CN205209936U - Prepare and seepage flow device of rock fracture - Google Patents
Prepare and seepage flow device of rock fracture Download PDFInfo
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- CN205209936U CN205209936U CN201521062678.9U CN201521062678U CN205209936U CN 205209936 U CN205209936 U CN 205209936U CN 201521062678 U CN201521062678 U CN 201521062678U CN 205209936 U CN205209936 U CN 205209936U
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- pressure head
- arc pressure
- rock
- arc
- rock sample
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Abstract
The utility model discloses a prepare and seepage flow device of rock fracture, including arc pressure head system, the test piece system, loading system, loading system includes the reaction frame, the load cylinder, movable cross beam, movable cross beam sets up in the reaction frame, the load cylinder is fixed at the reaction frame top, the load cylinder links to each other with movable cross beam, arc pressure head system includes first arc pressure head and second arc pressure head, the lower extreme at movable cross beam is fixed to first arc pressure head, second arc pressure head is fixed in the reaction frame bottom, the test piece system includes rock test piece and the hot pipe of moulding, the rock test piece inserts and puts between first arc pressure head and second arc pressure head, the outer parcel of rock test piece has heat to mould the pipe. The utility model discloses a rock test piece inserts and puts between first arc pressure head and second arc pressure head in the device, adopts the mode of arc contact to prepare the rock fracture for load cambered surface and the closely laminating of test piece side, it really is the crack that the crack of producing is more pressed close to.
Description
Technical field
The utility model relates to engineering geology technical field, particularly the producing and seepage apparatus of a kind of rock fracture.
Background technology
The complex dielectrics often run in the various engineerings such as crack rock is Hydraulic and Hydro-Power Engineering, mining engineering, railway and highway construction project, civil engineering, petroleum engineering, seafari and Development Engineering, the percolation law of rock fracture is forward position and the heat subject of rock mechanics worker research all the time.
Prior art makes rock sample produce through crack by diametral compression test or artificial slot, but prior art produce rock fracture and there is many difference in initial fissure, as diametral compression test produces two sillars, two sillars are closed up, thus formation rock fracture, the rock fracture face obtained by diametral compression test is smoothly clean, not containing rock debris, there is larger difference between the rock fracture of therefore this method acquisition and real rock fracture.Secondly the rock fracture produced by the method for artificial slot is too desirable, cannot the complicacy in simulation rock crack.For the seepage apparatus of rock fracture, prior art for be ready-made existing rock fracture seepage apparatus, to rock fracture formed overall process in seepage apparatus and test method there is not yet.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of can obtain producing and seepage apparatus of the rock fracture of the rock fracture comprising rock debris.
The technical scheme that the utility model solves the problem is: producing and seepage apparatus of a kind of rock fracture, comprise arc pressurized head systems, sample system, loading system, described loading system comprises reaction frame, load cylinder, moving beam, described moving beam is horizontally installed in reaction frame also can be close to the slip of reaction frame inwall, described load cylinder is fixed on the top of reaction frame, load cylinder is connected with moving beam upper end, described arc pressurized head systems comprises the first arc pressure head and the second arc pressure head, first arc pressure head is fixed on moving beam lower end, second arc pressure head is fixed on the bottom of reaction frame, and the arcwall face of the first arc pressure head and the second arc pressure head is oppositely arranged, described sample system comprises rock sample and thermoplastic tube, described rock sample is laterally folded between the first arc pressure head and the second arc pressure head, rock sample is wrapped with thermoplastic tube.
Above-mentioned rock fracture produce with in seepage apparatus, be provided with pressure transducer between described first arc pressure head and moving beam.
Above-mentioned rock fracture produce with in seepage apparatus, be provided with displacement transducer between described first arc pressure head and the second arc pressure head.
Above-mentioned rock fracture produce with in seepage apparatus, described rock sample is right cylinder test specimen, and one end of thermoplastic tube is concordant with one end of rock sample, and the other end of thermoplastic tube stretches out the end face of the rock sample other end.
Producing of above-mentioned rock fracture also comprises Flow Measuring System with seepage apparatus, Flow Measuring System comprises measuring cup and electronic balance, described measuring cup to be placed on electronic balance and just to the concordant end of rock sample with thermoplastic tube, fills water body in the space that thermoplastic tube stretches out rock sample.
The beneficial effects of the utility model are:
1, device of the present utility model is provided with the first arc pressure head and the second arc pressure head, the arcwall face of the first arc pressure head and the second arc pressure head is oppositely arranged, rock sample is folded between the first arc pressure head and the second arc pressure head, the mode of arc contact is adopted to produce rock fracture, loading cambered surface and test specimen side are fitted tightly, and it is really crack that the crack of producing more is pressed close to.
2, device of the present utility model is wrapped with thermoplastic tube at rock sample, can avoid the loss of rock debris, and obtain the rock fracture comprising rock debris, rock fracture and the true rock fracture of acquisition are more close.
3, the present invention adopts water body filling thermoplastic tube to stretch out the space of rock sample, measures the change of the discharge in the overall process of rock fracture formation, thus obtains the seepage characteristic in rock fracture formation overall process, has filled up the blank of prior art.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the structural representation of the first arc pressure head in Fig. 1.
Fig. 3 is the structural representation of thermoplastic tube in Fig. 1.
Fig. 4 is that the device of the utility model when carrying out seepage tests places schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1-Figure 3, producing and seepage apparatus of a kind of rock fracture, comprise arc pressurized head systems, sample system, loading system and Flow Measuring System, described loading system comprises reaction frame 1, load cylinder 2, moving beam 3, described moving beam 3 is horizontally installed in reaction frame 1 also can be close to the slip of reaction frame 1 inwall, described load cylinder 2 is fixed on the top of reaction frame 1, load cylinder 2 is connected with moving beam 3 upper end, by the stroke of controller controlled loading oil cylinder 2, described arc pressurized head systems comprises the first arc pressure head 4 and the second arc pressure head 5, first arc pressure head 4 is fixed by bolts to moving beam 3 lower end, pressure transducer 8 is provided with between first arc pressure head 4 and moving beam 3, second arc pressure head 5 is fixed by bolts to the bottom of reaction frame 1, and the arcwall face 9 of the first arc pressure head 4 and the second arc pressure head 5 is oppositely arranged, displacement transducer 10 is provided with between first arc pressure head 4 and the second arc pressure head 5, described sample system comprises cylindrical rock sample 6 and thermoplastic tube 7, described rock sample 6 is laterally folded between the first arc pressure head 4 and the second arc pressure head 5, rock sample 6 is wrapped with thermoplastic tube 7, one end of thermoplastic tube 7 is concordant with one end of rock sample 6, the other end of thermoplastic tube 7 stretches out the end face of rock sample 6 other end, filling water body 11 in the space that thermoplastic tube 7 stretches out rock sample 6, described Flow Measuring System comprises measuring cup 12 and electronic balance 13, described measuring cup 12 to be placed on electronic balance 13 and just to the concordant end of rock sample 6 with thermoplastic tube 7.
A kind of test method of rock fracture seepage characteristic: comprise the following steps:
(1) be that to be wrapped in diameter be 50mm to 250mm thermoplastic tube 7 by length, it is highly the side of the right cylinder rock sample 6 of 100mm, the lower end of thermoplastic tube 7 flushes with the bottom of rock sample 6, the upper surface of rock sample 6 is stretched out in the upper end of thermoplastic tube 7, and the spatial interpolation stretching out rock sample 6 in thermoplastic tube 7 enters the waddy 15 identical with rock sample 6 diameter;
(2) with heat gun to thermoplastic tube 7 homogeneous heating, homogeneous heating is carried out at the position that thermoplastic tube 7 wraps up rock sample 6, guarantee that thermoplastic tube 7 is heated evenly contraction, and be close to the side of rock sample 6, mild heat is carried out at the position that thermoplastic tube 7 wraps up waddy 15, to ensure thermoplastic tube 7 heat shrinkable contact waddy 15 side; After thermoplastic tube 7 cools, waddy 15 is taken out, consistent with the bore not wrapping up rock sample 6 position exposed to guarantee the bore that thermoplastic tube 7 wraps up rock sample 6 position;
(3) arc pressurized head systems and loading system are connected, then reaction frame 1 is inverted, the rock sample 6 being enclosed with thermoplastic tube 7 is vertically positioned on a cushion block, and in the middle of the arcwall face being placed in the first arc pressure head 4, second arc pressure head 5, wherein thermoplastic tube 7 stretches out one end of rock sample 6 upward, stretches out the space of rock sample 6 by water body 11 filling thermoplastic tube 7;
(4) by the loading speed of 0.05mm/s, load cylinder 2 pairs of moving beams 3 load, moving beam 3 drives the first arc pressure head 4 to move to the second arc pressure head 5, contact between the first arc pressure head 4, second arc pressure head 5 and thermoplastic tube 7 reaches 5.0N, stop loading, taken away by cushion block under rock sample 6, place measuring cup 12 and electronic balance 13 at the bottom part down of rock sample 6, measuring cup 12 is placed on electronic balance 13; Load mode is changed into power control, loading speed is set to 2N/s, reloads; Pressure transducer 8 and displacement transducer 10 recorded data is recorded in loading procedure, and make pressure force-displacement curve, when pressing force-displacement curve generation to fall, stop test at once, now rock fracture 14 produces from the middle part of rock sample 6, rock fracture is wrapped in thermoplastic tube 7, and its rock debris is also contained in rock fracture 14;
(5) after producing crack, in loading procedure, the water body 11 by rock fracture collected by the measuring cup 12 of the below of rock sample 6, records the Changing Pattern of water body 11 weight with electronic balance 13, thus calculate the flow of water outlet, obtain the seepage characteristic in rock fracture forming process.
Claims (5)
1. the producing and seepage apparatus an of rock fracture, it is characterized in that: comprise arc pressurized head systems, sample system, loading system, described loading system comprises reaction frame, load cylinder, moving beam, described moving beam is horizontally installed in reaction frame also can be close to the slip of reaction frame inwall, described load cylinder is fixed on the top of reaction frame, load cylinder is connected with moving beam upper end, described arc pressurized head systems comprises the first arc pressure head and the second arc pressure head, first arc pressure head is fixed on moving beam lower end, second arc pressure head is fixed on the bottom of reaction frame, and the arcwall face of the first arc pressure head and the second arc pressure head is oppositely arranged, described sample system comprises rock sample and thermoplastic tube, described rock sample is laterally folded between the first arc pressure head and the second arc pressure head, rock sample is wrapped with thermoplastic tube.
2. the producing and seepage apparatus of rock fracture according to claim 1, is characterized in that: be provided with pressure transducer between described first arc pressure head and moving beam.
3. the producing and seepage apparatus of rock fracture according to claim 2, is characterized in that: be provided with displacement transducer between described first arc pressure head and the second arc pressure head.
4. the producing and seepage apparatus of rock fracture according to claim 3, it is characterized in that: described rock sample is right cylinder test specimen, and one end of thermoplastic tube is concordant with one end of rock sample, the other end of thermoplastic tube stretches out the end face of the rock sample other end.
5. the producing and seepage apparatus of rock fracture according to claim 4, it is characterized in that: also comprise Flow Measuring System, Flow Measuring System comprises measuring cup and electronic balance, described measuring cup to be placed on electronic balance and just to the concordant end of rock sample with thermoplastic tube, fills water body in the space that thermoplastic tube stretches out rock sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062678.9U CN205209936U (en) | 2015-12-20 | 2015-12-20 | Prepare and seepage flow device of rock fracture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062678.9U CN205209936U (en) | 2015-12-20 | 2015-12-20 | Prepare and seepage flow device of rock fracture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205209936U true CN205209936U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062678.9U Expired - Fee Related CN205209936U (en) | 2015-12-20 | 2015-12-20 | Prepare and seepage flow device of rock fracture |
Country Status (1)
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| CN (1) | CN205209936U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388098A (en) * | 2015-12-20 | 2016-03-09 | 湖南科技大学 | Rock fracture preparation and seepage device and seepage characteristic test method |
| CN106442256A (en) * | 2016-09-07 | 2017-02-22 | 吉林大学 | Assembled and detachable type in-situ test device for seepage of a fractured rock mass |
| CN107290192A (en) * | 2017-07-26 | 2017-10-24 | 湖南科技大学 | A kind of device and method of work for being used to produce the penetrating crack of rock sample |
-
2015
- 2015-12-20 CN CN201521062678.9U patent/CN205209936U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388098A (en) * | 2015-12-20 | 2016-03-09 | 湖南科技大学 | Rock fracture preparation and seepage device and seepage characteristic test method |
| CN105388098B (en) * | 2015-12-20 | 2018-01-02 | 湖南科技大学 | A kind of test method produced with seepage apparatus and seepage characteristic of rock fracture |
| CN106442256A (en) * | 2016-09-07 | 2017-02-22 | 吉林大学 | Assembled and detachable type in-situ test device for seepage of a fractured rock mass |
| CN106442256B (en) * | 2016-09-07 | 2018-10-12 | 吉林大学 | A kind of in-situ test device of composable, detachable Flow In Jointed Rock Masses |
| CN107290192A (en) * | 2017-07-26 | 2017-10-24 | 湖南科技大学 | A kind of device and method of work for being used to produce the penetrating crack of rock sample |
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| Date | Code | Title | Description |
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| 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: 20160504 Termination date: 20181220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |