通过激光扫描带来安全性,生产率

Author:Anzhelika Kuznetsova

炼油厂,冶炼厂和其他植物环境是非常复杂的结构,可能会带来主要危害。任何高度复杂的植物和商店的建筑和重建都需要基于实际站点数据的详细工程,并严格对施工和安装活动进行严格的监视。

在大多数重建项目中,要安装的新结构和实用程序都连接到现有的基础架构,因此必须使用高的搭配精度。在不可用的图纸上不可用,或者施工和安装工程不符合质量标准,这是很普遍的。非常需要收集有关现有结构和实用程序的实际字段数据。

IBCON,高质量的输入数据的提供者urvey, design, and construction of brand new and rebuilding projects, has been involved in large-scale industrial projects providing IT support for the past 11 years. Today, IBCON focuses on oil refineries and smelters using Leica Geosystems technology and AVEVA software.


重新建设信任

One of IBCON projects efficiently using these technologies is the IT support for a smelter construction, the Kola Peninsula. As the customer worked on the project, it faced certain negative factors that prevented it from meeting the deadline, and led to financial losses. To rectify the situation, the contractor hired IBCON construction and rebuilding IT support services, enabling project completion in due time.

The job was to reconstruct the geometry and position of the existing structures to be built/rebuilt as fast as possible. The total area amounted to95,200 sq m. The data were presented as a number of reports for the customer. The reports indicated any deviations betweenas-designed and as-builtgeometry and position of the structures. These reports have helped the customer to make smart project decisions.

The project faced many challenges, such as:

  • Huge scope
  • Tight schedule
  • 操作设施的严格工作条件(振动,蒸汽,灰尘,有害版本)
  • Many running vehicles and operating equipment on the site (welding machines, cranes, trucks, etc.)

在这种情况下,常规的土地测量非常困难,在某些情况下只是不可能的。需要快速,高效的过程,而无需损害调查精度和高分辨率。


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Delivering results with laser scanning

The IBCON team used a Leica ScanStation laser scanner. Laser scanning technology最小化测量时间即使对于数万只需数万平方米的站点,也无法访问的区域,同时保持高精度和分辨率。

激光扫描技术不需要确切的扫描仪取向,就像常规测量一样。它可以在受限的视图条件下进行扫描和获取更多信息关于任何隐藏的结构。只有三名公司专家在IBCON进行了现场和内部激光扫描项目,从而大大节省了努力。

Leica Cyclone software用于主激光扫描数据处理。之后,它们与设施的坐标系保持一致。激光扫描被标记或点云匹配缝制。

“The software is very useful since in real life situations, target markers are often obstructed, such as when construction machinery is in operation,”IBCON测量师Sergey Mitrakov说。

Laser Scanner

平均测量误差为每100个扫描仪位置≈7毫米。随后,将扫描点云导出到构建3D模型的AVEVA E3D。在云点内确定每个对象(钢筋混凝土结构,钢铁工程,设备等),以构建3D模型的几何形状。从AS设计和AS-build文档,唯一的索引和层次结构级别分配给模型中每个3D对象的属性。

生成的扩展3D模型是客户根据客户要求生成报告的工具。由激光扫描数据构建的3D模型与项目开发人员提供的3D模型匹配。通过这种方式,在报告中很容易识别并列出安装结构与预期位置的任何偏差。

在当今广泛的建筑环境及其对站点上每种结构的迅速和质量大规模数据获取的需求中,激光扫描技术提供了对任何施工对象的完全可见性。由于数据采集率非常低,因此不能使用常规土地测量工具实施此类项目。

“Surveying with the Leica ScanStation P20 laser scanner makes site surveys easy and visualises complex structures in a simple way,”米特拉科夫说。

上述服务是在项目完成之前和调试之前作为周期进行的。IBCON的构建和重建项目IT支持服务有助于客户在每个阶段迅速做出及时的报告,以监视项目完成,并降低额外的错误整流成本。

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