CN112525115A - Sea cliff sea erosion groove geometric form measuring device and measuring method - Google Patents
Sea cliff sea erosion groove geometric form measuring device and measuring method Download PDFInfo
- Publication number
- CN112525115A CN112525115A CN202011191092.8A CN202011191092A CN112525115A CN 112525115 A CN112525115 A CN 112525115A CN 202011191092 A CN202011191092 A CN 202011191092A CN 112525115 A CN112525115 A CN 112525115A
- Authority
- CN
- China
- Prior art keywords
- hose
- sea
- pressure sensor
- erosion groove
- red ink
- 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
- 230000003628 erosive effect Effects 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 22
- 230000005484 gravity Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/16—Measuring arrangements characterised by the use of fluids for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a device and a method for measuring the geometrical form of a sea cliff sea erosion groove, wherein the device specifically comprises a hose, a U-shaped nail, a pressure sensor, a reading instrument, a data line and red ink, wherein the hose is laid along the section of the sea erosion groove, and the U-shaped nail is driven into the soil body of the sea cliff to fix the hose on the soil body of the sea erosion groove; the pressure sensor is connected with one end of the hose close to the bottom of the sea erosion groove; the reading instrument is connected with the pressure sensor through a data line and used for reading the data of the pressure sensor and calculating a pressure value; during measurement, red ink is added into the hose in several times; the invention provides a novel device and a method for measuring the geometrical morphology of a sea cliff sea erosion groove, and the device and the method have the advantages of simple structure, convenience in implementation and reliable results.
Description
Technical Field
The invention relates to the field of coastal erosion protection, in particular to a device and a method for measuring the geometrical form of a sea cliff sea erosion groove.
Background
The sea erosion groove is a landform phenomenon which develops on the cliff foot of the sea under the long-term action of waves, is generally groove-shaped, defines the geometric form of the sea erosion groove, and has important significance for analyzing the stability of an overlying soil body, analyzing the erosion law of the cliff and the like. Heretofore, patent application No. 201610541469.5 proposed a method using a vertical bar and a tape measure for measuring the geometric form of a sea erosion groove, but this method requires a pit to be dug in the bottom of a cliff to embed a foundation, and is complicated to implement.
Disclosure of Invention
The invention mainly aims to overcome the defects in the prior art, and provides a novel device and a method for measuring the geometric form of the sea corrosion groove of the sea cliff, which have the advantages of simple structure, convenience in implementation and reliable result.
The invention adopts the following technical scheme:
a geometrical morphology measuring device for a sea cliff sea erosion groove comprises a hose, U-shaped nails, a pressure sensor, a reading instrument, a data line and red ink, wherein the hose is laid along the section of the sea erosion groove, and the U-shaped nails are driven into the sea cliff soil body to fix the hose on the sea erosion groove soil body; the pressure sensor is connected with one end of the hose close to the bottom of the sea erosion groove; the reading instrument is connected with the pressure sensor through a data line and used for reading the data of the pressure sensor and calculating a pressure value; during measurement, red ink is added into the hose in several times.
Specifically, the hose is made of PVC materials, is transparent, and is marked with scale marks on the outer side along the length direction.
Specifically, the pressure sensor is a vibrating wire pressure sensor.
The invention also provides a method for measuring the geometrical morphology of the sea cliff sea erosion groove, which comprises the following steps:
when the tide is low, the hose is laid along the section of the sea erosion groove, one end of the hose is positioned at the bottom of the sea erosion groove, and the other end of the hose is positioned at the top of the sea erosion groove;
pressing the U-shaped nails on the hose, and driving the U-shaped nails into the soil body of the sea cliff, so that the hose is fixed and completely attached to the surface of the sea erosion groove;
plugging a pressure sensor into one end of the hose close to the bottom of the sea erosion tank, and connecting the pressure sensor to a reading instrument through a data line;
slowly filling the red ink into the hose, filling the red ink into the hose for several times, and respectively reading the scale number on the hose and the pressure data on the pressure sensor when the liquid level is stable each time to obtain the pressure data corresponding to the red ink with different lengths of liquid level;
according to the obtained pressure data of the liquid levels with different lengths and a hydraulic principle, the vertical distances between the liquid levels with different lengths and one end of the hose close to the bottom of the sea erosion groove are obtained;
marking each point according to the length data and the corresponding vertical distance data, and finally connecting all marked points by using a curve, wherein the curve is the geometric form of the sea-erosion groove.
Specifically, the pressure sensor is plugged into one end of the hose close to the bottom of the sea erosion tank, and the pressure sensor further comprises:
the gap between the pressure sensor and the hose is sealed well by adopting quick-drying glass cement, so that the red ink in the hose cannot seep out from the bottom end of the hose.
Specifically, according to the pressure data of the different length liquid levels that obtain, according to the hydraulic principle, obtain the perpendicular distance that different length liquid levels are close to the one end of sea erosion groove bottom apart from the hose, specifically include:
hi＝Pi/ρg＝Pi/γ
wherein i represents the number of measurements, i is a positive integer, hiRepresents the vertical distance h of the ith measurement of the red ink from the end of the hose near the bottom of the sea erosion tankiAnd (3) representing pressure data on the ith measurement pressure sensor, wherein rho is the density of the red ink, g is the gravity acceleration, and gamma is the gravity of the red ink.
Specifically, the red ink is slowly filled into the hose in a plurality of times, wherein the red ink is filled in the same amount in the plurality of times.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
(1) the invention provides a geometrical morphology measuring device for sea cliff sea erosion grooves, which comprises a hose, a U-shaped nail, a pressure sensor, a reading instrument, a data line and red ink; the parts are few, and the structure is simple.
(2) When the device for measuring the geometrical morphology of the sea cliff sea erosion groove is applied, the hose is fixed and completely attached to the surface of the sea erosion groove through the U-shaped nails, the hose, the pressure sensor, the data line and the reading instrument are sequentially connected, and red ink is poured into the hose in batches; the operation is simple and the implementation is convenient.
(3) The invention provides a method for measuring the geometric form of a sea cliff sea erosion groove, which comprises the steps of firstly obtaining pressure data corresponding to red ink with different length liquid levels, and obtaining the vertical distance between the liquid levels with different lengths and one end of a hose close to the bottom of the sea erosion groove according to a hydraulic principle; obtaining a curve which is the geometric form of the sea erosion groove according to the length data and the corresponding vertical distance data; the method only adopts simple data record and formula calculation, and has less error and reliable result.
Drawings
FIG. 1 is a schematic structural diagram of a sea cliff sea erosion groove geometric shape measuring device according to the present invention;
FIG. 2 is a schematic diagram of a process location marker implemented in accordance with an embodiment of the present invention;
fig. 3 is a graph obtained by the embodiment of the present invention.
The invention is described in further detail below with reference to the figures and specific examples.
Detailed Description
The invention is further described below by means of specific embodiments.
In an embodiment, fig. 1 is a schematic structural diagram of a sea cliff sea erosion groove geometric form measuring device according to the present invention; a geometrical morphology measuring device for a sea cliff sea erosion groove comprises a hose 1, U-shaped nails, a pressure sensor 2, a reading instrument 3, a data line 4 and red ink, wherein the hose 1 is laid along the section of the sea erosion groove, and the U-shaped nails are driven into the soil body of the sea cliff to fix the hose on the soil body of the sea erosion groove; the pressure sensor 2 is connected with one end of the hose close to the bottom of the sea erosion tank; the reading instrument 3 is connected with the pressure sensor 2 through a data line 4 and used for reading data of the pressure sensor 2 and calculating a pressure value; during measurement, red ink is added into the hose in several times.
The hose is made of PVC materials, is transparent, and is marked with scale marks along the length direction at the outer side, and the unit is mm;
the pressure sensor is a sensor capable of measuring water pressure, and the vibrating wire type pressure sensor is selected in the embodiment.
The embodiment of the invention also provides a method for measuring the geometrical morphology of the sea cliff sea erosion groove, which comprises the following steps:
when the tide is low, the hose is laid along the section of the sea erosion groove, one end of the hose is positioned at the bottom of the sea erosion groove, and the other end of the hose is positioned at the top of the sea erosion groove;
pressing the U-shaped nails on the hose, and driving the U-shaped nails into the soil body of the sea cliff, so that the hose is fixed and completely attached to the surface of the sea erosion groove;
plugging a pressure sensor into one end of the hose close to the bottom of the sea erosion tank, and connecting the pressure sensor to a reading instrument through a data line; the gap between the pressure sensor and the hose is sealed well by adopting quick-drying glass cement, so that the red ink in the hose cannot seep out from the bottom end of the hose;
slowly filling the red ink into the hose, filling the red ink into the hose for several times, wherein the filling amount can be the same or different each time, and reading the scale number on the hose and the pressure data on the pressure sensor respectively to obtain the pressure data corresponding to the red ink with different length liquid levels each time the liquid level is stable;
according to the pressure data of the different length liquid levels that obtain, according to the hydraulic pressure principle, obtain the perpendicular distance that different length liquid levels are close to the one end of sea erosion groove bottom apart from the hose, specifically include:
hi＝Pi/ρg＝Pi/γ
wherein i represents the number of measurements, i is a positive integer, hiRepresents the vertical distance h of the ith measurement of the red ink from the end of the hose near the bottom of the sea erosion tankiAnd (3) representing pressure data on the ith measurement pressure sensor, wherein rho is the density of the red ink, g is the gravity acceleration, and gamma is the gravity of the red ink.
Marking each point according to the length data and the corresponding vertical distance data, and finally connecting all marked points by using a curve, wherein the curve is the geometric form of the sea-erosion groove.
In specific implementation, when in low tide, the hose is laid along the section of the sea erosion groove, one end of the hose is positioned at the bottom of the sea erosion groove, and the other end of the hose is positioned at the top of the sea erosion groove; pressing the U-shaped nails on the hose, driving the U-shaped nails into the soil body of the sea cliff, fixing the hose on the surface of the sea erosion groove, and driving one U-shaped nail every 20-50 cm in length to enable the hose to be completely attached to the surface of the sea erosion groove; transmit pressure toThe sensor is plugged into the bottom end of the hose, and a gap between the sensor and the hose is sealed well by using quick-drying glass cement, so that red ink in the hose cannot seep out of the bottom end of the hose; connecting a data line of the pressure sensor to a reading instrument; slowly filling the red ink into the hose, wherein the length of the red ink is 10cm each time, namely the middle part of the liquid level line of the red ink reaches the corresponding scale mark of the hose; each time the liquid level is filled by 10cm, when the liquid level is stable, the pressure data on the sensor is read and marked as P1,P2,P3… representing pressure data for liquid levels at lengths of 10cm, 20cm, 30cm, … respectively; then the pressure data P1,P2,P3… divided by the weight gamma of the red ink to give the vertical distance of the red ink from the bottom end of the hose, respectively designated h1,h2,h3…; using the mapping software Auto-CAD, as shown in FIG. 2, the hose bottom position is marked as O, and then a straight line is drawn from O to the right, marked as OO1A straight line, above which a point A is drawn, wherein the point A is 10cm distant from the point O, and the point A is located at the point OO1The vertical distance of the straight line is h1(ii) a Then at OO1Drawing a point B above the straight line, wherein the distance from the point B to the point A is 10cm, and the distance from the point B to the point OO1The vertical distance of the straight line is h2(ii) a In turn, points C, D, E, … are plotted, respectively, with a distance of 10cm from the previous point to OO1The vertical distance of the straight line is h3,h4,h5…; meanwhile, the position of the maximum groove depth point of the sea erosion groove is visually observed, when each point above the maximum groove depth point is drawn, the points are positioned on the left side of the maximum groove depth point, and other drawing methods are the following drawing methods of each point; finally, connecting A, B, C, D, E and … points by a spline curve to form a line, so that the spline curve is the geometric form of the sea erosion groove, as shown in fig. 3.
In addition, when the red ink is poured into the hose in a specific implementation manner, the length of pouring in each time can be adjusted according to requirements, the required precision is high, and the length of pouring in can be shorter; if the precision requirement is not high but the measurement efficiency is required, the length of the irrigation can be properly longer, and the length of each irrigation can be the same or different.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (7)
1. The device for measuring the geometric form of the sea cliff sea erosion groove is characterized by comprising a hose, U-shaped nails, a pressure sensor, a reading instrument, data lines and red ink, wherein the hose is laid along the section of the sea erosion groove, and the U-shaped nails are driven into the soil body of the sea cliff to fix the hose on the soil body of the sea erosion groove; the pressure sensor is connected with one end of the hose close to the bottom of the sea erosion groove; the reading instrument is connected with the pressure sensor through a data line and used for reading the data of the pressure sensor and calculating a pressure value; during measurement, red ink is added into the hose in several times.
2. The sea cliff sea erosion groove geometry measuring device of claim 1, wherein the hose is made of PVC material, is transparent, and is marked with scale lines on the outside along the length direction.
3. The apparatus of claim 1, wherein the pressure sensor is a vibrating wire pressure sensor.
4. A method for measuring geometrical morphology of sea cliff sea erosion grooves is characterized by comprising the following steps:
when the tide is low, the hose is laid along the section of the sea erosion groove, one end of the hose is positioned at the bottom of the sea erosion groove, and the other end of the hose is positioned at the top of the sea erosion groove;
pressing the U-shaped nails on the hose, and driving the U-shaped nails into the soil body of the sea cliff, so that the hose is fixed and completely attached to the surface of the sea erosion groove;
plugging a pressure sensor into one end of the hose close to the bottom of the sea erosion tank, and connecting the pressure sensor to a reading instrument through a data line;
slowly filling the red ink into the hose, filling the red ink into the hose for several times, and respectively reading the scale number on the hose and the pressure data on the pressure sensor when the liquid level is stable each time to obtain the pressure data corresponding to the red ink with different lengths of liquid level;
according to the obtained pressure data of the liquid levels with different lengths and a hydraulic principle, the vertical distances between the liquid levels with different lengths and one end of the hose close to the bottom of the sea erosion groove are obtained;
marking each point according to the length data and the corresponding vertical distance data, and finally connecting all marked points by using a curve, wherein the curve is the geometric form of the sea-erosion groove.
5. The method of claim 4, wherein the inserting a pressure sensor into an end of the hose near the bottom of the sea chest further comprises:
the gap between the pressure sensor and the hose is sealed well by adopting quick-drying glass cement, so that the red ink in the hose cannot seep out from the bottom end of the hose.
6. The method for measuring the geometric form of the sea cliff sea erosion groove according to claim 4, wherein the step of obtaining the vertical distances from the liquid levels with different lengths to one end, close to the bottom of the sea erosion groove, of the hose according to the obtained pressure data of the liquid levels with different lengths and a hydraulic principle comprises the following steps:
hi＝Pi/ρg＝Pi/γ
wherein i represents the number of measurements, i is a positive integer, hiRepresents the vertical distance h of the ith measurement of the red ink from the end of the hose near the bottom of the sea erosion tankiAnd (3) representing pressure data on the ith measurement pressure sensor, wherein rho is the density of the red ink, g is the gravity acceleration, and gamma is the gravity of the red ink.
7. The method as claimed in claim 4, wherein the red ink is slowly filled into the hose in a plurality of times, wherein the red ink is filled in the same amount in the plurality of times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191092.8A CN112525115B (en) | 2020-10-30 | 2020-10-30 | Sea cliff sea erosion groove geometric form measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191092.8A CN112525115B (en) | 2020-10-30 | 2020-10-30 | Sea cliff sea erosion groove geometric form measuring device and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112525115A true CN112525115A (en) | 2021-03-19 |
| CN112525115B CN112525115B (en) | 2023-06-23 |
Family
ID=74979239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011191092.8A Active CN112525115B (en) | 2020-10-30 | 2020-10-30 | Sea cliff sea erosion groove geometric form measuring device and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112525115B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2850914A1 (en) * | 1977-12-08 | 1979-06-13 | Kawasaki Steel Co | METHOD AND DEVICE FOR MEASURING THE PROFILE OF PANELS |
| US4179919A (en) * | 1978-09-18 | 1979-12-25 | The United States Of America As Represented By The Secretary Of The Navy | Terrain contour tracking system |
| IT8149530A0 (en) * | 1980-10-23 | 1981-10-21 | Sundstrand Data Control | EQUIPMENT AND PROCEDURE FOR DETECTING DRILLING HOLES |
| SU1257410A1 (en) * | 1983-12-05 | 1986-09-15 | Московский научно-исследовательский и проектный институт жилищного хозяйства | Device for checking condition of waste-water disposal pipeline |
| JPH0361813A (en) * | 1989-06-28 | 1991-03-18 | Tokyo Metropolis | Method and apparatus for measuring gradient of buried pipe |
| DE29818246U1 (en) * | 1998-10-13 | 1998-12-24 | Winter, Dietmar, Dipl.-Ing. (FH), 58093 Hagen | Alarm signaling system for all-round security of boats and yachts |
| US6026914A (en) * | 1998-01-28 | 2000-02-22 | Alberta Oil Sands Technology And Research Authority | Wellbore profiling system |
| JP2002146744A (en) * | 2000-11-15 | 2002-05-22 | Ekomo:Kk | Construction method for measure against coastal erosion |
| JP2002310631A (en) * | 2001-04-18 | 2002-10-23 | Exedy Corp | Screw-shape inspecting method and screw-shape inspection device |
| CN101603822A (en) * | 2009-07-24 | 2009-12-16 | 兰州大学 | A kind of measurement mechanism of roughness of ground surface |
| WO2010136413A1 (en) * | 2009-05-25 | 2010-12-02 | Agisco S.R.L. | Differential level monitoring device |
| US20110203370A1 (en) * | 2010-02-19 | 2011-08-25 | Argov Shachar J | Hydrostatic sensor device & method for measuring below-ground elevation changes in grade |
| CN106052530A (en) * | 2016-07-11 | 2016-10-26 | 华侨大学 | Sea abrasion groove geometric form measurement apparatus and method |
| CN107655452A (en) * | 2017-10-19 | 2018-02-02 | 罗锦华 | Hydraulic sensing formula settlement observation system |
| CN111435982A (en) * | 2019-01-12 | 2020-07-21 | 田华 | Intelligent scene monitoring system |
-
2020
- 2020-10-30 CN CN202011191092.8A patent/CN112525115B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2850914A1 (en) * | 1977-12-08 | 1979-06-13 | Kawasaki Steel Co | METHOD AND DEVICE FOR MEASURING THE PROFILE OF PANELS |
| US4179919A (en) * | 1978-09-18 | 1979-12-25 | The United States Of America As Represented By The Secretary Of The Navy | Terrain contour tracking system |
| IT8149530A0 (en) * | 1980-10-23 | 1981-10-21 | Sundstrand Data Control | EQUIPMENT AND PROCEDURE FOR DETECTING DRILLING HOLES |
| SU1257410A1 (en) * | 1983-12-05 | 1986-09-15 | Московский научно-исследовательский и проектный институт жилищного хозяйства | Device for checking condition of waste-water disposal pipeline |
| JPH0361813A (en) * | 1989-06-28 | 1991-03-18 | Tokyo Metropolis | Method and apparatus for measuring gradient of buried pipe |
| US6026914A (en) * | 1998-01-28 | 2000-02-22 | Alberta Oil Sands Technology And Research Authority | Wellbore profiling system |
| DE29818246U1 (en) * | 1998-10-13 | 1998-12-24 | Winter, Dietmar, Dipl.-Ing. (FH), 58093 Hagen | Alarm signaling system for all-round security of boats and yachts |
| JP2002146744A (en) * | 2000-11-15 | 2002-05-22 | Ekomo:Kk | Construction method for measure against coastal erosion |
| JP2002310631A (en) * | 2001-04-18 | 2002-10-23 | Exedy Corp | Screw-shape inspecting method and screw-shape inspection device |
| WO2010136413A1 (en) * | 2009-05-25 | 2010-12-02 | Agisco S.R.L. | Differential level monitoring device |
| CN101603822A (en) * | 2009-07-24 | 2009-12-16 | 兰州大学 | A kind of measurement mechanism of roughness of ground surface |
| US20110203370A1 (en) * | 2010-02-19 | 2011-08-25 | Argov Shachar J | Hydrostatic sensor device & method for measuring below-ground elevation changes in grade |
| CN106052530A (en) * | 2016-07-11 | 2016-10-26 | 华侨大学 | Sea abrasion groove geometric form measurement apparatus and method |
| CN107655452A (en) * | 2017-10-19 | 2018-02-02 | 罗锦华 | Hydraulic sensing formula settlement observation system |
| CN111435982A (en) * | 2019-01-12 | 2020-07-21 | 田华 | Intelligent scene monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112525115B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110207653B (en) | Soil body layered settlement and horizontal displacement composite measurement device, system and method | |
| CN106088166B (en) | A kind of tubular pole inclination measurement device and its inclinometer pipe are centered about component | |
| CN205002729U (en) | Underground warp measuring device based on deviational survey and hall effect | |
| CN110865008B (en) | Hydrogeologic parameter determination method based on circular fixed head boundary unstable flow pumping under finite scale | |
| CN107543515A (en) | Double-shaft tilt angle location deep displacement monitor and its application method | |
| CN210718939U (en) | Measuring instrument for thickness of pile bottom sediment | |
| CN209877948U (en) | Soil body layered settlement and horizontal displacement composite measuring device and system | |
| CN107100213A (en) | Soil disturbance monitoring system and monitoring method of the bridge construction of pile groups to adjacent piles | |
| CN207472227U (en) | A kind of monitoring device of novel side slope surface displacement | |
| CN112525115B (en) | Sea cliff sea erosion groove geometric form measuring device and measuring method | |
| CN108303072A (en) | A kind of measuring device and measurement method in gate recess installation process | |
| CN109521183B (en) | Slope surface water and soil loss amount measuring instrument and using method thereof | |
| CN205712222U (en) | A kind of monitoring device of margin of foundation pit Vertical Settlement | |
| CN103410135B (en) | Riverbed level measurement method based on network drill rod detection | |
| CN205909781U (en) | Fan -shaped milliken conductor's multifunctional measuring fixture block | |
| CN107764235B (en) | Elevation vertical transmission measurement method for high-rise building construction | |
| CN109695261A (en) | Underwater gliders interface pressure difference monitoring device and method | |
| CN109282790A (en) | Parallel deep multiple spot static leveling system and method for pile foundation | |
| CN206019643U (en) | A kind of pipeline 3 d pose measuring instrument | |
| CN210862622U (en) | Model test soil body internal strain measuring device | |
| CN207991553U (en) | A kind of measuring device in gate recess installation process | |
| CN207295797U (en) | Driving into type steel-pipe pile soil plug depth measurement device | |
| CN221707151U (en) | Pile periphery soil body strength measuring device of implanted pile | |
| CN217465601U (en) | Improved erosion gully measuring device | |
| CN216558770U (en) | Beach surface silt flushing measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |