Ensuring a smooth flow through a canal

德国’s busy Kiel Canal has been used as an international shipping lane for more than 100 years. Linking the North Sea to the Baltic, the canal enables ships not only to save a distance of roughly 280 nautical miles but also to avoid the potentially dangerous storm ridden conditions of Denmark’s northern Jutland Peninsula - the coastal gale winds and increasingly difficult tidal changes of the Skagerak between Denmark and Norway.

经过一个世纪的交通繁忙，德国运输部，建筑和城市开发部决定在水道和航运当局（WSABrunsbüttel）的锁上进行现代化并进行安全改进。基尔运河是世界上旅行最多的人造水道之一，许多国家在很大程度上依靠运河来实现其行业和企业的经济。在这个七年的建设项目中关闭基尔运河将是不可想象的，因为运河是将德国港口连接到波罗的海的生命线和门。因此，需要在现有的基础架构中添加第五个水槽室。在2020年预期完成的情况下，该第五腔将在进行旧锁的翻新工程时处理运输流量。

Analysing the rise and fall of the tide
The Kiel Canal not only functions as a shipping lane but also neutralises the effects of the North Sea’s tide fluctuations and the water level of the locks that continuously fluctuates, rising and sinking roughly 3 metres over the course of six hours as the tides change. The Brunsbüttel lock system also provides important coastal protection from the Baltic Sea’s notorious water level differences that occur due to gale winds and storm flooding from the sea.

The WSA Brunsbüttel has numerous water sensors that continuously collect water level data to foresee any possible water-related difficulties for the locks’ infrastructure and the canal’s surrounding area, supplying vast amounts of back-analysis. A geodetic monitoring system is also onsite and continuously collects massive amounts of data. Further review of the data dictated the need for a programme that could read and combine sensor in-formation into the data processing software.

在开始施工之前，必须评估这个巨大项目的稳定性。新的基础设施提出了要求的技术和后勤挑战，需要考虑到这一点。第五个水槽室完成后，将长度约350m，宽度为45m，水下延伸的锁块在海拔14m以下的锁门上延伸。该腔室将建在大小锁之间的水槽岛中，并需要清除大约160万立方米的粘土土壤。为了在施工开始之前，必须在Brunsbüttel进行三个月监视现有的锁定系统，以分析结构的稳定性。项目开始后，将监控七年的建筑工地直到完成为止。

监视movements during construction
Kirchner Engineering Consultants GmbH was contracted to monitor the movements of the structure during construction. A key requirement for WSA was to incorporate data col-lected from existing water sensors scattered throughout the lock structure at Brunsbüttel and to easily integrate this information into the automatic, real-time geodetic monitoring analysis.

Allsat GmbH是一家专门使用高精度总站的寻求地仪式的公司，并一直从Brunsbüttel收集地球数据，已由Kirchner签约。bob apple该项目需要最好的偏差测量值，而Allsat使用的Geomos Monitor软件可提供+/- 2 mm的最高精度。

在收集和分析了三个月的新数据和以前的数据之后，可以开始建造会议厅。在施工期间，对于任何标准偏差（2毫米），建筑物旁边的腔室墙将连续监测3次，以及从每个测量点的位置和高度超过15毫米的变形活性。

The data collected for existing chambers gates and walls used four Leica Geosystems Nova TM50 total stations set up on pillars throughout the lock infrastructure and also used Leica Geosystems special monitoring prisms.

安装由Allsat完成，他们使用Leica Geomos软件进行数据支持和可视化。带有GPRS数据调制解调器的通信框也被安装在使用移动服务提供商传输数据的测量支柱之上。bob apple天气元件保护器也确保了总站。

必要是所有发明的母亲
Due to the special demands required by WSA, Leica Geosystems added a new format editor to its GeoMoS software. This new editor could automatically process data from one or multiple sources, such as sensors, data loggers, files or databases. With this editor addition, Intelligent Open Interface was enabled, allowing the integration of any Comma Separated Value (CSV) file. After a one-time content configuration, the GeoMos CSV-module could automatically process any new raw data content from the water sensors on the tidal range water levels surrounding the locks. Each data field, separated by a semi-colon within the CSV file, received certain configuration parameters, such as time format, identifier, observation, unit and location. With this information, any CSV file could be processed in pre-defined time intervals. In this case, the raw data of the water levels were combined with the coordinates of the geodetic monitoring system. With the virtual sensor editor, the system could process the deformations corrected by the tide influence to become a complete monitoring analysis.

With this new file formatting editor, the monitoring software became highly flexible and able to read any software interface. Sensor data available via the Internet could be quickly integrated into real-time analyses. All changes to the canal’s water levels could be taken into account when analysing the geodetic measurements for deformation tolerance levels. The software also processed this data into easily understood visualisations that could be customised to the level and need of those responsible receiving the information.

如果任何数据测量值都超过集合最大变形限，则在该测量周期完成后立即进行了SEC-键测量。如果第二个数据测量仍然超过了最大允许的限制，则立即通过一条电子邮件自动发送的电子邮件通知了Kirchner负责的人员，以便他们可以采取必要的措施。