CN203798706U - Unsaturated soil body fixed water head vertical osmosis measurement device - Google Patents
Unsaturated soil body fixed water head vertical osmosis measurement device Download PDFInfo
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- CN203798706U CN203798706U CN201420094764.7U CN201420094764U CN203798706U CN 203798706 U CN203798706 U CN 203798706U CN 201420094764 U CN201420094764 U CN 201420094764U CN 203798706 U CN203798706 U CN 203798706U
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Abstract
The utility model relates to an unsaturated soil body fixed water head vertical osmosis measurement device which is characterized by comprising a bottle plug (1), a water collecting bottle (2), a first exhaust hole (3), a second exhaust hole (4), a third exhaust hole (5), a first valve (6), a second valve (7), a third valve (8), a fourth valve (9), a fifth valve (10), a water tank (11), a fixed bolt (12), a rotating shaft (13), a pressure frame (14), a weight (15), a pressurizing shaft (16), a first seepage pipe (17), a second seepage pipe (18), a top cap (19), a seepage barrel (20), a permeable stone (21), a lower base (22), a first sampling hole (23), a second sampling hole (24), a third sampling hole (25), a sixth valve (26), a seventh valve (27), an eighth valve (28), a first monitoring hole (29), a second monitoring hole (30), a third monitoring hole (31), a ninth valve (32), a tenth valve (33), an eleventh valve (34), a displacement meter (35), a communicating pipe (36) and a sample (37). The device is high in measurement accuracy and convenient to use, is capable of meeting the fixed water head vertical osmosis control requirements under the sample loading condition, and can be used for directly measuring the permeability characteristic parameters of porous media such as sandy soil, floury soil and clay.
Description
Technical field
The utility model is a kind of soil test device, belongs to building (ground) field of engineering technology.
Background technology
China's geologic hazard frequently occurs, and people life property safety is worked the mischief.Landslide is many causes complicated geologic body strength decreased because rainfall or underground water table rise, even produce slump stream, this has illustrated the harmfulness of the inner seepage flow of geologic body, especially the reverse seepage flow under pressure water top news part, at present also do not have suitable experimental facilities to measure, also do not form unified standardized operation flow process.This application is exactly to want a kind of test unit of utility model, to be applicable to the test of multiple Porous Media characteristic or the measurement of capillary water height and speed.
Utility model content
The utility model object is to provide a kind of unsaturation soil body determines head and vertically permeates measuring equipment, solves porous medium and comprises the measurement problems such as the inverse osmosis characteristic of gravelly soil, sand, silt or cohesive soil and capillary water height and speed.
Technical solution of the present utility model, it is characterized in that this device comprises the collection bottle 2 with scale, water tank 11, increased pressure frame 14, pressuring shaft 16, the first seepage flow pipe 17, the second seepage flow pipe 18, seepage flow bucket 20 and pressurization lever 41 with scale, collection bottle 2 tops are provided with bottle stopper 1, collection bottle 2 is provided with first row gas port 3, second row gas port 4, the 3rd exhausr port 5, first row gas port 3 is provided with the first valve 6, second row gas port 4 is provided with the second valve 7, the 3rd exhausr port 5 is provided with the 3rd valve 8, collection bottle 2 is by being connected with water tank 11 communicating pipe 36, communicating pipes 36, two ends were separately installed with the 4th valve 9 and the 5th valve 10, for controlling respectively collection bottle 2 and water tank 11, the first seepage flow pipe 17 of water tank 11 connecting band scales, the second seepage flow pipe 18 with scale, seepage flow bucket 20 and displacement meter 35, sample 37 is housed in seepage flow bucket 20, crown cap 19 is installed at sample 37 tops, sample 37 bottoms are provided with permeable stone 21, permeable stone 21 posts test paper above, permeable stone 21 is provided with lower bottom base 22 below, lower bottom base 22 designs for helical structure, seepage flow bucket 20 1 sides are provided with the first sample tap 23, the second sample tap 24 and the 3rd sample tap 25, be respectively used to get the sample that soaks of different heads position, carry out water cut test, the first sample tap 23 is provided with the 6th valve 26, the second sample tap 24 is provided with the 7th valve 27, the 3rd sample tap 25 is provided with the 8th valve 28, the symmetrical side of seepage flow bucket 20 is provided with the first monitoring mouth 29, the second monitoring mouthful the 30 and the 3rd monitoring mouth 31, be respectively used to install miniature probe, carry out the project testings such as water cut, the first monitoring mouth 29 is provided with the 9th valve 32, the second monitoring mouth 30 is provided with the tenth valve 33, the 3rd monitoring mouth 31 is provided with the 11 valve 34, increased pressure frame 14 contacts with top cap 19 by pressuring shaft 16, increased pressure frame 14 is connected with water tank 11 by gim peg 12, increased pressure frame 14 is connected with pressurization lever 41 by rotation axis 13, rotation axis 13 is connected with the first suspension hook 38, pressurization lever is connected with counterweight 15 by the second suspension hook 39, rotation axis is connected with large counterweight 40.
(1) adopting this device to carry out the unsaturation soil body, to determine the vertical permeability test method of head as follows:
1. lower bottom base 22 is installed on to seepage flow bucket 20 bottoms, lower bottom base 22 is installed permeable stone 21 above, permeable stone 21 is installed filter paper above, and sample 37 is installed above filter paper, opens the 9th valve 32, the tenth valve 33 and the 11 valve 34, by the first monitoring mouth 29, the second monitorings mouthful the 30 and the 3rd monitoring mouth 31, miniature water cut probe is installed respectively in sample 37 inside, is closed the 9th valve 32, the tenth valve 33 and the 11 valve 34, for monitoring sample 37 different layers position change of moisture content situations;
2. close the first valve 6, the second valve 7, the three valves 8, the 4th valve 9, the 5th valve 10, according to the head height of determining of testing requirements, adjusts the discrepancy in elevation between collection bottle 2 and water tank 11, and keep the 3rd exhausr port 5 all the time higher than the upper surface of water tank 2, open bottle stopper 1, inject pure water to collection bottle 2, while making the interior water surface distance collection bottle 2 end face 3-5cm of collection bottle 2, stop water filling, reserved a part of space, jam-pack bottle stopper 1;
3. according to testing requirements, open the first valve 6 and carry out exhaust outlet, after first row gas port 3 not there are flowing out, close the first valve 6, record the scale value of first row gas port 3 and collection bottle 2 and the high difference of water tank 11 upper surface, what sum of the two was seepage tests determines head height value;
4. open the 4th valve 9, open again the 5th valve 10, water enters water tank 2, the first seepage flow pipe 17 and second seepage flow pipe 18 waters surface start to rise, water is by the lower bottom base 22 of helical structure, enter after permeable stone 21 and filter paper, along sample 37, rise, while entering the first seepage flow pipe 17 and the second seepage flow pipe 18 from water, start timing, record seepage flow sharp side and rise and stop the rear time used along sample 37, record sample 37 internal drowning level scale values, the ratio of this scale value and time used, is the infiltration rate that this determines sample 37 under head pressure;
5. open the 6th valve 26, the seven valves 27 and the 8th valve 28, soil sampling is carried out moisture determination respectively, and is analyzed with the Monitoring Data that sample 37 inside micro water cut probes obtain.
(2) adopting this device to carry out under loading environment the unsaturation soil body, to determine the vertical permeability test method of head as follows:
1. lower bottom base 22 is installed on to seepage flow bucket 20 bottoms, lower bottom base 22 is installed permeable stone 21 above, permeable stone 21 is installed filter paper above, and sample 37 is installed above filter paper, opens the 9th valve 32, the tenth valve 33 and the 11 valve 34, by the first monitoring mouth 29, the second monitorings mouthful the 30 and the 3rd monitoring mouth 31, miniature water cut probe is installed respectively in sample 37 inside, is closed the 9th valve 32, the tenth valve 33 and the 11 valve 34, for monitoring sample 37 different layers position change of moisture content situations;
2. sample 37 is installed top cap 19 above, and top cap 19 contacts with pressuring shaft 16, according to sample, requires counterweight 15 is installed, and for sample 37 applies vertical consolidation pressure, until displacement meter 35 displayed values, reaches after testing requirements, fixed complete;
3. close the first valve 6, the second valve 7, the three valves 8, the 4th valve 9, the 5th valve 10, according to the head height of determining of testing requirements, adjusts the discrepancy in elevation between collection bottle 2 and water tank 11, and keep the 3rd exhausr port 5 all the time higher than the upper surface of water tank 2, open bottle stopper 1, inject pure water to collection bottle 2, while making the interior water surface distance collection bottle 2 end face 3-5cm of collection bottle 2, stop water filling, reserved a part of space, jam-pack bottle stopper 1;
4. according to testing requirements, open the first valve 6 and carry out exhaust outlet, after first row gas port 3 not there are flowing out, close the first valve 6, record the scale value of first row gas port 3 and collection bottle 2 and the high difference of water tank 11 upper surface, what sum of the two was seepage tests determines head height value;
5. open the 4th valve 9, open again the 5th valve 10, water enters water tank 2, the first seepage flow pipe 17 and second seepage flow pipe 18 waters surface start to rise, water is by the lower bottom base 22 of helical structure, enter after permeable stone 21 and filter paper, along sample 37, rise, while entering the first seepage flow pipe 17 and the second seepage flow pipe 18 from water, start timing, record seepage flow sharp side and rise and stop the rear time used along sample 37, record sample 37 internal drowning level scale values, the ratio of this scale value and time used, is certain loading environment and the infiltration rate of determining sample 37 under head pressure;
6. open the 6th valve 26, the seven valves 27 and the 8th valve 28, soil sampling is carried out moisture determination respectively, and is analyzed with the Monitoring Data that sample 37 inside micro water cut probes obtain.
The utility model advantage:
Instrument manufacturing is simple, measuring accuracy is high, easy to use, meet inverse osmosis under sample loading environment and control requirement, stable head pressure can be provided, and carry out effective moisturizing control, can directly measure Percolation Law and the parameter such as capillary water height and speed that various porous mediums comprise gravelly soil, sand, silt, clay etc.
The utility model scope of application:
Can be used for the measurement of various porous medium Penetration Signature and capillary water height and the isoparametric indoor or on-the-spot test of speed that in civil engineering work or Geological Engineering, run into.
Accompanying drawing explanation:
Fig. 1 is that a kind of unsaturation soil body is determined the structural representation that head vertically permeates measuring equipment.Wherein there is bottle stopper 1, collection bottle 2, first row gas port 3, second row gas port 4, the 3rd exhausr port 5, the first valve 6, the second valve 7, the 3rd valve 8, the 4th valve 9, the 5th valve 10, water tank 11, gim peg 12, rotation axis 13, increased pressure frame 14, counterweight 15, pressuring shaft 16, the first seepage flow pipe 17, the second seepage flow pipe 18, top cap 19, seepage flow bucket 20, permeable stone 21, lower bottom base 22, the first sample tap 23, the second sample tap 24, the 3rd sample tap 25, the 6th valve 26, the 7th valve 27, the 8th valve 28, the first monitoring mouth 29, the second monitoring mouth 30, the 3rd monitoring mouth 31, the 9th valve 32, the tenth valve 33, the 11 valve 34, communicating pipe 36, sample 37, the first suspension hook 38, the second suspension hook 39, large counterweight 40, pressurization lever 41.
Fig. 2 is that a kind of unsaturation soil body is determined the structural representation A-A side view that head vertically permeates measuring equipment.Wherein there is water tank 11, gim peg 12, rotation axis 13, increased pressure frame 14, counterweight 15, pressuring shaft 16, displacement meter 35.
Fig. 3 is that a kind of unsaturation soil body is determined head and vertically permeated lower bottom base 22 helical structure schematic diagram in measuring equipment.Wherein there is lower bottom base 22.
Embodiment:
Embodiment:
(1) adopt this device to carry out the soil body and determine the vertical permeability test of head:
1. lower bottom base 22 is installed on to seepage flow bucket 20 bottoms, lower bottom base 22 is installed permeable stone 21 above, permeable stone 21 is installed filter paper above, sample 37 is installed above filter paper, is opened the 9th valve 32, the ten valves 33 and the 11 valve 34, by the first monitoring mouth 29, the second monitoring mouthful the 30 and the 3rd monitoring mouth 31 is installed respectively miniature water cut probe in sample 37 inside, close the 9th valve 32, the ten valves 33 and the 11 valve 34;
2. close the first valve 6, the second valve 7, the 3rd valve 8, the 4th valve 9, the five valves 10, adjusting the first row gas port 3 of collection bottle 2 and the discrepancy in elevation between water tank 11 upper surfaces is 100cm, open bottle stopper 1, inject pure water to collection bottle 2, while making the interior water surface distance collection bottle 2 end face 5cm of collection bottle 2, stop water filling, jam-pack bottle stopper 1;
3. open the first valve 6 and carry out exhaust outlet, after first row gas port 3 not there are flowing out, close the first valve 6, the head height value of determining that records seepage tests is 100cm;
4. open the 4th valve 9, open again the 5th valve 10, water enters water tank 2, the first seepage flow pipe 17 and second seepage flow pipe 18 waters surface start to rise, water is by the lower bottom base 22 of helical structure, enter after permeable stone 21 and filter paper, along sample 37, rise, while entering the first seepage flow pipe 17 and the second seepage flow pipe 18 from water, start timing, recording seepage flow sharp side rises and stops rear time T used along sample 37, record sample 37 internal drowning level scale value H, the average infiltration rate of determining under head 100cm water column pressure is H/T, and can obtain soak level scale changing value h with test used time t change curve rule,
5. open the 6th valve 26, the seven valves 27 and the 8th valve 28, soil sampling is carried out moisture determination respectively, and is analyzed with the Monitoring Data that sample 37 inside micro water cut probes obtain.
(2) adopt this device to carry out the soil body under loading environment and determine the vertical permeability test of head:
1. lower bottom base 22 is installed on to seepage flow bucket 20 bottoms, lower bottom base 22 is installed permeable stone 21 above, permeable stone 21 is installed filter paper above, sample 37 is installed above filter paper, open the 9th valve 32, the tenth valve 33 and the 11 valve 34, by the first monitoring mouth 29, the second monitoring mouthful the 30 and the 3rd monitoring mouth 31 is installed respectively miniature water cut probe in sample 37 inside, close the 9th valve 32, the tenth valve 33 and the 11 valve 34, sample 37 is installed top cap 19 above, top cap 19 contacts with pressuring shaft 16, counterweight 15 is installed, for applying vertical consolidation pressure, sample 37 reaches 100kPa, when displacement meter 35 displayed values variations are less than 0.01mm/min, fixed complete,
2. close the first valve 6, the second valve 7, the 3rd valve 8, the 4th valve 9, the five valves 10, adjusting the first row gas port 3 of collection bottle 2 and the discrepancy in elevation between water tank 11 upper surfaces is 100cm, open bottle stopper 1, inject pure water to collection bottle 2, while making the interior water surface distance collection bottle 2 end face 5cm of collection bottle 2, stop water filling, jam-pack bottle stopper 1;
3. open the first valve 6 and carry out exhaust outlet, after first row gas port 3 not there are flowing out, close the first valve 6, the head height value of determining that records seepage tests is 100cm;
4. open the 4th valve 9, open again the 5th valve 10, water enters water tank 2, the first seepage flow pipe 17 and second seepage flow pipe 18 waters surface start to rise, water is by the lower bottom base 22 of helical structure, enter after permeable stone 21 and filter paper, along sample 37, rise, while entering the first seepage flow pipe 17 and the second seepage flow pipe 18 from water, start timing, recording seepage flow sharp side rises and stops rear time T used along sample 37, record sample 37 internal drowning level scale value H, determine under head 100cm water column pressure and 100kPa vertical load consolidation condition, the average infiltration rate of this sample is H/T, and can obtain soak level scale changing value h with test used time t change curve rule,
5. open the 6th valve 26, the seven valves 27 and the 8th valve 28, soil sampling is carried out moisture determination respectively, and is analyzed with the Monitoring Data that sample 37 inside micro water cut probes obtain.
Claims (1)
1. a unsaturation soil body is determined head and is vertically permeated measuring equipment, it is characterized in that this device comprises bottle stopper (1), collection bottle (2), first row gas port (3), second row gas port (4), the 3rd exhausr port (5), the first valve (6), the second valve (7), the 3rd valve (8), the 4th valve (9), the 5th valve (10), water tank (11), gim peg (12), rotation axis (13), increased pressure frame (14), counterweight (15), pressuring shaft (16), the first seepage flow pipe (17), the second seepage flow pipe (18), top cap (19), seepage flow bucket (20), permeable stone (21), lower bottom base (22), the first sample tap (23), the second sample tap (24), the 3rd sample tap (25), the 6th valve (26), the 7th valve (27), the 8th valve (28), the first monitoring mouthful (29), the second monitoring mouthful (30), the 3rd monitoring mouthful (31), the 9th valve (32), the tenth valve (33), the 11 valve (34), displacement meter (35), communicating pipe (36) and sample (37), collection bottle (2) top is provided with bottle stopper (1), collection bottle (2) is provided with first row gas port (3), second row gas port (4), the 3rd exhausr port (5), first row gas port (3) is provided with the first valve (6), second row gas port (4) is provided with the second valve (7), the 3rd exhausr port (5) is provided with the 3rd valve (8), collection bottle (2) is by being connected with water tank (11) communicating pipe (36), communicating pipe, (36) two ends were separately installed with the 4th valve (9) and the 5th valve (10), for controlling respectively collection bottle (2) and water tank (11), the first seepage flow pipe (17) of water tank (11) connecting band scale, the second seepage flow pipe (18) with scale, seepage flow bucket (20) and displacement meter (35), sample (37) is housed in seepage flow bucket (20), crown cap (19) is installed at sample (37) top, sample (37) bottom is provided with permeable stone (21), permeable stone (21) posts test paper above, permeable stone (21) is provided with lower bottom base (22) below, lower bottom base (22) designs for helical structure, seepage flow bucket (20) one sides are provided with the first sample tap (23), the second sample tap (24) and the 3rd sample tap (25), be respectively used to get the sample that soaks of different heads position, carry out water cut test, the first sample tap (23) is provided with the 6th valve (26), the second sample tap (24) is provided with the 7th valve (27), the 3rd sample tap (25) is provided with the 8th valve (28), the symmetrical side of seepage flow bucket (20) is provided with the first monitoring mouth (29), the second monitoring mouthful (30) and the 3rd monitoring mouthful (31), be respectively used to install miniature probe, carry out the project testings such as water cut, the first monitoring mouthful (29) is provided with the 9th valve (32), the second monitoring mouthful (30) is provided with the tenth valve (33), the 3rd monitoring mouthful (31) is provided with the 11 valve (34), increased pressure frame (14) contacts with top cap (19) by pressuring shaft (16), increased pressure frame (14) is connected with water tank (11) by gim peg (12), increased pressure frame (14) is connected with pressurization lever (41) by rotation axis (13), rotation axis (13) is connected with the first suspension hook (38), pressurization lever is connected with counterweight (15) by the second suspension hook (39), rotation axis is connected with large counterweight (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094764.7U CN203798706U (en) | 2014-03-04 | 2014-03-04 | Unsaturated soil body fixed water head vertical osmosis measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420094764.7U CN203798706U (en) | 2014-03-04 | 2014-03-04 | Unsaturated soil body fixed water head vertical osmosis measurement device |
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| CN203798706U true CN203798706U (en) | 2014-08-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749081A (en) * | 2015-03-03 | 2015-07-01 | 南京工业大学 | Device and method for testing water pressure transmission rule of low-permeability soil body |
| CN108593893A (en) * | 2018-07-09 | 2018-09-28 | 中国地质调查局西安地质调查中心 | A kind of field quickly carries out the easy device of different water cut soil sample consolidation experiment |
| CN109629547A (en) * | 2019-01-11 | 2019-04-16 | 中国水利水电科学研究院 | A kind of great burying soil HYDRODYNAMIC CHARACTERISTICS parameter measurement system and method |
-
2014
- 2014-03-04 CN CN201420094764.7U patent/CN203798706U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749081A (en) * | 2015-03-03 | 2015-07-01 | 南京工业大学 | Device and method for testing water pressure transmission rule of low-permeability soil body |
| CN104749081B (en) * | 2015-03-03 | 2017-07-21 | 南京工业大学 | Device and method for testing water pressure transmission rule of low-permeability soil body |
| CN108593893A (en) * | 2018-07-09 | 2018-09-28 | 中国地质调查局西安地质调查中心 | A kind of field quickly carries out the easy device of different water cut soil sample consolidation experiment |
| CN109629547A (en) * | 2019-01-11 | 2019-04-16 | 中国水利水电科学研究院 | A kind of great burying soil HYDRODYNAMIC CHARACTERISTICS parameter measurement system and method |
| CN109629547B (en) * | 2019-01-11 | 2023-09-08 | 中国水利水电科学研究院 | System and method for measuring hydrodynamic characteristic parameters of large-burial-depth soil |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20170304 |