VSL International Ltd. | Post-tensioning | Structural engineering
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Precast advantage on Melbourne’s M80 highway |
 | Use of precast pier construction on Melbourne’s 38km M80 Ring Road Upgrade has allowed each pier to be erected in a single night shift, requiring only short, off-peak lane closures. Another major benefit is that the piers are cast indoors, unaffected by inclement weather. Work was carried out by the Tulla Sydney Alliance, consisting of VicRoads, Thiess, Parsons Brinckerhoff and Hyder. | |
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PT cables for thin eggshell |
 | The Swiss “Il Diamante de Chiasso” shopping mall features the technically impressive feat of a huge but extremely thin concrete shell. Its walls are just 100mm to 120mm thick. VSL’s post-tensioned cables are installed at the shell’s median level, to withstand the hoop forces generated by the above structure working as a vault. | |
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High-speed bridge launch in Spain |
 | CTT-Stronghold (VSL in Spain) has successfully launched a composite viaduct over the Verdugo River for Spain’s high-speed rail network. The viaduct is curved in plan with a total length of 120m and the total weight launched was 950t. It was built up on temporary steel supports and launched in two phases using the VSS 500 skidding system. | |
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