CN112611696A - Penetrating fluid collection device and soil cement penetration test system - Google Patents
Penetrating fluid collection device and soil cement penetration test system Download PDFInfo
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- CN112611696A CN112611696A CN202010475327.XA CN202010475327A CN112611696A CN 112611696 A CN112611696 A CN 112611696A CN 202010475327 A CN202010475327 A CN 202010475327A CN 112611696 A CN112611696 A CN 112611696A
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- 238000012360 testing method Methods 0.000 title claims abstract description 112
- 239000004568 cement Substances 0.000 title claims abstract description 56
- 239000002689 soil Substances 0.000 title claims abstract description 50
- 239000012530 fluid Substances 0.000 title claims abstract description 48
- 230000000149 penetrating effect Effects 0.000 title claims abstract description 48
- 230000035515 penetration Effects 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000012466 permeate Substances 0.000 claims abstract description 55
- 230000008595 infiltration Effects 0.000 description 31
- 238000001764 infiltration Methods 0.000 description 31
- 230000006872 improvement Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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- Dispersion Chemistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a penetrating fluid collecting device and a soil cement penetration testing system. A permeate collection device comprises a measuring cylinder assembly and a permeate container, wherein the top of the permeate container is provided with an inlet/outlet, the measuring cylinder assembly is positioned below the permeate container, and the measuring cylinder assembly is communicated with the interior of the permeate container. The pressurization mode from top to bottom can be adopted, so that the penetrant is not lost, and the test result is not biased. A soil cement penetration test system comprises a water supply device, at least two penetrating fluid collecting devices and at least two pressure controllers; the penetrating fluid collecting devices and the pressure controllers are equal in number and correspond to each other one by one, the inlet/outlet of each penetrating fluid collecting device is communicated with the water supply device through a first pipeline, and each pressure controller is arranged on the corresponding first pipeline. Each pressure controller is capable of individually controlling the test pressure of the corresponding permeate collection device. The invention is applied to the technical field of geotechnical engineering.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering, in particular to a penetrating fluid collecting device and a cement soil penetration testing system.
Background
The actual condition of the test can not be considered completely when the current cement soil permeability coefficient testing device is designed, the requirement of the cement soil permeability coefficient test in the standard of JGJ/T233 plus 2011 design rule for cement soil mixing proportion can not be met accurately, and the defects comprise: 1. the test device is only provided with one pressurizing device, and the possibility that a plurality of test pieces can permeate under different pressures cannot be considered, but one pressurizing device obviously cannot control different pressures at the same time, so that a plurality of tests cannot be carried out at the same time; 2. in the prior art, an inner groove of a test mold base for collecting penetrating fluid is placed upwards, and a measuring cylinder is positioned above the test mold base. Although the problem of penetrating fluid collection is considered, the problem of penetrating fluid collection is not fully combined with practical conditions, when a cement soil test piece penetrates, the penetrating fluid is extremely slow, and the penetrating fluid is inevitably accumulated on the surface of a penetration test mold in a mode of collecting the penetrating fluid from bottom to top, so that the time required for filling the surface gap of the test mold is probably far longer than the time for collecting the penetrating fluid, and the test aging is greatly influenced.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a penetrating fluid collecting device, which not only ensures that penetrating fluid is not lost and the test result is not biased, but also can collect the penetrating fluid in the shortest time and ensure the test timeliness.
Another object of the present invention is to provide a soil cement penetration testing system, wherein each pressure controller can independently control the testing pressure of the corresponding penetrating fluid collecting device, so as to ensure that each soil cement test piece can be tested independently, so that different soil cement test pieces can be tested under different pressures, and a plurality of soil cement test pieces can be tested simultaneously, thereby improving the efficiency.
(II) technical scheme
In order to solve the technical problem, the invention provides a permeate collecting device which comprises a measuring cylinder assembly and a permeate container, wherein the top of the permeate container is provided with an inlet/outlet, the measuring cylinder assembly is positioned below the permeate container, and the measuring cylinder assembly is communicated with the interior of the permeate container.
In a further improvement, the measuring cylinder assembly comprises a measuring cylinder body and a connecting plate, the connecting plate is covered at the bottom of the infiltration container, the top end of the measuring cylinder body is connected with the connecting plate, and the measuring cylinder body is communicated with the inside of the infiltration container.
In a further improvement, the two ends of the connecting plate are inclined downwards towards the middle of the connecting plate to form a funnel structure, and the connecting plate is connected with the measuring cylinder body through the funnel structure.
In a further improvement, the infiltration container comprises a base and an infiltration test mold, the infiltration test mold is fixed at the bottom of the base, an infiltration chamber is arranged in the infiltration test mold, the inlet/outlet is arranged on the base, the graduated cylinder assembly is connected at the bottom of the infiltration test mold, and the graduated cylinder assembly and the inlet/outlet are respectively communicated with the infiltration chamber.
In a further refinement, the infiltration chamber is cylindrical or frustoconical.
The invention also discloses a soil cement penetration testing system, which adopts the following technical scheme:
a soil cement penetration test system comprises a water supply device, at least two penetrating fluid collecting devices and at least two pressure controllers;
the penetrating fluid collecting devices and the pressure controllers are equal in number and correspond to each other one by one, the inlet/outlet of each penetrating fluid collecting device is respectively connected with a first pipeline, the inlet/outlet of each penetrating fluid collecting device is respectively communicated with the water supply device through the first pipeline, and each pressure controller is respectively arranged on the corresponding first pipeline.
In a further improvement, the soil cement penetration testing system further comprises a digital display sensor, and the digital display sensor is electrically connected with each pressure controller respectively.
In a further improvement, the digital display sensor is further provided with at least two timers, and the number of the timers is equal to that of the pressure controllers and corresponds to that of the pressure controllers one by one.
In a further improvement, the pressure controller is also connected with a water storage bag.
The improved water supply device comprises a water tank, a second pipeline and a water pump, wherein one end of the second pipeline is communicated with the water tank, the other end of the second pipeline is communicated with each first pipeline respectively, the water pump is arranged on the second pipeline, and the second pipeline and each first pipeline are provided with a water delivery control valve respectively.
(III) advantageous effects
In the penetrating fluid collecting device, the measuring cylinder assembly is positioned below the penetration container, when cement soil penetrates in the penetration container, a pressurizing mode from top to bottom can be adopted, and penetrating fluid can be directly collected in the measuring cylinder assembly under the action of self gravity, so that the penetrating fluid is not lost, the test result is not deviated, the penetrating fluid can be collected in the shortest time, and the test time is ensured.
In the soil cement penetration test system of the present invention, the aforementioned penetrating fluid collecting device is used, and thus, the aforementioned advantages are also provided, which will not be described herein. In addition, in the soil cement permeability testing system, a plurality of penetrating fluid collecting devices are arranged, each penetrating fluid collecting device corresponds to one pressure controller, each pressure controller can independently control the test pressure of the corresponding penetrating fluid collecting device, each soil cement test piece can be independently tested, different soil cement test pieces can be tested under different pressures, a plurality of soil cement test pieces can be simultaneously tested, and the efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a soil cement penetration testing system according to an embodiment;
FIG. 2 is a cross-sectional view of a permeate collection apparatus in one embodiment;
FIG. 3 is a cross-sectional view of a permeate collection means in another embodiment;
fig. 4 is a partial enlarged view of the labeled portion of fig. 1.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 2 to 4, a permeate collecting apparatus includes a measuring cylinder module 1 and a permeate container 2, an inlet/outlet 21 is provided at the top of the permeate container 2, the measuring cylinder module 1 is located below the permeate container 2, and the measuring cylinder module 1 communicates with the interior of the permeate container 2.
In the penetrant collecting device of this embodiment, the graduated cylinder assembly 1 is located below the penetration container 2, when soil cement permeates in the penetration container 2, a pressurization mode from top to bottom can be adopted, and the penetrant can be directly collected in the graduated cylinder assembly 1 under the action of self gravity, so that not only is the penetrant not lost and the test result is not biased, but also the penetrant can be collected in the shortest time, and the test timeliness is ensured.
Specifically, in this embodiment, the measuring cylinder assembly 1 includes a measuring cylinder body 11 and a connecting plate 12, the connecting plate 12 is covered at the bottom of the infiltration container 2, the top end of the measuring cylinder body 11 is connected to the connecting plate 12, and the measuring cylinder body 11 is communicated with the inside of the infiltration container 2. Wherein, the connecting plate 12 is a transparent cover plate of organic glass.
In the prior art, the penetrant collected by the testing device is collected through the rubber conduit, but the diameter of the rubber conduit is too small, the viscosity coefficient of the penetrant changes along with the temperature change, and when the viscosity coefficient is too large, the penetrant cannot continuously pass through the rubber conduit but flows into the measuring cylinder when being converged into a certain amount, so that a large measuring and reading error exists. In order to allow the permeate in the permeate container 2 to rapidly flow into the measuring cylinder body 11, in the present embodiment, both ends of the connecting plate 12 are inclined downward toward the middle of the connecting plate 12 to form a funnel structure, and the connecting plate 12 is connected to the measuring cylinder body 11 through the funnel structure. Referring to fig. 3 again, the connecting plate 12 is inclined downward by an angle a, wherein the angle a is smaller, and preferably, the angle a ranges from 5 ° to 12 °. This ensures that permeate can flow rapidly into the measuring cylinder body 11 and prevents a large gap from being formed between the connecting plate 12 and the permeate container 12. Through the funnel structure that sets up on the connecting plate 12, the penetrating fluid that has solved that can be better leads to the penetrating fluid to persist at the problem on cement test piece surface because of the viscous coefficient is too big, has improved experimental degree of accuracy.
As shown in fig. 4, in the present embodiment, the infiltration container 2 includes a base 22 and an infiltration mold 23, the infiltration mold 23 is fixed at the bottom of the base 22, an infiltration chamber 231 is provided in the infiltration mold 23, the inlet/outlet 21 is provided on the base 22, the measuring cylinder assembly 1 is connected at the bottom of the infiltration mold 23, and the measuring cylinder assembly 1 and the inlet/outlet 21 are respectively communicated with the infiltration chamber 231. Specifically, the edge of base 22 bottom is equipped with solid fixed ring, and solid fixed ring inner wall has the internal thread, and infiltration examination mould 23 upper end has the external screw thread, and infiltration examination mould 23 lower extreme has the external screw thread, and the internal thread of solid fixed ring inner wall and infiltration examination mould 23 upper end external screw thread connection make infiltration examination mould 23 fix on base 22. Furthermore, an internal thread is also arranged on the connecting plate 12, and an external thread at the lower end of the penetration test die 23 is in matched connection with the internal thread on the connecting plate 12. Through threaded connection, the penetration test die 23 is firmly connected with the base 22 and the connecting plate 12, and the mounting and dismounting are convenient. In the present embodiment, in particular, the connecting plate 12 with the funnel structure can avoid a large gap from being formed between the connecting plate 12 and the infiltration mold 23.
In this embodiment, as a further improvement of the above technical solution, the permeation chamber 231 is cylindrical or truncated cone-shaped. Wherein, the two cylindrical ends or the two truncated cone ends of the permeation chamber 231 are arranged towards the vertical direction. Specifically, when the permeation chamber 231 is in the shape of a truncated cone, the size of the permeation chamber 231 is generally 70 × 80 × 30mm, wherein 70mm is the diameter of the bottom surface of the truncated cone of the permeation chamber 231, 80mm is the diameter of the top surface of the truncated cone of the permeation chamber 231, and 30mm is the height of the permeation chamber 231. A typical standard size infiltration mold 23 employs an infiltration chamber 231 of that size. If the infiltration mold 23 is a non-standard part, the infiltration chamber 231 is cylindrical, and the size of the infiltration chamber is 80 × 30mm, wherein two 80mm are the diameters of the two cylindrical ends of the cylindrical infiltration chamber 231, and 30mm is the height of the cylindrical infiltration chamber 231. Referring again to fig. 2 and 3, in fig. 2, the permeation chamber 231 has a truncated cone shape, and in fig. 3, the permeation chamber 231 has a cylindrical shape. In the embodiment, the penetration test mold 23 with different styles is configured, so that the standard formed cement soil test piece and the field actual coring cement soil test piece can be met, and the test applicability is improved.
The embodiment also discloses a soil cement penetration testing system, which adopts the following technical scheme:
referring to fig. 1 to 4, a soil cement penetration testing system includes a water supply device 4, at least two permeate collecting devices and at least two pressure controllers 5; the pressure controller 5 is used for providing test pressure for the test of the cemented soil test piece.
The number of the penetrating fluid collecting devices and the number of the pressure controllers 5 are equal and are in one-to-one correspondence, the inlet/outlet 21 of each penetrating fluid collecting device is respectively connected with a first pipeline 6, the inlet/outlet 21 of each penetrating fluid collecting device is respectively communicated with the water supply device 4 through the first pipeline 6, and each pressure controller 5 is respectively arranged on the corresponding first pipeline 6. The inlet/outlet 21 is used to allow water to enter the permeate collection means or permeate in the permeate collection means is discharged or recovered from the inlet/outlet 21.
In the soil cement penetration testing system of the present embodiment, the aforementioned penetrating fluid collecting device is adopted, so that the aforementioned advantages are also provided, and further description is omitted here. In addition, in the soil cement penetration test system of this embodiment, a plurality of penetrant collecting devices are provided, and each penetrant collecting device corresponds to one pressure controller 5, and each pressure controller 5 can independently control the test pressure of the corresponding penetrant collecting device, so as to ensure that each soil cement test piece can be tested independently, and different soil cement test pieces can be tested simultaneously under different pressures, thereby improving the efficiency.
Specifically, in the present embodiment, the number of the permeate collection means, the pressure controller 5 and the first pipe 6 is three. It is understood that in other embodiments, the number of the permeate collection devices can be one, two or more than three, and the specific arrangement mode can be reasonably selected according to actual situations.
In order to coordinate and control uniformly, in this embodiment, the soil cement penetration testing system further includes a digital display sensor 7, and the digital display sensor 7 is electrically connected to each pressure controller 5. The digital display sensor 7 is an intelligent control instrument integrating pressure measurement, display and control, and has the characteristics of simple operation, good shock resistance, high control precision, adjustable control range, long service life and the like. Parameters are set on the digital display sensor 7, and the digital display sensor 7 controls the cement test pieces corresponding to the pressure controllers 5 to be pressurized, so that each cement test piece is ensured to be tested under accurate pressure.
In the prior art, the time for collecting the penetrating fluid is not fully considered during the test, so that the penetrating fluid is evaporated due to the long-time contact between the penetrating fluid and air, and the test error is increased; or, the timing problem in the process of collecting the permeate is not fully considered, and although a laboratory has a timing device (such as a stopwatch) which passes through metering, the process of collecting the permeate in a test is considered to be long, and a small-range timer such as the stopwatch is difficult to meet the actual requirement, so that the permeate collection timing is also difficult to be considered. Therefore, in this embodiment, as a further improvement of the above technical solution, at least two timers are further provided on the digital display sensor 7, and the timers are used for calculating the penetration time of the cemented soil test piece. The number of timers and the number of pressure controllers 5 are equal and correspond one to one. Specifically, the timers are integrated on the digital display sensor 7, and in the embodiment, there are three timers which respectively calculate the test time of the cement soil test piece in the three penetrating fluid collecting devices. By arranging the timer on the digital display sensor 7, the testing equipment is simplified, the testing time can be visually measured, and the testing operability is improved.
In this embodiment, a preferred embodiment of the timer is as follows: when the cement soil test piece has water seepage, the timer starts to time, and the time is used for calculating the time required by the measuring cylinder body 11 to collect a certain penetrating fluid. Of course, certain modifications may be made based on the essential features of the preferred embodiment, but such modifications are intended to be included in the embodiments of the timer.
In this embodiment, as a further improvement of the above technical solution, the pressure controller 5 is further connected to a water storage bag 8. The water storage bag is used for storing a certain amount of water, and the water supply device 4 can continue to perform the test when no water exists.
In this embodiment, as a further improvement of the above technical solution, the water supply device 4 includes a water tank 41, a second pipeline 42 and a water pump 43, one end of the second pipeline 42 is communicated with the water tank 41, the other end of the second pipeline 42 is respectively communicated with each first pipeline 6, the water pump 43 is arranged on the second pipeline 42, and the second pipeline 42 and each first pipeline 6 are respectively provided with a water delivery control valve 9. The water delivery control valve 9 is used for controlling the opening and closing of the first pipeline 6 and the second pipeline 42, and is convenient for control operation. Wherein the water tank 41 is used for holding water, the second pipeline 42 is used for conveying water, and the water pump 43 is used for providing power for the water conveying.
The testing method adopting the soil cement penetration testing system comprises the following steps:
the first step is as follows: and selecting a corresponding penetration test mold 23 according to the specification and the style of the cement soil test piece.
The second step is that: the cement soil test piece required for the test is installed in the penetration chamber 231 of the penetration test mold 23, and water is not leaked between the cement soil test piece and the penetration test mold 23 by means of a sealing ring or a sealing material.
The third step: after the cement soil test piece is installed, a permeable stone is placed at the upper end of the cement soil test piece, and the penetration test mold 23 with the cement soil test piece is screwed into the base 22, so that the penetration test mold 23 and the cement soil test piece are fixed at the bottom of the base 22.
The fourth step: and (3) putting neutral filter paper into the connecting plate 12, and screwing the connecting plate 12 into the bottom of the permeation test mold 23 to fixedly connect the connecting plate 12 and the permeation test mold 23.
The fifth step: a sufficient amount of water is injected into the water reservoir 41 and the temperature of the water is measured and recorded.
And a sixth step: the water supply control valve 9 is opened, the water pump 43 is started, and the water required for the test is introduced into each of the first pipes 6 through the second pipe 42, and the pressure controller 5 of each of the first pipes 6 pressurizes the water.
The seventh step: and controlling each pressure controller 5 through a control button in the digital display sensor 7, adjusting the initial water pressure of the test, and pressurizing each cement test piece until the cement test piece seeps water.
Eighth step: when the cement test piece begins to seep water, the corresponding pressure controller 5 is controlled through a control button in the digital display sensor 7, so that the corresponding pressure controller 5 stops pressurizing the cement test piece with the seeped water and maintains the seepage pressure, and the cement test piece without the seeped water needs to be pressurized until the seepage.
The ninth step: under the water seepage pressure, the penetrating fluid collecting device starts to collect the penetrating fluid of the water seepage test piece, the digital display sensor 7 presses the timing button at the same time, the time is collected through the timer, and the amount of the penetrating fluid is recorded.
The tenth step: and after the penetrating fluid collection of the three cement soil test pieces is finished, closing a control button, a water delivery control valve 9 and a water pump 43 in the digital display sensor 7, and stopping the test. After the test is completed, the permeate in the permeate chamber 231 and the measuring cylinder body 11 can be discharged or recovered through the inlet/outlet port 21.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A permeate collection device comprises a measuring cylinder assembly and a permeate container, wherein the top of the permeate container is provided with an inlet/outlet, the measuring cylinder assembly is positioned below the permeate container, and the measuring cylinder assembly is communicated with the interior of the permeate container.
2. The permeate collection apparatus of claim 1 wherein the graduated cylinder assembly comprises a graduated cylinder body and a connector plate, the connector plate covering the bottom of the permeate container, the top end of the graduated cylinder body being connected to the connector plate, and the graduated cylinder body being in communication with the interior of the permeate container.
3. The permeate collection apparatus of claim 2 wherein the ends of the connecting plate are inclined downwardly towards the middle of the connecting plate to form a funnel structure, the connecting plate being connected to the graduated cylinder body by the funnel structure.
4. The permeate collection device according to any one of claims 1 to 3, wherein the permeate container comprises a base and a permeate test mold, the permeate test mold is fixed at the bottom of the base, a permeate chamber is arranged in the permeate test mold, the inlet/outlet is arranged on the base, the graduated cylinder assembly is connected at the bottom of the permeate test mold, and the graduated cylinder assembly and the inlet/outlet are respectively communicated with the permeate chamber.
5. The permeate collection apparatus of claim 4 wherein the permeate chamber is cylindrical or frusto-conical.
6. A soil cement penetration test system comprising a water supply, at least two permeate collection devices of any one of claims 1 to 5 and at least two pressure controllers;
the penetrating fluid collecting devices and the pressure controllers are equal in number and correspond to each other one by one, the inlet/outlet of each penetrating fluid collecting device is respectively connected with a first pipeline, the inlet/outlet of each penetrating fluid collecting device is respectively communicated with the water supply device through the first pipeline, and each pressure controller is respectively arranged on the corresponding first pipeline.
7. The soil cement penetration test system of claim 6, further comprising a digital display sensor, wherein the digital display sensor is electrically connected to each pressure controller.
8. The soil cement penetration test system of claim 7, wherein the digital display sensor is further provided with at least two timers, and the number of the timers is equal to that of the pressure controllers and corresponds to that of the pressure controllers.
9. The system of claim 6, wherein the pressure controller is further connected to a water reservoir.
10. The soil cement penetration test system according to any one of claims 6 to 9, wherein the water supply device comprises a water tank, second pipes and a water pump, one end of the second pipe is communicated with the water tank, the other end of the second pipe is respectively communicated with each first pipe, the water pump is arranged on the second pipe, and the second pipe and each first pipe are respectively provided with a water delivery control valve.
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| CN202010475327.XA CN112611696A (en) | 2020-05-29 | 2020-05-29 | Penetrating fluid collection device and soil cement penetration test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216826A (en) * | 2021-11-22 | 2022-03-22 | 浙江工业大学 | Seepage collecting device under simulated settlement condition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216826A (en) * | 2021-11-22 | 2022-03-22 | 浙江工业大学 | Seepage collecting device under simulated settlement condition |
| CN114216826B (en) * | 2021-11-22 | 2024-05-03 | 浙江工业大学 | Seepage liquid collecting device under simulated sedimentation condition |
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