CN110018103A - A kind of building lot field seepage test device and its test method - Google Patents
A kind of building lot field seepage test device and its test method Download PDFInfo
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- CN110018103A CN110018103A CN201910336265.1A CN201910336265A CN110018103A CN 110018103 A CN110018103 A CN 110018103A CN 201910336265 A CN201910336265 A CN 201910336265A CN 110018103 A CN110018103 A CN 110018103A
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 238000010998 test method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 265
- 208000005189 Embolism Diseases 0.000 claims abstract description 96
- 230000035699 permeability Effects 0.000 claims abstract description 13
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001764 infiltration Methods 0.000 claims description 19
- 230000008595 infiltration Effects 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000005086 pumping Methods 0.000 claims description 15
- 238000002474 experimental method Methods 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
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- Fluid Mechanics (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention relates to ground permeability test fields, more particularly to a kind of building lot field seepage test device and its test method, it include water tank, squeezer structure, first water pipe, first hydraulic type embolism, second water pipe, second hydraulic type embolism and controller, squeezer structure includes pressure regulation water pump, flowmeter and pressure gauge, the input port of pressure regulation water pump is connected to water tank, the delivery outlet of pressure regulation water pump is equipped with flowmeter, the bottom end of second water pipe is equipped with the first three-way solenoid valve, the bottom end of second hydraulic type embolism is equipped with solenoid valve, first water pipe, first hydraulic type embolism, second water pipe, first three-way solenoid valve, second hydraulic type embolism, solenoid valve is linked in sequence from top to bottom；The experimental rig and its test method solve the problems, such as that clast remaining in hole influences test result, it solves the problems, such as that the air in test area can not be discharged simultaneously, also solves the problem of hydraulic pressure that the water column above test area generates reduces hydraulic type embolism working life.
Description
Technical field
The present invention relates to ground permeability test fields, and in particular to a kind of building lot field seepage test device and its examination
Proved recipe method.
Background technique
Building lot is divided into subsoil and artificial foundation.The ground of building load can directly be born by needing not move through processing
Base is known as subsoil, conversely, need to be known as artificial foundation by the ground that foundation treatment technology is handled.
In many hydraulic structures, earth dam and base pit engineering, the size of penetration be influence engineering safety it is important because
One of element.
In Practical Project, also there is the example of many generation seepage failures (stream soil or piping), it is serious to make engineering construction
It interrupts, or even jeopardizes the safety of close to buildings and facility.
Therefore, when carrying out engineering design and construction, penetration may be answered to foundation stability bring adverse consequences
This has enough attention.
There is a kind of ield water pressure test method detection ground permeance property at present, water pressure test in borehole is geological prospecting and ground
Lower engineering construction detects common method, and working method is artificially to install two plugs up and down in some depth segment that drills, then
To high pressure water injection is carried out therebetween, after reaching pressure balance, injection flow, pressure and voltage stabling control is recorded in earth's surface, finally will
These record data substitute into corresponding water pressure test in borehole calculation formula, calculate the leak factor of test section.
Chinese patent CN106014390B discloses a kind of hydraulic pressure cause plug water pressure test in borehole method, includes the following steps:
1. pore-creating；2. installing；3. placing；4. causing plug；5. filling the water；6. packer permeability test；7. closing pressure release；8. completing test.The invention mentions
High detection working efficiency, the invention are that the test in a hole, Mei Gekong are disposably carried out continuously after the probing for completing a hole
The section testing time was less than 1 hour；Exploration precision is improved, causes plug pressure foot, pressure holding effect is good, and measuring accuracy is compared with drilling machine packer permeability test
It is 2 times high；Card hole accident rate is low, and entire probe is only with a set of water pipe, and without oil pipe, adjunct of popping one's head in is few, is convenient for execute-in-place,
Reduce card hole accident.
The water test unit of the patent disclosure has the disadvantage that
1, it is not cleaned in hole after drilling, the rubble and dust in hole influence whether test result, and when pressure release also will cause out
Nozzle blocking；
2, a drilling depth is too deep, without subsection hole-drilling and Sectional Test, influences test result；
3, the top of test area is arranged in water outlet, lacks exhaust gear, and the gas in test area can not be discharged；
4, ball poor sealing effect.
Summary of the invention
The purpose of the present invention is to provide a kind of building lot field seepage test device and its test method, test dresses
It sets and its test method solves the problems, such as that clast remaining in hole influences test result, while solving the sky in test area
The problem of gas can not be discharged also solves the hydraulic pressure that the water column above test area generates and reduces hydraulic type embolism working life
Problem.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of building lot field seepage test device is provided, includes water tank, squeezer structure, the first water pipe, the first water
Pressure type embolism, the second water pipe, the second hydraulic type embolism and controller, squeezer structure include pressure regulation water pump, flowmeter and pressure
The input port of table, pressure regulation water pump is connected to water tank, and the delivery outlet of pressure regulation water pump is equipped with flowmeter, and the delivery outlet of pressure regulation water pump is logical
Overcurrent meter is connected to the input port of the first water pipe, and the first water pipe is three water service pipe of T shape, the first delivery outlet of the first water pipe and the
The connection of one hydraulic type embolism, pressure gauge are fixedly mounted on the second delivery outlet of the first water pipe, and the bottom end of the second water pipe is equipped with the
One three-way solenoid valve, the bottom end of the second hydraulic type embolism are equipped with solenoid valve, the first water pipe, the first hydraulic type embolism, the second water
Pipe, the first three-way solenoid valve, the second hydraulic type embolism, solenoid valve are linked in sequence from top to bottom；
The input port of first three-way solenoid valve is connected to the second water pipe, the first delivery outlet of the first three-way solenoid valve and second
The connection of hydraulic type embolism, the second delivery outlet of the first three-way solenoid valve are arranged outwardly, the second delivery outlet of the first three-way solenoid valve
Flow be less than the flow of pressure regulation water pump, the input port of solenoid valve is connected to the second hydraulic type embolism, and the delivery outlet of solenoid valve erects
Directly it is arranged downward, pressure regulation water pump, the first three-way solenoid valve and solenoid valve are electrically connected with the controller.
As a kind of a kind of preferred embodiment of building lot field seepage test device, the first water pipe includes first
Pipe, the second branch pipe and third branch pipe, the first branch pipe and third branch pipe are straight tube, and the first branch pipe is horizontally disposed, and third branch pipe is perpendicular
Straight setting, the second branch pipe are three water service pipe of T shape, the input port of the second branch pipe and the first delivery outlet respectively with the first branch pipe, third
Branch pipe is detachably connected, and pressure gauge is fixedly mounted on the second delivery outlet of the second branch pipe.
As a kind of a kind of preferred embodiment of building lot field seepage test device, further includes having water pumping mechanism, draw water
Mechanism includes suction pump and the second three-way solenoid valve, and the input port of the first water pipe respectively and is drawn water by the second three-way solenoid valve
Pump, the connection of pressure regulation water pump, the delivery outlet of pressure regulation water pump are connected to the second three-way solenoid valve, the input port of suction pump and the second electromagnetism
Triple valve connection, the delivery outlet of suction pump are connected to water tank, and suction pump and the second three-way solenoid valve are electrically connected with the controller.
As a kind of a kind of preferred embodiment of building lot field seepage test device, water pumping mechanism further includes having floating ball to open
Sensor is closed, float switch sensor is arranged in the top of the first hydraulic type embolism and is fixedly mounted on the first water pipe, floating ball
Switch sensor is electrically connected with the controller.
As a kind of a kind of preferred embodiment of building lot field seepage test device, water pumping mechanism further includes having third electric
Magnetic triple valve, third three-way solenoid valve are fixedly mounted on the bottom end of the first water pipe, the first delivery outlet of third three-way solenoid valve with
The connection of first water pipe, the input port of third three-way solenoid valve are arranged outwardly, the second delivery outlet of third three-way solenoid valve and first
The connection of hydraulic type embolism, third three-way solenoid valve are electrically connected with the controller.
As a kind of a kind of preferred embodiment of building lot field seepage test device, water pumping mechanism further includes having multistage mistake
Filter, suction pump and the second three-way solenoid valve are connected to by multiple multistage filters.
As a kind of a kind of preferred embodiment of building lot field seepage test device, the input port of pressure regulation water pump is equipped with
Filter screen.
A kind of test method of building lot field seepage test device, which is characterized in that include following steps:
Step 1 drills out blind hole on building lot；
Step 2, assembling infiltration experiment device, infiltration experiment device are placed in hole, and solenoid valve is made to arrive at bottom hole；
Step 3, starting pressure regulation water pump, operate the first three-way solenoid valve, solenoid valve, the second three-way solenoid valve by controller
With third three-way solenoid valve so that water flow passes sequentially through pressure regulation water pump, the second three-way solenoid valve, flowmeter, the first water pipe, first
It is cleaned in hydraulic type embolism, the second water pipe, the first three-way solenoid valve, the second hydraulic type embolism and solenoid valve device to hole, until
Aperture is visually observed to flow out without clast；
Step 4 closes suction pump, starts pressure regulation water pump, operates the first three-way solenoid valve, solenoid valve, the by controller
Two three-way solenoid valves and third three-way solenoid valve so that water flow pass sequentially through pressure regulation water pump, the second three-way solenoid valve, flowmeter,
First water pipe, the first hydraulic type embolism, the second water pipe and the first three-way solenoid valve enter in the second hydraulic type embolism while logical
The first three-way solenoid valve is crossed to discharge；
Step 5, the output pressure for adjusting pressure regulation water pump simultaneously read data by pressure gauge, after reaching pressure balance,
Earth's surface record injection flow, pressure and voltage stabling control, and these corresponding water pressure test in borehole calculating of record data substitution are public
Formula calculates the building lot infiltration coefficient between the first hydraulic type embolism and the second hydraulic type embolism；
Step 6, disassembly infiltration experiment device simultaneously take out it from hole, then drilling downwards again；
Step 7 repeats step 1 to step 7, until the full depth to building lot carries out permeability test.
A kind of preferred embodiment of test method as a kind of building lot field seepage test device, in step 3 and step
Between rapid 4, there are also steps 3.1:
Step 3.1, close pressure regulation water pump, start suction pump, by controller operate the first three-way solenoid valve, solenoid valve,
Second three-way solenoid valve and third three-way solenoid valve, so that the water above test area passes sequentially through third three-way solenoid valve,
One water pipe, multistage filter, suction pump are discharged in water tank.
A kind of a kind of preferred embodiment of test method as building lot field seepage test device, the depth to drill every time
Degree must not exceed the length of the second water pipe.
Beneficial effects of the present invention:
Blind hole is drilled out on building lot, infiltration experiment device is placed in hole by step 2, assembling infiltration experiment device, and
So that solenoid valve arrives at bottom hole, the first three-way solenoid valve, solenoid valve, the second three-way solenoid valve and third electricity are operated by controller
Magnetic triple valve, to change water route；
Start pressure regulation water pump, water flow passes sequentially through pressure regulation water pump, the second three-way solenoid valve, flowmeter, the first water pipe, first
It is cleaned in hydraulic type embolism, the second water pipe, the first three-way solenoid valve, the second hydraulic type embolism and solenoid valve device to hole, until
Aperture is visually observed to flow out without clast；It is then switched off pressure regulation water pump, starts suction pump, water flow passes sequentially through third electromagnetic three-way
Valve, the first water pipe, multistage filter, suction pump are discharged in water tank；Suction pump is turned off, starts pressure regulation water pump, water flow is successively
Pass through pressure regulation water pump, the second three-way solenoid valve, flowmeter, the first water pipe, the first hydraulic type embolism, the second water pipe and the first electromagnetism
Triple valve is entered in the second hydraulic type embolism while being discharged by the first three-way solenoid valve；
It adjusts the output pressure of pressure regulation water pump and data is read by pressure gauge, after reaching pressure balance, remember in earth's surface
Record injection flow, pressure and voltage stabling control, and these record data are substituted into corresponding water pressure test in borehole calculation formula, it calculates
Building lot infiltration coefficient between first hydraulic type embolism and the second hydraulic type embolism out；Permeability test is dismantled after the completion of calculating
Device simultaneously takes out it from hole, and then drilling, the depth to drill every time must not exceed the length of the second water pipe downwards again；
Aforesaid operations are repeated, until the full depth to building lot carries out permeability test.
1, solve the problems, such as that clast remaining in hole influences test result；
2, the hydraulic pressure for solving the problems, such as that the water column above test area generates reduces hydraulic type embolism working life；
3, solve the problems, such as that the air in test area can not be discharged.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of side view of building lot field seepage test device described in the embodiment of the present invention；
Fig. 2 is a kind of top view of building lot field seepage test device described in the embodiment of the present invention；
Fig. 3 is a kind of perspective view of building lot field seepage test device described in the embodiment of the present invention；
Fig. 4 is partial enlarged view at the A of Fig. 3；
Fig. 5 is partial enlarged view at the B of Fig. 3；
Fig. 6 is a kind of part-structure perspective view of building lot field seepage test device described in the embodiment of the present invention
One；
Fig. 7 is a kind of part-structure perspective view of building lot field seepage test device described in the embodiment of the present invention
Two；
Fig. 8 is a kind of test method flow chart of building lot field seepage test device described in the embodiment of the present invention；
In figure:
1, water tank；
2, squeezer structure；2a, pressure regulation water pump；2b, flowmeter；2c, pressure gauge；2d, filter screen；
3, the first water pipe；3a, the first branch pipe；3b, the second branch pipe；3c, third branch pipe；
4, the first hydraulic type embolism；
5, the second water pipe；5a, the first three-way solenoid valve；
6, the second hydraulic type embolism；6a, solenoid valve；
7, water pumping mechanism；7a, suction pump；7b, the second three-way solenoid valve；7c, float switch sensor；7d, third electromagnetism
Triple valve；7e, multistage filter.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Wherein, the drawings are for illustrative purposes only and are merely schematic diagrams, rather than pictorial diagram, should not be understood as to this
The limitation of patent；Embodiment in order to better illustrate the present invention, the certain components of attached drawing have omission, zoom in or out, not
Represent the size of actual product；It will be understood by those skilled in the art that certain known features and its explanation may be omitted and be in attached drawing
It is understood that.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that closed if there is the orientation of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" or position
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
In the description of the present invention unless specifically defined or limited otherwise, if there are the indicate indicators such as term " connection "
Between connection relationship, which shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or at
One；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two components interiors or the interaction relationship of two components.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention with concrete condition.
Referring to figs. 1 to a kind of building lot field seepage test device shown in Fig. 8, include water tank 1, squeezer structure 2,
First water pipe 3, the first hydraulic type embolism 4, the second water pipe 5, the second hydraulic type embolism 6 and controller, squeezer structure 2 include to adjust
The input port of water pump 2a, flowmeter 2b and pressure gauge 2c, pressure regulation water pump 2a are connected to water tank 1, the delivery outlet of pressure regulation water pump 2a
Flowmeter 2b is installed, the delivery outlet of pressure regulation water pump 2a is connected to by flowmeter 2b with the input port of the first water pipe 3, the first water pipe
3 be three water service pipe of T shape, and the first delivery outlet of the first water pipe 3 is connected to the first hydraulic type embolism 4, and pressure gauge 2c is fixedly mounted on
Second delivery outlet of the first water pipe 3, the bottom end of the second water pipe 5 are equipped with the first three-way solenoid valve 5a, the second hydraulic type embolism 6
Bottom end is equipped with solenoid valve 6a, the first water pipe 3, the first hydraulic type embolism 4, the second water pipe 5, the first three-way solenoid valve 5a, second
Hydraulic type embolism 6, solenoid valve 6a are linked in sequence from top to bottom；
The input port of first three-way solenoid valve 5a is connected to the second water pipe 5, the first delivery outlet of the first three-way solenoid valve 5a
It is connected to the second hydraulic type embolism 6, the second delivery outlet of the first three-way solenoid valve 5a is arranged outwardly, the first three-way solenoid valve 5a's
The flow of second delivery outlet is less than the flow of pressure regulation water pump 2a, and the input port of solenoid valve 6a is connected to the second hydraulic type embolism 6, electricity
The delivery outlet of magnet valve 6a is arranged downwards, and pressure regulation water pump 2a, the first three-way solenoid valve 5a and solenoid valve 6a are electric with controller
Connection.
After drilling on ground, by the first water pipe 3, the first hydraulic type embolism 4, the second water pipe 5 and the second hydraulic type bolt
It fills in 6 assembly to get up to fill in hole, and solenoid valve 6a is allowed to arrive at bottom hole；
Controller issues the second delivery outlet of the first three-way solenoid valve of signal-off 5a, and pressure regulation water pump 2a works from water tank 1
Middle water suction, water successively pass through pressure regulation water pump 2a, flowmeter 2b, the first water pipe 3, the first hydraulic type embolism 4, the second water pipe 5, first
Three-way solenoid valve 5a, the second hydraulic type embolism 6 arrive at solenoid valve 6a and by being cleaned in solenoid valve 6a device to hole, staff
Judge there is no clast to complete hole flushing in the water gushed out in hole by naked eyes；
Controller issues the delivery outlet of signal-off solenoid valve 6a, while opening three ends of the first three-way solenoid valve 5a
Mouthful, since the second delivery outlet output flow of the first three-way solenoid valve 5a is less than the input flow rate of pressure regulation water pump 2a, the second water pipe 5
The second delivery outlet while be discharged outward the first hydraulic type embolism 4 and the expansion of the second hydraulic type embolism 6 will test section up and down
It is closed at both ends；
It adjusts the output pressure of pressure regulation water pump 2a and data is read by pressure gauge 2c, after reaching pressure balance, on ground
Table record injection flow, pressure and voltage stabling control, and these record data are substituted into corresponding water pressure test in borehole calculation formula,
Calculate the building lot infiltration coefficient between the first hydraulic type embolism 4 and the second hydraulic type embolism 6.
First water pipe 3 includes the first branch pipe 3a, the second branch pipe 3b and third branch pipe 3c, the first branch pipe 3a and third branch pipe
3c is straight tube, and the first branch pipe 3a is horizontally disposed, and third branch pipe 3c is vertically arranged, and the second branch pipe 3b is three water service pipe of T shape, and second
The input port of branch pipe 3b and the first delivery outlet are detachably connected with the first branch pipe 3a, third branch pipe 3c respectively, and pressure gauge 2c is solid
Dingan County is mounted in the second delivery outlet of the second branch pipe 3b.
Second branch pipe 3b is dismountable horizontal water tube, and the mechanism of underground, third branch pipe are protruded into convenient for construction personnel's installation
3c is dismountable vertical water pipe, so that construction personnel can replace the third branch pipe 3c of different length when needed, from
And permeability test is carried out to the position of building lot different depth.
It further include having water pumping mechanism 7, water pumping mechanism 7 includes suction pump 7a and the second three-way solenoid valve 7b, the first water pipe 3
Input port be connected to suction pump 7a, pressure regulation water pump 2a respectively by the second three-way solenoid valve 7b, the delivery outlet of pressure regulation water pump 2a
It is connected to the second three-way solenoid valve 7b, the input port of suction pump 7a is connected to the second three-way solenoid valve 7b, the output of suction pump 7a
Mouth is connected to water tank 1, and suction pump 7a and the second three-way solenoid valve 7b are electrically connected with the controller.
Remain a large amount of water after hole flushing, in hole, will be tried in the first hydraulic type embolism 4 and the second hydraulic type embolism 6
It tests after section closing, the water of 4 top of the first hydraulic type embolism, which just will form, applies stressed water column to the first hydraulic type embolism 4,
Deeper hole will generate higher water column, will also generate bigger hydraulic pressure, to influence the longevity of the first hydraulic type embolism 4
Life, so should pump water remaining in hole after hole flushing, and water filling carries out packer permeability test again；
Controller sends a signal to suction pump 7a and the second three-way solenoid valve 7b, the second three-way solenoid valve 7b closes pressure regulation water
The connection between 2a and the first water pipe 3 is pumped, while opening the connection between suction pump 7a and the first water pipe 3, suction pump 7a starting
It is absorbed water and is discharged to water out of hole by the first water pipe 3, the first hydraulic type embolism 4, the second water pipe 5 and the second hydraulic type embolism 6
In case 1.
Water pumping mechanism 7 further includes having float switch sensor 7c, and float switch sensor 7c is arranged in the first hydraulic type bolt
The top of plug 4 is simultaneously fixedly mounted on the first water pipe 3, and float switch sensor 7c is electrically connected with the controller.
After suction pump 7a drains the water in hole, is filled the water again by pressure regulation water pump 2a and carry out packer permeability test, at this time the
One hydraulic type embolism 4 and the second hydraulic type embolism 6 first expand and blocking test region, then the first hydraulic type embolism 4 and second
Water is full of by the first three-way solenoid valve 5a again between hydraulic type embolism 6, so as to cause the first hydraulic type embolism 4 and the second hydraulic pressure
Gas between formula embolism 6 can not be discharged, so the water in suction pump 7a extraction section hole, when water level decreasing to float switch passes
When the lower section of sensor 7c, float switch sensor 7c sends a signal to controller, and controller sends a signal to suction pump 7a and enables pumping
Water pump 7a stops working, so that water is full of between the first hydraulic type embolism 4 and the second hydraulic type embolism 6 always, without row
Air out.
Water pumping mechanism 7 further includes having third three-way solenoid valve 7d, and third three-way solenoid valve 7d is fixedly mounted on the first water pipe 3
Bottom end, the first delivery outlet of third three-way solenoid valve 7d is connected to the first water pipe 3, the input port court of third three-way solenoid valve 7d
Outer setting, the second delivery outlet of third three-way solenoid valve 7d are connected to the first hydraulic type embolism 4, third three-way solenoid valve 7d and control
Device electrical connection processed.
After hole flushing, suction pump 7a draws water out of hole, in order to avoid suction pump 7a is by the water of the lower section of the first hydraulic type embolism 4
Extraction, while avoiding the remaining clast of bottom hole from entering inside the first hydraulic type embolism 4 and the second hydraulic type embolism 6, influences the
The working life of one hydraulic type embolism 4 and the second hydraulic type embolism 6；Controller sends a signal to third three-way solenoid valve 7d, the
The second delivery outlet of three three-way solenoid valve 7d is closed, and the input port of third three-way solenoid valve 7d and the first delivery outlet are opened, in hole
Water pass sequentially through third three-way solenoid valve 7d, the first water pipe 3, the second three-way solenoid valve 7b, suction pump 7a and be drained into water tank 1
In.
Water pumping mechanism 7 further includes having multistage filter 7e, and suction pump 7a and the second three-way solenoid valve 7b pass through multiple multistages
Filter 7e connection.
When suction pump 7a draws water out of hole, Remaining debris in hole is avoided to be inhaled into suction pump 7a to influence suction pump
The working life of 7a passes through multiple multistage filter 7e filter debris.
The input port of pressure regulation water pump 2a is equipped with filter screen 2d.
Filter screen 2d can be entered inside pressure regulation water pump 2a to avoid clast, the fine sand in water tank 1 to influence pressure regulation
The working life of water pump 2a.
A kind of test method of building lot field seepage test device, which is characterized in that include following steps:
Step 1 drills out blind hole on building lot；
Step 2, assembling infiltration experiment device, infiltration experiment device are placed in hole, and solenoid valve 6a is made to arrive at bottom hole；
Step 3, starting pressure regulation water pump 2a, operate the first three-way solenoid valve 5a, solenoid valve 6a, the second electromagnetism by controller
Triple valve 7b and third three-way solenoid valve 7d, so that water flow passes sequentially through pressure regulation water pump 2a, the second three-way solenoid valve 7b, flowmeter
2b, the first water pipe 3, the first hydraulic type embolism 4, the second water pipe 5, the first three-way solenoid valve 5a, the second hydraulic type embolism 6 and electromagnetism
It is cleaned in valve 6a device to hole, is flowed out until visually observing aperture without clast；
Step 4 closes suction pump 7a, starts pressure regulation water pump 2a, operates the first three-way solenoid valve 5a, electromagnetism by controller
Valve 6a, the second three-way solenoid valve 7b and third three-way solenoid valve 7d, so that water flow passes sequentially through pressure regulation water pump 2a, the second electromagnetism three
Port valve 7b, flowmeter 2b, the first water pipe 3, the first hydraulic type embolism 4, the second water pipe 5 and the first three-way solenoid valve 5a enter
It is discharged simultaneously by the first three-way solenoid valve 5a in two hydraulic type embolisms 6；
Step 5, the output pressure for adjusting pressure regulation water pump 2a simultaneously read data by pressure gauge 2c, when reaching pressure balance
Afterwards, injection flow, pressure and voltage stabling control are recorded in earth's surface, and these record data is substituted into corresponding water pressure test in borehole meter
Formula is calculated, the building lot infiltration coefficient between the first hydraulic type embolism 4 and the second hydraulic type embolism 6 is calculated；
Step 6, disassembly infiltration experiment device simultaneously take out it from hole, then drilling downwards again；
Step 7 repeats step 1 to step 7, until the full depth to building lot carries out permeability test.
Between step 3 and step 4, there are also steps 3.1:
Step 3.1 closes pressure regulation water pump 2a, starts suction pump 7a, operates the first three-way solenoid valve 5a, electricity by controller
Magnet valve 6a, the second three-way solenoid valve 7b and third three-way solenoid valve 7d, so that the water above test area passes sequentially through third electricity
Magnetic triple valve 7d, the first water pipe 3, multistage filter 7e, suction pump 7a are discharged in water tank 1.
The depth to drill every time must not exceed the length of the second water pipe 5.
Drilling depth is more than that the length of the second water pipe 5 will lead to the partial depth of building lot and be in except test area.
The working principle of the invention:
Blind hole is drilled out on building lot, infiltration experiment device is placed in hole by step 2, assembling infiltration experiment device, and
So that solenoid valve 6a arrives at bottom hole, the first three-way solenoid valve 5a, solenoid valve 6a, the second three-way solenoid valve 7b are operated by controller
With third three-way solenoid valve 7d, to change water route；
Start pressure regulation water pump 2a, water flow passes sequentially through pressure regulation water pump 2a, the second three-way solenoid valve 7b, flowmeter 2b, first
Water pipe 3, the first hydraulic type embolism 4, the second water pipe 5, the first three-way solenoid valve 5a, the second hydraulic type embolism 6 and 6a pairs of solenoid valve
It is cleaned in hole, is flowed out until visually observing aperture without clast；It is then switched off pressure regulation water pump 2a, starts suction pump 7a, water flow
Third three-way solenoid valve 7d, the first water pipe 3, multistage filter 7e, suction pump 7a is passed sequentially through to be discharged in water tank 1；It turns off
Suction pump 7a, starts pressure regulation water pump 2a, and water flow passes sequentially through pressure regulation water pump 2a, the second three-way solenoid valve 7b, flowmeter 2b, first
Water pipe 3, the first hydraulic type embolism 4, the second water pipe 5 and the first three-way solenoid valve 5a are entered in the second hydraulic type embolism 6 simultaneously
It is discharged by the first three-way solenoid valve 5a；
It adjusts the output pressure of pressure regulation water pump 2a and data is read by pressure gauge 2c, after reaching pressure balance, on ground
Table record injection flow, pressure and voltage stabling control, and these record data are substituted into corresponding water pressure test in borehole calculation formula,
Calculate the building lot infiltration coefficient between the first hydraulic type embolism 4 and the second hydraulic type embolism 6；Disassembly is seeped after the completion of calculating
Saturating experimental rig simultaneously takes out it from hole, and then drilling, the depth to drill every time must not exceed the second water pipe 5 downwards again
Length；
Aforesaid operations are repeated, until the full depth to building lot carries out permeability test.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason.It will be understood by those skilled in the art that various modifications, equivalent replacement, variation etc. can also be done to the present invention.But this
A little transformation, all should be within protection scope of the present invention without departing from spirit of the invention.In addition, present specification and power
Some terms used in sharp claim are not limitation, it is only for convenient for description.
Claims (10)
1. a kind of building lot field seepage test device, which is characterized in that include water tank (1), squeezer structure (2), first
Water pipe (3), the first hydraulic type embolism (4), the second water pipe (5), the second hydraulic type embolism (6) and controller, squeezer structure (2) packet
Pressure regulation water pump (2a), flowmeter (2b) and pressure gauge (2c) are included, the input port of pressure regulation water pump (2a) is connected to water tank (1), is adjusted
The delivery outlet of water pump (2a) is equipped with flowmeter (2b), and the delivery outlet of pressure regulation water pump (2a) passes through flowmeter (2b) and the first water
The input port connection of (3) is managed, the first water pipe (3) is three water service pipe of T shape, the first delivery outlet and the first hydraulic pressure of the first water pipe (3)
Formula embolism (4) connection, pressure gauge (2c) are fixedly mounted on the second delivery outlet of the first water pipe (3), the bottom end peace of the second water pipe (5)
Equipped with the first three-way solenoid valve (5a), the bottom end of the second hydraulic type embolism (6) is equipped with solenoid valve (6a), the first water pipe (3),
One hydraulic type embolism (4), the second water pipe (5), the first three-way solenoid valve (5a), the second hydraulic type embolism (6), solenoid valve (6a) are certainly
Upper and lower sequential connection；
The input port of first three-way solenoid valve (5a) is connected to the second water pipe (5), the first output of the first three-way solenoid valve (5a)
Mouth is connected to the second hydraulic type embolism (6), and the second delivery outlet of the first three-way solenoid valve (5a) is arranged outwardly, the first electromagnetic three-way
The flow of second delivery outlet of valve (5a) is less than the flow of pressure regulation water pump (2a), the input port of solenoid valve (6a) and the second hydraulic type
Embolism (6) connection, the delivery outlet of solenoid valve (6a) is arranged downwards, pressure regulation water pump (2a), the first three-way solenoid valve (5a) and
Solenoid valve (6a) is electrically connected with the controller.
2. a kind of building lot field seepage test device according to claim 1, which is characterized in that the first water pipe (3)
It include the first branch pipe (3a), the second branch pipe (3b) and third branch pipe (3c), the first branch pipe (3a) and third branch pipe (3c) are
Straight tube, the first branch pipe (3a) are horizontally disposed, and third branch pipe (3c) is vertically arranged, and the second branch pipe (3b) is three water service pipe of T shape, and second
The input port of branch pipe (3b) and the first delivery outlet are detachably connected with the first branch pipe (3a), third branch pipe (3c) respectively, pressure
Table (2c) is fixedly mounted on the second delivery outlet of the second branch pipe (3b).
3. a kind of building lot field seepage test device according to claim 1, which is characterized in that further include drawing water
Mechanism (7), water pumping mechanism (7) include suction pump (7a) and the second three-way solenoid valve (7b), and the input port of the first water pipe (3) is logical
The second three-way solenoid valve (7b) is crossed to be connected to suction pump (7a), pressure regulation water pump (2a) respectively, the delivery outlet of pressure regulation water pump (2a) with
Second three-way solenoid valve (7b) connection, the input port of suction pump (7a) are connected to the second three-way solenoid valve (7b), suction pump (7a)
Delivery outlet be connected to water tank (1), suction pump (7a) and the second three-way solenoid valve (7b) are electrically connected with the controller.
4. a kind of building lot field seepage test device according to claim 3, which is characterized in that water pumping mechanism (7)
Further include having float switch sensor (7c), float switch sensor (7c) setting the top of the first hydraulic type embolism (4) simultaneously
It is fixedly mounted on the first water pipe (3), float switch sensor (7c) is electrically connected with the controller.
5. a kind of building lot field seepage test device according to claim 3, which is characterized in that water pumping mechanism (7)
It further include having third three-way solenoid valve (7d), third three-way solenoid valve (7d) is fixedly mounted on the bottom end of the first water pipe (3), third
First delivery outlet of three-way solenoid valve (7d) is connected to the first water pipe (3), and the input port of third three-way solenoid valve (7d) is towards peripheral hardware
Set, the second delivery outlet of third three-way solenoid valve (7d) is connected to the first hydraulic type embolism (4), third three-way solenoid valve (7d) with
Controller electrical connection.
6. a kind of building lot field seepage test device according to claim 3, which is characterized in that water pumping mechanism (7)
It further include having multistage filter (7e), suction pump (7a) and the second three-way solenoid valve (7b) are connected by multiple multistage filters (7e)
It is logical.
7. a kind of building lot field seepage test device according to claim 1, which is characterized in that pressure regulation water pump (2a)
Input port filter screen (2d) is installed.
8. a kind of test method of building lot field seepage test device described in any one in -7 according to claim 1,
It is characterised in that it includes there is following steps:
Step 1 drills out blind hole on building lot；
Step 2, assembling infiltration experiment device, infiltration experiment device are placed in hole, and solenoid valve (6a) is made to arrive at bottom hole；
Step 3, starting pressure regulation water pump (2a) pass through controller operation the first three-way solenoid valve (5a), solenoid valve (6a), the second electricity
Magnetic triple valve (7b) and third three-way solenoid valve (7d), so that water flow passes sequentially through pressure regulation water pump (2a), the second three-way solenoid valve
(7b), flowmeter (2b), the first water pipe (3), the first hydraulic type embolism (4), the second water pipe (5), the first three-way solenoid valve (5a),
It is cleaned in second hydraulic type embolism (6) and solenoid valve (6a) device to hole, is flowed out until visually observing aperture without clast；
Step 4 closes suction pump (7a), starts pressure regulation water pump (2a), passes through controller operation the first three-way solenoid valve (5a), electricity
Magnet valve (6a), the second three-way solenoid valve (7b) and third three-way solenoid valve (7d) so that water flow pass sequentially through pressure regulation water pump (2a),
Second three-way solenoid valve (7b), flowmeter (2b), the first water pipe (3), the first hydraulic type embolism (4), the second water pipe (5) and first
Three-way solenoid valve (5a) is entered in the second hydraulic type embolism (6) while being discharged by the first three-way solenoid valve (5a)；
Step 5, the output pressure for adjusting pressure regulation water pump (2a) simultaneously read data by pressure gauge (2c), when reaching pressure balance
Afterwards, injection flow, pressure and voltage stabling control are recorded in earth's surface, and these record data is substituted into corresponding water pressure test in borehole meter
Formula is calculated, the building lot infiltration coefficient between the first hydraulic type embolism (4) and the second hydraulic type embolism (6) is calculated；
Step 6, disassembly infiltration experiment device simultaneously take out it from hole, then drilling downwards again；
Step 7 repeats step 1 to step 7, until the full depth to building lot carries out permeability test.
9. a kind of test method of building lot field seepage test device according to claim 8, which is characterized in that
Between step 3 and step 4, there are also steps 3.1:
Step 3.1, close pressure regulation water pump (2a), start suction pump (7a), by controller operation the first three-way solenoid valve (5a),
Solenoid valve (6a), the second three-way solenoid valve (7b) and third three-way solenoid valve (7d), so that the water above test area successively leads to
Third three-way solenoid valve (7d), the first water pipe (3), multistage filter (7e), suction pump (7a) is crossed to be discharged in water tank (1).
10. a kind of test method of building lot field seepage test device according to claim 8, which is characterized in that
The depth to drill every time must not exceed the length of the second water pipe (5).
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