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Foundations and Geotechnics Projects

a. Creation of Drilling Equipment in attempting to execute a 1300 mm diameter micro tunnel
This project arose from the need for the resolution of a specific problem in a project. It was necessary to install, without opening a ditch (process of micro tunnelling), two piping sections with a 1000mm internal diameter. We found that all micro tunnelling equipment existing in the market with capacity for these tubes dimension would need to operate from a pit of larger diameter (about 6 metres), unattainable in this case, due to the available space. This way, it was necessary to find a solution that would use a pit with 3.2 meters in diameter (available space) with a rack of 1300mm minimum external width that would operate with the same hydraulic system, while maintaining the principle for the cutting and land removal. (Sifide 2008)

b. Creation of a new Equipment: Shield Project
Creation of a new equipment by Constrotúnel that seeks the mechanisation of the traditional system of mining drilling, by use of a continuous protection metal shield and the execution of the tunnel's lining with prefabricated concrete elements inside the shield itself. (Sifide 2009)

c. Conception and Development of Equipment in the Geotechnics and Foundations Engineering sectors
The current project aims at the development of equipment, processes and procedures with the objective of generating a better performance in relation to the technological means existing in the market in the area of Geotechnics and Foundations Engineering, in simultaneous with the operational and industrial reengineering of our range of activities.

d. Development of injection products for dams' foundations treatment
Experimental development of cementitious grouts solutions to be applied specifically in dam foundations treatment (by injection). It is intended to control and minimize the risks associated (deformability/lack of resistance, establishment of hydraulic and piezometric regimes) with a poor and/or inadequate formulation and inappropriate conditions of application, promoting, consequently, the good behaviour and the stability of structures such as dams. (Sifide 2006 and 2007)

e. Polymers development in Geotechnics
Experimental development of custom made solutions for framing polymers' technical compliance, within the foundations engineering scope, by proceeding to the control, monitoring and casuistic screening of their conditions and application problems/risks, to a more comprehensive understanding of their behaviour and functioning and to the growing and more secure legitimacy of the respective art state. (Sifide 2006, 2007 and 2008)

f. Development and Optimization of the Project Area in the Geotechnics and Foundations Engineering sectors
Sustained development of methodologies and new technical-constructive solutions, in which the increased efficiency lies in handling and processing "know-how" and crossing it over with the obtained results, a triangulation between calculus engineering, the experimental observation and the ability to execute. This way, Fundasol sought to control and detect risky situations or abnormal behaviour, so as to promote/elect the calculation models and the most competent and of greater added value technical-constructive procedures. (Sifide 2006, 2007 and 2008)

g. R&D Program in the New Construction Materials Area in partnership with University of Tras-os-Montes and Alto Douro (UTAD), Mota-Engil
It seeks to dominate and develop a capacity for chemical synthesis for the conception and development of materials with a petrified and inert constitution, without the drawbacks and disadvantages of current cement-based materials which, in addition to energy and environmental problems, are also characterised by limited and insufficient durability and longevity. (Sifide 2008)



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