CN105675729B - The sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method - Google Patents
The sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method Download PDFInfo
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- CN105675729B CN105675729B CN201610122099.1A CN201610122099A CN105675729B CN 105675729 B CN105675729 B CN 105675729B CN 201610122099 A CN201610122099 A CN 201610122099A CN 105675729 B CN105675729 B CN 105675729B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
Abstract
The invention discloses the sonic sensor groups being freely combined detected for foundation pile acoustic transmission beam method, including cable L, further include the cable connector end LBS set gradually from top to bottom, N number of acoustic transducer element S and transmitting connector end BP, N are the natural number more than or equal to 1；Cable L includes ground wire LG, high-voltage line LT and N root signal wire ChI；Each acoustic transducer element S includes transducer unit Tr, top connector end STP and base connector end SBS；Cable connector end LBS, top connector end STP, base connector end SBS and transmitting connector end BP include ground terminal G, high pressure line end T, the signal line end 0 that number is followed successively by the signal line end I of 1~N and number is 0.The present invention is easy to use, can freely add；It can freely exchange and freely replace；Cost declines.
Description
Technical field
The invention belongs to the application sound wave transmission method tomography CT in rock and soil engineering detection field to detect foundation pile integrity
Technical field, and in particular to for foundation pile acoustic transmission beam method detection the sonic sensor group being freely combined.
Background technology
When carrying out tomography calculating, it is contemplated that the average grain diameter of the stone in concrete material aggregate, division unit are logical
Often it is advisable with 100mm, the spacing of sensor is not also preferably greater than 100mm in sensor group when Site Detection.Site Detection is really
Data when obtaining the detection sound for detecting each fan-shaped sounding line one by one, (detection is fan-shaped：Some height in one sound detecting pipe
Emit sound wave at position, multiple height and positions receive sound wave, the different sounding line structure in multiple angles of inclination in another sound detecting pipe
At the sector on a total vertex.The maximum tilt angle of sounding line is known as detecting fan-shaped angle of inclination during detection is fan-shaped,《Building
Test Technology of Pile Foundation specification JGJ106-2014》10.4.3 regulation " when sweeping survey using sector, the water of two energy converter lines of centres
Flat angle should not exceed 40 ° ", be equivalent to and define the fan-shaped angle of inclination of detection no more than 40 °), usually detection is fan-shaped inclines
Rake angle is fixed, and the span of the bigger detection section of Under Pile diameter is also big, and the number of sensors needed increases.
The sensor group that the prior art is related to is made of multiple sensors, equidistantly serial arrangement, in order to adapt to difference
The pile detection task of stake diameter selects the sensor group for including multisensor as far as possible generally according to maximum detection demand.
《Architecture foundation pile inspection specifications JGJ106-2014》10.2.1.1 sonic sensor of the regulation for foundation pile acoustic transmission beam method
The energy transducer of " radially non-directive is answered in vibration ", sonic sensor uses cyclic annular (piezoelectricity or magnetostriction materials) device,
The diameter of sonic sensor is limited by sounding bore and ring transducer part outer diameter, and conducting wire can only be from annular piezoelectric device
Inside pass through.A usual sensor group once completes, and the connection of each core wire of each sensor and cable is closed
System has nothing in common with each other, and number of sensors is fixed, cannot flexibly be changed according to the needs of Site Detection, obviously uneconomical in this way,
When being detected to the foundation pile compared with paxilla diameter, some sensors in sensor group are always at off position, in addition,
Sensor is inevitably by various damages during use, once and some sensor degradation, sensor be not easy to replace,
Cause the use of entire sensor group to be all affected, or even scraps.
When Site Detection, there is an urgent need to a kind of sonic sensor groups being freely combined, and sensor group is by N number of identical
Sensor composition, N number of sensor flexibly can exchange freely, can be used to receive acoustic signals simultaneously, be located at the sensing of bottom
Device can be used for emitting sound wave.
Invention content
The object of the present invention is to provide the sonic sensor groups being freely combined detected for foundation pile acoustic transmission beam method, pass
Sensor group includes N number of identical sensor, and N number of sensor flexibly can be exchanged freely, can be used to receive acoustic signals simultaneously,
It can be used for emitting sound wave positioned at the sensor of bottom, be suitable for being promoted at one and complete in Under Pile body M in detection process
The tomography CT for all sections that sound detecting pipe is constituted detects work.
The present invention realizes foregoing invention purpose using following technical scheme：
For the sonic sensor group of foundation pile acoustic transmission beam method detection being freely combined, including cable L, further include from
The cable connector end LBS that is set gradually under, N number of acoustic transducer element S, transmitting connector end BP, N be more than or equal to
1 natural number；
Cable L includes ground wire LG, high-voltage line LT and N root signal wire ChI；I is number, I ∈ { 1~N }；
Each acoustic transducer element S includes transducer unit Tr, top connector end STP and base connector end
SBS；
Cable connector end LBS, top connector end STP, base connector end SBS and transmitting connector end BP include
The signal line end 0 that ground terminal G, high pressure line end T, number are followed successively by the signal line end I of 1~N and number is 0；
Ground wire LG, the high-voltage line LT of cable L is connect with the ground terminal G of cable connector end LBS, high pressure line end T respectively,
The N root signal wires Ch of cable LIWith the signal line end I connections of identical number on the LBS of cable connector end；
Ground terminal G, the high pressure line end T of cable connector end LBS is respectively with the acoustic transducer element S's positioned at the top
The ground terminal G of top connector end STP, the T connections of high pressure line end, the N roots signal line end I of cable connector end LBS and the top
Acoustic transducer element S top connector end STP identical number N root signal line end I connections；
Emit ground terminal G, the high pressure line end T of connector end BP respectively with the acoustic transducer element S's positioned at bottom
The ground terminal G of base connector end SBS, the T connections of high pressure line end, the N roots signal line end I of transmitting connector end BP and bottom
The N root signal line end I connections of the identical number of the base connector end SBS of acoustic transducer element S, transmitting connector end BP's
Signal line end 0 is connect with the high pressure line end T of transmitting connector end BP；
Ground terminal G, the high pressure line end T of the top connector end STP of each acoustic transducer element S is connect with bottom respectively
The ground terminal G of device end SBS, the T connections of high pressure line end, in the case that number I is more than or equal to 2, the top of each acoustic transducer element S
The signal line end I of portion connector end STP is connect with the signal line end I-1 of base connector end SBS；
The signal wire of the signal line end 1 and transducer unit Tr of the top connector end STP of each acoustic transducer element S
The ground wire G of Vo connections, the ground terminal G and transducer unit Tr of the top connector end STP of each acoustic transducer element S connects
It connects, the transmitting terminal F of the signal line end 0 and transducer unit Tr of the base connector end SBS of each acoustic transducer element S connects
It connects.
Transducer unit Tr as described above carries pre-amplification circuit, the cable connector end LBS, top connection
Device end STP, base connector end SBS and transmitting connector end BP include mains terminals Vc, and the cable L further includes electricity
Source line LVc；
Power cord LVc is connect with the mains terminals Vc of cable connector end LBS, the mains terminals of cable connector end LBS
Vc is connect with the mains terminals Vc of the top connector end STP of the acoustic transducer element S positioned at the top；
Emit the base connector end of the mains terminals Vc and the acoustic transducer element S positioned at bottom of connector end BP
The mains terminals Vc connections of SBS；
The power supply of the mains terminals Vc and transducer unit Tr of the top connector end STP of each acoustic transducer element S
Hold Vc connections.
When Site Detection, appoint take X acoustic transducer element S, 1≤X≤N, with cable L, cable connector end LBS,
Transmitting connector end BP combinations composition one includes the sensor group of X acoustic transducer elements S.
When X=1, the top connector end STP of first acoustic transducer element S is connect with cable connector end LBS,
Transmitting connector end BP is connect with the base connector end SBS of first acoustic transducer element S.At this time in cable L
Signal wire Ch1 is the reception signal output end of first acoustic transducer element S, while the high-voltage line LT in cable L is logical
It crosses transmitting connector end BP to connect with the transmitting terminal F of first acoustic transducer element S, first acoustic transducer element S was both
It can be used for receiving and can also be used for transmitting acoustic signals.
When 2≤X≤N, the top connector end STP of first acoustic transducer element S and cable connector end LBS is connected
It connects, then successively by the top connector end STP's of the Y acoustic transducer element S and the Y-1 acoustic transducer element S
Transmitting connector end BP is connect by the SBS connections of base connector end, 2≤Y≤X with the bottom of X acoustic transducer element S
The SBS connections of device end.The signal wire ChI in cable L is the reception signal output end of i-th acoustic transducer element S at this time,
1≤I≤X, while the high-voltage line LT in cable L passes through the transmitting of transmitting connector end BP and X acoustic transducer element S
F connections are held, X acoustic transducer element S, which can be not only used for receiving, can also be used for transmitting acoustic signals.
The beneficial effects of the invention are as follows：
The sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method includes N number of identical sensing
Device, N number of sensor flexibly can be exchanged freely, can be used to receive acoustic signals simultaneously, be can be used for sending out positioned at the sensor of bottom
Penetrate sound wave.
1, it is that onsite application is convenient first, can freely adds.Since the Pile Diameter of detection is different, to ensure detection essence
Degree, span (or stake diameter) are big, it is desirable that sensor group in number of sensors it is more, span (or stake diameter) is small, it is desirable that biography
Number of sensors in sensor group is few, therefore freely adding or reducing for sensor group can be realized in building-site, flexibly
It is convenient.
2, it can freely exchange and freely replace.Due to only having the sensor of bottom for emitting, which should hold
Emitted by high pressure, also want to receive low voltage signal, therefore the service life of nethermost sensor and upper sensor make
It is inevitable different with the service life, therefore can freely exchange, it is ensured that the service life of entire sensor group.Simultaneously when intermediate one or
Several sensor performances decline either damage regardless of the sensor that performance declines or damages is in which of sensor group position
It sets, can freely replace.
3, cost declines.Due to can accomplish freely to exchange and freely replace, work as some in the sensor group or
When multiple sensor degradations, it is only necessary to replace corresponding sensor, and be unlikely to all to eliminate entire sensor group, can save significantly
About cost.In addition under normal circumstances, the service life of cable is higher than the service life of single sensor, therefore more emat sensor
The service life that entire sensor group can be extended, to save cost.
Description of the drawings
Schematic diagrams of the Fig. 1 for the sonic sensor group of foundation pile acoustic transmission beam method detection being freely combined.
(a) schematic diagram of cable L and cable connector end LBS；
(b) acoustic transducer element S schematic diagrams；
(c) emit connector end BP schematic diagrams；
L：Cable；
LBS：Cable connector end；
S：Acoustic transducer element；
STP：Top connector end；
SBS：Base connector end；
BP：Emit connector end；
LG：Ground wire；
LT：High-voltage line；
Tr：Transducer unit；
Vo：Signal wire；
F：Transmitting terminal；
G：Ground terminal；
T：High pressure line end；
0：The signal line end that number is 0；
1、2、3、4、…、I、…、N：N number of signal line end of connector.
Catenation principle figures of the Fig. 2 for the sonic sensor group of foundation pile acoustic transmission beam method detection being freely combined (carries
Power cord).
(a) schematic diagram of cable L and cable connector end LBS；
(b) acoustic transducer element S schematic diagrams；
(c) emit connector end BP schematic diagrams；
LVc：Power cord；
Vc：Mains terminals.
Connection in Fig. 3 embodiments 2 for the sonic sensor group of foundation pile acoustic transmission beam method detection being freely combined is shown
It is intended to (acoustic transducer element S is four).
Connection in Fig. 4 embodiments 3 for the sonic sensor group of foundation pile acoustic transmission beam method detection being freely combined is shown
It is intended to (including gating device).
LC：The control line of cable L；
Vi：The output line of cable L；
SC：Gating device.
Fig. 5 is the connection of the sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method in embodiment 4
Schematic diagram (including transmitter).
A：Transmitter.
Specific implementation mode
Technical scheme of the present invention is further described below in conjunction with attached drawing：
Embodiment 1：
As shown in Figure 1, the sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method, including cable
L, further include the cable connector end LBS set gradually from top to bottom, N number of acoustic transducer element S and transmitting connector end BP,
N is the natural number more than or equal to 1；
Cable L includes ground wire LG, high-voltage line LT and N root signal wire ChI；I is number, I ∈ { 1~N }；
Each acoustic transducer element S includes transducer unit Tr, top connector end STP and base connector end
SBS；
Cable connector end LBS, top connector end STP, base connector end SBS and transmitting connector end BP include
The signal line end 0 that ground terminal G, high pressure line end T, number are followed successively by the signal line end I of 1~N and number is 0；
Ground wire LG, the high-voltage line LT of cable L is connect with the ground terminal G of cable connector end LBS, high pressure line end T respectively,
The N root signal wires Ch of cable LIWith the signal line end I connections of identical number on the LBS of cable connector end；
Ground terminal G, the high pressure line end T of cable connector end LBS is respectively with the acoustic transducer element S's positioned at the top
The ground terminal G of top connector end STP, the T connections of high pressure line end, the N roots signal line end I of cable connector end LBS and the top
Acoustic transducer element S top connector end STP identical number N root signal line end I connections；
Emit ground terminal G, the high pressure line end T of connector end BP respectively with the acoustic transducer element S's positioned at bottom
The ground terminal G of base connector end SBS, the T connections of high pressure line end, the N roots signal line end I of transmitting connector end BP and bottom
The N root signal line end I connections of the identical number of the base connector end SBS of acoustic transducer element S, transmitting connector end BP's
The signal line end 0 that number is 0 is connect with the high pressure line end T of transmitting connector end BP；
Ground terminal G, the high pressure line end T of the top connector end STP of each acoustic transducer element S is connect with bottom respectively
The ground terminal G of device end SBS, the T connections of high pressure line end, in the case that number I is more than or equal to 2, the top of each acoustic transducer element S
The signal line end I of portion connector end STP is connect with the signal line end I-1 of base connector end SBS；
The signal wire of the signal line end 1 and transducer unit Tr of the top connector end STP of each acoustic transducer element S
The ground wire G of Vo connections, the ground terminal G and transducer unit Tr of the top connector end STP of each acoustic transducer element S connects
It connects, the hair for the signal line end 0 and transducer unit Tr that the number of the base connector end SBS of each acoustic transducer element S is 0
Penetrate end F connections.
As shown in Fig. 2, transducer unit Tr carries pre-amplification circuit, the cable connector end LBS, top connection
Device end STP, base connector end SBS and transmitting connector end BP include mains terminals Vc, and the cable L further includes electricity
Source line LVc；
Power cord LVc is connect with the mains terminals Vc of cable connector end LBS, the mains terminals of cable connector end LBS
Vc is connect with the mains terminals Vc of the top connector end STP of the acoustic transducer element S positioned at the top；
Emit the base connector end of the mains terminals Vc and the acoustic transducer element S positioned at bottom of connector end BP
The mains terminals Vc connections of SBS；
The power supply of the mains terminals Vc and transducer unit Tr of the top connector end STP of each acoustic transducer element S
Hold Vc connections.
Embodiment 2：
As shown in figure 3, the sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method, including cable
L further includes the cable connector end LBS set gradually from top to bottom, 4 acoustic transducer element S and transmitting connector end BP.
Cable L includes ground wire LG, high-voltage line LT and N root signal wire ChI；I is number, I ∈ { 1~4 }.
Each acoustic transducer element S includes transducer unit Tr, top connector end STP and base connector end
SBS。
Cable connector end LBS, top connector end STP, base connector end SBS and transmitting connector end BP include
Ground terminal G, high pressure line end T, number be followed successively by 1~4 signal 1~signal of line end line end 4 and number be 0 signal line end 0.
Ground wire LG, the high-voltage line LT of cable L is connect with the ground terminal G of cable connector end LBS, high pressure line end T respectively,
4 signal wire Ch of cable LIWith the signal line end I connections of identical number on the LBS of cable connector end, i.e. signal wire Ch1With
Signal line end 1 on the LBS of cable connector end connects；Signal wire Ch2It is connect with the signal line end 2 on the LBS of cable connector end；
Signal wire Ch3It is connect with the signal line end 3 on the LBS of cable connector end；Signal wire Ch4With the signal on the LBS of cable connector end
Line end 4 connects.
Ground terminal G, the high pressure line end T of cable connector end LBS is respectively with the acoustic transducer element S's positioned at the top
The ground terminal G of top connector end STP, the T connections of high pressure line end, the sound of the signal line end I and the top of cable connector end LBS
The N root signal line end I connections of the identical number of the top connector end STP of wave sensor cell S, i.e. cable connector end LBS
Signal line end 1 connect with the signal line end 1 of the top connector end STP of the acoustic transducer element S of the top；Cable connection
The signal line end 2 of device end LBS is connect with the signal line end 2 of the top connector end STP of the acoustic transducer element S of the top；
The signal wire of the signal line end 3 of cable connector end LBS and the top connector end STP of the acoustic transducer element S of the top
3 connection of end；The top connector end STP of the signal line end 4 of cable connector end LBS and the acoustic transducer element S of the top
Signal line end 4 connect.
Emit ground terminal G, the high pressure line end T of connector end BP respectively with the acoustic transducer element S's positioned at bottom
The ground terminal G of base connector end SBS, the T connections of high pressure line end, the N roots signal line end I of transmitting connector end BP and bottom
The N root signal line end I connections of the identical number of the base connector end SBS of acoustic transducer element S, transmitting connector end BP's
The signal line end 0 that number is 0 is connect with the high pressure line end T of transmitting connector end BP；Connect at the top of each acoustic transducer element S
Ground terminal G, the high pressure line end T for meeting device end STP are connect with the ground terminal G of base connector end SBS, high pressure line end T respectively, number
I be more than or equal to 2 be less than or equal to 4 in the case of, the signal line end I of the top connector end STP of each acoustic transducer element S with
The signal line end I-1 connections of base connector end SBS.
The signal wire of the signal line end 1 and transducer unit Tr of the top connector end STP of each acoustic transducer element S
The ground wire G of Vo connections, the ground terminal G and transducer unit Tr of the top connector end STP of each acoustic transducer element S connects
It connects, the hair for the signal line end 0 and transducer unit Tr that the number of the base connector end SBS of each acoustic transducer element S is 0
Penetrate end F connections.
In the present embodiment, transducer unit Tr carries pre-amplification circuit, the cable connector end LBS, top
Connector end STP, base connector end SBS and transmitting connector end BP include mains terminals Vc, and the cable L is also wrapped
Include power cord LVc.
Power cord LVc is connect with the mains terminals Vc of cable connector end LBS, the mains terminals of cable connector end LBS
Vc is connect with the mains terminals Vc of the top connector end STP of the acoustic transducer element S positioned at the top.
Emit the base connector end of the mains terminals Vc and the acoustic transducer element S positioned at bottom of connector end BP
The mains terminals Vc connections of SBS.
The power supply of the mains terminals Vc and transducer unit Tr of the top connector end STP of each acoustic transducer element S
Hold Vc connections.
Embodiment 3：
As shown in figure 4, the sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method (includes gating
Device), increase a gating device SC in the LBS of cable connector end, gating device SC is realized under the control of control line LC by N
Some signal wire I in root signal wire is connect with output line Vi, I ∈ { 1~N }.The convenient place of this scheme is cable
The connection relation of line L and sonic apparatus is fixed, not with the quantity N variation of acoustic transducer element in sensor group, other with
Embodiment 2 is identical.
Embodiment 4：
As shown in figure 5, the sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method (includes transmitting
Machine), on the basis of 3 scheme of embodiment, increase an acoustic transmitter A, cable L and sonic apparatus can be further simplified
Connection relation, while host computer sonic apparatus no longer includes the device that transmitter becomes only tool control transmitting and acquisition signal.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make described specific embodiment various modifications, supplement or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (2)
1. the sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method, it is characterised in that：Including cable
L further includes the cable connector end LBS set gradually from top to bottom, N number of acoustic transducer element S, transmitting connector end BP, N
For the natural number more than or equal to 1；
Cable L includes ground wire LG, high-voltage line LT and N root signal wire ChI；I is number, I ∈ { 1~N }；
Each acoustic transducer element S includes transducer unit Tr, top connector end STP and base connector end SBS；
Cable connector end LBS, top connector end STP, base connector end SBS and transmitting connector end BP include ground wire
The signal line end 0 that end G, high pressure line end T, number are followed successively by the signal line end I of 1~N and number is 0；
Ground wire LG, the high-voltage line LT of cable L is connect with the ground terminal G of cable connector end LBS, high pressure line end T respectively, cable
The N root signal wires Ch of line LIWith the signal line end I connections of identical number on the LBS of cable connector end；
The tops with the acoustic transducer element S positioned at the top respectively ground terminal G, the high pressure line end T of cable connector end LBS
The ground terminal G of connector end STP, the T connections of high pressure line end, the sound of N roots the signal line end I and the top of cable connector end LBS
The N root signal line end I connections of the identical number of the top connector end STP of wave sensor cell S；
Emit the bottom with the acoustic transducer element S positioned at bottom respectively ground terminal G, the high pressure line end T of connector end BP
The ground terminal G of connector end SBS, the T connections of high pressure line end, the sound wave of N roots the signal line end I and bottom of transmitting connector end BP
The N root signal line end I connections of the identical number of the base connector end SBS of sensor unit S, the signal of transmitting connector end BP
Line end 0 is connect with the high pressure line end T of transmitting connector end BP；The ground of the top connector end STP of each acoustic transducer element S
Line end G, high pressure line end T are connect with the ground terminal G of base connector end SBS, high pressure line end T respectively, and number I is more than or equal to 2
In the case of, the signal of the signal line end I and base connector end SBS of the top connector end STP of each acoustic transducer element S
Line end I-1 connections；
The signal wire Vo of the signal line end 1 and transducer unit Tr of the top connector end STP of each acoustic transducer element S connects
It connects, the ground wire G of the ground terminal G and transducer unit Tr of the top connector end STP of each acoustic transducer element S are connect, often
The signal line end 0 of base connector end SBS of a acoustic transducer element S is connect with the transmitting terminal F of transducer unit Tr.
2. the sonic sensor group according to claim 1 that be freely combined for the detection of foundation pile acoustic transmission beam method,
It is further characterized in that：The transducer unit Tr carries pre-amplification circuit, the cable connector end LBS, top connection
Device end STP, base connector end SBS and transmitting connector end BP include mains terminals Vc, and the cable L further includes electricity
Source line LVc；
Power cord LVc is connect with the mains terminals Vc of cable connector end LBS, the mains terminals Vc of cable connector end LBS with
Positioned at the mains terminals Vc connections of the top connector end STP of the acoustic transducer element S of the top；
Emit the base connector end SBS of the mains terminals Vc and the acoustic transducer element S positioned at bottom of connector end BP
Mains terminals Vc connections；
The power end Vc of the mains terminals Vc and transducer unit Tr of the top connector end STP of each acoustic transducer element S
Connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122099.1A CN105675729B (en) | 2016-03-04 | 2016-03-04 | The sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122099.1A CN105675729B (en) | 2016-03-04 | 2016-03-04 | The sonic sensor group being freely combined for the detection of foundation pile acoustic transmission beam method |
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| CN105675729B true CN105675729B (en) | 2018-09-14 |
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| NO303305B1 (en) * | 1991-02-01 | 1998-06-22 | Geco As | Method of switching and connecting sensor groups |
| CN1492999A (en) * | 2001-11-14 | 2004-04-28 | ��ʽ���綫֥ | Ultrasonic detector ultrasonic transducer, examining instrument and ultrosonograhping device |
| CN101654914A (en) * | 2009-07-21 | 2010-02-24 | 武汉中岩科技有限公司 | Field detection control method of tomography foundation pile acoustic transmission method and device thereof |
| CN103713049A (en) * | 2014-01-03 | 2014-04-09 | 武汉中岩科技有限公司 | Control method and control device of multi-section tomography detection of foundation piles |
| CN105592942A (en) * | 2013-10-03 | 2016-05-18 | 富士胶片戴麦提克斯公司 | Piezoelectric ultrasonic transducer array with switched operational modes |
-
2016
- 2016-03-04 CN CN201610122099.1A patent/CN105675729B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO303305B1 (en) * | 1991-02-01 | 1998-06-22 | Geco As | Method of switching and connecting sensor groups |
| CN1492999A (en) * | 2001-11-14 | 2004-04-28 | ��ʽ���綫֥ | Ultrasonic detector ultrasonic transducer, examining instrument and ultrosonograhping device |
| CN101654914A (en) * | 2009-07-21 | 2010-02-24 | 武汉中岩科技有限公司 | Field detection control method of tomography foundation pile acoustic transmission method and device thereof |
| CN105592942A (en) * | 2013-10-03 | 2016-05-18 | 富士胶片戴麦提克斯公司 | Piezoelectric ultrasonic transducer array with switched operational modes |
| CN103713049A (en) * | 2014-01-03 | 2014-04-09 | 武汉中岩科技有限公司 | Control method and control device of multi-section tomography detection of foundation piles |
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|---|---|
| CN105675729A (en) | 2016-06-15 |
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