CN203241325U - Portable device for water-pressure test in situ - Google Patents
Portable device for water-pressure test in situ Download PDFInfo
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- CN203241325U CN203241325U CN201320196524.3U CN201320196524U CN203241325U CN 203241325 U CN203241325 U CN 203241325U CN 201320196524 U CN201320196524 U CN 201320196524U CN 203241325 U CN203241325 U CN 203241325U
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Abstract
The utility model relates to a portable device for a water-pressure test in situ. The portable device comprises a main machine system, a power supply system, a water supply system and a blocking system, wherein the power supply system supplies power for the main machine system, the water supply system and the blocking system; and the water supply system supplies water for the blocking system; the blocking system extends in a geologic structure surface to measure and transmits measured data to the main machine system. The device has the advantages of light structure and simplicity and convenience in assembly, the working intensity of field operating personnel is greatly reduced, the safety of the operating personnel during field operation can be effectively assured, and the service life of instruments is prolonged.
Description
Technical field
The utility model relates to a kind of original position packer permeability test mancarried device, especially a kind of permeability parameters in-site detecting that can be used for numerous form geologic structure faces such as rock cranny (wall scroll, many, intersection), compact district, joint, fault belt, simultaneously the original position packer permeability test mancarried device of the permeability parameters measurement of the field geological materials such as suitable cohesive soil, sandy soil, gravel and concrete.
Background technology
The existence of geologic structure face causes making a clear distinction between good and evil of geology between each unit of rock mass, mechanics, water regime in the rock mass.Shop experiment and case history have proved that all there is the gap on the order of magnitude in the infiltration coefficient of rock mass and sillar, and " Permeability of rock is mainly determined by the perviousness of its inner structure face " become the generally acknowledged fact of rock mechanics and engineering circle.Can think in a way: the rock mass permeability parameters is that its inner all kinds of structural plane permeability parameters make up under certain judgment criteria and give birth to.Therefore being determined at of all kinds of geologic structure face permeability parameters occupies important fundamental position in the Permeability of rock evaluation.
The in-situ test of geologic structure face permeability parameters has single embolism and two embolism packer permeability test usually at present.Yet this type of test only can be obtained all structural plane overall penetration parameters of fields water injection section, not for the single structure face, has not therefore solved a seepage characteristic quantitatively characterizing difficult problem single, the decussate texture face; In addition, above-mentioned test is high to the airtight performance requirement of embolism, so that the equipment set manufacturing process is complicated, operating process is loaded down with trivial details, cost is costly, has limited applying of embolism test on a large scale.Therefore, it is all kinds of single or intersect the simple and easy measuring equipment of geology structural plane Penetration Signature that development one cover is intended to quantitatively characterizing, and regional Rock Seepage Character quantitative evaluation and hydrogeological characteristics research are all had important engineering using value.
Summary of the invention
Technical problem to be solved in the utility model is: only can obtain all structural plane overall penetration parameters of fields water injection section for existing in-situ test, not for the single structure face, therefore do not solved a seepage characteristic quantitatively characterizing difficult problem single, the decussate texture face, and existing in-situ test is high to the airtight performance requirement of embolism, so that the equipment set manufacturing process is complicated, operating process is loaded down with trivial details, cost is costly, the difficult problems such as applying of embolism test have been limited on a large scale.
The technical scheme that the utility model is taked is:
A kind of original position packer permeability test mancarried device comprises host computer system, electric power system, water system and plugging system; Electric power system is to host computer system, water system and plugging system power supply, and water system supplies water to plugging system, plugging system extend into measure in the geologic structure face and with the data transmission measured to host computer system;
Wherein, plugging system comprises sensor detecting system and at least four gas bag units that series connection arranges; Described gas bag unit comprises airbag wall, O-ring seal, sealing empennage, rigidity latch closure, air supply pipe and feed pipe; O-ring seal is contained in the outside surface of airbag wall, and the stiffening ring spiral-lock is at the two ends of airbag wall, and the sealing empennage is contained in an end of airbag wall; Air supply pipe runs through simultaneously the sealing empennage and links to each other by sealing fastener with the rigidity latch closure and at the through part with sealing empennage and rigidity latch closure; Described sensor detecting system links to each other with host computer system;
Host computer system comprises casing; Described casing is provided with pressure controlling button and seepage pressure vernier adjustment knob.
Host computer system also comprises gas-holder, air compressor; Gas-holder and air compressor all are contained in the casing; The bottom of described gas-holder is provided with freeing port; The outside surface of described casing is provided with slot and port.
For real-time monitored record sensing data, the utility model also comprises the display panel that is arranged on the box outer surface.
Water system comprises electromagnetic flowmeter and the water-vapor exchange chamber of at least one; Described water-vapor exchange chamber links to each other with gas-holder in the host computer system by air supply pipe, and the water-vapor exchange chamber links to each other with an end of electromagnetic flowmeter by feed pipe, and the other end of electromagnetic flowmeter links to each other with feed pipe in the plugging system.
The water-vapor exchange chamber is hollow box body, and its upper surface is provided with inlet valve, air-supplying valve and air pressure safety-valve; The bottom of water-vapor exchange chamber is provided with flowing water Valve and water pressure safety valve; Described air-supplying valve links to each other with gas-holder by air supply pipe, and flowing water Valve links to each other with an end of electromagnetic flowmeter by feed pipe.
Link to each other by connecting link between each gas bag unit.
Sensor detecting system comprises data line connecting link, Three pressures sensor and a temperature sensor; Described data line connecting link runs through connecting link and runs through simultaneously four gas bag units, the Three pressures sensor lays respectively on the data line connecting link between two adjacent gas bag units, and temperature sensor is on the data line connecting link between the second gas bag unit and the 3rd gas bag unit.
In order to guide gas bag unit to sink along the wall of a borehole exactly, the utility model also comprises guide cone, and described guide cone links to each other with the gas bag unit of least significant end; Realize the specific aim test of ad hoc structure face for accurate location drilling inner structure face, the dynamically recording of opening width evolution process can be used for the test findings checking under the effect of ad hoc structure face high water head, the utility model also comprises lighting device and camera head, and described lighting device and camera head are all on the data line connecting link between the second gas bag unit and the 3rd gas bag unit.
In order to pressurize and pressure release to inside air bag timely, air supply pipe described in the utility model is provided with gas port; For more favourable shutoff packer permeability test test section, airbag wall of the present utility model is two arc annular air-pocket walls.
Beneficial effect
The utility model is compared with prior art: 1, this device spy joins power conversion equipment.The test electric power source can freely change between alternator and direct-flow storage battery, and the alternator power supply time can carry out the charging of direct-flow storage battery, thereby realizes the efficient combination utilization of two kinds of electric power source.2, this apparatus structure is light and handy, and simple and convenient assembly significantly reduces field work personnel working strength.3, this installs distinctive shutoff air bag, and its pressure and temperature sensor be by computer test software Real Time Monitoring air bag shutoff sealing situation, effective guarantee the stable regulation and control of multistage high pressure.4, indoor hydraulic pressure, air pressure and temperature sensor and the rule established of the water-vapor exchange of this device realized liquid fluctuating real time record in the switch room.5, this device has additional hold-down support, and quick fixation balloon device is demarcated the test section position, conveniently puts pipeline in order, and the Effective Raise conventional efficient shortens test period.6, this device has the gain protection equipment of high-pressure water head and high-pressure air source.But effective guarantee operator safety during field work improves instrument serviceable life.
Description of drawings
Fig. 1 is structural plan of the present utility model.
Fig. 2 is the structure cut-open view of the utility model plugging system.
Fig. 3 is the structure cut-open view of gas bag unit of the present utility model.
Fig. 4 is that the A of Fig. 3 is to view.
Fig. 5 is the inner structure synoptic diagram of the utility model host computer system.
Fig. 6 is the structural representation of the utility model water-vapor exchange chamber.
Fig. 7 is the structural representation of the utility model support.
Embodiment
For content of the present utility model is become apparent more, be further described below in conjunction with accompanying drawing 1-accompanying drawing 7 and embodiment.
Fig. 1 is structural plan of the present utility model, as shown in Figure 1, original position packer permeability test mancarried device of the present utility model and test method comprise two water-vapor exchange chambers 27, host computer system 38, electric power system (power supply) 39, plugging system 41, bearing 33 and treatment facility 45.Power supply is powered to host computer system 38, water-vapor exchange chamber 27 and plugging system 41, and water-vapor exchange chamber 27 supplies water for plugging system 41, plugging system 41 extend into measure in the geologic structure face and with the data transmission measured in host computer system 38; Bearing 33 is arranged on the top in geologic structure planar survey hole, and bearing 33 links to each other with plugging system 41, is used for adjusting the degree of depth that plugging system 41 enters measured hole.
Electric power system of the present utility model 39 is for adopting any in following two kinds of power supply modes:
Mode one: generator powered; Mode two: storage battery power supply.Generally, by a 2000W/220V(50Hz) generator power and the electric power of field work are provided, in emergency circumstances replaceablely carry out smoothly to ensure test for standby battery provides temporary source.
Fig. 2 is the structure cut-open view of the utility model plugging system, as shown in Figure 2, plugging system 41 of the present utility model comprises gas bag unit, sensor detecting system, guide cone 19, lighting device 5 and the camera head 6 that four series connection arrange, when it is arranged vertically, according to from top to bottom, each corresponding function in gas bag unit position is followed successively by and detects air bag E, setting-out air bag F, setting-out air bag F and detect air bag E; Above-mentioned layout is divided into three sections with crack rock structural plane water pressure test in borehole zone, according to being followed successively by from top to bottom upper setting-out detection segment B, packer permeability test section C and lower setting-out detection segment G.Link to each other by connecting link 9 between four gas bag units.Air supply pipe 8 in every adjacent two gas bag units is connected corresponding connection with feed pipe.
Sensor detecting system comprises data line connecting link 20, Three pressures sensor 3 and a temperature sensor 4; Described data line connecting link 20 runs through connecting link 9 and runs through simultaneously four gas bag units, Three pressures sensor 3 lays respectively on the data line connecting link 20 between two adjacent gas bag units, and temperature sensor 4 is on the data line connecting link 20 between the second gas bag unit and the 3rd gas bag unit.
Lighting device 5 is provided with LED lamp device, and LED lamp device 5 and camera head 6 are arranged in the packer permeability test section, is connected with the data line connecting link by device interface, and device interface is fixing in the sealing of data line connecting link fluting riveted.
Fig. 3 is the structure cut-open view of gas bag unit of the present utility model, and as shown in Figure 3, gas bag unit of the present utility model comprises airbag wall 14, O-ring seal 15, sealing empennage 11, rigidity latch closure 12, air supply pipe 8 and feed pipe 7.O-ring seal 15 is contained in the outside surface of airbag wall 14, and rigidity latch closure 12 is contained in the two ends of airbag wall 14, and sealing empennage 11 is contained in an end of airbag wall 14; Air supply pipe 8 runs through simultaneously sealing empennage 11 and links to each other by sealing fastener 18 with rigidity latch closure 12 and at the through part with sealing empennage 11 and rigidity latch closure 12.
Air bag one end is provided with sealing empennage 11, and setting-out when test is because of Water Pressure self sealss boring crag.Sealing empennage 11 is pasted by the backing plate of sealing fastener 18 is fastening with rigidity latch closure 12.Air bag wall ear 13 is fastening by mechanical riveted with rigidity latch closure 12.
Fig. 5 is the inner structure synoptic diagram of the utility model host computer system, and as shown in Figure 5, host computer system 38 of the present utility model comprises casing 21, gas-holder 22, air compressor 23; Gas-holder 22 all is contained in the casing 21 with air compressor 23; The bottom of described gas-holder 22 is provided with freeing port 23; The outside surface of described casing 21 is provided with slot and port.Described slot is used for linking to each other with the external data winding displacement, and port links to each other with the treatment facility 45 of outside, be used for each sensing data of Real-time Collection, regulate and control original pressure, record Changing Pattern, finally calculate permeability parameters and draw correlogram.
The treatment facility 45 that the utility model adopts is notebook computer.
The gas-holder 22 of the utility model host computer system 38 interior employings is high pressure tank of the prior art, and its concrete structure the utility model is not described in detail.
The air compressor 23 of the utility model host computer system 38 interior employings is air compressor of the prior art, and its concrete structure the utility model is not described in detail.
The utility model host computer system 38 also comprises the equipment such as pressure controlling, data demonstration, steady temperature heat radiation and gas leakage leakage protection.Wherein on pressure controlling setting and the cabinet panel, comprise pressure controlling button and the seepage pressure vernier adjustment knob of the gas bag unit in the plugging system, be used for manually regulation and control output pressure.Data are shown as the display panel that is arranged on casing 21 outside surfaces, and described display panel is glimmering pipe digital display, are used for real-time monitored record sensing data.Read angle the best for the survey that makes glimmering pipe digital display tube panel and reduce simultaneously the reading error that open-air direct light causes as far as possible, cabinet panel is made the half range surface level along the form that connects the half range inclined-plane, measuring instrument is concentrated and is placed on about 30～45 ° skewback of the gradient; The equipment such as the steady temperature heat radiation in the casing 21 and the leakage protection that leaks gas that are arranged on comprise current inverter, electric current voltage stabilizer, micro-control integrated device and air pressure safety-valve.Other is equipped with Rubber shock-absorbing pad, is used for improving host work stability, and the vibration when reducing the compressor operation is disturbed.
Fig. 6 is the structural representation of the utility model water-vapor exchange chamber, and as shown in Figure 6, water-vapor exchange chamber 27 is hollow box body, and its upper surface is provided with inlet valve 28, air-supplying valve 29 and air pressure safety-valve 32; The bottom of water-vapor exchange chamber 27 is provided with flowing water Valve 30 and water pressure safety valve 31; Described air-supplying valve 29 links to each other with gas-holder 26 by air supply pipe, and flowing water Valve 30 links to each other with an end of electromagnetic flowmeter 26 by feed pipe.The hollow box body that adopt water-vapor exchange chamber 27 is high temperature resistant, high pressure and explosion-proof transparent resin material are made, and the two side of its casing respectively arranges one group of rule 46, is convenient to the field observation record of real-time seepage flow, two groups mutually contrast and can reduce reading error.Upper box lid and the lower box lid of water-vapor exchange chamber 27 adopt high-strength steel sheet to make, thickness 2.5cm, the upper box lid is connected with lower box and connects stubborn being solidly connected of the solid rigidity round bar of employing ￠ 2cm screw thread, and totally 6 of rigidity solid round rod are 60 ° and are arranged between upper box lid and the lower box lid.Electromagnetic flowmeter 26 adopts the flowmeter of two kinds of ranges of height access way in parallel, can freely choose suitable range according to structural plane type to be measured and carry out test; Water pressure safety valve 31 and air pressure safety-valve 32 are for the protection of operating personnel and instrument safety.
For so that using whether level of the on-the-spot placement of being convenient to detect water-vapor exchange chamber 27, the upper box cap surface of water-vapor exchange of the present utility model chamber 27 is provided with three groups of spirit bubbles 42, and described three groups of spirit bubbles are 120 ° of angles between any two.
Fig. 7 is the structural representation of the utility model bearing, as shown in Figure 7.Bearing 33 of the present utility model comprises shaft collar 34 and at least two s' telescopic outrigger 35; The utility model adopts the structure of three telescopic outriggers; Three circular holes have been laid with on the described shaft collar 34; Described three circular holes are positioned on the same circumference.Described three telescopic outriggers 35 run through respectively three circular holes.Three telescopic outriggers 35 fixedly are to realize by three fixed pins 36 that are arranged on shaft collar 34 lateral surfaces with shaft collar 34.
Adopt this device to carry out the test method of geologic structure face permeability parameters original position fields water injection test, its concrete step is as described below:
A, equipment are installed and preliminary debugging; Each parts of the present utility model connect complete, start power switch, and gas-holder 22 superchargings treat that gas-holder 22 pressure stop supercharging when reaching 1Mpa; Whether tighten relevant pipe fitting inspection with plugging cap after each the gas bag unit inflation in the plugging system leaks gas; In water-vapor exchange chamber 27, fill with water, check whether each air supply pipe 8, feed pipe 7, water tubular union, tracheae web member be airtight; Check the digital display screen panel leds and show whether data are unusual; Check whether normal notebook computer is connected with host computer system 38; Check whether each safety valve and switch be normal.
Structural plane to be measured location in b, the hole; Bearing 33 is fixed in the top of measuring the aperture, plugging system 41 is slowly transferred to position to be measured in the geologic structure planar survey hole by bearing 33, open simultaneously built-in LED illuminating lamp and miniature according to camera head, survey the geologic structure face of carefully searching in the image with the boring meet at the hole wall of computer synchronous presenting, record structural plane form to be measured and stuff feature according to camera head, Position Scale is surveyed note structural plane position, the positioning plugging gas bag unit, hydraulic pressure sensor 3 is surveyed head in the note hole after waiting simultaneously stable level, the current water temperature of temperature sensor 4 records.
C, to be measured section osmotic pressure adjustment of plugging system; Seepage pressure vernier adjustment knob on the manual main tank 21 is set to be measured section osmotic pressure numerical value; This process should notice that each sensor values changes, and the testing software in the treatment facility (notebook computer) is to each sensor feedback analysis of information collection, and dynamic gain compensation hand is established osmotic pressure, thereby guarantees that osmotic pressure satisfies testing requirements.
D, on-test, data recording; Open the flowing water Valve 30 of steam switch room 27, set initial setting-out time, data acquiring frequency in the testing software in treatment facility (notebook computer), water-vapor exchange chamber 27 is loaded seepage pressure, and gained test figure automatically record is stored in testing software.
E, to be measured section osmotic pressure of conversion plugging system repeat d, e step;
F, the test complete, discharge degree; After the off-test, close the flowing water Valve 30 of water-vapor exchange chamber 27, the seepage pressure vernier adjustment knob on the rotation main tank 21 unloads osmotic pressure; After pressure to be infiltrated made zero, the pressure controlling button on the rotation main tank 21 unloaded the pressure in the gas bag unit; Air bag is unscrewed the fixed pin 36 on the bearing 33 after pressing and making zero, and promotes feed pipe 7, air supply pipe 8 and plugging system parts.
G, close electrical source of power, open the air pressure relief valve of host computer system, unloading gas-holder 22 pressure, after making zero, the freeing port 23 of opening the bottom of gas-holder 22 is discharged and is compressed and liquefied condensate water, splits each system unit by step, the packing cartonning.
Claims (9)
1. an original position packer permeability test mancarried device is characterized in that, comprises host computer system (38), electric power system (39), water system (40) and plugging system (41); Electric power system (39) is to host computer system (38), water system (40) and plugging system (41) power supply, water system (40) supplies water for plugging system (41), plugging system (41) extend into measure in the geologic structure face and with the data transmission measured to host computer system (38);
Wherein, plugging system (41) comprises sensor detecting system and at least four gas bag units that series connection arranges; Described gas bag unit comprises airbag wall (14), O-ring seal (15), sealing empennage (11), rigidity latch closure (12), air supply pipe (8) and feed pipe (7); O-ring seal (15) is contained in the outside surface of airbag wall (14), and rigidity latch closure (12) is contained in the two ends of airbag wall (14), and sealing empennage (11) is contained in an end of airbag wall (14); Air supply pipe (8) runs through simultaneously sealing empennage (11) and links to each other by sealing fastener (18) with rigidity latch closure (12) and at the through part with sealing empennage (11) and rigidity latch closure (12); Described sensor detecting system links to each other with host computer system (38);
Host computer system (38) comprises casing (21); Described casing (21) is provided with pressure controlling button and seepage pressure vernier adjustment knob;
Water system (40) comprises at least one water-vapor exchange chamber (27); Described water-vapor exchange chamber (27) is provided with flowing water Valve (30).
2. original position packer permeability test mancarried device as claimed in claim 1 is characterized in that, host computer system (38) also comprises gas-holder (22), air compressor (23); Gas-holder (22) all is contained in the casing (21) with air compressor (23); The bottom of described gas-holder (22) is provided with freeing port (24); The outside surface of described casing (21) is provided with slot and port.
3. original position packer permeability test mancarried device as claimed in claim 2 is characterized in that, also comprises the display panel that is arranged on casing (21) outside surface.
4. original position packer permeability test mancarried device as claimed in claim 1 is characterized in that, water system (40) also comprises electromagnetic flowmeter (26); Described water-vapor exchange chamber (27) links to each other by the interior gas-holder (22) of air supply pipe (8) and host computer system, and water-vapor exchange chamber (27) link to each other with an end of electromagnetic flowmeter (26) by feed pipe (7), and the interior feed pipe (7) of the other end of electromagnetic flowmeter (26) and plugging system (41) links to each other.
5. original position packer permeability test mancarried device as claimed in claim 4 is characterized in that, described water-vapor exchange chamber (27) is hollow box body, and its upper surface is provided with inlet valve (28), air-supplying valve (29) and air pressure safety-valve (32); The bottom of water-vapor exchange chamber (27) is provided with water pressure safety valve (31); Described air-supplying valve (29) links to each other with gas-holder (22) by air supply pipe, and flowing water Valve (30) links to each other with an end of electromagnetic flowmeter (26) by feed pipe (7).
6. original position packer permeability test mancarried device as claimed in claim 1 is characterized in that, links to each other by connecting link (9) between described each gas bag unit.
7. original position packer permeability test mancarried device as claimed in claim 1 is characterized in that, described sensor detecting system comprises data line connecting link (20), Three pressures sensor (3) and a temperature sensor (4); Described data line connecting link (20) runs through connecting link (9) and runs through simultaneously four gas bag units, Three pressures sensor (3) lays respectively on the data line connecting link (20) between two adjacent gas bag units, and temperature sensor (4) is on the data line connecting link (20) between the second gas bag unit and the 3rd gas bag unit.
8. original position packer permeability test mancarried device as claimed in claim 1 is characterized in that, also comprises guide cone (19), lighting device (5) and camera head (6), and described guide cone (19) links to each other with the gas bag unit of least significant end; Described lighting device (5) and camera head (6) are all on the data line connecting link (20) between the second gas bag unit and the 3rd gas bag unit.
9. original position packer permeability test mancarried device as claimed in claim 1 is characterized in that, described air supply pipe (8) is provided with gas port (16); Described airbag wall (14) is two arc annular air-pocket walls.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320196524.3U CN203241325U (en) | 2013-04-17 | 2013-04-17 | Portable device for water-pressure test in situ |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320196524.3U CN203241325U (en) | 2013-04-17 | 2013-04-17 | Portable device for water-pressure test in situ |
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| CN201320196524.3U Expired - Fee Related CN203241325U (en) | 2013-04-17 | 2013-04-17 | Portable device for water-pressure test in situ |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103196800A (en) * | 2013-04-17 | 2013-07-10 | 南京大学 | Structural plane transmission coefficient determining method and test device |
| CN103527179A (en) * | 2013-10-28 | 2014-01-22 | 中国水电顾问集团中南勘测设计研究院有限公司 | Drill-hole high-pressure water pump-in test loading system |
| CN103940724A (en) * | 2014-05-05 | 2014-07-23 | 中铁第四勘察设计院集团有限公司 | Site drainage performance test method for retaining engineering reversed filter |
| CN106932041A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of water pressure test in borehole multistage flow high precision measuring device and method |
| CN107014734A (en) * | 2017-05-16 | 2017-08-04 | 山东大学 | One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method |
| CN107144471A (en) * | 2017-05-19 | 2017-09-08 | 山东大学 | A kind of pressure-bearing solution cavity Water hydraulic static pressure loading sealing device and method for model test |
| CN109540768A (en) * | 2019-01-22 | 2019-03-29 | 南京大学 | A kind of packer permeability test system in situ for specific fissure-plane hydraulic aperture |
| CN109991142A (en) * | 2017-12-30 | 2019-07-09 | 中国人民解放军63653部队 | Earth-boring airtightness in-situ detection method |
| WO2021103372A1 (en) * | 2019-11-28 | 2021-06-03 | 山东科技大学 | Mobile rapid coal rock permeability measuring instrument |
| CN114737551A (en) * | 2022-05-05 | 2022-07-12 | 中国有色金属工业昆明勘察设计研究院有限公司 | Karst area low ground water level ultra-deep high pressure water pressing experimental device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196800A (en) * | 2013-04-17 | 2013-07-10 | 南京大学 | Structural plane transmission coefficient determining method and test device |
| CN103527179A (en) * | 2013-10-28 | 2014-01-22 | 中国水电顾问集团中南勘测设计研究院有限公司 | Drill-hole high-pressure water pump-in test loading system |
| CN103527179B (en) * | 2013-10-28 | 2016-07-06 | 中国电建集团中南勘测设计研究院有限公司 | A kind of HIGH-PRESSURE INJECTION EXPERIMENT loading system |
| CN103940724A (en) * | 2014-05-05 | 2014-07-23 | 中铁第四勘察设计院集团有限公司 | Site drainage performance test method for retaining engineering reversed filter |
| CN106932041B (en) * | 2015-12-30 | 2019-07-12 | 核工业北京地质研究院 | A kind of water pressure test in borehole multistage flow high precision measuring device and method |
| CN106932041A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of water pressure test in borehole multistage flow high precision measuring device and method |
| CN107014734A (en) * | 2017-05-16 | 2017-08-04 | 山东大学 | One kind is used for tunnel surrounding internal penetration device for pressure measurement and measuring method |
| CN107144471A (en) * | 2017-05-19 | 2017-09-08 | 山东大学 | A kind of pressure-bearing solution cavity Water hydraulic static pressure loading sealing device and method for model test |
| CN109991142A (en) * | 2017-12-30 | 2019-07-09 | 中国人民解放军63653部队 | Earth-boring airtightness in-situ detection method |
| CN109540768A (en) * | 2019-01-22 | 2019-03-29 | 南京大学 | A kind of packer permeability test system in situ for specific fissure-plane hydraulic aperture |
| WO2021103372A1 (en) * | 2019-11-28 | 2021-06-03 | 山东科技大学 | Mobile rapid coal rock permeability measuring instrument |
| CN114737551A (en) * | 2022-05-05 | 2022-07-12 | 中国有色金属工业昆明勘察设计研究院有限公司 | Karst area low ground water level ultra-deep high pressure water pressing experimental device |
| CN114737551B (en) * | 2022-05-05 | 2022-11-08 | 中国有色金属工业昆明勘察设计研究院有限公司 | Karst area low groundwater level ultra-deep high pressure pressurized water experimental apparatus |
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