Expertise & Performance Spectrum

Performance Spectrum

The focal points of GEODATA services in the field of underground construction are described below.

We offer total solutions in all fields of geotechnical measurements and surveying, on the understanding, however, that the complexity and variety of the tasks can only be estimated, especially for highly complex building projects. In this chapter, we describe only services and products which are provided predominantly underground. The associated surface measurements are described in the chapter Monitoring measurements.

Please contact us directly, should this page not provide you with all the components you require to realise your project. We consider the solution of problems in close cooperation with the client as one of our strengths!

Network and control survey

To meet the high quality demands for underground construction, the creation of highly accurate geodetic networks is essential. GEODATA meets these requirements by using up-to-date methods and instruments. Apart from GPS measurements at the surface, this also includes gyroscopic measurements...
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Heading and construction survey

Surveying is an essential task for economical and quality excavation of underground cavities. Apart from the actual heading control necessary to maintain the required construction tolerances and an optimal excavation profile, numerous setting out tasks also form part of the job. This includes...
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Motor laser systems for cyclical heading / NATM

With cyclic tunnel driving, the required profile must be produced as accurately as possible to guarantee economical success of tunnel construction. Larger or smaller profiles are very costly due to additionally required concrete or complex re-profiling. The deployment of motorised laser...
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Machine guidance systems

Based on the motorlaser systems, GEODATA developed systems for automatic guidance of tunnel boring machines (TBM) and roadheaders. In this way, it is possible to render the heading optimal with respect to position and accuracy of the profile. The systems are complemented by displacement t...
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Profile measuring systems

Producing an excavation profile as accurately as possible is an economic necessity. There are a number of possibilities for monitoring the accuracy of the profile. These include manual measurement of single points or the measurement of many cross-sectional points at arbitrary intervals using...
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Tunnel laser scanning

The use of laser scanner systems in tunnel construction projects offers advantages and potentials for use both to owners and construction companies. Virtually spatial recording of the excavation profile enables significant cost savings through targeted quality improvement with respect to the...
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Optical 3D displacement monitoring

Ever since the manufacturers of electronic total systems introduced instruments onto the market with coaxial distance measurements and accuracies satisfying the demands of the geotechnical engineers, the optical 3D displacement measurement displaced the thus far conventional convergence...
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Geotechnical instrumentation

Geotechnical measurements constitute an integral component in the construction of underground cavities in the building industry and also in mining. Correct and up-to-date results of measurements by geotechnical instruments, shown graphically in a problem-oriented way, in combination with...
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Testing

GEODATA offers various in situ tests in this field. Our services range from borehole widening tests and measurements of drill hole directions via shotcrete tests up to load plate tests. We do not perform laboratory tests but are able to arrange contact to various institutes, if required...
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