改善首都的铁路基础设施

作者：Staff

每天都有成千上万的通勤者进入首都，伦敦的更多火车是帮助交通拥堵的加油。

作为Brighton Mainline升级计划的一部分，每小时将在早晨峰值上提供另外六列火车。随之而来的是，该计划还将在2043年再增加两次额外的火车，并在2043年再增加两列火车。绩效还将通过隔离流量来提高，并有助于该路线上的额外火车路径。

Topographical surveys are required for this complex and extremely busy piece of London’s railway infrastructure. The programme provides the ideal time to upgrade to newer, faster and more efficient solutions for data capture.

Network Rail, the government entity in charge of the programme, turned to Atkins to perform the surveys.

重大升级

阿特金斯成立于1938年，是世界上最受尊敬的设计，工程和项目管理咨询公司之一。Atkins与来自公共和私营部门的不同部门和地区以及地方和国家政府的各个部门和地区的广泛客户紧密合作，提供了长期可信赖的合作伙伴关系，以创造一个通过实施思想来丰富生活的世界。

Atkins Rail Division, based in Croydon, Surrey, United Kingdom, has been using Leica Geosystems surveying equipment for almost 20 years. The decision was made last year to replace the majority of the consultancy’s trusted but aging fleet of Leica System 1100 and 1200 total stations and to add to the firm’s existing GNSS, digital levelling and traversing equipment with the latest Leica Captivate solutions.

This major upgrade saw a broad spread of instruments:

• 1 Nova MS60多阶段
• 7 Viva TS16I成像总站bob apple
• 4 Viva GS14 GNSS智能天线
• 10个CS20控制器
• 2 Captivate CS35 tablet computers
• 2 LS15自动焦点数字水平
• 8个全遍布套件

With the new portfolio, Atkins was ready to take on the important rail project.

场地限制和挑战

为了使伦敦维多利亚和伦敦桥的其他计划路径，需要在风车桥交界处隔离流动。它将支持通过钥匙列车流的隔离路线上的绩效改进，该钥匙列车流目前会在其他相邻线路和更广泛的南伦敦网络中转移反动延迟。

为了在东克罗伊登（East Croydon）实现额外的火车停车能力，需要建造其他平台。除了安全地在Selhurst和Gloucester Road Junction之间提供12辆车的火车运营外，还需要基础设施来容纳Selhurst Spur上的12辆车火车。

As a result, feasibility options were developed to achieve these outputs. The options include:

• 风车桥交界处的等级分离，
• Selhurst Spur的延伸
• Additional track between Windmill Bridge Junction and East Croydon
• East Croydon的另外两个平台。

据确定，在East Croydon站需要工作，以安全地提供所需的乘客进入新平台，并在大厅上提供足够的增加乘客容量。

“与所有铁路地形调查一样，站点访问的局限性和铁路基础设施的性质限制了我们进行调查的方式，” Atkins Track Track Team Project Project Project Project Project Project Project Project Project Project Project Project Manage。“在该规模的项目区域尤其如此，考虑到基础设施部分可用的复杂交界处和火车路线。”

Leica Captivate solutions helping the world of rail

凭借在铁路环境中的准确性和可靠性，阿特金斯（Atkins）求助于Leica Geosystems的解决方案和技术，以避免在昂贵和时间限制性轨道拥有期间昂贵的停机时间。在这种情况下，新的Leica Captivate系列中可用的最新创新是无价的。

该项目使用了Leica Nova MS60多稳定功能广泛的功能传播，包括每秒扫描高达1,000点的能力。结合所有总站的成像功能，以及与Leica CS20控制器和CS35平板电脑的互操作性，这使Atkbob appleins能够以最快和最有效的方式捕获所有必要的细节。

The same controllers and Captivate software were used with the GNSS Smart Antennae to establish control quickly and accurately using HxGN SmartNet correction service. Alongside the Captivate software, the latest Leica LS15 digital level with imaging and auto focus were used, allowing for a faster, more accurate staff reading in harsh conditions. The instruments were also used in conjunction with track trollies and alongside Leica Geosystems laser scanning solutions.

提供和开发项目设计人员的地形调查数据和选定的点云提供了合理的铁路基础设施设计，该设计将增加南伦敦铁路网络已经包装的部分的容量。最终，这将使历史轨道对齐，使其适合于2020年及以后的铁路扩展。

The project and the data provided to it will lead to providing a better railway experience for the growing customer base and will be used to support economic growth of the surrounding areas.

向伦敦的铁路基础设施提供地形调查

对于阿特金斯来说，Leica Geosystems Solutions为该项目带来了许多好处。

“采用莱卡吸引软件技术,we can provide Network Rail with fast and accurate data realisation, avoid costly returns, and save them time and effort, whilst also reducing their risks,” said Groboljsek. “By using a combination of Leica Geosystems solutions, data was collected safely, accurately, efficiently and, above all, within limited time during track access possessions. Reduction in time spent on the track reduced site-based risks and lessened risk of injury to Atkins personnel. Also, there was a reduced risk to Network Rail property and infrastructure.”

使用来自HXGN SmartNet的后处理和实时RTK数据，使用快速准确的Leica Viva GS14 GNSS智能天线建立了初级和次要控制。该服务还用于通过直接在现场保证3D GNSS数据的质量来提高效率。

With intuitive and understandable software in the field and in the office, Captivate allowed instant 3D visualisation of the survey data collected on the railway site, providing a detailed understanding of the project requirements.

The Leica ScanStation P40 laser scanner also offered a fast scan rate with less noise and clearer scans along with streamlined workflows from the field to office and back via easy automated processing with Leica Cyclone laser scanning software. This was then all quickly and easily communicated to all staff and to the client using Leica TruView.

完成后，Brighton Mainline升级计划是第一个在项目生命周期中更早使用地形调查的研究之一。结合Leica Caintivate Solutions，铁路项目的交付顺利进行，使设计团队和测量师可以根据即时反馈主动管理和传输决策。