Post-tensioning of Structures

In 1932 Eugene Freyssinet developed the first theory of post-tensioned concrete. The development of this technology has made it possible to advance in structures of greater length, greater slenderness and with a better optimisation of resources. The use of the technique of post-tensioning steel in concrete began in the first half of the 20th century, […]

Building Waterproofing

In the building sector there are many technical systems commonly used to guarantee the waterproofing of roofs, terraces, balconies, garages and basements. The ORION Group offers its clients a wide range of possibilities, ranging from traditional waterproofing systems using asphalt sheets to the most modern systems based on continuous polyurethane or polyurethane membranes. Waterproofing of […]

Work on the Lilla tunnel

Work on the Valls-Montblanc bypass of the A-27 dual carriageway in the province of Tarragona is nearing completion. The A-27 will be a high-capacity alternative route to the N-240 between Tarragona and Montblanc, where it will link up with the AP-2. The new section of dual carriageway starts near the town of Masmolets, in the […]