CN201408187Y - Microcomputer-controlled high-temperature expansion and penetrability determinator - Google Patents
Microcomputer-controlled high-temperature expansion and penetrability determinator Download PDFInfo
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- CN201408187Y CN201408187Y CN 200920154214 CN200920154214U CN201408187Y CN 201408187 Y CN201408187 Y CN 201408187Y CN 200920154214 CN200920154214 CN 200920154214 CN 200920154214 U CN200920154214 U CN 200920154214U CN 201408187 Y CN201408187 Y CN 201408187Y
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Abstract
The utility model belongs to a nuclear waste geological disposal experimental device, and particularly relates to a device for determining the expansion property of bentonite with different temperatures and different compacted densities. The device comprises a high constant temperature cabinet; at least a pressure chamber is arranged in the high constant temperature cabinet; each pressure chamberis connected with a water inlet measurement and control device, a water outlet measurement and control device, an expansive force measurement device, and a temperature and humidity measurement device,and is further connected with a deformation measurement device; the high constant temperature cabinet is connected with a cabinet temperature measurement device; the water inlet measurement and control device, the water outlet measurement and control device, the expansive force measurement device, the temperature and humidity measurement device, the deformation measurement device and the cabinettemperature measurement device are all connected with a data collector; and the data collector is connected with a data processor. The utility model can be used for researching the expansive force andthe permeability characteristics of the bentonite under the conditions of different temperatures, different water inlet pressures, different exhaust conditions and different compacted densities.
Description
Technical field
The utility model belongs to a kind of experimental provision of nuclear waste geological disposal, is specifically related to a kind of high temperature swelling property and perviousness analyzer that is used to measure different temperatures, the bentonitic expansion character of different compacted densities.
Background technology
The high-level waste geology treatment method is buried in stable stratum usually, and takes the measure of multi-screen barrier all around.The bentonitic clays that use as buffer, so the research to compacting bentonitic clay performance is quite extensive in the world more in the engineering barrier.At present, finished the selection work of bentonitic clay as buffer in the world substantially, the nineties begins to step into carries out long-term behaviour experimental study under many coupling conditions to the preliminary election bentonitic clay.China also is at present bentonitic clay is carried out material composition, physicochemical characteristics, basic physics and Mechanical Properties stage, adopt measuring equipments such as permeameter, consolidometer, done the experiment of the bentonitic penetration studies of some compactings, heat-conduction coefficient mensuration and bulging force.The utility model is exactly in this case, for carrying out China the preliminary election bentonitic clay is carried out expansion character and permeance property research under heat-water-many coupling conditions of Li, and the high-performance experimental instrument and equipment of complete, the system of development.
The utility model content
The purpose of this utility model provides a kind of system controlled by computer high temperature swelling property and perviousness analyzer of measuring different temperatures, different compacted density bentonitic clay performances that can be used in.
The utility model is to realize like this, system controlled by computer high temperature swelling property and perviousness analyzer, it comprises high constant temperature oven, be provided with at least one pressure chamber in the high constant temperature oven, each pressure chamber all with the water inlet measure and control device, the water outlet measure and control device, the bulging force measurement mechanism is connected with humiture measurement mechanism, the pressure chamber also is connected with strain gauge, high constant temperature oven is connected with oven temperature, degree measuring appliance, the water inlet measure and control device, the water outlet measure and control device, the bulging force measurement mechanism, humiture measurement mechanism, strain gauge all is connected with data acquisition unit with oven temperature, degree measuring appliance, and data acquisition unit is connected with data processor.
Described pressure chamber comprises base, the both sides of the lower end of base are respectively equipped with admitting pipe joint and standby hole, on the base by the pressure chamber's body that has been threaded, be provided with sample loop between base and pressure chamber's body, be provided with sample in the sample loop, the upper end of sample is provided with depression bar, the side of pressure chamber's body is respectively equipped with titting water outlet and Temperature Humidity Sensor, by the loam cake that has been threaded, be provided with pressure transducer on the top of pressure chamber's body between loam cake and pressure chamber's body, depression bar passes loam cake.
Described water inlet measure and control device comprises big water vat, one end of big water vat is connected with big water vat piston, big water vat piston is connected with reductor by leading screw, reductor is connected with servomotor, the other end of big water vat is connected with four-way hand valve, the end face of four-way hand valve is provided with pressure transducer, and four-way hand valve is connected with water trap by pipeline, and water trap is connected with pressurizing valve with a plurality of filling valves, pipeline valve by pipeline.
Described water outlet measure and control device comprises at least one four-way hand valve, four-way hand valve is connected with water vat by pipeline, and water vat is connected with piston, and piston is provided with air release, one end of piston also is connected with scrambler, and two end faces of four-way hand valve also are connected with ajutage with pressure transducer respectively.
The utility model has the advantages that, it by the high temperature pressure chamber system, advance (going out) water (gas) Measurement and Control System and parameter measurement, data acquisition and disposal system and constitute.Can be used for studying bentonite inflated power of compacting and penetration signature under different temperatures, different intake pressure, different exhaust conditions and the different compacted density conditions.Its high temperature pressure chamber system good seal performance, stability be high, in long-term (1 year) the temperature and pressure error in service continuously of high temperature less than 1%, instrument is realized the automatic control survey of multichannel data, and measurement structure is handled in real time.
Description of drawings
Fig. 1 is system controlled by computer high temperature swelling property provided by the utility model and perviousness analyzer general structure synoptic diagram;
Fig. 2 is pressure chamber structure figure;
Fig. 3 is the water feed apparatus front view;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the discharging device front view;
Fig. 6 is the left view of Fig. 5.
Among the figure, 1 base, 2 admitting pipe joints, 3 set nuts, 4 times permeable stones, 5 O-ring seals, 6 samples, 7 sample loops, 8 O-ring seals, 9 upper dankness stones, 10 depression bars, 11 titting water outlets, 12 O-ring seals, 13 pressure chamber's bodies, 14 pads, 15 set nuts, 16 loam cakes, 17 pressure transducers, 18 fixation of sensor screws, 19 set levers, 20 displacement transducer top boards, 21 displacement transducers, 22 Temperature Humidity Sensors, 23 blocked shots, 24 set levers, 25 O-ring seals, 26 standby holes, 101 scramblers, 102 little water vat pistons, 103 little water vats, 104 pipeline valves, 4,105 filling valves, 4,106 pipeline valves 3,107 filling valves, 3,108 pipeline valves, 2,109 filling valves 2,110 pipeline valves, 1,111 filling valve, 1,112 water trap 1,113 four-way hand valves, 114 pressure transducers, 115 water-filling main valves, 116 pressurization main valves, 117 leveling spiral shells, 118 water intaking valves, 119 water vats, 120 air releases, 121 big water vats, 122 big water vat pistons, 123 leading screws, 124 reductors, 125 servomotors, 126 limit switches, 127 water traps 2,128 water traps, 2 air releases, 129 water traps, 1 air release, 130 pressurizing valves 1,131 pressurizing valves, 2,132 pressurizing valves, 3,133 pressurizing valves 4,201 levelling bolts, 202 four-way hand valves, 203 water vats, 204 pistons, 205 air releases, 206 scramblers, 207 pressure transducers, 208 ajutages, the 209 hand valves that discharge water, the 210 hand valves that discharge water, the 211 hand valves that discharge water, the 212 hand valves that discharge water, 213 water outlet cylinder valves, 214 water outlet cylinder valves, 215 water outlet cylinder valves, 216 water outlet cylinder valves, 301 high constant temperature ovens, 302 pressure chambers, 303 water outlet measure and control devices, 304 water inlet measure and control devices, 305 bulging force measurement mechanisms, 306 strain gauges, 307 humiture measurement mechanisms, 308 oven temperature, degree measuring appliances, 309 data acquisition units, 310 data processors.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done detailed description:
As shown in Figure 1, it comprises high constant temperature oven 301 a kind of system controlled by computer high temperature swelling property and perviousness analyzer, be provided with at least one pressure chamber 302 in the high temperature constant temperature case 301, select 4 pressure chambers in the present embodiment, each pressure chamber 302 all with the water inlet measure and control device 304, water outlet measure and control device 303, bulging force measurement mechanism 305 is connected with humiture measurement mechanism 307, pressure chamber 302 also is connected with strain gauge 306, high constant temperature oven 301 is connected with oven temperature, degree measuring appliance 308, water inlet measure and control device 304, water outlet measure and control device 303, bulging force measurement mechanism 305, humiture measurement mechanism 307, strain gauge 306 all is connected with data acquisition unit 309 with oven temperature, degree measuring appliance 308, and data acquisition unit 309 is connected with data processor 310.
As shown in Figure 2, pressure chamber 302 comprises base 1, the both sides of the lower end of base 1 are respectively equipped with admitting pipe joint 2 and standby hole 26, on the base 1 by the pressure chamber's body 13 that has been threaded, between base 1 and pressure chamber's body 13, be provided with sample loop 7, be provided with sample 6 in the sample loop 7, the upper end of sample 6 is provided with depression bar 10, O-ring seal 12 is installed on depression bar 10, O-ring seal 12 contacts with the inwall of pressure chamber's body 13, the side of pressure chamber's body 13 is respectively equipped with titting water outlet 11 and Temperature Humidity Sensor 22, by the loam cake 16 that has been threaded, be provided with pressure transducer 17 on the top of pressure chamber's body 13 between loam cake 16 and pressure chamber's body 13, pressure transducer 17 is fixed on the loam cake 16 by fixation of sensor screw 18, depression bar 10 passes loam cake 16, and the side on the top of loam cake 16 also is equipped with set lever 19.
Principle of work: pressure chamber 302 glassware for drinking water that links to each other with water feed apparatus 304 medium and small water vats has certain pressure to enter in the base 1 by pipeline, swelled ground by the water infiltration after water how much come out to enter just can measure discharging device 303 water vats water outlet from water delivering orifice.If the valve in the pipeline is shut, to expand by depression bar 9 and pad 12 through high temperature after the infiltration of regolith water, pressure transducer 15 receives the power value signal and measures the bulging force size.Displacement transducer 21 is measured the system variant amount.
As shown in Figure 3 and Figure 4, water inlet measure and control device 304 comprises big water vat 121, one end of big water vat 121 is connected with big water vat piston 122, big water vat piston 122 is connected with reductor 124 by leading screw 123, reductor 124 is connected with servomotor 125, the other end of big water vat 121 is connected with four-way hand valve 113, the end face of four-way hand valve 113 is provided with pressure transducer 114, four-way hand valve 113 is connected with water trap 112 by pipeline, and water trap 112 is connected with pressurizing valve with a plurality of filling valves, pipeline valve by pipeline.
The principle of work of water inlet measure and control device: motor 125 reductors 124 drive leading screw and rotate, and screw links to each other with piston 122, and piston 122 is big water vat 121 water-fillings when moving right, and big water vat 121 was to four little water vat 103 water-fillings when big water vat piston 122 was moved to the left.Water in the big water vat 121 is to be added by the bucket that is connected with filling valve, if big water vat 121 has gas can open the air release venting.One on 113 two valves of four-way hand valve are to four little water vat 103 water-fillings (water-filling main valve), and another valve is to four little water vats pressurizations (pressurization main valve).Be connected the stroke that can measure piston 102 toward four little water vat pistons 102 of pressure chamber's water-filling with scrambler 101, each valve piston diameter Ф 16 calculates the aquifer yield of each little water vat 103.In the water trap 112 and 127 air release is arranged, can exit when gas is arranged.Can turn off when all having separately valve not need water-filling in each little water vat pipeline.Pressure transducer 114 can be measured into little water vat 103 pressure of water by converting.
As shown in Figure 5 and Figure 6, water outlet measure and control device 303 comprises a four-way hand valve 202, four-way hand valve 202 is connected with water vat 203 by pipeline, water vat 203 is connected with piston 204, piston 204 is provided with air release 205, one end of piston 204 also is connected with scrambler 206, and two end faces of four-way hand valve 202 also are connected with ajutage 208 with pressure transducer 207 respectively.
The principle of work of water outlet measure and control device: enter after water comes out from each pressure chamber 302 separately go out water vat 203, move up after (Ф 6) water is full of in piston 204 holes and open air release 205 gas is emitted, piston 204 upper ends are connected with scrambler 206, and how many water vat 203 diameter Ф 18 can calculate the water yield.On the four-way hand valve 202 pressure transducer 207 is installed, the hand valve 209 that discharges water, water outlet cylinder valve door 213.
The utility model is under many coupling conditions of research, and system controlled by computer is measured the instrument and equipment of buffer expansion character and permeance property.Instrument by the high temperature pressure chamber system, advance (going out) water (gas) Measurement and Control System and parameter measurement, data acquisition and disposal system and constitute.Can be used for studying bentonite inflated power of compacting and penetration signature under different temperatures, different intake pressure, different exhaust conditions and the different compacted density conditions.
This device has distinct technical characterstic: high temperature pressure chamber system good seal performance, stability be high, in long-term (1 year) the temperature and pressure error in service continuously of high temperature less than 1%.Measure and adopt international advanced technology and latest domestic achievement in research (20Mpa pressure chamber, stress deformation＜0.1%, control bentonitic clay distortion＜1%) combines, four road bulging forces (measurement range 0-20Mpa＜1-10Mpa 〉, Measurement Resolution 0.0005Mpa＜0.0002Mpa 〉, measuring accuracy 1%), four road inflows (capacity 300ml, can continue water), four road aquifer yield (0-1Kg, measuring accuracy 1%) and water outlet pressure (0-1Mpa, measuring accuracy 1%), (temperature 0-120 ℃ of four tunnel humiture, humidity 0-100%), two-way bentonitic clay distortion (0-2mm high temperature differential transformer, measuring accuracy 1%CF), one tunnel water system pressure (0-2Mpa, Measurement Resolution 0.0001Mpa), one road calorstat temperature (room temperature to 120 ℃, 0.1 ℃ of control temperature variation) is realized data automatic measuring control and is manually surveyed and read.
The principle of work of this device is: the water that has certain pressure in the water feed apparatus enters the pressure chamber by pipeline, water is penetrated in the bentonitic clay sample, by the sample water-swellable after the water infiltration, act on pressure transducer by depression bar etc., its signal that receives just can be measured the bulging force value; Measure the system variant amount by displacement transducer, remove the deflection of pressure chamber, can draw bentonitic deflection.Water be penetrated into treat in the bentonitic clay sample its saturated after, just come out to enter to measure in the water vat of discharging device what of the water yield by the pressure chamber.The measurement data serial sends to computing machine and carries out data processing, by calculating bentonite inflated power of compacting and the infiltration coefficient under different temperatures, different intake pressure, different exhaust conditions and the different compacted density conditions, set up the bulging force model of high compacting buffer under many coupling conditions by theoretical and numerical analysis.
At first, the buffer sample utilizing the sample compaction tool to make is placed on sample position in the high temperature pressure chamber.Depression bar is put into the pressure chamber, and fix upper pressure seat and pressure chamber's body, install pressure transducer, displacement transducer and temperature (wetting) degree sensor.Then, the pressure chamber system is put into high-temperature cabinet, the pressure chamber system respectively with advance (going out) water gaging control system and parameter measurement, data acquisition and disposal system (measurement switch board) and couple together on request.By bottom, the pressure chamber saturated bentonitic clay sample of intaking, sample is met high-water expansion by water infiltration back, and by effects such as depression bars, pressure transducer receives signal and measures the bulging force value; Measure the system variant amount by displacement transducer.When changing various test condition, can measure the expansion characteristics of different temperatures, different intake pressure, different exhaust conditions and different compacted density buffer samples item by item.And set up buffer bulging force model on this basis.
Claims (4)
1. system controlled by computer high temperature swelling property and perviousness analyzer, it is characterized in that: it comprises high constant temperature oven (301), be provided with at least one pressure chamber (302) in the high constant temperature oven (301), each pressure chamber (302) all with the water inlet measure and control device (304), water outlet measure and control device (303), bulging force measurement mechanism (305) is connected with humiture measurement mechanism (307), pressure chamber (302) also is connected with strain gauge (306), high constant temperature oven (301) is connected with oven temperature, degree measuring appliance (308), water inlet measure and control device (304), water outlet measure and control device (303), bulging force measurement mechanism (305), humiture measurement mechanism (307), strain gauge (306) all is connected with data acquisition unit (309) with oven temperature, degree measuring appliance (308), and data acquisition unit (309) is connected with data processor (310).
2. system controlled by computer high temperature swelling property as claimed in claim 1 and perviousness analyzer, it is characterized in that: described pressure chamber comprises base (1), the both sides of the lower end of base (1) are respectively equipped with admitting pipe joint (2) and standby hole (26), base (1) is gone up by the pressure chamber's body (13) that has been threaded, between base (1) and pressure chamber's body (13), be provided with sample loop (7), be provided with sample (6) in the sample loop (7), on the sample (6), following two ends are respectively equipped with, following permeable stone (4,9), the upper end of upper dankness stone (9) is provided with depression bar (10), the side of pressure chamber's body (13) is respectively equipped with titting water outlet (11) and Temperature Humidity Sensor (22), on the top of pressure chamber's body (13) by the loam cake that has been threaded (16), be provided with pressure transducer (17) between loam cake (16) and pressure chamber's body (13), depression bar (10) passes loam cake (16).
3. system controlled by computer high temperature swelling property as claimed in claim 1 and perviousness analyzer, it is characterized in that: described water inlet measure and control device comprises big water vat (121), one end of big water vat (121) is connected with big water vat piston (122), big water vat piston (122) is connected with reductor (24) by leading screw (123), reductor (24) is connected with servomotor (125), the other end of big water vat (121) is connected with four-way hand valve (113), the end face of four-way hand valve (113) is provided with pressure transducer (114), four-way hand valve (113) is connected with water trap (112) by pipeline, and water trap (112) is by pipeline and a plurality of filling valve, the pipeline valve is connected with pressurizing valve.
4. system controlled by computer high temperature swelling property as claimed in claim 1 and perviousness analyzer, it is characterized in that: described water outlet measure and control device comprises at least one four-way hand valve (202), four-way hand valve (202) is connected with water vat (203) by pipeline, water vat (203) is connected with piston (204), piston (204) is provided with air release (205), one end of piston (204) also is connected with scrambler (206), and two end faces of four-way hand valve (202) also are connected with ajutage (208) with pressure transducer (207) respectively.
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| CN 200920154214 CN201408187Y (en) | 2009-05-14 | 2009-05-14 | Microcomputer-controlled high-temperature expansion and penetrability determinator |
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| CN 200920154214 CN201408187Y (en) | 2009-05-14 | 2009-05-14 | Microcomputer-controlled high-temperature expansion and penetrability determinator |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806747A (en) * | 2010-03-05 | 2010-08-18 | 华中科技大学 | Methylene blue adsorption testing method of bentonite |
| CN102221600A (en) * | 2011-06-03 | 2011-10-19 | 同济大学 | Expansion force and saturated permeation multifunctional tester |
| CN102252951A (en) * | 2011-07-14 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | High-temperature fractured rock mass permeation test device and method |
| CN102735800A (en) * | 2012-06-27 | 2012-10-17 | 兰州大学 | Measurement apparatus for swelling force change of buffer backfill material along with water absorption change, and measurement method thereof |
| CN102809641A (en) * | 2012-07-11 | 2012-12-05 | 西安理工大学 | Undisturbed soil sample expansion force testing device capable of controlling saturation |
| CN104865131A (en) * | 2015-04-21 | 2015-08-26 | 同济大学 | Bentonite hydraulic fracturing feature determination device |
| CN106290112A (en) * | 2016-09-12 | 2017-01-04 | 吉林大学 | A kind of soil permeability detection device |
| CN106770428A (en) * | 2016-12-15 | 2017-05-31 | 安徽理工大学 | A kind of dual control temperature soil expansion analyzer |
| CN106769419A (en) * | 2017-02-22 | 2017-05-31 | 中国矿业大学 | A kind of bentonitic expansive force experimental rig and method of testing |
| CN106932281A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of operational monitoring method for padded coaming multi- scenarios method performance test |
| CN107656035A (en) * | 2017-11-13 | 2018-02-02 | 中国科学院武汉岩土力学研究所 | Infiltration and wetness control experimental rig |
| CN108693020A (en) * | 2017-04-07 | 2018-10-23 | 核工业北京地质研究院 | A kind of padded coaming expansive force and saturation test method |
| CN108956414A (en) * | 2018-04-25 | 2018-12-07 | 长安大学 | A kind of sponge urban biology is detained facility model experimental rig and method |
| CN109187213A (en) * | 2018-09-21 | 2019-01-11 | 同济大学 | Concrete-high-pressure solid bentonite combined system condition simulation experiment method and device |
| CN109975168A (en) * | 2017-12-28 | 2019-07-05 | 核工业北京地质研究院 | A kind of padded coaming gas permeability coefficient test method |
| WO2020237604A1 (en) * | 2019-05-30 | 2020-12-03 | 王瑞 | Self-moving sediment interstitial water collection device |
| CN112432887A (en) * | 2020-11-10 | 2021-03-02 | 海鹰企业集团有限责任公司 | Method for testing water vapor transmission rate of high polymer material under pressure condition |
| CN114353736A (en) * | 2022-01-05 | 2022-04-15 | 中国人民解放军63653部队 | Method for testing free expansion rate of compacted bentonite |
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2009
- 2009-05-14 CN CN 200920154214 patent/CN201408187Y/en not_active Expired - Lifetime
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| CN101806747A (en) * | 2010-03-05 | 2010-08-18 | 华中科技大学 | Methylene blue adsorption testing method of bentonite |
| CN102221600A (en) * | 2011-06-03 | 2011-10-19 | 同济大学 | Expansion force and saturated permeation multifunctional tester |
| CN102252951A (en) * | 2011-07-14 | 2011-11-23 | 中国科学院武汉岩土力学研究所 | High-temperature fractured rock mass permeation test device and method |
| CN102735800A (en) * | 2012-06-27 | 2012-10-17 | 兰州大学 | Measurement apparatus for swelling force change of buffer backfill material along with water absorption change, and measurement method thereof |
| CN102809641A (en) * | 2012-07-11 | 2012-12-05 | 西安理工大学 | Undisturbed soil sample expansion force testing device capable of controlling saturation |
| CN102809641B (en) * | 2012-07-11 | 2014-11-26 | 西安理工大学 | Undisturbed soil sample expansion force testing device capable of controlling saturation |
| CN104865131A (en) * | 2015-04-21 | 2015-08-26 | 同济大学 | Bentonite hydraulic fracturing feature determination device |
| CN104865131B (en) * | 2015-04-21 | 2017-11-07 | 同济大学 | A kind of measure device of bentonite hydraulic fracture characteristic |
| CN106932281A (en) * | 2015-12-30 | 2017-07-07 | 核工业北京地质研究院 | A kind of operational monitoring method for padded coaming multi- scenarios method performance test |
| CN106932281B (en) * | 2015-12-30 | 2019-05-17 | 核工业北京地质研究院 | A kind of operational monitoring method for padded coaming multi- scenarios method performance test |
| CN106290112B (en) * | 2016-09-12 | 2019-08-13 | 吉林大学 | A kind of soil permeability detection device |
| CN106290112A (en) * | 2016-09-12 | 2017-01-04 | 吉林大学 | A kind of soil permeability detection device |
| CN106770428A (en) * | 2016-12-15 | 2017-05-31 | 安徽理工大学 | A kind of dual control temperature soil expansion analyzer |
| CN106769419A (en) * | 2017-02-22 | 2017-05-31 | 中国矿业大学 | A kind of bentonitic expansive force experimental rig and method of testing |
| CN108693020A (en) * | 2017-04-07 | 2018-10-23 | 核工业北京地质研究院 | A kind of padded coaming expansive force and saturation test method |
| CN107656035A (en) * | 2017-11-13 | 2018-02-02 | 中国科学院武汉岩土力学研究所 | Infiltration and wetness control experimental rig |
| CN107656035B (en) * | 2017-11-13 | 2024-04-02 | 中国科学院武汉岩土力学研究所 | Permeation and humidity diffusion test device |
| CN109975168A (en) * | 2017-12-28 | 2019-07-05 | 核工业北京地质研究院 | A kind of padded coaming gas permeability coefficient test method |
| CN108956414A (en) * | 2018-04-25 | 2018-12-07 | 长安大学 | A kind of sponge urban biology is detained facility model experimental rig and method |
| CN109187213B (en) * | 2018-09-21 | 2021-07-02 | 同济大学 | Performance simulation test method and device for concrete-high compaction bentonite combined system |
| CN109187213A (en) * | 2018-09-21 | 2019-01-11 | 同济大学 | Concrete-high-pressure solid bentonite combined system condition simulation experiment method and device |
| WO2020237604A1 (en) * | 2019-05-30 | 2020-12-03 | 王瑞 | Self-moving sediment interstitial water collection device |
| CN112432887A (en) * | 2020-11-10 | 2021-03-02 | 海鹰企业集团有限责任公司 | Method for testing water vapor transmission rate of high polymer material under pressure condition |
| CN112432887B (en) * | 2020-11-10 | 2022-11-11 | 海鹰企业集团有限责任公司 | Method for testing water vapor transmission rate of high polymer material under pressure condition |
| CN114353736A (en) * | 2022-01-05 | 2022-04-15 | 中国人民解放军63653部队 | Method for testing free expansion rate of compacted bentonite |
| CN114353736B (en) * | 2022-01-05 | 2023-08-18 | 中国人民解放军63653部队 | Method for testing free expansion rate of compacted bentonite |
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