CN204630842U - A kind of Hydraulic fracturing test device - Google Patents
A kind of Hydraulic fracturing test device Download PDFInfo
- Publication number
- CN204630842U CN204630842U CN201520282152.5U CN201520282152U CN204630842U CN 204630842 U CN204630842 U CN 204630842U CN 201520282152 U CN201520282152 U CN 201520282152U CN 204630842 U CN204630842 U CN 204630842U
- Authority
- CN
- China
- Prior art keywords
- test specimen
- cover plate
- screw
- water inlet
- inlet tube
- 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 kind of Hydraulic fracturing test device, it comprises test specimen (1) and cover plate (2), described test specimen (1) is provided with incipient crack (3), the both ends of the surface of described test specimen (1) are equidistantly embedded with several screw rod (4), the upper surface of described test specimen (1) is equidistantly embedded with standing screw (5) around incipient crack (3) circle face, territory, described cover plate (2) offers several up/down perforation and the screw (6) corresponding with standing screw (5) position, the middle part of the upper end face of described cover plate (2) is welded with the water inlet tube interface (7) through with it and rising pipe interface (8), this water inlet tube interface (7) and rising pipe interface (8) are equipped with upper cover.The utility model structure is simple, closer to the stress morphology of the structures in Practical Project, ensure that concrete structure of paddling is safer and project organization is more reasonable, has very strong using value.
Description
Technical field
The utility model relates to a kind of Hydraulic fracturing test device.
Background technology
Hydraulic fracture be the earliest the 1950's oil and gas industry as the technical measures of well production increment, this technology is also widely used in geostress survey, geothermal exploitation, in the engineering field such as nuclear waste disposal and foundation stabilization, but hydraulic fracture also can cause the destruction of engineering structure, even cause disaster, as water bursting in mine and dam foundation hydraulic fracture etc.At present, about in the experimental study method of hydraulic fracture, wedge splitting test method, triaxial extension test method etc. is had.
Utility model content
The utility model object is to provide a kind of Hydraulic fracturing test device, and it can solve problem existing in background technology effectively.
In order to solve problem existing in background technology, it comprises test specimen 1 and cover plate 2, described test specimen 1 is provided with incipient crack 3, the both ends of the surface of described test specimen 1 are equidistantly embedded with several screw rod 4, the upper surface of described test specimen 1 is equidistantly embedded with standing screw 5 around circle face, territory, incipient crack 3, described cover plate 2 offers several up/down perforation and the screw 6 corresponding with standing screw 5 position, on described cover plate 2, the middle part of end face is welded with the water inlet tube interface 7 through with it and rising pipe interface 8, and this water inlet tube interface 7 and rising pipe interface 8 are equipped with upper cover.
Described test specimen 1 is with cover plate 2 when fixing, and be lined with several layers of sealing gasket 9 between test specimen 1 and cover plate 2, described sealing gasket 9 is cirque structure.
Owing to have employed above technical scheme, the utility model has following beneficial effect: structure is simple, closer to the stress morphology of the structures in Practical Project, ensure that concrete structure of paddling is safer and project organization is more reasonable, there is very strong using value.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model, below in conjunction with accompanying drawing, embodiment is briefly described.
Fig. 1 is the vertical view of concrete sample in the utility model;
Fig. 2 is the vertical view of the utility model cover plate;
Fig. 3 is the arrangenent diagram of sealing gasket in the utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment being clearly and completely described.
Embodiment 1
Referring to Fig. 1-3, a kind of Hydraulic fracturing test device, it comprises test specimen 1 and cover plate 2, described test specimen 1 is provided with incipient crack 3, the both ends of the surface of described test specimen 1 are equidistantly embedded with several screw rod 4, the upper surface of described test specimen 1 is equidistantly embedded with standing screw 5 around circle face, territory, incipient crack 3, described cover plate 2 offers several up/down perforation and the screw 6 corresponding with standing screw 5 position, on described cover plate 2, the middle part of end face is welded with the water inlet tube interface 7 through with it and rising pipe interface 8, and this water inlet tube interface 7 and rising pipe interface 8 are equipped with upper cover.
Described test specimen 1 and cover plate 2 are in same timing, and be lined with several layers of sealing gasket 9 between test specimen 1 and cover plate 2, described sealing gasket 9 is cirque structure.
Embodiment 2
Referring to Fig. 1-3, apply for the center of two ends axial tension at the long 300mm of the equidistant pre-buried diameter 25mm people of test specimen 1 both ends of the surface midline position, threaded screw rod 4, during loading, axial tension is applied to the steel plate of the thick 700mm be fixed on screw rod 4.Meanwhile, along incipient crack 3 length direction equidistantly reserved hole and internal-thread seamless steel pipe to be connected silicon pressure sensor that range is 4MPa for measuring head pressure during crack propagation;
In the upper surface of test specimen 1 around the incipient crack circle equidistant pre-buried diameter 14mm in face, territory, long 15mm, threaded screw rod eight determines seal cover board 2 for same, cover plate 2 is the steel plate of 250mm × 250mm × 20mm, weld water inlet tube interface 7 and rising pipe interface 8 above, after test specimen 1 final set, the surface polished flat around incipient crack in radius 120mm circle territory, make it lower than test specimen 1 upper surface about 15mm, polishing region is cleaned up with anhydrous alcohol, equidistantly foil gauge is pasted near tip, incipient crack 3, eight long × wide foil gauges for 10mm × 3mm are pasted in one end, it is the foil gauge four of 50mm × 3mm that the other end pastes long × wide, point tin welding thin wire 12 is on foil gauge, thin wire 502 glue are fixed on test specimen 1 surface, then, epoxide-resin glue good for mixing is evenly applied in polishing region, form smooth insulating regions, clip amplification three, instrument is placed for measuring the shift value of fracture tip by seam point in incipient crack 3 and sealing place, on epoxy resin, very thin one deck of butter cement admixture of 1: 2 is smeared in peripheral surface, then the upper thickness of pad is the circular sealing gasket four to five layers of 2mm, realize cover plate 2 fixing seal by tightening screw rod 5 with nut again.
During load application, the applying of axial tension and water pressure is realized by hydraulic pump, by realizing the control of axial tension and water pressure in conjunction with pulling force sensor and high-precision pressure gauge and direct-acting overflow valve, during test, first in incipient crack 3, fill water by the water inlet tube interface 7 on cover plate 2, rising pipe is opened during water filling toward in crack in beginning by mouth 8, is full of water rear enclosed, the cleaving process of the test specimen that pressurizeed finally by oil pressure pump in crack.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (2)
1. a Hydraulic fracturing test device, it is characterized in that it comprises test specimen (1) and cover plate (2), described test specimen (1) is provided with incipient crack (3), the both ends of the surface of described test specimen (1) are equidistantly embedded with several screw rod (4), the upper surface of described test specimen (1) is equidistantly embedded with standing screw (5) around incipient crack (3) circle face, territory, described cover plate (2) offers several up/down perforation and the screw (6) corresponding with standing screw (5) position, the middle part of the upper end face of described cover plate (2) is welded with the water inlet tube interface (7) through with it and rising pipe interface (8), this water inlet tube interface (7) and rising pipe interface (8) are equipped with upper cover.
2. a kind of Hydraulic fracturing test device according to claim 1, it is characterized in that described test specimen (1) and cover plate (2) are when fixing, be lined with several layers of sealing gasket (9) between test specimen (1) and cover plate (2), described sealing gasket (9) is cirque structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282152.5U CN204630842U (en) | 2015-04-29 | 2015-04-29 | A kind of Hydraulic fracturing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282152.5U CN204630842U (en) | 2015-04-29 | 2015-04-29 | A kind of Hydraulic fracturing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204630842U true CN204630842U (en) | 2015-09-09 |
Family
ID=54049859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520282152.5U Expired - Fee Related CN204630842U (en) | 2015-04-29 | 2015-04-29 | A kind of Hydraulic fracturing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204630842U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806700A (en) * | 2016-05-09 | 2016-07-27 | 河海大学 | Sealing device for simulating hydraulic fracture of full-graded aggregate concrete member |
| CN106442154A (en) * | 2016-09-23 | 2017-02-22 | 河海大学 | Testing device and testing method for simulating hydraulic fracture characteristic of concrete bedrock contact surface |
| CN106442153A (en) * | 2016-09-23 | 2017-02-22 | 河海大学 | Test method and test device for simulating dam heel hydraulic fracture of concrete gravity dam |
| CN106643850A (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydraulic instrument base |
| CN107036882A (en) * | 2017-03-29 | 2017-08-11 | 东北大学 | A kind of hydrostatic pressure load test small size column rock sample sealing device and method |
| CN111141599A (en) * | 2020-03-09 | 2020-05-12 | 山东科技大学 | True triaxial hydraulic fracturing test method capable of adjusting fracturing hole direction |
-
2015
- 2015-04-29 CN CN201520282152.5U patent/CN204630842U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806700A (en) * | 2016-05-09 | 2016-07-27 | 河海大学 | Sealing device for simulating hydraulic fracture of full-graded aggregate concrete member |
| CN105806700B (en) * | 2016-05-09 | 2018-05-29 | 河海大学 | A kind of sealing device for simulating fully graded concrete component hydraulic fracture |
| CN106442154A (en) * | 2016-09-23 | 2017-02-22 | 河海大学 | Testing device and testing method for simulating hydraulic fracture characteristic of concrete bedrock contact surface |
| CN106442153A (en) * | 2016-09-23 | 2017-02-22 | 河海大学 | Test method and test device for simulating dam heel hydraulic fracture of concrete gravity dam |
| CN106442154B (en) * | 2016-09-23 | 2019-02-01 | 河海大学 | Experimental rig and test method for simulation concrete basement rock contact surface hydraulic fracture characteristic |
| CN106442153B (en) * | 2016-09-23 | 2019-04-16 | 河海大学 | The experimental rig and test method of simulation concrete Dam Heel of Gravity Dam hydraulic fracture |
| CN106643850A (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydraulic instrument base |
| CN106643850B (en) * | 2016-10-27 | 2019-05-14 | 中国电建集团贵阳勘测设计研究院有限公司 | A kind of hydraulic instrument pedestal |
| CN107036882A (en) * | 2017-03-29 | 2017-08-11 | 东北大学 | A kind of hydrostatic pressure load test small size column rock sample sealing device and method |
| CN111141599A (en) * | 2020-03-09 | 2020-05-12 | 山东科技大学 | True triaxial hydraulic fracturing test method capable of adjusting fracturing hole direction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204630842U (en) | A kind of Hydraulic fracturing test device | |
| CN103698218A (en) | Simulated testing device for hydraulic fracture of concrete member under different stress conditions | |
| CN108151937B (en) | Testing device and method for static crushing agent expansion pressure | |
| CN104458532B (en) | Device and method for testing water permeability resistance of concrete joint under action of controllable lateral restriction | |
| CN102605785A (en) | Prestressing pile sealing device for statically pressed piles of anchor bars | |
| CN105352884A (en) | Experiment method and experiment member for testing bond strength of concrete and coal, rock or concrete | |
| CN106568646A (en) | FRP reinforcement tension test apparatus and test method | |
| CN203007824U (en) | Reinforcement device for underwater pier column | |
| CN102095643B (en) | Method for testing leak stopping of tunnel joint | |
| CN104181002B (en) | A kind of uniform hydraulic analogue charger for tunnel structural model test and method | |
| CN107796706A (en) | Concrete sample Hydraulic fracturing test sealing device and implementation under axial force | |
| CN202767549U (en) | Angle steel encased reinforced perfusion glue device | |
| CN207650031U (en) | Concrete sample Hydraulic fracturing test sealing device under axial force | |
| CN202644531U (en) | Pressure-preloading pile sealing device for static pressure pile of anchor rod | |
| CN108120644A (en) | The creep test device and method of duct rock sample under a kind of gas pressure | |
| CN104690665A (en) | Double-layer jig for fatigue elongation test of ordinary steel bar and prestressed steel bar, as well as mounting technique for double-layer jig | |
| CN204793243U (en) | Cable welded joint sealed protection device in aqueous | |
| CN110646583B (en) | Method and device for coal seam water injection similar simulation test | |
| CN208346789U (en) | Concrete pressure cell Embedded installation device | |
| CN219142491U (en) | Hydraulic fracturing experimental device | |
| CN205712168U (en) | A kind of highway bridge consolidation of pile device | |
| CN205786505U (en) | A kind of anchoring type sound detecting pipe | |
| CN102128750B (en) | Tunnel joint leakage stoppage test device | |
| CN204941582U (en) | A kind of prestressed anchor fixed end slurry seal sealer | |
| CN204789087U (en) | Fixed side limit embedded rock pile test 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 |
Granted publication date: 20150909 Termination date: 20210429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |