CN108693020A - A kind of padded coaming expansive force and saturation test method - Google Patents
A kind of padded coaming expansive force and saturation test method Download PDFInfo
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- CN108693020A CN108693020A CN201710223918.6A CN201710223918A CN108693020A CN 108693020 A CN108693020 A CN 108693020A CN 201710223918 A CN201710223918 A CN 201710223918A CN 108693020 A CN108693020 A CN 108693020A
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- 238000010998 test method Methods 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 48
- 230000035699 permeability Effects 0.000 claims abstract description 11
- 238000002474 experimental method Methods 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000008961 swelling Effects 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 9
- 230000006641 stabilisation Effects 0.000 claims description 8
- 238000011105 stabilization Methods 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 7
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000002927 high level radioactive waste Substances 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009375 geological disposal Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000012669 compression test Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the expansion of high-level waste geology treatment padded coaming and permeability test research fields, and in particular to a kind of padded coaming expansive force and saturation experimental rig and method;The purpose of the present invention is, for prior art deficiency, a kind of bentonitic expansion of acquisition padded coaming and permeance property parameter are provided, a kind of padded coaming expansive force and saturation test method that parameter foundation is provided are designed for Deep Geological Disposal of High-level Radioactive Wastes library and engineering barrier;The beneficial effects of the invention are as follows:(1) bentonitic expansive force measures under the conditions of capable of realizing constant volume;(2) expansive force of sample and permeance property test under different temperatures and exhaust conditions may be implemented;(3) expansive force and saturation permeability coefficient can be carried out simultaneously to same sample to test, easy to operate, measure convenient, test result precision is high.
Description
Technical field
The invention belongs to the expansion of high-level waste geology treatment padded coaming and permeability test research fields, and in particular to a kind of
Padded coaming expansive force and saturation test method.
Background technology
Important component of the padded coaming as multibarrier system in disposition library, plays engineering barrier and hydraulics screen
The effect of barrier.In high level radioactive waste repository, the bentonite as padded coaming should be closed between disposition library country rock and dedicated waste tanks
Gap and near field country rock crack, alleviate effect of the pressure from surrounding rock to dedicated waste tanks in stratum again, therefore both needed certain
Expansive force need to have certain dilatancy ability again, it is necessary to the bentonitic expansion character of padded coaming is ground
Study carefully.
Underground water is the load that the principal element for causing dedicated waste tanks to corrode and high-level waste are leaked to disposition library free surrounding space
Body.Padded coaming plays the weight of hydraulics barrier as last road artificial barrier being filled between dedicated waste tanks and geologic body
Act on, prevent underground water (corrosive deposit may be contained) flow to dedicated waste tanks surface, while prevent dedicated waste tanks water soluble compounds and
In Nuclides Leakage to country rock, it is therefore necessary to grasp the bentonitic Penetration Signature of padded coaming.
Expansive force is that the soil body fully absorbs water in the case where not allowing lateral deformation, its holding is made not occur vertically to expand required apply
Maximum pressure value.I.e. expansive force is the maximum internal stress that soil body sample is generated in constancy of volume due to water swelling.It is swollen
It is measured there are mainly three types of bentonitic expansive force test methods in expansive force experiment, is free wxpansion-compression test method, load respectively
Expansion-compression test method(s) and constant volume test method(s), experimental measured result and theory analysis, constant volume test method(s) measure
Expansive force is more moderate.
Padded coaming is a kind of unsaturated soil with high-expansion, and permeance property generally refers to unsaturation permeability
It can be with saturation performance.In high level radioactive waste repository operational process, the padded coaming starting stage is in unsaturated state, if
Reach saturation after dry year.For the padded coaming of low osmotic medium, using its infiltration of conventional soil test normative testing
Coefficient, time-consuming, low precision, it is difficult to meet testing requirement.
The present invention is directed to the padded coaming bentonite of highly expanded and low osmotic medium, is oozed using the high-temperature expansion of independent research
The saturating instrument testing equipment (patent No.:ZL200920154214.9), establish a kind of while expansive force and saturation can be measured
The test method of coefficient.
Invention content
The object of the present invention is in view of the shortcomings of the prior art, provide that a kind of acquisitions padded coaming is bentonitic to be expanded and ooze
Saturating performance parameter, for Deep Geological Disposal of High-level Radioactive Wastes library and engineering barrier design provide parameter foundation a kind of padded coaming expansion
Power and saturation test method.
The technical scheme is that:
A kind of padded coaming expansive force and saturation test method, include the following steps:
Step 1, sample preparation
Step 1.1 is calculated and is weighed the bentonite of corrresponding quality by parameters such as scheduled dry density and volumes, poured into compacting
Mold;
Step 1.2 prepares test specimen using uniaxial static(al) pressing mode, at the same measure the quality of test specimen, height and
Diameter calculates the true dry density of test specimen;
Step 2, sample installation
Permeable stone is placed in the groove of balancing gate pit by step 2.1, is sequentially placed test specimen and permeable stone;
Pressure sensor and balancing gate pit are fastenedly connected by step 2.2, are integrally put into experiment casing;
The inlet tube and outlet tube in each channel is connected on the corresponding water-in and water-out pipe fitting in balancing gate pit by step 2.3.
Step 3, sample test
Step 3.1 opens data collecting system, all test parameters of start recording in advance;
Step 3.2 sets experiment casing to room temperature environment, opens loading device, and setting intake pressure is 0.01MPa, note
Expansive force versus time curve is recorded, when expansive force remains unchanged in 24 hours, the expansive force recorded at this time is the sample
Maximum swelling power;
After step 3.3 reaches maximum swelling power, setting intake pressure is 1MPa and keeps pressure stability, proceeds by saturation
Permeability test opens water outlet measuring equipment, while recording the water-in and water-out pressure and water of sample, after water yield stabilization, foundation
Darcy's law calculates its infiltration coefficient;
Similarly, the temperature of experiment casing can be arranged, testing experiment sample is not after expansive force changes and stablizes in step 3.4
Expansive force under the conditions of synthermal;Also the temperature of experiment casing can be set, and measuring and calculation test specimen exists after water yield stabilization
Saturation permeability coefficient under condition of different temperatures;
After step 3.5 is to be tested, dismantling experiment, the microstructure change of the front and back sample of analysis experiment.
The beneficial effects of the invention are as follows:
(1) a kind of padded coaming expansive force of the invention and saturation test method, under the conditions of capable of realizing constant volume
Bentonitic expansive force measures;
(2) a kind of padded coaming expansive force of the invention and saturation test method, may be implemented different temperatures and row
The expansive force of sample and permeance property test under the conditions of gas;
(3) a kind of padded coaming expansive force of the invention and saturation test method, can carry out same sample simultaneously
Expansive force and saturation permeability coefficient test, easy to operate, measure convenient, test result precision is high.
Description of the drawings
Fig. 1 is a kind of padded coaming expansive force and the test device schematic diagram of saturation test method.
In figure:1- loading devices, 2- permeable stones, 3- test specimens, the balancing gate pits 4-, 5- sensors, 6- experiment casings, 7- go out
Water measuring equipment.
Specific implementation mode
The present invention is further introduced with embodiment below in conjunction with the accompanying drawings:
A kind of padded coaming expansive force and saturation test method, include the following steps:
Step 1, sample preparation
Step 1.1 is calculated and is weighed the bentonite of corrresponding quality by parameters such as scheduled dry density and volumes, poured into compacting
Mold;
Step 1.2 prepares test specimen 3 using uniaxial static(al) pressing mode, while measuring the quality of test specimen 3, height
And diameter, calculate the true dry density of test specimen 3;
Step 2, sample installation
Permeable stone 2 is placed in the groove of balancing gate pit 4 by step 2.1, is sequentially placed test specimen 3 and permeable stone 2;
Pressure sensor 5 and balancing gate pit 4 are fastenedly connected by step 2.2, are integrally put into experiment casing 6;
The inlet tube and outlet tube in each channel is connected on 4 corresponding water-in and water-out pipe fitting of balancing gate pit by step 2.3.
Step 3, sample test
Step 3.1 opens data collecting system, all test parameters of start recording in advance;
Step 3.2 sets experiment casing to room temperature environment, opens loading device 1, and setting intake pressure is 0.01MPa,
Expansive force versus time curve is recorded, when expansive force remains unchanged in 24 hours, the expansive force recorded at this time is the examination
The maximum swelling power of sample;
After step 3.3 reaches maximum swelling power, setting intake pressure is 1MPa and keeps pressure stability, proceeds by saturation
Permeability test opens water outlet measuring equipment 7, while recording the water-in and water-out pressure and water of sample, after water yield stabilization, according to
Its infiltration coefficient is calculated according to Darcy's law;
Similarly, the temperature of experiment casing 6 can be arranged, testing experiment sample 3 exists after expansive force changes and stablizes in step 3.4
Expansive force under condition of different temperatures;Also can the temperature of experiment casing 6, measuring and calculation test sample be set after water yield stabilization
Saturation permeability coefficient of the product 3 under condition of different temperatures;
After step 3.5 is to be tested, dismantling experiment, the microstructure change of the front and back sample of analysis experiment.
Specific embodiment:
Step 1, sample preparation
Step 1.1 presses scheduled dry density (such as 1.7g/cm3) and volume (such as Φ 50mm × 10mm) parameter, it calculates simultaneously
The bentonite for weighing corrresponding quality, pours into compaction tool;
Step 1.2 prepares test specimen 3 using uniaxial static(al) pressing mode, while measuring the quality of test specimen 3, height
And diameter, calculate the true dry density of test specimen 3;
Step 2, sample installation
Permeable stone 2 is placed in the groove of balancing gate pit 4 by step 2.1, is sequentially placed test specimen 3 and permeable stone 2;
Pressure sensor 5 and balancing gate pit 4 are fastenedly connected by step 2.2, are integrally put into experiment casing 6;
The inlet tube and outlet tube in each channel is connected on 4 corresponding water-in and water-out pipe fitting of balancing gate pit by step 2.3.
Step 3, sample test
Step 3.1 opens data collecting system, all test parameters of start recording in advance;
Step 3.2 sets experiment casing to room temperature environment (such as 20 DEG C), opens loading device 1, and setting intake pressure is
0.01MPa records expansive force versus time curve, when expansive force remains unchanged in 24 hours, records expansion at this time
Power is the maximum swelling power of the sample;
After step 3.3 reaches maximum swelling power, setting intake pressure is 1MPa and keeps pressure stability, proceeds by saturation
Permeability test opens water outlet measuring equipment 7, while recording the water-in and water-out pressure and water of sample, after water yield stabilization, according to
Its infiltration coefficient is calculated according to Darcy's law;
Step 3.4 similarly, can reset the temperature (such as 30 DEG C) of experiment casing 6, test after expansive force changes and stablizes
Expansive force of the test specimen 3 under the conditions of 30 DEG C, when expansive force when remaining unchanged within 24 hours, the expansive force recorded at this time is 30
Maximum swelling power under the conditions of DEG C;Meanwhile the experiment of the saturation under the conditions of 30 DEG C is proceeded by, water outlet measuring equipment 7 is opened,
After water yield stabilization, its infiltration coefficient under the conditions of 30 DEG C is calculated according to Darcy's law;Can be pushed into successively with class 40 DEG C, 50
DEG C, 60 DEG C, 70 DEG C, 80 DEG C and 90 DEG C etc., can get the expansive force and infiltration coefficient under condition of different temperatures.
After step 3.5 is to be tested, dismantling experiment, the microstructure change of the front and back sample of analysis experiment.
Claims (1)
1. a kind of padded coaming expansive force and saturation test method, it is characterised in that:Include the following steps:
Step 1, sample preparation
Step 1.1 is calculated and is weighed the bentonite of corrresponding quality by parameters such as scheduled dry density and volumes, poured into compacting mould
Tool;
Step 1.2 prepares test specimen (3) using uniaxial static(al) pressing mode, while measuring the quality of test specimen (3), height
And diameter, calculate the true dry density of test specimen (3);
Step 2, sample installation
Permeable stone (2) is placed in the groove of balancing gate pit (4) by step 2.1, is sequentially placed test specimen (3) and permeable stone (2);
Pressure sensor (5) and balancing gate pit (4) are fastenedly connected by step 2.2, are integrally put into experiment casing (6);
The inlet tube and outlet tube in each channel is connected on the corresponding water-in and water-out pipe fitting in balancing gate pit (4) by step 2.3.
Step 3, sample test
Step 3.1 opens data collecting system, all test parameters of start recording in advance;
Step 3.2 sets experiment casing to room temperature environment, opens loading device (1), and setting intake pressure is 0.01MPa, note
Expansive force versus time curve is recorded, when expansive force remains unchanged in 24 hours, the expansive force recorded at this time is the sample
Maximum swelling power;
After step 3.3 reaches maximum swelling power, setting intake pressure is 1MPa and keeps pressure stability, proceeds by saturation
Experiment opens water outlet measuring equipment (7), while recording the water-in and water-out pressure and water of sample, after water yield stabilization, foundation
Darcy's law calculates its infiltration coefficient;
Step 3.4 similarly, can be after expansive force changes and stablizes, and the temperature of setting experiment casing (6), testing experiment sample (3) exists
Expansive force under condition of different temperatures;Also can be after water yield stabilization, the temperature of setting experiment casing (6), measuring and calculation experiment
Saturation permeability coefficient of the sample (3) under condition of different temperatures;
After step 3.5 is to be tested, dismantling experiment, the microstructure change of the front and back sample of analysis experiment.
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| CN201710223918.6A CN108693020A (en) | 2017-04-07 | 2017-04-07 | A kind of padded coaming expansive force and saturation test method |
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| CN201710223918.6A CN108693020A (en) | 2017-04-07 | 2017-04-07 | A kind of padded coaming expansive force and saturation test method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655599A (en) * | 2018-12-04 | 2019-04-19 | 三峡大学 | A kind of bentonite inflated power of high-pressure solid-infiltration coupling test instrument and its application method |
| CN111610313A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing combined joint healing effect of buffer material building blocks |
| CN111610315A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Bentonite building block single seam healing effect testing device and method |
| CN111610314A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing healing effect of buffer backfill material of high-level disposal warehouse |
| CN112036028A (en) * | 2020-08-28 | 2020-12-04 | 东华理工大学 | Method for evaluating disposal reservoir stability based on clay bentonite buffer backfill system homogenization model |
| CN113686754A (en) * | 2021-09-14 | 2021-11-23 | 中国科学院武汉岩土力学研究所 | Sample penetration testing method based on irradiation-stress coupling effect |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064753A1 (en) * | 1981-05-12 | 1982-11-17 | Georg Fischer Aktiengesellschaft | Sand testing apparatus |
| CN201408187Y (en) * | 2009-05-14 | 2010-02-17 | 核工业北京地质研究院 | Microcomputer-controlled high-temperature expansion and penetrability determinator |
| CN201945541U (en) * | 2011-01-13 | 2011-08-24 | 东华理工大学 | Osmosis-expansion force coupling test device for clay |
| CN102221600A (en) * | 2011-06-03 | 2011-10-19 | 同济大学 | Expansion force and saturated permeation multifunctional tester |
-
2017
- 2017-04-07 CN CN201710223918.6A patent/CN108693020A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064753A1 (en) * | 1981-05-12 | 1982-11-17 | Georg Fischer Aktiengesellschaft | Sand testing apparatus |
| CN201408187Y (en) * | 2009-05-14 | 2010-02-17 | 核工业北京地质研究院 | Microcomputer-controlled high-temperature expansion and penetrability determinator |
| CN201945541U (en) * | 2011-01-13 | 2011-08-24 | 东华理工大学 | Osmosis-expansion force coupling test device for clay |
| CN102221600A (en) * | 2011-06-03 | 2011-10-19 | 同济大学 | Expansion force and saturated permeation multifunctional tester |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655599A (en) * | 2018-12-04 | 2019-04-19 | 三峡大学 | A kind of bentonite inflated power of high-pressure solid-infiltration coupling test instrument and its application method |
| CN111610313A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing combined joint healing effect of buffer material building blocks |
| CN111610315A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Bentonite building block single seam healing effect testing device and method |
| CN111610314A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing healing effect of buffer backfill material of high-level disposal warehouse |
| CN111610314B (en) * | 2020-07-03 | 2022-07-22 | 核工业北京地质研究院 | Device and method for testing healing effect of buffer backfill material of high-level disposal warehouse |
| CN111610313B (en) * | 2020-07-03 | 2022-07-22 | 核工业北京地质研究院 | Buffer material building block combination joint healing effect testing device and method |
| CN112036028A (en) * | 2020-08-28 | 2020-12-04 | 东华理工大学 | Method for evaluating disposal reservoir stability based on clay bentonite buffer backfill system homogenization model |
| CN112036028B (en) * | 2020-08-28 | 2023-05-09 | 东华理工大学 | High-level waste disposal warehouse bentonite homogenization model and stability evaluation method |
| CN113686754A (en) * | 2021-09-14 | 2021-11-23 | 中国科学院武汉岩土力学研究所 | Sample penetration testing method based on irradiation-stress coupling effect |
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Application publication date: 20181023 |