CN106291708A - A kind of method and device revising data - Google Patents
A kind of method and device revising data Download PDFInfo
- Publication number
- CN106291708A CN106291708A CN201610801978.7A CN201610801978A CN106291708A CN 106291708 A CN106291708 A CN 106291708A CN 201610801978 A CN201610801978 A CN 201610801978A CN 106291708 A CN106291708 A CN 106291708A
- Authority
- CN
- China
- Prior art keywords
- data
- correction function
- vibration
- follows
- velocity amplitude
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
- G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
- G01V1/362—Effecting static or dynamic corrections; Stacking
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/50—Corrections or adjustments related to wave propagation
- G01V2210/53—Statics correction, e.g. weathering layer or transformation to a datum
Abstract
The invention provides the method and device of a kind of data correction, described method includes: the length exposed on Rock And Soil surface based on Test bench, sets up the finite element structure model that Test bench under each length is corresponding；The nodes of locations of sensor is placed as simulation monitoring node using described pedestal；Default external drive load is applied in the bottom node group to the finite element structure model of described correspondence, obtain each bottom node vibration data and each simulation monitoring point vibration data；According to each bottom node vibration data and each simulation monitoring point vibration data matching each data correction function；It is modified according to the vibration data that pedestal sensor is recorded by each data correction function.So, vibration data measured by pedestal sensor can be modified according to each data correction function, solve and draw the vibration data of actual measuring point on Rock And Soil, thus improve precision and the accuracy of data, more can accurately reflect actual measuring point vibration performance on Rock And Soil.
Description
Technical field
The present invention relates to ground technical field of measurement and test, particularly relate to a kind of method and device revising data.
Background technology
In the wild in Rock And Soil vibration-testing, it is usually the vibration signal utilizing test sensor to gather ground.
In prior art, the fixed form of vibration-testing sensor on measuring point, usually use Gypsum Fibrosum, 502 glue direct
Sensor is fixed on tested Rock And Soil test position.This kind of method, has four shortcomings: first, the most loose for earth's surface
The rock soil medium dissipated, fixed effect is the best；Second, for there being the point position of certain coating thickness, need excavation to measuring point position
Put, add the additional work amount of test；3rd, short-term or normal is existed for special environment, the such as tunnel containing hydrops, earth's surface
Being not suitable for the environment of working sensor year hydrops (such as depression, streams) etc., first-class being difficult to disposes biography to tunnel with the sidewall of Rock And Soil
The environment of sensor, the normal work of sensor is obstructed；4th, for needing to test the vibration signal at Rock And Soil certain depth,
If not being excavated at measuring point directly to fix sensor in measuring point earth's surface, measured vibration signal can not truly reflect measuring point
The signal at place.Further, for bursting work produce vibration data be acquired during, due to base under blasting vibration effect
The dynamic response that holder structure produces so that exist certain inclined at measured blasting vibration data and actual monitoring object's position
Difference, affects the accuracy of data.
Based on this, need modification method and the device of a kind of data at present badly, to solve the problems referred to above of the prior art.
Summary of the invention
The problem existed for prior art, embodiments provides a kind of method and device revising data, with
Solve in prior art, when utilizing the vibration signal of the sensor measurement Rock And Soil being fixed on pedestal, due to blasting vibration
There is certain deviation at data and actual monitoring object's position, cause the technical problem that the accuracy of data cannot ensure.
The present invention provides a kind of method revising data, and described method includes
The length exposed on Rock And Soil surface based on Test bench, sets up the finite element knot that under each length, Test bench is corresponding
Structure model；
The nodes of locations of sensor is placed as simulation monitoring node using described pedestal；
Apply default external drive load, in the bottom node group to corresponding finite element structure model, to obtain
Each bottom node vibration data and each simulation monitoring point vibration data；
According to each bottom node vibration data and each simulation monitoring point vibration data matching each data correction function；
It is modified according to the vibration data that pedestal sensor is recorded by each data correction function；Wherein, described data are repaiied
Positive function specifically includes: frequency correction function and vibration velocity amplitude correction function.
In such scheme, the finite element structure model setting up Test bench under each height corresponding specifically includes:
According to the actual size of described pedestal all parts, dynamic finite element software ANSYS/LS-DYNA is utilized to set up each
The finite element structure model that under height, Test bench is corresponding；Wherein,
Described pedestal includes:
Fixing base station, one end of described fixing base station is connected with portable plate；
Connect high bar, described in connect high bar the other end of one end and described fixing base station be connected；
Sensor, described sensor is arranged on described fixing base station；
Drill steel, one end of described drill steel is connected with the described other end connecing high bar.
In such scheme, as a length of 25cm that described Test bench exposes in Rock And Soil, described frequency correction letter
Number is particularly as follows: fX=0.489fXM 1.1951、fY=0.489fYM 1.1951And fZ=1.6157fZM 0.9354；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.4185VXM 1.1538、vY=0.4898VYM 0.961And vZ=
0.9958VZM 0.9982；Wherein,
Described fxFor measuring point actual master oscillator frequenc in the X direction, described fXMFor described sensing data in the X direction
Master oscillator frequenc；Described fyFor measuring point actual master oscillator frequenc in the Y direction, described fYMFor described sensing data in the Y direction
Master oscillator frequenc；Described fzFor measuring point actual master oscillator frequenc in z-direction, described fZMFor actual measuring point master in z-direction
Vibration frequency；
Described vxFor measuring point actual vibration velocity amplitude in the X direction, described VXMFor described sensing data in X-direction
On vibration velocity amplitude；Described fyFor measuring point actual vibration velocity amplitude in the Y direction, described VYMFor described sensor number
According to vibration velocity amplitude in the Y direction；Described fzFor measuring point actual vibration velocity amplitude in z-direction, described VZMFor institute
State sensing data vibration velocity amplitude in z-direction.
In such scheme, as a length of 30cm that described Test bench exposes in Rock And Soil, described frequency correction letter
Number is particularly as follows: fX=0.7272fXM 1.1332、fY=2.3405fYM 0.8134And fZ=1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.2181VXM 1.6255、vY=0.3509VYM 1.2087And vZ
=0.9953VZM 0.9961。
In such scheme, as a length of 35m that described Test bench exposes in Rock And Soil, described frequency correction function
Particularly as follows: fX=2.2699fXM 0.8643、fY=2.1075fYM 0.8949And fZ=0.8069fZM 1.1271；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0902VXM 2.2975、vY=0.2412VYM 1.559And vZ=
0.9968VZM 0.9934。
In such scheme, as a length of 40m that described Test bench exposes in Rock And Soil, described frequency correction function
Particularly as follows: fX=4.8804fXM 0.7062、fY=3.2278fYM 0.7639And fZ=1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0665VXM 2.6674、vY=0.2127VYM 1.743And vZ=
0.9996VZM 0.9906。
In such scheme, as a length of 45m that described Test bench exposes in Rock And Soil, described frequency correction function
Particularly as follows: fX=12.601fXM 0.435、fY=3.5085fYM 0.749And fZ=1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0794VXM 2.9451、vY=0.1738VYM 2.0956And vZ
=1.0032VZM 0.9848。
In such scheme, as a length of 50m that described Test bench exposes in Rock And Soil, described frequency correction function
Particularly as follows: fX=10.822fXM 0.4837、fY=3.3109fYM 0.7379And fZ=1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0539VXM 3.7508、vY=0.1628VYM 2.4078And vZ
=1.0044VZM 0.9824。
In such scheme, as a length of 55m that described Test bench exposes in Rock And Soil, described frequency correction function
Particularly as follows: fX=10.068fXM 0.4822、fY=4.7793fYM 0.6468And fY=4.7793fYM 0.6468；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.1545VXM 3.3643、vY=0.352VYM 1.9237And vZ=
0.989VZM 0.984。
The present invention also provides for a kind of device revising data, and described device includes:
Setting up unit, described unit of setting up, for the length exposed on Rock And Soil surface based on Test bench, sets up each length
The finite element structure model that the lower Test bench of degree is corresponding；
Applying unit, described applying unit for applying the finite element knot to described correspondence by default external drive load
In bottom node group on structure model, obtain each bottom node vibration data and each simulation monitoring point vibration data；
Fitting unit, described fitting unit is for according to each bottom node vibration data and each simulation monitoring point vibration data
Matching each data correction function；
Amending unit, described amending unit is for the vibration data recorded pedestal sensor according to each data correction function
It is modified；Wherein, described data correction function specifically includes: frequency correction function and vibration velocity amplitude correction function；Institute
Stating simulation monitoring node is the nodes of locations that described pedestal places sensor.
The invention provides the method and device of a kind of data correction, described method includes: based on Test bench at ground
The length that surface is exposed, sets up the finite element structure model that Test bench under each length is corresponding；Sensing is placed with described pedestal
The nodes of locations of device is as simulation monitoring node；Default external drive load is applied to corresponding finite element structure model
Bottom node group on, obtain each bottom node vibration data and each simulation monitoring point vibration data；Shake according to each bottom node
Dynamic data and each simulation monitoring point vibration data matching each data correction function；According to each data correction function to actual measurement Rock And Soil
The vibration data of different depth is modified；Wherein, described data correction function specifically includes: frequency correction function and vibration speed
Degree amplitude correction function.So, the vibration data measured by pedestal sensor can be repaiied according to each data correction function
Just, solve and draw the vibration data of actual measuring point on Rock And Soil, thus improve precision and the accuracy of data, more can be accurately
Reflect actual measuring point vibration performance on Rock And Soil.
Accompanying drawing explanation
The method flow schematic diagram of the correction data that Fig. 1 provides for the embodiment of the present invention one；
The overall structure schematic diagram of the pedestal that Fig. 2 provides for the embodiment of the present invention one；
The top view of the portable plate that Fig. 3 provides for the embodiment of the present invention；
The top view of the fixing base station that Fig. 4 provides for the embodiment of the present invention；
The side view connecing high bar that Fig. 5 provides for the embodiment of the present invention；
The top view connecing high bar that Fig. 6 provides for the embodiment of the present invention；
The side view of the drill steel that Fig. 7 provides for the embodiment of the present invention；
The top view of the drill steel that Fig. 8 provides for the embodiment of the present invention；
The top view connecing high cylinder that Fig. 9 provides for the embodiment of the present invention；
The top view of the force application part that Figure 10 provides for the embodiment of the present invention；
The apparatus structure schematic diagram of the correction data that Figure 11 provides for the embodiment of the present invention two；
The schematic diagram that the pedestal that Figure 12 provides for the embodiment of the present invention three is fixed on decayed rock.
Detailed description of the invention
In order to improve precision and the accuracy of test data so that test data more can accurately reflect actual measuring point
Vibration performance, the invention provides the method and device of a kind of data correction, and described method includes: based on Test bench at ground
The length exposed in body, sets up the finite element structure model that Test bench under each height is corresponding；Sensor is placed with described pedestal
Nodes of locations as simulation monitoring node；Default external drive load is applied to corresponding finite element structure model
In bottom node group, obtain each bottom node vibration data and each simulation monitoring point vibration data；Vibrate according to each bottom node
Data and each simulation monitoring point vibration data matching each data correction function；According to each data correction function, pedestal sensor is surveyed
The vibration data obtained is modified；Wherein, described data correction function specifically includes: frequency correction function and vibration velocity amplitude
Correction function.
Below by drawings and the specific embodiments, technical scheme is described in further detail.
Embodiment one
The present embodiment provides a kind of method of data correction, as it is shown in figure 1, said method comprising the steps of:
Step 110, the length exposed on Rock And Soil surface based on Test bench, set up Test bench under each length corresponding
Finite element structure model.
In this step, according to the actual size of described pedestal all parts, utilize dynamic finite element software ANSYS/LS-
DYNA sets up the finite element structure model that Test bench under each height is corresponding；In model, material all uses Soild164 dividing elements
For Lagrange grid.For ensureing that grid is uniform, all size of mesh opening are all divided into 0.2cm, calculate and use cm-g-us unit
System.Wherein, described pedestal hardware configuration material all uses Q235 carbon structural steel, and material constitutive model takes MAT_
ELASTIC, its design parameter is as follows: density 7.85g/cm3, elastic modelling quantity 200GPa, Poisson's ratio 0.3, tensile strength 420MPa.
The length that described pedestal exposes in Rock And Soil may include that 25cm, 30cm, 35cm, 40cm, 45cm, 50cm,
55cm。
Wherein, as described in Figure 2, described pedestal includes fixing base station, portable plate 1, connects high bar 2, sensor 3, drill steel 4；Its
In,
One end of described fixing base station is connected with portable plate 1；Another of described one end connecing high bar 2 and described fixing base station
End is connected；Described sensor 3 is arranged on described fixing base station, for testing the vibration signal of Rock And Soil；The one of described drill steel 4
End is connected with the described other end connecing high bar 2, for described pedestal is screwed in described Rock And Soil.Described sensor 3 passes for vibration measuring
Sensor.
Specifically, seeing Fig. 2, described fixing base station includes: fixed plate 5, matrix 6 and connect high cylinder 7；Described fixed plate 5 edge
Diagonal is disposed with the first screw rod, and described first screw rod includes two, and a jiao of described fixed plate 5 passes through the first screw rod with described
One jiao of portable plate 1 is connected, and another angle of described fixed plate 5 is connected with another angle of described portable plate 1 by the first screw rod；Institute
The one end stating matrix 6 is connected with the other end of described fixed plate 5 by welding, and the other end of described matrix 6 passes through screw thread and institute
State connect high bar 2 one end be connected.One end of described drill steel 4 connects high cylinder 7 and is connected with the described other end connecing high bar 2 described in passing through.
Wherein, see Fig. 3, described portable plate 1 offers groove hole, for dredging the wiring of described sensor 3；This enforcement
In example, a diameter of 2cm in described groove hole, thickness is 0.5cm；The center of described portable plate 1 is enclosed and is met a height of 0.5cm, and thickness is
0.2cm, described portable plate 1 is additionally provided with the aileron of a length of 6cm of inner edge, with the displacement of limiting sensor 3.In other embodiments, institute
State the diameter in groove hole, thickness；Height is enclosed at the center of described portable plate 1, thickness, the aileron length of side can set according to actual needs
Fixed.
See Fig. 5, described fixing base station offers groove hole, for dredging the wiring of described sensor 3；Described groove hole
A diameter of 2cm, thickness is 0.5cm.
See Fig. 6 and Fig. 7, described in connect one end of high bar 2 and be additionally provided with three screws and screw thread, in the present embodiment, described spiral shell
A diameter of 2.5cm of stricture of vagina, described in connect the external diameter of high bar 2 be 5cm.Described connecing is additionally provided with scale mark on high bar 2.Other embodiments
In, described in connect the diameter of thread of high bar 2 and external diameter can set according to actual needs.
Seeing Fig. 8 and Fig. 9, one end of described drill steel 4 also is provided with three screws and screw thread, in the present embodiment, and described drill steel 4
A length of 25cm, the conical section of its other end is 10cm.It is also equipped with scale mark on described drill steel 4.Other embodiments
In, the length of described drill steel 4 and the length of conical section can be set according to actual needs.
See Figure 10, in the present embodiment, described in meet a length of 5cm of high cylinder 7, internal diameter is 1.5cm, and external diameter is 5cm；Other
In embodiment, described drill steel connects length, internal diameter and the external diameter of high cylinder 7 and can be set according to actual needs.
Here, in order to record the vibration signal of Rock And Soil under different coating thicknesses or depth of accumulated water, described in connect high bar 2 can
Multiple to include, and the length respectively connecing high bar 2 is different.
Step 111, places the nodes of locations of sensor as simulation monitoring node using described pedestal.
In this step, set up finite element structure model in, using described pedestal place sensor nodes of locations as
Simulation monitoring node, can simulate actual test environment more realistically so that simulation monitoring node data can actual response reality
Sensing data in the test environment of border.
Step 112, applies the bottom joint to the finite element structure model of described correspondence by default external drive load
In some group, obtain each bottom node vibration data and each simulation monitoring point vibration data.
In this step, in order to can be with the vibration data of Rock And Soil in the actual test environment of actual response, by default outside
Excitation load applies, in the bottom node group to the finite element structure model of described correspondence, to obtain each bottom node vibration data
And each simulation monitoring point vibration data.
Wherein, external drive load specifically includes: the master of 20Hz, 30Hz, 40Hz, 50Hz, 60Hz, 80Hz, 100Hz shakes frequently
Rate；The vibration velocity amplitude of 1cm/s, 2cm/s, 3cm/s, 4cm/s, 5cm/s, 6cm/s, 7cm/s.Described master oscillator frequenc and vibration velocity amplitude
It is mutually combined into 49 groups of excitation loads to apply to the finite element structure model of corresponding each exposed length, such as,
20Hz forms seven groups of excitation loads respectively with 1cm/s, 2cm/s, 3cm/s, 4cm/s, 5cm/s, 6cm/s, 7cm/s, and by this group
It is on 25cm finite element structure model that excitation load applies to exposed length, by that analogy, has 49 groups of excitation loads.
Step 113, according to each bottom node vibration data and each simulation monitoring point vibration data matching each data correction letter
Number.
In this step, when 49 groups of number excitation loads are respectively applied to the finite element structure mould that exposed length is 25cm
Time in type, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and the vibration of simulation monitoring point
Data.According to method of least square, portion's node vibrations data and simulation monitoring point vibration data are fitted, get and expose length
Degree is correction function during 25cm, and described data correction function specifically includes: frequency correction function and vibration velocity amplitude correction
Function, specific as follows:
Described frequency correction function is particularly as follows: fX=0.489fXM 1.1951、fY=0.489fYM 1.1951And fZ=
1.6157fZM 0.9354；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.4185VXM 1.1538、vY=0.4898VYM 0.961And vZ=
0.9958VZM 0.9982；Wherein,
Described fxFor measuring point actual master oscillator frequenc in the X direction, described fXMFor described sensing data in the X direction
Master oscillator frequenc；Described fyFor measuring point actual master oscillator frequenc in the Y direction, described fYMFor described sensing data in the Y direction
Master oscillator frequenc；Described fzFor measuring point actual master oscillator frequenc in z-direction, described fZMFor actual measuring point master in z-direction
Vibration frequency；
Described vxFor measuring point actual vibration velocity amplitude in the X direction, described VXMFor described sensing data in X-direction
On vibration velocity amplitude；Described fyFor measuring point actual vibration velocity amplitude in the Y direction, described VYMFor described sensor number
According to vibration velocity amplitude in the Y direction；Described fzFor measuring point actual vibration velocity amplitude in z-direction, described VZMFor institute
State sensing data vibration velocity amplitude in z-direction.
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 30cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.According to method of least square, portion's node vibrations data and simulation monitoring point vibration data are fitted, get exposed length
For correction function during 30cm, specific as follows:
As a length of 30cm that described Test bench exposes in Rock And Soil, described frequency correction function is particularly as follows: fX
=0.7272fXM 1.1332、fY=2.3405fYM 0.8134And fZ=1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.2181VXM 1.6255、vY=0.3509VYM 1.2087And vZ
=0.9953VZM 0.9961。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 35cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.According to method of least square, portion's node vibrations data and simulation monitoring point vibration data are fitted, get exposed length
For correction function during 35cm, specific as follows:
Described frequency correction function is particularly as follows: fX=2.2699fXM 0.8643、fY=2.1075fYM 0.8949And fZ=
0.8069fZM 1.1271；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0902VXM 2.2975、vY=0.2412VYM 1.559And vZ=
0.9968VZM 0.9934。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 40cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.According to method of least square, portion's node vibrations data and simulation monitoring point vibration data are fitted, get exposed length
For correction function during 40cm, specific as follows:
Described frequency correction function is particularly as follows: fX=4.8804fXM 0.7062、fY=3.2278fYM 0.7639And fZ=
1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0665VXM 2.6674、vY=0.2127VYM 1.743And vZ=
0.9996VZM 0.9906。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 45cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.According to method of least square, portion's node vibrations data and simulation monitoring point vibration data are fitted, get exposed length
For correction function during 45cm, specific as follows:
Described frequency correction function is particularly as follows: fX=12.601fXM 0.435、fY=3.5085fYM 0.749And fZ=
1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0794VXM 2.9451、vY=0.1738VYM 2.0956And vZ
=1.0032VZM 0.9848。
Correspondingly, when by the master oscillator frequenc of 80Hz and the vibration velocity amplitude of 6cm/s be one group excitation load apply to exposing length
Degree is for, time on the finite element structure model of 50cm, obtaining 49 groups of result of calculations, and described result of calculation includes that bottom node is shaken
Dynamic data and simulation monitoring point vibration data.According to method of least square to portion's node vibrations data and simulation monitoring point vibration data
Being fitted, getting exposed length is correction function during 50cm, specific as follows:
Described frequency correction function is particularly as follows: fX=10.822fXM 0.4837、fY=3.3109fYM 0.7379And fZ=
1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0539VXM 3.7508、vY=0.1628VYM 2.4078And vZ
=1.0044VZM 0.9824。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 50cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.According to method of least square, portion's node vibrations data and simulation monitoring point vibration data are fitted, get exposed length
For correction function during 55cm, specific as follows:
Described frequency correction function is particularly as follows: fX=10.068fXM 0.4822、fY=4.7793fYM 0.6468And fY=
4.7793fYM 0.6468；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.1545VXM 3.3643、vY=0.352VYM 1.9237And vZ=
0.989VZM 0.984。
Step 114, is modified according to the vibration data that pedestal sensor is recorded by each data correction function.
In this step, after each data correction function draws, can be according to each data correction function to pedestal sensor
The vibration data recorded is modified.
The method of the correction data that the present embodiment provides, the length exposed on Rock And Soil surface based on Test bench, set up
The finite element structure model that under each length, Test bench is corresponding, according under different length according to each bottom node vibration data and
Each simulation monitoring point vibration data matching each data correction function；Pedestal sensor can be surveyed according to each data correction function
The vibration data obtained is modified, and solves and draws the vibration data of actual measuring point on Rock And Soil, thus improves the precision of data
And accuracy, more can accurately reflect actual measuring point vibration performance.
Embodiment two
Corresponding to embodiment one, the present embodiment provides a kind of device revising data, as shown in figure 11, described device bag
Include: set up unit 101, applying unit 102, fitting unit 103, amending unit 104；Wherein,
Described unit 101 of setting up, for the length exposed on Rock And Soil surface based on Test bench, is set up and is surveyed under each length
The finite element structure model that examination pedestal is corresponding.
Specifically, described set up the unit 101 actual size according to described pedestal all parts, utilize dynamic finite element soft
Part ANSYS/LS-DYNA sets up the finite element structure model that Test bench under each height is corresponding；In model, material all uses
Soild164 dividing elements is Lagrange grid.For ensureing that grid is uniform, all size of mesh opening are all divided into 0.2cm, calculate
Use the cm-g-us system of unit.Wherein, described pedestal hardware configuration material all uses Q235 carbon structural steel, material constitutive
Model takes MAT_ELASTIC, and its design parameter is as follows: density 7.85g/cm3, elastic modelling quantity 200GPa, Poisson's ratio 0.3, tension
Intensity 420MPa.
The length that described pedestal exposes in Rock And Soil may include that 25cm, 30cm, 35cm, 40cm, 45cm, 50cm,
55cm。
Wherein, as described in Figure 2, described pedestal includes fixing base station, portable plate 1, connects high bar 2, sensor 3, drill steel 4；Its
In,
One end of described fixing base station is connected with portable plate 1；Another of described one end connecing high bar 2 and described fixing base station
End is connected；Described sensor 3 is arranged on described fixing base station, for testing the vibration signal of Rock And Soil；The one of described drill steel 4
End is connected with the described other end connecing high bar 2, for described pedestal is screwed in described Rock And Soil.Described sensor 3 passes for vibration measuring
Sensor.
Specifically, seeing Fig. 2, described fixing base station includes: fixed plate 5, matrix 6 and connect high cylinder 7；Described fixed plate 5 edge
Diagonal is disposed with the first screw rod, and described first screw rod includes two, and a jiao of described fixed plate 5 passes through the first screw rod with described
One jiao of portable plate 1 is connected, and another angle of described fixed plate 5 is connected with another angle of described portable plate 1 by the first screw rod；Institute
The one end stating matrix 6 is connected with the other end of described fixed plate 5 by welding, and the other end of described matrix 6 passes through screw thread and institute
State connect high bar 2 one end be connected.One end of described drill steel 4 connects high cylinder 7 and is connected with the described other end connecing high bar 2 described in passing through.
Wherein, see Fig. 3, described portable plate 1 offers groove hole, for dredging the wiring of described sensor 3；This enforcement
In example, a diameter of 2cm in described groove hole, thickness is 0.5cm；The center of described portable plate 1 is enclosed and is met a height of 0.5cm, and thickness is
0.2cm, described portable plate 1 is additionally provided with the aileron of a length of 6cm of inner edge, with the displacement of limiting sensor 3.In other embodiments, institute
State the diameter in groove hole, thickness；Height is enclosed at the center of described portable plate 1, thickness, the aileron length of side can set according to actual needs
Fixed.
See Fig. 5, described fixing base station offers groove hole, for dredging the wiring of described sensor 3；Described groove hole
A diameter of 2cm, thickness is 0.5cm.
See Fig. 6 and Fig. 7, described in connect one end of high bar 2 and be additionally provided with three screws and screw thread, in the present embodiment, described spiral shell
A diameter of 2.5cm of stricture of vagina, described in connect the external diameter of high bar 2 be 5cm.Described connecing is additionally provided with scale mark on high bar 2.Other embodiments
In, described in connect the diameter of thread of high bar 2 and external diameter can set according to actual needs.
Seeing Fig. 8 and Fig. 9, one end of described drill steel 4 also is provided with three screws and screw thread, in the present embodiment, and described drill steel 4
A length of 25cm, the conical section of its other end is 10cm.It is also equipped with scale mark on described drill steel 4.Other embodiments
In, the length of described drill steel 4 and the length of conical section can be set according to actual needs.
See Figure 10, in the present embodiment, described in meet a length of 5cm of high cylinder 7, internal diameter is 1.5cm, and external diameter is 5cm；Other
In embodiment, described drill steel connects length, internal diameter and the external diameter of high cylinder 7 and can be set according to actual needs.
Here, in order to record the vibration signal of Rock And Soil under different coating thicknesses or depth of accumulated water, described in connect high bar 2 can
Multiple to include, and the length respectively connecing high bar 2 is different.
After the finite element structure model of pedestal establishes, described applying unit 102 is for by default external drive
Load applies in the bottom node group to the finite element structure model of described correspondence, obtains each bottom node vibration data and each
Simulation monitoring point vibration data；
Specifically, external drive load specifically includes: the master of 20Hz, 30Hz, 40Hz, 50Hz, 60Hz, 80Hz, 100Hz shakes
Frequency；The vibration velocity amplitude of 1cm/s, 2cm/s, 3cm/s, 4cm/s, 5cm/s, 6cm/s, 7cm/s.Described master oscillator frequenc and vibration velocity width
Value is mutually combined into 49 groups of excitation loads and applies to the finite element structure model of corresponding each exposed length, such as,
20Hz forms seven groups of excitation loads respectively with 1cm/s, 2cm/s, 3cm/s, 4cm/s, 5cm/s, 6cm/s, 7cm/s, and by this group
It is on 25cm finite element structure model that excitation load applies to exposed length, by that analogy, has 49 groups of excitation loads.
Described applying unit 102 places the nodes of locations of sensor as simulation monitoring node using described pedestal, with can be more
Simulate actual test environment truly so that simulating monitoring node data can sensor in the actual test environment of actual response
Data.In order to default external drive load can be applied with the vibration data of Rock And Soil in the actual test environment of actual response
In bottom node group to the finite element structure model of described correspondence, obtain each bottom node vibration data and respectively simulate monitoring
Point vibration data.
After described applying unit 102 gets each bottom node vibration data and each simulation monitoring point vibration data, institute
State fitting unit 103 for according to each bottom node vibration data and each simulation monitoring point vibration data matching each data correction letter
Number.
Specifically, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 25cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 25cm, and described data correction function specifically includes: frequency correction function and vibration
Velocity amplitude correction function, specific as follows:
Described frequency correction function is particularly as follows: fX=0.489fXM 1.1951、fY=0.489fYM 1.1951And fZ=
1.6157fZM 0.9354；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.4185VXM 1.1538、vY=0.4898VYM 0.961And vZ=
0.9958VZM 0.9982；Wherein,
Described fxFor measuring point actual master oscillator frequenc in the X direction, described fXMFor described sensing data in the X direction
Master oscillator frequenc；Described fyFor measuring point actual master oscillator frequenc in the Y direction, described fYMFor described sensing data in the Y direction
Master oscillator frequenc；Described fzFor measuring point actual master oscillator frequenc in z-direction, described fZMFor actual measuring point master in z-direction
Vibration frequency；
Described vxFor measuring point actual vibration velocity amplitude in the X direction, described VXMFor described sensing data in X-direction
On vibration velocity amplitude；Described fyFor measuring point actual vibration velocity amplitude in the Y direction, described VYMFor described sensor number
According to vibration velocity amplitude in the Y direction；Described fzFor measuring point actual vibration velocity amplitude in z-direction, described VZMFor institute
State sensing data vibration velocity amplitude in z-direction.
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 30cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 30cm, specific as follows:
As a length of 30cm that described Test bench exposes in Rock And Soil, described frequency correction function is particularly as follows: fX
=0.7272fXM 1.1332、fY=2.3405fYM 0.8134And fZ=1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.2181VXM 1.6255、vY=0.3509VYM 1.2087And vZ
=0.9953VZM 0.9961。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 35cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 35cm, specific as follows:
Described frequency correction function is particularly as follows: fX=2.2699fXM 0.8643、fY=2.1075fYM 0.8949And fZ=
0.8069fZM 1.1271；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0902VXM 2.2975、vY=0.2412VYM 1.559And vZ=
0.9968VZM 0.9934。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 40cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 40cm, specific as follows:
Described frequency correction function is particularly as follows: fX=4.8804fXM 0.7062、fY=3.2278fYM 0.7639And fZ=
1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0665VXM 2.6674、vY=0.2127VYM 1.743And vZ=
0.9996VZM 0.9906。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 45cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 45cm, specific as follows:
Described frequency correction function is particularly as follows: fX=12.601fXM 0.435、fY=3.5085fYM 0.749And fZ=
1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0794VXM 2.9451、vY=0.1738VYM 2.0956And vZ
=1.0032VZM 0.9848。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 50cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 50cm, specific as follows:
Described frequency correction function is particularly as follows: fX=10.822fXM 0.4837、fY=3.3109fYM 0.7379And fZ=
1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0539VXM 3.7508、vY=0.1628VYM 2.4078And vZ
=1.0044VZM 0.9824。
Correspondingly, when 49 groups of number excitation loads are respectively applied to the finite element structure model that exposed length is 50cm
Time upper, can obtain 49 groups of result of calculations, described result of calculation includes bottom node vibration data and simulation monitoring point vibration number
According to.Portion's node vibrations data and simulation monitoring point vibration data are fitted by described fitting unit 103 according to method of least square,
Getting exposed length is correction function during 55cm, specific as follows:
Described frequency correction function is particularly as follows: fX=10.068fXM 0.4822、fY=4.7793fYM 0.6468And fY=
4.7793fYM 0.6468；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.1545VXM 3.3643、vY=0.352VYM 1.9237And vZ=
0.989VZM 0.984。
After each data correction function draws, described amending unit 104 is used for according to each data correction function pedestal
The vibration data that sensor records is modified.
In actual application, described set up unit 101, applying unit 102, fitting unit 103, amending unit 104 can be by
Central processing unit (CPU, Central Processing Unit) in this device, digital signal processor (DSP, Digtal
Signal Processor), programmable logic array (FPGA, Field Programmable Gate Array), microcontroller list
Unit (MCU, Micro Controller Unit) realizes.
The device of the correction data that the present embodiment provides, the length exposed on Rock And Soil surface based on Test bench, set up
The finite element structure model that under each length, Test bench is corresponding, according under different length according to each bottom node vibration data and
Each simulation monitoring point vibration data matching each data correction function；Pedestal sensor can be recorded according to each data correction function
Vibration data be modified, solve and draw the vibration data of actual measuring point on Rock And Soil, thus improve data precision and
Accuracy, more can accurately reflect actual measuring point vibration performance.
Embodiment three
In actual application, it is possible to use the Rock And Soil of varying environment is tested by the pedestal of embodiment one, obtain vibration
Data, and utilize data correcting method that embodiment one provides and the data correction device that embodiment two provides to enter for data
Row is revised, specific as follows:
When Rock And Soil is decayed rock, sensor is not fixed easily, and as shown in figure 12, arranges the first sensing on the base
Vibration signal is monitored by device 121.In order to verify the accuracy of correction algorithm, rock top weathered layer is excavated formation ditch
Groove, and arrange the second sensor 122, the vibration signal recorded with through accomplishing the revised vibration amplitude of algorithm, frequency compares
Relatively.During actual monitoring, pedestal exposed length is 55cm.The vibration monitoring data finally obtained are as shown in table 1:
Table 1
The data utilizing the data correction function that pedestal exposed length is 55cm to record first sensor 121 are modified
After data as shown in table 2:
Table 2
From table 2 it can be seen that the vibration velocity that records of the vibration velocity of revised first sensor 121 and the second sensor 122 it
Between error be 2.81% to the maximum, frequency error is 4.02% to the maximum, and the precision or well of this data correcting method is described.
When Rock And Soil is friable soil, sensor is not fixed easily, and uses this pedestal to the earth's surface under friable soil environment
Vibration is monitored.According to on-the-spot actual environment, pedestal ride out is elected 25cm as, is got first sensor 121 and monitor number
After (monitoring vibration velocity and monitoring frequency), utilize the data correction function that pedestal exposed length is 25cm to first sensor 121
After the data recorded are modified, revised data are as shown in table 3:
Table 3
When utilizing this pedestal to be monitored the Rock And Soil under hydrops environment, according to on-the-spot actual environment, pedestal exposes
Highly elect 30cm as, after getting first sensor 121 Monitoring Data (monitoring vibration velocity and monitoring frequency), utilize pedestal to expose length
After the data that first sensor 121 records are modified by the data correction function that degree is 30cm, revised data such as table 4 institute
Show:
Table 4
The data that first sensor 121 is recorded by the data correcting method utilizing embodiment one to provide in the present embodiment are carried out
After correction, can more accurately reflect actual measuring point vibration performance.
The above, only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention, all
Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. the method revising data, it is characterised in that described method includes
The length exposed on Rock And Soil surface based on Test bench, sets up the finite element structure mould that Test bench under each length is corresponding
Type；
The nodes of locations of sensor is placed as simulation monitoring node using described pedestal；
Apply default external drive load, in the bottom node group to corresponding finite element structure model, to obtain each end
Portion's node vibrations data and each simulation monitoring point vibration data；
According to each bottom node vibration data and each simulation monitoring point vibration data matching each data correction function；
It is modified according to the vibration data that pedestal sensor is recorded by each data correction function；Wherein, described data correction letter
Number specifically includes: frequency correction function and vibration velocity amplitude correction function.
2. the method for claim 1, it is characterised in that set up the finite element structure mould that Test bench under each height is corresponding
Type specifically includes:
According to the actual size of described pedestal all parts, dynamic finite element software ANSYS/LS-DYNA is utilized to set up each height
The finite element structure model that lower Test bench is corresponding；Wherein,
Described pedestal includes:
Fixing base station, one end of described fixing base station is connected with portable plate；
Connect high bar, described in connect high bar the other end of one end and described fixing base station be connected；
Sensor, described sensor is arranged on described fixing base station；
Drill steel, one end of described drill steel is connected with the described other end connecing high bar.
3. method as claimed in claim 2, it is characterised in that when described Test bench expose in Rock And Soil a length of
During 25cm, described frequency correction function is particularly as follows: fX=0.489fXM 1.1951、fY=0.489fYM 1.1951And fZ=
1.6157fZM 0.9354；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.4185VXM 1.1538、vY=0.4898VYM 0.961And vZ=
0.9958VZM 0.9982；Wherein,
Described fxFor measuring point actual master oscillator frequenc in the X direction, described fXMFor described sensing data, master in the X direction shakes
Frequency；Described fyFor measuring point actual master oscillator frequenc in the Y direction, described fYMFor described sensing data master in the Y direction
Vibration frequency；Described fzFor measuring point actual master oscillator frequenc in z-direction, described fZMShake frequently for actual measuring point master in z-direction
Rate；
Described vxFor measuring point actual vibration velocity amplitude in the X direction, described VXMFor described sensing data in the X direction
Vibration velocity amplitude；Described fyFor measuring point actual vibration velocity amplitude in the Y direction, described VYMExist for described sensing data
Vibration velocity amplitude in Y-direction；Described fzFor measuring point actual vibration velocity amplitude in z-direction, described VZMFor described biography
Sensor data vibration velocity amplitude in z-direction.
4. the method described in claim 3, it is characterised in that as a length of 30cm that described Test bench exposes in Rock And Soil
Time, described frequency correction function is particularly as follows: fX=0.7272fXM 1.1332、fY=2.3405fYM 0.8134And fZ=
1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.2181VXM 1.6255、vY=0.3509VYM 1.2087And vZ=
0.9953VZM 0.9961。
5. the method described in claim 3, it is characterised in that as a length of 35m that described Test bench exposes in Rock And Soil
Time, described frequency correction function is particularly as follows: fX=2.2699fXM 0.8643、fY=2.1075fYM 0.8949And fZ=
0.8069fZM 1.1271；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0902VXM 2.2975、vY=0.2412VYM 1.559And vZ=
0.9968VZM 0.9934。
6. the method described in claim 3, it is characterised in that as a length of 40m that described Test bench exposes in Rock And Soil
Time, described frequency correction function is particularly as follows: fX=4.8804fXM 0.7062、fY=3.2278fYM 0.7639And fZ=
1.3762fZM 0.9894；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0665VXM 2.6674、vY=0.2127VYM 1.743And vZ=
0.9996VZM 0.9906。
7. the method described in claim 3, it is characterised in that as a length of 45m that described Test bench exposes in Rock And Soil
Time, described frequency correction function is particularly as follows: fX=12.601fXM 0.435、fY=3.5085fYM 0.749And fZ=1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0794VXM 2.9451、vY=0.1738VYM 2.0956And vZ=
1.0032VZM 0.9848。
8. the method described in claim 3, it is characterised in that as a length of 50m that described Test bench exposes in Rock And Soil
Time, described frequency correction function is particularly as follows: fX=10.822fXM 0.4837、fY=3.3109fYM 0.7379And fZ=
1.3762fZM 0.9849；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.0539VXM 3.7508、vY=0.1628VYM 2.4078And vZ=
1.0044VZM 0.9824。
9. the method described in claim 3, it is characterised in that as a length of 55m that described Test bench exposes in Rock And Soil
Time, described frequency correction function is particularly as follows: fX=10.068fXM 0.4822、fY=4.7793fYM 0.6468And fY=
4.7793fYM 0.6468；
Described vibration velocity amplitude correction function is particularly as follows: vX=0.1545VXM 3.3643、vY=0.352VYM 1.9237And vZ=
0.989VZM 0.984。
10. the device revising data, it is characterised in that described device includes:
Setting up unit, described unit of setting up, for the length exposed on Rock And Soil surface based on Test bench, is set up under each length
The finite element structure model that Test bench is corresponding；
Applying unit, described applying unit is for applying the finite element structure mould to described correspondence by default external drive load
In bottom node group in type, obtain each bottom node vibration data and each simulation monitoring point vibration data；
Fitting unit, described fitting unit is for according to each bottom node vibration data and each simulation monitoring point vibration data matching
Each data correction function；
Amending unit, described amending unit is carried out for the vibration data recorded pedestal sensor according to each data correction function
Revise；Wherein, described data correction function specifically includes: frequency correction function and vibration velocity amplitude correction function；Described mould
Intending monitoring node is the nodes of locations that described pedestal places sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801978.7A CN106291708B (en) | 2016-09-05 | 2016-09-05 | A kind of method and device for correcting data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801978.7A CN106291708B (en) | 2016-09-05 | 2016-09-05 | A kind of method and device for correcting data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291708A true CN106291708A (en) | 2017-01-04 |
| CN106291708B CN106291708B (en) | 2018-06-15 |
Family
ID=57710837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610801978.7A Expired - Fee Related CN106291708B (en) | 2016-09-05 | 2016-09-05 | A kind of method and device for correcting data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106291708B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844619A (en) * | 2018-06-12 | 2018-11-20 | 中国地质大学（武汉） | A kind of Rock And Soil vibration-testing pedestal, correction algorithm and its device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242003A (en) * | 1996-03-06 | 1997-09-16 | Railway Technical Res Inst | Stabilizing method for balast railway |
| CN101052896A (en) * | 2004-08-27 | 2007-10-10 | 普拉德研究及发展公司 | Improved geophone calibration technique |
| US20090122642A1 (en) * | 2007-04-26 | 2009-05-14 | The University Of Tokyo | Bottom-sediment classification device and method |
| CN101813785A (en) * | 2010-05-10 | 2010-08-25 | 中南大学 | Sensor tailstock for seismic exploration or vibration test |
| CN104749615A (en) * | 2015-03-18 | 2015-07-01 | 中南大学 | Radio detector for seismic exploration or vibration test |
-
2016
- 2016-09-05 CN CN201610801978.7A patent/CN106291708B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242003A (en) * | 1996-03-06 | 1997-09-16 | Railway Technical Res Inst | Stabilizing method for balast railway |
| CN101052896A (en) * | 2004-08-27 | 2007-10-10 | 普拉德研究及发展公司 | Improved geophone calibration technique |
| US20090122642A1 (en) * | 2007-04-26 | 2009-05-14 | The University Of Tokyo | Bottom-sediment classification device and method |
| CN101813785A (en) * | 2010-05-10 | 2010-08-25 | 中南大学 | Sensor tailstock for seismic exploration or vibration test |
| CN104749615A (en) * | 2015-03-18 | 2015-07-01 | 中南大学 | Radio detector for seismic exploration or vibration test |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844619A (en) * | 2018-06-12 | 2018-11-20 | 中国地质大学（武汉） | A kind of Rock And Soil vibration-testing pedestal, correction algorithm and its device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106291708B (en) | 2018-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Pitilakis et al. | Numerical simulation of dynamic soil–structure interaction in shaking table testing | |
| von Estorff et al. | Coupling of boundary and finite elements for soil‐structure interaction problems | |
| Resende et al. | Micromechanical modelling of stress waves in rock and rock fractures | |
| AU2020100727A4 (en) | Method For Dynamic Test Of 100 m-High Earth And Rockfill Dam Under Real Stress Field | |
| CN103175602B (en) | Modal testing system and modal testing method on basis of single-point laser continuous plane-scanning vibration measurement | |
| CN111475882A (en) | ABAQUS-based rock mass tunnel concrete structure seismic response numerical simulation analysis method | |
| CN110414183B (en) | Comprehensive pipe gallery anti-seismic analysis method with FRP (fiber reinforced plastic) ribs | |
| Fattah et al. | Dynamic response of saturated soil-foundation system acted upon by vibration | |
| Liu et al. | Process simulation and mesoscopic analysis of rockfill dam compaction using discrete element method | |
| Estrada et al. | Yield surfaces and plastic potentials of cemented granular materials from discrete element simulations | |
| CN112883617A (en) | Tunnel lining monitoring range calculation method, device, equipment and readable storage medium | |
| CN115983062A (en) | High arch dam earthquake damage assessment method and system based on finite element model correction | |
| CN108052690A (en) | A kind of crushed stone soil layer discrete element simulation method for considering grain shape randomness | |
| CN113076577A (en) | High-speed railway foundation shear wave velocity calculation method, device, equipment and readable storage medium | |
| Zhang et al. | Numerical analysis of interaction between seabed and mono-pile subjected to dynamic wave loadings considering the pile rocking effect | |
| CN106291708A (en) | A kind of method and device revising data | |
| CN106021840A (en) | Method for inverting transverse isotropic rock mass ground stress | |
| CN114595600A (en) | Foundation vibration reference quality analysis method for large power machine foundation | |
| CN108844619A (en) | A kind of Rock And Soil vibration-testing pedestal, correction algorithm and its device | |
| Sarlak et al. | Numerical and experimental study of soil-structure interaction in structures resting on loose soil using laminar shear box | |
| CN106568463A (en) | Angular vibration generating device used for gyro frequency characteristics, and gyro frequency measuring method | |
| CN108982255B (en) | Power cycle loading method comprising periodic intermittence | |
| Çelebi et al. | Seismic soil response of scaled geotechnical test model on small shaking table | |
| CN207456987U (en) | It is a kind of to intend raw spider web research device | |
| Kim et al. | Dynamic response characteristics of embankment model for various slope angles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20180615 Termination date: 20180905 |