无人机测量软件简化了在建筑工地监视土方工程的工作流程
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无人机测量软件简化了在建筑工地监视土方工程的工作流程

虚拟测量师的无人机测量软件的7.3版使监视施工站点的土方工程变得更加容易。

虚拟测量师在其流行的无人机测量软件的7.3版中介绍了新功能,以创建简化的工作流程,以监视建筑工地的土方工程的进度。生产性工作流程使施工经理能够快速计算随着时间的推移进行剪切变化,以与土方设计计划进行比较。

“无人机是监视建筑项目中污垢运动的一种廉价且准确的方法,但是调查软件缺乏使用无人机图像快速土方分析的工具 - 直到现在。”Virtual Surveyorin Belgium. “Virtual Surveyor 7.3 has streamlined the cut-and-fill mapping process to create a complete monitoring workflow.”

干净的表面模型

Virtual Surveyor software is a powerful construction monitoring tool designed to bridge the gap between Unmanned Aerial Vehicle (UAV) photogrammetric processing applications and engineering design packages. The software generates an interactive onscreen environment with drone orthophotos/DSMs and/or Lidar point clouds where the user can compare multiple drone surveys in a matter of seconds.

In the streamlined monitoring workflow, the construction manager often receives a 2D CAD file showing the planned earthworks design and converts it to a 3D surface, or TIN, in Virtual Surveyor. On a regular basis, often weekly, drone images are collected over the site and then also converted to surfaces in the software for digital comparison with the earthworks design model. Before the comparison is made, Virtual Surveyor allows for precise cleaning of the new surface map.

“Earthworks projects are strewn with bulldozers, equipment piles, excavators, and other objects that can skew the calculations of dirt volumetrics,” said Op ‘t Eyndt. “A new feature in Version 7.3 called Remove Object lets the user select and delete the extraneous item from the drone-derived surface model with a single click.”

Assessing cut (red) and fill (blue) on a construction site using drone surveying.

3D Cut-and-fill Map

一旦清洁了表面模型,虚拟测量师就可以立即将其与土方设计表面进行比较并计算体积差,该量差为3D切割图。另一个名为Spot Heights的新功能确定了与设计相对于设计的精确地形高度值,在整个项目站点的用户选择点间距上,为施工经理提供了与污垢移动相关的进度的详细信息。

“The construction manager can also extract smaller areas from the project cut-and-fill map to perform a more detailed analysis,” said Op ‘t Eyndt. “This is ideal to verify if the reported dirt removal and addition is in line with the invoiced quantities.”

Virtual Surveyor offers a variety of reporting options for showing the calculation results as colorized cut-and-fill topographic maps with overlaid Spot Heights. These progress maps can be easily created as often as new drone imagery is captured. Virtual Surveyor also enables the construction manager to output 2D design plans as 3D models for use as inputs into machine control systems on the earth-moving equipment.

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