激光扫描在墨尔本最大的铁路项目中留下了印记

Author: Tamara Stakic, Marketing Manager - Leica Geosystems, Australasia

Auspat Land Survey Australia（AUSPAT）对为大型多面基础设施项目提供服务并不陌生。澳大利亚工程和基础设施公司已聘请为澳大利亚一些最大，最重要的基础设施项目提供调查解决方案 - 从悉尼的M7到墨尔本的埃斯特林克，布里斯班的网关重复，最近是阿德莱德的超级路等等Melbourne’s Metro Tunnel and Westgate Tunnel projects.

为了在该国最大的基础设施项目上提供测量和空间解决方案，AUSPAT认识到数字和空间技术创新会增加对客户的价值，提高质量并提高项目交付的生产率。利用最新技术使Auspat可以为其客户提供最佳的质量数据和服务。

奠定基础

自1970年代建造的城市循环以来，Metro Tunnel项目是澳大利亚墨尔本最大的铁路项目。它涉及建造双九公里的铁路隧道和从墨尔本北部到CBD以南的域区的五个地下车站。

Auspat has been engaged on the project since 2018 and have been involved throughout many phases - from diaphragm wall (D-Wall) construction (Arden Station), excavation and early groundworks (station boxes and portals), tunnel entrance excavation, and station construction (Arden and Anzac stations).

The team initially deployed theLeica TS16 Total StationandNova MS50 MultiStationto get the control network in place at station box sites and the portals. The goal was to set up a primary network of survey control for these sites. A reliable and accurate control network is imperative to the team at Auspat and using the Leica Geosystems total stations they successfully performed traverses around the sites.

The MS50 MultiStations were also used at Arden to scan and monitor the bulk earthworks, to calculate daily volumes and ensure station box excavation was carried out to design.

Seeing is believing

When commencing structural work and verification of design, theLeica ScanStation P40调查级激光扫描仪已部署。扫描仪P40扫描仪允许团队捕获网站的快速扫描，轻松注册扫描Leica Cyclone REGISTER(point cloud registration office software) and export the data for use inLeica Cyclone 3DR, to extract line work and surfaces.

Cyclone 3DR was also used for 3D meshing of the Arden station walls and internal structures to assess potential deviations from design using point cloud data and heat maps.

“我们的客户重视视觉热图，3D数据可交付成果和3D模型，因为它易于理解，并且在视觉上有助于确定和显示复杂环境中的潜在偏差。此外，点云数据非常准确，这种质量使团队在奥斯帕特（Auspat）提供了额外的信心，可以将完美的数据传递给客户。这种可视化使我们的客户可以轻松地将建筑结构与设计进行比较，并确定必须解决的任何偏差。另一个好处是，我们可以以多种格式导出扫描，我们的客户和设计师都使用大多数CAD包装。” Auspat高级测量师Mal Friel说。

A useful application of the ScanStation P40 laser scanner has been the ease and speed at which we can collect data in areas that would be challenging and time consuming using traditional method.

“这些只是我们可以向客户提供的其他一些增值。一旦他们看到了扫描仪可以产生的细节水平，这对他们来说是一个简单的决定。在三分钟的扫描中，我们可以准确地提供他们在简短甚至其他我们最初没有捕获的数据中所需的内容。这节省了团队多个站点访问。”弗里尔解释说。

向前扫描

采用激光扫描技术不仅帮助Auspat with deliverables but also helped them to meet project deadlines. Scanning technology allowed Auspat to complete their scans within five to 10 minutes per setup, with only one person needed to operate the scanner and without disrupting other project teams on site.

Auspat have been proud owners of the ScanStation P40 for over 12 months and haven’t looked back. With the addition of a scanner in their fleet, Auspat has expanded into additional services as well as being able to add value to their clients. With the ScanStation P40 scanner Auspat can now scan large areas and extract features or create a 3D DTM far quicker and with a higher level of detail than traditional feature surveys.

Having the capability to scan has allowed us to carry out surveys in complex environments such as rail corridors and freeways without the need for track or lane closures, providing considerable efficiencies to clients.

扫描技术的采用使Auspat提高了效率，反过来，他们能够通过咨询和设计机构进行更多功能调查工作。

“More and more projects are asking for point clouds and clients are highly impressed with the data they are receiving, which greatly increases the likelihood of their repeat business.” said Friel.

The ScanStation P40 won over Auspat due to the familiar interface and easy adoption for the team. Programmes such as the “Resection” and “Traverse” functions on the scanner allowed us to have increased confidence in our data.

This meant that with the support and hands-on training from Leica Geosystems Australia distributorC.R. Kennedyand Sam Hesper, Scanning Specialist, the team at Auspat were able to get their scanning projects up and running quickly with confidence that support was just a phone call away.

我们问MAL，他是否对自己的同龄人或其他考虑采用扫描技术的公司有任何建议。“花时间理解客户的简要介绍，并专注于对他们最重要的事情。不要将客户与不必要的数据相混淆，而是提出解决简介的最有益和有用的可交付。”

What’s next for Auspat?

“We have already seen an increased demand for our scanning and drone services from the likes of precast yards, to verify bridge beams and check moulds, to large civil infrastructure projects asking us to capture aerial images and bulk earthwork volumes.

‘We want to continue exploring geospatial technology and expanding our capabilities. Having Leica and C.R Kennedy as partners gives us access to the latest advances in both hardware and software.

This ensures we will be able to keep offering our clients cutting edge solutions to their survey requirements,” said Friel.