CN206695741U - Foundation pile sediment thickness tester - Google Patents
Foundation pile sediment thickness tester Download PDFInfo
- Publication number
- CN206695741U CN206695741U CN201720461156.9U CN201720461156U CN206695741U CN 206695741 U CN206695741 U CN 206695741U CN 201720461156 U CN201720461156 U CN 201720461156U CN 206695741 U CN206695741 U CN 206695741U
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- China
- Prior art keywords
- resistivity measurement
- measurement probe
- data processing
- display
- foundation pile
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
This application discloses a kind of foundation pile sediment thickness tester, including support frame, fixed pulley, resistivity measurement probe, winch and hand-held control display, support frame is foldable tripod, fixed pulley is fixed on the top of support frame, resistivity measurement probe is deep into the hole being drilled with foundation pile by halliard through the fixed pulley, halliard one end connects with resistivity measurement probe, other end connection winch；Resistivity measurement is popped one's head in and hand-held control display wireless connection；AD conversion unit, data processing unit and display unit are provided with hand-held control display, AD conversion unit mutually couples with resistivity measurement probe and data processing unit respectively；Data processing unit mutually couples with AD conversion unit and display unit respectively；Display unit couples with data processing unit.The foundation pile sediment thickness tester of the application accurately measures the thickness of sediment by measuring the electrical conductivity of sediment, and the tester is simple in construction, measurement result is accurate, strong applicability.
Description
Technical field
Building testing equipment field is the utility model is related to, is to be related to a kind of foundation pile sediment thickness tester specifically.
Background technology
Sediment refers to the heavy silt that bottom hole is remained in after pore-forming, including the mud of rig cutting and hole wall slump in boring procedure
Soil, gravel and sand etc..Sediment mechanical property is very low, and its deformation modulus is the half of soil around pile, and cohesive strength only has soil around pile
1/10.Obviously, the blocked up bearing capacity that will reduce stake of pile bottom sediment, settling amount increases after causing a load-bearing, influences the normal of engineering
Operation.
Because sediment proposes restriction to sediment thickness to bearing capacity of pile foundation and the adverse effect of sedimentation, domestic relevant code
It is required that.JGJ94-2008 technical code for building pile foundation provides:End holds type stake and is not more than 50mm, and Piles for Friction Piles is not more than 100mm, resists
Pull out, horizontal force resistant stake is not more than 200mm.GB50202-2002 building foundation engineering construction qualities acceptance specification provides:End
Hold type stake and be not more than 50mm, Piles for Friction Piles is not more than 150mm.Although the regulation of above-mentioned specification is not quite similar, but all thick to sediment
Degree, which proposes, to be clearly required.
Now conventional detection method mainly uses core drilling method, is edited and recorded by core boring sampling and to it, measures core sample
Middle sediment thickness, sediment of the hole bottom mainly by pore-forming when loose soil or hole pile lining slough form, in boring procedure must plus
Water is drilled, and sediment is easily washed away and can not obtain core sample, and to apply certain pressure to drilling rod in drilling process
Power, differed greatly by the sediment thickness that core sample measures compared with actual, therefore, prior art can not accurately represent sediment thickness
Degree.
Utility model content
The purpose of this utility model is the deficiency for solving above-mentioned technology, there is provided a kind of base for being capable of accurate measurement sediment thickness
Stake sediment thickness tester.
In order to solve the above technical problems, the utility model provides a kind of foundation pile sediment thickness tester, including support frame,
Fixed pulley, resistivity measurement probe, winch and hand-held control display, wherein, support frame is foldable tripod, fixed pulley
The top of support frame is fixed on, resistivity measurement probe is deep into the hole being drilled with foundation pile by halliard through the fixed pulley
Interior, halliard one end connects with resistivity measurement probe, other end connection winch；Resistivity measurement is popped one's head in aobvious with hand-held control
Show device wireless connection；The hand-held control display mutually couples with resistivity measurement probe；The hand-held control is aobvious
Show and be provided with AD conversion unit, data processing unit and display unit in device, wherein, the AD conversion unit respectively with it is described
Resistivity measurement probe mutually couples with data processing unit；The data processing unit respectively with the AD conversion unit and aobvious
Show that unit mutually couples；The display unit couples with the data processing unit.
Preferably, the resistivity measurement probe is made up of emission electrode and induction electrode.
Preferably, the display is liquid crystal display.
Compared with prior art, foundation pile sediment thickness tester described in the utility model, has reached following effect：
The foundation pile sediment thickness tester of the application accurately measures the thickness of sediment by measuring the electrical conductivity of sediment
Degree, the tester is simple in construction, measurement result is accurate, strong applicability.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms one of the present utility model
Point, schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is foundation pile sediment thickness tester structural representation；
Fig. 2 is that hand-held controls display device structure schematic diagram；
Fig. 3 is that sediment thickness differentiates profile；
Wherein：1- support frames；2- fixed pulleys；3- resistivity measurements are popped one's head in；4- winches；5- hand-helds control display；6-
Halliard；501- AD conversion units；502- data processing units；503- display units.
Embodiment
Some vocabulary has such as been used to censure specific components among specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in receivable error range, those skilled in the art can be described within a certain error range solution
Technical problem, basically reach the technique effect.In addition, " coupling " one word is herein comprising any direct and indirect electric property coupling
Means.Therefore, if the first device of described in the text one is coupled to a second device, representing the first device can directly electrical coupling
The second device is connected to, or the second device is electrically coupled to indirectly by other devices or coupling means.Specification
Subsequent descriptions is implement better embodiment of the present utility model, and so the description is to illustrate rule of the present utility model
For the purpose of, it is not limited to the scope of the utility model.The scope of protection of the utility model, which is worked as, regards appended claims institute circle
The person of determining is defined.
The utility model is described in further detail below in conjunction with accompanying drawing, but not as to restriction of the present utility model.
As depicted in figs. 1 and 2, there is provided including support frame 1, fixed pulley 2, resistivity measurement probe 3, winch 4 and hold
Formula controls display 5, wherein, support frame 1 is foldable tripod, and fixed pulley 2 is fixed on the top of support frame 1, and resistivity is surveyed
Probe header 3 is deep into the hole being drilled with foundation pile by halliard 6 through the fixed pulley 2, and the one end of halliard 6 is surveyed with resistivity
Probe header 3 connects, other end connection winch 4；Resistivity measurement probe 3 and the hand-held control wireless connection of display 5；The hand
Hold formula control display 5 and resistivity measurement probe 3 phases coupling；Turn in the hand-held control display 5 provided with modulus
Change unit 501, data processing unit 502 and display unit 503, wherein, the AD conversion unit 501 respectively with the resistance
Rate test probe 3 mutually couples with data processing unit 502；The data processing unit 502 respectively with the AD conversion unit
501 mutually couple with display unit 503；The display unit 503 couples with the data processing unit 502.The resistivity is surveyed
Probe header 3 is made up of emission electrode and induction electrode.The structure of resistivity measurement probe 3 uses structure of the prior art, this
In its structure is not defined.The display is liquid crystal display.
Because obvious differential resistivity be present with mud of the top based on suspended particulate in the larger mud of drilling bottom proportion
It is different, when being put into the formation electric field of the emission electrode in hole on probe, the change of the induction electrode measurement electric field on probe, i.e. basis
The electrical potential difference that induction electrode measures obtains the resistivity of probe surrounding medium.When the medium between emission electrode and induction electrode into
Point do not change, i.e., when medium is composition uniform mud, resistivity curve is the curve of a relative smooth；Work as emission electrode
Medium composition between induction electrode changes, i.e., in sediment, the resistivity of induction electrode record can change.Inspection
During survey, the probe being made up of emission electrode and induction electrode is declined with fixed collection spacing along drilling depth direction, and instrument is then
Automatically one resistivity of record.The resistivity (ρ s) of actual measurement is drawn as a curve along depth (H) direction change, such as Fig. 3 institutes
Show, point of inflexion on a curve is sediment top interface, and sediment thickness subtracts deep corresponding to the interface of sediment top for depth corresponding to drilling bottom
Degree.And this calculating process is carried out in data processing unit 502, resistivity measurement probe 3 is measured data after electrical conductivity
Send to AD conversion unit 501 and be converted into electrical conductivity data signal, afterwards send electrical conductivity data signal to data processing
Unit 502, data processing unit 502 draws sediment thickness and differentiates schematic graph, and differentiates profile according to sediment thickness
Draw sediment thickness.
Some preferred embodiments of the present utility model have shown and described in described above, but as previously described, it should be understood that this
Utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various
Other combinations, modification and environment, and above-mentioned teaching or association area can be passed through in utility model contemplated scope described herein
Technology or knowledge be modified.And the change and change that those skilled in the art are carried out do not depart from spirit of the present utility model and model
Enclose, then all should be in the protection domain of the appended claims for the utility model.
Claims (3)
1. a kind of foundation pile sediment thickness tester, it is characterised in that including support frame, fixed pulley, resistivity measurement probe, winch
Display is controlled with hand-held, wherein,
Support frame is foldable tripod, and fixed pulley is fixed on the top of support frame；
Resistivity measurement probe is deep into the hole being drilled with foundation pile by halliard through the fixed pulley；
Halliard one end connects with resistivity measurement probe, other end connection winch；
Resistivity measurement is popped one's head in and hand-held control display wireless connection；
The hand-held control display mutually couples with resistivity measurement probe, is provided with the hand-held control display
AD conversion unit, data processing unit and display unit, wherein, the AD conversion unit respectively with the resistivity measurement
Probe mutually couples with data processing unit；The data processing unit respectively with the AD conversion unit and display unit phase coupling
Connect；The display unit couples with the data processing unit.
2. foundation pile sediment thickness tester according to claim 1, it is characterised in that the resistivity measurement probe is by sending out
Radio pole and induction electrode composition.
3. foundation pile sediment thickness tester according to claim 1, it is characterised in that the display is liquid crystal display
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461156.9U CN206695741U (en) | 2017-04-28 | 2017-04-28 | Foundation pile sediment thickness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461156.9U CN206695741U (en) | 2017-04-28 | 2017-04-28 | Foundation pile sediment thickness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206695741U true CN206695741U (en) | 2017-12-01 |
Family
ID=60447637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720461156.9U Expired - Fee Related CN206695741U (en) | 2017-04-28 | 2017-04-28 | Foundation pile sediment thickness tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206695741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670185A (en) * | 2020-05-13 | 2021-11-19 | 南京铭创测控科技有限公司 | Resistance type sediment thickness measurement system |
-
2017
- 2017-04-28 CN CN201720461156.9U patent/CN206695741U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670185A (en) * | 2020-05-13 | 2021-11-19 | 南京铭创测控科技有限公司 | Resistance type sediment thickness measurement system |
| CN113670185B (en) * | 2020-05-13 | 2024-05-17 | 南京铭创测控科技有限公司 | Resistance type sediment thickness measurement system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20210428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |