CN107037075A - One kind expansion grout material solidification process expansion system safety testing device and method of testing - Google Patents
One kind expansion grout material solidification process expansion system safety testing device and method of testing Download PDFInfo
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- CN107037075A CN107037075A CN201710399344.8A CN201710399344A CN107037075A CN 107037075 A CN107037075 A CN 107037075A CN 201710399344 A CN201710399344 A CN 201710399344A CN 107037075 A CN107037075 A CN 107037075A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
Abstract
One kind expansion grout material solidification process expansion system safety testing device, including positioning base, Perforated decking, slurry container, bolt, clamp nut, axial strain piece, tangential strain piece, injection orifice, spout hole and temperature measuring equipment, temperature compensation means and data processing equipment, described slurry container is arranged at the top of positioning base, slurry container is the tubular construction of upper and lower opening, tangential strain piece is arranged on the outer wall of slurry container, the upper seal of slurry container is covered with Perforated decking, four the first bolts hole are provided with the positioning base, four the second bolts hole are provided with Perforated decking, the bolt and clamp nut are by the first bolt hole and the second bolt hole by positioning base, slurry container is fixed into an entirety with Perforated decking, axial strain piece is arranged on a side surface of bolt, the present invention is deformed using the setting expansion of elastic restraint part control material, measure corresponding expansive force simultaneously, measurement material expansive force under various boundary conditions changes with time characteristic in real time.
Description
Technical field
Surveyed the present invention relates to mineral engineering field, more particularly to a kind of expansion grout material solidification process dilatancy that is directed to
The device and method of testing of examination.
Background technology
Slurry injection technique has turned into the technologies such as gas pumping, driuing along goaf, the goaf fire extinguishing in China's mining industry, especially colliery
The key measures used.For the closure of mash gas pumping drilling, it is desirable to which sealing material has well swollen
Swollen performance, the good slurry material of dilatancy not only can tightly block aperture, and can reduce drilling gas leakage.Dilatancy slip casting
Expansive force, expansive force during material solidification and expansion magnitude relation, expansive force and constraint stiffness relation and expansive force when
The rules such as effect characteristic put into practice particularly important for gas drilling sealing of hole, therefore in order to be carried out to the Expansion Regularity of dilatancy grout material
Research is, it is necessary to develop the device and method of testing of a set of expansion grout material solidification process dilatancy test.
Rock meet water effect after can occur a series of physical and chemical reaction, it can cause rock volumetric expansion and
The change of mechanical property.Development defined in engineering with the time under the physics chemical action of water is also easy to produce volume increase, crushed
A rocks with decomposition are expansive rock.Expansive rock has compared with strong dilatancy energy, when rock mass is disturbed, and particularly meets water, J
Great variety often occurs for wonderful scenery, produces volumetric expansion, and structures are produced with the huge bulbs of pressure, the stabilization of engineering is had a strong impact on
Property, geological disaster can be caused.The important process that experimental test is Geotechnical Engineering field is carried out to rock expansion.Rock is swollen
Swollen property experiment mainly includes swelling rate test and expansive force is tested, and swelling rate test is that measurement expansive rock meets axial deformation after water
Expansion rate, expansive force experiment is to measure expansive rock to meet the restrained axial expansion power of deformation tendency after water.Application No.
201620840732.6 patent discloses a kind of rock expansion experimental rig, and it includes cover body, wherein, cloth on the top plate of cover body
A top force transmission mechanism is equipped with, cover body lower disposed, which has, to be disposed with a bottom tray, bottom tray for rock expansion test
Mechanism for testing.Described rock expansion experimental rig, wherein, above-mentioned mechanism for testing includes the water storage being arranged on bottom plate pallet
It is disposed with cover, water storage cover in bottom force transmission mechanism, the upper end insertion water storage cover of bottom force transmission mechanism, above the force transmission mechanism of bottom
It is disposed with metal fixed cover, metal fixed cover and is disposed with lower porous metals backing plate, rock is disposed with above lower porous metals backing plate
Stone test specimen, is disposed with porous metals backing plate, upper porous metals backing plate above rock sample and is disposed with cover plate box, cover plate box with
Upper porous metals backing plate is connected, and cover plate box is connected by a load transducer with top force transmission mechanism, cover plate box side cloth
A displacement transmission plate is equipped with, the side of cover body is provided with a displacement transducer, and displacement transducer lower end connects with displacement transmission plate
Touch.The application can only accordingly be detected to the expansive force of rock, it is impossible to which the dilatancy for expanding slip casting is detected.
The expansion system safety testing device and method of testing that presently, there are focus mostly in Geotechnical Engineering field, for slurry material
Speech, is but not suitable for using methods such as conventional balance pressurization method, back-pressure method and decompression methods.And there is frequent reading causes expense
During expenses of labour, the shortcomings of active plus-pressure makes material damage.And be directed to measurement expansion the expansile device of injecting paste material it is then less,
And typically to damage or lose sensor, cause experimentation cost to rise.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide one kind expansion grout material solidification process dilatancy test
Device and method of testing, can be realized to the expansile test of slurry material.
To achieve these goals, adopt the following technical scheme that：
One kind expansion grout material solidification process expansion system safety testing device, including positioning base, Perforated decking, slurry container,
Bolt, clamp nut, axial strain piece, tangential strain piece, injection orifice, spout hole and temperature measuring equipment, temperature compensation means
And data processing equipment, described slurry container is arranged at the top of positioning base, and slurry container is the tubular knot of upper and lower opening
Structure, tangential strain piece is arranged on the outer wall of slurry container, and the upper seal of slurry container is covered with Perforated decking, Perforated decking
On be provided with injection orifice and spout hole, injection orifice is internally provided with the injection orifice vice for preventing that slurry from overflowing, spout hole
It is internally provided with the spout hole vice for preventing that slurry from overflowing, the positioning base and is provided with the first bolt hole, Perforated decking
It is provided with above and below the second bolt hole, the first bolt hole and the second bolt hole and is correspondingly arranged, the bolt and clamp nut passes through first
Positioning base, slurry container and Perforated decking are fixed into an entirety by bolt hole and the second bolt hole, and axial strain piece is set
In on the surface of bolt side, axial strain piece and tangential strain piece are connected by data wire with data processing equipment, positioning
The bottom of base is provided with temperature measuring equipment, and the side of slurry container is provided with temperature compensation means.
Preferably, the upper middle position of the positioning base is provided with positioning boss, the diameter of the positioning boss
Set with the minor diameter fit of slurry container, and then by the position of positioning boss fixation slurry container,
Preferably, described temperature measuring equipment includes temperature sensor and temperature display, temperature sensor is set
In the top of positioning boss, positioning base and positioning boss are internally provided with the TEMP string holes run through, temperature display
Outside positioning base, temperature sensor is electrically connected with temperature display.
Preferably, described temperature compensation means includes temperature-compensating plate, temperature-compensating bracket base, temperature-compensating gold
Belong to piece and temperature-compensating support, temperature-compensating base is arranged at the top of positioning base and close to slurry container, temperature-compensating bottom
The top of seat is connected with temperature-compensating support, temperature-compensating plate and temperature compensated metal piece in turn.
Preferably, described data processing equipment includes statical strain indicator and computer, axial strain piece is answered with tangential
Become piece to be connected with statical strain indicator by data wire, statical strain indicator is connected with computer, and statical strain indicator gathers phase in real time
The deflection answered, is transferred to computer storage, is that further data conversion is prepared.
Preferably, the lower section of the Perforated decking sets the sealing of guaranteed Perforated decking and slurry container sealing
Part.
Fixed preferably, the slurry container is a series of internal diameters, the different steel drum of wall thickness passes through slurry container
The change of wall thickness changes the radial constraint of slurry curing expansion, to obtain the deflection of slurry container, and the bolt is one to be
The different bolt standard component of row diameter, the axial constraint expanded by the change and then change slurry curing of bolt.
The method of testing of system safety testing device is expanded using above-mentioned expansion grout material solidification process, is grasped as follows
Make：
Step 1：Device is installed according to set constraints, and arranges axial foil gauge in relevant position and tangentially should
Become piece, be connected into statical strain indicator, and be connected by data wire with computer, open statical strain indicator and computer, open a terminal
Control software interface；
Step 2：The pulp solution configured is injected into slurry container by injection orifice, when spout hole overflows pulp solution
When, that is, represent that slurry container fills slurry, clogs injection orifice with injection orifice vice, spout hole is clogged with spout hole vice；
Step 3：The reading zeroing of statical strain indicator, starts to gather the strain data of each foil gauge outflow, is spaced simultaneously
Time T records the reading of temperature display, when each group deformation data no longer changes or changes unobvious, stops data and adopts
Collection, preserves data；
Step 4：Change slurry container or bolt and then change constraints, 1~step 3 of repeat step, draw it is different about
Under the conditions of beam, the real-time expansive force and temperature of slurry are expanded；
Step 5：Data conversion and processing are carried out to the data collected in step 1 to step 4.Preferably, to step 5
In data conversion and processing carry out according to the following steps：
Step a：Data conversion is carried out, gained strain data is tested each group and changes.Then real-time expanding radial force can
Handled as the following formula：Real-time axial expansion power can be handled as the following formula：Axial expansion power
=4e2Er2/R2；Definition, expansion rate=swell increment increase/slurry initial volume, then real-time expansion rate can be as the following formula
Changed：Wherein：E1 tangentially should for slurry container
Become；
E2 is the axial strain of bolt；
D is the wall thickness of slurry container；
E is device material therefor Young's modulus；
M is device material therefor Poisson's ratio；
R is the internal diameter of slurry container；
R is bolt radius；
Step b：A series of expansive forces tested on each group after slurry curing expansion stabilization can be obtained by step a, now
The expansive force of every group of experiment includes radial direction and axially two aspects, and one expansion rate of each correspondence；
Step c：Be fitted to being combined by a series of step b expansive forces obtained with expansion rate, obtain matched curve with
Fit equation, thus can obtain expansive force when expansion rate is 0.
Preferably, time T scope is 0.5min≤T≤10min in the step 3.
Beneficial effects of the present invention are：(1) using the setting expansion deformation of elastic restraint part control material, measure simultaneously
Corresponding expansive force；
(2) can be by different radial constraints (cylinder of different wall) and the different axial constraint (spiral shells of different-diameter
Bolt) multigroup elastic restraint is formed, and then multigroup (swell increment, expansive force) data can be measured, expansion can be analyzed by fitting
Mutual Variety Relationship between power and swell increment, and try to achieve limit expansive force (swell increment is the expansive force under the conditions of 0)；
(3) Mutual Variety Relationship between expansive force and swell increment, analysis expansive force and deflection constraint can be analyzed by experiment
Between relation；
(4) measurement material expansive force under various boundary conditions changes with time characteristic in real time.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is positioning base top view；
Fig. 3 is Perforated decking top view；
Fig. 4 is temperature compensation means structural representation；
Fig. 5 is the Mutual Variety Relationship figure of expansibility and swelling quantity of the present invention；
Fig. 6 is expansive force and radial drawing stiffness relation figure in the present invention；
Fig. 7 is expansive force and axial tension stiffness relation figure in the present invention；
Fig. 8 is that material expansive force under various boundary conditions changes with time performance plot.
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Fig. 1 is referred to Fig. 8.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., is only used to
Coordinate the content disclosed in specification, so that those skilled in the art is understood with reading, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influenceing effect of the invention that can be generated and the purpose that can reach, all should still it fall in disclosed skill
Art content is obtained in the range of covering.Meanwhile, in this specification it is cited as " on ", " under ", "left", "right", " centre " and
The term of " one " etc., is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness
It is altered or modified, under without essence change technology contents, when being also considered as enforceable category of the invention.
One kind expansion grout material solidification process expansion system safety testing device, it is characterised in that：Including positioning base 1, perforated lid
Plate 2, slurry container 3, bolt 6, clamp nut 5, axial strain piece 8, tangential strain piece 9, injection orifice 16, spout hole 17 and temperature
Measurement apparatus, temperature compensation means and data processing equipment, slurry container 3 are arranged at the top of positioning base 1, positioning base 1
Upper middle position be provided with positioning boss 24, the diameter of positioning boss 24 is set with the major diameter fit of slurry container 3, and then
The position of slurry container 3 is fixed by positioning boss 24, tangential strain piece 9 is arranged on the outer wall of slurry container 3, slurry container
3 upper seal is covered with Perforated decking 2, to ensure the sealing of Perforated decking 2 and slurry container 3, the lower section of Perforated decking 2
It is provided with seal 7.Injection orifice 16 and spout hole 17 are provided with Perforated decking 2, being internally provided with for injection orifice 16 prevents slurry
Expect the injection orifice vice 10 overflowed, being internally provided with for spout hole 17 prevents the spout hole vice 11 of slurry spilling, described
It is provided with positioning base 1 on first bolt hole 4, Perforated decking 2 and is provided with the second bolt hole 18, the first bolt hole 4 and the second bolt
Hole is correspondingly arranged about 18, and the bolt 6 and clamp nut 5 are by the first bolt hole 4 and the second bolt hole 18 by positioning base
1st, it is that a series of internal diameters are fixed that slurry container 3 is fixed into slurry container 3 in an entirety, the present embodiment with Perforated decking 2, wall thickness
Different steel drums, changes the radial constraint that slurry curing expands by the change of the wall thickness of slurry container 3, to obtain slurry
The deflection of container 3, bolt 6 is a series of different bolt standard component of diameters, is consolidated by the change and then change slurry of bolt 6
Change the axial constraint of expansion.Axial strain piece 8 is arranged on the surface of bolt 6, and axial strain piece 8 and tangential strain piece 9 pass through
Data wire is connected with data processing equipment, and the bottom of positioning base 1 is provided with temperature measuring equipment, the side of slurry container 3
It is provided with temperature compensation means.
Temperature measuring equipment in the present embodiment includes temperature sensor 14 and temperature display 15, and temperature sensor 14 is set
It is placed in the top of positioning boss 24, positioning base 1 and positioning boss 24 are internally provided with the TEMP string holes 23 run through, temperature
Spend display screen 15 to be located at outside positioning base 1, temperature sensor 14 is electrically connected with temperature display 15.
Temperature compensation means in the present embodiment includes temperature-compensating plate 12, temperature-compensating bracket base 13, temperature-compensating
Sheet metal 21 and temperature-compensating support 22, temperature-compensating base 13 are arranged at the top of positioning base 1 and close to slurry container 3,
The top of temperature-compensating base 13 is connected with temperature-compensating support 22, temperature-compensating plate 12 and temperature compensated metal piece 21 in turn.
Data processing equipment in the present embodiment includes statical strain indicator 19 and computer 20, axial strain piece 8 and tangential
Foil gauge 9 is connected by data wire with statical strain indicator 19, and statical strain indicator 19 is connected with computer 20, statical strain indicator 19
Corresponding deflection is gathered in real time, computer 20 is transferred to and stores, and is that further data conversion is prepared.
The method of testing of the device is carried out according to the following steps：
Step 1：Device is installed according to set constraints, and axial foil gauge 8 is arranged and tangential in relevant position
Foil gauge 9, is connected into statical strain indicator 19, and is connected by data wire with computer 20, opens statical strain indicator 19 and computer
20, the control software that opens a terminal interface；
Step 2：The pulp solution configured is injected into slurry container 3 by injection orifice 16, when spout hole 17 overflows slurry
During solution, that is, represent that slurry container 3 fills slurry, clogs injection orifice 16, with spout hole vice 11 with injection orifice vice 10
Clog spout hole 17；
Step 3：The reading zeroing of statical strain indicator 19, starts to gather the strain data of each foil gauge outflow, same to time
The reading of temperature display 15 is recorded every time T, when each group deformation data no longer changes or changes unobvious, stops data
Collection, preserves data；
Step 4：Change slurry container 3 or bolt 6 and then change constraints, 1~step 3 of repeat step draws difference
Under constraints, the real-time expansive force and temperature of slurry are expanded；
Step 5：Data conversion and processing are carried out to the data collected in step 1 to step 4.
Step 5 data conversion in the device specific implementation process and processing are carried out as follows：
Step a：Data conversion is carried out, gained strain data is tested each group and changes.Then real-time expanding radial force can
Handled as the following formula：Real-time axial expansion power can be handled as the following formula：Axial expansion power
=4e2Er2/R2；Definition, expansion rate=swell increment increase/slurry initial volume, then real-time expansion rate can be as the following formula
Changed：Wherein：E1 tangentially should for slurry container 3
Become；
E2 is the axial strain of bolt 6；
D is the wall thickness of slurry container 3；
E is device material therefor Young's modulus；
M is device material therefor Poisson's ratio；
R is the internal diameter of slurry container 3；
R is the radius of bolt 6.
Step b：A series of expansive forces tested on each group after slurry curing expansion stabilization can be obtained by step a, now
The expansive force of every group of experiment includes radial direction and axially two aspects, and one expansion rate of each correspondence；
Step c：Be fitted to being combined by a series of step b expansive forces obtained with expansion rate, obtain matched curve with
Fit equation, thus can obtain expansive force when expansion rate is 0.
For the time T in step 3, can be adjusted according to specific slurry types and requirement of experiment, T in 0.5min and
Suitably selected between 10min, when the data of needs are more accurate, when slurry changes over time larger, time T can take
Time T in 0.5min, the present embodiment chooses 1min, when slurry is changed over time it is smaller when, it is 10min that can take time T.
It is the specific data handling procedure of the present invention as shown in Fig. 5 to Fig. 8, expansibility and swelling quantity examination as shown in Figure 5
Test data processing figure, can by different radial constraints (cylinder of different wall) and different axial constraints (different-diameter
Bolt) multigroup elastic restraint is formed, and then multigroup (swell increment, expansive force) data can be measured, it can analyze swollen by fitting
Mutual Variety Relationship between expansive force and swell increment, and try to achieve limit expansive force (swell increment is the expansive force under the conditions of 0).
As shown in Figure 6 and Figure 7, the Mutual Variety Relationship between expansive force and swell increment, analysis expansion can be analyzed by experiment
Relation between power and deflection constraint.
Fig. 8 changes with time characteristic for measurement material expansive force under various boundary conditions in real time.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. one kind expansion grout material solidification process expansion system safety testing device, it is characterised in that：Including positioning base (1), perforated lid
Plate (2), slurry container (3), bolt (6), clamp nut (5), axial strain piece (8), tangential strain piece (9), injection orifice (16),
Spout hole (17) and temperature measuring equipment, temperature compensation means and data processing equipment, described slurry container (3) are arranged at fixed
The top of position base (1), slurry container (3) is the tubular construction of upper and lower opening, and tangential strain piece (9) is arranged at slurry container
(3) on outer wall, the upper seal of slurry container (3) is covered with Perforated decking (2), and Perforated decking is provided with injection orifice on (2)
(16) and spout hole (17), injection orifice (16) is internally provided with the injection orifice vice (10) for preventing that slurry from overflowing, spout hole
(17) be internally provided with the spout hole vice (11) for preventing that slurry from overflowing, the positioning base (1) is provided with four first
It is provided with bolt hole (4), Perforated decking (2) on four the second bolts hole (18), the first bolt hole (4) and the second bolt hole (18)
Under be correspondingly arranged, the bolt (6) and clamp nut (5) will position bottom by the first bolt hole (4) and the second bolt hole (18)
Seat (1), slurry container (3) are fixed into an entirety with Perforated decking (2), and axial strain piece (8) is arranged at the side of bolt (6)
On surface, axial strain piece (8) and tangential strain piece (9) are connected by data wire with data processing equipment, positioning base (1)
Bottom be provided with temperature measuring equipment, the side of slurry container (3) is provided with temperature compensation means.
2. a kind of expansion grout material solidification process expansion system safety testing device according to claim 1, it is characterized in that：It is described fixed
The upper middle position of position base (1) is provided with the positioning boss (24) of cylinder, the diameter and slurry of the positioning boss (24)
The minor diameter fit of material container (3) is set, and then passes through the position of the fixed slurry container (3) of positioning boss (24).
3. a kind of expansion grout material solidification process expansion system safety testing device according to claim 2, it is characterized in that：Described
Temperature measuring equipment includes temperature sensor (14) and temperature display (15), and temperature sensor (14) is arranged at positioning boss
(24) top, positioning base (1) and positioning boss (24) are internally provided with the TEMP string holes (23) run through, and temperature shows
Display screen (15) is located at positioning base (1) outside, and temperature sensor (14) is electrically connected with temperature display (15).
4. any expansion grout material solidification process expansion system safety testing device according to claims 1 to 3, it is characterized in that：
Described temperature compensation means includes temperature-compensating plate (12), temperature-compensating bracket base (13), temperature compensated metal piece (21)
With temperature-compensating support (22), temperature-compensating base (13) is arranged at the top of positioning base (1) and close to slurry container (3),
The top of temperature-compensating base (13) is connected with temperature-compensating support (22), temperature-compensating plate (12) and temperature compensated metal in turn
Piece (21).
5. a kind of expansion grout material solidification process expansion system safety testing device according to claim 4, it is characterized in that：Described
Data processing equipment includes statical strain indicator (19) and computer (20), and axial strain piece (8) and tangential strain piece (9) pass through number
It is connected according to line with statical strain indicator (19), statical strain indicator (19) is connected with computer (20), statical strain indicator (19) is in real time
Corresponding deflection is gathered, computer (20) storage is transferred to, is that further data conversion is prepared.
6. a kind of expansion grout material solidification process expansion system safety testing device according to claim 1, it is characterized in that：It is described many
The lower section of blind patch (2) sets the seal (7) of guaranteed Perforated decking (2) and slurry container (3) sealing.
7. a kind of expansion grout material solidification process expansion system safety testing device according to claim 1, it is characterized in that：The slurry
Material container (3) is that a series of internal diameters are fixed, the different steel drum of wall thickness, is changed by the change of slurry container (3) wall thickness
The radial constraint of slurry curing expansion, to obtain the deflection of slurry container (3), the bolt (6) is that a series of diameters are different
Bolt standard component, by the change of bolt (6) and then change the axial constraint that slurry curing expands.
8. a kind of expansion grout material solidification process according to the claims expands the method for testing of system safety testing device, its
It is characterized in that method of testing is carried out according to the following steps：
Step 1：Device is installed according to set constraints, and arranges axial foil gauge (8) in relevant position and tangentially should
Become piece (9), be connected into statical strain indicator (19), and be connected with computer (20) by data wire, unlatching statical strain indicator (19) and
Computer (20), the control software that opens a terminal interface；
Step 2：The pulp solution configured is injected into slurry container (3) by injection orifice (16), starched when spout hole (17) overflows
When expecting solution, that is, represent that slurry container (3) fills slurry, clogs injection orifice (16) with injection orifice vice (10), uses spout hole
Vice (11) clogs spout hole (17)；
Step 3：The reading zeroing of statical strain indicator (19), starts to gather the strain data of each foil gauge outflow, is spaced simultaneously
The reading of time T record temperature displays (15), when each group deformation data no longer changes or changes unobvious, stops data
Collection, preserves data；
Step 4：Change slurry container (3) or bolt (6) and then change constraints, 1~step 3 of repeat step draws difference
Under constraints, the real-time expansive force and temperature of slurry are expanded.
Step 5：Data conversion and processing are carried out to the data collected in step 1 to step 4.
9. a kind of method of testing for expanding grout material solidification process expansion system safety testing device according to claim 8, it is special
Levy is that data conversion in step 5 and processing are carried out according to the following steps：
Step a：Data conversion is carried out, gained strain data is tested each group and changes.Then real-time expanding radial force can be pressed
Formula is handled：Real-time axial expansion power can be handled as the following formula：Axial expansion power=
4·e2·E·r2/R2；Define, expansion rate=swell increment increase/slurry initial volume, then real-time expansion rate can be entered as the following formula
Row conversion：Wherein：
E1 is the tangential strain of slurry container (3)；
E2 is the axial strain of bolt (6)；
D is the wall thickness of slurry container (3)；
E is device material therefor Young's modulus；
M is device material therefor Poisson's ratio；
R is the internal diameter of slurry container (3)；
R is bolt (6) radius；
Step b：A series of expansive forces tested on each group after slurry curing expansion stabilization, now every group can be obtained by step a
The expansive force of experiment includes radial direction and axially two aspects, and one expansion rate of each correspondence；
Step c：It is fitted to being combined by a series of step b expansive forces obtained with expansion rate, obtains matched curve and fitting
Equation, thus can obtain expansive force when expansion rate is 0.
10. a kind of expansion grout material solidification process according to claim 8 or claim 9 expands the method for testing of system safety testing device,
It is characterized in that：Time T scope is 0.5min≤T≤10min in the step 3.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151937A (en) * | 2017-12-19 | 2018-06-12 | 太原理工大学 | A kind of test device and method for static |
| CN109459174A (en) * | 2018-12-24 | 2019-03-12 | 石家庄铁道大学 | Static breaking agent expands force test device and test method |
| CN110487640A (en) * | 2019-07-31 | 2019-11-22 | 西南石油大学 | A kind of variable diameter expansion cone experimental rig |
| CN114808989A (en) * | 2022-05-07 | 2022-07-29 | 南昌大学 | Rock structure surface pressure grouting equipment capable of adjusting filling thickness |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779085A (en) * | 1972-07-24 | 1973-12-18 | E Rice | Means and method of testing expansive concrete |
| CN2840038Y (en) * | 2005-06-10 | 2006-11-22 | 华北石油管理局 | Cement expansion analog tester |
| CN101344371A (en) * | 2008-08-26 | 2009-01-14 | 河海大学 | Device and method for measuring early age period linear deformation of cement based material |
| CN101738459A (en) * | 2010-01-25 | 2010-06-16 | 江苏博特新材料有限公司 | Expansion/shrinkage stress testing device for cement-based material |
| CN201508358U (en) * | 2009-09-23 | 2010-06-16 | 交通部公路科学研究所 | Early expansion and contraction tester of concrete road slab bottom grouting material |
| CN105928643A (en) * | 2016-04-26 | 2016-09-07 | 西南科技大学 | Bentonite two-way swelling force measuring instrument |
| CN206146863U (en) * | 2016-09-28 | 2017-05-03 | 昆明理工大学 | Inflation analysis appearance |
| CN106645627A (en) * | 2016-09-21 | 2017-05-10 | 中国矿业大学(北京) | Strain measurement method for water-absorption free expansion of coal rocks |
-
2017
- 2017-05-31 CN CN201710399344.8A patent/CN107037075B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779085A (en) * | 1972-07-24 | 1973-12-18 | E Rice | Means and method of testing expansive concrete |
| CN2840038Y (en) * | 2005-06-10 | 2006-11-22 | 华北石油管理局 | Cement expansion analog tester |
| CN101344371A (en) * | 2008-08-26 | 2009-01-14 | 河海大学 | Device and method for measuring early age period linear deformation of cement based material |
| CN201508358U (en) * | 2009-09-23 | 2010-06-16 | 交通部公路科学研究所 | Early expansion and contraction tester of concrete road slab bottom grouting material |
| CN101738459A (en) * | 2010-01-25 | 2010-06-16 | 江苏博特新材料有限公司 | Expansion/shrinkage stress testing device for cement-based material |
| CN105928643A (en) * | 2016-04-26 | 2016-09-07 | 西南科技大学 | Bentonite two-way swelling force measuring instrument |
| CN106645627A (en) * | 2016-09-21 | 2017-05-10 | 中国矿业大学(北京) | Strain measurement method for water-absorption free expansion of coal rocks |
| CN206146863U (en) * | 2016-09-28 | 2017-05-03 | 昆明理工大学 | Inflation analysis appearance |
Non-Patent Citations (2)
| Title |
|---|
| V.V.N.PRABHAKARA RAO: "《Swelling Pressure of Soil using a Predictive Tool》", 《INTERNATIONAL JOURNAL OF COMPUTER APPLICATIONS》 * |
| 刘彦伟 等: "《高性能注浆材料研究与围岩改性试验》", 《采矿与安全工程学报》 * |
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|---|---|---|---|---|
| CN108151937A (en) * | 2017-12-19 | 2018-06-12 | 太原理工大学 | A kind of test device and method for static |
| CN109459174A (en) * | 2018-12-24 | 2019-03-12 | 石家庄铁道大学 | Static breaking agent expands force test device and test method |
| CN110487640A (en) * | 2019-07-31 | 2019-11-22 | 西南石油大学 | A kind of variable diameter expansion cone experimental rig |
| CN110487640B (en) * | 2019-07-31 | 2024-04-05 | 西南石油大学 | Reducing expansion cone test device |
| CN114808989A (en) * | 2022-05-07 | 2022-07-29 | 南昌大学 | Rock structure surface pressure grouting equipment capable of adjusting filling thickness |
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