CN109083120A - Static sounding device and cone penetration method - Google Patents
Static sounding device and cone penetration method Download PDFInfo
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- CN109083120A CN109083120A CN201811184970.6A CN201811184970A CN109083120A CN 109083120 A CN109083120 A CN 109083120A CN 201811184970 A CN201811184970 A CN 201811184970A CN 109083120 A CN109083120 A CN 109083120A
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- static sounding
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
Abstract
The invention discloses a kind of static sounding device and cone penetration methods, belong to geotechnical investigation technical field；The main points of its technical scheme are that static sounding device includes static sounding feeler lever, static sounding probe, data acquisition module, wireless transport module and display module；Wireless transport module includes several communication submodule groups along the distribution of static sounding feeler lever length direction；It is connected positioned at static sounding bar the lowermost communication submodule group with data acquisition module, receives the wireless of data acquisition module sending；Communication submodule group only receives the wireless digital signal that the adjacent communication submodule group in lower section issues；The communication submodule group of static sounding feeler lever the top is connected with display module；Cable-free type static cone penetration equipment is solved when carrying out static sounding, the unstable problem of wireless signal transmission；Can the stable detection data to during static sounding be wirelessly transferred.
Description
Technical field
The present invention relates to geotechnical investigation technical field more particularly to a kind of static sounding device and static sounding sides
Method.
Background technique
In geotechnical engineering investigation technical field, static sounding can directly provide foundation soil comprehensive mechanical property as one kind
The in-situ testing method of index, while being also that have the careful, layer of layering be accurate engineer geological prospecting method to one kind, in ground
Engineering exploration field is widely used and deep trusted.Static sounding, which refers to, is pressed into the sounding rod for having contact probe using pressure apparatus
Soil layer is tested, the penetration resistance of soil is surveyed by measurement system, it may be determined that native certain basic physical mechanics properties, such as deformation of soil
Modulus, allowable bearing of soil etc..Static sounding pressuring method has mechanical, fluid pressure type and three kinds of manpower type.Static sounding exists
Scene is tested, by the related index progress regression analysis of specific penetration resistance obtained by static sounding and load test, soil test,
The available empirical equation for being suitable for a given area or certain soil nature can be determined by the resulting parameter of static sounding
The natural foundation bearing capacity of soil.
The Chinese invention patent file that Authorization Notice No. is CN105256786B discloses a kind of cable-free type static sounding and sets
Standby and its application method, untethered static cone penetration equipment include static sounding probe, data acquisition controller, the spy of untethered cleaning feeler inspection
Bar and Data Transmission Control Unit, data acquisition controller are installed in the waterproof sealing cabin of static sounding probe inner tail end, change
Data acquisition controller includes the AD converter connecting with static sounding probe, first control unit and the first communication unit and screen
Curtain display unit；The data acquisition controller is connect with Data Transmission Control Unit by untethered static sounding bar, the first communication
It is attached between unit and the second communication unit using the bus cable of communication bus power supply technique.
But above-mentioned cable-free type static sounding is when being wirelessly transferred the signal of acquisition, due to the ring of signal transmission
Border is in underground, and transmission range is larger, and then be easy to cause transmission unstable in wireless data transmission, and then to static(al)
Feeler inspection test result impacts.
Summary of the invention
In view of the deficienciess of the prior art, one of them of the invention is designed to provide a kind of static sounding device,
Can the stable detection data to during static sounding be wirelessly transferred.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of static sounding device, packet
Include static sounding feeler lever, static sounding probe, data acquisition module, wireless transport module and display module；The static sounding
Head, which converts the pressure value during static sounding to, is converted to electric signal；The data acquisition module is to static sounding module
The electric signal of conversion is acquired, and the electric signal of acquisition is converted to digital signal, and digital signal is sent to wireless biography
Defeated module；The digital signal that the wireless transport module issues data acquisition module is by wireless transmission to display
Module, the display module receive the digital signal that wireless transport module issues, show to the stress value in detection process；
The wireless transport module includes several communication submodule groups along the distribution of static sounding feeler lever length direction；Positioned at static sounding
Bar the lowermost communication submodule group is connected with data acquisition module, receives the wireless of data acquisition module sending；Communication
Mould group only receives the wireless digital signal that the adjacent communication submodule group in lower section issues；Communication of static sounding feeler lever the top
Mould group is connected with display module.
Through the above technical solutions, by the way that static sounding feeler lever is inserted into earth's surface, and then will by static sounding probe
Meeting obstructions during insertion is converted into electric signal, and is acquired and turns to electric signal by data acquisition module
Digital signal is turned to, digital signal is wirelessly transferred by wireless transport module, and then by digital data transmission to display
Module, and then its test result is shown；Wireless transport module includes several along static sounding feeler lever length direction point
The communication submodule group of cloth；It is connected positioned at static sounding bar the lowermost communication submodule group with data acquisition module, receives data and adopt
Collect the wireless of module sending；Communication submodule group only receives the wireless digital signal that the adjacent communication submodule group in lower section issues, and then keeps away
Exempt from wireless data when being wirelessly transferred, in turn results in since decaying occurs for signal to the unstable of experimental test data.
Preferably, the communication submodule group includes wireless transmission unit, marking unit and recognition unit；The wireless transmission
Unit is used to send and receive wireless digital signal；The wireless digital signal that the marking unit issues wireless transmission unit into
Line flag；The recognition unit carries out the label for the wireless digital signal that the wireless transmission unit of other communication submodule groups issues
Identification, when wireless digital signal is the wireless digital signal that the adjacent communication submodule group in lower part issues, wireless transmission unit is connect
Receive the wireless digital signal.
Through the above technical solutions, communication submodule group includes wireless transmission unit, marking unit and recognition unit；It is wireless to pass
Defeated unit is used to send and receive wireless digital signal, the wireless digital signal issued by marking unit to wireless transmission unit
Be marked, and recognition unit to other communication submodule groups wireless transmission units issue wireless digital signal label into
Row identification, when line digital signal is the wireless digital signal that the adjacent communication submodule group in lower part issues, wireless transmission unit is received
The wireless digital signal；To realize that communication submodule group only receives the wireless digital signal that the adjacent communication submodule group in lower section issues,
And then one way stable transmitting is carried out using signal, transmitting data are more reliable and more stable.
Preferably, the wireless transmission unit is wirelessly transferred using Zigbee.
Through the above technical solutions, ZigBee technology is a kind of short distance, low complex degree, low-power consumption, low rate, low cost
Bidirectional wireless communication technology, suitable for being counted between the not high various electronic equipments of short, low in energy consumption and transmission rate
According to the application for transmitting and typically having periodic data, intermittent data and the transmission of low reaction time data；It is with low function
Characteristics, the wireless transmission unit such as consumption, low cost, delay is short, network capacity is big, reliable and safety are wirelessly transferred using Zigbee,
It is the preferred embodiment that static sounding device carries out wireless signal transmission scheme.
Preferably, the data acquisition module and static sounding feeler lever the lowermost communication submodule group use RS485 bus
Connecting communication.
Through the above technical solutions, data acquisition module and static sounding feeler lever the lowermost communication submodule group use
RS485 bus connecting communication；RS485 supports the standard of multinode, remote and intractable high sensitivity；RS485 interface is to use
Balance driver and difference, the combination of receiver, anti-common mode interference ability enhancing, to make the acquisition of data-signal and transmit
Cheng Gengjia stablizes.
Preferably, static sounding device further includes analysis module；The analysis module is connected with display module；The analysis
Module is connected with the communication submodule of static sounding feeler lever the top, and the analysis module is according to the stress value in detection process
Size generates stress curve, and judges soil class；The display module is to stress curve and soil class result
It is shown.
Through the above technical solutions, static sounding device further includes analysis module；Analysis module is connected with display module；Point
It analyses module and stress curve is generated according to the size of the stress value in detection process, and soil class is judged, Jin Ertong
Display module is crossed to show stress curve and soil class result；To facilitate tester intuitively to see to test result
It surveys.
Preferably, the analysis module is made of the web server based on RESTFul framework.
Through the above technical solutions, analysis module is made of the web server based on RESTFul framework, and then can lead to
Cross the various functions that network system realizes the end computer pc, the end mobile phone app on-line monitoring.
Preferably, the static sounding device also wraps cloud memory module, the cloud memory module and analysis module phase
Even, the stress curve of generation and soil class information are uploaded to cloud memory module, the cloud storage by the analysis module
Module stores the stress curve and soil class information of generation.
Through the above technical solutions, static sounding device also wraps cloud memory module, cloud memory module and analysis module
It is connected, the stress curve of generation and soil class information are uploaded to cloud memory module, cloud memory module pair by analysis module
The stress curve and soil class information of generation are stored, so as to long-time to the stress curve and soil class of test
Information is stored, and then prevents information from losing.
It is another object of the present invention to provide a kind of cone penetration methods, are carried out using static sounding device quiet
The test of power feeler inspection, the result for testing static sounding are more reliable and more stable.
Above-mentioned technical purpose of the invention has the technical scheme that
Step S1: carrying out examination test using static sounding feeler lever, by exporting result to static sounding device to display module
Operating status is checked；
Step S2: being flattened using place of the levelling means to detection site, will be pacified to the press-fit equipment of static sounding feeler lever
It is attached to detection site, and press-fit equipment is smoothed；
Step S3: it will test place and carry out grid dividing, and test point is uniformly chosen at random to the progress of the grid of division, taken
The quantity of test point is odd number；
Step S4: successively detecting each test point, and static sounding feeler lever is pressed into earth's surface using press-fit equipment, right
The output result of display module is recorded；
Step S5: biggish detection point data is deviateed to data and is rejected, the data after rejecting are summarized, and then to soil
The classification of earth is judged；
In conclusion the invention has the following advantages:
1. wireless transport module includes several communication submodule groups along the distribution of static sounding feeler lever length direction；Positioned at static(al)
Sounding rod the lowermost communication submodule group is connected with data acquisition module, receives the wireless of data acquisition module sending；Communication
Mould group only receives the wireless digital signal that the adjacent communication submodule group in lower section issues, and wireless transmission unit is wirelessly passed using Zigbee
It is defeated, the test data during static sounding is wirelessly transferred so as to stabilization, is avoided when underground is transmitted,
It in turn results in since decaying occurs for signal to the unstable of experimental test data；
2. static sounding device further includes analysis module；The analysis module is connected with display module；Analysis module is by being based on
The web server of RESTFul framework is constituted, and then can realize that the end computer pc, the end mobile phone app are monitored on-line by network system
Various functions；Analysis module according to the size of the stress value in detection process generate stress curve, and to soil class into
Row judgement, and then stress curve and soil class result are shown by display module；To facilitate tester intuitively right
Test result is observed；
3. static sounding device also wraps cloud memory module, cloud memory module is connected with analysis module, and analysis module will generate
Stress curve and soil class information be uploaded to cloud memory module, stress curve and soil of the cloud memory module to generation
Classification information is stored, and is stored so as to stress curve and soil class information of the long-time to test, Jin Erfang
Only information is lost.
Detailed description of the invention
Fig. 1 is the functional block diagram of static sounding device；
Fig. 2 is the schematic diagram between adjacent communication submodule group.
Appended drawing reference: 1, static sounding feeler lever；2, static sounding probe；3, data acquisition module；4, wireless transport module；
41, submodule group is communicated；411, transmission unit；412, marking unit；413, recognition unit；5, display module；6, analysis module；7,
Cloud memory module.
Embodiment: a kind of static sounding device, referring to Fig.1, including static sounding feeler lever 1, static sounding probe 2, data
Acquisition module 3, wireless transport module 4, analysis module 6, cloud memory module 7 and display module 5.Static sounding probe 2 is arranged
It in the end of static sounding bar, generallys use static sounding probe 2 and generallys use the materials such as 40Cr or 45 steel, and touched in static(al)
Probe 2 is provided with pressure sensor.When carrying out static sounding test, static sounding feeler lever 1 is inserted into earth's surface, in turn
The resistance in 1 down process of static sounding feeler lever is tested by static sounding probe 2.
Static sounding head converts the pressure value during static sounding to and is converted to electric signal；Data acquisition module 3 is set
It is equipped with AD conversion unit, data acquisition module 3 is acquired the electric signal of the conversion of static sounding module, by the telecommunications of acquisition
Number it is converted to digital signal, and digital signal is sent to wireless transport module 4.
The digital signal that wireless transport module 4 issues data acquisition module 3 is by wireless transmission to display
Module 5, and then the stress value in detection process is shown by display module 5.Display module 5 can be shown using PC
The mobile terminals such as device, tablet computer, or collection.
Wireless transport module 4 includes several communication submodule groups 41 along the distribution of 1 length direction of static sounding feeler lever；It is located at
Static sounding bar the lowermost communication submodule group 41 is connected with data acquisition module 3, receives the nothing that data acquisition module 3 issues
Line；Communication submodule group 41 receive the wireless digital signal that the adjacent communication submodule group 41 in lower section issues；Static sounding feeler lever 1 is most upper
The communication submodule group 41 at end is connected with display module 5.Wireless transmission unit 411 is wirelessly transferred using Zigbee.Zigbee is wireless
Transmission has the characteristics such as low-power consumption, low cost, delay is short, network capacity is big, reliable and safety, and then good can be suitable for quiet
The applying working condition of power feeler inspection device.
Data acquisition module 3 and 1 the lowermost of static sounding feeler lever communication submodule group 41 use RS485 bus connecting communication.
RS485 supports the standard of multinode, remote and intractable high sensitivity；RS485 interface is connect using balance driver and difference
Receive the combination of device, anti-common mode interference ability enhancing, to keep the acquisition of data-signal and transmittance process more stable.
Analysis module 6 is connected with display module 5 and the communication submodule of 1 the top of static sounding feeler lever is connected.Analyze mould
Block 6 is made of the web server based on RESTFul framework, and analysis module 6 is generated according to the size of the stress value in detection process
Stress curve.If resistance is compared with soil layer representated by the curved section that small, frictional resistance is bigger, excess pore water pressure is big, curvilinear motion is small
Mostly argillic horizon；And resistance is big, frictional resistance is smaller, excess pore water pressure very little, curve are in that zigzag jumpy is then sand
Soil.To which analysis module 6 can judge soil class, and by display module 5 to stress curve and soil class
As a result it is shown.Analysis module 6 is made of the web server based on RESTFul framework, and then can pass through network system reality
The various functions that the existing end computer pc, the end mobile phone app are monitored on-line.
Cloud memory module 7 is connected with analysis module 6, and analysis module 6 is by the stress curve of generation and soil class information
It is uploaded to cloud memory module 7,7 pairs of the cloud memory module stress curves generated and soil class information store.Analysis
The stress curve of generation and soil class information are uploaded to cloud memory module 7 by module 6,7 pairs of cloud memory module generations
Stress curve and soil class information are stored, so as to long-time to the stress curve of test and soil class information into
Row storage, and then prevent information from losing.
Referring to Fig. 2, communication submodule group 41 includes wireless transmission unit 411, marking unit 412 and recognition unit 413；Wirelessly
Transmission unit 411 is used to send and receive wireless digital signal；Marking unit 412 issues wireless transmission unit 411 wireless
Digital signal is marked；Label can be sent out using wireless transmission unit 411 of the recognition unit 413 to other communication submodule groups 41
The label of wireless digital signal out is identified, when wireless digital signal is the nothing that the adjacent communication submodule group 41 in lower part issues
When line digital signal, wireless transmission unit 411 receives the wireless digital signal.Marking unit 412 and recognition unit 413 can lead to
It crosses and IP address label and IP address is used to know method for distinguishing, or use the realization pair in turn of the modes such as encryption and code key unlock
Wireless digital signal transmits upwards in turn in adjacent communication submodule.
A kind of cone penetration method, it is characterised in that comprise the following methods:
Step S1: starting static sounding device carries out examination test using static sounding feeler lever 1, passes through the display to display module 5
The equipment such as device observe the middle stress value and stress curve of test process, see whether it meets normal curve and normality number
Value, and then the motion state of the communication submodule of static sounding probe 2 is judged, and then determines before being tested, it is quiet
The modules of power feeler inspection are in good working order.
Step S2: it is flattened manually or using the place that the levelling means such as road roller forklift will test place, in turn
The press-fit equipment of static sounding feeler lever 1 will be installed to detection site, and to using level meter or multimeter etc. to smooth instrument pair
Press-fit equipment is smoothed, thus guarantee by static sounding feeler lever 1 insertion when perpendicular to earth's surface surface, to make static sounding
The result of detection is more accurate.
Step S3: will test place and carry out grid dividing, and uniformly choose test point at random to the progress of the grid of division,
The quantity of taken test point is odd number, and then to realize to detection site at random using the purpose of test, makes adopting for test
The data of sample are relatively reliable, are a little set as odd number by will test, and when the consistency of sampled data is poor, are convenient for sentencing
Disconnected defines.
Step S4: successively detecting each test point, and static sounding feeler lever 1 is pressed into earth's surface using press-fit equipment
In, the output result of display module 5 is recorded.
Step S5: biggish detection point data is deviateed to data and is rejected, the data after rejecting are summarized, in turn
The classification of soil is judged.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of static sounding device, including static sounding feeler lever (1), static sounding probe (2), data acquisition module (3), nothing
Line transmission module (4) and display module (5)；It is characterized by: the static sounding head is by the pressure value during static sounding
It is converted into and is converted to electric signal；The data acquisition module (3) is acquired the electric signal of the conversion of static sounding module, will
The electric signal of acquisition is converted to digital signal, and digital signal is sent to wireless transport module (4)；The wireless transmission mould
The digital signal that block (4) issues data acquisition module (3) is given display module (5) by wireless transmission, described aobvious
Show that module (5) receive the digital signal that wireless transport module (4) issue, the stress value in detection process is shown；It is described
Wireless transport module (4) includes several communication submodule groups (41) along the distribution of static sounding feeler lever (1) length direction；Positioned at quiet
Power sounding rod the lowermost communication submodule group (41) is connected with data acquisition module (3), receives data acquisition module (3) sending
Wirelessly；Communication submodule group (41) only receives the wireless digital signal that adjacent communication submodule group (41) in lower section issues；It is described quiet
The communication submodule group (41) of power feeler inspection feeler lever (1) the top is connected with display module (5).
2. static sounding device according to claim 1, it is characterised in that: the communication submodule group (41) includes wireless passes
Defeated unit (411), marking unit (412) and recognition unit (413)；The wireless transmission unit (411) is used to send and receive
Wireless digital signal；The wireless digital signal that the marking unit (412) issues wireless transmission unit (411) is marked；
The wireless digital signal that the recognition unit (413) issues the wireless transmission unit (411) of other communications submodule group (41)
Label is identified, when wireless digital signal is the wireless digital signal that the adjacent communication submodule group (41) in lower part issues, nothing
Line transmission unit (411) receives the wireless digital signal.
3. static sounding device according to claim 2, it is characterised in that: the wireless transmission unit (411) uses
Zigbee wireless transmission.
4. static sounding device according to claim 1, it is characterised in that: the data acquisition module (3) and static(al) touch
It visits feeler lever (1) the lowermost communication submodule group (41) and uses RS485 bus connecting communication.
5. static sounding device according to claim 1, it is characterised in that: static sounding device further includes analysis module
(6)；The analysis module (6) is connected with display module (5)；The analysis module (6) and static sounding feeler lever (1) the top
It communicates submodule to be connected, the analysis module (6) generates stress curve according to the size of the stress value in detection process, and right
Soil class is judged；The display module (5) shows stress curve and soil class result.
6. static sounding device according to claim 5, it is characterised in that: the analysis module (6) is by being based on RESTFul
The web server of framework is constituted.
7. static sounding device according to claim 1, it is characterised in that: the static sounding device also wraps cloud storage
Module (7), the cloud memory module (7) are connected with analysis module (6), and the analysis module (6) is by the stress curve of generation
It is uploaded to cloud memory module (7) with soil class information, stress curve and soil of the cloud memory module (7) to generation
Classification information is stored.
8. a kind of cone penetration method, it is characterised in that comprise the following methods:
Step S1: carrying out examination test using static sounding feeler lever (1), by exporting result to static sounding to display module (5)
The operating status of device is checked；
Step S2: being flattened using place of the levelling means to detection site, will be to the press-fit equipment of static sounding feeler lever (1)
It is installed to detection site, and press-fit equipment is smoothed；
Step S3: it will test place and carry out grid dividing, and test point is uniformly chosen at random to the progress of the grid of division, taken
The quantity of test point is odd number；
Step S4: successively detecting each test point, and static sounding feeler lever (1) is pressed into earth's surface using press-fit equipment
In, the output result of display module (5) is recorded；
Step S5: biggish detection point data is deviateed to data and is rejected, the data after rejecting are summarized, and then to soil
The classification of earth is judged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184970.6A CN109083120A (en) | 2018-10-11 | 2018-10-11 | Static sounding device and cone penetration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811184970.6A CN109083120A (en) | 2018-10-11 | 2018-10-11 | Static sounding device and cone penetration method |
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| CN109083120A true CN109083120A (en) | 2018-12-25 |
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ID=64843496
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| CN201811184970.6A Pending CN109083120A (en) | 2018-10-11 | 2018-10-11 | Static sounding device and cone penetration method |
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| CN110365356A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | The device of hole pressure touching methods test data wireless transmission can be achieved |
| CN110359441A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | Wireless hole pressure touching methods test macro based on sonic transmissions |
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| CN110359441A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | Wireless hole pressure touching methods test macro based on sonic transmissions |
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Application publication date: 20181225 |