CN114782005A - BIM planning and construction management method combined with oblique photography - Google Patents
BIM planning and construction management method combined with oblique photography Download PDFInfo
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- CN114782005A CN114782005A CN202210392826.1A CN202210392826A CN114782005A CN 114782005 A CN114782005 A CN 114782005A CN 202210392826 A CN202210392826 A CN 202210392826A CN 114782005 A CN114782005 A CN 114782005A
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Abstract
The invention discloses a BIM planning and construction management method combined with oblique photography, which comprises a planning stage and a construction stage. The invention relates to the technical field of construction management, in particular to a BIM planning and construction management method combined with oblique photography, which combines the oblique photography technology of an unmanned aerial vehicle into regional planning and construction, reduces the planning and designing time period, accurately controls the construction progress, and visually displays the planning and designing effect, the construction progress and the later actual effect through an oblique photography three-dimensional model.
Description
Technical Field
The invention relates to the technical field of construction management, in particular to a BIM planning and construction management method combined with oblique photography.
Background
Most of the existing area planning methods are still on the basis of plane planning design, a large amount of time is needed in the early stage of planning to actually survey the measured data and draw the current area plane drawing, and then the area planning design is carried out according to the current area plane drawing and the planning requirements. The time cycle of traditional regional planning method is long, and reconnaissance personnel in earlier stage invests in great, and the planning design can only stop on the plane, and the planning design effect in earlier stage is difficult to the show directly perceived, and the actual construction progress of later stage is also difficult to the show directly perceived with planned construction progress comparison result.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the BIM planning and construction management method combined with oblique photography provided by the scheme combines the oblique photography technology of the unmanned aerial vehicle into regional planning and construction, reduces the planning and design time period, accurately controls the construction progress, and visually displays the planning and design effect, the construction progress and the later actual effect through the oblique photography three-dimensional model.
The technical scheme adopted by the invention is as follows: the BIM planning and construction management method combining oblique photography comprises the following steps:
the method comprises the following steps: unmanned aerial vehicle field flight preparation: setting a flight range in a map in a flight system of the unmanned aerial vehicle according to the flight target range, and calculating and setting oblique photography flight parameters of the unmanned aerial vehicle according to the flight target height of flight nodes and the precision requirement of a three-dimensional model;
step two: unmanned aerial vehicle field flight shooting operation: according to flight parameters and ranges set by field preparations, the unmanned aerial vehicle flight system automatically generates a flight route; setting camera parameters on the unmanned aerial vehicle according to the weather condition of the day of flight, raising the unmanned aerial vehicle to a set height for shooting test, and performing oblique photography field flight shooting operation of the unmanned aerial vehicle after all parameters and test picture effects meet oblique photography shooting requirements;
step three: the oblique photography interior modeling specifically comprises the following steps:
(1) importing the image data into a software ContextCaptureMeter in the step two, and checking information such as image integrity, definition, coordinates, height and the like;
(2) carrying out aerial triangulation after checking no error;
(3) newly building a production project to construct a three-dimensional model, submitting aerial triangulation result data to a production task, and setting a three-dimensional model format and related parameters;
(4) refining and modifying the three-dimensional model produced in the step (3) by DP-Modker software, and regenerating a target project oblique photography three-dimensional model;
step four: leveling the oblique photography three-dimensional model, and comparing the base map landform with the planning design scheme;
step five: a planning stage, namely modeling by using a BIM technology according to a planning design plane drawing, carrying out three-dimensional visual simulation planning design scheme by combining a planning building and a landscape with a leveled oblique photography three-dimensional model, carrying out multi-scheme comparison and optimization, and making a final planning design model and drawing by using the BIM technology;
step six: in the construction stage, a construction progress plan and a construction scheme are drawn according to a construction planning design model, a drawing and a project amount list; according to node time in planned project construction, continuously repeating the first step, the second step, the third step and the fourth step to generate a target project oblique photography three-dimensional model of different time nodes as an actual construction progress three-dimensional model, selecting corresponding time in Navisvarks by using a BIM (building information modeling) technology according to the node time in planned project construction to generate a time node planned construction progress three-dimensional model, visually comparing the time node planned construction progress three-dimensional model with the time node actual construction progress three-dimensional model, visually displaying a comparison effect, and making and adjusting subsequent corresponding construction progress plans and control measures according to the comparison result;
step seven: and in the construction completion stage, performing unmanned aerial vehicle oblique photography three-dimensional modeling on the completed area again, performing three-dimensional visual comparison with the three-dimensional model before planning, and visually displaying the planning and construction results.
Further, the unmanned aerial vehicle oblique photography flight parameters comprise flight altitude, course overlapping rate and side overlapping rate. The side direction overlapping rate is preferably 60% -80%, and the heading overlapping rate is preferably 70% -85%.
The invention with the structure has the following beneficial effects: according to the scheme, the three-dimensional model can be constructed by performing oblique photography on a planning area in the early stage of planning based on the oblique photography technology of the unmanned aerial vehicle, the current situation of the area is directly known from the actual three-dimensional model, and drawing of a plane planning drawing is supported by data acquisition, so that the early-stage survey data acquisition time is reduced; after the planning design is finished, the BIM technology is applied to plan buildings, landscapes, roads and the like for solid modeling, and then the planning effect is simulated by combining the three-dimensional model of the unmanned aerial vehicle oblique photography in the early stage and is compared with the regional effect before planning in a three-dimensional visual manner; during construction, unmanned aerial vehicle oblique photography is carried out on regional construction nodes to construct a three-dimensional model, and a related city management platform is combined, so that the progress of regional planning construction completion can be visually known until the construction is completed, key structures such as planned regional buildings and landscape roads can be visually displayed on the platform, and managers are helped to make more effective construction progress management measures.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Embodiment 1, a BIM planning and construction management method combined with oblique photography includes the following steps:
the method comprises the following steps: unmanned aerial vehicle field flight prepares: setting a flight range in a map in an unmanned aerial vehicle flight system according to the flight target range, and calculating and setting inclined photographic flight parameters such as the flight height, course overlapping rate, side overlapping rate and the like of the unmanned aerial vehicle according to the flight target height of a flight node and the precision requirement of a three-dimensional model;
step two: unmanned aerial vehicle field flight shooting operation: according to flight parameters and ranges set by field preparation, the unmanned aerial vehicle flight system automatically generates a flight route; the camera parameters on the unmanned aerial vehicle are set according to the weather conditions on the day of flight, the unmanned aerial vehicle ascends to the set height to perform photographing test, and after all the parameters and the test picture effect reach the requirements of oblique photography, oblique photography of the unmanned aerial vehicle is performed for field flight photographing operation.
Step three: the oblique photography interior modeling specifically comprises the following steps:
(1) importing the image data into a software ContextCaptureMeter in the step two, and checking information such as image integrity, definition, coordinates, height and the like;
(2) carrying out aerial triangulation after checking no error;
(3) newly building a production project to construct a three-dimensional model, submitting aerial triangulation result data to a production task, and setting a three-dimensional model format and related parameters;
(4) refining and modifying the three-dimensional model produced in the step (3) by DP-Modker software, and regenerating a target project oblique photography three-dimensional model;
step four: leveling the oblique photography three-dimensional model, and comparing the base map landform with the planning design scheme;
step five: in the planning stage, modeling is carried out by using a BIM technology according to a planning and design plane drawing, a planning building and landscape are combined with a leveled oblique photography three-dimensional model, a three-dimensional visual simulation planning and design scheme is carried out, multi-scheme comparison and optimization are carried out, and a final planning and design model and drawing are made in Navisvarks by using the BIM technology;
step six: in the construction stage, a construction progress plan and a construction scheme are drawn according to a construction planning design model, a drawing and a project amount list; continuously repeating the first step, the second step and the third step according to node time in planned project construction to generate a target project oblique photography three-dimensional model of different time nodes as an actual construction progress three-dimensional model, selecting corresponding time in Navishrorks according to the node time in planned project construction to generate a time node planned construction progress three-dimensional model, carrying out visual comparison with the time node actual construction progress three-dimensional model, visually displaying a comparison effect, and making and adjusting subsequent corresponding construction progress plans and control measures according to the comparison result;
step seven: and in the construction completion stage, performing unmanned aerial vehicle oblique photography three-dimensional modeling again on the completed area, performing three-dimensional visual comparison with the three-dimensional model before planning, and visually displaying the planning and construction results.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While there have been shown and described what are at present considered to be the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A BIM planning and construction management method combined with oblique photography is characterized in that: the method comprises the following steps:
the method comprises the following steps: unmanned aerial vehicle field flight preparation: setting a flight range in a map in a flight system of the unmanned aerial vehicle according to the flight target range, and calculating and setting oblique photography flight parameters of the unmanned aerial vehicle according to the flight target height of flight nodes and the precision requirement of a three-dimensional model;
step two: unmanned aerial vehicle field flight shooting operation: according to flight parameters and ranges set by field preparations, the unmanned aerial vehicle flight system automatically generates a flight route; setting camera parameters of the unmanned aerial vehicle according to the weather condition of the flying day, enabling the unmanned aerial vehicle to ascend to a set height for photographing test, and performing tilt photography field flight photographing operation of the unmanned aerial vehicle after all parameters and test picture effects meet the requirements of tilt photography photographing;
step three: the oblique photography interior modeling specifically comprises the following steps:
(1) importing the information into a software Context Capture Center in the step two, and checking information such as image integrity, definition, coordinates, height and the like;
(2) carrying out aerial triangulation after checking no error;
(3) newly building a production project to construct a three-dimensional model, submitting aerial triangulation result data to a production task, and setting a three-dimensional model format and related parameters;
(4) refining and modifying the three-dimensional model produced in the step (3) by DP-Modker software, and regenerating a target project oblique photography three-dimensional model;
step four: after the oblique photography three-dimensional model is flattened, the flattened oblique photography three-dimensional model is used as a planning design scheme to compare with the topography of a base map;
step five: a planning stage, wherein modeling is carried out by using a BIM technology according to a planning design plane drawing, a planning building and a landscape are combined with a leveled oblique photography three-dimensional model, a three-dimensional visual simulation planning design scheme is carried out, multi-scheme comparison and optimization are carried out, and a final planning design model and drawing are made by using the BIM technology;
step six: in the construction stage, a construction progress plan and a construction scheme are drawn according to a construction planning design model, a drawing and a project amount list; according to node time in planned project construction, continuously repeating the first step, the second step, the third step and the fourth step to generate a target project oblique photography three-dimensional model of different time nodes as an actual construction progress three-dimensional model, selecting corresponding time in Navisvarks by using a BIM (building information modeling) technology according to the node time in planned project construction to generate a time node planned construction progress three-dimensional model, visually comparing the time node planned construction progress three-dimensional model with the time node actual construction progress three-dimensional model, visually displaying a comparison effect, and making and adjusting subsequent corresponding construction progress plans and control measures according to the comparison result;
step seven: and in the construction completion stage, performing unmanned aerial vehicle oblique photography three-dimensional modeling on the completed area again, performing three-dimensional visual comparison with the three-dimensional model before planning, and visually displaying the planning and construction results.
2. The BIM planning and construction management method combined with oblique photography of claim 1, wherein: the unmanned aerial vehicle oblique photography flight parameters comprise flight altitude, course overlapping rate and side overlapping rate.
3. The BIM planning and construction management method combined with oblique photography according to claim 2, wherein: the side direction overlapping rate is 60-80%.
4. The BIM planning and construction management method combined with oblique photography according to claim 2, wherein: the course overlapping rate is 70% -85%.
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| CN202210392826.1A CN114782005A (en) | 2022-04-15 | 2022-04-15 | BIM planning and construction management method combined with oblique photography |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115861548A (en) * | 2023-02-27 | 2023-03-28 | 深圳市城市交通规划设计研究中心股份有限公司 | Rail transit connection facility planning scheme display and interaction platform and method |
| CN115935489A (en) * | 2023-01-10 | 2023-04-07 | 广东省建筑设计研究院有限公司 | BIM-based urban road route selection three-dimensional comparison and selection method |
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2022
- 2022-04-15 CN CN202210392826.1A patent/CN114782005A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115935489A (en) * | 2023-01-10 | 2023-04-07 | 广东省建筑设计研究院有限公司 | BIM-based urban road route selection three-dimensional comparison and selection method |
| CN115861548A (en) * | 2023-02-27 | 2023-03-28 | 深圳市城市交通规划设计研究中心股份有限公司 | Rail transit connection facility planning scheme display and interaction platform and method |
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