CN116739534A - Navigation channel construction management method and system based on BIM and Beidou high-precision positioning technology - Google Patents

Navigation channel construction management method and system based on BIM and Beidou high-precision positioning technology Download PDF

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Publication number
CN116739534A
CN116739534A CN202311019279.3A CN202311019279A CN116739534A CN 116739534 A CN116739534 A CN 116739534A CN 202311019279 A CN202311019279 A CN 202311019279A CN 116739534 A CN116739534 A CN 116739534A
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CN
China
Prior art keywords
dredged
channel
dredging
region
area
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Pending
Application number
CN202311019279.3A
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Chinese (zh)
Inventor
莫日雄
黎远征
王瑞
葛亚飞
王家城
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CCCC Guangzhou Dredging Co Ltd.
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CCCC Guangzhou Dredging Co Ltd.
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Priority to CN202311019279.3A priority Critical patent/CN116739534A/en
Publication of CN116739534A publication Critical patent/CN116739534A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • G06Q10/103—Workflow collaboration or project management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • G06T17/05—Geographic models
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/60—Analysis of geometric attributes
    • G06T7/66—Analysis of geometric attributes of image moments or centre of gravity

Abstract

The application relates to a channel construction management method and system based on BIM and Beidou high-precision positioning technology, wherein the method comprises the following steps: acquiring geographic coordinates of a channel to be dredged based on a Beidou system; drawing a model of the channel by using a BIM tool according to the geographic coordinates of the channel and the survey depth of the channel; a plurality of sections are cut from a model of the channel, and a central line of a region to be dredged of the channel is synthesized according to the lowest point of the sections; acquiring the width of a region to be dredged; selecting a region to be dredged in a model of a channel; acquiring the depth of a region to be dredged; calculating the earth volume of the area to be dredged; selecting a dredging vessel for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selecting a sludge storage pit for storing dredged material generated in the region to be dredged; setting the number of dredging ships and the number of cutter suction ships; the dredging vessel and the cutter suction vessel are arranged to perform dredging operations on the area to be dredged. The application can effectively improve the efficiency of channel dredging work.

Description

Navigation channel construction management method and system based on BIM and Beidou high-precision positioning technology
Technical Field
The application relates to the technical field of channel management, in particular to a channel construction management method and system based on BIM and Beidou high-precision positioning technology.
Background
The inland waterway dredging project in the current dredging market is difficult to scientifically and accurately determine the construction area of the waterway dredging and reasonably and effectively arrange the operation ships due to complex terrain and geological environment of the waterway, so that the conditions of resource waste and low efficiency are formed. Therefore, a new technical scheme is needed, which can accurately determine the topography of the channel and reasonably distribute the operation ships, thereby improving the efficiency of the channel dredging management work.
Disclosure of Invention
In order to solve the technical problems, the application provides the channel construction management method and system based on the BIM and Beidou high-precision positioning technology, which can accurately determine the topography of the channel, reasonably allocate the operation ships and improve the efficiency of channel dredging management work.
In a first aspect, the application provides a channel construction management method based on BIM and Beidou high-precision positioning technology, which comprises the following steps: acquiring geographic coordinates of a channel to be dredged based on a Beidou system; drawing a model of the channel by using a BIM tool according to the geographical coordinates of the channel and the survey depth of the channel; a plurality of sections are cut from the model of the channel according to preset intervals, and the center line of the area to be dredged of the channel is synthesized according to the lowest point of the sections; acquiring the width of the area to be dredged; selecting the region to be dredged from the model of the channel according to the midline and the width of the region to be dredged; acquiring the depth of the area to be dredged; according to the depth of the region to be dredged, calculating the earthwork quantity of the region to be dredged; selecting a dredging vessel for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selecting a sludge storage pit for storing dredged materials generated in the region to be dredged; setting the number of dredging vessels and the number of cutter-suction vessels according to the earth volume of the area to be dredged, the loading capacity of the dredging vessels, the maximum storage capacity of the mud storage pit, the loading capacity of the cutter-suction vessels for blowing the dredged material of the mud storage pit to a preset mud-receiving area, the position of the area to be dredged, the position of the mud storage pit, the position of the mud-receiving area, the moving speed of the dredging vessels, the moving speed of the cutter-suction vessels; and arranging the dredging ships and the cutter suction ships to perform dredging operation on the to-be-dredged area according to the number of the dredging ships and the number of the cutter suction ships.
Optionally, the step of acquiring the width of the area to be dredged includes: taking the width of the area to be dredgedWherein->Control width of a passing ship in said channel,/->Is a safe distance between the passing vessel and the edge of the channel.
Optionally, the step of acquiring the depth of the area to be dredged according to the channel construction management method based on the BIM and the Beidou high-precision positioning technology includes: taking the depth of the region to be dredgedWhereinFor the draft of the passing ship, < > for>For the sitting depth of the passing ship, < > is>For the bottoming safety distance of the passing ship, < > for>Is the deviation amount.
Optionally, the step of calculating the earthwork of the region to be dredged according to the depth of the region to be dredged according to the channel construction management method based on the BIM and the Beidou high-precision positioning technology includes: taking the earth volume of the area to be dredged:wherein (1)>Taking n measuring points on the area to be dredged and determining its geographical coordinates (x, y) for the design water level of the channel,/->For the elevation value of the ith measuring point relative to sea level, < >>The third curve for the i-th measurement point rotates the curved surface.
Optionally, the step of selecting a dredging vessel for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged according to the channel construction management method based on the BIM and the Beidou high-precision positioning technology includes: selecting a trailing suction hopper as the dredging vessel when the sand content in the soil of the area to be dredged exceeds a first threshold value; and selecting a grab ship as the dredging ship when the soil mass of the area to be dredged exceeds a second threshold value.
Optionally, before the step of drawing the model of the channel by using a BIM tool according to the geographical coordinates of the channel and the survey depth of the channel, the aforementioned channel construction management method based on the BIM and the beidou high-precision positioning technology further includes:
selecting a plurality of survey points on the channel according to the geographic coordinates of the channel, measuring the survey depth of the channel at the plurality of survey points through a multi-beam measurement system, and covering the channel by the sum of the measurement ranges of the multi-beam measurement system at the plurality of survey points.
In a second aspect, the present application provides a channel construction management system based on a BIM and beidou high-precision positioning technology, including: the channel positioning module is used for acquiring geographic coordinates of a channel to be dredged based on the Beidou system; the model drawing module is used for drawing a model of the channel by using a BIM tool according to the geographic coordinates of the channel and the survey depth of the channel; the center line calculation module is used for cutting a plurality of sections from the model of the channel according to preset intervals, and synthesizing the center line of the region to be dredged of the channel according to the lowest point of the sections; the width calculation module is used for obtaining the width of the region to be dredged; the region setting module is used for selecting the region to be dredged from the model of the channel according to the midline and the width of the region to be dredged; the depth calculation module is used for obtaining the depth of the region to be dredged; the earthwork calculation module calculates the earthwork of the region to be dredged according to the depth of the region to be dredged; a ship selection module for selecting a dredging ship for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selecting a sludge storage pit for storing dredged materials generated in the region to be dredged; a ship deployment module for setting the number of dredging ships and the number of cutter-suction ships according to the earth volume of the area to be dredged, the loading capacity of the dredging ships, the maximum storage capacity of the mud storage pit, the loading capacity of the cutter-suction ship for blowing the dredged material of the mud storage pit to a preset mud receiving area, the position of the area to be dredged, the position of the mud storage pit, the position of the mud receiving area, the moving speed of the dredging ships and the moving speed of the cutter-suction ship; and the operation implementation module is used for arranging the dredging ships and the cutter suction ships to carry out dredging operation on the to-be-dredged area according to the number of the dredging ships and the number of the cutter suction ships.
The technical scheme provided by the application has at least one or more of the following beneficial effects:
according to the technical scheme, firstly, the geographical position of a channel to be dredged is accurately acquired by using a Beidou system, a model of the channel is accurately drawn in a BIM (building information model) system by combining the survey depth of the channel, the center line and the width of the region to be dredged are determined based on the model of the channel, so that the region to be dredged is clear, the earth volume of the region to be dredged is further calculated by combining the depth of the region to be dredged, the type of a ship suitable for operation and a mud storage pit suitable for storing dredged objects are selected according to the earth quality, the number of dredging ships participating in the dredging operation and the number of cutter-absorber ships participating in the cooperation operation are reasonably determined, and the dredging ships and cutter-absorber ships are scheduled to participate in the actual operation, so that the efficiency of the channel dredging operation can be effectively improved.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing embodiments of the present application in more detail with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, and not constitute a limitation to the application. In the drawings, like reference numerals generally refer to like parts or steps.
FIG. 1 is a flow chart of a channel construction management method based on BIM and Beidou high-precision positioning technology according to an embodiment of the application;
FIG. 2 is a partial flow chart of a channel construction management method based on BIM and Beidou high-precision positioning technology according to an embodiment of the application;
fig. 3 is a block diagram of a channel construction management system based on a BIM and beidou high-precision positioning technology according to an embodiment of the present application.
Detailed Description
Some embodiments of the application are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present application, and are not intended to limit the scope of the present application.
As shown in fig. 1, in one embodiment of the present application, a channel construction management method based on BIM and beidou high-precision positioning technology is provided, including:
step S110, obtaining geographic coordinates of a channel to be dredged based on the Beidou system.
In this embodiment, the Beidou system is used to accurately locate the geographical position of the channel.
And step S120, drawing a model of the channel by using a BIM tool according to the geographical coordinates of the channel and the survey depth of the channel.
In this embodiment, the model of the channel is accurately drawn in the BIM tool in combination with the geographical coordinates and depth of investigation of the channel.
And S130, cutting a plurality of sections from the model of the channel according to preset intervals, and synthesizing the central line of the area to be dredged of the channel according to the lowest point of the sections.
In this embodiment, the dredging operation is usually performed along the deepest part of the channel, so that the center line of the area to be dredged is synthesized by using the lowest points of the sections in the channel model, and the center line is used as a basis for determining the area to be dredged.
Step S140, acquiring the width of the area to be dredged.
Step S150, selecting the area to be dredged in the model of the channel according to the center line and the width of the area to be dredged.
In this embodiment, after the center line and width of the channel are clear, the area to be dredged can be selected from the channel model.
Step S160, obtaining the depth of the area to be dredged.
Step S170, calculating the earth volume of the region to be dredged according to the depth of the region to be dredged.
In this embodiment, when the amount of earth in the area to be dredged is clear, the amount of channel dredging work corresponds to the clear.
Step S180, selecting a dredging vessel for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selecting a sludge pit for storing the dredged material generated in the region to be dredged.
In this embodiment, different types of dredging vessels are selected for the dredging operation, depending on the nature of the soil in the area to be dredged, and a storage pit is selected which is dedicated for storing the soil dredged.
Step S190, setting the number of dredging vessels and the number of cutter-suction vessels according to the earth volume of the area to be dredged, the loading capacity of the dredging vessels, the maximum storage capacity of the sludge storage pit, the loading capacity of the cutter-suction vessels for blowing the dredged material of the sludge storage pit to a preset sludge receiving area, the position of the area to be dredged, the position of the sludge storage pit, the position of the sludge receiving area, the moving speed of the dredging vessels and the moving speed of the cutter-suction vessels.
In this embodiment, the workload and the working capacity of the channel dredging work are determined according to the above data, so that the number of dredging vessels and the number of cutter suction vessels can be reasonably set, and resource waste is avoided under the condition of ensuring that the dredging work is completed.
Step S1100, arranging the dredging ships and the cutter suction ships to carry out dredging operation on the area to be dredged according to the number of the dredging ships and the number of the cutter suction ships.
According to the technical scheme of the embodiment, firstly, the Beidou system is utilized to accurately acquire the geographical position of the channel to be dredged, the model of the channel is accurately drawn in a BIM (building information model) system by combining the survey depth of the channel, the center line and the width of the area to be dredged are determined based on the model of the channel, so that the area to be dredged is clear, the earth volume of the area to be dredged is further calculated by combining the depth of the area to be dredged, the type of a ship suitable for operation and a mud storage pit suitable for storing dredged objects are selected according to the earth quality, the number of dredging ships participating in the dredging operation and the number of cutter-absorber ships participating in the cooperation operation are reasonably determined, and the dredging ships and the cutter-absorber ships are scheduled to participate in the actual operation, so that the efficiency of the dredging operation of the channel can be effectively improved.
In another embodiment of the present application, a channel construction management method based on a BIM and beidou high-precision positioning technology is provided, and compared with the previous embodiment, step S140 includes:
taking the width of the area to be dredgedWherein->For the maneuvering width of the passing vessel in the channel,is a safe distance between the passing ship and the edge of the channel.
In this embodiment, the width of the area to be dredged is scientifically determined in consideration of the normal navigation of the passing ship in the channel.
In another embodiment of the present application, a channel construction management method based on a BIM and beidou high-precision positioning technology is provided, and compared with the previous embodiment, step S160 includes:
depth of the area to be dredgedWherein->For the draft of a passing ship +.>For the sitting depth of the passing ship +.>For the bottoming safety distance of the passing ship, +.>Is the deviation amount.
In the embodiment, the depth of the area to be dredged is scientifically determined in consideration of the condition that the passing ship normally sails in the channel.
In another embodiment of the present application, a channel construction management method based on a BIM and beidou high-precision positioning technology is provided, and compared with the previous embodiment, the channel construction management method based on the BIM and beidou high-precision positioning technology in this embodiment, step S170 includes:
taking the earth volume of a region to be dredged of a channel:wherein, the liquid crystal display device comprises a liquid crystal display device,for the design water level of the channel, n measuring points are taken on the area to be dredged and their geographical coordinates (x, y) are determined,>for the elevation value of the ith measuring point relative to sea level, < >>The third curve for the i-th measurement point rotates the curved surface.
In this embodiment, according to the experimental data, the earthwork of the area to be dredged can be accurately calculated through the above formula.
As shown in fig. 2, in another embodiment of the present application, a channel construction management method based on a BIM and beidou high-precision positioning technology is provided, and compared with the previous embodiment, step S180 includes:
step S210, selecting the drag suction ship as the dredging ship when the sand content in the soil of the to-be-dredged area exceeds a first threshold value.
Step S220, selecting the grab ship as the dredging ship when the soil mass of the area to be dredged exceeds a second threshold value.
In this embodiment, the difference of the soil properties of the dredged objects in each channel section is large, the characteristics of different construction vessels are analyzed, a proper construction vessel is selected for dredging operation in each channel section with large difference of the soil properties, a drag suction vessel is selected for dredging in a channel section with large sand content, and a grab vessel is selected for dredging in a channel section with large sand content.
In another embodiment of the present application, a channel construction management method based on a BIM and beidou high-precision positioning technology is provided, and compared with the previous embodiment, the channel construction management method based on a BIM and beidou high-precision positioning technology in this embodiment further includes, before step S120:
a plurality of survey points are selected on the channel according to geographic coordinates of the channel, a survey depth of the channel is measured at the plurality of survey points by a multi-beam measurement system, and a sum of measurement ranges of the multi-beam measurement system at the plurality of survey points covers the channel.
In this embodiment, the multi-beam measurement system is used to measure the depth of investigation of the channel and the survey points are set based on the geographical coordinates of the channel so that the survey work covers the entire channel.
As shown in fig. 3, in one embodiment of the present application, a channel construction management system based on BIM and beidou high-precision positioning technology is provided, including:
the channel positioning module 310 obtains geographic coordinates of a channel to be dredged based on the Beidou system.
In this embodiment, the Beidou system is used to accurately locate the geographical position of the channel.
The model drawing module 320 draws a model of the channel using a BIM tool according to the geographical coordinates of the channel and the survey depth of the channel.
In this embodiment, the model of the channel is accurately drawn in the BIM tool in combination with the geographical coordinates and depth of investigation of the channel.
The midline calculating module 330 is used for cutting a plurality of sections from the model of the channel according to preset intervals, and synthesizing the midline of the area to be dredged of the channel according to the lowest point of the sections.
In this embodiment, the dredging operation is usually performed along the deepest part of the channel, so that the center line of the area to be dredged is synthesized by using the lowest points of the sections in the channel model, and the center line is used as a basis for determining the area to be dredged.
The width calculation module 340 obtains the width of the area to be dredged.
The zone setting module 350 selects the zone to be dredged in the model of the channel according to the midline and the width of the zone to be dredged.
In this embodiment, after the center line and width of the channel are clear, the area to be dredged can be selected from the channel model.
The depth calculation module 360 obtains the depth of the area to be dredged.
The earthwork calculating module 370 calculates an earthwork amount of the region to be dredged according to the depth of the region to be dredged.
In this embodiment, when the amount of earth in the area to be dredged is clear, the amount of channel dredging work corresponds to the clear.
The ship selection module 380 selects a dredging ship for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selects a sludge pit for storing the dredged material generated from the region to be dredged.
In this embodiment, different types of dredging vessels are selected for the dredging operation, depending on the nature of the soil in the area to be dredged, and a storage pit is selected which is dedicated for storing the soil dredged.
The ship deployment module 390 sets the number of dredging vessels and the number of cutter-suction vessels according to the amount of earth in the area to be dredged, the loading capacity of the dredging vessels, the maximum storage capacity of the storage pit, the loading capacity of the cutter-suction vessels for blowing the dredged material of the storage pit to a preset receiving area, the position of the area to be dredged, the position of the storage pit, the position of the receiving area, the moving speed of the dredging vessels, the moving speed of the cutter-suction vessels.
In this embodiment, the workload and the working capacity of the channel dredging work are determined according to the above data, so that the number of dredging vessels and the number of cutter suction vessels can be reasonably set, and resource waste is avoided under the condition of ensuring that the dredging work is completed.
The operation execution module 3100 arranges the dredging vessels and the cutter suction vessels to perform the dredging operation of the region to be dredged according to the number of the dredging vessels and the number of the cutter suction vessels.
According to the technical scheme of the embodiment, firstly, the Beidou system is utilized to accurately acquire the geographical position of the channel to be dredged, the model of the channel is accurately drawn in a BIM (building information model) system by combining the survey depth of the channel, the center line and the width of the area to be dredged are determined based on the model of the channel, so that the area to be dredged is clear, the earth volume of the area to be dredged is further calculated by combining the depth of the area to be dredged, the type of a ship suitable for operation and a mud storage pit suitable for storing dredged objects are selected according to the earth quality, the number of dredging ships participating in the dredging operation and the number of cutter-absorber ships participating in the cooperation operation are reasonably determined, and the dredging ships and the cutter-absorber ships are scheduled to participate in the actual operation, so that the efficiency of the dredging operation of the channel can be effectively improved.
The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be considered as essential to the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not necessarily limited to practice with the above described specific details.
The block diagrams of the devices, apparatuses, devices, systems referred to in the present application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.

Claims (7)

1. A channel construction management method based on BIM and Beidou high-precision positioning technology is characterized by comprising the following steps:
acquiring geographic coordinates of a channel to be dredged based on a Beidou system;
drawing a model of the channel by using a BIM tool according to the geographical coordinates of the channel and the survey depth of the channel;
a plurality of sections are cut from the model of the channel according to preset intervals, and the center line of the area to be dredged of the channel is synthesized according to the lowest point of the sections;
acquiring the width of the area to be dredged;
selecting the region to be dredged from the model of the channel according to the midline and the width of the region to be dredged;
acquiring the depth of the area to be dredged;
according to the depth of the region to be dredged, calculating the earthwork quantity of the region to be dredged;
selecting a dredging vessel for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selecting a sludge storage pit for storing dredged materials generated in the region to be dredged;
setting the number of dredging vessels and the number of cutter-suction vessels according to the earth volume of the area to be dredged, the loading capacity of the dredging vessels, the maximum storage capacity of the mud storage pit, the loading capacity of the cutter-suction vessels for blowing the dredged material of the mud storage pit to a preset mud-receiving area, the position of the area to be dredged, the position of the mud storage pit, the position of the mud-receiving area, the moving speed of the dredging vessels, the moving speed of the cutter-suction vessels;
and arranging the dredging ships and the cutter suction ships to perform dredging operation on the to-be-dredged area according to the number of the dredging ships and the number of the cutter suction ships.
2. The channel construction management method based on the BIM and beidou high-precision positioning technology according to claim 1, wherein the step of obtaining the width of the area to be dredged includes:
taking the width of the area to be dredgedWherein->For the control width of a passing ship in said channel,/->Is a safe distance between the passing vessel and the edge of the channel.
3. The channel construction management method based on the BIM and beidou high-precision positioning technology according to claim 2, wherein the step of obtaining the depth of the area to be dredged includes:
taking the depth of the region to be dredgedWherein->For the draft of the passing ship, < > for>For the sitting depth of the passing ship, < > is>For the bottoming safety distance of the passing ship, < > for>Is the deviation amount.
4. A channel construction management method based on BIM and beidou high-precision positioning technology according to claim 3, wherein the step of calculating the earth volume of the area to be dredged according to the depth of the area to be dredged includes:
taking the earth volume of the area to be dredged:wherein (1)>Taking n measuring points on the area to be dredged and determining its geographical coordinates (x, y) for the design water level of the channel,/->For the elevation value of the ith measuring point relative to sea level, < >>The third curve for the i-th measurement point rotates the curved surface.
5. Channel construction management method based on BIM and beidou high precision positioning technology according to claim 1, characterized in that the step of selecting a dredging vessel for performing a dredging operation on the area to be dredged according to the soil quality of the area to be dredged comprises:
selecting a trailing suction hopper as the dredging vessel when the sand content in the soil of the area to be dredged exceeds a first threshold value;
and selecting a grab ship as the dredging ship when the soil mass of the area to be dredged exceeds a second threshold value.
6. The method for managing construction of a channel based on the BIM and beidou high-precision positioning technology according to claim 1, further comprising, before the step of drawing the model of the channel using a BIM tool according to the geographical coordinates of the channel and the depth of investigation of the channel:
selecting a plurality of survey points on the channel according to the geographic coordinates of the channel, measuring the survey depth of the channel at the plurality of survey points through a multi-beam measurement system, and covering the channel by the sum of the measurement ranges of the multi-beam measurement system at the plurality of survey points.
7. Navigation channel construction management system based on BIM and big dipper high accuracy location technique, its characterized in that includes:
the channel positioning module is used for acquiring geographic coordinates of a channel to be dredged based on the Beidou system;
the model drawing module is used for drawing a model of the channel by using a BIM tool according to the geographic coordinates of the channel and the survey depth of the channel;
the center line calculation module is used for cutting a plurality of sections from the model of the channel according to preset intervals, and synthesizing the center line of the region to be dredged of the channel according to the lowest point of the sections;
the width calculation module is used for obtaining the width of the region to be dredged;
the region setting module is used for selecting the region to be dredged from the model of the channel according to the midline and the width of the region to be dredged;
the depth calculation module is used for obtaining the depth of the region to be dredged;
the earthwork calculation module calculates the earthwork of the region to be dredged according to the depth of the region to be dredged;
a ship selection module for selecting a dredging ship for performing a dredging operation on the region to be dredged according to the soil property of the region to be dredged, and selecting a sludge storage pit for storing dredged materials generated in the region to be dredged;
a ship deployment module for setting the number of dredging ships and the number of cutter-suction ships according to the earth volume of the area to be dredged, the loading capacity of the dredging ships, the maximum storage capacity of the mud storage pit, the loading capacity of the cutter-suction ship for blowing the dredged material of the mud storage pit to a preset mud receiving area, the position of the area to be dredged, the position of the mud storage pit, the position of the mud receiving area, the moving speed of the dredging ships and the moving speed of the cutter-suction ship;
and the operation implementation module is used for arranging the dredging ships and the cutter suction ships to carry out dredging operation on the to-be-dredged area according to the number of the dredging ships and the number of the cutter suction ships.
CN202311019279.3A 2023-08-14 2023-08-14 Navigation channel construction management method and system based on BIM and Beidou high-precision positioning technology Pending CN116739534A (en)

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