JP2021157532A - Construction work management system and construction work management method - Google Patents

Abstract

To provide a construction work management system and construction work management method that more efficiently and surely manage work progress at a construction site.SOLUTION: In a construction work management system for managing work progress at a construction site, a point group data acquisition section 120 acquires three-dimensional point group data of the construction site acquired by a laser scanner 18. A data comparison section 122 compares the three-dimensional point group data with predetermined reference data. A work progress estimation section 124 estimates a work progress state at the construction site on the basis of a comparison result by the data comparison section 122. The reference data is, for example, three-dimensional point group data acquired last time.SELECTED DRAWING: Figure 2

Description

The present invention relates to a construction work management system and a construction work management method for managing work progress at a construction site.

Conventionally, a technique for acquiring point cloud data at a construction site using a laser scanner or the like and managing the work progress at the construction site has been developed.
For example, Patent Document 1 below is a technique related to a construction management system for construction work, in which an image capturing unit acquires three-dimensional coordinates of the surface of a construction member from a stereo camera as three-dimensional point group data, and a storage unit stores the data. The design three-dimensional coordinates of the surface of the construction member are stored, and the processing unit sets the surfaces A and B facing each other across the three-dimensional area including the three-dimensional coordinates stored in the storage unit. Then, the processing unit determines whether or not the construction member is installed based on the amount of three-dimensional point cloud data existing in the region between the surfaces A and B.

JP-A-2015-232203

Various work is carried out every day at the construction site, and it is important to manage the work progress in order to prevent delays in the construction period and work mistakes. On the other hand, the larger the construction object, the more complicated the management of the work progress, and there is a problem that the burden on the work manager is heavy.
The present invention has been made in view of such circumstances, and an object of the present invention is to manage work progress at a construction site more efficiently and reliably.

In order to achieve the above object, the construction work management system according to the present invention is a construction work management system that manages the work progress at the construction site, and obtains the three-dimensional point cloud data of the construction site acquired by the laser scanner. Work to estimate the work progress state at the construction site based on the point cloud data acquisition unit to be acquired, the data comparison unit that compares the three-dimensional point cloud data with the predetermined reference data, and the comparison result by the data comparison unit. It is characterized by having a progress estimation unit.
The construction work management method according to the present invention is a construction work management method for managing work progress at a construction site, and includes a point cloud data acquisition step of acquiring three-dimensional point cloud data of the construction site by a laser scanner, and the above three. It is characterized by including a data comparison step of comparing the dimensional point cloud data with a predetermined reference data, and a work progress estimation step of estimating the work progress at the construction site based on the comparison result in the data comparison step. And.

According to the present invention, it is possible to more efficiently and surely manage the work progress at the construction site.

It is a figure which shows the outline structure of the construction work management system which concerns on embodiment. It is a block diagram which shows the functional structure of a construction work management system. It is a figure which shows the flow of work progress management in Embodiment 1. FIG. It is a figure which shows the flow of work progress management in Embodiment 2. FIG. It is a figure which shows the flow of work progress management in Embodiment 3. FIG. It is a figure which shows the flow of work progress management in Embodiment 4. FIG.

Hereinafter, preferred embodiments of the construction work management system and the construction work management method according to the present invention will be described in detail with reference to the accompanying drawings.

(Embodiment 1)
FIG. 1 is a diagram showing an outline configuration of a construction work management system according to an embodiment.
The construction work management system 10 manages the work progress at the construction site. The construction site may be a construction site such as a building, an apartment, or a warehouse, or a civil engineering construction site such as a dam, a bridge, or a tunnel.
The construction work management system 10 includes a computer 12 that functions as a work progress management device, an automatic patrol mobile body 14 (14A, 14B), and a portable information processing terminal 16 (16A, 16B).

The computer 12 includes a CPU, a ROM for storing and storing a control program, a RAM as an operating area for the control program, an EEPROM for rewritably holding various data, an interface unit for interfacing with peripheral circuits, and the like. Will be done.
The computer 12 may be installed near the construction site, for example, in the management building of the construction site, or in a place away from the construction site, such as a business establishment of a business operator who undertakes construction work or a data center operated by a cloud business operator. It may be installed in.
Although the computer 12 is shown as a desktop personal computer in FIG. 1, it may be a notebook personal computer, a tablet terminal, or the like as in the portable information processing terminal 16 described later.

The automatic patrol mobile body 14 (14A, 14B) is equipped with a laser scanner 18 and automatically patrols the construction site. For example, the automatic patrol moving body 14 has a patrol route that patrols the construction site, and the laser scanner 18 is used at a predetermined scanning point while confirming the current position by a beacon or GPS installed in the construction site. Scan the surroundings and acquire point cloud data in the construction site.

In FIG. 1, a drone 14A and a trolley robot 14B are illustrated as an example of the automatic patrol mobile body 14, but various conventionally known devices are used as the automatic patrol mobile body 14 as long as they are devices that can move autonomously. be able to. For example, the drone 14A may be used at a construction site where aerial work is frequently performed (or a place where aerial work is performed at a construction site), and a trolley robot 14B may be used at other sites.

The laser scanner 18 (three-dimensional laser scanner) irradiates the object to be measured with a laser radially, and the three-dimensional coordinates of the surface shape of the object to be measured based on the distance to the object to be measured and the irradiation angle obtained from the reflection time of the laser. To get. Although it depends on the performance of the laser scanner 18, it is possible to obtain high-density and surface point cloud data by measuring by non-contact at a speed of about tens of thousands of points per second.
Further, an image is taken at the measurement point by the camera built in the laser scanner 18, and the point group data is colored according to the color of the image and the reflection intensity of the laser (the degree of reflection of the laser that changes depending on the material and color of the measurement target). You can also do it.
In addition, even on the back side of a measurement target or a wide area where measurement cannot be performed from one place, it is possible to combine a plurality of scan data with a target as a common point and to coordinate coordinates.

In the present embodiment, the automatic patrol moving body 14 automatically patrols the construction site and acquires point group data of each part of the construction site. However, the present invention is not limited to this, and for example, a worker at the construction site uses the laser scanner 18. You may carry it around the construction site, perform scanning work at a predetermined point, and acquire point group data of each part of the construction site.
Further, instead of automatically patrolling the drone 14A and the trolley robot 14B, the patrolling and scanning operations may be performed by remote control.

The portable information processing terminal 16 is a small information processing terminal carried by a worker at a construction site, a work manager, an employee of a business operator who undertakes construction work, and the like. The portable information processing terminal 16 is provided with a display 160, and can display and output various information described later. Further, the portable information processing terminal 16 has a speaker (not shown), a vibration function, and the like, and can sound an alert according to an instruction from the computer 12.

In the present embodiment, the portable information processing terminal 16 means an information processing terminal different from the computer 12 that functions as a work progress management device, and is not necessarily portable. For example, in FIG. 1, a tablet terminal 16A and a notebook computer 16B are illustrated as an example of the portable information processing terminal 16, but a desktop personal computer installed at a place different from the computer 12 is used as an example of the portable information processing terminal 16. You may perform the function.

FIG. 2 is a block diagram showing a functional configuration of a construction work management system, and particularly shows a functional configuration of a computer 12.
When the CPU executes the control program, the computer 12 functions as a point cloud data acquisition unit 120, a data comparison unit 122, a work progress estimation unit 124, a work progress location display unit 126, and a work management unit 128.
Further, the reference data D is stored in the EEPROM which is the storage area (storage) of the computer 12. The storage location of the reference data D is not limited to the inside of the computer 12, and may be an external storage or the like accessible to the computer 12.
Further, in the storage area of the computer 12, three-dimensional point cloud data, work schedule data, work progress data, etc., which will be described later, are stored.

The point cloud data acquisition unit 120 acquires the three-dimensional point cloud data of the construction site acquired by the laser scanner 18. In the present embodiment, the point cloud data acquisition unit 120 reads out the three-dimensional point cloud data acquired by the laser scanner 18 during the automatic patrol of the automatic patrol moving body 14 from the memory of the laser scanner 18, or from the laser scanner 18. By transmitting, the 3D point cloud data of the construction site is acquired. The acquired three-dimensional point cloud data is stored in the storage area of the computer 12 and used for various processes described below.

The data comparison unit 122 compares the three-dimensional point cloud data acquired by the point cloud data acquisition unit 120 with the predetermined reference data D.
In the present embodiment, the reference data D is the previously acquired three-dimensional point cloud data. The "three-dimensional point cloud data acquired last time" will be described. The automatic patrol moving body 14 automatically patrols at predetermined intervals during the work period at the construction site, and acquires three-dimensional point cloud data with the laser scanner 18 each time. The predetermined period may be, for example, once a day or once a week. For example, when acquiring 3D point cloud data once a day, the data comparison unit 122 compares the 3D point cloud data acquired today with the 3D point cloud data (reference data) acquired yesterday. .. Further, for example, when acquiring 3D point cloud data once a week, the data comparison unit 122 transfers the 3D point cloud data acquired this week and the 3D point cloud data (reference data) acquired last week. compare.

The work progress estimation unit 124 estimates the work progress at the construction site based on the comparison result by the data comparison unit 122. In the present embodiment, since the reference data D is the three-dimensional point cloud data acquired last time, the work progress estimation unit 124 includes the three-dimensional point cloud data acquired last time and the three-dimensional point cloud data acquired this time. The difference between is extracted as the work progress part from the previous time to this time.
More specifically, the work progress estimation unit 124 compares the three-dimensional point cloud data corresponding to the same area on the construction site, and makes a difference depending on whether or not there is a corresponding partner's point within a certain distance (threshold value). The point cloud that becomes is detected. This difference corresponds to a part that has changed due to the work performed since the previous acquisition of the three-dimensional point cloud data, that is, a work progress part.
In addition, as a place where a difference occurs, for example, in addition to a place where a new member is added (for example, when an inner wall is added in the floor), for example, a place where a member is removed (for example, work using a work scaffolding) (When the scaffolding is completed and the scaffolding is removed, etc.) and the parts where the members have been changed.

The work progress location display unit 126 displays the work progress location extracted by the work progress estimation unit 124 so as to be identifiable on the three-dimensional point cloud data displayed on the display or on the image of the construction site. The display is the display 160 of the portable information processing terminal 16 or the display 12A of the computer 12 (see FIG. 1).
For example, when displaying the point cloud data on the display, the point cloud corresponding to the difference from the previously acquired point cloud data among the point cloud data acquired this time is displayed in a different color from the other point clouds, so that the work progress location. Can be identified.
Further, for example, when displaying image data (image data taken by a camera at the time of acquiring point cloud data) on a display, marking work progress points in the image data (for example, displaying a line segment indicating the outline of the work progress points). ) Makes it possible to identify the work progress point.
The display mode by the work progress location display unit 126 is not limited to the above, and may be any mode as long as the worker or the like can specify the work progress location.

Workers and work managers at construction sites can grasp the work progress points compared to the previous time by checking the display on the display. In addition, the state of the construction site and the progress of work can be checked one by one even at a location away from the construction site.
Further, the point cloud data and the image stored in the storage area can be appropriately displayed on the display according to the instruction of the worker or the like. At this time, for example, it is possible to display the progress of each floor of the building or the management section in different colors, or to specify an arbitrary date and check the work progress retroactively.

The work management unit 128 manages the work progress at the construction site.
The work management unit 128 receives input from, for example, a work manager at a construction site (or may be a worker or an employee of a business operator who undertakes construction work) the date of the day and the details of the work performed, and performs the work. Record as progress data. The work manager can input the work to be performed while referring to the work progress part displayed by the work progress part display unit 126, and confirms that the work has been surely performed without going around directly. can do. In addition, the work status can be confirmed retroactively, and traceability at the construction site can be improved.

FIG. 3 is a diagram showing a flow of work progress management in the first embodiment.
First, the automatic patrol moving body 14 patrols the construction site, scans the surroundings with the laser scanner 18, and acquires the point cloud data in the construction site (S300). As described above, this step is not an automatic patrol, but a worker or the like may patrol the construction site with the laser scanner 18.
Next, the point cloud data acquisition unit 120 of the computer 12 (work progress management device) reads the point cloud data acquired by the laser scanner 18, and the point cloud data (hereinafter referred to as "this scan data") and images at the time of this scan. Data is acquired (step S302: point cloud data acquisition step).
After that, noise is removed from the point cloud data as needed (step S304). The noise removal may be performed automatically by the application of the computer 12 or may be performed manually by the operator.

Next, the data comparison unit 122 compares the current scan data with the point cloud data at the time of the previous scan (hereinafter referred to as "previous scan data") (step S306: data comparison step), and the work progress estimation unit 124 has a difference. Is extracted as the work progress part (step S307: work progress part extraction step).
Then, the work progress portion display unit 126 displays the scan data this time or the image taken at the time of this scan on the display, and marks and displays the work progress portion so that the work progress portion can be identified (step S308: work progress). Location display process).
The work manager confirms the work progress portion displayed on the display (step S310), and inputs the work content (step S312).
The work management unit 128 stores the work content input from the work manager in the work progress data together with the date, and updates the work progress data (step S314).

As described above, according to the construction work management system 10 according to the first embodiment, the work progress state at the construction site is estimated using the three-dimensional point cloud data of the construction site, so that the worker or the like can visually inspect the work progress. Compared to checking the work progress status, it is advantageous in reducing the burden on workers and the like, and it is also advantageous in grasping the work progress at the construction site more reliably. Further, since the work progress status is recorded as three-dimensional point cloud data, the work status of the construction site can be left as objective data, which is advantageous in improving the traceability of the construction site.
In addition, by using the previously acquired 3D point cloud data as the reference data as in the present embodiment, the work progress points from the previous scan to the current scan can be specified, and the daily work progress can be managed in more detail. It will be advantageous in doing so.
Further, if the work progress portion is identifiable on the display as in the present embodiment, it is advantageous in grasping the work progress status of the construction site in more detail.
Further, if the three-dimensional point cloud data is acquired by the automatic patrol moving body 14 as in the present embodiment, the burden on the workers and the like is increased as compared with the case where the workers and the like patrol the construction site and perform scanning. It is advantageous in reducing and improving the efficiency of construction work.

(Embodiment 2)
In the first embodiment, the work management unit 128 stores the work progress input from the worker as work progress data.
In the second embodiment, the function of the work management unit 128 is further strengthened, the work progress at the construction site is compared with the work schedule at the predetermined construction site, and the required construction period until the work reaches a predetermined stage is determined. It shall be estimated. The predetermined stage can be arbitrarily defined, for example, "a stage where all the work at the construction site is completed", "a stage where the work on a specific floor of a building having multiple floors is completed", and the like.

Regarding the configuration of the construction work management system in the second embodiment, the same points as those in the first embodiment will be omitted.

In the second embodiment, the work management unit 128 can refer to the work schedule data. The work schedule data includes the date and the work contents scheduled to be performed on that day. The work schedule data is created in advance by, for example, a business operator who undertakes construction work. When creating work schedule data, for example, the standard yield for each work and the number of workers scheduled to be engaged in the work are referred to.

Upon receiving the input of the work progress data (see step S312 in FIG. 3), the work management unit 128 compares the work progress data with the work schedule data.
If there is no difference between the work schedule data and the work progress data, that is, if the work is progressing as planned, the work management unit 128 estimates that the required work period is up to the completion date of the work on the work schedule data. do.
Also, if there is a difference between the work schedule data and the work progress data, that is, if the work progress is slower or faster than the schedule, for example, by adding the number of days required for the remaining work to the current date. Estimate the required construction period. At this time, for example, the standard work rate may be compared with the number of days actually taken for the work, and if the same work is scheduled to be carried out in the future, the construction period may be estimated based on the number of days actually taken for the work.

FIG. 4 is a diagram showing a flow of work progress management in the second embodiment.
Since steps S400 to S414 are the same as the flow of the first embodiment described with reference to FIG. 3, the description thereof will be omitted.
After step S414, the work management unit 128 compares the updated work progress data (latest work progress data) with the work schedule data, and estimates the required construction period (step 416).
When the required construction period is notified by the work management unit 128 (step S418), the work manager confirms the required construction period, and if it is as planned (or the error is within the permissible range), confirms it as it is and ends the flow. (Step S420). If the error in the required construction period is out of the permissible range, the work manager considers changing the work schedule (step S420), and if the work schedule is changed, the work schedule data on the work management device side is used. Reflect the change (step S422).

As described above, in the second embodiment, the required construction period until the work is completed is estimated based on the point cloud data of the construction site and the predetermined work schedule. As a result, the work schedule can be reviewed as appropriate during the work, and the efficiency at the construction site can be improved.
Specifically, for example, it can be used for early detection of construction delays, for example, for examining the number of additional personnel required to recover from delays, and as evidence for price negotiations with contractors for construction work. ..

(Embodiment 3)
In the first and second embodiments, the previous scan data (point cloud data) was used as the reference data.
In the third embodiment, the three-dimensional design data of the construction object is used as the reference data. In this embodiment, a case where a BIM (Building Information Modeling) model is used as the three-dimensional design data will be described.
BIM utilizes a building database in each phase of construction work, in which attribute data such as cost, finish, and management information are added to a digital model of a three-dimensional building created on a computer. The BIM model is a collection of objects, and building material parts can include not only dimensions such as width, depth, and height, but also materials and assembly process (time). In the present embodiment, by using the BIM model as the reference data, the work procedure at the construction site can be included in the reference data.

Regarding the configuration of the construction work management system in the third embodiment, the same points as those in the first and second embodiments will be omitted.

In the third embodiment, the data comparison unit 122 compares the three-dimensional point cloud data acquired by the point cloud data acquisition unit 120 with the BIM model (three-dimensional design data of the construction object).
The 3D point cloud data may include objects that are not included in the BIM model, such as construction equipment used for work, temporary handrails, scaffolding, and temporary storage materials. The point cloud corresponding to these objects is removed by, for example, a noise removal process (step S504 in FIG. 5 or the like). In addition, the coordinate systems (origin, scale, direction) of the point cloud data and the BIM model are matched in advance.

The work progress estimation unit 124 extracts the difference between the BIM model and the three-dimensional point cloud data. Since the BIM model includes all the members constituting the construction object, there are members corresponding to each point even when compared with the three-dimensional point cloud data during the construction. For example, when the point cloud data obtained by scanning the wall with the core material exposed is compared with the BIM model, the position of the core material scanned as the point cloud and the position of the core material on the BIM model are substantially the same. Therefore, the work progress estimation unit 124 compares the 3D point cloud data corresponding to the same area on the construction site with the BIM model, and sets a certain distance (threshold) from the position corresponding to each point of the 3D point cloud data. Determine if there is a member whose surface is located within.

If there is no difference between the 3D point cloud data and the BIM model, it can be estimated that the work is proceeding as designed.
On the other hand, if there is a difference between the BIM model and the 3D point cloud data, there is a possibility that the work has not progressed as designed. Possible causes in this case are, for example, work mistakes (wrong member mounting position, member model number, etc.), BIM model mistakes (wrong design structure, member specification, etc.), and system mistakes (for example, 3D). The coordinates of the point cloud data and the BIM model are out of alignment, etc.). For example, the work manager or the creator of the BIM model identifies the cause of the error.

The work progress location display unit 126 can identify the location where the difference is extracted by the work progress estimation unit 124 on the three-dimensional point cloud data displayed on the display, on the BIM model, or on the image taken at the time of this scan. It functions as a difference part display unit to be displayed.
Specifically, a model (line segment) based on the 3D point cloud data is displayed on the BIM model, and the point cloud where there is a difference on the 3D point cloud data is displayed in a different color from other point clouds. To do.
By displaying the points where there is a difference in an identifiable manner in this way, it is possible to support the work manager, the creator of the BIM model, or the like to identify the cause of the error.

FIG. 5 is a diagram showing a flow of work progress management in the third embodiment.
Since steps S500 to S504 are the same as the flow of the first embodiment described with reference to FIG. 3, the description thereof will be omitted.
After step S504, the data comparison unit 122 compares the scan data with the BIM model this time (step S506: data comparison step), and the work progress estimation unit 124 extracts the difference between the scan data this time and the BIM model (work). Progress estimation process). If there is no difference (step S508: No), this flow ends as it is.
On the other hand, if there is a difference (for example, when the member existing on the point cloud data is not on the BIM model) (step S508: Yes), the work manager or the like is notified to that effect (step S510). At this time, the difference location display unit displays the scan data BIM model of this time or the image taken at the time of this scan on the display, and displays the location where the difference is detected so as to be identifiable.
The work manager or the like confirms the difference portion displayed on the display and identifies the cause of the difference (step S512). After that, the person in charge responds according to the identified cause. For example, when there is a change in the BIM model, the change is reflected in the BIM model stored in the work management device (step S514).

As described above, in the third embodiment, the BIM model (three-dimensional design data of the construction object) is used as the reference data, and the difference between the BIM model and the three-dimensional point cloud data is extracted. Therefore, it is advantageous in confirming whether the work at the construction site is proceeding as designed.
Further, by displaying the difference between the BIM model and the three-dimensional point cloud data in an identifiable manner on the display, it is advantageous in grasping the work progress status of the construction site in more detail.

(Embodiment 4)
The fourth embodiment describes a case where the construction period is managed at the construction site by using the three-dimensional point cloud data and the BIM model.
Regarding the configuration of the construction work management system in the fourth embodiment, the same points as those in the first to third embodiments will be omitted.

In the fourth embodiment, the work management unit 128 compares the work progress schedule at the construction site included in the BIM model with the three-dimensional point cloud data, and estimates the deviation between the work progress schedule and the actual work progress. As described above, the BIM model can also include a process (time) for assembling each building material part. Therefore, by setting the date (work schedule information) at which the installation work is performed for each part of the BIM model, it is possible to grasp the work progress schedule as of each work date, and this work progress schedule and 3D point cloud data. By comparing with the actual work progress indicated by, it is possible to detect a work delay, an error in the work order, and the like.

Specifically, for example, the work progress estimation unit 124 classifies each member model (each member constituting the construction object) constituting the BIM model into the following three states.
1. 1. Not started: Point cloud data does not exist in the existence range of the part of interest.
2. Completion: The error between the shape of the part of interest and the shape of the point cloud data of the relevant part is within a predetermined range.
3. 3. Work in process: The error between the shape of the part of interest and the shape of the point cloud data of the relevant part is not within the predetermined range, but the point cloud data exists in the existence range of the part of interest.

The work management unit 128 determines whether the member scheduled to be installed (or the member scheduled to start the installation work) is in the completed (or work-in-progress) state by the time of acquiring the point cloud data (at the time of scanning this time). If all the members scheduled to be installed by the time of this scan are completed or in the process of being installed, it is estimated that the work is proceeding as planned. On the other hand, if there is a member that has not been started yet among the members that are scheduled to be installed by the time of this scan, it is estimated that the work is delayed.

FIG. 6 is a diagram showing a flow of work progress management in the fourth embodiment.
Since steps S600 to S604 are the same as the flow of the first embodiment described with reference to FIG. 3, the description thereof will be omitted.
After step S604, the data comparison unit 122 compares the scan data with the BIM model this time, and the work progress estimation unit 124 sets the states of the member models constituting the BIM model to "not started", "completed", and ". It is classified into one of "work in process" (step S606).
The work management unit 128 compares the work schedule information of each member model with the classification result of step S606, and estimates the deviation between the actual work progress and the work schedule (step S608). That is, if the member scheduled to be installed is completed or in the process of being installed by the time of this scan, it is estimated that the work related to the member is proceeding as planned. In addition, if there is a member that has not been started yet among the members scheduled to be installed by the time of this scan, it is estimated that the work related to the member is delayed.

The work management unit 128 notifies the work manager and the like of the estimation result of the deviation between the actual work progress and the work schedule (step S610). At this time, the difference location display unit may display the scan data BIM model of this time or the image taken at the time of this scan on the display, and may display the location where the deviation is detected so as to be identifiable.
The work manager or the like confirms the deviation between the notified actual work progress and the work schedule, and if it is as planned (or the deviation is within the allowable range), confirms it as it is and ends the flow. In addition, if the deviation is out of the permissible range, the work manager or the like considers changing the work schedule (step S612), and if the work schedule is changed, the work progress schedule included in the BIM model is also changed. Is reflected (step S614).

As described above, in the fourth embodiment, the deviation of the construction period is estimated based on the point cloud data of the construction site and the work progress schedule included in the BIM model. As a result, the work schedule can be reviewed as appropriate during the work, and an error in the work order can be detected at an early stage, and the work efficiency at the construction site can be improved.

10 Construction work management system 12 Computer (work progress management device)
120 Point cloud data acquisition unit 122 Data comparison unit 124 Work progress estimation unit 126 Work progress location display unit 128 Work management unit 14 Automatic patrol mobile 16 Portable information processing terminal 18 Laser scanner

Claims (9)

A construction work management system that manages the progress of work at a construction site.
A point cloud data acquisition unit that acquires 3D point cloud data of the construction site acquired by a laser scanner, and a point cloud data acquisition unit.
A data comparison unit that compares the three-dimensional point cloud data with a predetermined reference data,
A work progress estimation unit that estimates the work progress status at the construction site based on the comparison result by the data comparison unit, and a work progress estimation unit.
A construction work management system characterized by being equipped with. The reference data is the three-dimensional point cloud data acquired last time, and is
The work progress estimation unit extracts the difference between the previously acquired three-dimensional point cloud data and the currently acquired three-dimensional point cloud data as the work progress points from the previous time to the present time.
The construction work management system according to claim 1, wherein the construction work management system is characterized in that. The work progress location display unit further includes a work progress location display unit that displays the work progress location extracted by the work progress estimation unit in an identifiable manner on the three-dimensional point cloud data displayed on the display or on the image of the construction site.
2. The construction work management system according to claim 2. It further includes a work management unit that compares the work progress at the construction site with the predetermined work schedule at the construction site and estimates the required construction period until the work reaches a predetermined stage.
The construction work management system according to claim 2 or 3, wherein the construction work management system is characterized in that. The reference data is three-dimensional design data of a construction object at the construction site.
The work progress estimation unit extracts the difference between the three-dimensional design data and the three-dimensional point cloud data.
The construction work management system according to claim 1, wherein the construction work management system is characterized in that. The work progress estimation unit further includes a difference location display unit that identifiablely displays the location where the difference is extracted on the three-dimensional point cloud data or the three-dimensional design data displayed on the display.
The construction work management system according to claim 5, wherein the construction work management system is characterized in that. A work management unit that compares the work progress schedule at the construction site included in the three-dimensional design data with the three-dimensional point cloud data and estimates the deviation between the work progress schedule and the actual work progress is further provided.
The construction work management system according to claim 5 or 6, wherein the construction work management system is characterized in that. The construction work management system according to any one of claims 1 to 7, wherein the laser scanner is mounted and an automatic patrol moving body that automatically patrols the construction site is further provided. It is a construction work management method that manages the work progress at the construction site.
The point cloud data acquisition process for acquiring the three-dimensional point cloud data of the construction site acquired by the laser scanner, and
A data comparison step of comparing the three-dimensional point cloud data with a predetermined reference data, and
A work progress estimation process that estimates the work progress at the construction site based on the comparison result in the data comparison process, and a work progress estimation process.
A construction work management method characterized by including.

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