建造北方的威尼斯

案例分析

作者:Karina Lumholt

瑞典首都斯德哥尔摩面对波罗的海,在梅拉伦湖的14个岛屿上建造。市中心旧城区的Gamla Stan是欧洲保存完好的中世纪城市之一。运河上的许多水道和桥是斯德哥尔摩的特征 - 通常称为在水上的美丽或简单北部威尼斯

该地区面临重大挑战,改善基础设施的需求变得越来越紧迫。每年约有30,000人搬到首都,相当于每天两辆公共汽车,斯德哥尔摩目前是欧洲发展最快的大都市地区之一。首都的运输系统是脆弱的,因为只有一个南北的联系贯穿了这个具有巨大的文化和自然遗产的城市。


Going underground to bypass Stockholm’s traffic bottlenecks



The Stockholm Bypass project, or Förbifarten, is a new21公里的高速公路越过瑞典首都,这是瑞典有史以来最大的基础设施项目的一部分。这个27亿欧元项目的计划于2006年开始,初步建设于2014年开始,计划于2026年开放。

Great precautions have been taken to protect the landscape and surroundings that lie above the ground surface. To protect Stockholm’s valuable nature and historic sites, it has been decided to build approximately通过隧道总计21公里的18公里。在Mälaren湖下,建筑将有一个深度65 metres below水体。80%的人将通过拥塞费用和政府资助为20%的费用,但总体公用事业价值被计算出来是从由此产生的经济发展和减少的旅行时间中支付的。估计每天通过145,000辆车,通过城市的旅程将减少到15分钟。

从南部的小动物库尔瓦开始,在北部的哈格维克结束,一旦斯德哥尔摩旁路项目完成,它将是仅次于东京山门隧道的城市地区的世界第二大隧道。


在小库尔瓦的建筑物



Leica Geosystems的长期客户,Skanska Sverige AB, has won the 12.6-million-Euro contract for building the south entrance to the tunnel, connecting it to the E20 motorway at Kungens Kurva, the largest shopping area in Scandinavia and the busiest highway in Sweden. This high-profile project has a strong focus on security and is obliged to not slow down the traffic more than necessary.

Pontus Holmberg在Kurva担任Skanska Sverige的首席测量师。霍尔姆伯格(Holmberg)正在管理现场测量师和主要由不同承包商的钻机,挖掘机和黑道组成的现场车队,其中许多配备了Leica Geosystems的机器控制解决方案。霍姆伯格与之合作Leica Conx将模型文件传输到机器和现场工作的现场工作人员。

“当与此类网站上的不同承包商合作时,所有人都必须使用最新的更新文件,这一点很重要。”霍姆伯格解释说。“Leica ConX helps me to track the machines from the office and transfer files to the machine in real time so everybody is on the same page.”

在该站点上工作的Epiroc Smartroc T35钻机配备了3D机器控制解决方案,该解决方案是由Leica Geosystems量身定制的Epiroc Smartrocand interfaces with Epiroc’s HNS sensor system.

The drill rig follows a digitally-defined pattern to drill holes into the rock for blasting. Traffic is stopped on the two highways that go around the job site, and blasting of the rocky underground is performed every day at either 10 A.M. or 2 P.M. The blasting is done under a carpet of old truck tires that are sewn together to avoid rocks falling onto the two roads.

“Two wheel loaders are standing ready at each side to clear the roads if rocks unintentionally fall on the highways making sure that the roads are blocked for a period of time as short as possible,”explains Dana Matti, project manager at Skanska Sverige.


保持联系



公司所有者Nicklas GustafssonGranskogensGräv, is one of the contractors working on site for one and a half years. Gustafsson uses the newLeica MCP80machine control panel on site and he is content with the improvement.“较大的屏幕更容易阅读,并且按钮得到改进,因此这是一个很大的优势,”says Gustafsson.

Gustafsson explains that it has been a difficult underground with rocks and high ground water level, and when building in the one of the busiest urban areas in Sweden it is important to have reliable technical solutions that minimise downtime.

“ Leica GeoSystems的解决方案可帮助我们与站点办公室保持联系,并确保我们有一个灵活的数据流以支持工作网站上的工作流程I have worked with the machine control solution from Leica Geosystems on my Liebherr 926 Compact excavator for four years,” Gustafsson explains. “I am online onConX在一天的大部分时间里,并直接从面板上接收我的参考文件。”

Leica Geosystems的解决方案是在该大项目中构建互换,隧道和临时港口的多个阶段的关键。机器控制解决方案,总站,棱镜和左侧地理系统的扫描仪是在亚博5分钟快三此规模上快速有效地构建项目所需的众多产品中的一些。亚搏彩票手机版下载

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