Building the Venice of the North

Author:Karina Lumholt

Facing the Baltic Sea to the East, the Swedish capital of Stockholm is built on 14 islands in Lake Mälaren. Gamla Stan in the old town of the city centre is one of the best preserved medieval cities in Europe. The many waterways and bridges over the canals are characteristic features of Stockholm – often referred to as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-kilometre highway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，建筑将有一个深度下方有65米the water body. 80 per cent will be financed by a congestion charge and 20 per cent by government funding, but the overall utility value is calculated to be paid back from the resulting economic development and reduced travelling time. With an estimated passing of 145,000 vehicles per day, the journey time through the city is calculated to be reduced to 15 minutes.

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。

Building at Kungens Kurva

Leica Geosystems的长期客户，Skanska Sverige AB,赢得了12.6耗费上百万欧元的合同ing 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。”Holmberg explains.“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.”

The Epiroc SmartRoc T35 driller working on the site is equipped with a3D machine control solution that is tailor-made for Epiroc SmartRoc by Leica Geosystemsand 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，是现场工作一年半的承包商之一。古斯塔夫森使用新的Leica MCP80现场机器控制面板，他对改进感到满意。“The larger screen is easier to read, and the buttons are improved, so that is a great advantage,”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.

“解决方案从徕卡呈规则帮助我们保持connected with the site office and make sure that we have a flexible dataflow to support the workflows on the job site。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bob apple此规模上快速有效地构建项目所需的众多产品中的一些。bob综合app下载