester | |
| CN109900467A (en) | A kind of device of helical spring simulation soil resistance | |
| CN106194157B (en) | Giant magnetostrictive drilling variable-mode measuring probe and measuring method |
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 |
Granted publication date: 20120328 Termination date: 20140705 |
|
| EXPY | Termination of patent right or utility model |