CN111695783A - Overseas construction safety information network system based on Beidou - Google Patents

Overseas construction safety information network system based on Beidou Download PDF

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CN111695783A
CN111695783A CN202010429561.9A CN202010429561A CN111695783A CN 111695783 A CN111695783 A CN 111695783A CN 202010429561 A CN202010429561 A CN 202010429561A CN 111695783 A CN111695783 A CN 111695783A
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beidou
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CN111695783B (en
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刘声树
梁宇钒
霍新
李志强
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China Road and Bridge Corp
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Abstract

The invention discloses an overseas construction safety information network system based on Beidou, which comprises: the system comprises a plurality of acquisition units, a plurality of control units and a control unit, wherein the acquisition units are used for acquiring geological data of a construction site and three-dimensional point cloud data of the construction site; the model unit is used for constructing a three-dimensional model diagram of the tunnel and the construction site; a data processing unit for constructing a comprehensive three-dimensional map and predicting a comprehensive three-dimensional map of a next construction stage; the monitoring unit is used for setting monitoring network points according to geological data, a three-dimensional model of a construction site and a three-dimensional model diagram of a tunnel, forming and updating a monitoring network, binding the monitoring network in a comprehensive three-dimensional diagram and setting a plurality of monitoring devices; the risk prediction unit is used for screening safety risk network points and presetting an alarm rule and an alarm mode; and the early warning unit is used for monitoring the three-dimensional coordinates of the constructors in real time and triggering a preset warning mode to give a warning according to a warning rule. The method has the advantages of accurately predicting the safety risk network points according to the construction progress and reducing the construction risk.

Description

Overseas construction safety information network system based on Beidou
Technical Field
The invention relates to the technical field of overseas construction safety. More specifically, the invention relates to an overseas construction safety information network system based on Beidou.
Background
The construction of tunnels can be involved in the construction of roads, bridges and subways, the tunnels are projects with higher risks and complex technologies, and due to objective and complex unfavorable geological conditions or subjective unsafe behaviors of constructors, particularly in the construction process, due to the change of geological conditions caused by construction, engineering accidents are more easily caused, and the safety of construction, the prolongation of the construction period and the cost consumption are seriously damaged. In order to improve the construction safety, a construction safety information network system is designed, the construction progress can be updated in time, the safety risk change caused by the construction progress is collected, and early warning is given in time according to the change of the safety risk, so that the value is researched.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide an overseas construction safety information network system based on the Beidou, which can update the construction progress in time, collect the safety risk change caused by the construction progress, accurately predict the safety risk and give early warning in time so as to reduce the construction risk.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an overseas construction safety information network system based on beidou, including:
the system comprises a plurality of acquisition units, a plurality of control units and a control unit, wherein the acquisition units are used for acquiring geological data of a construction site in real time and acquiring three-dimensional point cloud data of the construction site in real time;
the model unit is used for constructing a three-dimensional model map of the pre-constructed tunnel and constructing a three-dimensional model map of the construction site according to the three-dimensional point cloud data of the construction site;
the data processing unit is used for updating a three-dimensional model map of the tunnel, geological data of the current construction site and a three-dimensional model map of the construction site according to the tunnel construction progress of each construction stage, summarizing the updated three-dimensional model map of the tunnel, the updated geological data of the construction site and the updated three-dimensional model map of the construction site into a comprehensive three-dimensional map under unified three-dimensional coordinates, and predicting a comprehensive three-dimensional map of the next construction stage according to the comprehensive three-dimensional maps of a plurality of construction stages which are constructed;
the monitoring unit is used for setting monitoring network points according to geological data of a plurality of constructed construction stages and the comprehensive three-dimensional graph to form a monitoring network, binding the monitoring network in the comprehensive three-dimensional graph and displaying a three-dimensional coordinate value; the monitoring unit is also used for updating a monitoring network according to the predicted comprehensive three-dimensional map of the next construction stage, and setting a plurality of monitoring devices according to the updated monitoring network, wherein the monitoring devices are internally provided with a Beidou communication module and a positioning module;
the risk prediction unit is used for screening safety risk network points from the updated monitoring network and presetting an alarm rule and an alarm mode for corresponding monitoring equipment;
and the early warning unit is used for monitoring the three-dimensional coordinates of the constructors in real time and triggering a preset warning mode to give a warning according to a warning rule.
Preferably, the laser radar is adopted to collect three-dimensional point cloud data of the construction site.
Preferably, the data processing unit extracts image features of each layer of geology in geological data before and after construction and geological properties corresponding to the image features, and analyzes and obtains geological change rules caused by tunnel construction.
Preferably, the geological properties include formation properties and groundwater volume distribution.
Preferably, the risk prediction unit predicts the safety risk point according to a geological change rule caused by tunnel construction.
Preferably, the risk prediction unit presets a risk threshold value, and a safety risk network point is obtained through screening.
Preferably, the plurality of monitoring devices include a harmful gas concentration detection device, a formation pressure detection device, a tunnel surrounding rock extrusion force detection device and a water amount detection device.
Preferably, the early warning rule includes that when the distance between the three-dimensional coordinate of the early warning unit and the safety risk network point is smaller than a safety threshold, a corresponding warning mode is triggered.
Preferably, the alert mode includes vibration and simultaneously plays a voice according to a preset voice content.
The invention at least comprises the following beneficial effects:
firstly, the construction progress is updated in time, the safety risk change caused by the construction progress is collected, the safety risk is accurately predicted, and early warning is given out in time so as to reduce the construction risk.
And secondly, after one stage of tunnel construction is completed, matching and updating the actual three-dimensional coordinates of the constructed tunnel into the originally designed three-dimensional model diagram of the tunnel, updating the geological data due to the change of the geological data caused by the tunnel construction of the section, updating the three-dimensional model diagram of the construction site due to the change of the construction site, unifying the three types of data under the same three-dimensional coordinates, establishing the internal relation between the three types of data, particularly the change incidence relation between the tunnel construction and the geological data, and providing a data prediction basis for the geological data change caused by the tunnel construction in the follow-up process.
Thirdly, the monitoring unit analyzes potential construction danger categories possibly caused during the construction of the tunnel in the next step, construction positions where dangers corresponding to the danger categories possibly occur and conditions causing the dangers according to geological data, a three-dimensional model of a construction site and a three-dimensional model diagram of the tunnel, so that all monitoring sites are formed according to all analysis data, monitoring networks are formed according to arrangement positions of all the monitoring sites, corresponding monitoring equipment is arranged at proper positions, and in order to enable the monitored data to be accurately and timely subjected to data interaction with the monitoring networks and the data processing list and avoid interference of overseas potential force, a Beidou communication system and a positioning system are adopted for communication and positioning, so that the safety of constructors can be better guaranteed; and secondly, the data can be better protected from being stolen by external force.
Fourthly, because the construction site is usually noisy, only when voice is played, the constructor cannot hear easily, and by adopting a mode of combining vibration and voice, the vibration can more easily draw the attention of the constructor, and then can concentrate on listening to the voice content.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
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Fig. 1 is a block diagram of the system according to one embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments so that those skilled in the art can practice the invention with reference to the accompanying description.
The invention provides an overseas construction safety information network system based on Beidou, which comprises:
the system comprises a plurality of acquisition units, a plurality of control units and a control unit, wherein the acquisition units are used for acquiring geological data of a construction site in real time and acquiring three-dimensional point cloud data of the construction site in real time; along with the construction in tunnel, because tunnel construction is to the massif etc. from middle excavation, can influence near the tunnel even the geological morphology of whole massif changes to need know the geological morphology in real time, obtain latent construction risk for the analysis and provide the data basis, thereby promote construction factor of safety, geological data mainly includes stratum distribution data and groundwater distribution data.
The model unit is used for constructing a three-dimensional model map of the pre-constructed tunnel and constructing a three-dimensional model map of the construction site according to the three-dimensional point cloud data of the construction site; and converting the designed tunnel into a three-dimensional model diagram with three-dimensional coordinate values according to the construction plan so as to be accurately matched with the construction position. The three-dimensional model map of the construction site mainly detects three-dimensional point cloud data through a radar, and then generates a three-dimensional model map matched with an actual construction site, so that constructors can watch and know the three-dimensional model map more intuitively.
The data processing unit is used for updating a three-dimensional model map of the tunnel, geological data of the current construction site and a three-dimensional model map of the construction site according to the tunnel construction progress of each construction stage, summarizing the updated three-dimensional model map of the tunnel, the updated geological data of the construction site and the updated three-dimensional model map of the construction site into a comprehensive three-dimensional map under unified three-dimensional coordinates, and predicting a comprehensive three-dimensional map of the next construction stage according to the comprehensive three-dimensional maps of a plurality of construction stages which are constructed; after tunnel construction in one stage is completed, the actual three-dimensional coordinates of the constructed tunnel are matched and updated to the originally designed three-dimensional model diagram of the tunnel, geological data are updated due to geological data change caused by the tunnel construction in the stage, the three-dimensional model diagram of the construction site is updated due to the change of the construction site, the three types of data are collected to the same three-dimensional coordinates in a unified mode, the internal relation among the three types of data is established, particularly the change incidence relation between the tunnel construction and the geological data, and a data prediction basis is provided for the geological data change caused by the tunnel construction in the follow-up tunnel construction.
The monitoring unit is used for setting monitoring network points according to geological data of a plurality of constructed construction stages and the comprehensive three-dimensional graph to form a monitoring network, binding the monitoring network in the comprehensive three-dimensional graph and displaying a three-dimensional coordinate value; the monitoring unit is also used for updating a monitoring network according to the predicted comprehensive three-dimensional map of the next construction stage, and setting a plurality of monitoring devices according to the updated monitoring network, wherein the monitoring devices are internally provided with a Beidou communication module and a positioning module; the monitoring unit analyzes potential construction danger categories possibly caused during tunnel construction in the next step, construction positions where dangers corresponding to the danger categories are likely to occur and conditions causing the dangers according to geological data, a three-dimensional model of a construction site and a three-dimensional model diagram of the tunnel, so that all monitoring sites are formed according to all analysis data, monitoring networks are formed according to arrangement positions of all the monitoring sites, corresponding monitoring equipment is arranged at proper positions, and in order to enable the monitored data to be accurately and timely subjected to data interaction with the monitoring networks and a data processing list and avoid interference of external force, a Beidou communication system and a positioning system are adopted for communication and positioning, so that firstly, the safety of constructors can be better guaranteed; and secondly, the data can be better protected from being stolen by external force.
The risk prediction unit is used for screening safety risk network points from the updated monitoring network and presetting an alarm rule and an alarm mode for corresponding monitoring equipment; screening out to the characteristics that relate to constructor safety monitoring site to each type of risk sets up corresponding warning rule and alarm mode, for example blasting type risk, when constructor when predetermineeing the position excavation blasting site, can arouse corresponding monitoring facilities with the pronunciation warning mode, remind constructor blasting site's excavation main points, or the injury that the blasting site is inaccurate can cause. For example, during the surrounding rock construction, when constructor corresponds the construction in the default position, can promote the monitoring facilities who corresponds with the pronunciation warning mode, remind constructor this section position surrounding rock's the construction thickness, or when concrete intensity need reach how much, just can begin to get into the construction of next step, etc..
And the early warning unit is used for monitoring the three-dimensional coordinates of the constructors in real time and triggering a preset warning mode to give a warning according to a warning rule. Can be at constructor's the internal chip of installing of cap, the integration has communication and positioner on the chip, and, can be according to the setting to the procedure in the chip, write into different procedures to the constructor's of different work categories chip, for example blasting personnel, can write into when constructor (chip) and monitoring facilities's distance is less than a certain threshold value in the chip, the promotion is reported to the police, and the alarm mode is for example for the foretell excavation main points of reminding constructor blasting site, or the injury that the blasting site is inaccurate can cause.
In the technical scheme, geological data of the construction site and a three-dimensional model map of the construction site are updated every time a construction stage is completed, actual three-dimensional coordinates of a constructed tunnel are matched and updated to the originally designed three-dimensional model map of the tunnel and are collected into a comprehensive three-dimensional map under unified three-dimensional coordinates, comprehensive three-dimensional maps of a plurality of construction stages are obtained, internal relations among the three can be established according to the comprehensive three-dimensional maps, particularly the relation of change association between tunnel construction and the geological data, and a data prediction basis is provided for geological data change caused by tunnel construction in the subsequent tunnel construction. And then, potential construction danger types possibly caused during the construction of the tunnel in the next step, construction positions where dangers corresponding to the danger types are possibly caused and conditions causing the dangers are obtained through analysis of the monitoring unit, so that all monitoring network points are formed according to all the analysis data, a monitoring network is formed by all the monitoring network points according to the arrangement positions, and corresponding monitoring equipment is arranged at a proper position. And finally, screening out safety monitoring network points related to constructors through a risk prediction unit, setting targeted alarm rules and alarm modes for the characteristics of each type of risk, and matching with an early warning unit to form a construction safety information network, so that the aims of strong early warning pertinence, high accuracy and safe and reliable information data interaction are fulfilled.
In another technical scheme, a laser radar is adopted to collect three-dimensional point cloud data of a construction site in real time. The laser radar has the advantages that the laser radar can detect long-distance targets in the daytime and at night, is not blocked by fog, cloud and rain, has the characteristics of all weather and all day long, and has certain penetrating power. Ground-targeted radars can detect the precise shape of the ground. The spatial resolution can reach several meters to dozens of meters, and is independent of the distance.
In another technical scheme, the data processing unit extracts image characteristics of each layer of geology in geological data before and after construction and geological properties corresponding to the image characteristics, and analyzes to obtain geological change rules caused by tunnel construction. In a certain construction area, the geological texture and the proportion of each geological soil layer are basically unchanged, and the largest change caused by construction is the geological shape, so that the geological shape change caused by acquisition and analysis construction, namely the image characteristics and the corresponding geological properties can accurately reflect the geological change, and unnecessary acquisition of other mass data can be reduced, thereby reducing the operation workload and providing the operation speed.
In another aspect, the geological properties include formation properties and groundwater volume distribution. When the geological shape is changed, the geological layers are changed, such as stratum bending, stratum dislocation, stratum fracture and the like, the changes can cause underground water distribution at the bending part, the dislocation part, the fracture part and the periphery, and tunnel construction is most afraid of sudden and large inflow of underground water, so that casualties and damage of the constructed tunnel are easily caused, and therefore, attention is paid to underground water distribution, and safety risks are reduced.
In another technical scheme, the risk prediction unit predicts a safety risk point according to geological change rules caused by tunnel construction. Safety risks caused by geological changes are highlighted, safety risk points are set, prediction is carried out according to the previous change rules, and prediction accuracy can be improved.
In another technical scheme, the risk prediction unit presets a risk threshold value, and a safety risk network point is obtained through screening. There are all kinds of risks in the tunnel construction, can not all get rid of outside all risks, and the risk degree of all kinds of risks in each construction stage is also different moreover, consequently, to every section construction stage, through setting up the risk threshold value can more accurate match the more outstanding risk early warning in every constructor stage, improve the risk and take precautions against the precision.
In another technical scheme, the multiple monitoring devices comprise harmful gas concentration detection devices, formation pressure detection devices, tunnel surrounding rock extrusion force detection devices and water quantity detection devices. The detection equipment is arranged at the risk position of the construction site, so that real-time data of each risk position at the current stage can be provided for the safety information network system.
In another technical scheme, the early warning rule includes that when the distance between the three-dimensional coordinate of the early warning unit and the safety risk network point is smaller than a safety threshold value, a corresponding warning mode is triggered. Because tunnel construction is located the stratum inside, most actual risk position hide in the stratum inside, and the naked eye can't directly see, consequently adopts three-dimensional coordinate location distance to trigger the warning more accurate.
In another technical scheme, the alarm mode comprises vibration and voice playing according to preset voice content. Because the construction site is usually high in noise, only when voice is played, constructors cannot hear easily, vibration can attract the attention of the constructors more easily by adopting a mode of combining vibration and voice, and then the constructors can concentrate on listening to voice content.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable to various fields of endeavor for which the invention may be embodied with additional modifications as would be readily apparent to those skilled in the art, and the invention is therefore not limited to the details given herein and to the arrangements shown and described without departing from the generic concept as defined by the claims and their equivalents.

Claims (9)

1. Oversea construction safety information network system based on big dipper, its characterized in that includes:
the system comprises a plurality of acquisition units, a plurality of control units and a plurality of control units, wherein the acquisition units are used for acquiring geological data of a construction site in real time and acquiring three-dimensional point cloud data of the construction site in real time;
the model unit is used for constructing a three-dimensional model map of the pre-constructed tunnel and constructing a three-dimensional model map of the construction site according to the three-dimensional point cloud data of the construction site;
the data processing unit is used for updating a three-dimensional model map of the tunnel, geological data of the current construction site and a three-dimensional model map of the construction site according to the tunnel construction progress of each construction stage, summarizing the updated three-dimensional model map of the tunnel, the updated geological data of the construction site and the updated three-dimensional model map of the construction site into a comprehensive three-dimensional map under unified three-dimensional coordinates, and predicting a comprehensive three-dimensional map of the next construction stage according to the comprehensive three-dimensional maps of a plurality of construction stages which are constructed;
the monitoring unit is used for setting monitoring network points according to geological data of a plurality of constructed construction stages and the comprehensive three-dimensional graph to form a monitoring network, binding the monitoring network in the comprehensive three-dimensional graph and displaying a three-dimensional coordinate value; the monitoring unit is also used for updating a monitoring network according to the predicted comprehensive three-dimensional map of the next construction stage, and setting a plurality of monitoring devices according to the updated monitoring network, wherein the monitoring devices are internally provided with a Beidou communication module and a positioning module;
the risk prediction unit is used for screening safety risk network points from the updated monitoring network and presetting an alarm rule and an alarm mode for corresponding monitoring equipment;
and the early warning unit is used for monitoring the three-dimensional coordinates of the constructors in real time and triggering a preset warning mode to give a warning according to a warning rule.
2. The Beidou based offshore construction safety information network system of claim 1, wherein lidar is used to collect three-dimensional point cloud data of the construction site.
3. The Beidou-based oversea construction safety information network system as set forth in claim 1, wherein the data processing unit extracts image characteristics of each layer of geology in geological data before and after construction and geological properties corresponding to the image characteristics, and analyzes to obtain geological change rules caused by tunnel construction.
4. The Beidou-based overseas construction safety information network system of claim 3, wherein the geological properties include formation properties and groundwater volume distribution.
5. The Beidou-based oversea construction safety information network system as set forth in claim 3, wherein the risk prediction unit predicts the safety risk points according to geological change rules caused by tunnel construction.
6. The Beidou-based oversea construction safety information network system as set forth in claim 5, wherein the risk prediction unit presets a risk threshold value and screens to obtain a safety risk network point.
7. The Beidou-based oversea construction safety information network system according to claim 1, wherein the plurality of monitoring devices comprise harmful gas concentration detection devices, formation pressure detection devices, tunnel surrounding rock extrusion force detection devices and water amount detection devices.
8. The Beidou-based overseas construction safety information network system according to claim 1, wherein the early warning rules comprise that when the distance between the three-dimensional coordinates of the early warning units and the safety risk network points is smaller than a safety threshold value, corresponding warning modes are triggered.
9. The Beidou-based overseas construction safety information network system according to claim 1, wherein the alarm mode includes vibration and simultaneously plays voice according to preset voice contents.
CN202010429561.9A 2020-05-20 2020-05-20 Beidou-based construction safety information network system Active CN111695783B (en)

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CN106224007A (en) * 2016-08-26 2016-12-14 招商局重庆交通科研设计院有限公司 Safety for tunnel engineering monitoring and warning management system
CN106897813A (en) * 2017-01-13 2017-06-27 同济大学 A kind of large shield tunnel intelligent management system based on BIM and AI
CN107944204A (en) * 2018-01-16 2018-04-20 广西大学 Mountain tunnel Construction Risk Assessment method based on CAE finite element models
CN110927821A (en) * 2019-12-31 2020-03-27 广西路桥工程集团有限公司 BIM + GIS-based advanced geological forecast information system for tunnel construction

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