Smart surveying pole

In construction works, surveying (topography) is a fundamental component, as it forms the basis for the geometric definition of any project. In this context, it should be noted that the process of measuring topographic variables currently involves a high degree of manual input, and any inaccuracy in the placement of the surveying pole can result in significant errors in the recorded measurements.

For this reason, the present project has developed a Smart Surveying Pole, that is, a pole capable of automatically identifying its correct leveling and determining its true height, thereby facilitating and speeding up the measurement of topographic points while minimizing measurement errors.

Furthermore, given that the BIM working methodology has been mandatory in Spain since 2018 for construction project execution, and that the integration of topographic information into the overall project model is still not widely implemented, this project also develops a collaborative work architecture. This system enables the integration of all project-related data into a global model, covering the entire process of topographic work within the construction sector.

 

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Objective

The final objective of the instrument is to facilitate and streamline the measurement of topographic points, minimizing human error in data acquisition, which is currently performed entirely manually.

The operation of the smart surveying pole is essentially based on the following principle: once the pole is correctly leveled, it automatically sends a signal to the total station, which then records the topographic data defining the measured point with high precision. Correct leveling of the pole is therefore an essential condition for sending the signal to the total station and recording each specific measurement.

Regarding the technologies used, its operation is based on a combination of optical and electronic systems, selected according to their topographic range, as well as requirements for weight, stability, and robustness. In addition, it will be interoperable with the total station, and connections will be established to integrate the collected geometric data (capture and management) into BIM software.

A prototype developed is shown below.

A schematic is presented below:

 

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