CN111649864B - Method for measuring surface wave pressure of scourable bank slope - Google Patents
Method for measuring surface wave pressure of scourable bank slope Download PDFInfo
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- CN111649864B CN111649864B CN202010562505.2A CN202010562505A CN111649864B CN 111649864 B CN111649864 B CN 111649864B CN 202010562505 A CN202010562505 A CN 202010562505A CN 111649864 B CN111649864 B CN 111649864B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The invention discloses a method for measuring surface wave pressure of a flushable bank slope, and relates to the technical field of hydraulic engineering. The method for measuring the pressure of the surface wave on the scourable bank slope comprises the following steps: embedding a plurality of panel main bodies on the washable bank slope at intervals along the water line so that the panel main bodies are flush with the washable bank slope, and arranging a plurality of pressure detection pieces arranged on the panel main bodies from the upper part of the water line to the lower part of the water line; acquiring detection data of a plurality of pressure detection pieces corresponding to the panel main bodies through a data acquisition instrument; and averaging a plurality of detection data corresponding to a plurality of pressure detection pieces on the same horizontal line on a plurality of panel main bodies to obtain the bank slope wave pressure of the washable bank slope on the horizontal line. The method for measuring the surface wave pressure of the flushable bank slope avoids the interference of the measuring process on the scouring form of the flushable bank slope, and the corresponding relation between the measuring result of the pressure of the bank slope wave and the scouring form of the bank slope is more accurate and reliable.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a method for measuring surface wave pressure of a flushable bank slope.
Background
The most direct effect of the scouring form is the surface wave pressure of the scourable bank slope, and the scouring form and the surface wave pressure causing the scouring form need to be combined.
Because the scouring form and the corresponding force have an absolute corresponding relationship, the bank slope scouring form can be interfered by the currently adopted detection mode of directly arranging the pressure sensor on the surface of the scourable bank slope, and the corresponding relationship between the bank slope wave pressure and the bank slope scouring form is further destroyed.
Disclosure of Invention
The invention aims to provide a method for measuring the pressure of a surface wave on a scourable bank slope, which can measure the pressure of the surface wave on the bank slope and simultaneously does not interfere with the scouring form of the scourable bank slope.
The invention provides a technical scheme that:
the utility model provides a bank slope surface wave pressure measuring method can erode, is applied to surface wave pressure measuring device, surface wave pressure measuring device includes data acquisition instrument, a plurality of panel main parts and a plurality of pressure detection spare, each be provided with a plurality ofly respectively in the panel main part pressure detection spare, a plurality ofly pressure detection spare is followed on corresponding panel main part the extending direction of panel main part is arranged at interval in proper order, and a plurality ofly pressure detection spare is with the surface parallel and level of corresponding panel main part, and a plurality ofly pressure detection spare is connected with the data acquisition instrument electricity respectively, can erode bank slope surface wave pressure measuring method includes:
embedding a plurality of panel main bodies on a washable bank slope along a water line at intervals so as to enable the panel main bodies to be flush with the washable bank slope, wherein a plurality of pressure detection pieces arranged on the panel main bodies are arranged above the water line and extend to the lower part of the water line;
acquiring detection data of a plurality of pressure detection pieces corresponding to the panel main bodies through the data acquisition instrument;
and averaging a plurality of detection data corresponding to a plurality of pressure detection pieces on the same horizontal line on a plurality of panel main bodies to obtain the bank slope wave pressure of the washable bank slope on the horizontal line.
Further, the panel main bodies are embedded on the washable bank slope along the water line at intervals, so that the panel main bodies are flush with the washable bank slope, and the pressure detection pieces arranged on the panel main bodies are distributed and extend to the lower side of the water line from the upper side of the water line, and the steps comprise:
arranging a plurality of mounting grooves on the washable bank slope at intervals along the water line, wherein one end of each mounting groove extends to be below the water line, and the other end of each mounting groove extends to be above the water line;
it is a plurality of to inlay the panel main part and establish into it is a plurality of in the mounting groove to make the panel main part with can wash bank slope parallel and level.
Further, the groove depth of the mounting groove is 1 cm.
Further, after the step of forming a plurality of mounting grooves on the washable bank slope along the water side line at intervals, the method further comprises the following steps of:
narrow and deep grooves are formed in the groove bottoms of the mounting grooves along the extending direction of the mounting grooves;
and paving a plurality of pressure detection pieces arranged on the panel main body corresponding to the mounting grooves in the narrow and deep grooves, wherein the pressure detection pieces are respectively connected with a transmission line of the data acquisition instrument.
Further, the length of the narrow deep groove is equal to that of the mounting groove.
Furthermore, the groove width of the narrow and deep groove is 5cm, and the groove depth is 6 cm.
Furthermore, a plurality of mounting holes are formed in the same side of the panel body at intervals in sequence along the extending direction, and the pressure detection pieces are embedded in the mounting holes respectively.
Further, the pressure detection member is a pressure sensor.
Compared with the prior art, the method for measuring the surface wave pressure of the washable bank slope, provided by the invention, has the advantages that the panel main bodies are embedded on the washable bank slope at intervals along the water side line, so that the panel main bodies are flush with the washable bank slope, and the pressure detection pieces arranged on the panel main bodies are arranged from the upper part of the water side line and extend to the lower part of the water side line. And then the data acquisition instrument acquires the detection data of a plurality of pressure detection pieces corresponding to the panel main bodies. And finally, averaging a plurality of detection data corresponding to a plurality of pressure detection pieces on the same horizontal line on a plurality of panel main bodies to obtain the bank slope wave pressure of the washable bank slope on the horizontal line. In practical application, the panel main part is flush with the bank slope surface, the interference to the surge water flow on the bank slope is avoided, thereby the interference caused by the surge water flow to the scouring form which can scour the bank slope and the wave pressure to the bank slope is avoided, the pressure detection piece is flush with the panel main part surface, the interference to the surge water flow caused by the depression or the protrusion of the pressure detection piece is avoided, the interference to the bank slope wave pressure detected by the surge water flow to the pressure detection piece is avoided, and the interference to the bank slope wave pressure of the nearby pressure detection piece by the surge water flow is avoided. And moreover, the bank slope wave pressure obtained by averaging a plurality of detection data on the same horizontal line is more accurate and reliable. Therefore, the method for measuring the surface wave pressure of the flushable bank slope, provided by the invention, has the beneficial effects that: the interference of the measuring process to the scouring form capable of scouring the bank slope is avoided, and the corresponding relation between the bank slope wave pressure measuring result and the bank slope scouring form is more accurate and reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
FIG. 1 is a schematic structural diagram of a surface wave pressure measuring device provided by an embodiment of the invention, which is practically applied to a washable bank slope;
fig. 2 is a block flow diagram of a method for measuring surface wave pressure of a flushable bank slope according to the present embodiment;
FIG. 3 is a schematic block diagram illustrating a flow of sub-steps of step S101 in FIG. 2;
fig. 4 is a schematic structural view of the mounting groove and the narrow and deep groove.
Icon: 110-a panel body; 130-a pressure sensing member; 200-bank slope can be washed; 210-a mounting groove; 230-narrow deep groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and the connection may be internal to the two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The following describes in detail embodiments of the present invention with reference to the drawings.
Examples
The present embodiment provides a method for measuring surface wave pressure on a washable bank slope, which is applied to a surface wave pressure measuring device, fig. 1 shows a schematic structural diagram of the surface wave pressure measuring device actually applied to a washable bank slope 200, please refer to fig. 1, the surface wave pressure measuring device includes a data acquisition instrument, a plurality of panel main bodies 110 and a plurality of pressure detection pieces 130, each panel main body 110 is respectively provided with a plurality of pressure detection pieces 130, the plurality of pressure detection pieces 130 are sequentially arranged at intervals on the corresponding panel main body 110 along the extending direction of the panel main body 110, and the plurality of pressure detection pieces 130 are respectively electrically connected to the data acquisition instrument.
In this embodiment, a plurality of mounting holes are sequentially formed on the same side of the panel body 110 at intervals along the extending direction thereof, and the plurality of pressure detecting members 130 are respectively embedded in the plurality of mounting holes. The detection end of the pressure detection piece 130 is flush with the surface of the panel main body 110, and the terminal connection wire of the pressure detection piece 130 penetrates out of the back surface of the panel main body 110.
Fig. 2 is a block flow diagram of a method for measuring a surface wave pressure of a flushable bank slope according to the present embodiment, and fig. 2 shows that the method for measuring a surface wave pressure of a flushable bank slope includes:
step S101, the plurality of panel main bodies 110 are embedded on the washable bank slope 200 at intervals along the water line, so that the panel main bodies 110 are flush with the washable bank slope 200, and the plurality of pressure detection members 130 arranged on the panel main bodies 110 are arranged above the water line and extend to below the water line.
The panel main body 110 is embedded on the washable bank slope 200, so that the panel main body 110 is flush with the washable bank slope 200, and the washing form of the washable bank slope 200 is ensured not to be changed by interference in the actual measurement process. The panel bodies 110 are arranged at intervals, so that the pressure detection pieces 130 arranged on the panel bodies 110 can acquire pressure data at a plurality of positions on the same horizontal line, and the reliability of the measurement result is improved.
Fig. 3 is a schematic block diagram illustrating a flow of sub-steps of step S101, and referring to fig. 3 and fig. 4, step S101 may include:
in the sub-step S1011, a plurality of mounting grooves 210 are formed on the washable bank slope 200 at intervals along the water line.
One end of the mounting groove 210 extends to below the water line, and the other end extends to above the water line. In this embodiment, the depth of the mounting groove 210 is equal to the thickness of the panel body 110, and is 1 cm.
In the sub-step S1012, a narrow and deep groove 230 is formed in the groove bottom of each mounting groove 210 along the extending direction of the mounting groove 210.
In this embodiment, the extending direction of the narrow and deep groove 230 is the same as the extending direction of the mounting groove 210, the length of the narrow and deep groove 230 is equal to that of the mounting groove 210, the width of the narrow and deep groove 230 is 5cm, and the depth of the groove is 6 cm. In other embodiments, the size of the deep and narrow groove 230 may be adjusted adaptively according to actual application conditions.
In the sub-step S1013, the transmission lines of the plurality of pressure detection members 130, which are provided on the panel main body 110 corresponding to the installation groove 210 and are connected to the data acquisition instrument, are laid in the narrow and deep groove 230.
The transmission line connecting the pressure detection piece 130 with the data acquisition instrument is laid in the narrow deep groove 230 and led out through the narrow deep groove 230 to be connected with the data acquisition instrument. The purpose is to prevent the transmission line from influencing the impact of the surge on the washable bank slope 200, thereby influencing the washing form of the washable bank slope 200.
In the substep S1014, the plurality of panel main bodies 110 are embedded into the plurality of mounting grooves 210, so that the panel main bodies 110 are flush with the washable bank slope 200, thereby avoiding interference of the panel main bodies with the surge water flow on the bank slope, and thus avoiding interference of the surge water flow with the washing form of the washable bank slope and the wave pressure against the bank slope.
In this embodiment, the depth of the mounting groove 210 is the same as the thickness of the panel main body 110, and the panel main body 110 is embedded in the mounting groove 210, so as to ensure that the panel main body 110 is flush with the surface of the bank slope 200, thereby preventing the washout mode of the bank slope 200 from being damaged due to the protrusion or depression of the panel main body 110.
In addition, it is ensured that the panel main body 110 is inserted into the mounting groove 210, so that the pressure detecting member 130 can correspond to the surge impact at the front.
With continued reference to fig. 1, the method for determining a surface wave pressure on a swashable bank slope further includes:
step S102, acquiring, by the data acquisition instrument, detection data of the plurality of pressure detection members 130 respectively corresponding to the plurality of panel main bodies 110.
In this embodiment, the pressure detecting members 130 are pressure sensors, and the data collecting instrument processes the electrical signals transmitted by the pressure sensors into data, so that an operator can directly obtain the detection data of each pressure detecting member 130.
Further, the method for measuring the pressure of the surface wave on the scourable bank slope further comprises the following steps:
in step S103, a plurality of detection data corresponding to the plurality of pressure detection devices 130 on the plurality of panel main bodies 110, which are located on the same horizontal line, are averaged to obtain a bank slope wave pressure at which the bank slope 200 can be flushed.
The plurality of detection data obtained by correspondingly measuring the plurality of pressure detection pieces 130 on the same horizontal line are averaged, so that the accuracy of the measurement result is greatly improved.
In practical applications, the mounting groove 210 is formed in the surface of the washable bank slope 200, and the panel main body 110 provided with the plurality of pressure detection members 130 is embedded in the mounting groove 210, so that the influence on the scouring form of the washable bank slope 200 in the determination process is avoided, and the reliability of the determination result is improved.
Therefore, the method for measuring the surface wave pressure of the washable bank slope provided by the embodiment avoids the interference of the measuring process on the washing form of the washable bank slope 200, and the corresponding relation between the bank slope wave pressure measuring result and the bank slope washing form is more accurate and reliable.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The method for measuring the pressure of the surface wave on the scourable bank slope is characterized by being applied to a surface wave pressure measuring device, the surface wave pressure measuring device comprises a data acquisition instrument, a plurality of panel main bodies and a plurality of pressure detection pieces, the panel main bodies are respectively provided with a plurality of pressure detection pieces, the pressure detection pieces are sequentially arranged on corresponding panel main bodies at intervals along the extending direction of the panel main bodies, the pressure detection pieces are flush with the surfaces of the corresponding panel main bodies, the pressure detection pieces are respectively electrically connected with the data acquisition instrument, and the method for measuring the pressure of the scourable bank slope surface wave comprises the following steps:
embedding a plurality of panel main bodies on a washable bank slope along a water line at intervals so as to enable the panel main bodies to be flush with the washable bank slope, wherein a plurality of pressure detection pieces arranged on the panel main bodies are arranged above the water line and extend to the lower part of the water line;
acquiring detection data of a plurality of pressure detection pieces corresponding to the panel main bodies through the data acquisition instrument;
averaging a plurality of detection data corresponding to a plurality of pressure detection pieces on a same horizontal line on a plurality of panel main bodies to obtain the bank slope wave pressure of the washable bank slope on the horizontal line;
the panel main bodies are embedded on the washable bank slope along the water line at intervals so as to be flush with the washable bank slope, and the pressure detection pieces arranged on the panel main bodies are distributed and extended to the lower part of the water line from the upper part of the water line and comprise the following steps:
arranging a plurality of mounting grooves on the washable bank slope at intervals along the water line, wherein one end of each mounting groove extends to be below the water line, and the other end of each mounting groove extends to be above the water line;
embedding a plurality of panel main bodies into the mounting grooves so that the panel main bodies are flush with the washable bank slope;
after the step of offering a plurality of mounting grooves along the water sideline interval on can rinsing the bank slope, still include:
narrow and deep grooves are formed in the groove bottoms of the mounting grooves along the extending direction of the mounting grooves;
laying a plurality of pressure detection pieces arranged on the panel main body corresponding to the mounting groove in the narrow and deep groove, wherein the pressure detection pieces are respectively connected with a transmission line of the data acquisition instrument;
wherein, the groove depth of the mounting groove is the same as the thickness of the panel main body.
2. The method for measuring surface wave pressure on a flushable bank slope according to claim 1, wherein the depth of the installation groove is 1 cm.
3. The method of determining surface wave pressure on a flushable bank slope according to claim 1, wherein the narrow deep groove and the installation groove are equal in length.
4. The method for measuring surface wave pressure on a flushable bank slope according to claim 3, wherein the narrow-deep groove has a groove width of 5cm and a groove depth of 6 cm.
5. The method for measuring surface wave pressure on a flushable bank slope according to claim 1, wherein a plurality of mounting holes are sequentially formed on the same side of the panel body at intervals along the extending direction, and the plurality of pressure detecting elements are respectively embedded in the plurality of mounting holes.
6. The flushable bank slope surface wave pressure measurement method of claim 1, wherein the pressure detection member is a pressure sensor.
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