CN206563699U - Portable many depth of penetration coefficient field measurement apparatus - Google Patents
Portable many depth of penetration coefficient field measurement apparatus Download PDFInfo
- Publication number
- CN206563699U CN206563699U CN201720106469.2U CN201720106469U CN206563699U CN 206563699 U CN206563699 U CN 206563699U CN 201720106469 U CN201720106469 U CN 201720106469U CN 206563699 U CN206563699 U CN 206563699U
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- China
- Prior art keywords
- steel pipe
- current signal
- measurement apparatus
- resistance
- field measurement
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- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 230000035515 penetration Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 43
- 239000010959 steel Substances 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000035699 permeability Effects 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 description 13
- 238000001764 infiltration Methods 0.000 description 13
- 239000002689 soil Substances 0.000 description 10
- 238000011065 in-situ storage Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007903 penetration ability Effects 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses the portable many depth of penetration coefficient field measurement apparatus of one kind, including steel pipe main body, it is characterised in that：Described steel pipe main body is made up of the front and rear hollow steel tube being mutually socketed；Outermost first steel pipe is socketed in provided with detachable instrument board, described instrument board is built with timer, current signal converter；Water level current signal collector is provided with described steel pipe main body, described water level current signal collector is made up of the resistance being serially connected, power supply, power switch, ammeter, current signal collector, sealed cistern wired in series；The current changing signal of described current signal collector collection is transferred to current signal converter, current changing signal is converted to timing trigger signal triggering timing device read access time data by described current signal converter, and passage time and the Volume Changes relation of water trough inner water draw permeability.The utility model is simple to operate, portable, and function is strong and the characteristics of low cost.
Description
Technical field
The utility model is related to a kind of geotechnological in-situ test device, more particularly to a kind of dress of in-site measurement infiltration coefficient
Put.
Background technology
Infiltration coefficient is an index of combined reaction soil body penetration ability, and the correct determination of its numerical value has to infiltration calculation
Very important meaning.Its numerical value can be measured in laboratory and obtained, and in-situ test can also be carried out at the construction field (site) and obtained
Arrive.
Publication No. 103091229A patent is on-site testing device, but because its structure is not sufficiently stable, sealing effect
It is difficult to ensure that, measurement result may not reach expected requirement.
Publication No. 104155229A patent is portable soil top layer vertical permeability experimental facility in situ, but the dress
Put structure complex, it is complex in terms of operation and carrying.
Publication No. 103344542A patent and Publication No. 103868838A patent are indoor test device, room
The method that interior experiment is generally fetched earth using original position, tests filling, makes the experiment soil body close to live compactness, mould to hit the mode such as real
Intend original position soil Penetration Signature, it is mainly, and convenient test, measurement means are relatively advanced, but by the soil nature matter after disturbance always
Change a little, therefore the infiltration coefficient obtained can have differences with the infiltration coefficient of live soil.Therefore acquired results can not be anti-
Reflect the truth of the soil body.
Utility model content
In view of the defect that prior art is present, the utility model proposes a kind of device of on-site measurement infiltration coefficient, its mesh
The infiltration coefficient for being to measure different depth stratum.The present apparatus is simple to operate, portable, and function is strong and the characteristics of low cost.
To reach above-mentioned purpose, solution of the present utility model is：
A kind of portable many depth of penetration coefficient field measurement apparatus, including steel pipe main body, it is characterised in that：Described steel
Pipe main body is telescopic structure, is made up of the front and rear hollow steel tube being mutually socketed；It is socketed on outermost first steel pipe and sets
There is detachable instrument board, described instrument board is built with timer, current signal converter；It is socketed in most inner side least significant end steel
Manage as testing tube, the testing tube is made up of pile crown with test body, described pile crown can by screw thread with the test body
Dismounting connection；Described test tube wall, which is provided with through hole, described through hole, is provided with filter cover；In described steel pipe main body
Provided with water level current signal collector, described water level current signal collector is by the resistance, power supply, power supply that are serially connected successively
Switch, ammeter, current signal collector, sealed cistern are made up of wired in series, described sealed cistern be located at through hole with
Between pile crown；Described through hole is connected provided with conduit with sealed cistern, and described sealed cistern bottom is switched provided with sluicing, described
Sealed cistern be provided with from top to bottom first resistor tie point, second resistance tie point, 3rd resistor tie point and the 4th electricity
Hinder and electrically connect resistance between tie point, described adjacent ohmic connection points, first resistor, the second electricity are followed successively by from top to bottom
Resistance, 3rd resistor and the 4th resistance, the other end and power electric connection of described the 4th resistance；Described current signal collector
The current changing signal of collection is transferred to current signal converter, and described current signal converter changes current changing signal
For timing trigger signal triggering timing device while read access time data.
Further, described power supply, power switch, ammeter, first resistor, second resistance, 3rd resistor and the 4th electricity
Resistance is arranged in described instrument board.
Further, the wire is water proof wire.
Further, connection can be threadably secured between adjacent hollow steel tube.
Further, described hollow steel tube inwall is kept off away from pile crown end provided with steel pipe lattice, and described steel pipe lattice gear is
Annular shape, described steel pipe lattice gear limitation steel pipe excess shrinkage, influences it normally to use.
Further, described sealed cistern is plastic material.
Further, the pile crown sets water-stop glue band with test body junction.
Further, the first described steel tube end part is provided with cushion block.
Further, soil is determined using portable many depth of penetration coefficient field measurement apparatus described in the utility model
The method of infiltration coefficient is：
In use, closure power switch, is passing through t0After time, the water level in sealed cistern reaches the first tie point, electricity
Road is connected, and first resistor, second resistance, 3rd resistor and the 4th resistance are started working, and ammeter begins with reading, current signal
The current changing signal that current signal collector is transmitted is converted into timing trigger signal triggering timing device 5 and starts work by converter
Make.
Further, with the seepage water increase in sealed cistern 7, the water level of sealed cistern is begun to ramp up, per lifting height h
One resistance of short circuit, the electric current of circuit changes, the time point t that timer record electric current changes1,t2,...,tn, it is fixed
Adopted Δ t is the difference at two neighboring time point, and the cross-sectional area of sealed cistern 7 is S.
Further, according to the data calculation permeability coefficient of acquisition, each stage infiltration coefficient can be respectively obtained
Further, average infiltration coefficient is calculated
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model has retractor device, and volume accounting is small when not in use, easy to carry.
2nd, the utility model is simple to operate, and most workmen is operable, it is only necessary to record data, substitutes into formula and is
It can obtain infiltration coefficient.
3rd, the utility model is in-situ test experimental provision, and the soil permeability coefficient that in-site measurement is obtained is with more true
Property.
4th, the utility model can measure the seepage coefficient of different depth soil, and the data volume of acquisition is bigger.
5th, manufacturing cost of the present utility model is low, with stronger generalization.
Brief description of the drawings
Fig. 1 is device overall diagram；
Fig. 2 is device Local map one；
Fig. 3 is device expanded view；
Fig. 4 is device Local map two；
Fig. 5 is device Local map three；
Fig. 6 is device Local map four；
Fig. 7 is equipment circuit connection figure.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art
The utility model can be better understood from and can be practiced, but illustrated embodiment is limited not as to of the present utility model.
In figure, 1. instrument boards, 2. cushion blocks, 3. power switches, 4. ammeters, 5. timers, 6. steel pipe main bodys, 7. sealing water
Groove, 8. through holes, 9. filter covers, 10. pile crowns, 11. steel pipe lattice gear, 12. first steel pipes, 13. wires, 14. 3rd resistors, 15. electricity
Flow signal collector, 16. current signal converters, 17. the 4th resistance, 18. test bodys, 19. first resistor tie points, 20.
Second resistance tie point, 21. 3rd resistor tie points, 22. the 4th ohmic connection points, 23. first resistors, 24. second resistances.
A kind of portable many depth of penetration coefficient field measurement apparatus, including steel pipe main body 6, it is characterised in that：Described
Steel pipe main body 6 is telescopic structure, is made up of the front and rear hollow steel tube being mutually socketed；It is socketed in outermost first steel pipe 12
Detachable instrument board 1 is provided with, described instrument board 1 is built with timer 5, current signal converter 16；It is socketed in most interior
Side least significant end steel pipe is testing tube, and the testing tube is made up of pile crown 10 with test body 18, and described pile crown 10 is surveyed with described
Test tube body 18 is detachably connected by screw thread；The described side wall of test body 18 is provided with through hole 8, described through hole 8 and is provided with
Filter cover 9；Be provided with water level current signal collector in described steel pipe main body 6, described water level current signal collector 15 by
The resistance that is serially connected successively, power supply, power switch 3, ammeter 4, current signal collector 15, sealed cistern 7 are by wire
13 are composed in series, and described sealed cistern 7 is located between through hole 8 and pile crown 10；Described through hole 8 is provided with conduit and sealed cistern
7 connections, the described bottom of sealed cistern 7 is switched provided with sluicing, and described sealed cistern 7 is provided with first resistor company from top to bottom
Contact 19, second resistance tie point 20, the ohmic connection points 22 of 3rd resistor tie point 21 and the 4th, described adjacent resistance connect
Resistance is electrically connect between contact, first resistor 23, second resistance 24, the resistance of 3rd resistor 14 and the 4th are followed successively by from top to bottom
17, the other end and power electric connection of described the 4th resistance 17；The curent change that described current signal collector 15 is gathered
Signal is transferred to current signal converter 16, and current changing signal is converted to timing triggering by described current signal converter 16
Signal triggering timing device 5 is while read access time data.
Described power supply, power switch 3, ammeter 4, first resistor 23, second resistance 24, the electricity of 3rd resistor 14 and the 4th
Resistance 17 is arranged in described instrument board 1.
The wire 23 is water proof wire.
Connection can be threadably secured between adjacent hollow steel tube.
Described hollow steel tube inwall is keeping off 11 away from the end of pile crown 10 provided with steel pipe lattice, and described steel pipe lattice gear 11 is circle
Ring-type.
Described sealed cistern 7 is plastic material.
The pile crown 10 sets water-stop glue band with test body 18 junction.
The described end of the first steel pipe 12 is provided with cushion block 2.
The distance between every two neighboring ohmic connection points of setting are h, and the cross-sectional area of sealed cistern 7 is S.
During work, power switch 3 is closed, is passing through t0After time, the water level in sealed cistern 7 reaches the first tie point
19, circuit is connected, and first resistor 23, second resistance 24, the resistance 17 of 3rd resistor 14 and the 4th are started working, and ammeter 4 starts
There is reading, current signal converter 17 passes to the signal that current signal collector 16 is transmitted in timer 5, and timer 5 starts
Work.
With the seepage water increase in sealed cistern 7, the water level of sealed cistern 7 is begun to ramp up, per lifting height h short circuits
One resistance, the electric current of circuit changes, the time point t that the record current of timer 5 changes1,t2,...,tn, definition
Δ t is the difference at two neighboring time point.
According to the data calculation permeability coefficient of acquisition, each stage infiltration coefficient can be respectively obtained
Calculate average infiltration coefficient
Embodiment described above be only to absolutely prove preferred embodiment that the utility model patent is lifted, this patent
Protection domain not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of this patent,
Within the protection domain of this patent.The protection domain of this patent is defined by claims.
Claims (8)
1. a kind of portable many depth of penetration coefficient field measurement apparatus, including steel pipe main body (6), it is characterised in that：Described
Steel pipe main body (6) is telescopic structure, is made up of the front and rear hollow steel tube being mutually socketed；It is socketed in outermost first steel pipe
(12) detachable instrument board (1) is provided with, described instrument board (1) is built with timer (5), current signal converter
(16)；It is testing tube to be socketed in most inner side least significant end steel pipe, and the testing tube is made up of pile crown (10) with test body (18), institute
The pile crown (10) stated is detachably connected with the test body (18) by screw thread；Described test body (18) side wall is provided with
Filter cover (9) is provided with through hole (8), described through hole (8)；Collected in described steel pipe main body (6) provided with water level current signal
Device (15), described water level current signal collector is by the resistance, power supply, power switch (3), the ammeter that are serially connected successively
(4), current signal collector (15), sealed cistern (7) are composed in series by wire (13), and described sealed cistern (7) is located at
Between through hole (8) and pile crown (10)；Described through hole (8) is connected provided with conduit with sealed cistern (7), described sealed cistern
(7) bottom is switched provided with sluicing, and described sealed cistern (7) is provided with first resistor tie point (19), the second electricity from top to bottom
Hinder tie point (20), 3rd resistor tie point (21) and the 4th ohmic connection points (22), described adjacent ohmic connection points it
Between electrically connect resistance, first resistor (23), second resistance (24), 3rd resistor (14) and the 4th resistance are followed successively by from top to bottom
(17), the other end and power electric connection of the 4th described resistance (17)；The electricity of described current signal collector (15) collection
Stream variable signal is transferred to current signal converter (16), and described current signal converter (16) changes current changing signal
It is timing trigger signal triggering timing device (5) while read access time data.
2. portable many depth of penetration coefficient field measurement apparatus according to claim 1, it is characterised in that：Described electricity
Source, power switch (3), ammeter (4), first resistor (23), second resistance (24), 3rd resistor (14) and the 4th resistance (17)
It is arranged in described instrument board (1).
3. portable many depth of penetration coefficient field measurement apparatus according to claim 1, it is characterised in that：The wire
(13) it is water proof wire.
4. portable many depth of penetration coefficient field measurement apparatus according to claim 1, it is characterised in that：Adjacent is hollow
Connection can be threadably secured between steel pipe.
5. portable many depth of penetration coefficient field measurement apparatus according to claim 4, it is characterised in that：Described is hollow
Steel pipe inner wall is keeping off (11) away from pile crown (10) end provided with steel pipe lattice, and described steel pipe lattice gear (11) is annular shape.
6. portable many depth of penetration coefficient field measurement apparatus according to claim 1, it is characterised in that：Described sealing
Tank (7) is plastic material.
7. portable many depth of penetration coefficient field measurement apparatus according to claim 1, it is characterised in that：The pile crown
(10) water-stop glue band is set with test body (18) junction.
8. portable many depth of penetration coefficient field measurement apparatus according to claim 1, it is characterised in that：Described first
Steel pipe (12) end is provided with cushion block (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106469.2U CN206563699U (en) | 2017-01-24 | 2017-01-24 | Portable many depth of penetration coefficient field measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720106469.2U CN206563699U (en) | 2017-01-24 | 2017-01-24 | Portable many depth of penetration coefficient field measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563699U true CN206563699U (en) | 2017-10-17 |
Family
ID=60029152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720106469.2U Expired - Fee Related CN206563699U (en) | 2017-01-24 | 2017-01-24 | Portable many depth of penetration coefficient field measurement apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN206563699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841003A (en) * | 2017-01-24 | 2017-06-13 | 浙江工业大学 | Portable many depth of penetration coefficient field measurement apparatus |
-
2017
- 2017-01-24 CN CN201720106469.2U patent/CN206563699U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106841003A (en) * | 2017-01-24 | 2017-06-13 | 浙江工业大学 | Portable many depth of penetration coefficient field measurement apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20200124 |